A civil engineer must know all the aspects regarding the flat floor system. Chapter 8 design of posttensioned slabs on grade, pg. Twoway concrete floor slab with beams design and detailing csa. Ce 433, fall 2006 slab design example 1 6 design a oneway slab for an exterior bay of a multistory office building using the information specified below.
Landing slabs at both ends of the stairs are cast together connecting the stairs. Reinforced concrete structural software includes programs for column design pcacolumn, beam design pcabeam, slab design pcaslab, wall design pcawall. Twoway joist concrete slab floor waffle slab system. Photo courtesy of thinkstock centers for disease control. The goals of aci committee 360 are to provide guidance for designers in planning, analyzing, specifying, and detailing slabs on ground, which will offer the expected serviceability under the anticipated. Design of fibre reinforced concrete beams and slabs. Design of rectangular beams and oneway slabs 12 h a 12 strip in a simply supported one way sl ab h. Reinforced concrete design reinforced concrete design twoway slabs design of twoway slab moment coefficient method load transfer from twoway slab bar detailing design example slab. Fip 8 design and specification of fiberreinforced concrete. Download reinforced concrete design design theory and. Etabs 2016 design of reinforced concrete building 12 duration. Elements of reinforced concrete design concrete is basically an artificial or manmade stone made of a mixt ure of fine aggregate sand and coarse aggregate crushed rock, or gravel, he ld together with a paste of cement and water. The composite slab shall be designed as a reinforced concrete slab with the steel deck acting as the positive reinforcement. The reinforcement or prestressing steel may be provided for the effects of shrinkage and temperature or for structural loading.
When a concrete slab is constructed monolithically with the supporting con. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. The design procedure includes determini ng slab thickness based. Hence, graduates of every civil engineering programme must have basic understanding of the. The design bending moment of this onewaytwoway slab should be determined and reinforcements should be calculated as we learned previously in slab design. Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. Flat slab analysis, design and detailing pdf civil engineering. Twoway concrete slab on beams floor analysis and design. Reinforced concrete slab design and detailing guide is456. Design of fibre reinforced concrete beams and slabs master of science thesis in the masters programme structural engineering and building performance design ammar abid, kenneth b. Design steel beam verification of bending resistance r9 to r10 7 shear resistance r11 to 12 8 serviceability limit state verification r12 9 check bearing stress within concrete padstone under the steel beam r 10 check bearing stress under the concrete padstone r14 11 replacement roof slab construction sequence r15.
Design of slab for flexure 067 m unit width of slab. Manual for design and detailing of reinforced concrete to the september 20 code of practice for structural use of concrete 20 2. Unless otherwise noted, all referenced table, figure, and equation numbers are from that book. Equivalent tensile stress design appendix 5examples using shrinkagecompensating concrete, p. Design of reinforced concrete, 10th edition by jack mccormac and russell brown, introduces the fundamentals of reinforced concrete design in a clear and comprehensive manner and grounded in the basic principles of mechanics of solids. Oneway simply supported slab, span length, l 10 ft normal weight concrete. The design procedure includes determining slab thickness based. Any applicable errata are included with individual documents at the time of purchase. The finite element method is commonly used to design the reinforcement in concrete slabs. Concrete slab design procedure7 design of continuous slab basics of reinforced concrete slab design slabs are generally designed on the assumption that they consists of a number of beams of breadth one. Iso saf120108m4rev2 berkeley, california, usa version 12 december 2010 safe design of slabs, beams and foundationis reinforced and posttensioned concrete filename. Aug 27, 2016 download reinforced concrete design design theory and examples third edition pdf. Errata are not included for collections or sets of documents such as the aci collection.
The floor system of a structure can take many forms such as in situ solid slab, ribbed slab or precast units. The floor system of a structure can take many forms such as in situ solid slabs, ribbed slabs or precast units. Concrete design software pca structurepoint reinforced. Pdf reinforced concrete building modeling by staadpro. Fundamentals of posttensioned concrete design for buildings part one. Design of staircase examples and tutorials by sharifah maszura syed mohsin tutorial 1. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions. Ce 479 fall 05compositefloor decks purdue university. A six storey building for a commercial complex has plan dimensions as shown in figure 1. Pdf structural design analysis of reinforced concrete. Equivalent tensile stress design appendix 5 examples using shrinkagecompensating concrete, p. Oneway and twoway slabs university of asia pacific.
Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for. Reinforced concrete design 1 design of slab examples. Aug 27, 2015 guide to the design and construction of reinforced concrete flat slabs contents membersof the projectsteeringgroup list of tables vii iv list of figures v 1.
Reinforced concrete design 1 design of slab examples and. Flat slab system is an important division of concrete floor system. Mar 05, 2015 reinforced concrete design examples chapter 1 reinforced concrete structures, introduction, reinforced concrete members, download. Design of members and structures of reinforced concrete is a problem distinct from but. Structurepoint, formerly the pca engineering software group, offers concrete design software programs updated to aci 31814 for concrete buildings, concrete structures and concrete tanks.
Archanaa dongre 3 1 assistant pr ofessor, vid ya jyothi in stitute of technology, hyderabad, 500081. Other important design parameters include the following. The construction and design of concrete slabs on grade. Reinforced concrete design ence 355 introduction to structural design department of civil and environmental engineering university of maryland, college park columns part i concrete design and analysis fall 2002 by dr. Reinforced concrete design examples geotec software. Sci p300 composite slabs and beams using steel decking best. Based on the test information the design rational shall be. Reinforced concrete beam member d roof and floor slabs l25 light beams l15 heavy beams and girders l12l10 l is the span of the beam or slab in inches millimeters. The design of reinforced masonry and precast concrete lintels. Sep 17, 2010 design of reinforced concrete slab unit no 3. A flat slab is a reinforced concrete slab supported directly by concrete columns without the. In order to simplify the analysis and to be able to use the superposition principle for evaluating the effect of load combinations, linear analysis is generally adopted even though concrete slabs normally have a pronounced nonlinear response.
The slab may be plain, reinforced, or prestressed concrete. Therefore, until the advent of reinforced concrete in the 1800s, concrete and masonry structures mainly resisted only compressive forces. Aci 360r10 guide to the design of slabs onground 2. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology abstract. Fundamentals of posttensioned concrete design for buildings. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Conceptual design and design examples for multistorey buildings dr. The following example illustrates the design methods presented in the article timesaving design aids for reinforced concrete, part 2. Prohibit the manual placement of metal decking or forms. Introduction concrete slabs on grade are a very common type of concrete construction. Chapter 3 design of rectangular beams and oneway slabs 12. How to measure the reinforced concrete works before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. Unless otherwise noted, all referenced table, figure, and equation numbers are from that article. Manual for design and detailings of reinforced concrete to code of practice for structural use of concrete 2004 housing department may 2008 version 2.
Manual for design and detailings of reinforced concrete to. Reinforced concrete tanks design examples free pdf file. An example is carried out to design a spread footing according to ec 2, din 1045, aci and ecp codes. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Design small foundations and slabson grade without haunches. Using the following information, design the staircase. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. Precast concrete strength reduction factors are based on aci 318 and are 0. Manual for design and detailing of reinforced concrete to. There is a nominal strength that is reduced by a factor which must exceed the factored design stress. Find the following parameters for design moments in step 2 per unit width step 4 note. Eurocode 2 worked examples the concrete initiative. Twoway joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf. And for this calculation, the measurement of reinforced concrete works likebeams, slab foundation, columns, and base foundations is really very important.
The following example illustrates the example building. This work is intended to all students of mizan teppi university, ethiopia, engineering campus, most especially to my students in construction technology and management cotm. Manual for design and detailing of reinforced concrete to september 20 the code of practice for structural use of concrete 20 contents 1. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. In 2006, aci committee 302 completed work on a second document, guide for concrete slabs that receive moisturesensitive flooring materials. The lateral loads are independently resisted by shear walls. Slabs shall be designed as simple or continuous spans under uniform loads section 5. Reinforced concrete slab an overview sciencedirect topics. Reinforced concrete design beam structure reinforced. Structural design standards for reinforced concrete are established by the building code and commentary aci 31811 published by the american concrete institute international, and uses strength design also known as limit state design. Bending will take place in the two directions in a dishlike form. Example building below is a partial plan of a typical floor in a castin.
Students build on their understanding of basic mechanics to learn new concepts such as compressive stress and strain in concrete, while applying current aci code. Concrete slab design beam design concrete calculator. Example 1 reinforced concrete building modeling using concept of autogeneration method by staadpro v8i software, sketch and construct the idealization numbering of joints and members. The contents of this stresses professional applications, as the lecturer. A typical example of the decking layout for a composite floor is shown in. The benefits of using flat slab construction are becoming increasingly recognized. Notes author staff bridgesight software sponsor bridgesight software. Title reinforced concrete slab design using the empirical method publication no. Under reinforced beams if a beam is under reinforced and the ultimate load is approached, the steel will begin to yield even though the compression concrete is still understressed strain reinforced beams if a beam should be over reinforced, the steel will not yield before compression concrete failure concrete strain 0.
Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Frm1 reinforced concrete frame example topics covered reinforced concrete slab input as girderline. Design of reinforced concrete 10th edition pdf free download. Design small foundations and slabsongrade without haunches. Pdf reinforced concrete design reinforced concrete. Reinforced flat slab design spreadsheet flat slab system is an important division of concrete floor system. Reinforced concrete slab design using the empirical method. Conceptual design and design examples for multistorey. For example in design of steel structures, this allowable stress will be in the elastic. Teaching reinforced concrete design with mathcad application. Reinforced concrete slabs are used in floors, roofs and walls of buildings and as the decks of bridges.
Accordingly, main reinforcement is required in the two directions. All qaqc documentation, including check prints, design calculations, etc. Association for reinforced and prestressed concrete, on behalf of the the italian. Load transfer in a oneway slab, b twoway slab nilson fig. Design of reinforced concrete structures ii twoway slabs 1 1. The preparation of this document was funded and commissioned by the metal. Steel beams supporting precast concrete slabs span range5 to 10 m structure depth 500 to 900 mm. Reinforced concrete masonry strength design reduction factors for flexure and shear are based on aci 530 and are 0.
A typical stressstrain diagram for reinforcing steel is shown in fig. The construction and design of concrete slabs on grade d. The moment of inertia for the effective beam and slab sections can be calculated as follows. The building is located in seismic zone iii on a site with medium soil. Slabs may span in one direction or in two directions and they may be supported on monolithic concrete beams, steel beams, walls or directly by the structures columns. Manual for design and detailing of reinforced concrete to the. Bss090119991 abstract this design example illustrates the empirical design method for composite concrete bridge decks specified in article 9. This guide covers the design and construction of composite slabs and beams, and.
Equivalent frame method twoway slab twoway slab twoway slab example design a simply supported one way reinforced concrete floor slab has a span of 3m. This publication presents worked examples of the detailed design of two composite highway bridges. Concrete slab rest ing on grade cont aining steel reinforcement which consists of either a welded wire fabric or deformed reinforcing steel bars. A finite element model may be created to analyse a complicated loading arrangement. Recommendations for finite element analysis for the design.
As with most rocks, concrete is very strong in compression, but very weak in tension. Reinforced concrete ptd process tasks perform a hazard analysis incorporate safety into the design documents make a cad model for member labeling and erection sequencing photo courtesy of thinkstock adapted from toole 2005. Pdf files in the structure component plans for each bridge number following the. The slab has to carry a distributed permanent action of 1. This report covers the design of slabs on grade for loads caused by material stored directly on the slab or on. The first example is of multigirder form, the second is of ladderdeck form. Now, in this section of the article, you will be able to get access to the design of reinforced concrete 10th edition pdf free download file in. 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.
Chapter 3 design of rectangular beams and oneway slabs. Asce, secb course content slab on grades construction. In lieu of detailed calculation for deflections, csa a23. Based on the test information the design rational shall be established by. Staircase design design a straight reinforced concrete stairs supported by reinforced concrete beams at both ends. Plain and reinforced concrete specification may 2017 process industry practices page 5 of 16 concrete structures in concrete documents, any placement of concrete designated in contract documents as mass concrete shall also be in accordance with section 8 of aci 350. Pdf cost optimum design of reinforced concrete simply. Tm 580912 concrete floor slabs on grade subjected to. Design of reinforced concrete structures ii twoway slabs. Guide to the design and construction of reinforced concrete.
The shear area of concrete is entered as input to some computer programs when the analysis is required to take into account the deformations due to shear. Plan view of floor system assume partitions will not be damaged by deflections. This document is a companion report to overview of fiber reinforced concrete bridge decks, which summarizes the experience from existing bridge deck and bridge deck overlay construction projects that have employed frc materials. Fanella, which appeared in the october 2001 edition of structural engineer magazine. Structural concrete structures reinforced concrete construction. The examples cover the principal steps in the verification of the. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. Reinforced concrete design examples civil engineering community. Reinforced concrete slabs, at least those designed to span in one direction, are no different conceptually from any other beams, with the following three caveats.
Concrete slab resting on grade containing steel reinforcement which consists of either a welded wire fabric or deformed reinforcing steel bars. Concrete slab design procedure7 design of continuous slab basics of reinforced concrete slab design slabs are generally designed on the assumption that they consists of. The design of reinforced concrete 10th edition pdf free download file has been uploaded to an online repository for the safer downloading of the file. Design of reinforced concrete retaining wall toe bs 8002.
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