| 标题 |
A New Strain-Softening Model of After Peak on Deep Granite Based on Triaxial Stress-Strain Compression Test
基于三轴应力应变压缩试验的深部花岗岩后峰应变软化新模型
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| 其它 | Qiao, L. & Zhang, Y. & Cui, M.. (2016). A new strain-softening model of after peak on deep granite based on triaxial stress-strain compression test. 21. 7567-7578. The Granite samples selected was the depth over 800 meters, and were studyed through triaxial compression test, to obtain the elastic modulus, Poisson's ratio, friction and cohesion, compressive strength and mechanical parameters. Taking the plastic shear strain as the internal variable, the strength characteristics of the rock entering the plastic yield are studied and analyzed, and the variation of the strength parameters during the compression deformation is considered. The relationship between strength parameters of rock and plastic shear strain is obtained by using Weibull function fitting. Parameter variation method is embedded FLAC3D finite software. simulating the rock compression process and the fitting curve is similar with the test curve. |
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