The effect of local reinforcing bar reductions and anchorage zone cracking on the load capacity of RC half-joints
The effect of local reinforcing bar reductions and anchorage zone cracking on the load capacity of RC half-joints
复制标题
局部钢筋减少和锚固区开裂对钢筋混凝土半节点承载能力的影响
DOI:
10.1016/j.engstruct.2017.09.021
复制
发表时间:
2017
影响因子:
5.5
通讯作者:
Desnerck P
中科院分区:
文献类型:
--
作者:
Desnerck P
Half-joint beams, also referred to as dapped-end beams, have been the subject of several studies, primarily focussing on the design optimisation of new reinforced concrete beams and bridge decks. Existing half-joint structures, however, often show signs of deterioration and can exhibit improper reinforcement detailing. In order to gain a better insight into the impact of local corrosion, anchorage cracking, limited amounts of provided shear reinforcement, and improper reinforcement detailing, a test program was designed. Full-scale tests on nine half-joint beams were performed.The results of the study show that even though the impact of an individual shortcoming on the load carrying capacity of reinforced concrete half-joint beams might not be substantial, inspectors and assessors should pay attention to the possibility of combined effects. When multiple deterioration processes are noted and/or questions are raised with respect to the reinforcement detailing, the impact on the load carrying capacity of the beam might be larger than the linear combination of the individual effects.
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DOI:
--
发表时间:
2014
期刊:
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作者:
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通讯作者:
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DOI:
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2011
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发表时间:
2010
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2005
期刊:
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