[1]汤劲松,刘松玉,童立元.植物根系的加筋作用对浅埋公路隧道施工稳定的影响[J].东南大学学报(自然科学版),2009,39(2):334-339.[doi:10.3969/j.issn.1001-0505.2009.02.027]
 Tang Jinsong,Liu Songyu,Tong Liyuan.Reinforcement effect of plant roots on construction stability of shallow highway tunnel[J].Journal of Southeast University (Natural Science Edition),2009,39(2):334-339.[doi:10.3969/j.issn.1001-0505.2009.02.027]
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植物根系的加筋作用对浅埋公路隧道施工稳定的影响()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
39
期数:
2009年第2期
页码:
334-339
栏目:
交通运输工程
出版日期:
2009-03-20

文章信息/Info

Title:
Reinforcement effect of plant roots on construction stability of shallow highway tunnel
作者:
汤劲松12 刘松玉1 童立元1
1 东南大学岩土工程研究所, 南京 210096; 2 石家庄铁道学院土木工程分院, 石家庄 050043
Author(s):
Tang Jinsong12 Liu Songyu1 Tong Liyuan1
1 Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, China
2 School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China
关键词:
浅埋隧道 施工稳定 植物根系加筋 浅层加筋 深层锚固
Keywords:
shallow tunnel construction stability reinforcement of plant roots shallow reinforcement deep anchorage
分类号:
U451
DOI:
10.3969/j.issn.1001-0505.2009.02.027
摘要:
考虑不同类型植物根系的加筋效果,分别采用浅根加筋和深根锚固及其联合加筋模型,通过三维数值模拟分析,对比研究发现:植物根系的浅层加筋作用以及存在主根、侧根和须根的木本植物根系联合加筋作用对于软弱岩体浅埋公路隧道的施工稳定能够产生积极有利影响,而单纯主根型木本植物根系加筋对浅埋隧道施工稳定的影响不明显.对于浅层加筋来说,当隧道的埋深在植物根系影响深度范围之内时,植物根系的加筋作用对浅埋隧道施工稳定的影响效果最好.
Abstract:
The reinforcement influence from different type of plant roots are taken into account, and the reinforcement effect of shallow roots, the anchorage function of deep roots, and their combination reinforcement model were analyzed, respectively. Based on 3D numerical simulation, it is found that the shallow reinforcement effect of plant roots and the combining reinforcement effect of woody plant roots having taproot, side roots and fibre roots show positive effect for construction stability of shallow highway tunnel in weak rock mass. However, the anchorage effect of woody plant roots with taproot only is not obvious for construction stability of shallow tunnel. The shallow reinforcement function of plant roots is optimal for construction stability of shallow tunnel in weak rock mass when embedded depth of tunnel is within influencing depth of plant roots.

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备注/Memo

备注/Memo:
作者简介: 汤劲松(1970—),男,博士生,副教授; 刘松玉(联系人),男,博士,教授,博士生导师,liusy@seu.edu.cn.
基金项目: 江苏省交通科研计划资助项目(04Y046).
引文格式: 汤劲松,刘松玉,童立元.植物根系的加筋作用对浅埋公路隧道施工稳定的影响[J].东南大学学报:自然科学版,2009,39(2):334-339.
更新日期/Last Update: 2009-03-20