Source： Date：2012-08-20
Recently, MBEC won the bid of section II of national highway No. 318 Sichuang-Tibet highway (Tibet side) Tongmai to No.105 reconstruction project. The accepted contract amount is 344.5 million RMB and the construction period is 3 years.
The total length of this section is 2.8 km, including subgrade, pavement, super major bridge and culvert etc. Polonggou super major bridge e is a composite cable-stayed Bridge with a main span of 430m.. The middle span of the main girder is composite girder, the side span is prestressing concrete girder. The span arrangement is （45+50+60+430+60+50+46）m.. This bridge has been recognized as the “First Bridge” of Tibet. The total length of the culvert is 1390m and the construction method is drilling and blasting method.
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