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为改善煤焦油、渣油路用性能,甘肃省交通科研所。西安公路学院和酒泉公路总段等单位曾在酒(泉)建(国营)公路0~k～2~k地段铺筑试验路面。试验路面的种类,按结合料改善方法和路面结构类型的不同,共分17种,经过六个寒冬酷暑的使用考验,于1979年7月进行了路面的详细调查分析,其中一段结构类型为3厘米厚的表面处治,采用的结合料为掺入2%聚氯乙稀的煤焦油,
In order to improve coal tar, residue road performance, traffic research institute of Gansu Province. Xi’an Highway College and Jiuquan Highway General Section and other units have been built on the wine (spring) (state-owned) Highway 0 ~ k ~ 2 ~ k Lot paved road test. The types of test pavement are divided into 17 kinds according to the method of improving the bonding material and the structure type of the pavement. After the use of six cold winter heats, the detailed pavement analysis was conducted in July 1979, of which one type of structure was 3 Cm thick surface treatment, the binder used for the incorporation of 2% polyvinyl chloride, coal tar,