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Abstract:
对14个钢筋混凝土箱型薄壁墩进行了双向拟静力试验,考察了长细比、轴压比、配箍率等对箱型薄壁墩双向荷载-位移滞回曲线、骨架曲线、位移延性、滞回耗能和极限曲率等特性的影响,讨论了箱型薄壁墩的双向滞回性能.结果表明:在水平双向反复荷载作用下,箱型薄壁墩以弯曲破坏为主,低墩破坏区域集中于墩底,高墩的破坏区域明显上移;长细比越大,轴压比越小的箱型薄壁墩滞回曲线越饱满,变形能力越大;在长细比为6.9~13.1的范围内,位移延性系数随长细比的增大而减小,长细比为16.3的试件位移延性系数明显增大;长细比大于13.1的试件塑性破坏范围明显增大,但极限曲率显著降低.
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Source :
东南大学学报(自然科学版)
ISSN: 1001-0505
Year: 2013
Issue: 1
Volume: 43
Page: 180-187
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 8
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 5
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