Ground freezing is environmental friendly technique offers environmental benefits below:
- No permanent modification of the natural hydrology,
- No chemicals injected into the ground.
Bachy Soletanche pioneered ground freezing in Hong Kong in 2002 when it applied the technique to provide temporary support for the construction of cross passages on the KCRC “Lok Ma Chau Spur Line”.
Bachy Soletanche has the ability to design and carry out ground freezing in various ground conditions and environments (from surface, from a tunnel…) using either brine or nitrogen technology.