Rc is a composite material with rebar and concrete that have different physical mechanics characters , and its constitutive relationship is relatively complex 摘要钢筋混凝土是由钢筋和混凝土两种具有不同物理力学性质的材料组合而成的复合材料，其本构模型比较复杂。
Therefore , the investigation on its mechanical properties and fracture process is of a vital importance to mining engineering , underground engineering and engineering 对混凝土材料的力学性质及破坏过程的研究对于结构工程、地下工程以及采矿工程等都有重要的意义。
The philosophy , equipment , program and primary result of test are presented for the changing law of rock mechanics properties during development of oil and gas 介绍了模拟油气开发特定地层条件下求取岩石力学性质变化规律的实验思路、实验设备、实验方案和初步实验结果。
The effects of the nonwoven matrix materials made of different fibers through different processes on the germinating , growing density , appearance of turf have been discussed 摘要论述了不同非织造布基质材料的基本力学性质，尤其是与草皮生长相关的物理化学性质的测量与表征。
In addition , the notable influence of experimental humidity to the rock deformation indicates that water affects the mechanics character of rock in great degree 另外，环境湿度对岩石的变形有较大的影响，仅次于总荷载和持续时间，表明水在很大程度上对岩石的物理力学性质产生影响。
Final , based on the analysis about physical and mechanical characteristic of three kinds of embankment fillings , advantage of light filling opposite stone filling is proved 最后，在对路堤填料的物理力学性质进行理论分析的基础上，论述采用轻质填料代替现在普遍使用的土石填料的优越性。
The main conclusion made from the test is that the rock mechanics properties are always changed and mainly affected by stress state and saturation of pore fluid during developmentof oil and gas 指出油气开发过程中岩石力学性质是不断变化的，且主要受岩石的应力状态和孔隙流体含量的影响。
Laboratory tests were carried out on two aggregate gradings with asphalt content of 7 % , 8 % and 9 % , and with cement content of 2 % , 3 % and 4 % respectively 摘要通过室内试验测试了两种集料级配下，乳化沥青用量分别为7 % 、 8 % 、 9 % ，水泥用量分别为2 % 、 3 % 、 4 %时水泥乳化沥青混凝土的物理、力学性质。
When molding in dry state , it ' s showed that the density is the main influence factor of the strength , which the mechanics property of pile can be increased by improving the density of pile 桩体采用干料形态成型，密实度是影响桩体强度的关键，改善桩体密实度可以有效提高桩体的力学性质。
In the second experiment , we proposed a method of dynamic mechanical experiment on the arterial wall with blood circulation simulation system and non - contiguous radius measurement system 在本次实验中，首次采用血液循环模拟装置以及自行研制的非接触直径测量系统，完成了动脉壁动态力学性质的实验。
