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. The design procedure includes determini ng slab thickness based. 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. Find the following parameters for design moments in step 2 per unit width step 4 note. Based on the test information the design rational shall be established by. 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.
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. The floor system of a structure can take many forms such as in situ solid slab, ribbed slab or precast units. Reinforced flat slab design spreadsheet flat slab system is an important division of concrete floor system. 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. Structural concrete structures reinforced concrete construction.
There is a nominal strength that is reduced by a factor which must exceed the factored design stress. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. This report covers the design of slabs on grade for loads caused by material stored directly on the slab or on. Association for reinforced and prestressed concrete, on behalf of the the italian. 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. Etabs 2016 design of reinforced concrete building 12 duration. Twoway concrete floor slab with beams design and detailing csa. Aug 27, 2016 download reinforced concrete design design theory and examples third edition pdf. Asce, secb course content slab on grades construction. And for this calculation, the measurement of reinforced concrete works likebeams, slab foundation, columns, and base foundations is really very important. Staircase design design a straight reinforced concrete stairs supported by reinforced concrete beams at both ends.
Concrete slab resting on grade containing steel reinforcement which consists of either a welded wire fabric or deformed reinforcing steel bars. Unless otherwise noted, all referenced table, figure, and equation numbers are from that book. Reinforced concrete tanks design examples free pdf file. Concrete slab rest ing on grade cont aining steel reinforcement which consists of either a welded wire fabric or deformed reinforcing steel bars. The design bending moment of this onewaytwoway slab should be determined and reinforcements should be calculated as we learned previously in slab design. The composite slab shall be designed as a reinforced concrete slab with the steel deck acting as the positive reinforcement.
Tm 580912 concrete floor slabs on grade subjected to. Twoway joist concrete slab floor waffle slab system. A typical example of the decking layout for a composite floor is shown in. In lieu of detailed calculation for deflections, csa a23. The first example is of multigirder form, the second is of ladderdeck form. Errata are not included for collections or sets of documents such as the aci collection. Landing slabs at both ends of the stairs are cast together connecting the stairs.
Introduction concrete slabs on grade are a very common type of concrete construction. Design of slab for flexure 067 m unit width of slab. Pdf reinforced concrete design reinforced concrete. 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. 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.
Reinforced concrete design examples civil engineering community. When a concrete slab is constructed monolithically with the supporting con. Flat slab system is an important division of concrete floor system. 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.
Chapter 3 design of rectangular beams and oneway slabs. A civil engineer must know all the aspects regarding the flat floor system. 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. Pdf files in the structure component plans for each bridge number following the. The preparation of this document was funded and commissioned by the metal. Iso saf120108m4rev2 berkeley, california, usa version 12 december 2010 safe design of slabs, beams and foundationis reinforced and posttensioned concrete filename. This guide covers the design and construction of composite slabs and beams, and. Oneway and twoway slabs university of asia pacific. 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. The lateral loads are independently resisted by shear walls. Conceptual design and design examples for multistorey buildings dr. Guide to the design and construction of reinforced concrete. Design of fibre reinforced concrete beams and slabs. Equivalent tensile stress design appendix 5 examples using shrinkagecompensating concrete, p.
The following example illustrates the design methods presented in the pca book simplified design reinforced concrete buildings of moderate size and height third edition. Reinforced concrete design 1 design of slab examples and. Other important design parameters include the following. Frame leg support this example demonstrates entering a reinforced concrete frame 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. Concrete design software pca structurepoint reinforced. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for. 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. 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. Chapter 3 design of rectangular beams and oneway slabs 12. The examples cover the principal steps in the verification of 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. Design of reinforced concrete structures ii twoway slabs.
Sep 17, 2010 design of reinforced concrete slab unit no 3. 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. The floor system of a structure can take many forms such as in situ solid slabs, ribbed slabs or precast units. Bss090119991 abstract this design example illustrates the empirical design method for composite concrete bridge decks specified in article 9. Manual for design and detailing of reinforced concrete to the.
All qaqc documentation, including check prints, design calculations, etc. Reinforced concrete masonry strength design reduction factors for flexure and shear are based on aci 530 and are 0. Slabs shall be designed as simple or continuous spans under uniform loads section 5. Reinforced concrete slab an overview sciencedirect topics. The benefits of using flat slab construction are becoming increasingly recognized. A flat slab is a reinforced concrete slab supported directly by concrete columns without the. A typical stressstrain diagram for reinforcing steel is shown in fig. 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. Plan view of floor system assume partitions will not be damaged by deflections. Based on the test information the design rational shall be.
Manual for design and detailing of reinforced concrete to september 20 the code of practice for structural use of concrete 20 contents 1. Reinforced concrete design 1 design of slab examples. Recommendations for finite element analysis for the design. Precast concrete strength reduction factors are based on aci 318 and are 0.
Concrete slab design beam design concrete calculator. Accordingly, main reinforcement is required in the two directions. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. The following example illustrates the design methods presented in the article timesaving design aids for reinforced concrete, part 2. Design of reinforced concrete structures ii twoway slabs 1 1. Unless otherwise noted, all referenced table, figure, and equation numbers are from that article. The slab has to carry a distributed permanent action of 1. Eurocode 2 worked examples the concrete initiative. This publication presents worked examples of the detailed design of two composite highway bridges. Design of members and structures of reinforced concrete is a problem distinct from but. 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.
Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. Manual for design and detailings of reinforced concrete to code of practice for structural use of concrete 2004 housing department may 2008 version 2. As with most rocks, concrete is very strong in compression, but very weak in tension. The contents of this stresses professional applications, as the lecturer. 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. Reinforced concrete slab design using the empirical method. For example in design of steel structures, this allowable stress will be in the elastic.
Example building below is a partial plan of a typical floor in a castin. 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. Conceptual design and design examples for multistorey. Fundamentals of posttensioned concrete design for buildings part one. Pdf structural design analysis of reinforced concrete. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. The construction and design of concrete slabs on grade d. The reinforcement or prestressing steel may be provided for the effects of shrinkage and temperature or for structural loading. Fip 8 design and specification of fiberreinforced concrete. Hence, graduates of every civil engineering programme must have basic understanding of the. 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 finite element method is commonly used to design the reinforcement in concrete slabs.
Photo courtesy of thinkstock centers for disease control. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Mar 05, 2015 reinforced concrete design examples chapter 1 reinforced concrete structures, introduction, reinforced concrete members, download. Structurepoint, formerly the pca engineering software group, offers concrete design software programs updated to aci 31814 for concrete buildings, concrete structures and concrete tanks. Manual for design and detailings of reinforced concrete to.
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. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. Archanaa dongre 3 1 assistant pr ofessor, vid ya jyothi in stitute of technology, hyderabad, 500081. Reinforced concrete design examples geotec software. The following example illustrates the example building. Bending will take place in the two directions in a dishlike form. Reinforced concrete slab design and detailing guide is456. Design of rectangular beams and oneway slabs 12 h a 12 strip in a simply supported one way sl ab h.
Design of staircase examples and tutorials by sharifah maszura syed mohsin tutorial 1. Reinforced concrete structural software includes programs for column design pcacolumn, beam design pcabeam, slab design pcaslab, wall design pcawall. 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. Load transfer in a oneway slab, b twoway slab nilson fig. Fanella, which appeared in the october 2001 edition of structural engineer magazine.
Sci p300 composite slabs and beams using steel decking best. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. The slab may be plain, reinforced, or prestressed concrete. The building is located in seismic zone iii on a site with medium soil. Frm1 reinforced concrete frame example topics covered reinforced concrete slab input as girderline. The moment of inertia for the effective beam and slab sections can be calculated as follows. Manual for design and detailing of reinforced concrete to.
Design of reinforced concrete retaining wall toe bs 8002. Chapter 8 design of posttensioned slabs on grade, pg. The construction and design of concrete slabs on grade. Fundamentals of posttensioned concrete design for buildings. 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. 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. Flat slab analysis, design and detailing pdf civil engineering. Reinforced concrete design beam structure reinforced. Pdf reinforced concrete building modeling by staadpro.
Oneway simply supported slab, span length, l 10 ft normal weight concrete. Teaching reinforced concrete design with mathcad application. Aci 360r10 guide to the design of slabs onground 2. Design small foundations and slabson grade without haunches.
Equivalent tensile stress design appendix 5examples using shrinkagecompensating concrete, p. Therefore, until the advent of reinforced concrete in the 1800s, concrete and masonry structures mainly resisted only compressive forces. 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. In 2006, aci committee 302 completed work on a second document, guide for concrete slabs that receive moisturesensitive flooring materials. Prohibit the manual placement of metal decking or forms. 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. Twoway concrete slab on beams floor analysis and design. The design procedure includes determining slab thickness based. 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. Using the following information, design the staircase. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Ce 479 fall 05compositefloor decks purdue university. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions.
Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology abstract. 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. A six storey building for a commercial complex has plan dimensions as shown in figure 1. Title reinforced concrete slab design using the empirical method publication no. Pdf cost optimum design of reinforced concrete simply. Reinforced concrete slabs are used in floors, roofs and walls of buildings and as the decks of bridges. Any applicable errata are included with individual documents at the time of purchase. Manual for design and detailing of reinforced concrete to the september 20 code of practice for structural use of concrete 20 2. Steel beams supporting precast concrete slabs span range5 to 10 m structure depth 500 to 900 mm.
Design small foundations and slabsongrade without haunches. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. 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. Download reinforced concrete design design theory and.
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