As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.
传统的半刚性基层沥青路面,由于基层刚度大、透水性较差,面层反射裂缝多,路面易过早发生疲劳开裂现象。
Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
首先,论文分析了半刚性基层沥青路面疲劳裂缝的形成机理。
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。
There is a problem that structure design and materials design are disjointed about the asphalt pavement with semi-rigid base in our country.
我国目前存在半刚性基层沥青路面结构设计和材料设计脱节的问题。
It is concluded that the asphalt treated base pavement can improve the temperature condition in the layer of semi-rigid base material and lower the thermal stress in the bottom of subbase.
分析得出,设置沥青稳定碎石基层路面能够改善半刚性材料层温度状况以及层底温度应力。
It is the first time that asphalt pavement construction of semi-rigid base is used in the roadways of container terminals in Shanghai Waigaoqiao container Port Area.
将半刚性基层沥青铺面结构应用于上海外高桥集装箱港区道路,在国内尚属首创。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
减少水泥稳定碎石基层材料的干缩裂缝,对延长半刚性基层沥青路面的使用寿命至关重要。
In designing and constructing asphalt pavement structures with semi-rigid base course for the high-type highway, one can refer to the results from this research.
研究结果可供高等级公路半刚性基层沥青路面结构设计和施工时参考。
The construction of asphalt concrete road pavement, glass fiber grid can be placed between semi-rigid base and the seal, also may be placed on the sealing layer between the asphalt surface.
对新建沥青混凝土道路路面,玻纤格栅可置于半刚性基层与下封层之间,也可置于下封层与沥青面之间。
The construction of asphalt concrete road pavement, glass fiber grid can be placed between semi-rigid base and the seal, also may be placed on the sealing layer between the asphalt surface.
对新建沥青混凝土道路路面,玻纤格栅可置于半刚性基层与下封层之间,也可置于下封层与沥青面之间。
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