You will also learn about the bar bending schedule of two. Oneway and twoway slabs oneway slabs transfer the imposed. An interior load condition is assumed for flexural analysis. Design the roof slab, beam and column of house given in figure 1. If you need to print pages from this book, we recommend downloading it as a pdf. Pdf the main objective of this project is to analyze and design a. The ratio of steel in a slab can be determined by dividing the sectional area of one bar by the area of concrete between two successive bars, the latter area being the product of the depth to the center of the bars and the distance between them, center to center.
Shear reinforcement using vertical stirrups in integral beams avoids much of this. Unfortunately, this book cant be printed from the openbook. Preliminary estimate for reinforcement steel quantity in residential buildings. That is, the concentrated post or wheel load is assumed to be well away from a free slab edge or corner. This is a part of his project economic design of two way rcc slabs under prof s. How to calculate steel quantity from drawing civiconcepts. Analysis and design of slabs one way civil engineers pk. Matlab file, matlab function, truss analysis, plane truss, visualization, view all files of finite elements method. Typically slabs are supported by open web steel joists which are supported by composite. How to calculate quantity of steel in a two way slab bbs of slab. It explains the arrangement of rebar in two way slab. How to calculate steel quantity for slab civiconcepts. Among all of the metal weight calculation formula in the following part, there are two kinds of metals that are not mentioned, which are i beam steel and h beam steel. Astm c90, grade n medium weight, solid grouted all cells j.
In this article, you will learn about how to calculate steel quantity for the slab. The cross section of the profiled sheeting is shown in fig. Determine the area of steel required in the slab at critical sections for column and middle strips. Following are the steps to calculate the quantity of steel for rcc slab 1. Two way rcc slab designing tool in microsoft excel developed by shankar tayal a 3rd year student of school of infrastructure, indian institute of technology, bhubaneswar. Jan 04, 2018 this video explains how you can calculate the quantity of steel in a two way slab. Calculate steel reinforcement and its quantity in slab, beams, columns and footing reinforcement rcc drawings so that you can find out the following values from the drawing.
For this and all other example problems the following data from the canam united steel deck design manual and catalog of steel deck products will be used and are worked using lrfd methodology. A civil engineer must know all the aspects regarding the flat floor system. If your grid dimensions are larger than the lengths available you will need to overlap the bars to get a long enough length. For side formwork, there is 2 different dimensions, 2 with 4 m side and 2 with 3 m sides. The bars we use in the tension zone of the slab is called bent. As crosssectional area in square inches of steel per lineal foot of slab width f friction factor l distance in feet between joints the distance between the free ends of the slab that can move due to shrinkage contraction or thermal expansion.
The oneway slab steel quantity calculation is done according to its supporting conditions. What is the topic in reinforced concrete design the formula you use. Engineering society its the first platform for all engineers we share good technical articles and free pdf ebooks and free. Design beams if any, using procedures you learned in civl. For bottom we have in to in dimension of slab 3m x 4m. In this post, we are going to explain how to calculate steel quantity for the slab. Pdf design calculation design of one way slab slab s1 span. The calculation of buoyancy forces and comparison with structure weight is a critical determination of this problem. Enter purchased lengths of bars used in bar cutting for each diameter of bar. No beam, free layout and large windows create bright and open spaces in flat. Flexible pavement design, calculator, sn, aashto design, structural number. Steel bars have divided the whole area of slab in to many squares with side s. Dec 19, 2017 hello everyone in this video i am going to show you that how to calculate quantity of steel in slab means steel calculation for slab and also rcc slab define, in urduhindi.
Oct 19, 2017 before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. The slab may be of uniform or variable thickness, and it may include stiffening elements such as ribs or beams. Flat slab system is an important division of concrete floor system. The third chapter presents the design calculations of slab and. To take into account the troughs of the profiled steel sheeting, the weight of the slab is taken as. How to calculate quantity of steel in a two way slab bbs. Column base usually a thick plate at the bottom of a column through which anchor bolts mechanically connect the column and transfer forces to the. First, find number of rods required for main reinforcement and distribution. For the total length we have to add wall width of both sides to get the total length. Chapter 8 design of posttensioned slabs on grade, pg. If slab is supported on all four sides and r shorter side longer side slab.
Now estimation and costing plays very important role in convincing the. How to calculate quantity of steel in slab by admin 5 hello everyone in this video i am going to show you that how to calculate quantity of steel in slab means steel calculation for slab and also rcc slab define, keep watching the video. Two way slab design spreadsheet the engineering community. If slab is supported on all four sides and r shorter side longer side free slab edge or corner. Structural shapes standard steel configurations produced by steel mills such as wide flanges, channels, angles, pipe, tubes, etc. Sep 10, 2017 quantity of reinforcement steel required for slab or bar bending schedule for slab. In this particular post we are going to consider the analysis and design of the same foundation using manual calculations according to the principles of the. Pdf design calculation design of one way slab slab s1. Free download excel sheet for slab steel calculation. Calculate steel reinforcement and its quantity in slab, beams. The slab should be strong enough to bear the required load according to design. The slab is propped at the centre during construction stage.
This article presents steel quantity computation process for slabs, columns, and footings. Two way rcc slab designing excel sheet civil engineering. Hello everyone in this video i am going to show you that how to calculate quantity of steel in slab means steel calculation for slab and also rcc slab define. If you want to know the difference between h beam steel and i beam steel as well as the methods to calculate the weight of h beam steel and i beam steel, you will get the. Sep 03, 2011 design of reinforced concrete slabs 3.
Prepare a bar bending schedule in order to classify different shapes of bars bent up bar, straight anchor bar, eos bar, curtail bar etc and diameters. The main objective of this project is to analyze and design a multistory building 3ddimensional reinforce concrete frame, the design of reinforced concrete slabs, beams, columns, footings and. Structural steel the structural elements that make up the frame that are essential to supporting the design loads, e. In this post, i am finding out the estimation of steel reinforcement required for a slab to work on this i considered a plan as shown below.
How to calculate steel quantity for rcc beam, column and slab. Structural steel design project calculation sheet checked by pu date 080800 check the adequacy of the continuous composite profiled deck slab with spans of 3. The other five models were used to estimate the total steel quantity in a. The building is free of plan and vertical irregularities. Bar bending schedule plays a vital role in the construction of high rise buildings.
Select reinforcing bars for the slab and concentrate bars near the column, if necessary 5. The slab may be plain, reinforced, or prestressed concrete. Two way rcc slab designing tool in microsoft excel developed by shankar tayal a 3rd year student of school of infrastructure, indian institute of technology, bhubaneswar this is a part of his project economic design of two way rcc slabs under prof s. Diameter of mesh is approximately equal to the diameter of the slab. Masonry retaining wall design based on aci 53099 and aci 31802. Flat slab analysis, design and detailing pdf civil. Grdslab concrete slab on grade analysis spreadsheet. D mm d 105 mm loads on slab self weight of slab 3. Note we need to calculate the typical ls for the 1 st half only, for the 2 nd half we will multiply it by 2 excluding the main bar circular slab reinforcement calculation.
This concrete calculator calculates quantities of materials required for construction of concrete slabs, beams, columns, footings and trapezoidal footings in cubic meters and cubic feet. Estimation of steel reinforcement quantity for concrete slab, footing and column, beams etc. Primarily slabs are classified into two types oneway slab and twoway slab to know more about the differences refer here. Optimized bar cutting arrangements to minimize wastage barbeque is a versatile tool for bbs work. It is very important to learn bar bending schedule for finding out the quantities of steel reinforcement required for every component of the building. The slab should be provided steel bars to withheld tensile force, so this slab is called the rcc slab. While buoyancy of the first floor is not an issue since it is elevated 5 ft above the dfe, buoyancy of the entire structure slab, foundation walls, and. As we think that calculating steel quantity for the slab is a too difficult task, it required good skills in civil engineering. For moment and for determining the distribution steel, put. Suppose there is a circular slab having steel in mesh form within diameter d. How we measure reads a read is counted each time someone views a publication summary such as the title, abstract, and list of authors. Step by step rcc roof slab steel calculation numerical. Use our rebar weight and size calculator to find the total.
Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. A copy of the tables is provided in the appendix and also shown on pages 42 and 43 of our design manual and catalog of steel deck products. Hi, yes,now days what happening is that people are taking engineering not with passion but to earn money. Full learn to read structural drawing course at the cheapest rate. Pdf preliminary estimate for reinforcement steel quantity in. Quantity of steel in one way slab calculation bbs civil click. Concrete calculator calculate slab, beam, column, footing.
The full form of rcc is reinforced concrete cement. Structural steel composite slab 1 of 7 rev design project. Concrete estimate calculator excel template web share 20160622t08. Concrete volumes and slab design data 81 concrete slabs on form deck 82 83 ufs, uf1x, ufx, uf2x maximum span and cantilever tables 84 slab and reinforcement data 85 fire resistance ratings 86 sdi long form specifications 87 91 introduction 92 diaphragm design example 93 typical fastener layout 94 1. Manual design of beam and raft foundation to eurocode 2. Aug, 2017 bar bending schedule for footings estimation of steel reinforcement in footings. The quantity of cement, sand and aggregates for various proportions of concrete such as m10 1. But we will take in calculation the diameter of the mesh only. Before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. Download free demo updated august 8, 2019 soilstructure slab on grade software simplifies the calculation of a. Bar bending schedule for slab estimation of steel reinforcement in.
If this is the case you will need to order additional material to account for the overlap. The reinforcement or prestressing steel may be provided for the effects of shrinkage and temperature or for structural loading. Steel calculation for slab how to calculate quantity of. How to calculate steel quantity for slab, footing, column quora. How to calculate quantity of steel in a two way slab bbs of. How to calculate steel quantity for slab, footing and column.
The slab on grade worksheet assumes a structurally unreinforced slab, aci360type b, reinforced only for shrinkage and temperature. Simply, the slab in which steel bars are used is known as rcc slab. These materials are originally located at different websites. The oneway slab is supported on two beams and then to the columns of the building.
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