Luntou Bio Island No.2 Tunnel
HEIGHT: 8.70m
WIDTH: 23m
TOTAL IMMERSED LENGTH: 214m
ENVIRONMENTAL CONDITIONS:
Busy traffic environment.
FABRICATION METHOD:
Steel shell and concrete composite structure constructed in
dry dock.
WIDTH: 23m
TOTAL IMMERSED LENGTH: 214m
ENVIRONMENTAL CONDITIONS:
Busy traffic environment.
FABRICATION METHOD:
Steel shell and concrete composite structure constructed in
dry dock.
Guangzhou,
China
Guangzhou Municipal Administration Landscape Bureau
China Railway Tunnel Group
China Railway Tunnel Survey & Design Institute, CO., LTD.
107m
214m
Project construction
2
Two tubes; Two lanes in each tube.
8.7m
23m
Composite structure employed in the design of rectangular box section.
Flexible immersion joints designed for seismic loads, uneven settlement and thermal
stresses.
Flexible immersion joints designed for seismic loads, uneven settlement and thermal
stresses.
Steel shell and concrete composite structure constructed in
dry dock.
dry dock.
Busy traffic environment.
Placed by pontoons
GINA / OMEGA Type. Post-tensioned cables across
joint. Vertical and horizontal shear keys provided at all
walls and slabs.
joint. Vertical and horizontal shear keys provided at all
walls and slabs.
Water-tight steel plate
0.5 m thick non-segregating cement grout layer over screeded gravel
Backfill to the original riverbed