How to form, pour, and stamp a concrete patio slab duration. Inducta software now includes the latest version of australian standards for design of concrete structures. Over that time analysis methods have changed and new construction methods have been developed. Literally, it is defined as a longitudinal cut in the slab during the concrete pouring process. Suspended slabs can include flat, twoway, waffle, and ribbed framing systems.
Quickly and easily specify concrete section dimensions, concrete and steel reinforcing strengths, concrete cover, reinforcement bar type, units and design codes and reinforcing bar type within a single dialog box. Reinforcement detailing of reinforced cement concrete slabs. Models can have columns, braces, walls, and ramps connected from the floors. 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.
Using various software for the accurate detailing with best time utilization for different building elements like columns, beams, plinths, docks, regular and special geometry of staircase, slabs, double tees, inverted tee beams, solid wall panels, sandwich and. A flat slab is usually a pointsupported joistfree plate. This is significantly more cost effective than the results seen when traditional slab rc detailing is completed in accordance with the simple methods made available as a manual option in design codes. Nov 20, 2014 openingsanalysis analysis of flat slab for all other cases of openings, it should be framed on all sides with beams to carry the loads to the columns. This revit tutorial video shows how to create reinforcement detailing in revit with the help of sofistik. Flat slab types of flat slab design and its advantages. L center to center distance between the support b depth of slab. Pdf design and detailing of flat slab art seel academia. Alternatively, while slab is supported on all 4 sides and bending happen in 2 directions are declared to be two way slab. Design of flat slabs using shell finite element analysis. Flat slab analysis, design and detailing pdf civil engineering. References 1 sanjay p n, behavior of flat slab rcc structure under earthquake loading 2014.
The reinforcement areas are calculated automatically from the strap finite element analysis results. In your search for flat slab design software for structural engineer firms, you should take a look at the products offered by digital canal. Sandwich slab reinforcement details in reality, sandwich slabs are ribbed slabs with a slab placed both to their upper and lower surface. 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. A civil engineer must know all the aspects regarding the flat floor system. There are many advantages of flat slab such as increased head room, easier flow of mechanical and electrical services. For many years, ciria report 110 has been the standard document for the design of reinforced concrete flat slabs. The following sections outline the solution per ddm, efm, and spslab software respectively. Flat slabs are slabs that are supported directly by columns without floor beams. Sconcrete basic is a concrete design and detailing plugin for adapt builder easily define concrete sections. Flat slab analysis and design free version download for pc. Oneway wide module joist slab in the lower middle is a variation on the oneway. Input uniformly distributed loads independent of slab geometry.
It is termination on slab during the concreting works. While our company may be relatively new, our products have been in the industry for more than 20 years. Slab supported on 2 sides and bending happens primarily in 1 direction particularly is known as one way slab. Flat slab system is an important division of concrete floor system. Mar 24, 2014 design and detailing for bending moment i division of panels and bending moments flat slab panels are divided into column strips and middle strips as shown in figure 1. Twoway concrete slab with beams spanning between supports. However, there are some pitfalls to avoid, that often catch out the unwary. Flat slab detail dwg full project for autocad designs cad.
The benefits of using insitu concrete flat slab construction should be investigated at the conceptual design stage. 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. In the required layout, the rails are located around. Stud rails design system consists of a number of stud and rail units and each unit consists of doubleheaded studs, hot forged to three times the diameter of the bar which is welded to a flat steel carrier rail. Hi i am detailing a slab in revit for the first time. V slab variable depth slab bridge design is a structural analysis and design software package developed for reinforced concrete flat or haunched slab bridges under the american association of state highway and transportation officials aashto lrfd bridge design specifications, 8th. Slab may be supported on walls or beams or columns. Details title design and detailing of flat slab with drop panel in etabs duration 30 mins language english format mp4 size 110 mb download method direct. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. Drop panels play a significant role here as they augment the overall capacity and sturdiness of the flooring system beneath the vertical loads thereby boosting cost effectiveness of the construction.
Easily export and analyse floors in ptd with auto tendons. Review paper on behavior of flat slab under dynamic loading. Slab supported directly by columns are called flat slab. However, one of the particularities that comes first when designing. Flat slab types, uses, advantages and disadvantages. For the purpose of this article, we will base our design basis on a strip based. The rest of the floor can be slightly thinner with less dead weight.
Slab detailing the program calculates and details the slab reinforcement, either as an arrangement of individual bars, a pattern of prefabricated meshes, or a combination of both. Necessary checking such as deflection and crack control is also calculated by the software which helps to improve the accuracy of the design. Analysis of flat sanalysis of flat sllabab moment division example 6000 6000 6000 6000 6000 5000 layout of building 7000 5000 a floor slab in a building where stability is provided by shear walls. Design of flat slab with drop panel in etabs tutorial detailing of. Design and detailing of flat slabs linkedin slideshare. This is usually done in wide span areas of the slab being constructed by dividing the whole slab to a series of pour areas and it is intentionally applied to accommodate the easement of construction. Anchorage and lap splicing detailing of slabs, columns, beams. Design and detailing of rectangular flat slab panels. The column tends to punch through the slab in flat slabs, which can be treated by three methods. This system is similar to the twoway flat plate system except there is a drop panel to provide extra thickness around the columns. Which is the best automatic structural detailing software.
Flat slabs can offer economical solutions to wider floor spans in a reinforced concrete building. The moment m d is the vector addition of the moments in x and ydirection. Scada pro flat slab module for analysis and design is an advanced finite. Design of flat slab structures advance design graitec. From the slab design form, there are three types of reinforcing display available. From assembly plant, the construction system of the flat slab of a commercial project is detailed. Design manual to bs8110 bs8110 general detailing rules. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. What is the best way to detail a flat slab, especially if you have bars that are alternating or autodesk ductname. Reinforced flat slab design excel sheet best online.
Flat slab construction is stateoftheart structural software for the analysis and design of single and multistorey flat slabs in. Flat slab analysis, design and detailing pdf flat slab system is an important division of concrete floor system. Details title design flat plate slab in etabs and detailing in autocad duration 25 mins language english format mp4 size 180 mb download method direct. As point supports of the flat slab, columns are used. Safes ageadjusted modulus of elasticity method for flat plate slab analysis was found to be more accurate than other software when compared to actual deflections. Reinforcement detailing of a slab is done based on its support conditions. Flat slabs are mostly used in large industrial structures, parking garages, ramps, warehouse, high rise buildings and hotels. 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. Perform a quick and accurate preliminary design check considering tendons. Slab supported on two sides and bending takes place predominantly in one direction only is called one way slab. I came across a way of detailing reinforcement bar for flat slabs.
Flat slab detail dwg detail for autocad designs cad. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. In this construction video tutorial you will learn the method required for flat slab design or design of flat slab. Drops should be ignored if the smaller dimension of the drop is less than onethird of the smaller dimension of the panel. Flat slab cad drawing dwg cadblocksfree cad blocks free. Design flat plate slab in etabs and detailing in autocad. Design and detailing of flat slab with drop panel in etabs. Stud rails is needed in construction to reinforce a flat slab against punching shear and is located around a column head or base. Flat slab reinforcement detail structural engineering. In the show rebar intensity, the recommended area of rebar.
Reinforced concrete modeling and detailing software with proconcrete software you can model reinforced concrete with any combination of reinforcing, as 3d parametric objects. The step down or drop can exceed the a couple of times the thickness of the flat slab. The presentation aims to provide clear,concise, technical details of flat slabs design. Specialist geotechnical modules allow our software to model soil as springs, with spring stiffness. Mar 1, 2017 reinforced flat slab design excel sheet best online engineering resource. Slab supported straightforwardly through columns are known as flat slab. For the analysis, a linearelastic model has been used. Reinforcement detailing of reinforced concrete slabs.
Availability of this program was discontinued in 2008. Flat slab may be analyzed and desig ned by any me thod as long as they satisfy the strength, stiffness an d sta bility requirements of the is. Reinforced concrete modeling and detailing software. Flat slab design software programs for structural engineering. How to design reinforced concrete flat slabs using finite.
Reinforced concrete slab and beam design software adaptrc. You can use either of the three depending on your convenience. Modelling a flatslab structure using fem software is simple at first glance. Manual for design and detailing of reinforced concrete to the.
This is further explained in a companion best practice guide, rationalisation of flat slab reinforcement. Quickly create your placing drawings, fabrication details, bar bending schedules, and concrete quantity and material reports directly from your 3d model, which. Pdf design and detailing of flat slab content vijay prem. Flat slab structure leads to economic saving, aesthetic view and yet allow the architect from great freedom of form works as compared to conventional slab structure. 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 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. Direct design method ddm twoway slabs satisfying the limits in aci 31814 8. While ive heard about tekla structures while i was preparing for an interview in a private company but never worked with it. I have seen in the ram modelling, the reinforcement of the step down section looks like a beam with top slab on oner side and bottom slab on the opposite is the same the slabs on both sides ie. They are also used where uses of beams are not required. This publication seeks to introduce fe methods, explain how concrete can be successfully modelled and how to interpret the results. Sandwich slabs may have the disadvantage of a larger weight compared to the ribbed ones but on the other hand, they have the advantage that their spans and supports behave in the same proper way. The calculation done by the software was compared to manual calculation to ensure.
V slab variable depth slab bridge design is a structural analysis and design software package developed for reinforced concrete flat or haunched slab bridges under the american association of state highway and transportation officials aashto lrfd bridge design specifications, 8th edition. Apr 25, 2019 22 slabs flat slabs 2016 page 025 duration. The four corners of the slab panel are supported, e. Flat slab analysis, design and detailing pdf civil. 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. 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. Modeling and bending design of pointsupported flat slab dlubal. Drawing labels, details, and other text information extracted from the cad file translated from galician. Design and detailing for bending moment i division of panels and bending moments flat slab panels are divided into column strips and middle strips as shown in figure 1.
Calculate steel in drop panels using etabs software. The program calculates and details the slab reinforcement, either as an arrangement of individual bars, a pattern of prefabricated meshes, or a combination of both. A software has been developed with design procedures based on bs 8110 and eurocode 2, which is the design of concrete slabs. Nov 25, 2018 hi i am detailing a slab in revit for the first time. I am troubled by folded slab ie a step down in flat slab. A tendon is defined as sheathing duct, the strands within it and the corrosion inhibiting grease or grout filling its voids. These materials are originally located at different websites. Design manual to bs8110 bs8110 design preface please note that the linkstudpsr design and optimum pattern layout details can be calculated very simply, by using the free linkstudpsr design software available later in 2010 with the minimum of input. Show rebar intensity, show total rebar area for strip and show number of bar of size.
The flexibility of flat slab construction can lead to high economy and yet allow the architect great freedom of form. This article describes how a flat slab is generated as 2d model in rfem and the loading is applied according to eurocode 1. Cross sections of twoway concrete floor at the slab edge. Using a drop panel and a column capital in flat slab. Effective span of slab shall be lesser of the two 1. Structural design of flat slabs to eurocode 2 structville. Flat slab structures are the best solution for high rise. Finite element fe analysis, is a popular powerful computer method of analysing flat slab concrete structures.
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