Deep compaction technology is used for ground improvement. This is a new technology and becoming popular. It has been observed that site improvement is generally cheaper than either excavation and replacement, or deep pile and other foundation systems that make it feasible to develop land with poor bearing capacity, high settlement and other undesirable characteristics. Ground improvement has following main objectives as given below:
1. Reduced settlement, particularly important for ground on which heavy structures or machinery will be erected.
2. Increased bearing capacity and/or stability.
3. Reduce pemeability.
4. Improved dynamic performance, especially resistance to liquefaction in earth quake prone regions, and in the case of ground under heavy machinery, resistance to vibration settlement.
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