有色金属科学与工程2016,Vol.7Issue(3):89-93,5.DOI:10.13264/j.cnki.ysjskx.2016.03.016
基于RTS-500岩石流变仪三轴强度和变形特性
Three axis strength of deformation characteristics of rock rheometer based on RTS-500
摘要
Abstract
Triaxial tests were performed under different wall rock conditions by applying RTS-500 triaxial rheometer. The peak stress and its changing rule under triaxial confining pressure were determined. The rock variation of c,φvalue were calculated in accordance with the Mohr-Coulomb strength theory. Furthermore, the strength and deformation characteristics of quartz schist were analyzed. The results show that the rock demon-strate brittle characteristics under low confining pressure with non-uniformed rock internal heterogeneity. The rock specimen is observed in a changing tendency from low to high yield at high confining pressure with uni-formed internal characteristics. The rock tends to transform from brittle to plastic features. The peak strain and confining pressure of rock show a significant linear relationship. The sensitivity of the residual strength of the rock is obviously higher than the peak strength. Moreover, the experiments of RTS-500 rock rheometer system is precise and reliable.关键词
三轴试验/RTS-500/岩石强度/岩石力学/应变Key words
triaxial test/RTS-500/rock strength/rock mechanics/strain分类
矿业与冶金引用本文复制引用
陈辰,卓毓龙,肖伟晶,王晓军,冯萧..基于RTS-500岩石流变仪三轴强度和变形特性[J].有色金属科学与工程,2016,7(3):89-93,5.基金项目
国家自然科学基金资助项目(51304083);江西省科技支撑计划项目 ()