Experimental Study for the Physical Mechanical Behaviour of Mud Stone In One Open Pit Coal Mine

Yuan Jianxin; Peng Guangzhong

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Experimental Study for the Physical Mechanical Behaviour of Mud Stone In One Open Pit Coal Mine

更新时间：2026-06-25

- Experimental Study for the Physical Mechanical Behaviour of Mud Stone In One Open Pit Coal Mine
- Vol. 6, Issue 1, (1985)
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- Online First：22 March 2017，
  
  Published：1985
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Yuan Jianxin, Peng Guangzhong. Experimental Study for the Physical Mechanical Behaviour of Mud Stone In One Open Pit Coal Mine[J]. 1985, 6(1).
DOI：

Yuan Jianxin, Peng Guangzhong. Experimental Study for the Physical Mechanical Behaviour of Mud Stone In One Open Pit Coal Mine[J]. 1985, 6(1). DOI：

摘要

本文对某大型露天煤矿一坑道泥岩的物理力学和物理化学特性的试验研究进行了全面的介绍。试验结果表明泥岩中含有的大量亲水性粘土矿物和少量的水稳性胶结物质及其较松弛的结构和高的含水量是泥岩物理力学特性形成和演变的基本因素。本文给出了在动态荷载作用下泥岩的强度与重复荷载次数之间的关系

泥岩在不同围压条件下的破坏机理以及泥岩强度与含水量之间的关系。最后

通过有限元的分析计算得出了均质泥岩路基与非均质(层状)泥岩路基的变形与轮压下的位移值。

Abstract

This paper presents the experimental study for the physical-mechanical-chemical behaviour of the mud stone for one open pit coal mine. The experimental results indicate that large amount water affinity and colloid material are contained in the mud stone. It is find out that the mud stone under investigation has loose structure and high degree of saturation. The relation between the number of dynamical loading cycle and the strength

deformation of mud stone. It is find out that the mud stone under investigation has loose structure and high degree of saturation. The relation between the number of dynamical loading cycle and the strength

deformation of mud stone is obtained through the dynamical triaxiali shear tests. The failure mechanism under different confine stress and the relation between the moisture content and the strength of the mud stone are also investigated. Finally

the displacement under wheel points and the deformation and non-homogenous road base under different loading by finit element analysis are given in this paper.

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