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author:

阎广斌 (阎广斌.) [1]

Abstract:

通过PFC颗粒流数值分析软件对SHPB试验进行数值模拟,研究了不同应变率对花岗岩力学性能的影响,探讨了不同应变率对花岗岩峰值应力、峰值应变的影响规律,分析了花岗岩在不同应变率作用下的破坏规律.结果表明:随着应变率的增加,峰值应力显著增加,表现出较强的应变率相关性;应变率增大,弹性模量随之增大.冲击荷载下花岗岩试件裂纹以拉伸为主,试样的动态破坏破碎程度随着应变率的增大而增大.

Keyword:

SHPB 应变率 数值模拟 花岗岩 颗粒流

Community:

  • [ 1 ] [阎广斌]福州大学

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Source :

建筑技术开发

ISSN: 1001-523X

CN: 11-2178/TU

Year: 2022

Issue: 1

Volume: 49

Page: 1-4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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