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- ground deformation law 地面变形规律
- The test simulated truthfully ground deformation and rock mass movement at different mine level. 该试验逼真地模拟地下不同的开采水平引起的地表变形和围岩移动过程。
- Under the condition of exposed basement rock in Songzao mining area, the deformation law of destruction of solutio... 分析了在松藻矿区基岩裸露条件下,浅地表溶洞受采动影响的变形破坏规律。
- So macroscopical damage mechanism of rock mass should research through its load and deformation law. 所以煤岩的宏观破坏机理应从其荷载以及变形规律来研究。
- Increased loading, pipes easy to corrode, leakage and pipe rupture easily increase, easy to expanse and easily cause ground deformation. 增加承重,排管易腐蚀,易增加漏水和管材破裂现象,易膨胀造成地面变形。
- In landfill operation period, the HDPE was also leaked because of the ground deformation, machinery breakage, chemistry corrosion reasons. 在运营期间,由于地基不均匀下陷、缩性形变、机械破损、化学腐蚀等原因引起HDPE膜渗漏。
- By outcomes of latest theory research, the direct formula about dilatancy angle and surrounding ground deformation is introduced. 利用最新的弹塑性理论研究成果,推导出了膨胀角与围岩变形的直接关系式;
- The results show that the nuclear power station is sate, its horizontal displacement and settlement amount agree to the deformation law and are normal building deformation. 结果表明:核电站是安全的,其水平位移、沉降量符合客观规律,属正常形变,为今后解决核电站建筑物变形观测问题提供了可靠的依据。
- The results show that the upsetting deformation law of sintered preform is alike with the compact body,and the crank press is the best equipment of powder forging technology. 结果表明:烧结体的镦粗变形规律与致密体相同。指出了曲柄压力机是粉末锻造工艺的最佳设备。
- Mining strata movement and deformation law; rock movement control theory and methods; Rock movement monitoring technology; rock movement and deformation computer simulation. 矿山开采岩层移动与变形规律;岩层移动控制理论与方法;岩层移动监测技术;岩层移动与变形的计算机仿真等。
- Through the study of ground deformation,variable mining ratio method was put foreward to raise coal output ratio,effective measures to realize the method were introduced. 通过对地表移动变形规律的认识,提出了采用变采留比方法以提高条带法开采采出率,并对该方法影响效果进行了分析,提出了实施此方法的有效措施。
- To cooperate with the development of the numerical control system of plate bending and to optimize the process, the deform law of this process has been studied. 系统研究了卷板过程的机理,建立了卷板模拟的弹塑性大变形有限元方程,研究了系统中单元的选取,接触边界条件的处理。
- In this paper the authors also discuss the relationships between these characteristics and the geological structures, the structure of depthin seismic focus area, and the characteristics of ground deformation before and after main earthquake. 文中讨论了这一分布特征与震源区地质构造、深部结构以及主震前后地面形变特征的关系。
- The front earth pressure value could also be controlled in the range of set value by adjusting the advancing speed, screw conveyor revolving speed and cutting wheel revolving speed, which lead to reduce ground deformation. 通过实时调节控制推进速度、螺旋输送机转速以及刀盘转速,可以控制正面土压力在设定范围内,从而有效减少地表变形。
- Based on the creep experimental curve, the creep deformation law of silty soft clay of the first marine layer and its constitutive relationship among stress-strain-time is studied in this paper. 本文在蠕变试验曲线的基础上,研究了天津市第一海相层淤泥质粉质粘土的蠕变变形规律,得出应力、应变、时间三者之间的本构关系。
- So the creep mechanism and the deformation law of rockfill could be gained from the variation of fabric tensors, and thus the creep mechanism of rockfill might be revealed from the microcosmic view. 堆石体组构张量与应力张量和应变张量有密切的关系,从组构张量的变化可以导出堆石体的变形机理和规律,从而揭示堆石体材料流变变形的细观机理。
- Using the decay time function of ADINA, the deformation law of the surrounding rock in the process of the new Austrian tunneling method;and the accuracy of the analytical results is improved. 利用ADINA有限元软件中的时间衰减功能真实地模拟了新奥法施工过程中围岩变形规律,提高了结果分析的精确性。
- To simulate the deform process of metal material by elastoplasticity finite .The coordinate is renewed after each iteration in order to simulate the deform law of elastoplasticity. 利用增量有限元理论,对金属材料的变形过程进行模拟。为了模拟工程中塑性变形较大的构件的变形规律,在每个加载步迭代完成后自动实现坐标更新。
- The ground deformations in loess tunnels are divided into three types,namely ground fracture,ground collapse and settlement pit,and ponor. 已建和在建的黄土地区的很多隧道出现了地表变形灾害,黄土隧道的地表变形一般有以下三种类型:地表裂缝,地表塌陷和陷穴、落水洞。
- At same time we analysed the necessary of reaming after pressing-bushed and found out the deformed law in the hole through a lot of testing. 同时分析了压套后铰孔的必要性,经大量试验摸清了套内孔变形规律,确定了预留铰孔量。