plastic range meaning in Chinese
塑性范围
塑性区域
Examples
- Stresses in the plastic range
塑性范围内应力 - 3 . calculation ansys software will be used to calculate cavity pressure and radius of plastic range whose data will be contrasted with those worked out by formula . analysis will be made about their differences and the causes of them , and strongpoint and shortcoming of two different methods
计算分析部分该部分将用前面得出的公式计算出的小孔扩张力、塑性半径与用ansys软件计算出来的数据进行对比，分析它们之间的差别以及造成的原因，两种计算方法的各自优缺点。 - Secondly , in view of the limitation and shortage of traditional simulation of finite element approaches for bolt , a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt . then , an elastic - plastic finite element program will be developed for the analyses of tunnel stability , in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program , and conclusions of guidance importance for tunnel support design will be drawn . finally , simulation compution for the excavation and support of a highway tunnel will be made out using the above production , and the method of application of the program will be discussed ; analysis of the deformation , stress and distribution of plastic range will be done , and rational support plan will be worked out , which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further
首先,本文在综合分析隧道稳定性影响因素及失稳破坏模式的基础上,对全长粘结式砂浆锚杆作用力学机理进行了深入研究,为全长粘结式砂浆锚杆的有限元模拟分析奠定了基础;其次,针对传统锚杆有限元模拟方法的局限性与不足,在上述全长粘结式砂浆锚杆作用力学机理研究基础上,建立出能反映界面非线性粘结的新型复合砂浆锚杆有限单元模型;然后,运用上述复合砂浆锚杆单元模型,引进非线性有限元分析手段,开发了隧道支护稳定性分析的有限元程序,并就全长粘结式砂浆锚杆的型式与设计参数对支护效果的影响进行了深入探讨,得到了对隧道支护设计具有指导意义的结论;最后,运用本文研究成果对某公路隧道工程实例进行了开挖与支护的模拟计算,探讨了其应用方法,并就隧道变形与应力及塑性区分布规律进行了分析,从而提出了合理的支护方案,为隧道支护设计提供了参考依据,完善了隧道全长粘结式砂浆锚杆支护的理论与方法。 - Secondly , grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area , the paper built the elastoplastic fem numerical simulation model , and think over the procedure in tunnels excavation and the history of work of water load , and then get the relations between the different tunnels diameter , different permeability coefficient and depth of the grouting rock and the deformation , stress distribution and plastic range of the surrounding rock and support structure . finally , according to the modern design theory of tunnels construction , the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels
接着，本文在深入研究工程区高外水压力及高地应力分布规律及岩体特性的基础上，建立起高地应力、高外水压力作用下隧洞围岩结构非线性有限元仿真计算模型，然后考虑隧洞的开挖过程、水荷载的作用历史，通过计算分析得出了不同洞径、不同的灌浆圈渗透系数和不同的灌浆圈深度以及不同开挖过程与围岩及支护结构的应力、位移和塑性区的关系。