厚度与尺度效应对黄河三角洲滨海盐碱土裂缝特征的影响

Effects of Soil Thickness and Petri Dish Diameter on the Crack Characteristics of Coastal Saline-Alkali Soil in the Yellow River Delta

通过测定不同土壤厚度和不同培养皿直径下土壤裂缝宽度和裂缝密度(单位面积内裂缝的总长度),对黄河三角洲滨海盐碱土裂缝特征进行研究。结果表明:随着土壤厚度增加,土壤裂缝密度显著减小,裂缝宽度显著增大;相同土壤厚度下,不同的培养皿直径也会造成土壤裂缝密度和宽度的显著差异。本研究可为黄河三角洲滨海盐碱土的改良与利用提供参考依据。

The characteristics of the Yellow River Delta were studied by measuring soil crack width and crack density(total length of the cracks per unit area)with different soil thickness and petri dish diameter.The results showed that as the soil thickness increases,the soil crack density decreases significantly and the crack width increases significantly.At the same soil thickness,different dish diameters also cause significant differences in crack density and width of soil.This study provides a reference for the improvement and utilization of coastal saline soil in the Yellow River Delta.