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乐清湾1号桥为浙江省重点工程,是国内首座主跨150m采用变截面节段梁预制拼装的桥梁工程。该桥全长4.3km,由东侧非通航孔、通航孔、西侧非通航孔组成,上部结构全部采用短线匹配法节段梁施工,共计节段梁2 524榀。非通航孔(引桥)为60m等截面节段梁,架桥机安装;通航孔(主桥)长470m,其下部采
Yueqing Bay No.1 Bridge is a key project of Zhejiang Province and is the first bridge project in China to be prefabricated with variable section segmental beams at 150m main span. The bridge is 4.3km in length and consists of non-navigable holes on the east side, navigable holes and non-navigable holes on the west side. All the superstructures are constructed with short-line matching section beams, totally 2 524榀 in total. The non-navigable hole (lead bridge) is 60 m of section cross-section beam, erecting machine installed; navigation hole (main bridge) length 470m, the lower part of mining