分析了新建地铁车站深基坑开挖过程中既有车站内的轮轨接触荷载对车站结构及其周围土层变形的影响。
The structure deformation of old metro station and ground settlement in proximity by vehicle contact load is analyzed during the deep excavation of nearby new transfer metro station.
水泥混凝土路面面层与贫混凝土基层界面的接触状况，不仅直接影响到路面的接缝间距，同时也对路面的荷载应力有较大影响。
The contact condition between PCC surface layer and poor cement concrete base course directly influences the space between joints and the loading stresses in the pavement.
应用虚位移原理和结合考虑材料交界面上的约束条件，文章建立了接触单元的刚度矩阵和等效荷载向量。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
本文首先介绍了列车振动荷载产生和作用的机理，轮轨耦合动力学分析模型，轮轨接触模型和轮轨不平顺模型。
This paper introduces the producing and acting mechanics of the train vibration loads, wheel-rail couple dynamic model, wheel-rail contact model and irregularity model.
以桥梁拱脚为例，依据实验结果提出了一种模拟预应力钢索与索道壁之间接触压力等代荷载的实用的方法。
Taking an arch foot as an example, a practical met hod was proposed to simulate the contact pressure of the prestressed tendon according to the experiment.
风荷载是接触网设计中主要的可变荷载，风速取值的正确与否对接触网的运行安全及系统的经济性至关重要。
Wind load is a main variable in OCS design, its right selection is very important for safety operation of OCS and economic efficiency of the system.
以大口径金属管道为对象，通过数值模拟研究了金属管道在局部外接触爆炸荷载作用下的应力波对其的效应。
Effect of stress wave on larger diameter metal pipe was studied by numerical simulation under local external contacting explosion.
在水平拟静态荷载作用下，分析了土体的非线性，桩土之间接触面的分离，桩的长宽比等因素，对单桩横向响应的重要影响。
In static loads, the significant effect of the nonlinear soil behavior, the pile-soil interface separation, and the pile slenderness and width on the response of a single pile are analyzed.
路面表层直接与自然环境接触并经受车辆荷载作用，对混合料及其组成集料都有更多性能上的要求。
Pavement surface, directly subject to tyre loading and weathering, introduces therefore a few more requirements for both composing aggregates and final asphalt.
该模型土层定义为弹性，以面面接触对模拟桩土接触面，温度荷载模拟土层对桩的侧压力。
The face-face contact pair is used to simulate the pile soil contact face, and the temperature load is used to simulate the side pressure of soil layer to the pile.
采用合适的土体屈服准则及有限变形理论，通过在桩—土界面设置接触以及在桩顶施加位移荷载建立了符合压桩实际的有限元模型。
An appropriate finite element model was given according to the actual process of jacked pile. This model adopted the rational constitutive model of soil and finite deformation theory.
采用合适的土体屈服准则及有限变形理论，通过在桩—土界面设置接触以及在桩顶施加位移荷载建立了符合压桩实际的有限元模型。
An appropriate finite element model was given according to the actual process of jacked pile. This model adopted the rational constitutive model of soil and finite deformation theory.
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