Application of Rocks Removal Technologies before Shield-Driving in the Line 9 Guangzhou Metro

Lv Xian Zeng; Wei Dong Hu; Si Xi Xiao

doi:10.4028/www.scientific.net/AMR.639-640.251

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 639-640Application of Rocks Removal Technologies before...

Application of Rocks Removal Technologies before Shield-Driving in the Line 9 Guangzhou Metro

Abstract:

Detailed geological profile and complementary prospecting histogram revealed a series of hard rocks in the Line 9 tunnel of the Guangzhou metro, greatly increasing the difficulty of shield construction. The geological and hydrological condition of the project was very complex and vertical shafts were used to remove the rocks in order to reduce the cost of the project. Reverse construction technology was applied to the construction of vertical shafts. The calculation of internal forces and relevant design of the vertical shaft wall are introduced herein. The vertical shafts and surrounding buildings were monitored and the monitored contents are also described in detail. At the same time, some emergency measures were applied to ensure the safety of the project. The rocks removal technologies before shield-driving in the line 9 of the Guangzhou metro are introduced herein and the results can be referenced to other similar projects.

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Periodical:

Advanced Materials Research (Volumes 639-640)

Pages:

251-256

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.639-640.251

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Online since:

January 2013

Authors:

Lv Xian Zeng, Wei Dong Hu, Si Xi Xiao

Keywords:

Construction Monitoring, Metro, Removed-Rock Shaft, Shield

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References

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