Bai Chay Bridge - Access bridge No.5- Highway 18- Quang Ninh province

 Location: Bai Chay bridge locates highway 18, connecting Hon Gai to Bai Chay, Quang Ninh province. This is a kind of cable-stayed bridge with single- plane. Main span is 435m. Structural reinforced concrete box girder reached a world record on this type of bridge. Two pylons are located on air caisson foundation system, this modern and advanced technology is applied first time in Vietnam. Bridge is excuted by balance cantilever process. At the main abutment with height 50m, bridge beam stick out sea and complete when attach two wings of cantilever. The technology ensures boats running during building operations.

Technical descriptrions:
+ Start point is Km115, belong to highway 18 and end point is intersection Kenh Liem- Ha Long city
+ Length of main bridge: 1,106m
+ Width: 25.3m( including 4 lanes of mechanical vehicle and 2 lanes of non-motorized vehicle
+ Quatity of spans: 5 spans. Length of main span is 435m
+ Clearance: 50m
+ Surcharge: Class A standard Japanese
+ Expenditure: about 1046 billion VND
Construction progress: 40 months
Completion: 30 th November 2006
Scope of work of Dat Phuong Joint Stock Company:
+ Excuting all towers P4, P5, P6A air caisson foundation system, pile foundation Sinso
+ Excuting site beam construction by fast centring system
+ Excuting main span by balance cantilever process, Width of bridge B=30m
( Construction achieved quantity and progress and investor's highly appreciate)
+ Investor: Project Management Unit No.18
+ Main contractor: Joint -venture Taisei and Sumitomo (Japan).



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