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[1]刘向峰,郝国亮,张怡斌,等.草本植物对排土场边坡稳定性提升效果研究*[J].中国安全生产科学技术,2021,17(9):103-108.[doi:10.11731/j.issn.1673-193x.2021.09.016]
　LIU Xiangfeng,HAO Guoliang,ZHANG Yibin,et al.Study on improvement effect of herb plants on slope stability of dumping site[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(9):103-108.[doi:10.11731/j.issn.1673-193x.2021.09.016]
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草本植物对排土场边坡稳定性提升效果研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年9期
页码:
103-108
栏目:
职业安全卫生管理与技术
出版日期:
2021-09-30

文章信息/Info

Title:
Study on improvement effect of herb plants on slope stability of dumping site
文章编号:
1673-193X(2021)-09-0103-06
作者:
刘向峰; 郝国亮; 张怡斌; 向丽; 王来贵
（辽宁工程技术大学 力学与工程学院，辽宁 阜新 123000）
Author(s):
LIU Xiangfeng;  HAO Guoliang;  ZHANG Yibin;  XIANG Li;  WANG Laigui
(College of Mechanics and Engineering,Liaoning Technical University,Fuxin Liaoning 123000,China)
关键词:
草本植物固坡; 边坡稳定性; 排土场; 根黏聚力
Keywords:
slope reinforcement with herb plants;  slope stability;  dumping site;  root cohesion
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2021.09.016
文献标志码:
A
摘要:
为了研究草本植物对排土场边坡加固能力，通过对排土场碱蓬和早熟禾根系生长情况进行调查，量化植物根随深度的分布关系，与此同时，采集2种草本植物根，通过根的抗拉试验，采用纤维束模型量化2种草本植物根黏聚力，采用FLAC3D分析边坡稳定性。结果表明，2种草本植物根的抗拉力与直径呈现幂律关系，根的抗拉力存在显著性差异。2种草本植物根面积比和根黏聚力均随深度的增加而降低，对比根黏聚力，碱蓬的根黏聚力大于早熟禾。草本植物加固后边坡安全系数提高，裸露边坡的安全系数为2.08，早熟禾与碱蓬加固的边坡的安全系数分别为2.09和2.1。
Abstract:
In order to study the reinforcement ability of herb plants on the slope of dumping site,the distribution relationship of plant roots with the depth was quantified by investigating the root system growth of Suaeda glauca Bge and Poa annua in the dumping site.At the same time,the roots of two herb plants were collected,and the root cohesion of two herb plants were quantified by using the fiber bundle model through the tensile test of root,then the slope stability was analyzed by using FLAC3D.The results showed that the root tensile strength and diameter of two herb plants presented the power-law relationship,and there were significant difference in the root tensile strength.The root area ratio and root cohesion of two herb plants decreased with the increase of depth.Compared with the root cohesion,the root cohesion of Suaeda glauca Bge was greater than that of Poa annua.The safety factor of slope was improved reinforced by herb plants.The safety factor of bare slope was 2.08,and the safety factors of the slopes reinforced by Poa annua and Suaeda glauca Bge were 2.09 and 2.1,respectively.

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备注/Memo

备注/Memo:
收稿日期： 2020-12-16
* 基金项目： 国家重点研发计划项目（2017YFC1503101）
作者简介： 刘向峰，博士，教授，主要研究方向为矿山灾害治理及生态修复。
通信作者： 郝国亮，硕士研究生，主要研究方向为地质灾害治理。
更新日期/Last Update: 2021-10-02