Paper compares the current modification mechanism of WMA on the base of analyzing its Usage, then Put forward an idea which can be used for reducing the viscosity of asphalt.
研究在对国内外温拌沥青使用现状研究基础上对不同温拌改性沥青改性机理进行了对比分析，提出了一种新的温拌沥青材料。
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。
The third revision of National Standard《paper base asphalt felt》was done.
《石油沥青纸胎油毡》国家标准进行了第三次修订。
Regarding semi rigid base asphalt concrete road as the main object, the model of road stress and strain and their calculating method were studied in the paper.
以半刚性基层沥青路面为对象，研究了路面的应力应变模型和计算方法。
This paper also discusses the prevention treatment measures of crosswise cracking in asphalt layer materials, cohesion between the layers and construction and maintenance of semi-rigid base.
从面层材料、层间粘结、基层施工及养护等方面提出横缝的防治措施。
This paper describes a test study method of mat base material mix for asphalt concrete core wall.
介绍沥青混凝土心墙基座垫层料配合比的试验研究方法。
This paper describes a test study method of mat base material mix for asphalt concrete core wall.
介绍沥青混凝土心墙基座垫层料配合比的试验研究方法。
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