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|Title:||Punching shear strength of steel fiber reinforced concrete slabs|
|Authors:||Tan, Kiang-Hwee |
|Source:||Tan, Kiang-Hwee,Paramasivam, P. (1994-05). Punching shear strength of steel fiber reinforced concrete slabs. Journal of Materials in Civil Engineering 6 (2) : 240-253. ScholarBank@NUS Repository.|
|Abstract:||The punching shear behavior of steel fiber reinforced concrete slabs was investigated in the present study. Each of 14 square slabs was simply supported along four edges and loaded to failure under a concentrated load over a square volume fraction of steel fibers p∫, slab thickness h, concrete strength f'c, and size of loading-bearing plate r. Test results indicate that the load-deflection curve of slabs exhibit four distinct regions that may be characterized by first cracking, steel yielding, and ultimate load. Within the scope of the test program, an increase in the values of p∫, h, or r was found to lead to an increase in both the punching shear strength and the ductility or the slab. The ultimate punching shear strength and the ductility of the slab. The ultimate punching shear strength of the slabs was compared with the predictions of equations available in the literature and code equations for reinforced concrete. The British Standard CP110's equation was found to estimate the punching shear strength of the test specimens reasonably well.|
|Source Title:||Journal of Materials in Civil Engineering|
|Appears in Collections:||Staff Publications|
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