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Kap Shui Mun Bridge
From Wikipedia, the free encyclopedia
| Kap Shui Mun Bridge (KSMB; 汲水門大橋) |
|
| Carries | 6 lanes of roadway (upper) 2 MTR rail lines, 2 lanes of roadway (lower) |
|---|---|
| Crosses | Kap Shui Mun |
| Locale | Lantau and Ma Wan |
| Design | Double-decked cable-stayed bridge |
| Longest span | 430 meters |
| Total length | 750 meters |
| Clearance below | 47 meters |
The Kap Shui Mun Bridge (KSMB; 汲水門大橋) in Hong Kong is the longest cable-stayed bridge in the world that transports both road and railway traffic, with the upper deck for motor vehicles, and the lower deck for both vehicles and the MTR. It has a main span of 430 metres and an overall length of 750 metres and, because it spans the main marine channel, Kap Shui Mun, between Ma Wan and Lantau, its vertical headroom is more than 47 metres above sea level. Along with the Tsing Ma Bridge and Ting Kau Bridge, it is closely monitored by the Wind and Structural Health Monitoring System (WASHMS).
- Span Lengths
| Main span | 430m |
| Side spans | 80m + 80m each side |
| Lantau Approach Span | 70m |
| Ma Wan Viaduct | 503m |
| Overall length | 1,323m |
| Height of towers | 150m |
| Navigation clearance | 47m |
- Stay cables
| Number | 8 X 22 = 176 |
| Total length of stay cables | 11km |
- Movements
| Vertical, at midspan | 470mm |
| Lateral, at midspan | 155mm |
| Longitudinal, at Pier 1 | 320mm |
- Concrete strength of towers: Grade 50/20 or 50Mpa
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