Dhang, department of civil engineering, iit kharagpur. 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. Design methods are given for unreinforced concrete, reinforced concrete, shrinkagecompensating concrete, posttensioned concrete, fiberreinforced concrete slabsonground, and slabsonground in refrigerated buildings, followed by. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. The floor system of a structure can take many forms such as in situ solid slabs, ribbed slabs or precast units.
Manual for design and detailing of reinforced concrete to the september 20 code of practice for structural use of concrete 20 2. 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. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. The book comprises chapters on theory of reinforced beams and slabs, torsion, doubly reinforced beams, water tanks, combines direct and bending stresses, and. Pdf optimum design of reinforced concrete waffle slabs. Reinforced flat slab design spreadsheet flat slab system is an important division of concrete floor system. 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 main objective of this project is to analyze and design a multistory building 3ddimensional reinforce concrete frame, the design of reinforced concrete slabs, beams, columns, footings and.
Bending will take place in the two directions in a dishlike form. This paper deals with the problem of optimum design of reinforced concrete twoway ribbed waffle slabs using genetic algorithms. Design of reinforced concrete structures ii twoway slabs. Manual for design and detailing of reinforced concrete to. Reinforced concrete design 1 design of slab examples and. To facilitate its familiarisation the institution of structural engineers and.
Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway. Continuously reinforced concrete pavement crcp contains continuous, longitudinal steel reinforcement without transverse joints, except where required for endofday header joints, at bridge approaches, and at transitions to other pavement structures. A flat slab is a reinforced concrete slab supported directly by concrete columns without the. Oneway and twoway slabs oneway slabs transfer the imposed. Istructe ec2 concrete design manual 9 foreword the eurocode for the design of concrete structuresec2 is likely to be published as a euronorm en in the next few years. Design of slab for flexure 067 m unit width of slab. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. The minimum clear spacing between parallel bars in a layer shall be d b, but not less than. Manual for design and detailing of reinforced concrete to the.
Introduction, definitions flat slabs are twoway slabs supported by pointlike supports. There is a nominal strength that is reduced by a factor which must exceed the factored design stress. Twoway flat plate concrete floor system analysis and design the concrete floor slab system shown below is for an intermediate floor to be designed considering partition weight 20 psf, and unfactored live load 40 psf. Comprehensive, uptodate coverage of reinforced concrete slabsfrom leading authorities in the field. Download free excel spreadsheet for concrete design of two way slab, voided biaxial slab, anchorage to concrete, anchorage to pedestal, circular column, concrete column, super. Purpose of building residential f ck 25 mpa f yk 460 mpa concrete cover 25 mm height of block wall 2. Pdf slabs are the flooring systems of most structures including office, commercial and residential buildings, bridges, sports stadiums and. Concrete slab rest ing on grade cont aining steel reinforcement which consists of either a welded wire fabric or deformed reinforcing steel bars. The benefits of using flat slab construction are becoming increasingly recognized. 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.
Following are the rcc slab design and detailing guidelines. When a concrete slab is constructed monolithically with the supporting con. It is therefore expected while the proposed design of the building is exemplary, the applicant has. Reinforced concrete design 1 design of slab examples. Reinforced concrete rc is a composite material in which concretes relatively. Design of reinforced concrete structures ii twoway slabs 1 1. 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. Structural design of reinforced concrete tall buildings. Download free excel spreadsheet for concrete design. Pdf design of reinforced concrete slabs ninos dinkha. Design of reinforced concrete 10th edition pdf free download. Find the following parameters for design moments in step 2 per unit width step 4 note. Continuous reinforcement is a strategy for managing the transverse.
Pdf reinforced concrete design or reinforced cement. 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. Reinforced concrete sk 33 section through slab showing stress due to moment. Direct design method ddm for slab systems with or without beams loaded only by gravity loads and. Tm 580912 concrete floor slabs on grade subjected to. The main objective of this project is to analyze and design a multistory building 3ddimensional reinforce concrete frame, the design of reinforced concrete slabs. Select reinforcing bars for the slab and concentrate bars near the column, if necessary 5. Fanella simplified design of reinforced concrete buildings, fourth edition, 2011 mahmoud e. The construction and design of concrete slabs on grade d. Select reinforcing bars for the slab and concentrate bars near the column, if necessary. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. Slabs are elements forming floor and roofs in building which normally carry uniformly distributed loads.
Reinforced concrete slab design guidelines the constructor. The reinforced concrete design manual sp1711 is intended to provide guidance and assistance to professionals engaged in the design of castinplace reinforced concrete structures. Design of slab examples and tutorials by sharifah maszura syed mohsin. Flat plate concrete floor system does not use beams between columns or.
The book comprises chapters on theory of reinforced beams and slabs, torsion, doubly reinforced beams, water tanks, combines direct and bending stresses, and design of beams and slabs. If shear reinforcement in the form of bars is used, the limit value of nominal shear strength. Accordingly, main reinforcement is required in the two directions. A civil engineer must know all the aspects regarding the flat floor system. Reinforced concrete design handbook the fifth edition is a complete revision of the reinforced concrete design handbook and brings it into line with the 2009 edition of as 3600 concrete structures and amendment no. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Concrete floor systems guide to estimating and economizing, second edition, 2002 david a. Offering an essential background for a thorough understanding of building code requirements and design procedures for slabs, reinforced concrete slabs, second edition provides a full treatment of todays approaches to reinforced concrete slab analysis and design. The slab has to carry a distributed permanent action of 1.
Students build on their understanding of basic mechanics to learn new concepts such as compressive stress and strain in concrete, while. The design procedure includes determini ng slab thickness based. Design beams if any, using procedures you learned in civl 45. The prestandard env for ec2 has now been available since 1992. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. Structural design of cantilever slabs solved example. This paper summarizes the tall buildings structural design experience gained by the structural design team. Design of reinforced concrete 10th edition pdf free. Tm 580912 concrete floor slabs on grade subjected to heavy. Reinforced concrete slabs are used in floors, roofs and walls of buildings and as the decks of bridges.
Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. Lecture series on design of reinforced concrete structures by prof. The lrfd bridge design specifications section 5 specifies the design requirements for concrete in all structural elements. Beams, girders, or slabs supported by columns or walls shall not be cast or erected until concrete in the vertical support members is no longer plastic. The construction and design of concrete slabs on grade. Determine the area of steel required in the slab at critical sections for column and middle strips. Manual for the design of reinforced concrete building. Oct 05, 2019 reinforced flat slab design spreadsheet flat slab system is an important division of concrete floor system. The first reinforced concrete design manual formerly titled aci design handbook was developed in. Design examples 84 the following style is used when referring to a section of aci 318 for which a change or insertion is proposed by the provisions. The tall buildings projects designed by the department are outlined. This chapter provides supplementary information specifically regarding the general properties of concrete and reinforcing steel and the design of reinforced concrete. Ramamrutham design of reinforced concrete structures is a comprehensive book for undergraduate students of civil engineering. Design of masonry short and long walls, columns and retaining walls.
Basic design criteria concentrically loaded d2 all sides c critical section for twoway shear b critical section for oneway shear a critical section for flexure outside face of concrete column or line midway between face of steel column and edge of steel base plate typical extent of footing typical. Member design reinforced concrete two way spanning. 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. Besides being a medic, he loves blogging, and he always strives hard to share the highquality content with others. In addition to general design guidance and information on detailing practices, this section contains three design examples. Design methods are given for unreinforced concrete, reinforced concrete, shrinkagecompensating concrete, posttensioned concrete, fiber reinforced concrete slabsonground, and slabsonground in refrigerated buildings, followed by information on shrinkage and curling problems.
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. It is used in one form or another for almost all structures, great or smallbuildings, bridges, pavements, dams, retaining walls, tunnels, drainage and irrigation facilities, tanks, and so on. Reinforced concrete slab design and detailing guide is456. Introduction concrete slabs on grade are a very common type of concrete construction. Slabs are generally designed on the assumption that they consists of a number of beams of breadth one meter. Advantages of reinforced concrete as a structural material. Department of mechanics, materials and structures english. Reinforced concrete may be the most important material available for construction.