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Numerical Simulation of Spalling Resistance Performance of SFRC
Author(s): 
Pages: 225-228,235
Year: 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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