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浙江省东阳市西郭线是一条四级农村道路,它连接横店至郭宅,全程约5km,交通繁忙,是沿线村民的主要交通要道,属于镇到镇的县级公路范畴。道路修成至今,已经有10个服务年头,现在已经到了大中修的周期。原先的改造方案是用覆盖法施工,即在原路面直接加铺厚18cm的二灰碎石层,然后再进行沥青罩面。这种改造方案因封路时间长,施工效率低,成本高,且需额外增加标高,一直难以实施。后来业主经与卡特彼勒代理商利星行进行
West Guo Xian Dongyang City, Zhejiang Province is a four-stage rural roads, it connects Hengdian to Guo house, the entire journey of about 5km, traffic is the main traffic along the villagers, belong to the town to the town of county-level road areas. The road has been repaired so far, there have been 10 years of service, and now it has reached the cycle of major and minor repair. The original transformation program is to cover the construction method, that is, in the original pavement directly overlay lime and limestone layer 18cm, and then the asphalt cover. Such a retrofit solution has been difficult to implement due to long time of road closures, low construction efficiency, high costs and the need for additional elevation. Later, the owner and the Caterpillar dealer Lee Star trip