隧道变形 meaning in Chinese
tunnel deformation
Examples
- Deformation prediction of tunnel by using artificial neural networks
人工神经网络在隧道变形预测中的应用 - Analysis on the tunnel deformation mechanism of wushaoling tunnel crossing f7 faultage and exploration on its support measure
7断层隧道变形机理分析及其支护措施的探讨研究 - As the result shows , the deformation of both tunnels and the ground is controled within the design scope
两隧道在施工过程中均未出现险情，隧道变形和地面变形也控制在设计范围内。 - Main contents and characters of the paper are as follows : ( 1 ) it systemly explains definition and classification of soft rock . lt gives analysis on geologic and engineering characters of soft rock , and deeper disscussion on failure causes of soft rock tunnel . it also shows the mechanism of deformation and failure
本文的主要研究内容和特色如下： ( 1 )系统地论述了软岩的定义及分类，分析了软岩的地质特征和工程特性，对软岩隧道失稳原因进行深入的探讨，论述软岩隧道变形失稳的力学机制。 - 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。