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Author:

付佳欣 (付佳欣.)

Abstract:

以连续梁桥为研究对象,通过LS-DYNA和MIDAS软件数值仿真探究爆炸荷载作用下预应力混凝土简支转连续T梁上部结构损伤模式以及剩余承载力。结果表明:当爆炸荷载作用在简支转连续T梁桥的桥面板上时,形成了类似长方形孔洞,桥面板破损面积和腹板损伤程度随着炸药当量的增加而变大;爆炸损伤后的桥面板仅对爆点所在跨径T梁的弯矩影响大;相同炸药当量条件下,跨中处爆炸对简支转连续T梁桥梁弯矩和正截面抗弯承载力的影响比靠近支座处爆炸时影响大。

Keyword:

钢筋混凝土T梁 爆炸荷载 剩余承载力 破坏损伤

Author Community:

  • [ 1 ] 北京工业大学

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Source :

四川水泥

Year: 2022

Issue: 10

Volume: PageCount-页数: 4

Page: 257-259,262

Cited Count:

WoS CC Cited Count: 11

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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