[1]段绍伟,黄磊,鲍灶成,等.修正的Peck公式在长沙地铁隧道施工地表沉降预测中的应用[J].自然灾害学报,2015,(01):164-169.[doi:10.13577/j.jnd.2015.0121]
 DUAN Shaowei,HUANG Lei,BAO Zaocheng,et al.Application of modified Peck formula in surface subsidence prediction of Changsha subway tunnel construction[J].,2015,(01):164-169.[doi:10.13577/j.jnd.2015.0121]
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修正的Peck公式在长沙地铁隧道施工地表沉降预测中的应用
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2015年01期
页码:
164-169
栏目:
出版日期:
2015-02-28

文章信息/Info

Title:
Application of modified Peck formula in surface subsidence prediction of Changsha subway tunnel construction
作者:
段绍伟1 黄磊1 鲍灶成2 沈蒲生3
1. 中南林业科技大学, 湖南 长沙 410000;
2. 广东省重工建筑设计院有限公司, 广东 广州 510034;
3. 湖南大学, 湖南 长沙 410082
Author(s):
DUAN Shaowei1 HUANG Lei1 BAO Zaocheng2 SHEN Pusheng3
1. Central South University of Forestry and Technology, Changsha 410000, China;
2. Guangdong Zhonggong Architectural Design Institute Co.Ltd, Guangzhou 510034, China;
3. Hunan University, Changsha 410082, China
关键词:
地铁隧道地表沉降Peck公式回归分析修正系数
Keywords:
subway tunnelsurface subsidencePeck formularegression analysiscorrection coefficient
分类号:
P315.9
DOI:
10.13577/j.jnd.2015.0121
摘要:
在目前众多预测地铁隧道开挖引起地表位移的经验方法中,Peck提出的高斯方程是最简便,也是应用最为广泛的方法。由于这一公式的提出是基于有限地区的实测资料,在应用前应先进行基于当地实测资料的验证工作。根据长沙市地铁开挖的实际观测数据,采用回归分析法引入两个修正系数,即地表最大沉降修正系数和沉降槽宽度修正系数,对Peck公式进行了修正,得出了适用于长沙地区的Peck公式。工程实践表明,修正的Peck公式对长沙地区隧道施工地表沉降预测具有工程指导意义。
Abstract:
Gaussian equation suggested by Professor Peck is one of the simplest and most popular-used methods to predict the soft ground movement induced by shallow tunneling work. The application of this method in China should be carefully verified and evaluated since it was suggested based on actual measurements of limited areas.This paper improves the Peck formula and develops an applicable Peck formula for Changsha by focusing on the observed data of Shield Equipment & Project,introducing two correction coefficients by using the regression analysis method: the correction coefficient of the maximum surface subsidence and the correction coefficient of the subsidence groove width.Engineering practices show that the modified Peck formula has an engineering guidance significance to the surface subsidence prediction of the tunnel construction in Changsha .

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-1-12;改回日期:2014-3-10。
基金项目:国家自然科学基金项目(51274258,51204215);湖南科技计划项目(2013SK3150);湖南省住房和城乡建设厅科学技术项目(KY201112)
作者简介:段绍伟(1967-),男,教授,博士,主要从事地质灾害研究.E-mail:duanshaowei8@sohu.com
通讯作者:黄磊,女,硕士研究生.E-mail:m18229974794@163.com
更新日期/Last Update: 1900-01-01