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[1]吴铭辉,王旭东.隧道施工引起上覆土层变形规律研究[J].南京工业大学学报(自然科学版),2015,37(02):97-101.[doi:10.3969/j.issn.1671-7627.2015.02.019]
 WU Minghui,WANG Xudong.Overburden soil deformation law caused by tunnel construction[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(02):97-101.[doi:10.3969/j.issn.1671-7627.2015.02.019]
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隧道施工引起上覆土层变形规律研究()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年02期
页码:
97-101
栏目:
出版日期:
2015-03-20

文章信息/Info

Title:
Overburden soil deformation law caused by tunnel construction
文章编号:
1671-7627(2015)02-0097-05
作者:
吴铭辉王旭东
南京工业大学 岩土工程研究所,江苏 南京 210009
Author(s):
WU MinghuiWANG Xudong
Institute of Geotechnical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
隧道施工 随机介质理论 土体变形 扩散传播
Keywords:
tunnel construction stochastic medium theory soil deformation diffusion-convect
分类号:
TU473
DOI:
10.3969/j.issn.1671-7627.2015.02.019
文献标志码:
A
摘要:
针对Peck公式在预测隧道施工引起地面沉降中不能考虑上覆土体体积变化的局限性,根据随机介质理论,建立了基于扩散传播方程可以考虑上覆土体体积变化的土体变形计算模型,以地面沉降分布为其边界条件,求得隧道上覆土层变形的计算表达式。在此基础上,利用典型工程案例实测数据拟合反分析了模型参数。计算结果分析表明:考虑隧道施工引起土体体积变化的计算模式更符合实际情况,并总结了模型计算参数的取值与土体性质的关系,为隧道施工引起上覆土层变形的预测提供了一条合理的途径。
Abstract:
Since volumetric change of overburden soil was not considered in Peck formula to predict the surface settlement caused by tunneling,a soil deformation calculation model was established based on the diffusion-convect equation according to stochastic medium theory.The computation expression of the soil deformation above the tunnel was derived by setting surface settlement distribution as a boundary condition.Model parameters were analyzed by fitting measured data in typical engineering cases.Analysis results showed that it was more aligned with actual situation to consider the volumetric change of overburden soil on the calculation mode.The relationship between the model calculation parameter values and soil property was concluded to predict the overburden soil deformation for the tunnel construction.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-04-06
基金项目:国家自然科学基金(41272303); 江苏省“六大人才高峰”计划(09-F-004)
作者简介:吴铭辉(1988—),男,江苏东台人,硕士生,主要研究方向为岩土工程; 王旭东(联系人),教授,E-mail:cewxd@njtech.edu.cn.
引用本文:吴铭辉,王旭东.隧道施工引起上覆土层变形规律研究[J].南京工业大学学报:自然科学版,2015,37(2):97-101..
更新日期/Last Update: 2015-02-20