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水泥土半刚性板层加固软土路基试验

, PP. 24-29

Keywords: 道路工程,盐渍化软土路基,试验研究,水泥土半刚性板

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Abstract:

？针对新疆广泛存在的盐渍化软弱土,采用水泥土形成一定厚度的半刚性板体结构加固软土路基,从而降低路堤高度,减少建设成本。借助室内试验和现场试验路段试验,测试了水泥土半刚性板的沉降、变形等室内外工程特性。结果表明:掺入水泥能明显提高低液限粉土的强度及回弹模量;半刚性板层增强了软土路基的整体刚度,减小了浅层软土路基的整体沉降及不均匀沉降;水泥土半刚性板充分调动了下卧软土层的承载力,能够满足公路荷载使用要求,较好地解决了软土地区的路基加固问题。

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