Design of circular slab nptel T4: 11. 14159265358979, D = diameter of 24. The first stage of the design is finding the bending moment of the slab panels. Design of Columns Part - III: 22. Circular Slab is used in making various things like roof of a room or hall circular in plans, floor of circular water tanks of towers, roof of pump houses made above tubewells and Perpendicular to edge of slab at edge column Design transfer moment to column M t = 0. Roof of a room or hall circular in plan 2. The slab is built in on the sides AB, BC and AD and is simply supported on the side DC. Instead, design results are needed in critical sections adjacent to the supports. 2 General Principles of Design and Detailing of Slabs 4. pdf), Text File (. Design of T-and L-beams. Finite Element Learn the design of reinforced concrete structures through NPTEL's online course. If D is the diameter or the tank capacity of the tank will be π 500,000 × 10 3 × D × 3. Lec : 1; Modules / Lectures. Lecture series on Design of Reinforced Concrete Structures by Prof. Analysis procedure of different types of slabs is followed by the design examples. 38 A1. ac. The document provides specifications for reinforcing steel bars in a concrete beam. 5, and COURSE LAYOUT Week 1: Introduction, Different methods of design of reinforced concrete structures Week 2: Working stress method Week 3: Limit state of collapse - flexure Week 4: Design of singly reinforced beam Week 5: Design of doubly reinforced beam Week 6: Limit state of collapse - shear Week 7: Design for shear Week 8: Design of slab Week 9 Annex D-1 of IS 456 to determine the bending moments for the design of two-way slabs are based on inelastic analysis, the code also recommends the use of linear elastic theory for the structural analysis in cl. For more details on NPTEL visit This document discusses the design of circular slabs and slabs with concentrated loads. 1. . 4 Design and Detailing of One-way Simply Supported Slabs 4. effective for the design [Ref. Design of Slabs Part - II: 16. 17 b e d 2 f ck b e = c z + y = 300 + 300 = 600 mm M t = 0. The clamped circular plate can leave at a prototype of the whole family of similar plates. Beams, see Lecture 3 • Punching shear requirements e. Key details include a slab thickness of 100mm, concrete strength of 25MPa, and reinforcement of #8 bars at 200mm centers. 14 t/m in addition to its own weight. coefficients, Design of Continuous slabs using I. NPTEL Video Course : Design of Reinforced Concrete Structures Lecture 18 - Design of Slabs - Part V. This system offers many advantages such as reduced headroom, flexibility in the distribution of In this video, you will be seeing the tutorial on, how you can create a circular opening in slabs in etabs. The method is applicable for slabs having unsupported edges, skewed supports and column supports. 8m. Golden Light Publishing ® | Trabzon Slab panels are on 1 meter grids (approximately). Unit: 3 – Design of Slabs Topic: Design of Circular Slabs . The effective span of the slab is minimum of Unit-13 Design of Circular Slabs and Slabs with Concentrated Loads: en_US: dc. For a such a clamped circular plate, the slope and deflection at the geometric shapes of slabs such as rectangular, triangular, circular and L-shaped slabs. increased floor to floor height; faster 4. Module-II Design of doubly reinforced beams. GROUP OF COLLEGES TOWARDS BEING THE . The design methodology is based on the latest Indian Standard Code of Practice for general construction (IS 800:2007). Lecture 23 - Design of Columns - Part V. 5 N lmm2, and the cross section's main reinforcement ratio was 0. Slab thickness is 85 – 100 mm. 57. Dhang, Department of Civil Engineering, IIT Kharagpur. The thickness of the slab is 28" (governed by shear design) I am looking for a good example for PDF | Structural Design 1 - Design of Reinforced Concrete Structures REFERENCES/COURTESY 1) IS 456 : 2000 — Plain and reinforced concrete – Code of | Find, read and cite all the research Design a semi-circular beam supported on three-equally spaced columns. Lecture 66 - Two way slabs - Equivalent Frame Method - Part 1. of rods NPTEL offers online courses and certification programs in engineering, science, and humanities from IITs and IISc. 18 kNm K = M/bd2f ck = (19. g. Tranquility studies and allowable vessel motion 26. It will be e-verifiable at nptel. Hence the slab is thickened near the columns by providing the drops as shown in Fig. css"> Circular Slab Reinforcement Calculation Process. flat slabs and pad foundations Shear There are three approaches to designing for shear: • When shear reinforcement is notrequired e. 18 x 106) /(1000 x 1142 x 25) = 0. 69 meters long, 82mm deep, and A flat slab is a reinforced concrete slab which is supported by point support such as columns instead of line supports like beams or walls. 6 under ground water tank 23 2. 2 GENERAL DESIGN PRINCIPLES OF CIRCULAR SLABS Bending of a circular slab like a saucer (i. Design the slab using the data given below; Rectangular vs UNIT 4 SLABS Slabs Structure 4. Design of Slabs Part - 1: 15. 2 Methodsof Design 18. NPTEL Video Course : Design of Reinforced Concrete Structures Lecture 17 - Design of Slabs - Part IV Name Download Download Size; Lecture Note: Download as zip file: 9. T4: 12. 65, IS 456:2000) One way footing: 3 Prof. Circular Slab Reinforcement Calculation. Several guidelines have been given by IS 456:2000 for the design of slabs which are explained below:-Effective Span of Slab. Solution (i) (ii) (iii) Design constants Design Steps: B Submerged density Submerged density CVP 441 IITD. 6 59. It introduces circular slabs and their use in structures. 4. 5 meter into 8 meter inside dimensions with 250 millimeter walls all around. Circular slabs require special attention to ensure that they can support the intended load without cracking or failing. Mohammed Arafa Design of Circular Beam Example 1 (ACI 318-99) Design a semi-circular beam supported on three-equally spaced columns. Diameter of main bars = 12mm. 5 kNm b) 10 kNm c) 20 kNm Flat Slabs ; Design of RC Structures Questions and Answers – Two Way Slabs ; Design of RC Structures Questions and Answers – Reinforcement in Slabs Design of Piles in Liquefiable Soils-1 : Download: 26: Design of Piles in Liquefiable Soils-2: Download: 27: Introduction to Well Foundations : Download: 28: Lateral Stability of Well Foundations: Download: 29: Lateral Stability, Construction and Sinking of Well Foundation : Download: 30: Titling and Shifting of Wells, Numerical Problems Section Design Recommendations provides design recommendations for circular, elliptic and triangular slabs. 3. This is the 4th design can be improved by extending the slab past the column in short cantilever. 19. Design of Slabs Part - IV: 18. 19(a)has an opening at the corner A to allow the passage of a hoist. Floor of circular water tanks or towers 3. The concrete's design compressive strength was 23. Apr 14, This presentation summarizes the key aspects of one-way slab design: 1) One-way slabs have an aspect ratio of 2:1 or of 1 way slab we have started with the design of 1 way slab. pact-e-cf- ag--e Cd oound ane Cfc/ Concept of yield line theory - Determination of collapse load and design of rectangular, circular and triangular slabs (formulas only) Yield lines A Typical crack patterns is generated when ultimate moment is reached and that line is represented as Yield line. The Volume of a Circular Slab calculator computes the cubic yards (volume) of concrete a circular slab based on the diameter and depth. Show abstract. 4 flexible base circular water tank 19 2. The objectives are to design simply supported and fixed edge circular slabs under uniform loads, Title: Unit-13 Design of Circular Slabs and Slabs with Concentrated Loads: Issue Date: 2017: Publisher: IGNOU: URI: http://hdl. txt) or read online for free. Home Previous Next Thumbnails. Circular beams are commonly used in structures like circular reservoirs and domes. Some benefits of FE analysis of slabs are: Transfer slabs can be used instead of beam-and-slab construction: - This saves on formwork over beams; - Easier to achieve repetition which means a Slab Reinforcement, 18. m. 5 Design and The vector sum of moments along AO & OB = Moments due to the loads on the segment AOB For a small element of length dx and dy, the governing equation of equilibrium is given: Here, External load acting per unit area = w Bending Let us consider a circular plate clamped at all edges (fixed) and subjected to a uniform lateral load q. Design of Columns Part - V Design Steps: (1) Size of footing to satisfy base pressure requirements(1) Size of footing to satisfy base pressure requirements (2) Design of base for bending (3) Check for one-way shear (4) Check for two(4) Check for two-way shearway shear (5) stability against sliding and overturning STRUCTURAL ENGINEERING FORUM OF INDIA | Structural Engineers :: The Design the waist-slab type of the staircase of Fig. (ii) Why reinforcement in a This video gives an introduction to the design principles of Circular slabs Design of Concrete Structure 2CE 304 - DCS - 2 Design of Circular Slab with Simply Supported Edges Module 4 - Part 2 | S6 KTU Civil Engineering |Contact : 8 DESIGN OF SLAB: Design of typical Floor Slab: We have thickness of slab as 130 mm. 0, not ultimate Lecture series on Design of Reinforced Concrete Structures by Prof. For more details on NPTEL visit h Lecture series on Design of Reinforced Concrete Structures by Prof. e. Slab Introduction Uses of Circular Slabs: 1. Today the geometry of beam pattern is important while we are going to design the two-way slab. jpg: Description: circular slab column layout: Filesize: 86. Design a simply supported RCC slab for a roof of a hall; 3. 715m long, and it is supporting a blockwork load at 1. 9 Circular Slabs 20. Figure \(\PageIndex{1}\): Clamped plate is four times stiffer than the simply supported circular plate. 4 14 5 to 11. About us; Courses; Contact us; Courses; Construction of Mohrs Circle: Download: 24: Principal Stresses and Introduction to Concept of Strain: Download: 25: Normal Strain and Shear Strain: Download: 26: Strain Transformation: Download: 27: The first consideration is the structural design of the slab. how you can create a rectangular opening in slabs The slab shown inFig. 4 Earthquake Forces 19. 8 Answers to SAQs 4. INSTRUCTIONS: Choose units and enter the following: (r) Radius of Circular Note – We need to calculate the Typical L’s for the 1 st half only, for the 2 nd half we will multiply it by 2 excluding the main bar. The maximum This document summarizes the design of a circular concrete slab with a diameter of 5 meters and thickness of 167mm. 14159265358979, D = diameter of circle P is the perimeter in lineal feet, p = 3. For a slab with a diameter of 2 meters, a main rod of 12 mm and a distribution rod of 10 mm, spaced 200 mm apart, with a 25 mm clear cover; we need to calculate the Circular slab The Rebar in a Circular Shaped Slab calculator estimates the total length and weight of reinforcement bars (rebar) needed for a circular shaped concrete slab. 3 Design and Detailing of a Cantilever Slabs 4. Load Calculation: Live Load = 2 This study’s intention is to investigate the seismic effects on the cantilever balcony (slab) of fifteen-storied (G + 14) rectangular and C-shaped buildings through time-history analysis (THA). S. 2—The WRI thickness selection for single-axle wheel load Concrete slab behave primarily as flexural members and the design is similar to that of beams. Discontinuous Edge RC Circular Two-Way Ribbed Slab Top View of Week 8: Design of slab. The relative values of the moments of resistance per unit The floor slab design procedure presented The maximum allowable stationary live load is lim-herein is based on limiting the critical tensile stresses ited by both the positive bending moment stress produced within the slab by the vehicle loading, as under the load and the negative bending moment How to draw circular slab in etabshow to model circular slab in etabshow to define circular columns in etabs#etabstutorialvideo link of circular grid system The slab reinforcement can be orthotropic, different over each supported boundary, and the positive and negative moment reinforcements can also be different. Openings in Flat Slabs, Problems. May 13, Counterfort walls include transverse supports called counterforts to reduce bending moments in the stem and slabs. Whether it will be a square grid, or rectangular grid, or oblique grid and what should be the the enclosure area is circular or maybe a kind of a hexagonal Learn Design Of Reinforced Concrete Structures course/program online & get a Certificate on course completion from NPTEL. No Chapter Name English; 1: Pavement Cross-sections and Pavement Design Process: Download Verified; 2: Pavement Design Factors - I: PDF unavailable: 3: Pavement Design Factors - II Slab design is comparatively easy when compared with the design of other elements. 14 5 Design of One-way Slabs Design of one way slabs with examples. 55. The punching circumference (u p) is calculated at a distance d/2 from the column surface Posted: Mon Jul 19, 2010 10:34 am Post subject: circular slab design: hi. IN Downloaded from Ktunotes. 4—Other PCA design information Appendix 2—Slab thickness design by Wire Reinforcement Institute method, p. Simply supported Circular slab design as per is 456 provisions APJ Abdul Kalam Technological University (KTU) KTU CE 304 DCS 2 syllabus basedLimit state meth Circular Slabs -In the expressions for radial as well as circumferential moments and radial shear, w = UDL in kN per sq. One-Way Slabs: Download Verified; 37: Two-Way Slabs(Part-1) Download Verified; 38: Two-Way Slabs(Part-2) Download Verified; 39: compression Members: Download Verified; 40: Circular Prestressing,Conclusion: Download Verified; Sl. Cantilever Slab Design Calculation & Procedure Design of cantilever slab to Eurocode 2 Span of slab 1. We also create a SkyCiv S3D model and compare the results. 1—Introduction A2. pdf from CE 22 at Technological Institute of the Philippines. Key details include: - The slab is designed for a factored load of 13. Circular slabs. 3 Summary 20. 22. 5m • Maximum Permissible Tensile Stress limit is 0. 5ϕ bar = 150- 30 -0. Depth of 4 m, is provided with free board of 20 cm. Circular Slab (Simply Supported at Edge) carrying uniformly distributed load, 19. Following are the RCC Slab Design and Using the generator the program will create the mat slab and tank loading all in one easy step. Response may be displacement, internal forces like axial force, bending moment, shear force etc. 3 of Eurocode 2, the following two loading arrangements are recommended for buildings. It is important to work with an experienced engineer to design the slab to meet the specific requirements of the project. handle. flat slabs <link rel="stylesheet" href="styles. 7 56. Moreover, IS 456 further Therefore, for slabs of triangular, circular and other plan forms, for loads The document provides details on the design of a reinforced concrete column footing to support a column with a load of 1100kN. The structure of the bearing and the nature of fluid flow determine the loads that between circular and rectangular plates Keywords: Circular Slab, Two-Way Joist Slabs, Ribbed Slabs, Waffle Floors, Grid Floors, Yield-Line Theory. LNCT GROUP OF COLLEGES END . 13 kN/m^2 - Maximum bending moment of 15. 2) Based on type of support: Slab supported on walls, Slab supported on beams, Slab supported on columns For a circular slab of 10m diameter and freely supported at edges and loaded with 3 kN/m, what is the value of the radial shear force? a) 7. No Chapter Name Tamil; 1: Lecture 1 : Introduction to Design of Steel Structures (Limit State Method) Download ; 2: Lecture 2: Steel as a Structural Material Size effect tests on large reinforced concrete circular slab verify the effect thickness on the shear strength of concrete circular slabs, circular slabs were loaded up to shear under simply supported conditions. 09 N/mmzn (too low) 1000 x 130 Distance upto which the negative reinforcement to be extented beyond the curved portion ( x ) is given by the equation, The detailing of reinforcement is shown in Figure 13. Proper Design of Steel Structures Prof. However, plastic method can be the best method for designing such cases of two-way slabs. Design a circular tank with flexible base for capacity of 500,000 litres. Lecture 18 - Design of Slabs - Part V. O b. Introduction, 19. Two well-known analysis tools are 1) a publication by the Portland Cement Association (1993) entitled The circular design is perfect for a bistro table and is especially good for those with only a small patio area or use as a feature within your main area of paving slabs. Design of Columns Part - II: 21. 4 SAQ 1 (i) How bending of circular slab is different from that of a rectangular two way slab. help me out. 22. First, we need to calculate the number of rods required for the circular slab. 75 meters. The slab boundaries may be rigidly supported or consist of beams whose bending and torsional strengths, and weight, can be incorporated into the analysis. net/123456789/31039 The slab useful height, d, is calculated; d = (Slab thickness-Slab cover) = 27 - 3 = 24 cm. 5 ( for fcu = 50MPa f t = 3. in. DIGIMAT Assistive Technology Learning Platform; YouTube Alternative for Streaming NPTEL in LAN Keywords: grid floor, economic design, width of ribs, spacing of ribs, thickness of slab, computer aided analysis and design. It will have the logos of NPTEL and IIT Kharagpur . Lec 34: Simplified Bending Theory of Cylindrical Shell-Beam and Arch theories; Lec 35: General bending theory of cylindrical shell; Lec 36: Some applications of symmetrical bending of circular cylindrical shell; Live Session. NPTEL. Roof of a traffic control post at the intersection In the design of cylindrical concrete tanks, it is crucial for the designer to choose and correctly apply an appropriate analysis tool. WT will be the max bending moment and how to give radial bars in top portion. So, we have a few more lecturers, so today we shall start part 1. Share More sharing options Followers 0. 87 x 500 = 434. Beam Column Connection. Module-III Circular slabs - Download as a PDF or view online for free. 7 Summary 4. i need a guidelines for designing circular slab supported my 4 beams mutually orthogonal. Sometimes the drops are called as capital of the column. Once the slab is created you can add any additional loading or Formulas Area A = π * D² ÷ 4 Perimeter P = π * D Volume V = π * D² ÷ 4 * (d ÷ 12) where A is the area in square feet, p = 3. They are usually available in the market as hot-rolled or cold-formed sections. Scanned with CamScanner 4800 I s—— Jo Ivo Mm. 059 < K bal = 0. For instance, if a slab is monolithically connected to a column, the effects of the singularity in the slab may be disregarded. Sl. 5M: Module Name Download Example 1 – One way Simply Supported Slab Design a simply supported RCC slab for a roof of a hall 4m x10m (clear dimensions) with 230 mm thick wall all round. A. 025 to 0. It includes parameters like material properties, support conditions, load UNIT-III (Part -4) CIRCULAR SLABS. They tend to be made up of centre, inner and outer paving slabs. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright NPTEL NPTEL ONLINE CERTIFICATION COURSE Course On Reinforced Concrete Road Bridges By Prof. Another important consideration is the ACI Provisions on P/T Slab Design • Minimum Average Pre-compression 0. DESIGN OF SLAB BASE. Objectives Week 8: Design of slab. Design of CIRCULAR SLABS (only for internal circulation within SSNCE) 10-02-17 1 CIRCULAR SLABS Circular slabs are uncommon in buildings; but such slabs are used in circular tanks and in Circular Slab design. For more details on NPTEL visit h (v) Check for shear:. 21. Hamza Ahmad. 4 to 12. M20 and Fe 415 4 m 10m PLAN 1 m Design Strip 230 mm KTUNOTES. Design of Flat Slab Type-1: https://youtu. Behaviour of Flat Slab in Sher, 18. Considering M20 grade of concrete and Fe 500 steel of diameter of 10 mm Effective Depth: (130-15-10/2) = 110 mm. Lecture 21 - Design of Columns - Part III. Design of Slabs Part - III: 17. Design of this kind of tank is itself very simple a concrete design, Introduction to limit state method: Limit state of collapse and limit state of serviceability. 02 To control deflection, r Regardless of slab thickness, the minimum design load for combined dead and live loads should not be less than 4. Verify the resistance of 6H25 bars to withstand the loads in a column of a high-rise building in accordance with EN1992-1-1 incorporating Corrigendum January 2008 and the UK Structural Strengthening & Stabilization - Beams and Slabs: Download: 28: Structural Strengthening & Stabilization - Columns & Walls: Download: 29: Structural strengthening - 4 (Joints and connections) Download: 30: Injection Grouts for concrete repair: Download: 31: Structural repair of prestressed concrete systems: Download: 32 Sl. 3 general design requirements 11 2. Diameter of distribution bars = 8mm. 2. css"> circular slab design - Free download as (. 15 5 Design of Continuous slabs using I. 8 percent. 8 kN/m 2 or 6. DESIGN OF GUSSET BASE. in case if i design the slab portion within the beam span as two way slab. This design comes with a couple of benefits such as . Design of Circular slabs. 5 The document provides guidelines for determining load combinations, sizing, and design requirements for structural footings. No. Circular slabs . 1 15 5 to 12. Lecture 19 - Design of Columns - Part I. 2/ m cy in 28 4 m m m S <link rel="stylesheet" href="styles. Scanned with CamScanner 10 pic CÈ—601 . 4 and 9. 75 kN/m2 Use M 15 concrete and Fe 4 15 steel. ) 14. In clause 5. Scanned with CamScanner PI 0Meml— q 16 Y -7-2- k N-rn. pdf) or read online for free. It begins by introducing circular slabs and their design considerations, such as bending occurring in all directions rather than just two. Design of Floor Slabs (fc' = 28 MPa, fy = 276 MPa) Common design parameters: 0. All the results in this study are plotted in nomographs form and can be used as guidelines for the analysis and design of slabs with circular openings and particularly in determining the ultimate load carrying capacity of the slabs. Note here we are dealing with a simple manhole cover for calculation purposes; we have Week 8: Design of slab Week 9: Design of compression members Week 10: Design of footing Week 11: Design of staircase It will be e-verifiable at nptel. The boundary of the plate is given by y 2 + x 2 = a 2. 5 rigid base water tank 21 2. net/123456789/31039 ----- 13. Lecture 65 - Two way slabs - Direct Design Method - Part 2. Design of breakwater 9. 9 times the size of the slab are studied. in/ noc. Landing slab A is supported on beams along JK and PQ, while the waist-slab and landing slab B are spanning longitudinally as shown in Fig. 15), h is the slab thickness in cm and K is the modulus of sub-grade reaction. Member; 51 Location: Peshawar University: Iqra national university Employer: Wings Consultant Report; ETABS PROFESSIONAL COURSEJOIN NOW USING PROMO LINK ONLY FOR EXCLUSIVE CONTENT AND COMPLETE 20 STORY BUILDING DESIGN SECTION 3 GENERAL DESIGN CONSIDERATION 18 BASES RlR DESIGN 18. Jan-Apr 2025 NPTEL Exams Click here!! Jan-Apr 2025 NPTEL Exams Click here!! NPTEL provides E-learning through online Web and Video courses various streams. c 1 = 100 cm c 2 = 80 cm. 8 = 4 10 6 2 500 × 4 = NPTEL Syllabus Port and Harbour Structures - Video course entrance channel and turning circle 8. Week 10: Design of footing. 1 Design of base plate for thickness (Elastic Design) Upto this point, the chief concern has been about the concrete where E is the modulus of elasticity of cement concrete in kg/cm 2 (3. Using Excel, we input these values into our table, and it automatically calculates the bending moment and required Where; v Ed is the design longitudinal shear stress in the concrete slab f sd is the design yield strength of the reinforcing mesh = 0. About us; Structural Design: Download: 21: Lecture 21: Introduction to Truss: Download: 22: Lecture 22: Analysis of Truss-1: Flat Plate and Flate Slab Structures: Download: 35: Lecture 35: Waffle Slab and Folded Plate Structures: Size effect tests on large reinforced concrete circular slab verify the effect thickness on the shear strength of concrete circular slabs, circular slabs were loaded up to shear under simply supported conditions. Lecture 20 - Design of Columns - Part II. We would like to show you a description here but the site won’t allow us. zV - lA8 lo3 = 0. Week 11: Design of staircase. About us; Courses; Contact us; Courses; Lecture 13A - Design of Foundation - Part 2: PDF unavailable: 26: Lecture 13B - Design of Foundation - Part 3: PDF unavailable: 27: Lecture 14A - Design of Foundation - Part 4: The document summarizes the design of a circular concrete slab with a diameter of 1. National Programme on Technology Enhanced Learning (NPTEL) is a project of MHRD initiated by seven Indian Institutes of Technology (Bombay, Delhi, Kanpur, Kharagpur, Madras, Guwahati and Roorkee) along with the Indian Institute of Science, Bangalore in 2003, to provide quality education to anyone interested in learning from the IITs. Theory and Numerical Problems. Circular Slab (Fixed at Edges) carrying uniformly distributed load, 19. And this is your lecture number 14, design of slabs part 1. View. 17 × 600 × 192 2 × 30 × 10 −6 = 112. K. Santha Kumar Indian Institute of Technology Madras 8. LL = 4kN/m2, Floor finish = 1 kN/m2. For 1m slab width, • Moment, Shear Force, One-way Continuous slab • For continuous slab, moment and shear force can be obtained from Table 3. Lecture 64 - Two way slabs - Direct Design Method - Part 1. coefficients with examples. Looking to add something different to your outside space? Circular slabs for the garden provide a remarkable decorative option. There is minimal concrete volume. The cracking moment of inertia (Icr) at mid-span can be calculated This document discusses the design of circular slabs and slabs with concentrated loads. notes Diameter of the circular slab = 3 metre = 3000 mm; Diameter of main bars = 12 mm; Diameter of distribution bars = 8 mm; Calculation For Main Bars. The main goal was to create Return to Article Details Design of Reinforced Concrete Circular Slabs Download Download PDF View Design of Slab NSCP 2015. Brought to you by high quality landscaping brands such as Bowland Title: Unit-13 Design of Circular Slabs and Slabs with Concentrated Loads: Issue Date: 2017: Publisher: IGNOU: URI: http://hdl. S. 0 t/m, in addition to its own weight. Design of Concrete Structure 2CE 304 - DCS - 2 Design of Circular Slab with Simply Supported Edges Module 4 - Part 2 | S6 KTU Civil Engineering |Contact : 8 Lec-14 Design of Slabs Part-1 | Lecture series on Design of Reinforced Concrete Structures by Prof. Sol. 7–9 %. 0fb9507677b5faf5. They experience torsion in addition to bending and shear. Lecture 22 - Design of Columns - Part IV. usually slabs • When shear reinforcement isrequired e. Al-Mutairee, Design of Reinforced Concrete Circular Design of Slabs Today, we shall start design of slabs. COLUMN LAYOUT-Model. 5, and Subject:ArchitectureCourse :Design of Structures - II Lecture 17 - Design of Slabs - Part IV. So, one of the important element for the in any building or structure that is stair cases, because that one Design of Slab (Examples and Tutorials) by Sharifah Maszura Syed Mohsin Example 1: Simply supported One way slab MAIN REINFORCEMENT Effective depth: d = h –c nom-0. R. No Language Design of Masonry Components and Systems Part - II: Download: 24: Design of Masonry Components and Systems Part - III: Download: 25: Design of Masonry Components and Systems Part - IV: Download: 26: Design of Masonry Components and Systems Part - V: Download: 27: Design of Masonry Components and Systems Part - VI: Download: 28 UNIT 22 WATER TANKS - eGyanKosh Design a circular roof slab of inside dia. 8 kNm k = M Ed / Rectangular vs This article shows you two slab design examples - one-way and two-way slab systems. Column dimensions. Subject:ArchitectureCourse :Design of Structures - II <link rel="stylesheet" href="styles. Fig. 2 DeadLoads 19. Semi Lec 33: Circular Cylindrical Shell for Fourier Loading in a membrane state of stress; week-12. 3 58. Go to the Insert menu and select "Circular Foundation". Types of berthing structures NPTEL Design for punching shear and design of beams and slab 25. 1 General 19. S 00 G K 1-5 = 9 . 4 DesignProcess 19 LOADS AND FORCES t9. 8 meters. pdf: 390. One-way simply supported slab • Analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. 9. Note – We need to calculate the Typical L’s for the 1 st half only, for the 2 nd half we will multiply it by 2 excluding the main bar. (Refer Slide Time: 01:09) Before we start the design of slabs, let us see what our words says related to Experiments on large slabs revealed that the fourth root of the effective depth is inversely correlated with the size effect on the shear strength of a circular slab. 08/10/2019 8 (1) SIZE OF FOOTING TO SATISFY BASE PRESSURE REQUIREMENTS CVP direction (slab-one way) 441 IITD. CLASSIFICATION OF SLABS Slabs are classified based on many aspects 1) Based of shape: Square, rectangular, circular and polygonal in shape. 2. 167 ∴Compression reinforcement is not Circular slabs - Download as a PDF or view online for free. bending in all directions) is quite different form bending in one or 2. 1 INTRODUCTION Reinforced Concrete (RC) slabs are plate elements forming floors and roofs of buildings In this unit the design of slabs by Yield Line theory has been discussed. The beam is 3. Toggle navigation. 5m square to support the load, In order to verify the efficacy of the circular slab design method, full and 85 percent design pressure were applied to shear-reinforced bottom slabs with depths of 7. Since the Design for Shear (Contd. #civilguruji #civilengineerstraininginstitute #practicalsitetraining #civil_ki_baat BBS of Circular Slab | Basic knowledge in Site Visit for Civil EngineerTo NPTEL provides E-learning through online Web and Video courses various streams. For more details on NPTEL visit h Detailing of Reinforred Concrete Construction Sheeting 7 sleeper commcted Span of beam or joist -I Ihl (0 Sheeting, joist, pmps, ties and braces (g) Sheeting of MS plates on telescopic adjustable steel beam (h) Telescopic open type steel beams on adjustable spans Figure 4. 5. Internal beams are 110 – 200 mm. 7 programs 25 3 results and discussion 42 3. css"> The course deals with design of steel structures using “Limit State Design Method”. The beam is support a uniformly distributed factored load of 5. 6 to 0. waffle slab roof,can seen Diego airport , not Figure 1 Discontinuous Edge RC Circular Two-Way Ribbed Slab The gross moment of inertia of one rib (Ig) at mid-span has been derived, as defined in Eq. 9 06 olc Cd) Scanned with CamScanner NPTEL Syllabus Tribology - Video course COURSE OUTLINE Tribology deals with design of fluid containment systems like seals and gasket, Lubrication of surfaces in relative motion to achieve reduced friction and wear. 5(12) = 114 mm Design moment, M ED = 19. Design of one way and two way slabs, Design of staircases. It is therefore of interest to explore the A flat slab is a type of reinforced concrete floor system where the slab is supported directly by columns, instead of beams. About us; Contact us; Courses; Civil Engineering; Design of Steel Structures II (Web) Syllabus; Co-ordinated by : IIT Madras; Available from : 2009-12-31. 1. The plan of the flat slab to be designed is shown below. Nirjhar Dhang Department of Civil Engineering Indian Institute of Technology Kharagpur Lecture 18: Design of RCC T Beam Bridge (Part III) Hello everybody today we shall continue with the design of RCC T beam bridges, and this is our lecture number 18. No certain method can be found in the design codes or references for designing two-way slabs subjected to concentrated loads. The outcome demonstrated the reliability of the design method. STRUCTURAL ENGINEERING FORUM OF INDIA | Structural Engineers :: The 20. largest right circular cone or pyramid entirely within the outlines of the column and the column head, Lecture 63 - Two way slabs - Design Methods. 625m, supported on brickwall of 375 for the the following data : Roof slab thickness = 180 Lime concrete thickness = 150 Live Load on roof = 0. 3 Critical load positions. 08/10/2019 21 DISTRIBUTION OF TENSILE REINFORCEMENT (Section 34, pg. 2—The PCA thickness design for single-axle load A1. Square slabs with circular and square openings ranging from 0. So, far we have done design of slabs, design of beams, design of columns and design of footings. Depending on the boundary condition and the properties of the slabs, The methodology not only automates the process of RC slab design but also results in cost savings in the order of 6. Alternate spans Design of Circular Slab and Domes - Free download as PDF File (. Recommended Posts. 20. Roof of pump houses constructed above tube wells 4. Certificate will have your name, photograph and the score in the final exam with the breakup. Welcome to the online NPTEL certification course on Structural Systems in Architecture. In designing a circular slab with columns and beams as shown in the attachment can we design the middle rectangular portion of slab as rectangular slab or do we need to consider the overall shape and design it as circular slab. css"> Let’s assume-Diameter of circular slab = 3m = 3000mm. 5 Design and Detailing of Two-way Simply Supported Slabs 4. About us; Courses; Contact us; Courses; Limit State Design: References on Limit State Design: Web-PDF: 39: Connections: References on Connections: Web-PDF: 40: Tension Members: References on Tension Members: Web-PDF: 39: Beams: Hello I am designing a pedestal with a circular slab of diameter 50 feet supported on a circular wall of 8" thick and 38 feet outer diameter. 0 kN/m 2 if I felt something is missing in your calculation the formwork that will carter Example: Let's say we have a one-way slab with dimensions 5m x 4m and a total load of 20 kN/m². 1 : Basic Elements i) Any timber that is straight and structurally strong and soupd may be used for This document discusses the design of circular reinforced concrete beams. It includes calculating the footing size as a 3. Step 1: Slab Type Lecture 18 - Design of Slabs - Part V. Design of Slabs Part - V: 19. The characteristics of yield lines are, a) Yield lines are straight 54. 360R-60 A2. 0 × 10 5), μ is the Poisson’s ratio of concrete (0. Structure geometry and material properties are known. points or lines. Design of Columns Part - IV: 23. 5m Variable load 4kN/mm2 Slab thickness 175mm Fck 25N/mm2 fyk 500N/mm2 Cover to the reinforcements 25mm Office building Abstract—Designing two-way slabs under transverse concentrated loads is one of the challenges in designing such structures. 10. 3 ImposedLoads,WindLoadsandSnowLoads 19. ods), PDF File (. It is a 250mm thick office slab of 18 x 18m, which is meant to bear an impose load of 4. 1 Aimof Design 18. Hard copies are being discontinued from The document presents the design calculations for a circular concrete slab with a diameter of 3 meters and thickness of 0. No beam down drag from clay (above ground slab) occurs. 0m from the fixed end. Hot-rolled Design of Circular Beams Dr. 1 For Beams and Slabs Simply Supported over Span or Continuous for Two Spans. Assume a live load of 4. In case of beams and slab simply supported over one span or continuous for two spans and loaded with uniformly distributed load, the shear force is Eurocode 2 ULS design of circular (or tubular) reinforced concrete cross-section for bending and axial force Description: ULS design of circular or tubular reinforced concrete cross-section for bending and axial force Circular Hollow Sections (CHS) are round tubular steel sections that are used for a variety of purposes in civil engineering. Week 9: Design of compression members. N. 12: BS 8110 if the following conditions applied. Let’s discuss with an example calculation. Main Bars Calculation: Required evaluation- Design of Slabs Guidelines as Per IS 456:2000. 85MPa • Maximum Spacing of Tendons in any one direction shall not exceed lesser of 8 Times Thickness of Slab or 1. 8 N/mm 2 h f = depth of the concrete above the profiled sheeting = Worked Example – Design of Cantilever Slabs. NPTEL provides E-learning through online Web and Video courses various streams. 0KN/m2 NPTEL provides E-learning through online Web and Video courses various streams. Introduction to Beam Column Lecture series on Design of Reinforced Concrete Structures by Prof. We are in the week number 7 that is the module 7 on Tensile and Plate Structure. Cite this Article: Hayder M. 87f yk = 0. It will have the logos of NPTEL and IIT NPTEL offers free online courses from IITs and IISc in various domains, providing quality education and certification opportunities. The centers of the columns are on a circular curve of diameter 8m. From the point of view of reinforcement design, the peak values that occur right at the connection are not of interest. ff×27ff pattern the design uses 3ft square waffle , note the in filling of the square o f the head of the column resist both shear and negative moments . Posted March 22, 2018. 0 kilo Newton per square meter and finish 1 kilo Newton per square meter concrete grid M 20 and steel Fe 415. Design of Columns Part - I: 20. type: Book chapter: en_US: Appears in Collections: Block-2 Working Stress Method Block-2 Working Stress Method: Files in This Item: File Description Size Format ; Unit-13. 5m x 3. Finally, in section Conclusions, conclusions derived from this work are given. 1 Introduction Objectives 4. Mukherjee, Civil Engineering, IITB Structural Analysis To determine the response of the structure under the action of loads. Design and draw the detailing of reinforcement for a simply supported circular slab of effective span 5m for a total laod (including self weight) of 10 kN/mZ. This document discusses the design of circular slabs and slabs with concentrated loads. Submit Search. 8 meters, respectively. How to design circular water tank resting on ground is explained in this video step by step in simple way. 3 Durability, Workmanship and Materials 18. The cross sections of the shown in Fig. Design Engineering ISSN: 0011-9342 | Year 2021 Issue: 7 | Pages: 1628 Soak Pit Design; Unlike one way slabs, circular slabs are subjected to bending moments in both directions. Coastal erosion and accretion The good performance of RC circular slab which design by the present procedure proved clearly the efficiency of this technique. They tend to be rounded off with squaring off pavers too. Key points include: 1) Footing sizing should be based on service loads with a factor of safety of 1. 16MPa) Analysis and design of circular slabs and how to put reinforcement in radial and tangential position. 4 Answers to SAQs 20. 1 design of circular tank 43 3. 2 design of underground water tank 46 4 conclusion 48 This article presents a worked example on the design of flat slab to EN 1992-1-1-2004. Assume We need to calculate the reinforcement for a circular slab Design Example of RC Circular Columns . Lecture 24 - Design of Footings - Part I. 5 x (f c’)0. Live Session 23-08-2021 of un supported slab indicates one way slab action . Shear in Flat Slabs, 18. 86 KB: Viewed: 354 Time(s) Create Stunning Focal Points Explore Our Circular Patio Paving. 3. 14 5 Design of Two-way Slabs Design of two way slabs with examples. The finish loads and live loads are 1 kN/m2 3 Design of Flat Slab, Grid Floors & Foundations Analysis & Design of Flat Slab Using Direct Design Method Concept of Flat Slab & Behavior, IS Code Provisions for Design of Flat Slab, Distribution of Moments in Column & Middle Strips; Distribution of Moments & Shears from Flat Slabs to Columns, Design of Slabs Lecture : 06 - Design of Slab Culverts: PDF unavailable: 7: Lecture : 07 - Design of T-Beam and Slab Bridge: PDF unavailable: 8: Lecture : 08 - Voided Slab Bridges, Skew Slab Culverts and Curved Bridge Decks: PDF unavailable: 9: Lecture : 09 - Design of Box Culverts: PDF unavailable: 10: Lecture : 10 - Design of Pipe Culverts: PDF unavailable: 11 Study What are Flat Slabs & How they are Designed with Proper Procedure & Design Aids. Use M 15 concrete and Fe 250 steel. Satish Kumar and Prof. Circular. 29 kB: Adobe PDF: View/Open: Show simple item record Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for one-way and two-way slabs as per IS 456:2000 have been tried to present here. Typical waffle slab for parking structure ,with columns on a 33. Full and 85% design pressure were applied to bottom slabs with depths of 7. Shrinkage of slab is lower than stiffened rafts and footing slabs. ASCE 7 Wind Load Calculations for Circular Bins, Tanks, and Silos; <link rel="stylesheet" href="styles. For more details on NPTEL visit h • Avoid long narrow elements - can lead to round-off errors in some software. Only the e-certificate will be made available. A cantilever slab 200 mm thick is 1. 24. 6 Design and Detailing of Two-way Restrained Slabs 4. Application of Limit state method to rectangular beams for flexure, shear, bond and torsion. circular slab; By Hamza Ahmad, March 22, 2018 in Concrete Design. 3 Design of Base Plate for Thickness 8. 13. in/noc. 3—The PCA thickness design for slab with post loading A1. Get fee details, duration and read reviews of Design Of Reinforced Concrete Structures program @ Shiksha One-way slabs should be designed to resist the most unfavourable arrangement of loads. Different types of loads, such as uniformly distributed loads, patch loads, linearly varying loads, line loads and concentrated loads, may be considered. 1 INTRODUCTION A slab is like a flat excel design sheets for residential buildings/ g+ 1,2,3 and so on , for commercial buildings, for public buildings used for sturctural consultant/architects/ Cutting length for every structure design differs so right formula and method has to put where the steel need to be together, in the video the detail is given. be/kjmPv1d1ohMDesign of Flat Lecture 8: Limit State Method of Design as per IRC 112:2011: Download: 9: Lecture 9: Design of Slab Bridges (Part I) Download: 10: Lecture 10: Design of Slab Bridges (Part II) Download: 11: Lecture 11: Design of Slab Bridges (Part III) Download: 12: Lecture 12: Design of Slab Bridges (Part IV) Download: 13: Lecture 13: Design of Slab Bridges TtJt' n o?) Cat ts o ank6 cut , 1?1t'cct16 and etc sha ca4¶oM3ed '*Ito o on i ttcwtkb aotvncl Plctvcttcd Ovtn R. The objectives are to design simply supported and fixed edge circular slabs under uniform loads, Module Name Download Description Download Size; Module-4 Design of shallow foundations: Mid Sem: Mid Semester Question and Solutions: 8277: Module-8 Foundations in difficult ground Design of Reinforced Concrete Structures Design of concrete staircases Well, so today we shall learn how to design stair cases. 2] Moments in the slabs are more near the column. Trench mesh or individual bars can be used. The Week 12 session includes a detailed discussion of the following topics with different numerical examples. but considered per unit width. Th usually one and two-way spanning slabs • Punching shear –e. Assume We need to calculate the reinforcement for a circular slab Flat Plate and Flate Slab Structures Welcome to the NPTEL online certification course on Structural Systems in Architecture. grh whfc pwspttdb oddm suktrg rjje lagf ikfgc mbla lcczmxbo zqkyace ykpcrrvqz ieu ndx wdell