东北大学学报（自然科学版）

东北大学学报:自然科学版 ›› 2014, Vol. 35 ›› Issue (6): 880-883.DOI: 10.12068/j.issn.1005-3026.2014.06.027

• 资源与土木工程 • 上一篇    下一篇

端部卷轴式土工格栅加固尾矿堆积坝

魏作安1,2，徐佳俊2，陈宇龙3，张丹丹4   

  1. (1 重庆大学 煤矿灾害动力学与控制国家重点实验室， 重庆400030； 2 重庆大学 资源及环境科学学院， 重庆400030；3 东京大学 土木工程系， 日本 东京113-8656； 4 重庆能源职业学院 土木工程系， 重庆400041)
  • 收稿日期:2013-07-06 修回日期:2013-07-06 出版日期:2014-06-15 发布日期:2014-04-11
  • 通讯作者: 魏作安
  • 作者简介:魏作安(1965-)，男，江西南昌人，重庆大学教授，博士生导师.
  • 基金资助:
    国家自然科学基金资助项目(11372363)；赣鄱英才555工程项目.

Reinforcement Method of Both Ends Scroll Geosynthetics in Tailings Dam

WEI Zuoan1,2， XU Jiajun2， CHEN Yulong3， ZHANG Dandan4   

  1. 1State Key Laboratory of Coal Mine Disaster Dynamics and Control， Chongqing University， Chongqing 400030， China; 2College of Resource and Environmental Sciences， Chongqing University， Chongqing 400030， China; 3Department of Civil Engineering， The University of Tokyo， Tokyo 113-8656， Japan; 4Department of Civil Engineering， Chongqing Energy College， Chongqing 400041， China.
  • Received:2013-07-06 Revised:2013-07-06 Online:2014-06-15 Published:2014-04-11
  • Contact: WEI Zuoan
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摘要： 针对现有土工合成材料加固土工构筑物的缺陷，提出了端部卷轴式土工格栅加固方法，分析了该方法的作用原理及优点.以新建尾矿库尾矿堆积坝加固工程为背景，利用水平条分法和数值模拟，研究了端部卷轴式土工格栅用于尾矿堆积坝加固的可行性.结果显示，采用端部卷轴式土工格栅加固后，不仅使尾矿坝的稳定性提高14%~17%，而且能改变坝体应力场的分布，使其朝着有利坝体稳定的方向变化.

关键词: 尾矿处理, 端部卷轴式土工格栅, 边坡稳定, 数值模拟

Abstract: In order to avoid the shortcomings of current reinforcement method for geosynthetic materials， a type of reinforcement method， named an end scroll geosynthetics that both the start port and the end port of geosynthetics were rolled in reinforcement， was introduced. Its function principle and advantages were also analyzed. And with the new tailings dam reinforcement project， the feasibility of using the reinforcement method of end scroll geosynthetics in the tailings dam was analyzed by horizontal slice method and numerical simulation method. The results show that after using the reinforcement method of end scroll geosynthetics， not only the stability can be increased by 14%~17%， the stress distributions are also changed toward the favorable direction to dam stability.

Key words: tailings disposal, end scroll geosynthetics, slope stability, numerical simulation

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