Flat slab system is an important division of concrete floor system. How to crack a progam easy and safe, take and download the crack from the link 1 or 2, ist. Crackedsection analysis is run in safe using either of the following two. Seismic analysis of multi storied irregular building using. Flat slab analysis, design and detailing pdf civil. Volume 4, issue 12, july 2015 63 loads and boundary conditions the slab is carrying a total working load equal to 12. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place.
To study the maximum base shear of flat slab and grid slab. Csi safe 10 analysis, design and detailing of slab part 12 duration. A six storey building for a commercial complex has plan dimensions as shown in figure 1. Safe tutorial for slab design menu computing structural load. 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. For this option, select run reinforcing option for cracking analysis, then select user specified rebars in reinforcement source. Analysis and design of slabs two way civil engineers pk. There are two methods of analysis of rc flat slab viz. Pro, ram elements, ram structural, mxroads, inroads. Problem formulation analysis of flat slab of size 5 m x 5 m and 7m x 7m providing drop and column head. The paragraph provides the basis to determine the optimal thickness of plate.
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. The idea is to reach a definite conclusion regarding the superiority of the two techniques over one another. However, there are some pitfalls to avoid, that often catch out the unwary. Design strips can be generated by safe or drawn in a completely arbitrary manner by the user. Twoway slabs have two way bending unlike oneway slab. Flat slabs system of construction is one in which the beams used in the conventional methods of constructions are done away with. Flat slab structures are the best solution for high rise. 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. Safe can use userdefined reinforcement to compute crackedslab deflection. Generating pattern surface loads is easily done by safe with an automated option.
The first example is for a mildreinforced concrete slab rc, and the second example deals with a posttensioned structure pt. This publication seeks to introduce fe methods, explain how concrete can be successfully modelled and how to. Design of flat slabs using shell finite element analysis. Hello guys, i have a model of a flat plate, with a couple of shear walls on the perimeter. 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. Review paper on behavior of flat slab under dynamic loading. 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 can use user defined reinforcement to compute crackedslab deflection. Civilax is the knowledge base covering all disciplines in civil engineering.
Welcome to safe v12 this allnew safe is the ultimate integrated tool for designing reinforced and posttensioned concrete floor and foundation systems. Analysis and design of flat slabs using various codes. Analysis for floor slabs of wallslab system scientific. Availability of this program was discontinued in 2008.
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 in one direction ns. The building is located in seismic zone iii on a site with medium soil. Suspended slabs can include flat, twoway, waffle, and ribbed framing systems. Select draw slab rebar from the vertical menu on the left.
Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Further the comparison has been done for the most suitable opening location w. Finite element fe analysis, is a popular powerful computer method of analysing flat slab concrete structures. Detailed drawings may be produced smoothly for slabs and beams designed using csi safe. Safe video tutorials and manuals civil engineering library. Department of mechanics, materials and structures english courses reinforced concrete structures code. Safe tutorial for slab design free download as pdf file. Safe integrated analysis and design of slab systems. The purpose of this example is to verify that the crack width calculation. Automatic analysis for secondary posttensioning stresses for design. Modeling and analysis of flat slab and pt flat slab is done using safe. A civil engineer must know all the aspects regarding the flat floor system. The institution of structural engineers the institution of civil engineers march 2000 manual for the design of reinforced concrete building structures to ec2.
Slab is divided into column strip and middle strips. Graphical display of crack widths has been added for reinforcedconcrete slab regions. Model views view and manipulate analytical model with great precision. Welcome to safe v12 this allnew safe is the ultimate integrated tool for.
Manual for the design of reinforced concrete building. The slab directly rests on the column and load from the slab is. The objective of this paper is to present analysis and design of rc flat slab using two different methods and. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings, combined footings, and mats. The slab is without drops and is supported internally and on the external long sides by square columns. These structural models will be analyzed for dynamic analysis on flat ground.
Mats and foundations can include nonlinear uplift from the soil springs, and a nonlinear cracked analysis is available for slabs. Aiming at this problem, the model which is one layer of floor of wall system has been used for analysis through the safe software. Charged with the power of sapfire this release redefines standards in practicality and productivity. Comparative study of flat slab and conventional slab. The download package contains video tutorials and training for sap2000 v12 and sap 2000 v14 for beginners and advanced learners and the working files and examples have the notes and resultant files created in these videos. I have trying to verify the punching shear of the columns but for some reason i dont know, safe wont calculate the punching shear on the perimeter columns nc result. 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. This version introduces versatile 3d object based modeling and visualization tools. Analysis and design of flat slab by aci code with matlab. These materials are originally located at different websites. How to design reinforced concrete flat slabs using finite. The speed of nonlinear analysis has been increased. This load covers the slab own weight and a live load equal to 3. Download bentley products civil engineering community.
Two way pt flat plate of size 8m x 8m is supported on 4 square columns of 400mm x400mm is modeled for different cases and respective properties are assigned. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering. Download structural analysis and design software products by bentley such as staad. Similar features and more are now available in sumo structural modeller and frame analysis with the finite element addon. Flat slab design in csi safe civil engineering community. Learn about the safe concrete slab analysis and design program. Volume 4, issue 12, july 2015 analysis of rc flat slab. Preparation of excel worksheet analysis and design of flat slab with. Crackedsection analysis safe computers and structures, inc. In this present work direct approach is adopted for manual design of flat slab and to check for punching shear against software.
In the condition of different thickness of slabs, exploratory results can get about the slab deformations, stresses and reinforcement ratios. In this study fe analysis of flat slabs is proposed. 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. Guide to the design and construction of reinforced. Size of columns is 500mm x 500 mm and live load on the panel is 4knm2. Crackedsection analysis safe computers and structures. Effect of opening size and location on reinforced concrete.
The characteristics seismic behaviour of conventional rc frame building, flat slab buildings suggest that additional measures for guiding the conception and design of these structures in seismic regions are needed and to improve the. Department of mechanics, materials and structures english. In this study fe analysis of flat slabs is proposed using safe 12. Objectives the main purpose of this analysis is to study the comparison between grid slab and flat slab with drop structures for various seismic parameters such as 1. Welcome to cefcie5 civil engineering for construction informatics facebook page. Ms excel is done to design both types of flat slabs. Flat slab analysis and design free version download for pc.
Comparative study of reinforced concrete flat slabs with. Analysis of flat slab with equivalent frame method using software safe. Analysis and design of slabs two way two way edge supported slabs twoway slabs. The effect on punchingshear results is significant.
1084 530 828 514 640 424 1324 1391 872 739 27 1293 263 1036 1258 439 1007 12 679 774 353 1397 882 1154 426 281 241 215