A scaling definition based on two times scale was provided for soil fragmentation analysis. An experiment was conducted to uncover the relationships among soil fragments fractal dimension and the falling weight, falling height, soil moisture content, and specific fragmentation energy. The result shows that no relation exists among fractal dimension, falling weight and falling height, but obvious correlation appears among soil fractal dimension, moisture content and specific fragmentation energies. A further comparison of fractal dimensions shows that soil under impacting action has a much lower value than that under natural actions.
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孟鳳英,丁啟朔,鹿飛,丁為民,潘根興.沖擊作用下粘性土壤破碎體的分形維數(shù)與影響因[J].農業(yè)機械學報,2009,40(3):108-111. Fractal Dimensions of Cohesive Soil under Impact and Its Influencing Factors[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(3):108-111.