For uniformly distributed loads of w per square foot of the slab, each strip acts approximately like a simple beam uniformly loaded by its share of w. Load transfer in a oneway slab, b twoway slab nilson fig. As the steel industry continues to improve quality and reduce cost, there is growing interest to maximize the productivity from a single continuous casting machine. Hi, yes,now days what happening is that people are taking engineering not with passion but to earn money. Sep 03, 2011 design of reinforced concrete slabs 3. Title live load distribution factors for a three span continuous precast girder bridge publication no. The other five models were used to estimate the total steel quantity in a residential building.
Design of reinforced concrete structures eciv 3016. Determine the area of steel required in the slab at critical sections for column and middle strips. How to calculate quantity of steel in a two way slab bbs of slab. Diameter of mesh is approximately equal to the diameter of the slab. For the designed span, deck slab depth is selected from table. General notes university of colorado colorado springs. Select reinforcing bars for the slab and concentrate bars near the column, if necessary 5. But we will take in calculation the diameter of the mesh only. Live load distribution factors for a three span continuous pre. Brick,concrete, plaster,tile,converter excel sheet. If slab is supported on all four sides and r shorter side longer side slab. The slab rests on steel tbeams with flanges oriented in the bottom. Part 5 prestressed concrete adjacent member standards pdf 080818 part 6 castinplace concrete slab spans pdf 031015. At ground level, the floor beams fb are not provided, since the floor directly rests on ground earth filling and 1.
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. Masonry retaining wall design based on aci 53099 and aci 31802. How to calculate quantity of steel in a two way slab using excel. Design of reinforced concrete structures eciv 3016 lecture3. Chapter 5 quantities calculations 5 7 apr 2007 rev sept 2015 plans and standard specifications. Slab may be supported on walls or beams or columns. Units calculator excel sheet for conversion of measurement. Following collection of design excel sheets, all excel sheets useful to civil engineers in the construction field.
This video explains how you can calculate the quantity of steel in a two way slab. In any span, the max cable sag, zd depends on the concrete cover requirements and the tendon dimensions. Many different processes are currently competing, from conventional thick slab and blooms to thin slabs and strip casting, whose economic feasibility depends on their. Slabs having supports on less than four sides can be designed as oneway. The flooring composite slab is made of concrete, steel reinforcement and profiled sheets t153 ruukki serving as a permanent formwork. You will also learn about the bar bending schedule of two. Pdf preliminary estimate for reinforcement steel quantity. Oneway and twoway slabs university of asia pacific. When zd is determined, the prestressing force required to balance an. Pdf the main objective of this project is to analyze and design a multistory building 3ddimensional. Now estimation and costing plays very important role in convincing the. The moment of inertia of the composite transformed section should be used for the stress calculation n7, na sprove 74232.
How to calculate quantity of steel in a two way slab bbs of. Live load distribution factors are computed for a three span continuous precast girder bridge. Eccentric footing design based on aci 31805 password aniq. Collection of design excel sheets online civilforum. This reduction of stiffness reflects the increased flexibility of the slab column connections compared to columnbeam connections in beam and slab floor systems. Steelconcrete slabs 4 steel beam and concrete slab are not connected they share the load each take a part from the total the deformation of both is the same equal to. Foundation design 92 reinforcement of shallow foundation 92 depth of shallow foundation 95 depth for pile cap 98 slab on grade 101 chapter 3. Steel design 102 wshapes in strong axis bending, braced at some points 102. 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.
The slab may be plain, reinforced, or prestressed concrete. To take into account the troughs of the profiled steel sheeting, the weight of the slab is taken as. Preliminary estimate for reinforcement steel quantity in residential. The modulus of rupture of concrete can be realistically taken as 7. Sep 10, 2017 quantity of reinforcement steel required for slab or bar bending schedule for slab. Quantity of reinforcement steel required for slab or bar bending schedule for slab. Flexible pavement design, calculator, sn, aashto design, structural number.
A slab strip of unit width is analysed using simple beam theory. Files download bar bending schedule excel spreadsheet for rcc slab free. 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. Bar bending schedule, which is generally termed as bbs is a wideranging list that depicts the location, mark, type, size, length and number, and bending details of each bar or fabric in a reinforcement drawing of a structure. 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. Pdf preliminary estimate for reinforcement steel quantity in. Steel calculation for slab how to calculate quantity of. Composite slabs consist of profiled steel decking with an insitu reinforced concrete topping. The other five models were used to estimate the total steel quan tity in a. Thickness of the slab is decided based on span to depth ratio specified in is4562000.
Member design reinforced concrete two way spanning slab bs8110 v2015. A copy of the tables is provided in the appendix and also. A stair is to be designed to span a large vertical distance by dividing it into. Steel bars have divided the whole area of slab in to many squares with side s. Jan 04, 2018 this video explains how you can calculate the quantity of steel in a two way slab.
You will also learn about the bar bending schedule of. Matlab file, matlab function, truss analysis, plane truss, visualization, view all files of finite elements method. 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. Two separate mats of reinforcing steel are independently supported in this slab for the rcb. This video explains how you can calculate the quantity of steel in a two way slab using excel. Examples to eurocode steel design to en 1993 bs en page. Sci p300 composite slabs and beams using steel decking best. Steel hysd reinforcement of grade fe 415 confirming to is. Part 7 steel plate girder standards pdf 043020 part 8 steel beam with timber deck superstructure standards pdf 043020 parts 1, 38 partial manual zip file download 71. The slab is propped at the centre during construction stage. Member design reinforced concrete two way spanning slab. Bar bending schedule excel spreadsheet for rcc slab. The paper presents calculations of monolith slab and beam floor with. The general notes will explain excavation limits when the existing ground line is above or below finished grade.
Design of a multistoried steel building 16 14 14 3 c 1 b 1 c 2 b 2 c 3 b 3 c 4 b 15 s 1 b 16 s 2 b 17 s 3. Geometry of the building the general layout of the building is shown in figure 1. The slab may be of uniform or variable thickness, and it may include stiffening elements such as ribs or beams. Analysis and design of slabs one way civil engineers pk. Instructional materials complementing fema p751, design examples footing subject to compression and. According to the way loads are transferred to supporting beams and columns, slabs are classified into two types. The cross section of the profiled sheeting is shown in fig.
Bss010119992 abstract this design example illustrates the procedure for calculating live load distribution factors for the approximate method of analysis described in article 4. Slabs are usually used in floor and roof construction. Fundamentals of structural design part of steel structures. Oneway slabs normally design as a beam with cables running in the direction of the span at uniform centres. The reinforcement or prestressing steel may be provided for the effects of shrinkage and temperature or for structural loading. Foreword this spreadsheet performs an analysis and design of twoway spanning reinforced concrete slab. How can we calculate the quantity of steel in a one way slab. How to calculate steel quantity for slab, footing and column. It explains the arrangement of rebar in two way slab. Safety file for reference throughout the lifetime of the building. If slab is supported on all four sides and r shorter side longer side reinforced concrete two way spanning slab bs8110 v2015.
Concrete estimate calculator excel template web share 20160622t08. The following equation shall be used for determining approach slab excavation quantities. Oneway and twoway slabs oneway slabs transfer the imposed. Examples to aci, aisc and asce interactive calculation templates to us codes u. The manual and advisory safety code of practice for concrete pumping67.
Two way slab design spreadsheet the engineering community. Foundation analysis and desing foundation design 1. A stair is to be designed to span a large vertical distance by dividing it into smaller vertical distances, called steps. Structural details of slab culverts 3 for spans less than 3. Heattransfer and solidification model of continuous slab. Reinforcement detailing of reinforced concrete slabs. Analysis of rates of building construction in excel. You will also learn about the bar bending schedule of two way slab reinforcement. Structural calculations for posttensioned beam and oneway. Primarily slabs are classified into two types oneway slab and twoway slab to know more about the differences refer here. Suppose there is a circular slab having steel in mesh form within diameter d. This article presents steel quantity computation process for slabs, columns, and footings. The third chapter presents the design calculations of slab and drawing of building.
How to calculate steel quantity for slab, footing, column quora. Some of the functional requirements of staircases are. Design beams if any, using procedures you learned in civl. Structural steel composite slab 1 of 7 rev design project. Reinforcement detailing of a slab is done based on its support conditions. Slab supported directly by columns are called flat slab. How to calculate quantity of steel in a two way slab bbs. Slab supported on two sides and bending takes place predominantly in one direction only is called one way slab. The analysis of slab and beam floor with prestressed wire. How we measure reads a read is counted each time someone views a publication summary such as the title, abstract, and list of authors. Posttensioned slab with concrete columns and shear walls existing conditions condominium tower the condominium building will be supported by a deep foundation system that will support the columns, walls, and slabs. 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. A stair is a system of steps by which people and objects may pass from one level of a building to another.
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