【摘要】 以密实的砂石或碎石垫层代替软弱土层 ,可以提高地基的承载力 ,减少建筑物的沉降量。本文对砂石垫层的厚度、宽度和扩大范围进行分析 ,并给出了确定方法。介绍了铺设碎石层的具体做法 ,对影响垫层质量的因素进行了总结更多还原

【Abstract】 It can increase foundation bearing capacity & reduce building subsidence to replace soft soil padding by using dense sand or rubble cushion. The sand or rubble cushion thick, width & expansion limit were analysed and a determination method was given in the paper. The concrete method of paving sand or rubble cushion was introduced and the influence factors to cushion quality was summarized.更多还原