| 吹填土地基双面真空预压施工工艺与加固效果研究 |
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| 引用本文： | 黄震,白景.吹填土地基双面真空预压施工工艺与加固效果研究[J].江苏建筑,2012(3):81-84. |
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| 作者姓名： | 黄震 白景 |
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| 作者单位： | 1. 厦门市政建设开发总公司,福建厦门,361004
2. 河海大学岩土力学与堤坝工程教育部重点实验室,江苏南京210098／河海大学岩土工程研究所,江苏南京210098 |
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| 摘 要： | 双面真空预压是在常规单面真空预压基础上，在地基深层增设一个真空面，预压时双层真空同时作用，适用于吹填土地基的加固处理。文章结合现场试验，通过分析对比监测数据，完成了双面真空预压施工工艺总结、双面预压与单面预压加固效果的对比以及双面预压的加固机理分析等工作，得出双面预压各项指标均优于单面预压的结论。
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| 关 键 词： | 吹填土 双面真空预压 施工工艺 加固机理 真空作用面 |
Construction Technology and Improvement Effect of Double-Vacuum Preloading for Compaction Treatment of Hydraulically-Filled Ground |
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| HUANG Zhen,BAI Jing.Construction Technology and Improvement Effect of Double-Vacuum Preloading for Compaction Treatment of Hydraulically-Filled Ground[J].Jiangsu Construction,2012(3):81-84. |
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| Authors: | HUANG Zhen BAI Jing |
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| Affiliation: | 2,3(1.Xiamen Municipal Construction Company,Xiamen Fujian 361004 China; 2.Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering of Hohai University,Nanjing Jiangsu 210098 China;3.Geotechnical Research Institute of Hohai University,Nanjing Jiangsu 210098 China) |
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| Abstract: | The double-vacuum preloading method adds a vacuum underground based on normal vacuum preloading,and the two vacuum work at the same time when compacting soft soil.So it is effective to improve the dredge-fill foundation.By filed monitoring and experimental data analysis,this paper completes the construction technology summary,comparison of the reinforcement effect between the two methods and mechanism analysis and so on,concluding that the effect of double-vacuum preloading is better than normal single-vacuum preloading in every respect. |
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| Keywords: | hydraulically-filled ground double-vacuum preloading construction technology improvementmechanism vacuum location |
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