Oct 05, 2019 reinforced flat slab design spreadsheet flat slab system is an important division of concrete floor system. The example presented here is for twoway posttensioned design. Department of mechanics, materials and structures english courses. After that follows a detailed of limit procedures for the ultimate analysis and design of flat slab using general lower bound theory for strip method and upper. The slab has to carry a distributed permanent action of 1. The design procedure set forth in that publication had at that time been in use by the author for about 15 years. Reinforced concrete design 1 design of slab examples. The efm solution is also used for a detailed comparison with the analysis and design results of the engineering software program spslab. The engineering community understands shrinkage cracking for the most part, but the gen.
Flat plate slab is that in which slab is directly supported on columns without column capital, drop panel or beams. Csi safe, design of flat slab, slab design considerations. 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. Excel sheet to design flat slab common practice of design and construction is to support the slabs by beams and support the beams by columns.
The beams reduce the available net clear ceiling height. Where can i find a detailed explanation of a flat slab reinforcement. Doc design and analysis of flat slab floor system for. Guide to the design and construction of reinforced concrete. Excel sheet to design flat slab the engineering community. Analysis and design of slabs two way civil engineers pk. Next article industrial steel warehouse design and. Rcc design and detailing could be performed for ten different boundary conditions option to save the design projects in local storage. Paul doctoral thesis dissertation engineering civil engineering publish your bachelors or masters thesis, dissertation, term paper or essay. By the end of this article, youll be desperate for a flat roof house, we can almost guarantee that. The benefits of using insitu concrete flat slab construction should be. 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. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place.
Slab resting on walls or sufficiently deep and rigid beams on all sides. Analysis and design of flat slab and grid slab and their cost. While the way designers use color changes dramatically based on trends and time periods, we are definitely designing in the decade of vibrant. How to design flat slab with drop panel in robot youtube.
Flat slab analysis and design free version download for pc. These materials are originally located at different websites. Guide to the design and construction of reinforced. Computers are frequently used to analyse flatslab structures, and grillage analysis is frequently adopted. China building industry press flat concrete slab staircase method of universal design c1012 flat law written by the founder of professor chen qinglai c101 series flat law of universal. Twoway slabs have two way bending unlike oneway slab. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. If the severity of the soil is underestimated, the.
All columns are 230 x 450mm, the grade of concrete f ck is 30 nmm 2, and the yield strength of the reinforcement f yk is 500 nmm 2. 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. Strength investigation and strengthening of existing floor slabs. It was a five story reinforced concrete rc building with underground 4 floors and was built using a technique called flat slab construction. Slab is a broad and flat structural member mainly used on modern building. Introduction a reinforced concrete flat slab, also called as beamless slab, is a slab supported directly by columns without beams. Flat slab seminar report, ppt, pdf for civil engineering.
It gives guidancefor the design of flat slabs typically with spans up to 9m. Cost optimisation of reinforced concrete flat slab buildings. The design i am going to share with you today is design of flat plate slab as by definition. All the designs details are available in every of reinforced cement concrete design book and designing of ptflat slab. Details title advanced structural concrete design flat slab design pages 154 language english format pdf size 12 mb download method direct download. The flat slab is a twoway reinforced concrete slab that usually does not have beams and girders, and the loads are transferred directly to the supporting concrete columns. Lecture series on design of reinforced concrete structures by prof. Explore flat slab with free download of seminar report and ppt in pdf and doc format. Reinforced flat slab design excel sheet engineering books. Structural design of flat raft foundation rigid approach. You can consider it as beam with breadth more than 1m directly resting on column. Analysis and design of flat slab and grid slab and their cost ijera.
Sep 14, 2016 trimble is an international company focusing on positioningrelated technology for different industries. Framing dead load selfweight superrimposed dead load 25 psf partitions, me, misc. Engineering books civil design excel sheets excel sheet to design flat slab according to eurocode. Flat slab structural design technical measures chinese edition 97871127473 by yu zhen zhou and a great selection of similar new, used and collectible books available now at great prices. Different types of shear reinforcement used at column. Department of mechanics, materials and structures english. Csi safes slab design considerations prior to analysis. A general stepbystep procedure was developed for designing flat slab structures to resist dynamic blast loads. Punching of flat slabs design for shear at th e column heads 12.
Design methodology design methodology simplified method table 3. Abstract recently, flat slab buildings are commonly used for the construction because use of flat slab building provides many advantages over conventional rc frame building in terms of economical, use of space, easier formwork, architectural flexibility and importantly shorter construction time. The column tends to punch through the slab in flat slabs, which can be treated by three methods. Flat slab design tekla structural designer user assistance.
Tekla software solutions for advanced building information modeling and structural engineering are part of trimble offering. In general, the design of slab become more simpler because compression. 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. The following example illustrates the design methods presented in aci 31805 and ibc 2003. Flat slab sized for punching shear and deflection additional reinforcement added to span steel to reduce deflections typically 25% extra on a 7. What is the maximum length of the span for a flat slab.
Analysis and design of flat slab by aci code with matlab. Comprehensive, uptodate coverage of reinforced concrete slabsfrom leading authorities in the field. Department of mechanics, materials and structures english courses reinforced concrete structures code. Flat slab is used when column and beam in the structure is undesirable like in cinema hall when you look around there will be no beams or column. It is desired to design the raft slab shown below to support the column loads for a building as given below. This report is intended to serve as a manual of good practice for the design of prestressed concrete flat slabs in addition to the recommended procedures, other methods are described for the sake of completeness and to compare different methods of design. Flat slab analysis, design and detailing pdf civil engineering. Aci code has specified the fixed coefficients for lateral and transverse distribution of moments as per direct. Flat slab types of flat slab design and its advantages. Flat concrete slab staircase method of universal design.
Flat concrete slab staircase method of universal design c1012chinese edition chen qing lai on. Punching of flat slabs design for shear at th e column heads. Previous article design all footings at once etabs to staad foundation advanced. Civil engineering spreadsheets, civil engineering e books and many more civil engineering downloads. Comprehensive, uptodate coverage of reinforced concrete slabs from leading authorities in the field. Aug 30, 2014 the design i am going to share with you today is design of flat plate slab as by definition. A civil engineer should study these lectures and materials for structural engineering acumen. 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. 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. 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. Two way slab design excel sheet all about free books. The design approach,adopted in this report is in accordance with eurocode 2, unless otherwisestated, and the appropriateclauses, figures, tables and expressionsfrom the code are indicated. Resources used for compiling this presenta4on are acknowledged 3.
Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Flat slabs examples of the design of reinforced concrete. This design is a complete flat plate slab design, from shear to bending along with design of columns and shear head reinforcement. Using a drop panel and a column capital in flat slab. Flat slab analysis, design and detailing pdf civil. Common practice of design and construction is to support the slabs by beams and support the beams by columns. Flat slab with drop panels flat slab with column head flat slab with drop panel and column head flat slab resting directly on columns 1. After this publication, it was subsequently adopted by the uniform building. A flat slab is a reinforced concrete slab supported directly by concrete columns without the use of beams.
The objective function is the total cost of the building including the. Flat slab design structural analysis beam structure scribd. The allowable bearing capacity for the supporting soil is 60 knm 2. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Dec 26, 2017 excel sheet to design flat slab according to eurocode. Bm and sf coefficients for flat slab or 3 or more equal spans outer support. The flat slab is a twoway reinforced concrete slab that usually does not have beams and girders, and the loads are transferred directly to the supporting concrete columns the column tends to punch through the slab in flat slabs, which can be treated by three methods using a drop panel and a column capital in flat slab. Paul doctoral thesis dissertation engineering civil engineering publish your bachelors or masters thesis, dissertation, term paper or. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Advanced structural concrete design flat slab design. Flat slab system is an important division of concrete floor system. The length and width of slab is much higher than that of its thickness. Dhang, department of civil engineering, iit kharagpur.
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. Regardless of how new or modern a house is, there is a good chance that it will be topped off with a flat roof now, but if you cant picture how great they look, we have all the pictures to prove it to you, right here. Rcc slab design is a free app for designing one way and two way reinforced concrete slab systems as per indian standards. Excel sheet to design flat slab according to eurocode. Cost optimisation of reinforced concrete flat slab buildings according to the british code of practice bs8110 is presented. Generally slab thickness varies between 4 to 20 inches where as its length and width varies between 10 to. The design of slab elements in a structure is one of the major structural design tasks to be carried out during the structural design of building structures. Blast design procedure for flat slab structures dtic. A civil engineer must know all the aspects regarding the flat floor system. Useful rcc slab design app with clean and intuitive user interface. Using a drop panel without a column capital in flat.
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