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EXPERIMENTAL INVESTIGATION FOR THE BEHAVIOR OF ORDINARY REINFORCED HYBRID CONCRETE HOLLOW CORE SLAB | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 10, Issue 2, 2017, Pages 214-225 PDF (0 K) | ||
| Authors | ||
| Ammar Y. Ali; Labeeb S. Al-Yassri; Mohammed M. AL-Khafaji | ||
| Abstract | ||
| This paper presents an experimental study to investigate the effect of hybrid strength concrete (two types of concrete, 25 MPa and 70 MPa) on the behavior of one-way hollow core concrete slab ordinary reinforced with steel rebars. The hybrid HCSs showed an enhancement in shear strength capacity, cracking load and ductility as compared with to HCS with normal strength concrete (25 MPa). The increase in shear strength capacity and cracking load were about (16%) and (29%) respectively higher than normal strength hollow core slab. Also, from experimental results, the crack width of hybrid HCS was narrower than that for normal strength slab at all stages of loading. At service load stage, the width of crack was narrower than normal strength slab by about (10-31%). The failure mode still brittle diagonal shear failure. | ||
| Keywords | ||
| Hollow core slab; hybrid strength; shear strength capacity; cracking load; mode of failure | ||
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