贵州红粘土地基处理和施工

本文论述在建筑施工中,应注意红粘土的胀缩性和裂隙性对地基承载能力和基础稳定性的影响,建议尽量利用土层较硬质的土作基础持力层。经验证明,在不均匀地基和石芽密布的区域施工,可采用加强基础和加设砂夹石垫层的方法;在地下水位较高的地区施工,可采用爆扩桩方法。

THE TREATMENT AND CONSTRUCTION FOR THE RED CLAY GROUND-BASE

In construction,attention must be paid to the effect of expansion shrinkage and cracking of the red clay on the bearing capacity of ground-base and on the stability of the foundation. The harder upper layer clay should be made full use as the bearing layer for foundations. The expriences show that the streng-thened foundation design and gravelsand mixture cushions may be applied in the construction in the nonuniform ground-base and rock-bud area and the mast-blast pile method may be used at the construction site where the level of ground water is high.