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Experimental Study for Effect of Pervious Fire on Punching Shear Strength of Self Compacted Concrete flat plate Slabs | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 14, Issue 1, 2010, Pages 52-64 | ||
| Author | ||
| Ali H. Aziz | ||
| Abstract | ||
| The effect of different pervious heating rates on punching shear strength of self compacting concrete flat plate slabs is studied as well as the effect of different heating rates on hot mechanical properties of SCC. Twelve square shaped slab specimens, divided into three groups with four sub groups each tested as well as a series of control specimens. The slab specimens and control specimens were subjected to high heating for at least one hour after reaching a specified temperature (100, 300 and 500 ). Experimental results show that the increase in compressive strength of self compacting concrete (SCC) improves the resistance to punching shear and this allows for higher forces to be transferred through the slab-column connection. Also, the results show that the heating rate (100 to 200 ), does not significantly affect on ultimate shear capacity of high strength SCC. The results show reductions in ultimate shear capacity (3% to 26%) when the heating rates increased. | ||
| Keywords | ||
| fire; Punching; shear; Self compacting Concrete; Flat plate; Slabs | ||
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