Safe can use user defined reinforcement to compute crackedslab deflection. Graphical display of crack widths has been added for reinforcedconcrete slab regions. A six storey building for a commercial complex has plan dimensions as shown in figure 1. Welcome to cefcie5 civil engineering for construction informatics facebook page. This load covers the slab own weight and a live load equal to 3. 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. Further the comparison has been done for the most suitable opening location w. How to design reinforced concrete flat slabs using finite. Volume 4, issue 12, july 2015 analysis of rc flat slab. Aiming at this problem, the model which is one layer of floor of wall system has been used for analysis through the safe software. Ms excel is done to design both types of flat slabs. The two examples in this tutorial provide stepbystep illustrations of how safe can be used to create, analyze, design and detail concrete slab systems.
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. Analysis and design of flat slabs using various codes. Generating pattern surface loads is easily done by safe with an automated option. Size of columns is 500mm x 500 mm and live load on the panel is 4knm2.
Finite element fe analysis, is a popular powerful computer method of analysing flat slab concrete structures. This publication seeks to introduce fe methods, explain how concrete can be successfully modelled and how to. Crackedsection analysis is run in safe using either of the following two. In the condition of different thickness of slabs, exploratory results can get about the slab deformations, stresses and reinforcement ratios. The purpose of this example is to verify that the crack width calculation.
These materials are originally located at different websites. The idea is to reach a definite conclusion regarding the superiority of the two techniques over one another. Problem formulation analysis of flat slab of size 5 m x 5 m and 7m x 7m providing drop and column head. The effect on punchingshear results is significant. 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. Slab is divided into column strip and middle strips.
These structural models will be analyzed for dynamic analysis on flat ground. Similar features and more are now available in sumo structural modeller and frame analysis with the finite element addon. 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. The first example is for a mildreinforced concrete slab rc, and the second example deals with a posttensioned structure pt. Analysis of flat slab with equivalent frame method using software safe. 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. Volume 4, issue 12, july 2015 63 loads and boundary conditions the slab is carrying a total working load equal to 12. 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. Effect of opening size and location on reinforced concrete. Flat slab structures are the best solution for high rise. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering. Design of flat slabs using shell finite element analysis.
Safe tutorial for slab design free download as pdf file. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings. A civil engineer must know all the aspects regarding the flat floor system. Manual for the design of reinforced concrete building. Department of mechanics, materials and structures english.
In this present work direct approach is adopted for manual design of flat slab and to check for punching shear against software. Availability of this program was discontinued in 2008. Mats and foundations can include nonlinear uplift from the soil springs, and a nonlinear cracked analysis is available for slabs. Flat slab analysis, design and detailing pdf civil. In this study fe analysis of flat slabs is proposed. 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 paragraph provides the basis to determine the optimal thickness of plate. Design strips can be generated by safe or drawn in a completely arbitrary manner by the user. Templates for flat slabs, twoway slabs, waffle slabs, ribbed slabs, isolated footings, combined footings, and mats. To study the maximum base shear of flat slab and grid slab. The slab directly rests on the column and load from the slab is. Guide to the design and construction of reinforced. Download structural analysis and design software products by bentley such as staad. 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. Detailed drawings may be produced smoothly for slabs and beams designed using csi safe. Automatic analysis for secondary posttensioning stresses for design. How to crack a progam easy and safe, take and download the crack from the link 1 or 2, ist.
Analysis for floor slabs of wallslab system scientific. Seismic analysis of multi storied irregular building using. Safe video tutorials and manuals civil engineering library. Flat slab system is an important division of concrete floor system. Csi safe 10 analysis, design and detailing of slab part 12 duration. Comparative study of flat slab and conventional slab.
Model views view and manipulate analytical model with great precision. 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. The institution of structural engineers the institution of civil engineers march 2000 manual for the design of reinforced concrete building structures to ec2. Welcome to safe v12 this allnew safe is the ultimate integrated tool for. The building is located in seismic zone iii on a site with medium soil. Hello guys, i have a model of a flat plate, with a couple of shear walls on the perimeter. Department of mechanics, materials and structures english courses reinforced concrete structures code. Welcome to safe v12 this allnew safe is the ultimate integrated tool for designing reinforced and posttensioned concrete floor and foundation systems. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Safe integrated analysis and design of slab systems. Earthquake analysis of a five story building with diana finite element damage to concrete buildings with precast floors during the 2016 kaikoura structural calculation sheets for 8.
For this option, select run reinforcing option for cracking analysis, then select user specified rebars in reinforcement source. 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. Analysis and design of flat slab by aci code with matlab. Select draw slab rebar from the vertical menu on the left. Slab resting on walls or sufficiently deep and rigid beams on all sides. Safe tutorial for slab design menu computing structural load. The slab is without drops and is supported internally and on the external long sides by square columns. Pro, ram elements, ram structural, mxroads, inroads. However, there are some pitfalls to avoid, that often catch out the unwary.
Review paper on behavior of flat slab under dynamic loading. Suspended slabs can include flat, twoway, waffle, and ribbed framing systems. Civilax is the knowledge base covering all disciplines in civil engineering. Flat slab analysis and design free version download for pc. Comparative study of reinforced concrete flat slabs with. Analysis and design of slabs two way civil engineers pk. In this study fe analysis of flat slabs is proposed using safe 12.
This version introduces versatile 3d object based modeling and visualization tools. The objective of this paper is to present analysis and design of rc flat slab using two different methods and. Flat slab design in csi safe civil engineering community. Modeling and analysis of flat slab and pt flat slab is done using safe. 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. There are two methods of analysis of rc flat slab viz.
Nowadays flat slabs are used in most of the building because of its advantages. Flat slabs system of construction is one in which the beams used in the conventional methods of constructions are done away with. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Charged with the power of sapfire this release redefines standards in practicality and productivity. Crackedsection analysis safe computers and structures, inc. 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. Crackedsection analysis safe computers and structures. Twoway slabs have two way bending unlike oneway slab. Preparation of excel worksheet analysis and design of flat slab with. Learn about the safe concrete slab analysis and design program. The speed of nonlinear analysis has been increased. Analysis and design of slabs two way two way edge supported slabs twoway slabs. Download bentley products civil engineering community.