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浆囊袋压力型土钉新技术及工作机理研究

张旭辉, 吴欣, 俞建霖, 何萌, 龚晓南

张旭辉, 吴欣, 俞建霖, 何萌, 龚晓南. 浆囊袋压力型土钉新技术及工作机理研究[J]. 岩土工程学报, 2014, 36(zk2): 227-232. DOI: 10.11779/CJGE2014S2038
引用本文: 张旭辉, 吴欣, 俞建霖, 何萌, 龚晓南. 浆囊袋压力型土钉新技术及工作机理研究[J]. 岩土工程学报, 2014, 36(zk2): 227-232. DOI: 10.11779/CJGE2014S2038
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ZHANG Xu-hui, WU Xin, YU Jian-lin, HE Meng, GONG Xiao-nan. New slurry pressure type soil-nailing technology and its working mechanism[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 227-232. DOI: 10.11779/CJGE2014S2038
Citation: ZHANG Xu-hui, WU Xin, YU Jian-lin, HE Meng, GONG Xiao-nan. New slurry pressure type soil-nailing technology and its working mechanism[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 227-232. DOI: 10.11779/CJGE2014S2038
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浆囊袋压力型土钉新技术及工作机理研究  English Version

  • 1. 宁波半边山投资有限公司,浙江 宁波 315732;
    2. 浙江大学软弱土与环境土工教育部重点实验室,浙江 杭州 310058;
    3. 浙江大学滨海和城市岩土工程研究中心,浙江 杭州 310058;
    4. 汉嘉设计集团股份有限公司,浙江 杭州 310005

详细信息
    作者简介:

    张旭辉(1975- ),男,博士,高级工程师,主要研究方向为软土地基处理。E-mail: zhangxiuhui@21cn.com。

New slurry pressure type soil-nailing technology and its working mechanism

  • 1. Ningbo Half-Hill Investment Co., Ltd., Ningbo 315732, China;
    2. Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University, Hangzhou 310058, China;
    3. Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China;
    4. Hanjia Design Group Co., Ltd., Hangzhou 310005, China

摘要

    摘要
  • 摘要: 为解决软土地基中土钉抗拔力小、施工质量难以控制的问题,开发了浆囊袋压力型土钉新技术,介绍了其工艺原理和施工技术,提出了相应的承载力计算方法。最后采用三维有限元分析方法研究了浆囊袋压力型土钉的荷载传递规律,分析了注浆体直径、长度以及地基土质条件的影响。
    Abstract: In soft soil foundation, the strength of soft soils is low and the quality of the construction of the conventional soil-nailing is hard to be controlled. To solve these problems, new slurry pressure type soil nailing technology is developed, and the soil-nailing ultimate resistance is calculated by carrying out the field pullout tests. In addition, the finite element software is adopted to establish the three finite element analysis model for slurry pocket pressure type soil nailing. The transfer law of load is studied, and the effects of the soil conditions and the dimensions of the grouting are analyzed.
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    • 参考文献(10)
  • [1] 张旭辉. 锚管桩复合土钉支护稳定性研究[D]. 杭州: 浙江大学, 2002. (ZHANG XU-hui. Stability of channel-steel- piles composite soil nailing[D]. Hangzhou: ZheJiang University, 2002. (in Chinese))
    [2] CECS 96—97 基坑土钉墙支护技术规程[S]. 1997. (CECS 96—97 Specification for soil nailing in foundation excavations[S]. 1997. (in Chinese))
    [3] JGJ120—99建筑基坑支护技术规程[S]. 1999. (JGJ120—99 Technical specification for retaining and protection of building foundation excavations[S]. 1999. (in Chinese))
    [4] YB9258—97建筑基坑工程技术规程[S]. 北京: 冶金工业出版社, 1998. (YB9258—97 Ministry of Metallurgical. Technical Specifications for Foundation Pits Excavation for Buildings[S]. Beijing: Metallurgical Industry Press, 1998. (in Chinese))
    [5] 吴铭炳. 软土基坑土钉墙支护的理论与实践[J]. 工程勘察, 2000(3): 40-43. (WU Ming-bing. The theory and practice of soil nailing bracing in foundation pit of soft soil[J]. Geotechnical Investigation & Surveying, 2000(3): 40-43. (in Chinese))
    [6] 梁勇彪, 徐霞琴. 土钉墙支护在极软土基坑工程中的应用[J]. 岩土工程师, 2003, 15(3): 42-43. (LIANG Yong-biao, XU Xia-qin. Application of soil Nailing in excavation of soft ground[J]. Geotechnical Engineer, 2003, 15(3): 42-43. (in Chinese))
    [7] 张 晁, 郑俊杰, 辛 凯. 土钉墙支护技术在软土基坑中的应用[J]. 岩石力学与工程学报, 2002, 21(6): 923-925. (ZHANG Chao, ZHENG JUn-jie, XIN Kai. Application of soil nail technique in soft soil foundation pit[J]. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(6): 923-925. (in Chinese))
    [8] 吴铭炳. 软土地基土钉支护研究[J]. 岩土工程学报, 1999, 21(6): 687-690. (WU Ming-bing. The study for soil nailing in soft clay foundation excavation[J]. Chinese of Geotechnical Engineering, 1999, 21(6): 687-690. (in Chinese))
    [9] 陈肇元, 崔京浩. 土钉支护在基坑工程中的应用[M]. 北京: 中国建筑工业出版社, 1997: 64-67. (CHEN Zhao-yuan, CUI Jing-hao. Application of soil nailing supported in excavation[M]. Beijing: China Architecture &Building Press, 1997: 64-67. (in Chinese))
    [10] 庞晓明, 沈水龙, 许烨霜. 复合土钉支护基坑的工程实例分析[J]. 岩土工程学报, 2006, 28(增刊): 1838-1841. (PANG Xiao-ming, SHEN Shui-long, XU Ye-shuang. Analysis of behavior of nailing supported mixed soil-cement wall in excavation[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(S0): 1673-1676. (in Chinese))
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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