It is risky and complicated to tear down multiple
largediameter slurry shields in a shaft, and the process often takes long
time and there isnot enough space for shield storage. Wangjing tunnel in the
passenger dedicated line of BeijingShengyang highspeed railway, where 4 largediameter shield
machines are desmantled in a same receiving shaft, is set as an example to
summarize the preparations and process flow for quick dismantling and to
introduce the method of combining shield dismantling and storage. The results
show that: （1）The method,
assembling the key parts of shield simply, helps to save storage space and
decrease maintenance cost, as largediameter shield has
low ultilization and long storage time; (2)When multiple largediameter shields need to be torn down and stored in the same shaft
at downtown, it is better to assemble them again in storage area so as to
achieve quick dismantling and sitetransfer.
XU Weiqing, ZHANG Hua
.
Research on Rapid Dismantling and Storage Method of Multiple
LargeDiameter Slurry Shields
[J]. Tunnel Construction, 2021
, 41(S1)
: 478
.
DOI: 10.3973/j.issn.2096-4498.2021.S1.063
