Effects of lateral drift and internal member deformations may be considered. Design of reinforced concrete structures ii twoway slabs. Dhang, department of civil engineering, iit kharagpur. Rcc design and detailing could be performed for ten different boundary conditions option to save the design projects in local storage. It lets you design beams, joists, slabs and other oneway flexural members. Concrete floor systems offer the designer a wide variety of options from. The concrete centre publishes data sheets, brochures and technical publications, as well as software programmes, to assist all designers use concrete effectively. A slab is a structural element, made of concrete, that is used to create flat horizontal surfaces such as floors, roof decks and ceilings. However, there are some pitfalls to avoid, that often catch out the unwary. When it comes to concrete design for concrete beam design software, youll appreciate everything that our concrete beam design program has to offer. Otherwise, the results are likely to be on the unconservative side.
Design considerations for reinforced concrete flat slab floor system. Calculate and design concrete slabcolumn connections for punching shear, including the effects of unbalanced joint moments. Reinforced concrete design 1 design of slab examples. Safe will peform both traditional reinforced concrete design checks as well as posttensioned concrete design. Flat slabs are mostly recognized because of its benefits over. Tekla software solutions for advanced building information modeling and structural engineering are part of trimble offering. Posttensioned, reinforced concrete slab design software ram. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Im trying to resolve a way forward for flat slab reinforcement design using robot.
The benefits of using insitu concrete flat slab construction should be investigated at the conceptual design stage. Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. Concrete slab design software free download concrete. Concept designs prepared assuming detailed design would be to. Flat slab system is an important division of concrete floor system. Guide to the design and construction of reinforced concrete flat slab. Reinforced concrete slab and beam design software adaptrc. A civil engineer must know all the aspects regarding the flat floor system. Designing for shear in slabs including punching shear.
Breadth of slab is already fixed b mm shear stress are usually low in a slab except when there are heavy concentrated loads, and. Lecture series on design of reinforced concrete structures by prof. Mineral products association mpa is the trade association for aggregates, asphalt, cement, concrete, dimension stone, lime, mortar and silica sand industries. Flat slabs are particularly appropriate for areas where tops of partitions need to be sealed to the slab soffit for acoustic or fire reasons. Concrete slab design aspects tekla structural designer. The slab has to carry a distributed permanent action of 1. Orion flat slab design training column beam structure scribd. The program sizes up and compares conceptual designs to eurocode 2. Acknowledgements the work of preparingthis reportwas funded bythe concrete centre. Useful rcc slab design app with clean and intuitive user interface. Flat slab types of flat slab design and its advantages. A slab is generally several inches thick and supported by beams,columns, walls, or the ground. Part of the gse concrete design, it allows the user to quickly and efficiently generate design strips for any concrete slab directly linked to the automated functionalities of the line of integration using finite elements, this application allows the user to. A flat slab stands for a twoway reinforced concrete slab that generally does not contain beams and girders, and the loads are transmitted directly to the supporting concrete columns.
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. Quickly design and detail reinforcedconcrete column, beam and wall sections to multiple design codes with sconcrete, the concrete design software of choice by structural engineers worldwide. It analyses the stability of the wall based on the loads and resistances, and results in. The concrete centre provides material, design and construction guidance. For the diy concrete slab designer, there are extensive graphics and resources available to build a perfect slab for the kit home builder. Flat slab analysis, design and detailing pdf civil.
Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Concrete slabs in buildings designing buildings wiki. This article discusses effects of design and construction methods on slab levelness and elevation cont r ol during and after constru c t i o n. Flat slabs may have drop panels at columns and columns may have capitals. Design of rcc flat slab structure under earthquake loading. Content introduction benefits design considerations design methodology analysis of flat slab detailing. What is the best reinforced concrete design software. A floor can be flat and level, or flat but not level, or level but not flat, or level and flat but not at the specified eleva t i o n. Analyses are for a onebaywide strip using the equivalent frame analysis method of the aci code. Design of rcc flat slab structure under earthquake loading using etabs posted in concrete engineering. Flat slab analysis and design free version download for pc. Increase your efficiency with bidirectional links to the industry leading bim products. Safe is the ultimate tool for designing concrete floor. Orion flat slab design training free download as pdf file.
This dissertation aims at the flexure behaviour of reinforced concrete flat slabs in the. Fe analysis, is a popular powerful computer method of analysing flat slab concrete structures. Optimize a single section design or evaluate thousands of concrete sections at once. Concrete slab design aspects concrete type while you can apply both normal and lightweight. This allows exploitation of the buildings thermal mass in the design of. Flat slabs are considered to be faster and more economic than other forms of construction, as partition heads do not need to be cut around downstand beams or ribs. Our aim is to enable all those involved in the design, use and performance of concrete and. This course design of reinforced concrete slab gives you detailed understanding, explanations and procedures for the design of rc slabs. Flat slab construction reinforced concrete flat slab design. Reinforced concrete slab and beam design software adaptrc 2017 product overview an easytouse and learn software for the design, analysis, and investigation of reinforced nonprestressed concrete beams, beam frames, slabs and floor systems a must have production tool in every structural engineering office. Slab design much simpler than beam design concrete slabs behave primarily as flexural members and design is similar to that of beams, although in general much simpler because. How to design reinforced concrete flat slabs using finite. 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. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabsonground.
A flat slab panel always uses twoway load decomposition. Rcc slab design is a free app for designing one way and two way reinforced concrete slab systems as per indian standards. 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. Finite element fe analysis, is a popular powerful computer method of analysing flat slab concrete structures. In many domestic and industrial buildings, a thick concrete. After completion of this course, you are expected to be able to design the two types of rc beams. For many years, ciria report 110 has been the standard document for the design of reinforced concrete flat slabs.
Design of reinforced concrete structures ii twoway slabs 1 1. A procedure for carrying out the detailed design of flat slabs is shown in table 1 below. Over that time analysis methods have changed and new construction methods have been developed. We hope this will provide immense help to other civil engineers in understanding the design of rcc flat slab structure under earthquake loading using. These materials are originally located at different websites.
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. How to design concrete structures to eurocode 2 chapter 7. Safe offers a variety of templates for quickly starting a new model including flat slabs, twoway slabs, basemats, waffle slabs, ribbed slabs, and single or combined footings. The flexibility of flat slab construction can lead to high economy and yet allow the architect great freedom of form. Safis reinforced concrete slab design assistant becomes the ultimate tool for slab design in a simple and intuitive way. Using a drop panel and a column capital in flat slab. Visit the publications library for both free and paidfor documents on design and. It may be that here is a time when the owner builder has to get help, because laying slabs is an arduous, time consuming process best suited to subcontractors. Unlike other concrete design software for concrete slab analysis, concrete beam design includes. The wall may retain soil or other granular material. Whether the project is local or overseas, design codes from around the globe are available for reinforced concrete and posttensioned slab design. Second order effects may be accounted for according to the simplified method of the design codes.
How to design concrete structures using eurocode 2 by joanne khe. See automatic and immediate results as design parameter change. Steps involved in the design of flat slab structures. Information on other aspects, su ch as materials, construction methods, placement of. This assumes that the slab thickness has previously been determined during conceptual design. Joint research centre, via enrico fermi 2749, tp 480, 21027 ispra va, italy. Guide to the design and construction of reinforced. Ease and cost of design are important factors in the choice, efficient design, and buildability of building frames. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place.
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. There is a lot of concrete design software and rightfully so, because concrete is used in so many ways. Much of the concrete centres output is aimed at freeing the designer from laborious tasks to allow time to choose the best structure using further design tools. Our aim is to enable all those involved in the design, use and performance of concrete and masonry to realise the potential of these materials. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. 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. Retainwall is a software mainly developed for the purpose of designing a concrete or masonry retaining wall. Design considerations for reinforced concrete flat slab. Concrete slab design software economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Part of the gse general structural engineering software, gse concrete design allows the design of concrete members subjected to a linear, pdelta, nonlinear, seismic or dynamic analysis. I doubt that treating it as a flat slab with 2 spans one direction and one in the other will help much anyway. Design criteria aggressivity of environment specified service life design measures sufficient cover thickness sufficiently low permeability of concrete in combination with cover thickness avoiding harmfull cracks parallel to reinforcing bars other measures like. 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. How to design reinforced concrete flat slabs using finite element.
Bending will take place in the two directions in a dishlike form. Flat slabs are highly versatile elements widely used in construction, providing minimum. Analyze and design flat slab or waffle slab floors. Concrete design software for concrete beam slab design. 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. European commission joint research centre institute for the protection and security of the citizen contact information address. Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below. Users should note that all mpathe concrete centre software and publications. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. For conventionally reinforced flat slab construction with span to depth ratio of 30 or larger, a 30% reduction in stiffness is reasonable for.
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