In this study, the factors influencing the selection
of mining shaft location, such as macroscopic location and wellhead position,
are analyzed; the factors influencing railway shaft location selection,
including auxiliary function, terrain conditions, and shaftbuilding
engineering conditions, are compared; the characteristics of the selected
railway shaft location are put forward; and the shaft location selection
principle and requirements of the regionalhydrogeological
conditions, engineeringgeological conditions, local
terrain conditions, and plane relationship between shaft and tunnel, are
determined. Then, the main control factors for Gaoligongshan tunnel shaft
selection of DaliRuili railway, which include regional
scope determination for construction organization, short section of shaft
location refined by geological conditions, and the final location determined by
the feasibility of shaft site conditions, are discussed in detail. Finally, the
findings from the railway shaft location selection are summarized, and
suggestions are put forward as follows： (1) The
technical route and key geological conditions for selecting railway shaft
locations differ from that of the mining specialty. (2) Compared with other
factors influencing the selection of railway shaft location, more attention
should be paid to the judgment of geological conditions in shaft construction.
(3) The influence of shaft dewatering should be considered. Overall, the
accurate judgment of hydrogeological conditions is the key to railway shaft
location selection. The successful implementation of deep and large shafts
constructed for the Gaoligongshan tunnel can provide a new choice for auxiliary
galleries.
LIU Jianbing
,
YANG Changyu
,
WANG Huanlong
,
ZENG Yunchuan
. Engineering Application and Main Control Factors of
Selection of Deep and Large Shaft Location for Railway Tunnel[J]. Tunnel Construction, 2021
, 41(3)
: 411
-418
.
DOI: 10.3973/j.issn.2096-4498.2021.03.009
