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| DESIGN AND CONSTRUCTION OF STEEL HUNG BOX
COFFERDAM FOR PLATFORM IN SOUTH INTERTIDE ZONE
AT HANGZHOU BAY OVER SEA BRIDGE |
| ZHANG Ting-hua |
| The Fourth Engineering Bureau Group Co. Ltd. of Chinese Railway |
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Abstract This paper gives an introduction to the features of landform in south intertide zone and design of
platform structure under special engineering environmental conditions of strong wind and current, serious scouring
and large difference between tides in sea area at Hangzhou Bay，demonstrates the economic efficiency, rationality,
applicability and safety in construction of steel hung box on the basis of analysis of construction schemes for
single walled steel cofferdam, steel pile cofferdam and steel hung box cofferdam, and presents the design and
construction techniques for building steel hung box cofferdam in water for platform through support by steel
protection rod of bored pile on bottom of assembly concrete hung box and utilizing the gap between tide up and
down.
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Received: 27 May 2005
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2005, Vol. 22 
