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Experimental Study on Treatment of Uneven Soft Ground with Impaction and Grind Method (IGM )
Author(s): 
Pages: 310-315
Year: Issue:  2
Journal: CHINESE JOURNAL OF UNDERGROUND SPACE AND ENGINEERING

Keyword:  机场冲击碾压软弱地基回弹模量;
Abstract: 为研究机场建设中冲击碾压对不均匀软弱地基的处理效果,在试验区进行了现场冲击碾压试验,通过观测冲击碾压在试验区不同位置产生的沉降量、碾压后场地的回弹模量值分析冲击碾压改善软弱地基不均匀性的效果;通过对比处理前后试验区内的静力触探与标准贯入试验结果分析其对软弱地基的加固效果.研究结果表明,采用冲击碾压结合碎石垫层处理技术处理大面积软弱地基能够有效地消除地基的不均匀性,减小地基的差异沉降,同时可以使处理后地基具有足够的均匀刚度.
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