分别对大理岩、红砂岩和花岗岩等几种脆性比较明显的岩石进行了应力脆性跌落系数的试验研究。
Tests aims to research on the coefficient of brittle stress drop of several brittle rocks such as marble, red sandstone and granite are performed.
两者相比，高温后砂岩的峰值强度、弹性模量和变形模量有所提高，两者受温度影响均以脆性破坏为主。
Compared with both of them, the peak-value strength, elastic modulus, and deformation modulus of sandstone after high temperature increase by a little and they are all brittle fractures.
砂岩脆性破裂是一个自组织过程，产生了分形的破裂面和分形分布的徽破裂；砂岩的韧性碎屑流动是砂粒内的微破裂的连续滑动；
The process of sandstone fracture is a self-organized one, which produces the fractal fracture surface and fractal distribution of microfracture.
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