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本试验的目的是测定规则形状的岩石试样在单轴压力作用下的纵向和横向变形量,绘制应力-纵向应变曲线和横向应变-纵向应变曲线,从而求得弹性模量和泊松比。
The purpose of this test is to determine the longitudinal and transverse deformation of regular shaped rock samples under uniaxial compression. The stress-longitudinal strain curve and the transverse strain-longitudinal strain curve are plotted to obtain the elastic modulus and Poisson’s ratio.