路面

In this paper, a three dimensional finite element analysis method is used to analyze the difference of the mechanics response under different vehicles and different loading with different interbedded touch types in asphalt pavement of simi-rigid base layer and flexible base layer.

然而，为了更好地了解沥青路面结构在均匀分布与非均匀分布轮载作用下的力学行为，仍有必要对层间不同接触条件下路面结构层内的力学响应差异进行研究。

This paper is aimed specifically at moisture damage issue of asphalt pavement, and the( axis-symmetric) finite element method is adopted to analyze the variations of interbedded pore water pressure of pavement under different load condition.

针对沥青路面水损害问题，运用轴对称有限元方法分析了不同等级轴载作用下沥青路面层间孔隙水压力的变化规律。

Using meshy dense frame cement macadamix base or cement lime soil base,the life of pavement structure can be extended obviously.

重载交通的作用，更加速了路面结构病害的发生与发展，普通公路路面结构病害十分突出。

Results show that microseismic monitoring system can be used to analyze dynamic response. It provides valuable reference for study of dynamic response of pavement.

结果表明：微地震监测系统能够对路面结构的振动响应进行监测分析，为进一步研究路面振动响应提供了有价值的参考。

Many kinds of diseases such as subgrade depression, water scouring, slide, mudding, asphalt pavement raveling, stripping, map cracking and cement concrete pavement pumping, faulting, fracture are to do with the erosion of surface and underground water to some extent.

大多数路基沉陷、冲刷、坍塌、翻浆，沥青路面松散、剥落、龟裂，水泥混凝土路面唧泥、错台、断裂等病害，都不同程度地与地表水和地下水的侵蚀有关。

3The values of AEMG of the contralateral multifidus were higher than ipsilateral during trunk axial rotation;(4) During the trunk flex to 45 and 65 degree position, the AEMG of lumbar multifidus and erector spinae muscles were higher than the other degree and there was significant difference.(Experiment 2)(1)The AEMG of the lumbar multifidus and erector spinae were influenced by load levels, load ways and road conditions during the walking.There was significant interaction between load levels and load ways.

(1) 负荷等级、负荷方式及路面条件对行走过程中腰部竖脊肌和多裂肌AEMG具有显著影响，且负荷等级与负荷方式之间交互作用显著；左手负重行走时腰部竖脊肌AEMG与右手负重时不存在显著差异，但背部负重时的竖脊肌AEMG值明显小于单侧手负重时的AEMG值；(2)多裂肌的AEMG值在不同负重方式下行走时均无显著差异；(3)路面条件对腰部肌肉AEMG值具有显著影响，上楼时腰部竖脊肌、多裂肌的AEMG值显著大于平地和下楼时的AEMG值；(4)单侧手持负荷且当负荷等级达到一定水平时，腰部竖脊肌和多裂肌对侧的AEMG值显著大于同侧。

Tracks arc a chief form of destruction in the bituminous concrete pavement and directly affect the planeness and service performance of the road surface.

车辙是沥青混凝土路面的一种主要破坏形式，直接影响路面的平整度和使用性能。

In the design of the road test, a reflectional infrared sensors is used to detect the black line on the road to judge the trolley's position; on trolley's speed controlling, the control system uses PWM technology to control the rotational speed of electric motors, and complete the speed real-time control to electric cars in d

在路面检测设计中，小车采用反射式红外传感器来检测其行驶路面上的黑线，以判断小车行驶的位置；在控制小车行驶速度上，系统利用PWM技术控制电动机的转速，通过程序完成对电动小汽车在不同路段的行驶速度实时控制；最后采用双电源供电，用以保证系统的运行更加稳定，可靠。

Supposing that the pavement depression is a Ricker wavelet function ,and then the moving vehicle s vibration level induced by it can be obtained by simplifying the vehicle to a two DOF vibration system.

本文将高速公路路面凹陷变形假设为Ricker 小波函数，将车辆简化为两自由度的振动系统，分析了由于路面凹陷变形引起的车辆振动水平。

The variance of sheering fatigue failure of surface and the tensile fatigue failure of sub-base under two different wheels was studied, respectively.

研究认为：车轮左右两侧路面疲劳破坏寿命是不同的，并且两侧路面的疲劳寿命差异系数随着横拱坡度的增加而急剧增大；随车辆重心高度的增加而增大。

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。