But the principles of stress equivalence could accurately reflect the influence on the cement concrete pavement stress by the modulus and thickness of semi-rigid type base.
而以板底拉应力等效为指标的基层顶面当量回弹模量值能较为真实地反映基层刚度和厚度变化对板底拉应力的影响。
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。
In China, the bituminous pavement with semi-rigid base is widely used in freeway, in which the early damage phenomenon is popular.
我国高速公路的路面广泛采用半刚性基层沥青路面,而这种路面出现早期破坏的现象比较普遍。
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。
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。
Because of the moisture evaporation and the varied temperature, the pavement and its semi-rigid base layer are easy to crack in the course of construction and use.
路面及半刚性基层在修建和使用过程中,由于水份蒸发以及温度的变化,容易产生裂纹。
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 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。
Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.
通过对比分析,结合具有级配碎石基层半刚性底基层沥青路面主要破坏类型的分析,提出结构设计的控制指标。
As to the semi-rigid base bituminous pavement, the main bearing weight is basis on the semi-rigid layer. The bituminous pavement has a normal function, without any bearing strength.
对半刚性基层沥青路面而言,其主要承重层是半刚性基层,而沥青面层一般只起功能作用,不起强度作用。
The new cement concrete road pavement, glass fiber grid should be placed between semi-rigid base and rigid concrete seal.
对新建水泥混凝土道路路面,玻纤格栅应置于半刚性基层与刚性水泥混凝土封层之间。
Semi rigid base course is widely used in Chinese super highway for its good character, the performance and life of pavement is influenced by semi rigid base course.
半刚性基层材料由于具有优良的路用性能而常作为沥青路面和水泥混凝土路面的基层,其质量好坏会直接影响道路路面的质量和寿命。
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。
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。
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 understanding of semi-rigid base is still not widely accepted. The erosion and pumping have already affected the application of cement concrete pavement on expressways.
对半刚性基层的认识仍然得不到统一,而冲刷唧泥已经影响到水泥路面在高速公路上的推广应用。
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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