岩石各向异性的单轴压缩试验研究  

Experimental study on the uniaxial compression of anisotropic rocks

作　　者：李正川[1] 

机构地区：[1]中铁二院工程集团有限责任公司三峡库区地灾防治顾问部,重庆400015

出　　处：《铁道科学与工程学报》2008年第3期69-72,共4页Journal of Railway Science and Engineering

基　　金：重庆交通科技攻关项目(2003k-04)

摘　　要：岩体具有不同程度的各向异性。对现场取样的各向异性岩石进行了单轴压缩试验,确定了描述岩石横观各向同性特征的5个弹性常数以及各向异性岩石的强度指标,并分析了各参数的变化规律。研究结果可为各向异性岩体工程计算和分析提供参考依据。Anisotropy exists in a rockmass with different scales. Based on anisotropy rock sampled from the situ, the uniaxial compression tests were performed. Five elastic constants which were used to describe the characteristic of anisotropy rock and strength index of anisotropy rock were determined by the tests,and the changing rule of these constants was analyzed.This experiment results can provide a references to calculate and analyze anisotropic rockmass engineering.

关 键 词：各向异性 单轴压缩 试验研究 弹性模量 泊松比 

分 类 号：TU458[建筑科学—岩土工程]