ChinaThe first heavy precast concrete box girder for Dalian's Changhai Bridge was successfully installed recently, marking the start of construction of the bridge's superstructure.
Broadcast 22 October 2026 · Event date Date not specified
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The first heavy precast concrete box girder for Dalian's Changhai Bridge was successfully installed recently, marking the start of construction of the bridge's superstructure.
Translated paragraph context
The first heavy-tonnage precast concrete box girder for the Dalian Changhai Bridge, China's largest mainland-to-island highway project under construction by investment, was recently successfully installed, marking the start of construction of the bridge's superstructure. The bridge has a total length of about 25.5 kilometers, including a sea-crossing section of about 19 kilometers, and is an important component of National Highway 507.Original Chinese quote
大连长海大桥，首榀大吨位混凝土预制箱梁近日成功架设，标志着大桥上部结构施工启动。