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|Title:||ULTIMATE STRENGTH OF REINFORCED CONCRETE SLABS|
|Authors:||Vaish, Vijandar Kumar|
|Abstract:||The present design procedures for the design of R.C.Slabs are based on elastic analysis of the slab. The elastic analysis fails to give the collapse load of R.O. slabs because near the failure concrete and, steel both are more near to plastic phase than elastic phase. Moreover, con-crete does not behave as an elastic isotropic material even at early -stages of loading. Therefore, it is more rational to base the design on ultimate strength of the structure. In this work an attempt ha.1, been made to elaborate the ultimate strength analysis of slab by yield line theory. Economical analysis has been done for a rectangular slab and complete analysis of a square slab supported on two adjacent edges is also given. Tables are given to calculate the corner effect by an approximate method. Difficulties encountered in design of slabs by this method have been dis-cussed in the chapter III. The last Chapter deals with the experiment carried out in Structural Engineering Laboratory of the University of Roorkee to varify the theoretical results. 37 reinforced concrete slabs of small dimensions (about 36" x 36") were tested to destruction. Results are tabulated in Tables 4.1 to 4.5. Photographs of cracks and load deflection curves of a few selected slabs are included at the end. Conclusions drawn from this study are given at the end.|
|Appears in Collections:||MASTERS' DISSERTATIONS (Civil Engg)|
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