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西藏地区级配碎石柔性基层组成设计与施工 被引量:1

Design and Construction of Graded Gravel Flexible Base in Xizang Area
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摘要 为使高寒、紫外线强烈、路面冻害严重以及筑路材料缺乏的路面结构合理、经济和耐久,在西藏地区采用级配碎石柔性基层。级配碎石柔性基层在具有良好级配和适当的压实工艺下有着较高的承载力、一定的排水功能并可有效地减少反射裂缝的发生。文内介绍了中尼公路日喀则至拉孜段整治改建工程试验路段级配碎石基层的材料选择、组成设计及施工。 In order to make the pavement structure rational, economical and durable in high cold weather, strong ultraviolet radiation, serious freezing injury and insufficient paving materials, graded gravel flexible base is adopted in Xizang area. Graded gravel flexible base has higher bearing capacity, certain drainage function and can reduce reflective cracks with right grading and proper compacting technology. This paper introduces materials selection, composition design and construction of graded gravel flexible base in the experimental section of treatment and expansion engineering of Rikaze-Lazi Section of China-Nepal Highway.
机构地区 重庆交通大学
出处 《路基工程》 2010年第1期183-185,共3页 Subgrade Engineering
关键词 级配碎石柔性基层 材料组成设计 施工工艺 graded gravel flexible base materials composition design construction technique
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