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砂石地基基础不仅能减少地基变形、显著提高地基承载力,还可加速下部软弱土层的排水固结,减少上部荷载作用下的地基沉降,提高地基土质强度,避免地基土发生塑性破坏,同时还具有就地取材、工艺简单、便于施工、造价低廉的优势。因此被广泛应用于基础下部持力层软弱、地基承载力及变形不能满足上部结构要求的各类建筑的地基处理中。根据工程地质条件、建筑结构类型、基础形式及埋置深度对地基承载力的要求不同,结合当地资源、施工条件,因地制
The foundation of sand and gravel can not only reduce the foundation deformation but also increase the bearing capacity of the foundation significantly. It can also speed up drainage and consolidation of the lower weak soil layer, reduce the foundation settlement under the action of the upper load, improve the soil strength of the foundation and avoid the plastic destruction of the foundation soil Also has the advantages of local materials, simple process, easy construction, low cost. Therefore, it is widely used in the foundation treatment of all kinds of buildings with weak foundation underburden, bearing capacity of foundation and deformation that can not meet the requirements of superstructure. According to the engineering geological conditions, the requirements of the bearing capacity of the foundation are different according to the type of the building structure, the foundation form and the embedment depth. Combining the local resources and construction conditions,