The 2012 edition of the reinforced concrete design manual sp1711 was developed in accordance. Reinforced concrete design 1 design of slab examples and. The best book on the topic so far is the grid design workbook by cindy seitzkrug. A oneway slab is defined for functions of the book as a flexural member with thickness small relative to other dimensions, supporting gravity loads applied normal to and directly above its surface, a span in one direction between parallel supports. Comparative analysis and design of flat and grid slab. Exposition is based on the latest indian standard code is. Oneway and twoway slabs university of asia pacific. It then goes on to show how to create perspective grids on several different angles and from different directions. Chart use for design is presented in a nice step by step manner. A look into their lives site index diehard survivor is a participant in the amazon services llc associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to. Tab 1 slab design input required data constants change only if necessary calculated data b notations. They are either oneway spanning systems known as ribbed slab or a twoway ribbed system known as a waffle slab. The wire reinforcing institute recommends the use of the subgrade drag theory for slabs up to 150 feet in length.
Using the grid system for interior design sketching this graphically heavy book covers the basic concepts of perspective and geometry. Flat slab system is an important division of concrete floor system. Reinforced concrete slab an overview sciencedirect topics. Also stiffness method takes less time for analysis. The name waffle comes from the grid pattern created by the reinforcing ribs. This form of construction is not very common because of the formwork costs and the low fire rating. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. The plate increased the flexural capacity from 31 knmm to 47 knmm width of slab as shown in fig. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Analysis and design of multistory building with grid slab. See more ideas about book design, cover design and design.
This is the compilation of the presentations available for grid slabs on slideshare. The first reinforced concrete design manual formerly titled aci design handbook was developed in accordance with the design provisions of 1963 aci 318 building code by aci. The book covers almost all the information required by a learner to master etabs. In this book, architect charlie hailey and photographer donovan wylie explore the contradictions of slab city. Good descriptions of how slabs behave and how this relates to design. Jan 06, 2014 slab on grade foundation, detail design. Oneway and twoway slabs oneway slabs transfer the imposed. Flat slab are slab which dont have beams or continuous t beams bw them as ribs to increase the rigiditymeanwhile one with beams is called grid slab one which you usually see these days. However, greater efficiency can be achieved by designing the flooring as one integral slab and analysis and design of multistory building with grid slab using etabs ch. Using load intensity given in 1, the design bending moments and shears are calculated as follows. The essentially oneway design of the system can be seen by the relative lengths and sections of the main beam. The best book to refer to is reinforced concrete design to eurocode by bill mosley. Handbook on good building, design and construction in the. A oneway slab is defined for functions of the book as a flexural member with thickness small relative to other dimensions, supporting gravity loads applied normal to and directly above its surface, a span in one direction between parallel.
A comparative study was done to identify the best slab system. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Waffle slabs are preferred for spans greater than 40 feet 12 m, as they are much stronger than flat slabs, flat slabs with drop panels, twoway slabs, oneway. American quilters society the grid design workbook. Mar 23, 2015 flat slab design by moussa rili 64115 views. Influence of grid spacing of columns in flat slabs by distributing moments and shear using bonded post tensioned system written by venkataraj. Influence of grid spacing of columns in flat slabs by. Thickness of slab and the rib are made constant and are equal to 0. For all hall sizes the thickness of grid slab is assumed as 100 mm. This page is about how to build a thickened edge concrete slab on grade fpsf footing on soil with a high water table to prevent frost heave, by first installing drainage below the slab. Built on the concrete slabs of camp dunlap, an abandoned marine training base, the settlement maintains its offgrid aspirations within the sites residual military perimeters and gridded street layout.
Analysis and design of grid slab in building using. Good building design and construction handbook page 4 forewords yiping zhou director special unit for southsouth cooperation, undp good building design and construction. Analysis and design of waffle slab with different boundary. Finite element analysis and parametric study of grid floor slab. The hand calculation examples are very difficult to read. C varghese a book of advanced reinforced concrete design. It has got detailed worked example of all cocncete elements, including ribbed and waffle slabs. A grid model is proposed for the nonlinear behavior of flatslab structures. This gives you complete waffle slab design with rebar detailing and schedules. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. Flat grid waffle slab by akshay gawade 57352 views. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter.
A civil engineer must know all the aspects regarding the flat floor system. A gallery of gridded designs and patterns throughout accompany color photos. A grid model is proposed for the nonlinear behavior of flat slab structures. Find out why you should never leave your marked quilt in a hot car. A look into their lives site index diehard survivor is a participant in the amazon services llc associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by. This new system they invented is called the holedeck. Comparison of various methods of analysis of grid floor frame. Design of waffle slab without beams by direct design method 32 32 32 c 1 c 2 c 3 c 4 2 c 5 c 6 c 7 c 8 32 s ss 22 3 7 c 9 c 10 c 11 c 12 32 8 11 b 1210 bb c c 14 c 15 c 16 16. Concrete volumes and slab design data 81 concrete slabs on form deck 82 83 ufs, uf1x, ufx, uf2x maximum span and cantilever tables 84 slab and reinforcement data 85 fire resistance ratings 86 sdi long form specifications 87 91 introduction 92 diaphragm design example 93 typical fastener layout 94 1. Lecture series on design of reinforced concrete structures by prof.
This book systematically explains the basic principles and techniques involved in the design of reinforced concrete structures. For uniformly distributed loads of w per square foot of the slab, each strip acts approximately like a simple beam uniformly loaded by its share of w. Aci 360, design of slabsongrade, refers to this as a type b slab. The slab has to carry a distributed permanent action of 1.
Analysis and design of waffle slab with different boundary conditions. It exhaustively covers the first course on the subject at b. The grid design workbook shows how to make a gridded background for a quilt and presents a stepbystep process for quilters who would stitch backgrounds to enhance quilts, and uses diagrams and instructions to show how to make and apply these different stitches. It permits a number of possible uses and each designer can look for a solution appropriate to his personal style. Esb 750 series proposal request pdf for proposals or suggested changes to our specifications for electrical installations and its supplements, please complete this form. Analysis and design of flat slab and grid slab and their cost comparison. Deotale, analysis and design of flat slab and grid slab and their comparison, international journal of engineering research and applications vol. Reinforced concrete design 1 design of slab examples. Ribbed floors consisting of equally spaced ribs are usually supported directly by columns. Waffle slabs are preferred for spans greater than 40 feet 12 m, as they are much stronger than flat slabs, flat slabs. Oct 25, 2016 the grid system is an aid, not a guarantee, wrote mullerbrockmann in grid systems in graphic design. Etabs checklists for beginners the structural world. Grid floor system consisting of beams spaced at regular intervals in perpendicular directions and monolithic with slab are used for large rooms such as auditoriums, vestibules, theatre hall, show room shops etc. It is a beautiful publication with outstanding information, methods, examples, and tips.
Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Concrete floor slab construction process includes erection of formwork, placement of reinforcement, pouring, compacting and finishing concrete and lastly removal of formwork and curing of concrete slab. The slab directly rests on the column and load from the slab is directly transferred to the columns and then to the. These materials are originally located at different websites. Explanatory text was added to each chapter, while maintaining relevant design aids and illustrative examples. Learn the importance of echoquilting your main motifs. There are many different soil conditions and corresponding slab designs. Various approachesavailable for the analysis of grid floor frame, are as listed. Foreword the reinforced concrete design manual sp1711 is intended to provide guidance and assistance to professionals engaged in the design of castinplace reinforced concrete structures. Grid is highly redundant structural system and therefore statically indeterminate. The design procedure separately incl udes determining thickness of slab under wall load. Finite element analysis and parametric study of grid floor. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. M published on 20180730 download full article with reference data and citations.
Various approachesavailable for the analysis of grid floor frame, are as listed below. Analysis and design of flat slab and grid slab and their cost. This book explains the designing of structure, assigning various properties to structure, applying different load conditions, and performing analyses. This paper focuses on studying the behavior of conventional slab, flat slab and grid slab separately.
Flat slabs are usued for their aesthetic appearance and. Many of these earlier design aids intended to carry out relatively simple design calculations were eliminated in the sp1709 edition. A waffle slab or twoway joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside. Dhang, department of civil engineering, iit kharagpur. Pdf analysis and design of flat slab and grid slab and.
Goodier theory of elasticity mcgrawhill book company, 1951. The inelastic response of the structure is concentrated in point hinges introduced into beam finite elements, modeling the response in bending, torsion, and shear. Comparison of various methods of analysis of grid floor frame ijesi. This parking structure has columns on a rectangular grid pattern. Flat slab analysis, design and detailing pdf civil. The bending moment, the shear force and the mid span deflection. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. The plank and beam system described above is the simplest system for creating flat, horizontal surfaces. Doc design and analysis of flat slab floor system for. The most straightforward routine structural element for illustration of design provisions from the code is that the oneway slab. Design example a church building has a square grid of 7. Grid floorribbed floor slab consists of beams spaced at regular intervals in. Example on structural design of waffle slab structville. The essentially oneway design of the system can be seen by the relative lengths and sections of the main beam, and the primary and secondary beams under the slab.
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