(left)Dual-track assembly, (right)Yiahm tunnel
(left)Dongho River Arch Bridge, (right)Concrete track skeleton assembly
(1)Existing high-speed railway operation next to the construction site, (2)PSM construction method for Machingtun Grand Bridge, (3)Pile foundation deposition in the bridge site
Arch bridge site inspection on Tian-Qin line (Tianjin-Qinhuangdao passenger line)
(left)High-speed railway crossing Grand Bridge, (right)Panjin Grand Bridge
(left)PSM Bridge, (right)Concrete track construction on the bridge
(left)A panorama of completed construction of the Lan-Xing high-speed railway (Lanzhou-Xingang Urumuqi), (right)The start area of the Xingang section on the Lan-Xing line
(1)Route map, (2)Bridge slab concrete depositing, (3)Bridge construction in railroad cross-section
Leeukhan, general construction supervisor for construction supervision on Gwiju section on the Chang-Kun line (Changsha-Kunming passenger line) in China
Tunnel site inspection
(1)Site inspection by Gangseokmok tunnel construction supervisor on Daepyeongji tunnel in Yunnam section of the China Chang-Kun line, (2)(3)KEY-SEG construction for Hwangtopa Grand Bridge PSM bridge slab construction on Jachung Grand Bridge
(1)Route map, (2)Jeongbyeon Grand Bridge FCM bridge, (3)Jeongbyeon Grand Bridge PSM bridge
(1)Route map, (2)Pile steel form Installation, (3)Bridge slab manufacturing