Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.
将土样送试验室做击实试验，确定其最优含水率和现场控制干密度。
Fitting orthogonal polynomial method for characterizing the functional relationship between the dry density and moisture content of earth-fill in standard compaction test is presented.
提出了描述标准击实试验中土料干密度和含水量之间函数关系的拟合正交多项式方法。
For guidance of construction and assurance of quality of soil compaction, a study was performed on the test method for the maximum dry density.
为指导施工和控制填土质量，研究了最大干密度试验方法。
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