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Title: Field monitoring and analysis of the influence of shield tunnelling for the Hangzhou Metro on existing buildings
Authors: Wei, G
Ye, Q
Yu, X
Keywords: Building
Grouting volume
Shield tunnel
Issue Date: 2015
Publisher: 中铁西南科学研究院, 中国土木工程学会隧道及地下工程分会
Source: 现代隧道技术 (Modern tunnelling technology), 2015, v. 52, no. 3, p. 150-159 How to cite?
Journal: 现代隧道技术 (Modern tunnelling technology) 
Abstract: Using the double-tube shield tunnelling of Hangzhou Metro Line 1 that passes beneath buildings as an example, field monitoring was performed and relevant analyses were made regarding the measured settlements of existing buildings and ground surface in combination with shield driving parameters; the settlement rules of different positions and buildings induced by the double-tube shield tunnel construction were researched. The results show that; 1) building settlement can be effectively controlled by managing the volumes of grouting and soil extraction; 2) the larger the base area of a building, the more variable the settlement curve of the monitoring point, which requires strict control of the construction process; and 3) the closer the horizontal distance between the buildings and tunnel axis, the more approximate is the settlement rule of the monitoring point to that of the ground surface above the axis.
ISSN: 1009-6582
DOI: 10.13807/j.cnki.mtt.2015.03.021
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