On basis of this , mechanical responses of pavement structures under construction loads were analyzed , taking different construction phases of an asphalt pavement and different ages of pavment material into account . the ultimate bearing capacity was analyzed according to 在此基础上,分析了不同施工阶段、路面材料不同养生龄期时,沥青路面结构在施工荷载下的力学响应,得出了路面结构在相应条件下的极限承载力,据此提出了合理的施工控制要求和建议。
In this paper the stress - strain and deformation characteristics of loess of the fifth tunnel of luohuiqu were analyzed by means of conventional tri - axial tests and the softening constitutive models were established . the models provide not only the basic and the necessary calculation conditions to analyze the mechanics response and construction optimization of simple shield tunnel method on the fifth tunnel of luohuiqu , but also a new method in researching the softening constitutive models of loess 本文通过对洛惠渠五洞q _ 1黄土进行常规三轴试验，分析和探讨黄土变形强度特性，建立q1黄土的软化本构模型，这不仅为洛惠渠五洞的简易盾构法施工的力学响应分析及其施工优化提供了最基本，最需要的计算条件，而且为当前土力学研究的热点? ?土的软化本构模型拓展了新的思路。
The classic macroscopic mechanical models , which characterize the concrete as a continuum at macroscopic level and consider the test results of laboratory scale specimen as the mechanical properties of the material , could analyze the mechanical response of structures with greater size . in reality , the test results of laboratory that are generally called physical and mechanical parameters of material are average responses of a heterogeneous specimen with a certain size 有关混凝土力学特性的力学模型都是基于混凝土材料的宏观层次研究其力学特性，其主要特点是把材料理想化为均质材料进行研究，把实验室尺度下力学试验的结果作为材料的力学参数，以此为基础进行更大尺度宏观结构的力学响应分析。
In this paper , the relation among highway alignment , vehicle operating velocity , vehicle fuel consumption and vehicle dynamics is discussed synthetically . to evaluate and optimize the design of highway alignment , a " high alignment - vehicle move and system dynamic response " model has been established . by using the computer program of the system , which is written with visual c + + 6 . 0 , one could easily draw out the variation curves of vehicle operating velocity , vehicle fuel consumption and some certain vehicle dynamics index 公路线形设计以汽车行驶规律为出发点，本文尝试以汽车系统动力学的观点研究道路线形设计问题，针对目前设计中存在的一些问题，建立了“公路路线? ?汽车运行响应模型” ，分为行驶速度、耗油量预测和动力学响应计算两大模块，主要是为了克服传统汽车理论在指导公路路线设计时过于简化汽车，只考虑计算行车速度的弊端，力图通过建立“路线方案? ?行驶车速? ?力学响应”相互之间的量化关系模型，为公路线形指标的选取和优化提供一定的参考价值。
Then , mechanical responses of pavement structures were analyzed with elasticity theory , based on actually applied pattern of heavy loading , analysis method of ultimate bearing capacity of pavement structures was proposed , and the factors affecting ultimate bearing capacity were analyzed also , which provided a theoretical basis for the restriction of alex load 其次,根据实测荷载作用面积和计算轮胎接地压力,计算了重荷载作用下水泥混凝土路面结构的力学响应,提出了分析混凝土路面极限承载力的方法,并分析了极限承载力的影响因素,为限载提供了理论依据。
Through the static and standard traffic cyclic loads , the responses of the pavement and subgrade have been attained . the studies on these responses such as elastic deformations , accumulative settlements and stress have been made under the changed characters of subgrade , such as moisture content , relative compaction of subgrade . the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction 通过静力加载和模拟路面承受的竖向交通荷载的重复加载试验，研究了路面路基结构在双轮车辆荷载作用下的动静态响应，分析了路面路基结构在浸水状态(土层含水量增加)和压实密度降低等不利因数的影响下，路面路基各结构层的动静力学响应特性，如弹性变形、累积下沉、土压应力等的变化规律。
