The results showed that soil surface random roughness, soil cohesion and aggregate stability had significant difference among land use types.
结果表明，大南沟流域内土壤随机糙度、抗剪力和团粒稳定性具有一定的空间变化规律，不同土地利用方式间有显著差异。
The results showed that:the direct shear tests, the largest of soil cohesion and pastes the value of resistance is evergreen and deciduous broad-leaved mixed forest, warm bamboo forest is minimum;
结果表明：采用直剪试验，土壤抗剪黏聚力值表现出常绿落叶阔叶混交林最大，暖性竹林最小；
A formula of active earth pressure on retaining wall was proposed which considers the cohesion force on sliding plane and the adhesive force on interface of soil and retaining wall.
考虑滑裂面上填土的粘聚力及填土与墙背接触面上的粘着力，推得了粘性填土挡墙上的主动土压力计算公式。
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