Before and after lockdown photos best example to know how air pollution is affecting us. The institution of structural engineers the institution of civil engineers march 2000 manual for the design of reinforced concrete building structures to ec2. A reinforced concrete slab is the one of the most important component in a building. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. The reinforced concrete features combined the strength of cement and steel bars which are the basic components of a modern structural design. The membrane analysis method of shell theory is used for analysis of the dome and design is done by working stress method as per is. The development of these methods was a necessity due to different causes, such as inadequate maintenance, overloading of the reinforced concrete member, corrosion of the steel reinforcement and other different situations that appeared in time. In many domestic and industrial buildings a thick concrete slab, supported on foundations or directly on the sub soil, is used to construct the ground. Column rcc reinforced cement concrete column is a structural member of rcc frame structured building. Construction joints are used in slabsongrade to allow slab movement at transitional load bearing points from one concrete slab to the next. Chapter 4, floor construction 71 the primary design consideration in choosing the minimum size and the maximum span and spacing of floor joists, trusses, beams, girders, and headers is adequate support for dead and live vertical loads as prescribed by the code depending on the uses that a floor must support. What is the difference between an rcc slab and a normal. Aug 09, 2014 the book as titled reinforced concrete designers handbook is a very handy book for structural designers and developers and the authors charles e. Concrete floor slabs may be in situ or prefabricated.
Reinforcing steel for slabs is primarily parallel to slab. Checklist for rcc slab and beams online civilforum. The two classifications are oneway slab and twoway slab. What is slab, beam, column, and footing construction. Here are the steps for the design procedure for one way slab in steps. There are 16 different types of slabs in construction. This file is a simple pdf format file which you can download and open in any pdf. They may be supported on two opposite sides only fig. In one way slab, major reinforcement is along the side of smaller direction and the reinforcement along the side of longer direction is known as distribution steel. A civil engineer must know all the aspects regarding the flat floor system. Reinforced concrete construction formwork flat surfaces element bottom. May 31, 2010 it is a structural element of modern buildings. Thickness of the slab is decided based on span to depth ratio specified in is4562000.
Selfweight of the column multiplies by number of floors. Shear due to loads always must be less than the shear strength of concrete. Flat slab system is an important division of concrete floor system. Slab is checked for deflection shear and development length. The slabs possessing ratio of longer length to its smaller length lylx higher than 2 is known as one way slab or else as two way slab. Rcc slabs whose thickness ranges from 10 to 50 centimetres are most often used for the construction of. For optimization of dome structure dynamic programming method is used. Longer spans can be achieved due to prestress, which can also be used to counteract deflections. Columns transfer vertical loads from a ceiling, floor or roof slab or from a beam, to a floor or foundation. Steedman are among the most renowned structural engineers and designers. Rcc slabs whose thickness ranges from 10 to 50 centimetres are most often used for the construction of floors and ceilings.
Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Rcc slab construction techniques in our local area. Form work the formwork should be to retain concrete, formwork or centering and shuttering is. Traditional construction joints are considered worldwide as the achilles heel of concrete slab placement roads, airports, industrial and commercial floors. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. Concrete slab types construction, cost, and applications. For those who do not know what are the des ign requirements of a slab. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Renovations rcc is considered to be the industry leader in concrete repair. Vol iii bill of quantities national building construction corporation limited a government of india enterprise 3 head office. Design of reinforced concrete 10th edition pdf free.
In many domestic and industrial buildings, a thick concrete slab supported on. Construction of prefabricated reinforced concrete structures 2012. Vapor retarders protect floor finishes over slabs vapor retarders are sheet materials used under concrete slabs on ground to restrict the flow of moisture vapor from the subgrade into and through the slab. Precast concrete floor slabs are lifted from the ground up to the final height by lifting cranes. Construction of rc components of buildings, the majority of which are standardized and produced either at the construction site, or much more often in plants in a location away from the. When i was in my undergraduate studies i was always looking for some very helpful reinforced concrete design book pdf and i was very much happy when i found this book reinforced concrete design handbook reynolds that i downloaded the file of reinforced concrete designers handbook in pdf. Rcc roof slab in the construction industry, when they use the word concrete, they are talking about reinforced cement concrete, also known as rcc. Advantages of reinforced concrete as a structural material. Material used in columns cement coarse aggregate fine. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. A finite element model may be created to analyse a complicated loading arrangement.
The benefits of using insitu concrete flat slab construction should be investigated at the conceptual design stage. Rcc slab construction techniques in our local area watch. Difference between reinforced concrete and prestressed concrete. Hence an rcc slab comprises of carefully worked out steel reinforcements in order to provide tensile strength to the structure as its an obvious fact that concrete mainly withstands compression load and i. A structure is an assembly of members each of which is subjected to bending or to direct force.
The reason why, concrete and steel are used together to construct rcc slab, is in their individual properties as separate building materials and their individual limitation. These materials are originally located at different websites. Vibration slabs rcc has been a leader in the field of noise, vibration and seismic control. Oneway and twoway slabs oneway slabs transfer the imposed loads in one direction only. It is used in one form or another for almost all structures, great or smallbuildings, bridges, pavements, dams, retaining walls, tunnels, drainage and irrigation facilities, tanks, and so on. Concrete is good in taking compression and steel is good in tension. Manual for the design of reinforced concrete building.
Structural concrete structures reinforced concrete construction. Reinforced concrete may be the most important material available for construction. Pt slabs offer the thinnest slab type, as concrete is worked to its strengths, mostly being kept in compression. Before going to this topic, please read it there are two types of slab classification based on the direction of bending occurs in these slabs. Although coldformed steel framing for floor systems also is permitted by the irc, it is not covered here. Filler slab technology is a simple and a very innovative technology for a slab construction. How can we calculate the weight of a concrete slab. Feb 12, 2018 slab construction practice in our local areas pratices skilled person a this is video dedicated to who doesnt know how construct slab. Besides being a medic, he loves blogging, and he always strives hard to share the highquality content with others. Flat slab analysis, design and detailing pdf civil engineering. Dec 17, 2016 rcc slabs whose thickness ranges from 10 to 50 centimetres are most often used for the construction of. Thin concrete slabs are also used for exterior paving purpose.
Sep 03, 2011 design of reinforced concrete slabs 107 b 1. Consequently, rcc construction benefits from the simplicity of placing compacted fill, and the strength and durability characteristics of concrete. Beam construction process according to work arrangement laying of rcc beam can be done in 4 stages 1. Design procedure steps for one way slab slab design steps. Posttensioned slabcolumn connection whe report 68, serbia and montenegro poured on the ground in forms, one on top of the other, as shown in figure 11. Number each of the steps starting from the lowest 2. Design of rcc structures lecturer notes topic wise pdf. May 10, 2015 rcc refers to reinforced cement concrete. Oneway and twoway slabs university of asia pacific. This is a common application in which gyms, or other noise sensitive applications. Various types of rcc slabs civil engineering projects. Reinforcement detailing of reinforced concrete slabs. Posttensioned slab column connection whe report 68, serbia and montenegro poured on the ground in forms, one on top of the other, as shown in figure 11.
A stair is to be designed to span a large vertical distance by dividing it into. Why does rcc slabs getting cracks after 4 hours of concrete pour. Dhang, department of civil engineering, iit kharagpur. Reinforced concrete designers handbook pdf download. What monuments used to look much different in the world. Jan 01, 2017 construction process column,beam,slab 1. A stair is a system of steps by which people and objects may pass from one level of a building to another. Rcc roof slab ultimate guide to find rcc roof slab. A vibration slab is a concrete floor used to reduce noise or vibration. Its a vertical member which transfers loads from slab and beam directly to subsequent soil. Flat slab analysis, design and detailing pdf civil.
Download fulltext pdf download fulltext pdf analysis and design of rcc and posttensioned flat slabs considering seismic effect article pdf available january 20 with 2,147 reads. Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below. Lecture series on design of reinforced concrete structures by prof. Consider not only the benefits in terms of potential design efficiencies but also the major advantages for the overall construction process, notably in simplifying the installation of services and the savings in construction time. The first reinforced concrete design manual formerly titled aci design handbook was developed in accordance with the design provisions of 1963 aci 318 building code by aci committee 340, design. Read more on safety measures for concrete construction. Pdf analysis and design of rcc and posttensioned flat. Rcc made easy gate handwritten notes free download pdf. Design of reinforced concrete 10th edition pdf free download. They also carry bending moments about one or both of the crosssection axes. Posttensioned slabs use highstrength tensioned steel strands to compress the slabs, keeping the majority of the concrete in compression. The slab may be supported by walls or by reinforced concrete beams usually cast monolithically with the slab or by structural steel beams or by columns, or by the ground.
327 1101 1219 1473 574 805 1009 477 970 1121 790 623 543 44 577 1020 1484 1569 1004 131 1159 1070 1526 589 236 272 528 190 231 644 550 640 1030 119 846 1309 596 117 1499 1221 455 845 1363 698 1344