Study on the cutting plane friction law of sandstone

被引：1
|
作者：
翟英达
康立勋
机构：
[1] College of Mining Engineering
[2] Taiyuan 030024
[3] College of Mining Engineering Taiyuan University of Technology
[4] China
来源：
Journal of Coal Science & Engineering(China) | 2003年 / 02期
关键词：
tension damage plane; friction; roughness coefficient; wall compressive strength; basic friction angle;
D O I：
暂无
中图分类号：
TD315 [岩石力学性质试验];
学科分类号：
0819 ;
摘要：
The friction characteristics of rock damage plane have important impact on the stability of block structure formed after the stratum is broken. The mechanics properties of rock damage plane are described by parameters such as roughness coefficient, wall compress strength and basic friction angle. These three coefficients for fine grain sandstone and medium granular sandstone and grit sandstone are test. The friction stress is researched at the condition of different normal compressive stress acting on the tension damage plane. The friction law of tension damage plane of sandstone abided by is summed up. This law will provide scientific basis for block structure stability judging in basic roof stratum and roof pressure intensity calculating.
引用
收藏
页码：40 / 42
页数：3
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