The loading rate in the process of heap load pre-compaction shall meet the requirements:
1, heap load pre-compaction shall not use silt soil or fill material containing trash and debris, the filling process shall be according to the design requirements or take effective measures to prevent pre-compaction soil pollution of the filled roadbed.
2. The pre-compacted soil shall be piled up and pushed down at the same time, and the top surface shall be leveled.
3, pile load pre-compaction construction should be protected settlement observation facilities.
4, heap load pre-pressure filling process should be synchronized foundation settlement and lateral displacement observation. The filling rate of heap load pre-compacted soil should be in accordance with the design requirements to ensure the safety and stability of the embankment.
Basic introduction
Heap load pre-compaction is one of the methods of soft ground treatment. Heap load pre-compaction method is heap load pre-compression drainage consolidation method. This method, by loading pre-pressure at the site, makes the pore water in the soil body discharge along the drainage plate, gradually consolidates, and the foundation settles, while the strength is gradually improved. Mechanism: build embankment on the soft base, through the filling of soil pile loaded pre-pressure, so that the foundation soil compaction, settlement, consolidation, so as to improve the strength of the foundation, reduce the amount of settlement after the completion of the embankment.