| 1. | Analysis of shear failure features of rock material
岩石材料的剪切破坏特征 |
| 2. | Influence of heterogeneity on macroscopical crack form of the brittle rock
细观非均匀性对脆性岩石材料宏观破坏形式的影响 |
| 3. | Numerical simulation on volume effect of rock specimens under uniaxial compression
单轴压缩下岩石材料体积效应的数值模拟 |
| 4. | The near crack line analysis method is used to investigate an eccentric crack loaded by shear forces in a finite plate , and the analytical solution are obtained
摘要利用裂纹线场方法对岩石材料偏心裂纹板受剪应力作用时进行了弹塑性分析，并且获得了理论解。 |
| 5. | ( 6 ) basing on a constitutive model for elastic and damage rock , which is set up using the eshelby equivalent inclusion method and cdm , a damage viscoelasticity model for rock is deduced
( 6 )在采用各向同性介质中的eshelby等效夹杂理论和连续介质损伤力学( cdm )方法建立的岩石损伤本构模型基础上利用对应性原理建立了岩石材料的损伤粘弹性本构关系。 |
| 6. | As is known that the water in the rock contains a mount of salt , and the kind and content in turn make the water freezing temperature variable . on the ot her hand , rock material will shrink when frozen , and expand when warmed
主要是由于岩石中的水融有一定量的盐类物质，盐类物质的存在及其含量的差异使的水分的冰点具有一定的可变性，而岩石材料本身具有热胀冷缩的性质。 |
| 7. | Abstract : by analyzing strain softening micromechanical damage process of rock , the softening micromechanical damage model of rock is established and the softening constitutive relation of rock under one _ dimension tension is also obtained
文摘:通过分析岩石材料应变软化的细观损伤力学过程，建立了岩石软化阶段的细观损伤力学模型，从而得到单向拉伸状态下岩石软化过程的应力应变本构关系 |
| 8. | A new material parameter , where is density and subscript 0 and 00 represent different initial density , and ph and ph represent hugoniot pressure of 0 and 00 which compressed to the same density , was find out to keep in constant along hugoniot
特别对岩石材料，很难获得初始密度完全一致的实验样品，使这一问题更加突出。因此，对不同初始密度样品的hugoniot数据统一进行分析修正(比如都修正到密实密度之下) ，对hugoniot数据的进一步分析是十分必要的。 |
| 9. | Abstract : incompatible element nh11 and hybrid stress element 18 were employed to analyze rock burst occurring in coal face 9108 of sanhejian coal mine . compared with the results from ansys , the two optimized fems can execute more accurate numerical simulation in the research of rock burst as well as other rock problems and lessen the errors from inaedquately meshing in huge calculations due to the limitation of labor and computer time . in addition , the criterion of averaged generalized stress rate was proposed and used to determine the site and moment of rock burst . the given conclusion is in accordance with the face of coal face 9108 very well
文摘:利用优化非协调元和杂交元分析了三河尖矿冲击矿压，并与ansys程序的计算结果进行了比较.认为优化有限元在冲击矿压乃至岩石材料的数值模拟中能给出更为精确的结果，也可减小大型计算中由于人力、机时所限粗分网格产生的误差.分析中，采用了广义平均应力率准则来判断冲击点位置和冲击时刻，所得结论与实际情况吻合 |
