Underground Work

Underground work is indispensable but complicated in almost all kinds of infrastructure construction. Through tens of years of learning and practice, SINOHYDRO has fostered a strong professional team specialized in the area so as to ensure the best quality of the project from the fundamental.

Underground Structures

Sinohydro Corporation has a group of technical experts and professionals adept in construction of underground hydrostructures, plenty of plant and equipment specially for construction of underground grottoes with cross section more than 1600m2 and large size hydraulic tunnels more than 10km long. Researching and manufacturing by Sinohydro special purpose test devices, skillfully using new-Austria method and developing various sorts of formwork honored Sinohydro up to the international advanced stage in construction of underground hydrostructures.


Longtan Hydropower Station
Longtan Hydropower Station