砂砾土是按水利电力部1962年规程,砾粒含量最多,在33%~50%之间,且砂粒含量多于粉粘粒的砾类土。
适用于砂性土层和砂砾土层的深基坑边坡支护。
分析天然砂砾土在公路路面基层施工中的成功应用,闹述一种合理利用当地自然资源的途径。
Analyze the natural grit's successful application in the construction of the expressway pavement and expound a way that make use of locally natural resources.
占地面积47公顷,60%种植面积为砂砾土壤,40%的泥灰岩土壤(在小镇的另一边,面对着酒庄的一大片土地)。
Sixty per cent of the 47 hectares of the vineyard lie on gravely soil in the area and 40% are on the chalky-clay soil at Listrac opposite the Chateau.
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