半刚性基层早期出现收缩裂缝,是目前尚未很好解决的施工技术问题。
It is still a unsolved problem that semi - rigid base appears the shrinking crack at early stage.
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。
Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
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。
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.
文中以渝湛高速公路路面施工为依托,进行水泥碎石稳定的半刚性基层产生裂缝及控制的研究。
Based on the pavement construction of Yuzhan Highway, this paper studies the reasons and cracks of cement stabilized half-rigid base course.
为了分析、比较、评价不同类型半刚性基层材料抗冲刷性能,为半刚性基层材料的设计提供依据,研制了动水压力对带裂缝沥青路面半刚性基层冲刷作用模拟试验机。
For analysing, comparing and appraising the anti-erosion properties of different kinds of semi-rigid base materials, offering the basis for the design, the simulation testing machine is developed.
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。
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.
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。
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.
根据国内外研究成果,采用铺设新型材料—玻璃纤维格栅的方法,是解决半刚性基层沥青路面反射裂缝问题的一个途径。
According to the construction practice, this paper sums up the construction technology of glass fiber grid in the practical pavement and some problems needing attention.
根据国内外研究成果,采用铺设新型材料—玻璃纤维格栅的方法,是解决半刚性基层沥青路面反射裂缝问题的一个途径。
According to the construction practice, this paper sums up the construction technology of glass fiber grid in the practical pavement and some problems needing attention.
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