路基

This paper inquires into the finite element method of soft clay and compiles the applicable program.

对软土路基沉降有限元分析方法进行了探讨，并编制了相应的应用软件。3。

Based on data collected in Jiangsu province, evaluation model is demarcated and validated.

并依据在江苏省采集的数据和专家调查标定评价模型，从而得到江苏省高等级公路的路基评价模型。

Several measures like adopting advanced land-saving techniques, reducing the height of sub-grade and increasing bridge and tunnel ratio are required to take to reduce the land-use standards of highway, railroad, other infrastructure facilities and soil excavating and disusing project.

要采取先进节地技术、降低路基高度、提高桥隧比例等措施，降低公路、铁路等基础设施工程用地和取弃土用地标准。

Through analyzing the in-situ test data , the curves of pile and soil top average stress ratio of composite foundation changing with embanking time were obtained . The rules of road foundation settlements in the center and pile top varying with embanking time were studied , and the pore pressure laws changing with time were discussed .

通过对现场测试数据的分析，得到了复合地基顶部桩土平均应力随填土时间的变化曲线，研究路基中心和桩顶沉降随填土时间变化规律，并讨论了孔隙水压力随时间消散曲线和侧向位移沿深度变化规律。

It is concluded that the BP neural network grey theory model is the most precise one to forecast the settlement.

由此可见BP神经网络和灰色理论联合建立的GM(1，1)模型用于预测路基沉降最为精确。

Combined with the repaving design of existed cement concrete pavement the application of asphalt concrete overlays and other new materials are introduced in order to prolong service period of pavement and improve the water-stable property of asphalt pavement.

结合旧水泥混凝土路面加铺改造的现状，对采用沥青混凝土加铺层改造旧水泥混凝土路面的处治方案及新材料的应用等内容作了介绍，以延长路面使用周期，提高路基的稳定和沥青路面的水稳

All three-analysis methods gave similar predictions of pavement rutting life based on the subgrade strain criterion.

所有三个分析方法给了车辙的路基路面应变准则的生活类似的预测。

With rapid development of communications industry in China, traffic volume of expressway and axle load of vehicle increased speedily. As a result, the requirement on subgrade strength and quality improved gradually.

随着我国交通事业的高速发展，高速公路交通量和车轴荷载迅速增长，从而对高速公路的路基强度指标及其质量要求日益提高。

Second, the random variables in reliability analysis of the steel rail are discussed. These random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. And their probability distributions and parameters are discussed thoroughly.

其次，对钢轨可靠度分析中涉及的随机变量如轮载力、轨下胶垫刚度、道床路基联合刚度、温度应力及钢轨疲劳极限强度的概率分布类型和统计特征进行了详细讨论。

Based on the arrangement and analysis of test datum, the engineering characteristics of the fill are studied, such as shear strength, compressibility, permeability, mechanical analysis, capillary height etc.

然后在室内土工试验数据的整理与分析基础上，对路基填土的工程性质进行了一系列深入的研究，如粉土、粘土以及一定掺灰比的灰土的抗剪强度、压缩性、毛细水上升高度、渗透性、粒径分析等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。