Design considerations for reinforced concrete flat slab floor system harshal deshpande1, radhika joshi2. Design of reinforced concrete structures ii twoway slabs 8 c. In this case however, each bay only has two columns on one side, and a rc wall on the other side. Find depth of slab using deflection control criteria. Flat slab analysis, design and detailing pdf civil engineering. Two way rcc slab designing tool in microsoft excel developed by shankar tayal a 3rd year student of school of infrastructure, indian institute of technology, bhubaneswar this is a part of his project economic design of two way rcc slabs under prof s. Iesese civil engineering objective papers from 2000 2017 pdf in single drive. The results indicate that post tensioned flat slabs are cheaper than the rcc slab systems.
Design procedure steps for one way slab slab design steps. Oneway and twoway slabs university of asia pacific. Analysis and design of rcc and posttensioned flat slabs considering seismic effect. Details title advanced structural concrete design flat slab design pages 154 language english format pdf size 12 mb download method direct download. In design mix, the proportions of cement, aggregates sand and gravel, water and mineral admixtures, if any, are actually designed, while in nominal mix, the proportions are nominally adopted. This site is like a library, you could find million book here by using search box in the header. Flat slab types of flat slab design and its advantages. L center to center distance between the support b depth of slab. The analysis and design follow the equivalent frame analysis method of the aci code, which considers a onebay wide strip of the floor system as a continuous frame. This building is designed by considering four cases with different floor systems. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Slab supported on two sides and bending takes place predominantly in one direction only is called one way slab.
The design of waffle slab is done in such manner so as to achieve better load distribution. Sloping slabs under gravity load would be subjected to bending and axial thrust. The institution of structural engineers the institution of civil engineers march 2000 manual for the design of reinforced concrete building structures to ec2. Two way rcc slab designing tool in microsoft excel developed by shankar tayal a 3rd year student of school of infrastructure, indian institute of technology, bhubaneswar.
Two way rcc slab designing excel sheet civil engineering. Flat slab for short span lengths and light distributed weight e. For those who do not know what are the des ign requirements of a slab. This educational solved example for the design of reinforced concrete flat slab with drop panel, and check for punching shear. Explore flat slab with free download of seminar report and ppt in pdf and doc format. Pdf reinforced concrete design or reinforced cement. I have developed a microssoft excel software for design of a two way rcc slab. Feb 22, 2018 civil engineering for construction informatics csi etabs 2016flat slab design, strip design and punching shear check please have a look in this video thank subscribe our youtube channel to get. Please select the grade of concrete for twoway slab construction. Punching of flat slabs design for shear at the column heads.
Various types of rcc slabs design of rcc structures. Department of mechanics, materials and structures english courses reinforced concrete structures code. They may be supported on two opposite sides only fig. Twoway flat plate concrete floor system design structurepoint. Department of mechanics, materials and structures english. Simply supported slab upliftment of corners continuous slab no upliftment. Modern slab systems have showed potentials for improvement in the conventional techniques of slab casting. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Civil engineering for construction informatics csi etabs 2016flat slab design, strip design and punching shear check please have a look in this. Oneway and twoway slabs oneway slabs transfer the imposed loads in one direction only.
Content introduction benefits design considerations design methodology analysis of flat slab detailing. The benefits of using insitu concrete flat slab construction should be investigated at the conceptual design stage. The slab has to carry a distributed permanent action of 1. 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. Advanced structural concrete design flat slab design. Reinforced cement concrete is a composite material is made of concrete and steel reinforcement.
Learn what is one way slab and two way slab along with their design and analysis process. 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 sk 33 section through slab showing stress due to moment. Design considerations for reinforced concrete flat slab floor. This paper deals with the comparative study of waffle slabs with flat slabs and conventional rcc slabs and highlights the advantage waffle slabs have over flat slabs and. Here are the steps for the design procedure for one way slab in steps. Twoway slab design panel select boundary condition of slab for upliftment of corners. Department of mechanics, materials and structures english courses. Reinforced concrete design 1 design of slab examples and. Before going to this topic, please read it there are two types of slab classification based on the direction of bending occurs in these slabs. Comparative study of rcc and prestressed concrete flat slabs. The reason is that typically with flat slab design examples and theory, the slab is always supported on all 4 edges by a column. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23.
Bending will take place in the two directions in a dishlike form. Reinforcement detailing of a slab is done based on its support conditions. Design considerations for reinforced concrete flat slab. Here below find the document for important 250 top reinforced. A civil engineer should study these lectures and materials for structural engineering acumen. This reinforced cement concrete rcc or reinforced concrete or reinforced concrete design books collection list is not the final book list. All books are in clear copy here, and all files are secure so dont worry about it. Design of a two way rcc slab structural engineering.
Design of rcc flat slab structure under earthquake loading. Analysis and design of rcc and posttensioned flat slabs. Comparative study of post tensioned and rcc flat slab in. Therefore in practice for spans up to 9 m, rcc flat slab dominates the prestressed concrete flat slab. Common practice of design and construction is to support the slab by beam and beams by. Bending will take place in the two directions in a dishlike fo. Twoway flat plate concrete floor system analysis and design. Slabs and flat slabs lecture 5 19 th october 2016 contents lecture 5 designing for shear in slabs including punching shear detailing solid slabs flat slab design includes flexure worked example exercise punching shear. The design of the posttension flat slab can be done by using load balancing and equivalent. The design mix concrete is preferred to the nominal mix as the former. Csi etabs 2016flat slab design, strip design and punching.
Form spans 9m to 12 m, prestressed concrete flat slab becomes economical and as the span increases its economical efficiency increases. A civil engineer must know all the aspects regarding the flat floor system. Flat slab is a reinforced concrete slab supported directly by concrete columns without. Guide to the design and construction of reinforced. Pdf analysis and design of rcc and posttensioned flat. Guide to the design and construction of reinforced concrete.
Punching of flat slabs design for shear at th e column heads. The best flat slab analysis, design and detailing related pdf and slides are provided here altogether. Slab may be supported on walls or beams or columns. This is a part of his project economic design of two way rcc slabs under prof s. Flat slab is defined as one sided or twosided support system with sheer load of the slab being concentrated on the supporting columns and a square slab called drop panels.
Dhang, department of civil engineering, iit kharagpur. Designing for shear in slabs including punching shear. The diameter of the column head support a flat slab, is generally kept a 0. Design of slab for flexure 067 m unit width of slab. Would this in your view still be considered as a typical flat slab in terms of design. Keywords rc flat slab, direct design method ddm, equivalent frame. Reinforced concrete flat slab structural engineering.
A flat slab is a reinforced concrete slab supported directly by concrete columns without the. Find the following parameters for design moments in step 2 per unit width step 4 note. Flat slab analysis and design free version download for pc. Slab supported directly by columns are called flat slab. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment.
Home mcq rcc design rcc structures design objective practice set 01 rcc structures design objective practice set 01. 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. I am submitting it to you and i want students or professional engineers to download it and use it for their studies or projects. The benefits associated with flat slab construction may well outweigh those of other structural solutions, which could be more complicated, timeconsuming and ultimately more costly. These materials are originally located at different websites. Direct design method ddm for slab systems with or without beams loaded only. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Recent advances in the field of rcc design are linked to the use of flat slabs and grid floors. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Structural concrete structures reinforced concrete construction. Design of one way and two way slabs, design of staircases.
Design of rcc flat slab structure under earthquake loading using etabs. Design of reinforced concrete structures ii twoway slabs 1 1. Lecture series on design of reinforced concrete structures by prof. This construction video tutorial briefly explains beam reinforcement detailing alias rcc beam. Analysis and design of rcc and posttensioned flat slabs considering seismic effect article pdf available january 20 with 2,000 reads how we measure reads. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab.
Flat slab analysis, design and detailing pdf civil. Read online analysis and design of rcc and posttensioned flat slabs. Flat slab seminar report, ppt, pdf for civil engineering. The gravity loads of the slabs are directly transferred to the columns. Flat slab system is an important division of concrete floor system. The top and best reinforced cement concrete rcc books collection are listed in the below table as well as reinforced cement concrete rcc books pdf download link. Tech civil, ccet, puducherry design of rcc structures unit 1 1. Cross sectional constant defines torsional properties c x. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Application of limit state method to rectangular beams for flexure, shear, bond and torsion.
Design of rcc structures civil engineering projects. Must watch basics of flat slab for better understanding from the link given below. One way slabs are such slabs in which the loads are shared only by the shorter direction of the. The reinforcement for the column strip was design for the direction from easttowest only. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. How to design a flat slab, step by step explained in this video.
Also explore the seminar topics paper on flat slab with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. It may be mainly two parts, they are 1 with drops, 2 without drop and these two models are modeled with shear walls at corners. Aci318 code provides two design procedures for slab systems. Seismic detail of rcc column standards of column details. Flat slabs are highly versatile elements widely used in construction, providing minimum depth. The two classifications are oneway slab and twoway slab. Also, learn the difference between one way slab vs two way slab. For the application of design procedure an office building is considered as a case study. Prefabricated slab 3 coffered slab 4 flat slab 5 post tension slab. If the problem is statically determinate, the equilibrium equations would. Design of a two way rcc slab structural engineering forum. Based on the boundary condition, you can determine the axial thrust and the bending moment.
Twoway reinforced concrete slab design clear longer span of slab please enter the longer span dimension of slab panel. Section 3 general design consideration 18 bases rlr design 18. The benefits of using insitu concrete flat slab construction should be. Flat slab types of flat slab design and its advantages flat slab is a reinforced concrete slab supported directly by concrete columns without the use of beams. Details title advanced structural concrete design flat slab design pages 154 language english format pdf size 12 mb download method direct download home. The lateral loads are independently resisted by shear walls. Comparative study of waffle slabs with flat slabs and. Flat slab analysis and design pdf flat slab design pdf 1. Pdf design of reinforced concrete flat slab with drop. The ribs are reinforced with steel to resist flexural tensile stresses. Both the systems are analyzed using rapt and etabs respectively which is based on the design methodology. The concrete floor slab system shown below is for an intermediate floor to be. Twoway joist concrete slab floor waffle slab system.
May 31, 2010 civil engineering projects i take the vision which comes from dreams and apply the magic of science and mathematics, adding the heritage of my profession and my knowledge of natures materials to create a design. One way slab being supported on two opposite sides only leads to the structural action in single direction. Design of reinforced concrete structures ii twoway slabs. Here below list shows the mostly used reinforced cement concrete rcc or reinforced concrete or reinforced concrete design books by students of top universities, institutes and colleges. Limit state of collapse and limit state of serviceability. Here, we are mainly depending on design of flat slab rcc structure in four different types.
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