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孔内深层挤密桩法处理湿陷性黄土的检测分析 被引量:3

Quality Assurance of Deep Compaction Columns Formed in Collapsible Loess
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摘要 通过土工试验和浸水载荷试验,对灰土挤密桩法和夯实水泥土桩法两种不同的孔内深层挤密桩法处理湿陷性黄土的效果进行分析,判断孔内深层挤密桩法处理后的地基土的湿陷性是否消除。通过对灰土挤密桩和夯实水泥土桩的复合地基承载试验数据进行分析对比,为某电厂冷却塔区域的地基处理采用何种方法提供试验依据。 Throughout geotechnical laboratory test and in-situ water immersion plate load tests,this paper presents the comparative results of two different methods in the deep treatment of collapsible loess soils:compacted lime-soil and cement soil columns.The scope of applying the compacted column in the collapsible loess is to eliminate the potential collapsibility of foundation soils when they are wetted.The results of the plate loading tests on the composited ground was used to select the effective ground improvement method for the proposed cooling tower foundation of a power plant.
作者 刘庆宇 谷立强 张开伟 张召彬 LIU Qingyu;GU Liqiang;ZHANG Kaiwei;ZHANG Zhaobin(Hebei Shuangcheng Construction Engineering Testing Co.Ltd.,Shijiazhuang 050031;Hebei Research Institute of Construction&Geotechnical Investigation Co.Ltd.,Shijiazhuang 050031)
出处 《土工基础》 2021年第5期624-627,共4页 Soil Engineering and Foundation
关键词 灰土挤密桩 夯实水泥土 土工试验 浸水载荷试验 湿陷性黄土 lime-soil compaction columns compacted cement-soil laboratory tests water immersion plate load tests collapsible loess
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