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延期时差对多截面承重立柱框架结构拆除爆破效果的影响.pdf


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文档列表 文档介绍
第 卷 第 期 爆 破 器 材
50 2 框架结构 延期时差
; ; ;
[分类号]
TU746. 5
Influence of Delayed Time Difference on Demolition Blasting
Effect of Multi-Section Load-Bearing Column Frame Structure
① ① ① ② ①
GAO Wenle ,ZHAO Delong ,LI Yuanzhen ,ZHANG Zehua ,LI Kunpeng
① College of Civil Engineering and Architecture, Shandong University of Science and Technology (Shandong Qingdao, 266590)
② College of Pipeline and Civil Engineering, China University of Petroleum (East China) (Shandong Qingdao, 266580)
[ABSTRACT]
In order to explore the optimal delay time difference of multi-section load-bearing column frame structure
with triangular blasting cut, the finite element method was used to establish the separated common node model by using
ANSYS / LS-DYNA Software. The collapse effect of the structure under eight different delay time differences was numerically
simulated, and the influence law of delay time difference on demolition blasting effect of multi-section load-bearing column

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  • 时间2022-01-25