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- Pavement surface, directly subject to tyre loading and weathering, introduces therefore a few more requirements for both composing aggregates and final asphalt. 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。
- Research to the fire smog dynamic diffusion mechanism, the paper proposed the influence mechanism of the high temperature smog to the asphalt pavement surface temperature. 通过研究火灾烟雾的动态扩散规律,揭示了高温烟气对于沥青混凝土路面温度场的影响规律。
- Second,the connexity of the sub-image model is used to describe pavement surface distress continuity,farther the wrong classifying models of the pavement sub-images are corrected. 其次利用子块图像模式的连通性,有效描述路面破损在空间上的连续性,进而去除路面破损图像误判的子块模式;
- The main research findings are summarized as follows,A quarter-vehicle vibration model with two degrees of freedom and four vehicle parameters was built and the pavement surface roughness (PSR) was taken as the excitation in this model. 采用四分之一车辆振动模型,以路面不平整为激励,运用随机过程理论分析了车辆随机动荷载,探讨了车辆动荷载、动载系数及其峰值的概率分布以及车速、路面状况、车辆参数等对动载系数的影响。
- Unbound aggregate base can efficiently retard the reflexion of cracks to asphalt pavement surface,which is aroused by the shrinkage crack of semi-rigid base in the inverted structure. 半刚性基层沥青路面作为过渡层时,可以有效改善半刚性基层收缩裂缝的反射裂缝的发生。
- Based on the coupling of vehicle dynamic loading and the pavement surface unevenness,a calculation method is formulated for prediction of highway asphalt pavement rutting under dynamic loading. 基于运动车辆与不平整路面的相互耦合作用,建立车辆动力作用下沥青路面车辙计算与预估方法。
- Synchronous pavement surface dressing and equipment 同步碎石封层技术及设备
- New Type Cement Pavement Surface Engraving Machine 一种新型水泥路面刻纹机
- pavement surface distress survey 路面检测
- pavement surface roughness (PSR) 路面不平整度
- The hot pavement sent up shimmers. 晒热的道路浮起热气晃动的景象。
- anti - skidding of pavement surface 路面抗滑性
- synchronous pavement surface dressing 同步碎石
- There was litter strewn all over the pavement. 人行道上到处都是扔的垃圾。
- synchronous pavement surface dressing equipment 同步碎石封层设备
- The compacted snow on the pavement turned to ice. 人行道上被踩实的雪已变成了冰。
- It must have been raining. The pavement is all wet. 刚才准是下雨了。人行道都湿了。
- The hoop rolled along the pavement. 圆环沿人行道滚动。
- The gentleman tapped his stick on the pavement. 那位男士用手杖轻敲人行道。
- The pavement was covered in dogs' excrement. 便道上满是狗屎。