Freyssinet executed one bridge erection operation for the footbridge in Western Kowloon Hong Kong in Dec 2019 by a special method which is the 1st time adopted in Hong Kong. The bridge erection operation includes 2 stages;
1st Stage | Pushing Operation:
Pushing the bridge by about 6m in daytime to shift the centre of gravity of the footbridge passing through the pin support position. Load transfer is also carried out from the pushing system to the lowering system
2nd Stage | Lowering Operation:
Lowering the bridge by strand jacks to the final position. The lowering is about 35m and 50m for Portion B & Portion C respectively.
Plant & Equipment (Portion B):
Pushing Operation
80 Tons Push & Pull Jack in 2000mm Stroke x 1 nos.
Hebetec Hydraulic Power Pack PA 4-8 x 1 nos.
Lowering Operation
Hebetec 140 Tons Lowering Strand Jack (HA-140) x 4 nos.
Hebetec Hydraulic Power Pack PA 4-30 x 1 nos.
Hebetec Hydraulic Power Pack KPA-1-2.2 x 1 nos.
Plant & Equipment (Portion C):
Pushing Operation
80 Tons Push & Pull Jack in 2000mm Stroke x 1 nos.
Hebetec Hydraulic Power Pack PA 4-8 x 1 nos.
Lowering Operation
Hebetec 200 Tons Lowering Strand Jack (HA-200) x 4 nos.
Hebetec Hydraulic Power Pack PA 4-30 x 2 nos.
Hebetec Hydraulic Power Pack KPA-1-2.2 x 1 nos.
License mention : Creative Commons Paternity License (reuse permitted)
0 Comments