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| 土工格栅柔性支护在处治膨胀土路堑滑坡中的应用 | |
| 引用本文： | 谭波,杨和平,罗奕.土工格栅柔性支护在处治膨胀土路堑滑坡中的应用[J].桂林工学院学报,2006,26(2):200-204. |
| 作者姓名： | 谭波 杨和平 罗奕 |
| 作者单位： | 1. 长沙理工大学,公路工程学院,长沙,410076;桂林工学院,土木工程系,广西,桂林,541004 2. 长沙理工大学,公路工程学院,长沙,410076 3. 桂林电子工业学院,机电与交通工程系,广西,桂林,541004 |
| 基金项目： | 交通部西部交通建设科技项目“膨胀土地区公路修筑成套技术研究”（2002318000）. |
| 摘 要： | 膨胀土路堑滑坡是公路建设中最为严重且难以处治的工程病害,目前缺乏既经济合理又安全可靠的处治技术手段.通过分析宁明膨胀土路堑边坡土体的工程特点以及滑坡规律,提出了柔性支护综合处治措施.介绍了土工格栅柔性支护的处治措施的原理、设计方案以及施工方法,采用有限元方法对柔性支护体和刚性挡墙的支挡变形进行了对比计算.该措施对边坡既能起到“保湿防渗”封闭处治作用,又具有良好的支挡效果. |
| 关 键 词： | 膨胀土 路堑滑坡 土工格栅 柔性支护 |
| 文章编号： | 1006-544X(2006)02-0200-05 |
| 收稿时间： | 2005-08-18 |
| 修稿时间： | 2005年8月18日 |
Application of geogrid flexible support in dealing with expansive soil cutting landslide |
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| TAN Bo,YANG He-ping,LUO Yi.Application of geogrid flexible support in dealing with expansive soil cutting landslide[J].Journal of Guilin University of Technology,2006,26(2):200-204. | |
| Authors: | TAN Bo YANG He-ping LUO Yi |
| Abstract: | Expansive soil cutting landslide is serious and difficult to deal with in highway construction.The present economical,reasonable and secure treatment technology is not satisfied.Based on the analysis of engineering features and rules of landslide in Ningming expansive soil slope,the integrated treatment method of flexible supporting structure is presented.The treatment mechanism,the treatment plan and construction method of geogrid flexible supporting structure are introduced.The finite element method is used in contrastive calculate of distortion between flexible and rigid supporting structure.This approach can contribute to the hermetical treatment of keeping humid and anti-seepage,as well as good supporting effect. |
| Keywords: | expansive soil cutting landslide geogrid flexible support |
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