Monday, 26 December 2011

Stonecutters Bridge–Hong Kong - 2009

On 17 December 2009, the Hong Kong Post issued the stamp set features the one of the longest span bridge, Stonecutters Bridge.  This issue stamp consist of 4 postage stamps to commemorate the opened of the bridge for public used.
Stonecutters Bridge is a high level cable-stayed bridge which spans the Rambler Channel in Hong Kong, connecting Nam Wan Kok, Tsing Yi Island and Stonecutters Island.
The bridge is part of Hong Kong's Route 8, connecting Sha Tin, Cheung Sha Wan, Tsing Yi Island, Ma Wan and Lantau Island. Other major constructions along the route are Nam Wan Tunnel (completed in 2008), Eagle's Nest Tunnel (completed in 2008), Sha Tin Heights Tunnel (completed in 2008), Tsing Ma Bridge (completed in 1997) and Kap Shui Mun Bridge (completed in 1997).



Construction commenced on 27 April 2004 by Maeda–Hitachi–Yokogawa–Hsin Chong Joint Venture. It cost HK$2.76 billion. It was reported to be over budget.The bridge deck was completed on 7 April 2009, making this the second longest cable-stayed span in the world, and opened to traffic on 20 December 2009.


The bridge spans 1.6 km, with 3 lanes in each direction. It is a cable-stayed bridge with two bridge towers, one on Tsing Yi Island​ and the other on Stonecutters Island.
With a main span of 1,018 m, Stonecutters Bridge has the second-longest cable-stayed span in the world, after the Sutong Yangtze River Bridge, China  (1,088 metres ).
The approaches at Tsing Yi and Stonecutters Island are located near Container Terminal 9 and Container Terminal 8, respectively.


The concept is for a cable-stayed bridge with a twin aerodynamic deck suspended from two 295m-high single pole towers. These towers will have bases measuring 24m x 18m tapering to 7m diameter at the top, and the deck will allow a navigation clearance of 73.5m over the full entrance to the Container Port.
The two towers composed in concrete until level +175m and in composite construction consisting of an inner concrete ring with a stainless steel skin for the top 120m.
The Hong Kong region is susceptible to very strong typhoon winds, a fact that is being taken into account in the design of the bridge.

As a result of the interesting challenges and extreme difficulty in constructing this bridge, the project was featured on two of the Discovery Channel's Extreme Engineering series on November 1, 2006 and April 27, 2009.
The Stonecutters Bridge won the 2010 Supreme Award at the annual Structural Awards presented by the Institution of Structural Engineers, United Kingdom.
(Resources: Wikipedia and Highway Department -The Government of Hong Kong)

No comments: