考虑盾尾注浆隆起的盾构掘进地面位移预测

林存刚; 吴世明; 张忠苗; 刘冠水; 李宗梁

doi:10.3969/j.issn.1674-4764.2012.06.014

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考虑盾尾注浆隆起的盾构掘进地面位移预测

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- 考虑盾尾注浆隆起的盾构掘进地面位移预测
- Prediction of Ground Surface Movements Due to Shield Tunneling with Tail Grouting Heave
- 土木与环境工程学报（中英文） 2012年34卷第6期页码：80-88
- 作者机构：
  
  1. 浙江大学软弱土与环境土工教育部重点实验室
  2. 岩土工程研究所,杭州,310058
  3. 杭州运河隧道有限公司,杭州,310002
  4. 杭州庆春路过江隧道有限公司,杭州,310002
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51078330);杭州市钱江特聘专家科研资助项目
- DOI：10.3969/j.issn.1674-4764.2012.06.014
  中图分类号：
- 纸质出版：2012
- 稿件说明：
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林存刚, 吴世明, 张忠苗, 等. 考虑盾尾注浆隆起的盾构掘进地面位移预测[J]. 土木与环境工程学报（中英文）, 2012,34(6):80-88.

LIN Cungang, WU Shiming, ZHANG Zhongmiao, et al. Prediction of Ground Surface Movements Due to Shield Tunneling with Tail Grouting Heave[J]. Journal of Civil and Environmental Engineering, 2012, 34(6): 80-88.
林存刚, 吴世明, 张忠苗, 等. 考虑盾尾注浆隆起的盾构掘进地面位移预测[J]. 土木与环境工程学报（中英文）, 2012,34(6):80-88. DOI： 10.3969/j.issn.1674-4764.2012.06.014.

LIN Cungang, WU Shiming, ZHANG Zhongmiao, et al. Prediction of Ground Surface Movements Due to Shield Tunneling with Tail Grouting Heave[J]. Journal of Civil and Environmental Engineering, 2012, 34(6): 80-88. DOI： 10.3969/j.issn.1674-4764.2012.06.014.

摘要

通过对3个盾构隧道工程实例中盾尾注浆引起的地面隆起的分析，对比了Mindlin解、Sagaseta法、Verruijt-Booker法、Loganathan-Poulos法、Chi法和Park法6种解析方法及高斯公式预测盾构掘进盾尾注浆引起的地面隆起的适用性，并结合工程实例给出了考虑注浆地面隆起后盾构掘进地面位移计算的修正Peck公式。分析表明：盾尾注浆引起的横断面地面隆起曲线，可以用高斯公式和Chi法较好地拟合，在确定注浆隆起宽度参数Kh和沉降影响角β的经验取值后，可预测盾构注浆隆起。考虑注浆隆起的修正Peck公式，可合理地预测包含注浆隆起在内的盾构掘进引起的横断面地面位移。

Abstract

Compared with conventional tunneling methods

ground movements behave some different patterns

such as surface heave induced by tail grouting. Through the analysis of ground surface heave due to tail grouting in three cases

the applicability of Gaussian equation and six analytic methods (including Mindlin's problem

Sagaseta method

Verruijt-Booker method

Loganathan-Poulos method

Chi method and Park method) to predict ground surface heave induced by tail grouting were verified. Based on case studies

one modified Peck equation was proposed to calculate ground surface movements

including grouting heave due to shield tunneling. The results show that the Gaussian equation and Chi method are applicable to calculate surface heave due to shield tail grouting

and the Modified Peck Equation can predict the total transversal ground surface movements rationally.

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