Figure 1. The incremental launching construction’s panorama of prestressed concrete box-girder with corrugated steel webs

From

Application of ZLD Automaticly Continuous Launching System in the Construction of Prestressed Concrete Composite Box-girder Bridge with Corrugated Steel Webs

Dou Yong-zhi, Sun Chang-jun, Wei Fu-tang

American Journal of Civil Engineering and Architecture. 2016, 4(1), 6-16 doi:10.12691/ajcea-4-1-2