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在徐州矿务局进行煤矸石地基分层碾压试验，得出当压实系数取0．93时，振动碾压后矸石地基，可满足采动条件下二层砖混结构住宅工程建筑的要求。
The coal gangue layered roller compaction test was conducted at the Xuzhou Mining Bureau, and the results showed that when the compaction coefficient was taken as 0.93, the rock foundation after vibratory compaction was used to meet the requirements of the two-story brick-concrete structure residential construction under mining conditions. .