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Issue:
Numerical Simulation of Spalling Resistance Performance of SFRC
Author(s):
FAN Xin
,
CHEN Ming-xiong
,
ZHANG Ke-ling
Pages:
225
-
228,235
Year:
2006
Issue:
2
Journal:
CHINESE JOURNAL OF UNDERGROUND SPACE AND ENGINEERING
Keyword:
爆炸力学
;
震塌
;
钢纤维喷射混凝土
;
坑道支护
;
数值模拟
;
Abstract:
数值模拟过程运用动力分析软件LS-DYNA3D,采用任意拉各朗日-欧拉算法,分别对相同岩石条件、相同跨度的坑道,在钢纤维喷射混凝土支护和无支护条件下抗常规爆炸的震塌过程进行了三维数值模拟,并将数值模拟结果与规范中其它支护类型在相同条件下的震塌落石速度进行对比.通过震塌剥落层速度的对比,量化说明了钢纤维喷射混凝土支护抗爆炸震塌的能力.
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