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隧道建设(中英文) ›› 2009, Vol. 29 ›› Issue (6): 629-632,663.DOI: A

• 研究与探索 • 上一篇    下一篇

隧道监控量测的数据回归分析探讨

王胜涛1,梁小勇2,周亦涛3   

  1. 1.中铁隧道勘测设计院有限公司|天津 300133; 2.河北科技大学建筑工程学院| |石家庄050018;
    3.河北工程技术高等专科学校水利工程系| |河北 沧州061001
  • 收稿日期:2009-10-09 修回日期:2009-11-20 出版日期:2009-12-20 发布日期:2010-01-06
  • 作者简介:王胜涛(1982—)|男|河南洛阳人|2008年毕业于石家庄铁道学院桥梁与隧道工程专业|硕士|助理工程师|现从事隧道勘测设计工作。

Regression Analysis on Monitoring Data of Tunnel Works

WANG Shengtao1, LIANG Xiaoyong2, ZHOU Yitao3   

  1. 1. China Railway Tunnel Survey and Design Institute Co., Ltd., Tianjin 300133, China|2. College of Civil
    Engineering and Architecture, Hebei University of Science and Technology, Shijiazhuang 050018, China;
    3. Department of Hydraulic Engineering, Hebei Engineering and Technical College, Cangzhou 061001, Hebei, China
  • Received:2009-10-09 Revised:2009-11-20 Online:2009-12-20 Published:2010-01-06

摘要:

监控量测是掌握隧道施工中围岩动态变化过程的手段,通过对监控数据的回归分析可以预测围岩的最终位移等,进而有效地指导隧道设计与施工。讨论可以作为回归函数的类型,把函数U=A-Bln(1/t+C)作为回归分析函数,从理论上分析是合理的,工程实例证明也是有效的。提出选择回归分析函数的原则。通过改变常数C使拟合残差平方和更小,从而使回归效果更加符合实际,对隧道施工监控量测数据分析具有一定的指导意义。

关键词:  , 隧道 监控量测 回归分析 信息反馈 拱顶沉降

Abstract:

Monitoring is an important means to obtain the dynamic behavior of the surrounding rock mass during tunnel construction. The ultimate displacement of the surrounding rock mass can be predicted by regression analysis on the monitoring data, which can provide effective guidance for the design and construction of tunnels. The types of functions that can be used as regression functions are discussed in the paper. It is theoretically reasonable and practically effective to take function U=A-Bln(1/t+C) as a regression function. The principle for regression analysis function selection is proposed in the paper. The fitted residual sum of the squares can be minimized by varying constant C so that the regression results can be more realistic. The paper can provide reference for the analysis of the monitoring results of tunnel works.

Key words: tunnel, monitoring  regression analysis  information feedback  crown settlement

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