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滤管踩入式真空排水加固超软土技术及现场试验研究

梁爱华, 刘建军, 李明英, 李卫

梁爱华, 刘建军, 李明英, 李卫. 滤管踩入式真空排水加固超软土技术及现场试验研究[J]. 岩土工程学报, 2013, 35(zk2): 712-716.
引用本文: 梁爱华, 刘建军, 李明英, 李卫. 滤管踩入式真空排水加固超软土技术及现场试验研究[J]. 岩土工程学报, 2013, 35(zk2): 712-716.
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LIANG Ai-hua, LIU Jian-jun, LI Ming-ying, LI Wei. Vacuum preloading technology for ultra soft soils with footed-in filter tubes and its field tests[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 712-716.
Citation: LIANG Ai-hua, LIU Jian-jun, LI Ming-ying, LI Wei. Vacuum preloading technology for ultra soft soils with footed-in filter tubes and its field tests[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 712-716.
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滤管踩入式真空排水加固超软土技术及现场试验研究  English Version

  • 1. 中交天津港湾工程研究院有限公司,天津 300222; 2. 港口岩土工程技术交通行业重点试验室,天津 300222; 3. 天津市港口岩土工程技术重点试验室,天津 300222; 4. 海洋石油工程股份有限公司,天津 300461

详细信息
    作者简介:

    梁爱华(1975- )，女，天津人，硕士，高级工程师，主要从事沿海软土地基处理。E-mail:liangah75@sina.com。

  • 中图分类号: TU411

Vacuum preloading technology for ultra soft soils with footed-in filter tubes and its field tests

  • 1. CCCC Tianjin Port Engineering Institute Co., Ltd., Tianjin 300222, China; 2. Key Laboratory of Port Geotechnical Engineering of the Ministry of Communication, Tianjin 300222, China; 3. Key Laboratory of Port Geotechnical Engineering of Tianjin, Tianjin 300222, China; 4. Offshore Oil Engineering Co., Ltd., Tianjin 300461, China

摘要

    摘要
  • 摘要: 通过现场试验验证了滤管踩入式真空排水加固超软土新技术,并通过和同等条件下常规超软土浅层真空预压加固工艺、加固效果以及工程造价进行对比,认为滤管踩入式真空排水加固超软土新技术施工工艺简单、造价低廉,加固效果和常规真空预压加固效果相当,是一种具有大面积推广意义的新技术。在新近吹填土地基中采用较小的排水板间距（0.4～0.6 m）,可有效提高吹填土地基加固强度,缩短加固时间。成功解决了超软土地基加固后沉降量显著而强度增加数值较小的问题。
    Abstract: A new vacuum preloading technology for ultra soft soils with footed-in filter tubes is verified through field tests. Compared with the construction technology reinforcement effect and engineering cost of the conventional vacuum preloading technology for surface-layer of ultra soft soils, the new technology is characterized by simple construction technology, low cost and good reinforcement effect. The technology is worthy of being widely spread. Smaller distance of drainage plates (0.4~0.6 m) in newly reclaimed ground can effectively improve the reinforcement effect and reduce consolidation time. The technology has successfully solved the problem that ultra soft foundation has large settlement but low strength increase after reinforcement.
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    • 参考文献(5)
  • [1] 叶国良, 郭述军, 朱耀庭. 超软土的工程性质分析[J]. 中国港湾建设, 2010(5): 1-9. (YE Guo-liang, GUO Shu-jun, ZHU Yao-ting. Analysis on engineering property of ultra soft soil[J]. China Harbour Engineering, 2010(5): 1-9. (in Chinese))
    [2] 高志义. 真空预压法的机理分析[J]. 岩土工程学报, 1989, 11(4): 11-23. (GAO Zhi-yi. Analysis on mechanics of vacuum preloading method[J]. Chinese Journal of Geotechnical Engineering, 1989, 11(4): 11-23. (in Chinese))
    [3] JTS 147—1—2010 港口工程地基规范[S]. 2010. (JTS 147—1—2010 Code for soil foundations of port engineering[S]. 2010. (in Chinese))
    [4] JTS 147—2—2009 真空预压加固软土地基技术规程[S]. 2009. (JTS 147—2—2009 Technical specification for vacuum pereloding technique to improve soft soils[S]. 2009. (in Chinese))
    [5] 龚晓南. 地基处理手册[M]. 2版. 北京: 中国建筑工业出版社, 2000. (GONG Xiao-nan. Foundation treatment manul[M]. 2nd ed. Beijing: China Architecture and Building Press, 2008. (in Chinese))
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出版历程
  • 收稿日期:  2013-07-16
  • 发布日期:  2013-11-24

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