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What are the requirements for backfilling large areas and large depths of earth and stone?
I remember that the main requirement is that the backfill must be compacted to a certain height.
This very simple book has it all
This situation can be divided into many types. Generally, construction machinery is selected for layered backfilling based on the degree of compaction required by the design. The maximum thickness does not exceed 0.5 meters, usually around 0.25 to 0.3 meters. There are detailed requirements in the construction specifications.