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通过对土石混合非均质填料压实特性变化规律的研究，找出该填料对压实特性影响的主要因素。通过室内大型击实及室外试验，确定了该填料的最佳组合含量。研究成果表明，该填料经过压实后属高密度低压缩性土，具有良好的稳定性。均能满足高等级公路的路基要求，且优于一般纯土。因可就地取材，易于施工，故工程效益较为显著。
Through the research on the changing law of the compaction characteristics of the heterogeneous filler mixed with soil and stone, the main factors that affect the compaction characteristics of the filler are found out. Through the indoor large-scale compaction and outdoor experiments, determine the optimal combination of the filler content. The research results show that the packing is compacted to a high density and low compressibility soil and has good stability. Can meet the subgrade requirements of high-grade highways, and better than ordinary pure soil. Due to local availability, easy construction, so the project benefits more significant.