土钉墙在工程应用中的问题及改进方法的探讨
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摘要
土钉墙凭借一些显著的优越性被广泛应用于基坑工程的开挖支护,并带来了巨大的社会和经济效益。然而,国内存在大量盲目使用土钉墙的现象,由于没有认清适用范围,加上设计和施工中存在大量的问题,导致基坑安全事故屡见不鲜。因此需要全面认识土钉墙的作用机理,了解土钉墙的优缺点、重视其施工水平。针对土钉墙在岩土工程应用中存在的问题做了详细讨论,并提出了改进方法和土钉墙今后研究的方向,对土钉墙的耐久性、抗震、蠕变以及无损检测、变形的预测、复合土钉墙等方面展开研究将具有非常深远的意义和良好的发展前景。
Soil nail wall is widely used in supporting foundation pit excavation and brings great social and economic benefits.However,soil nail wall is blindly used in China at present.People are not aware of its limitations and applicable scope,giving rise to problems in the designing and construction which lead to lots of accidents.In view of this,we should have a comprehensive understanding of the action mechanism of soil nail wall.At the same time,we need to understand its superiorities and limitations and pay attention to its construction.This paper lays emphasize on problems in the use of soil nail wall,and gives advices to make it better.What's more,we discuss the future use of soil nail wall,for example,the durability of soil nail wall,anti-seismic resistance,creep deformation,nondestructive examination,deformation estimation,composite soil nail wall and so on.Research on these aspects will be of far-reaching and promising importance.
Soil nail wall is widely used in supporting foundation pit excavation and brings great social and economic benefits.However,soil nail wall is blindly used in China at present.People are not aware of its limitations and applicable scope,giving rise to problems in the designing and construction which lead to lots of accidents.In view of this,we should have a comprehensive understanding of the action mechanism of soil nail wall.At the same time,we need to understand its superiorities and limitations and pay attention to its construction.This paper lays emphasize on problems in the use of soil nail wall,and gives advices to make it better.What's more,we discuss the future use of soil nail wall,for example,the durability of soil nail wall,anti-seismic resistance,creep deformation,nondestructive examination,deformation estimation,composite soil nail wall and so on.Research on these aspects will be of far-reaching and promising importance.
引文
[1]杨育文,袁建新.深基坑开挖中土钉支护极限平衡分析[J].工程勘察,1998,(6):9-10.(YANG Yu-wen,YUAN Jian-xin.Analysis on Ultimate Equilibrium of EarthNail Bracing during Deep Foundation Pit Excavation[J].Geotechnical Investigation and Surveying,1998,(6):9-10.(in Chinese))
[2]付文光,卓志飞.对“土钉墙”等术语命名的探讨[J].岩土工程学报,2010,10(7):808-809.(FU Wen-guang,ZHUO Zhi-fei.Discussion on Definition of Soil Nail Walls[J].Chinese Journal of Geotechnical Engineering,2010,10(7):808-809.(in Chinese))
[3]刘喜旺.土钉墙支护技术机理及其优化设计[J].湖南理工学院学报,2010,23(2):82-84.(LIU Xi-wang.Mechanisms and Optimal Design of Soil-nailing Wall Sup-porting Technology[J].Journal of Hunan Institute of Sci-ence and Technology(Natural Sciences),2010,23(2):82-84.(in Chinese))
[4]徐正来.土钉支护稳定性分析[J].四川建筑,2001,2(1):46-48.(XU Zheng-lai.Stability Analysis on SoilNailing[J].Sichuan Architectural,2001,2(1):46-48.(in Chinese))
[5]杨育文.土钉墙计算方法的适用性[J].岩土力学,2009,30(11):3357-3364.(YANG Yu-wen.Applicabili-ty of Computational Methods for Soil-nailing Walls[J].Rock and Soil Mechanics,2009,30(11):3357-3364.(inChinese))
[6]陈肇元,崔京浩.土钉支护在基坑工程中的应用(第二版)[M].北京:中国建筑工业出版社,2000.(CHENZhao-yuan,CUI Jing-hao.Application of Soil Nailing Sup-port to Foundation Pit(The Second Edition)[M].Beijing:China Architecture&Building Press,2000.(in Chinese))
[7]付文光,杨志银.土钉墙技术的新进展及前景展望[J].岩土工程学报,2010,32(增):17-21.(FU Wen-guang,YANG Zhi-yin.New Progress and Development Prospect inTechnology of Soil Nail Walls[J].Chinese Journal ofGeotechnical Engineering,2010,32(Sup.):17-21.(inChinese))
[8]姜晓光,杨志银,刘斌.土钉墙水平位移计算的简便方法[J].土木工程学报,2010,43(8):121-124.(JIANG Xiao-guang,YANG Zhi-yin,LIU Bin.A SimpleMethod for Horizontal Displacement of Soil Nailing Walls[J].China Civil Engineering Journal,2010,43(8):121-124.(in Chinese))
[9]王立峰,朱向荣.土钉墙面层位移和内力的计算分析[J].岩土力学,2008,29(2):437-441.(WANG Li-feng,ZHU Xiang-rong.Analysis of Displacement and In-ner Force in Soil-nailing Walls[J].Rock and Soil Me-chanics,2008,29(2):437-441.(in Chinese))
[10]朱彦鹏,董建华.土钉支护边坡动力模型的建立及地震响应分析[J].岩土力学,2010,31(4):1013-1022.(ZHU Yan-peng,DONG Jian-hua.Dynamic CalculationModel and Seismic Response for Slope Protected by SoilNailing under Earthquake[J].Rock and Soil Mechanics,2010,31(4):1013-1022.(in Chinese))
[2]付文光,卓志飞.对“土钉墙”等术语命名的探讨[J].岩土工程学报,2010,10(7):808-809.(FU Wen-guang,ZHUO Zhi-fei.Discussion on Definition of Soil Nail Walls[J].Chinese Journal of Geotechnical Engineering,2010,10(7):808-809.(in Chinese))
[3]刘喜旺.土钉墙支护技术机理及其优化设计[J].湖南理工学院学报,2010,23(2):82-84.(LIU Xi-wang.Mechanisms and Optimal Design of Soil-nailing Wall Sup-porting Technology[J].Journal of Hunan Institute of Sci-ence and Technology(Natural Sciences),2010,23(2):82-84.(in Chinese))
[4]徐正来.土钉支护稳定性分析[J].四川建筑,2001,2(1):46-48.(XU Zheng-lai.Stability Analysis on SoilNailing[J].Sichuan Architectural,2001,2(1):46-48.(in Chinese))
[5]杨育文.土钉墙计算方法的适用性[J].岩土力学,2009,30(11):3357-3364.(YANG Yu-wen.Applicabili-ty of Computational Methods for Soil-nailing Walls[J].Rock and Soil Mechanics,2009,30(11):3357-3364.(inChinese))
[6]陈肇元,崔京浩.土钉支护在基坑工程中的应用(第二版)[M].北京:中国建筑工业出版社,2000.(CHENZhao-yuan,CUI Jing-hao.Application of Soil Nailing Sup-port to Foundation Pit(The Second Edition)[M].Beijing:China Architecture&Building Press,2000.(in Chinese))
[7]付文光,杨志银.土钉墙技术的新进展及前景展望[J].岩土工程学报,2010,32(增):17-21.(FU Wen-guang,YANG Zhi-yin.New Progress and Development Prospect inTechnology of Soil Nail Walls[J].Chinese Journal ofGeotechnical Engineering,2010,32(Sup.):17-21.(inChinese))
[8]姜晓光,杨志银,刘斌.土钉墙水平位移计算的简便方法[J].土木工程学报,2010,43(8):121-124.(JIANG Xiao-guang,YANG Zhi-yin,LIU Bin.A SimpleMethod for Horizontal Displacement of Soil Nailing Walls[J].China Civil Engineering Journal,2010,43(8):121-124.(in Chinese))
[9]王立峰,朱向荣.土钉墙面层位移和内力的计算分析[J].岩土力学,2008,29(2):437-441.(WANG Li-feng,ZHU Xiang-rong.Analysis of Displacement and In-ner Force in Soil-nailing Walls[J].Rock and Soil Me-chanics,2008,29(2):437-441.(in Chinese))
[10]朱彦鹏,董建华.土钉支护边坡动力模型的建立及地震响应分析[J].岩土力学,2010,31(4):1013-1022.(ZHU Yan-peng,DONG Jian-hua.Dynamic CalculationModel and Seismic Response for Slope Protected by SoilNailing under Earthquake[J].Rock and Soil Mechanics,2010,31(4):1013-1022.(in Chinese))
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