In this investigation rectangle slab and trapezoidalthe slab is used for finite element analysis. Comparative study of reinforced concrete flat slabs with. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings, combined footings, and mats. Csi safe 10 analysis, design and detailing of slab. There are two methods of analysis of rc flat slab viz. This new version of csi safe 12 has ultimate integrated tools for designing reinforced and posttensioned concrete floor and foundation. Department of mechanics, materials and structures english. The slab directly rests on the column and load from the slab is. Csi safe may be used as a standalone application, or may be used in conjunction with etabs to complete analysis, design, and detailing of concrete floor plates created in etabs. Aug 05, 2010 safe provides an immensely capable yet easytouse program for structural designers, provideing the only tool necessary for the modeling, analysis, design, and detailing of concrete slab systems and foundations.
Analysis and design of slabs one way civil engineers pk. Flatslab building is very popular from the aesthetic and architectural point of view. 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. Safe is the structural analysis tool by csi computers and structure inc.
Safe provides unmatched benefits to the engineer with its truly unique combination of power, comprehensive capabilities, and ease of use. This application provides precise results from the operation. Analysis and design of flat slab by aci code with matlab. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. The objective of this paper is to present analysis and design of rc flat slab using two different methods and. Crack control advisable to perform crack width calculations.
This assumes that the slab thickness has previously been determined during conceptual design. Analysis and design of flat slabs using various codes issuu. A civil engineer must know all the aspects regarding the flat floor system. This problem is exacerbated by the introduction of posttensioning, especially when beamless floor systems flat slabs are used. This version introduces versatile 3d object based modeling and visualization tools. The main aim of this paper is to study the structural behaviour of slaband creation of safe and economical structure. In this video, analysis, design and detailing of slab is shown in detail with fem and strip method. Analysis of posttensioned flat slab by using safe shriraj s. Salunke mgms college of engineering and technology, kamothe, india mgms college of engineering and technology, kamothe, india abstract the use of posttensioned flat slab is increasing day by day, due to its advantages over traditional concrete. With our flat slab analysis and design program, you can analyze and design beamless concrete waffle slab or flat slab floors easily and precisely. Suspended slabs can include flat, twoway, waffle, and ribbed framing systems. Flat slab seminar report, ppt, pdf for civil engineering. Flat slab analysis and design free version download for pc. Comparative study of reinforced concrete flat slabs with and.
Flat slab analysis, design and detailing pdf civil engineering. Safe is the ultimate tool for designing concrete floor and foundation systems. From framing layout all the way through to detail drawing production, safe integrates every aspect of the engineering design process in one easy and intuitive environment. Safe is highly recommendable for designing slab and foundation. Content introduction benefits design considerations design methodology analysis of flat slab. Crackedsection analysis safe computers and structures, inc. This article discusses the similarities and differences between traditional frame methods and finite element methods for the design of floor slab systems. Welcome to safe v12 this allnew safe is the ultimate integrated tool for designing reinforced and. Explore flat slab with free download of seminar report and ppt in pdf and doc format. Similar features and more are now available in sumo structural modeller and frame analysis with the finite element addon. Safe provides an immensely capable yet easytouse program for structural designers, provideing the only tool necessary for the modeling, analysis, design, and detailing of concrete slab systems and foundations.
The speed of nonlinear analysis has been increased. 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. Flat slabs system of construction is one in which the beams used in the conventional methods of constructions are done away with. Nowadays flat slabs are used in most of the building because of its advantages. This load covers the slab own weight and a live load equal to 3. Welcome to safe v12 this allnew safe is the ultimate integrated tool for designing reinforced and posttensioned concrete floor and foundation systems. From framing layout all the way through to detail drawing.
Flat slab is an ideal structural form for architects and contractors. Slab is the flat and lower surface in particular floor on which we staying and resting our goods. Welcome to cefcie5 civil engineering for construction informatics facebook page. Csi safe results give massive steel amounts in specific areas, how to solve this. Safe provides an immensely capable yet easytouse program for structural designers, provideing the only tool necessary for the. 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. Flat slab system is an important division of concrete floor system. Different version of csi safe software issues structural. The safe software is used to design the reinforced concrete slab and foundation. Detailed drawings may be produced smoothly for slabs and beams designed using csi safe. Slab modeling, analysis, and design procedures feature a suite of sophisticated tools and applications, couple with posttensioning, punchingshear, and beam detailing, and integrate the influence of soils, ramps, columns, braces, walls rectilinear or curvilinear, and other interfacial elements. Long term deflection analysis using safe program the. All load patterns are applied in a single load case which uses either immediate or longterm cracked deflection. Advantages and disadvantages of flat slabs advantages and disadvantages of flat slabs a flat slab is a oneway or twoway system with thickenings in the slab at the columns and load bearing walls called drop panels figure 9.
Flat slab analysis and design pdf flat slab design pdf 1. In reinforced concrete construction, slabs are used to flat, useful surfaces a reinforced slab is a broad, flat plate, usually horizontal, with top and bottom surfaces parallel or. Civildigital powerpoint presentations building technology flat slab floor system. Cracked section analysis is run in safe using either of the following two methods.
The strip may have up to 20 spans and may have cantilevers at the ends. The two examples in this tutorial provide stepbystep illustrations of how safe can be used to create, analyze, design and detail concrete slab systems. Arc beams and arc slab edges are imported, but arc grid lines are not imported. 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. In the new version of safe, multidimensional elements are introduced according to modeling and image drawing tools. I watch many tutorials where negative results are considerd safe but i am still confuse whether is it ok or i should reduce the result. It provides a working flat surface or a covering shelter in. Csi safe 10 analysis, design and detailing of slab part 1. Safe s ageadjusted modulus of elasticity method for flat plate slab analysis was found to be more accurate than other software when compared to actual deflections. Introduction a slab is a flat two dimensional planar structural element having thickness is small as compared to its other two dimensions. Safe verification example 16 by going to help documentation verification analysis example 16 cracked slab analysis. In this present work direct approach is adopted for manual design of flat slab and to check for. Analysis of longterm deflection of the slab using safe program is. Oct 19, 2016 select draw slab rebar from the vertical menu on the left.
Analyze and design flat slab or waffle slab floors. Csi safeanalysis and design of flat slab cefci civil engineering. Mar 25, 2016 analysis on flat plate and beam supported slab 1. Jun 19, 2015 csi safeanalysis and design of flat slab cefci civil engineering. 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. Analyses are for a onebaywide strip using the equivalent frame analysis method of the aci code. Structural modeling and analysis of concrete floor slabs. The main objective of the paper is to study method of analysis and design of flat slab by using aci 318 08 design codes, with matlab programming for the easy application language for the design of flat slab. Safe is not showing the values of punching shear for tshaped and lshaped colums why. Design of flat slabs using shell finite element analysis. Volume 4, issue 12, july 2015 63 loads and boundary conditions the slab is carrying a total working load equal to 12. Crackedsection analysis safe computers and structures. A civil engineer should study these lectures and materials for structural engineering acumen.
Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Nov 05, 2017 in this video, analysis, design and detailing of slab is shown in detail with fem and strip method. Graphical display of crack widths has been added for reinforcedconcrete slab regions. I am using sap2000 program to model and analyze flat and beam slab. Analysis and design of flat slabs using various codes. Design of flat slab direct design method for the analysis and design of flat slab different methods are available like finite element, equivalent frame, and direct design methods. Safes ageadjusted modulus of elasticity method for flat plate slab analysis was found to be more accurate than other software when compared to. Flat slab structures are the best solution for high rise. This series utilizes the existing standard operating in the field of design and creativity of the mac provides new information for users. Models can have columns, braces, walls, and ramps connected from the floors above and below. Generating pattern surface loads is easily done by safe with an automated option. Finite element analysis of effect of punching shear in. Dec 19, 2017 after analysis i observe that the uplift pressure is negative but the magnitude exceeds sbc. Csi safe results give massive steel amounts in specific areas.
Flat slab analysis, design and detailing pdf civil. Flat slab types of flat slab design and its advantages. Finite element analysis of effect of punching shear in flat slab using ansys 16. Same as the distribution steel analysis and design of slabs. Volume 4, issue 12, july 2015 analysis of rc flat slab. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings, combined. Slab analysis design software for structural engineering companies.
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. Mat on pile foundation design structural engineering. Why choose digital canals slab design software for structural engineering firms. Modeling object based graphical interface model explorer for easy access to program features.
Safe offers a variety of templates for quickly starting a new model including flat slabs, two way slabs. Jun 16, 2018 the safe software is used to design the reinforced concrete slab and foundation. Learn about the safe concrete slab analysis and design program. Safe can use userdefined reinforcement to compute crackedslab deflection. 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. Please match the safe results with the mentioned sbc and answer this topic. The first example is for a mildreinforced concrete slab rc, and the second example deals with a posttensioned structure pt.
I have modeled a foundation in csi safe v8 and exported the same model in safe v12 both programs are showing different values soil pressure and punching shear difference is slight but why is that. Slab analysis design software for structural engineering. The slab is a flat horizontal surface supported by beam and column. Safe provides unmatched benefits to the engineer with its truly unique combination of power, comprehensive capabilities, and easeofuse. Concept designs prepared assuming detailed design would be to bs 8110 may be continued through to detailed design using eurocode 2. For this option, select run reinforcing option for cracking. Select draw slab rebar from the vertical menu on the left. Jan 16, 2014 csi safe may be used as a standalone application, or may be used in conjunction with etabs to complete analysis, design, and detailing of concrete floor plates created in etabs.
Safe, safe v12 download, csi, csi safe, civil engineering, software, civil software. Safe,safe v12 download, csi, csi safe, civil engineering, software, civil software. Go to defineload casesadd new case tick nonlinear cracked for. Availability of this program was discontinued in 2008.
Analysis of flat slab with equivalent frame method using software safe. Suspended slabs can include flat, twoway, waffle, and ribbed. Charged with the power of sapfire this release redefines standards in practicality and productivity. Jan 22, 2016 safe provides an immensely capable yet easytouse program for structural designers, providing the only tool necessary for the modeling, analysis, design, and detailing of concrete slab systems and foundations. Flat slabs may have drop panels at columns and columns may have capitals.
These materials are originally located at different websites. Comparative study of flat slab and conventional slab. A procedure for carrying out the detailed design of flat slabs is shown in table 1 below. Mats and foundations can include nonlinear uplift from the soil springs, and a nonlinear cracked analysis is available for. Volume 4, issue 12, july 2015 analysis of rc flat slab system. The analytical study has been done by using safe 12. Note that rebar must be added in both the tension and compression regions for the entire slab since the software will only use the userdefined reinforcement, and not use the reinforcement design.