The cast-in-place structures commonly used in metro
stations possess disadvantages, such as long construction periods, significant
environmental impact, and inconsistent concrete pouring quality. To address
these issues, a study is conducted on the prefabricated station scheme used for
Qingdao metro line 6, building on the scheme implemented in Changchun. The
final scheme is refined by examining cross-section
profiles, component thickness, blocking modes, and internal structural
assemblies. The validity of this scheme is validated by comparing it with
similar prefabricated station schemes. Based on the "incremental
method" principle, an assembly scheme for the prefabricated station under
pile support is proposed, accompanied by the development of supporting
equipment and refined process controls. The research results reveal the
following: (1) The prefabricated station scheme features a column-free station hall, equivalent thickness components, inverted arch
blocks, and medium plate prefabrication. This design simplifies manufacturing,
accelerates the assembly process, and provides a rational structural system.
(2) The assembly of internal structures, such as the middle plate and
longitudinal beam, expands the application scenarios of prefabricated
technology, greatly improving construction efficiency. (3) The proposed pile
support system assembly scheme minimizes the influence of the internal support
on the component assembly and can adapt to various types of enclosure
structures of Qingdao metro line 6. (4) The prefabricated station of Qingdao
metro outperforms traditional cast-in-place station in terms of concrete quality, joint antileakage
performance, and construction effect.
LIU Hao
,
LI Peiqing
,
HUANG Meiqun
.
Research and Application of Prefabricated Stations on Qingdao Metro Line 6
[J]. Tunnel Construction, 2025
, 45(3)
: 604
-612
.
DOI: 10.3973/j.issn.2096-4498.2025.03.016
