路面

Recently, the test and estimation of segregation in asphalt pavements mainly rely on traditional methods as visual identification, sand patch testing, ground-penetrating radar and coring. Due to some disadvantages of these test methods metioned, such as slow test speed, subjectivity, deviation and some destructivity.

目前，对沥青路面离析的判定和检测方法主要依赖于观察法、铺沙法、路面雷达法和取芯法，这些方法存在主观性强、测速慢和误差大，且具有一定的破坏性。

Pavement dilapidation data is the most important data of pavement maintenance management.

路面破损数据是路面养护管理中重要的数据之一。

The system of pavement dilapidation, the worldwide state-of-the-arts and trends of pavement dilapidation image processing and the classified methods of image processing are introduced by this thesis.

本文介绍了路面破损检测系统、路面破损图像处理的国内外研究现状和发展趋势，以及图像检测方法的分类。

Engineering experience and research results indicate that this damage is due to the extortionate air voids of bitumen mixtures.

在高速公路沥青路面中，水损坏是沥青路面的主要病害之一，也是导致沥青路面早期破坏的主要原因之一。

The relationship among acceleration, road and running velocity was studying, and the research result offered the theory direction for future enhancement running test of self-propelled gun in the field.

其仿真试验通过强化试验路面上得到的不同车速下车辆驾驶员位置的垂直振动和水平振动加速度及其均方根值，解算出振动加速度与路面及行驶速度的关系。

Because the HMA fatigue limit is the theoretical base of perpetual pavement design, to grasp the strain distribution and strain action of HMA layer is key for perpetual pavement design.

沥青混合料疲劳极限的存在是永久路面结构设计的主要理论依据，因此掌握沥青层底应变的分布和应变行为规律是永久路面设计的关键。

Cars hydroplane when water between tires and the road actually separates the two from each other.

当汽车在湿滑的路面上行驶的时候，水分会将轮胎与路面隔开，从而使车轮打滑。

With the compare of research methods such as direct experiment, indirect method and numerical simulation method, and with the applied background of the Virtual Prototype technology, the paper puts forward a new strategy for the design of the testing device for dynamic response of road based on Pro/E、 ADAMS and ANSYS software. On the basis of the theory, this paper analyze the scheme and the important parts, and has proposed that actual modeling parameter, pattern and arrangement scheme, and structured the complete machine scheme of a testing device for testing road dynamic response based on dynamic load of vehicle-road.

本文在系统分析了各种车路系统动载荷研究方法的基础上，针对直接试验方法、间接试验方法和数字仿真方法的发展，并结合"虚拟样机"技术的应用背景，提出了一种基于Pro／E、ADAMS和ANSYS软件的基于车路动载荷的测试路面力学响应的试验装置的虚拟样机的实现策略，并在此基础上，对方案和重要部件进行了分析，提出了实际的建模参数、型式和布局方案，构建了一种基于车路系统动力学的测试路面动态力学响应的试验装置的整机方案。

In highway concrete pavement construction we had made innovations and reach the highest level in the country; especially the levelness control technology of the cement concrete.

公司在公路水泥混凝土和沥青混凝土路面施工方面大胆创新，各项技术指标达到国内先进水平，尤其是水泥混凝土路面平整度施工技术水平处于全国领先地位。

Secondly, based on general FEM theory, this paper has discussed FEM of matchboard cement concrete pavements with and without joints and explained three-dimensional FEM of cement concrete pavements.

2根据一般有限单元法理论，探讨了有无接缝的企口板砼路面有限元分析方法，以及三维混凝土路面的有限元分析方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。