期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 184, 期 -, 页码 177-185出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.06.022
关键词
Deep beams; Shear; Ultra-high performance fiber reinforced concrete (UHPFRC); Web reinforcement; Shear span-to-depth ratio; Codes; Finite element model
资金
- ministry of Higher Education in Libya
This research aimed to study the minimum requirements of shear reinforcement for ultra high performance fiber reinforced concrete deep beams. The experimental results showed that increasing the provided vertical web reinforcement ratio has slight effect on the diagonal cracking strength and the ultimate shear strength. The maximum spacing between the vertical web reinforcement required by ACI 318-2014 for reinforced concrete beams (d/5) is not suitable for ultra-high performance fiber reinforced concrete deep beams, while for the EC-2 (2b) and that required by the Egyptian code ECP-203-2017 (200 mm) is applicable. The recommendations of AFGC-2013 and KCI-2012 are safe and conservative more than that required by ACI 318-2014. (C) 2018 Published by Elsevier Ltd.
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