1.Impact Hammer Driving
Hydraulic or diesel hammers are used to drive piles by repeated vertical blows. Suitable for dense soils and large-scale jobs. Good driving power and applicable to long piles, but it has high noise and vibration.
2.Vibratory Hammer Driving
Soil resistance is mitigated by high frequency vibrations. Useful for sandy or loose ground, and in urban work. Quieter and faster than impact hammers they are less efficient in hard or cohesive soil.
3.Hydraulic Press-In (Silent Piling)
It presses the piles into the ground with no vibration or noise. Favoured in highly urban environments. Very quiet and low impact although slower and more costly.
4.Water Jetting (Auxiliary Method)
Emits water to ease the plugging-up in compact sandy soil. Contributes to efficiency in conjunction with other techniques but water management is critical.
