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一、概述我省地处东北边陲,气候高寒,年平均气温-2℃～+3℃,水文地质条件复杂,无砂石地区,材料昂贵,施工现场每立方米碎石价高达45～60元。自1984年以来,在哈尔滨～双城、哈尔滨～黑河公路干线上,先后试验用旧料再生冷拌、冷铺,辗压成型,哈双线1984年铺装2.5公里;1985年铺装4公里;1986年铺装7公里,皆获成功。
I. Overview The province is located in the northeastern border, climate alpine, the annual average temperature of -2 ℃ ~ +3 ℃, hydrogeological conditions are complex, no sandstone areas, the material is expensive, the construction site per cubic meter of rubble price as high as 45 to 60 yuan . Since 1984, in Harbin ~ Shuangcheng, Harbin - Heihe highway trunk, has tested the use of recycled raw materials cold mix, cold shop, rolling molding, Ha Shuangxian paved in 1984 2.5 km; 1985 paved 4 km ; Paved in 1986 7 km, are successful.