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Abstract:
为了测定全级配混凝土梁的抗弯强度,采用位移控制的加载有限元程序模拟了全级配混凝土梁的弯拉实验,得到了相应的弯曲拉伸应力-应变全曲线。数值模拟得到的梁的极限荷载、抗弯强度与试验结果基本吻合。数值模拟结果还表明,四级配混凝土梁的极限荷载高于三级配混凝土梁,但是抗弯强度低于三级配混凝土。梁的最终破坏表现为一条主裂缝贯通混凝土梁的横截面,表现出较强的拉应变软化现象和局部化现象。
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水力发电
Year: 2008
Issue: 02
Page: 23-25
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 11
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