SERVICES > SHAFT CONSTRUCTION
SCG has expertise in the sinking of vertical shafts. Techniques include drilling and mucking, blast hole, drop rising, raise borers, piling, freezing and secant piling.
Shaft Sinking – The maximum speed of sinking is 3.5m per day.
High Pressure Jet Grouting Piles (JGP)
High pressure jet grouting is an erosion-based grouting technique using a high-pressure jet of grout to break up the soil structure and simultaneously mix the loosened soil with a cement grout to form column-shaped grouted soil bodies. The distinct advantage of jet grouting is to significantly increase the strength of the surrounding soil and/or reduce its permeability and therefore risk of water infiltration. The typical steps of to JGP construction include the following: Installation of JGPs as a soil improvement construction method has been adopted for ground with presence of quicksand and high water table in many projects worldwide. SCG has a tracking record of successful installation of JGPs for many projects in the past. The installation of JGPs is to achieve the following: