微型桩群在高位滑坡应急治理中的应用分析
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摘要
处于蠕滑状态的高位滑坡,快捷、有效的应急治理措施是稳固滑坡的关键。分析研究了高位滑坡成因机制与加固机理,探究微型桩群在高位滑坡应急治理中的适用性和可靠性,希望为类似滑坡应急治理工程实践提供参考,并结合青中村滑坡应急治理工程实例,讨论微型桩群设计施工中的技术要点,指出微型桩群治理高位滑坡可达到快速稳固滑坡的目的,其技术可行、施工便捷、支挡效果明显。
Fast and effective emergency treatment measures for high-level landslides in creeping state are the key to stabilizing landslides. This paper studies the cause mechanism and reinforcement mechanism of high-level landslide,explores the applicability and reliability of micro-pile group in emergency treatment of high-level landslide,and hopes to provide reference for similar landslide emergency treatment engineering practice.Taking Qingzhongcun landslide emergency control project as an example,this paper discusses the key technical points in the design and construction of micro pile group. The micro-pile group treatment of high-level landslide can achieve the purpose of fast and stable landslide,which is feasible in technology,convenient in construction and obvious in retaining effect.
Fast and effective emergency treatment measures for high-level landslides in creeping state are the key to stabilizing landslides. This paper studies the cause mechanism and reinforcement mechanism of high-level landslide,explores the applicability and reliability of micro-pile group in emergency treatment of high-level landslide,and hopes to provide reference for similar landslide emergency treatment engineering practice.Taking Qingzhongcun landslide emergency control project as an example,this paper discusses the key technical points in the design and construction of micro pile group. The micro-pile group treatment of high-level landslide can achieve the purpose of fast and stable landslide,which is feasible in technology,convenient in construction and obvious in retaining effect.
引文
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[3]穆鹏,董兰凤,吴玮江.兰州市九州石峡口滑坡形成机制与稳定性分析[J].地震工程学报,2008,30(4):332-336.
[4]温铭生,方志伟,王阳谷.都江堰市五里坡特大滑坡灾害特征与致灾成因[J].现代地质,2015,29(2):448-453.
[5]孙萍,张永双,殷跃平,等.东河口滑坡—碎屑流高速远程运移机制探讨[J].工程地质学报,2009,17(6):737-744.
[6]苟富刚,王运生,吴俊峰,等.都江堰庙坝地震高位滑坡特征与成因机理研究[J].工程地质学报,2012,20(1):21.
[7]王得双,梁收运,赵红亮.高位滑坡特征与防治[J].地质灾害与环境保护,2018,29(3):6-10.
[8]何文秀,宫自强,蒋权翔,等.某高位滑坡的形成机制及灾害链治理分析[J].长春工程学院学报,2015,16(2):95-98.
[9]杜国梁,张永双,姚鑫,等.都江堰五里坡高位滑坡—碎屑流成因机制分析[J].岩土力学,2016,37(2):493-501.
[10]苏媛媛,张占民,刘小丽.微型抗滑桩设计计算方法综述与探讨[J].岩土工程学报,2010,32(1):223-228.
[11]史佩栋,何开胜.小桩的起源、应用与发展(Ⅳ)[J].岩土工程界,2005,8(11):19-23.
[12]郑瑜.国外微型桩发展概况[J].港口工程,1990(5):49-53.
[13]朱宝龙,胡厚田,张玉芳,等.钢管压力注浆型抗滑挡墙在京珠高速公路K108滑坡治理中的应用[J].岩石力学与工程学报,2006,25(2):399-406.
[14]朱宝龙.类软土滑坡工程特性及钢管压力注浆型抗滑挡墙的理论研究[D].成都:西南交通大学,2005.
[15]闫金凯,殷跃平,门玉明,等.滑坡微型桩群桩加固工程模型试验研究[J].土木工程学报,2011,44(1):120-127.
[16]王树丰,门玉明,李仕华.滑坡灾害微型桩连梁的作用[J].灾害学,2010,25(2):45-48.