
Ground freezing
Ground freezing is a construction process where water in the soil is intentionally cooled to below freezing, turning it into ice. This creates a solid, stable barrier around a work area, preventing water from flowing in and soils from collapsing. It’s often used in tunneling or excavations near water-sensitive sites or deep underground structures. By freezing the ground, engineers can work safely and accurately, minimizing water intrusion and soil movement. Once the work is complete, the ice is allowed to thaw naturally or is removed, restoring the soil to its normal state.