To see their result for this slab we will find the load factor. Design of two way slabs one way slab, continuous slab using i s coef. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Flat slab analysis, design and detailing pdf civil.
Design of reinforced concrete structures is an introductory design course in civil engineering. Design of reinforced concrete structures lecture series on design of reinforced concrete structures by prof. Objectives and methods of analysis and design, and properties of concrete and. Design and analysis of retaining walls 3 f crib walls or coffer dams are cells or units to be filled with soil or builtup members of pieces of precast concrete or metal and are supported by anchor pieces embedded in the soil for. Composite slab worked example 1 made by sssr date 140500 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. Flat slab analysis, design and detailing pdf civil engineering. Nptel advanced foundation engineering1 note that the top of the stem of any retaining wall should not be less than about 12 in. Flat slab flat slab are also known as beamless slab, is a type of slab in which the flooring slab is directly supported on columns without the. Analysis and design of bridge and culvert practical training report submitted in partial fulfillment for the requirements of the degree master of technology in structural engineering by paul tom p. Analysis and design of steel deckconcrete composite slabs. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems.
Design of cantilever slab spreadsheet engineering books. Following are the rcc slab design and detailing guidelines. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. The slab is propped at the centre during construction stage. Accordingly, main reinforcement is required in the two directions. With your download, get the 12 best papers relevant to this one, including 11 top related papers.
For those who do not know what are the des ign requirements of a slab. Reinforced concrete slab design and detailing guide is456. 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. Design of one way and two way slabs, design of staircases. Analysis and design of flat slab and grid slab and their cost comparison. Pdf analysis and design of flat slab and grid slab and. Deisgn of 2 way slab nptel beam structure bending scribd. The beams run both ways and the columns and, located at the intersection of the beams. Flat slab analysis and design pdf flat slab design pdf 1 this pdf lecture is created by eng. Introduction concrete slabs on grade are a very common type of concrete construction. A comparison between experimental and analytical studies article pdf available december 2012 with 9,803 reads how we measure reads. Design project calculation sheet checked by pu date 080800 check the adequacy of the continuous composite profiled deck slab with spans of 3.
Ultimate behavior of oneway spanning slab linear elastic analysis methods such as moment distribution are linear elastic methods. However, most of these structures are the assembly of several basic structural elements such as beams, columns, slabs, walls and foundations anim. Limit state of collapse flexure theories and examples. Mat or raft foundation is a large concrete slab supporting several columns in two or more rows. They are projections from wall face of lintel beams or floor slabs. Civil engineering design of concrete structures nptel. The design bending moments are zero at discontinuous ends, negative at continuous ends and positive at midspans. Find depth of slab using deflection control criteria. Civil engineering design of reinforced concrete structures nptel. Nptel video lectures, iit video lectures online, nptel youtube lectures. Design shear strength of concrete in twoway slabs is to be determined.
Concrete slab design procedure7 design of continuous slab basics of reinforced concrete slab design slabs are generally designed on the assumption that they consists of. It is used where the supporting soil has low bearing capacity. However, the bottom of the base slab should be positioned below the seasonal frost line. Structural details of slab culverts 3 for spans less than 3.
For this slab, panel a has two discontinuous exterior edges and two continuous interior edges, panel b has one discontinuous and three continuous edges, while the interior panel c has all edges continuous. Reinforced concrete design 1 design of slab examples and. Nptel advanced foundation engineering1 module 7 lecture 24 to 28 retaining walls topics 24. Santha kumar indian institute of technology madras introduction 1.
One way slab design how to design one way slab daily civil. Nalitolela for the department of civil engineering of mbeya university of science and technology. Here are the steps for the design procedure for one way slab in steps. Accordingly, the designer has to learn the design of these basic reinforced concrete elements. Find the following parameters for design moments in step 2 per unit width step 4 note. Design of slabs part 1 design of slabs part ii design of slabs part iii. Flat slab system is an important division of concrete floor system. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. In case of slabs thin members, no need of even minimum shear reinforcement. One way slab being supported on two opposite sides only leads to the structural action in single direction. Nancy debora assistant professor civil karunya university 2. Aci 360, design of slabsongrade, refers to this as a type b slab. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place.
The building is located in seismic zone iii on a site with medium soil. Design of reinforced concrete structures ii twoway slabs 1 1. Design of short and long columns with axial and eccentric loading, design of isolated column footing. Even while designing they are considered as oneslabs with cantilever fixed or continuous at supports. The bearing capacity increased by combining all individual footings in to one mat since bearing capacity. Department of mechanics, materials and structures english. The slab has to carry a distributed permanent action of 1. Design of reinforced concrete structures pdf notes drcs. Nptel civil engineering design of concrete structures. The construction and design of concrete slabs on grade d. Jun 29, 2010 lecture series on design of reinforced concrete structures by prof. Design procedure steps for one way slab slab design steps.
Twoway rectangular, square, triangular and circular slabs nptel. Slab with basement walls as a part of the mat figure 5. Objectives and methods of analysis and design, and properties of concrete and steel. These materials are originally located at different websites. Structural steel composite slab 1 of 7 rev design project. Module 5 lectures 17 to 19 mat foundations topics 17. The design of these modern reinforced concrete structures may appear to be highly complex.
Here you can download the free lecture notes of design of reinforced concrete structures pdf notes drcs notes pdf materials with multiple file links. Oneway and twoway slabs university of asia pacific. Reinforced concrete design 1 design of slab examples. According to art of design and uses of materials there are following methods. Deisgn of 2 way slab nptel free download as pdf file. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. Design of staircase examples and tutorials by sharifah maszura syed mohsin example 2. Pdf design of composite slabs with profiled steel decking. Without significantly increasing the slab depth and weight compared to those of composite slabs with typical span, it was found that these long span slabs showed good performance under the load tests.
For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. The bearing capacity increased by combining all individual footings in to one mat since bearing capacity is proportional to width and depth of foundations. Design of masonry short and long walls, columns and retaining walls. Shear due to loads always must be less than the shear strength of concrete. For span from 5 to 9m thin flat slabs are the preferred solution for the. Pdf rcc bridge and culvert design paul tom academia.
A civil engineer must know all the aspects regarding the flat floor system. Design of slab for flexure 067 m unit width of slab. Asce, secb course content slab on grades construction. Nancy debora assistant professor civil karunya university. Dhang, department of civil engineering, iit kharagpur. Moduleiii design of short and long columns with axial and eccentric loading, design of isolated column footing. Reinforced concrete design 1 design of staircase examples. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. Reinforced concrete sk 33 section through slab showing stress due to moment. Structural design guidelines for concrete bridge decks. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Design of reinforced concrete structures pdf notes drcs notes pdf unit v footing.
Design of composite slabs with profiled steel decking. Design of reinforced concrete structures ii twoway slabs. The construction and design of concrete slabs on grade. The cross section of the profiled sheeting is shown in fig. Slab is checked for deflection shear and development length. The wire reinforcing institute recommends the use of the subgrade drag theory for slabs up to 150 feet in length. The two classifications are oneway slab and twoway slab. A six storey building for a commercial complex has plan dimensions as shown in figure 1.
Four long span composite slab specimens of 20 ft span length, using two different types of deck profiles, were built and tested experimentally. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Design of reinforced concrete structures nptel online. Bending will take place in the two directions in a dishlike form. The depth, d, to the bottom of the base slab should be a minimum of 2 ft.
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