| 真空联合堆载预压法加固软土地基效果监测分析 |
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| 引用本文： | 郑辅江,刘凤松.真空联合堆载预压法加固软土地基效果监测分析[J].中国港湾建设,2009(3):13-15. |
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| 作者姓名： | 郑辅江 刘凤松 |
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| 作者单位： | 1. 天津泰达海洋开发有限公司,天津,300453
2. 天津港航工程有限公司,天津,300457 |
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| 摘 要： | 真空联合堆载预压法是加固软土地基的一种有效的方法。通过真空联合堆载预压法加固水力吹填软土地基的工程实例及对施工过程和加固效果全过程的监测，对加固效果进行了深入分析。结果表明，采用真空联合堆载预压法加固后，软土地基含水量、孔隙比大大降低，地基承载力可初步满足建设场地的需要；同时证实插板期间地表产生超过1m的沉降变形，加固后平均固结度达到85％以上。真空联合堆载预压法处理该工程是成功的，可在类似的工程中应用。
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| 关 键 词： | 真空联合堆载预压 沉降 孔隙水压力 固结度 地基承载力 |
Monitoring Analysis of Consolidation of Soft Soils by Vacuum Preloading in Combination with Surcharge Fill |
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| ZHENG Fu-jiang,LIU Feng-song.Monitoring Analysis of Consolidation of Soft Soils by Vacuum Preloading in Combination with Surcharge Fill[J].China Harbour Engineering,2009(3):13-15. |
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| Authors: | ZHENG Fu-jiang LIU Feng-song |
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| Institution: | 1.Tianjin Teda Marine Development Co.Ltd.;Tianjin 300453;China;2.Tianjin Port & Channel Engineering Co.Ltd.;Tianjin 300457;China |
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| Abstract: | Vacuum preloading in combination with surcharge fill preloading is an effective technology to consolidate soft soils,through the engineering examples of vacuum preloading combined with surcharge preloading to consolidate the hydraulically reclaimed soft foundation and the testing of construction process and the whole consolidation process,the paper analyzes the consolidation effect.The results show that the water content and pore water pressure are remarkably reduced after using the vacuum combined with sur... |
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| Keywords: | Vacuum preloading in combination with surcharge fill settlement pore water pressure consolidation degree bearing capacity |
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