Due to its particular location and huge scale, the Badaling
Great Wall underground station has the following features: large span, large
coverdepth, stacked/overlapped tunnels/caverns, a large number of historical
sites, strict environmental protection requirements, large passenger flow, and
short train headway. The construction of the Badaling Great Wall underground
station faces problems in the following aspects: the design and construction
organization of the stacked/overlapped tunnels/caverns, the construction of the
tunnel with superlarge span, the protection of the
cultural relics and environments, and the operation of the complex underground
station. Key construction and operation technologies proposed or developed to
address these challenges are as follows: (1) The building information modelingbased collaborative design of the underground station, the
construction safety guarantee technologies for the stacked/overlapped
tunnels/caverns with small clearance, and the intelligent construction
organization of the stacked/overlapped tunnels/caverns, which realizes the
optimum layout of the stacked/overlapped tunnels/caverns and the efficient
construction organization of the complex structure. (2) With active support
technology, sequential excavation technology and long service life structure
system for the tunnel section with superlarge span,
safe and rapid construction of the tunnel section with superlarge span in soft surrounding rock is achieved. (3) The problem of
the tunnel passing underneath the scenic area is solved due to the recessive
design of the exit of the underground station, the quantitative control of the
microvibration microdamage
precise blasting, the ventilation and dust control during the construction of
the underground station and the adoption of the clean/sewage water separation
and drainage system. (4) Due to the comfortable environment created, the
intelligent disaster prevention, evacuation and rescue system, the intelligent
operation/management system, and the intelligent energy management system
adopted for the deep underground station consisting of stacked/overlapped
tunnels/caverns, the riding comfort and life safety of the passengers are
ensured and efficient and energysaving operation of
the complex deep underground station is achieved.
WANG Tongjun
,
MA Weibin
,
WANG Yong
. Key Technologies for Construction and Operation of Badaling Great Wall Underground Station on Beijing-Zhangjiakou HighSpeed Railway[J]. Tunnel Construction, 2023
, 43(1)
: 1
-16
.
DOI: 10.3973/j.issn.2096-4498.2023.01.001