China

China’s Largest Robbins Crossover TBM Launches on Pearl River Delta Intercity Railway

The largest ever Robbins Crossover (XRE) TBM in China launched in late March 2021 in Guangzhou for contractors Sichuan Jinshi Heavy Equipment Leasing Co., Ltd and CREC Bureau 2. The 9.16 m diameter hybrid machine is boring the 2.5 km long Pazhou Line Lot PZH-1 of the Pearl River Delta Intercity Railway Project, which will offer better commutes for Guangzhou residents traveling to and from University City.

Rapidly Changing Ground Conditions

The machine will encounter various ground types during its bore, from moderately to strongly weathered argillaceous shales and sandstone to mixed face...

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