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水泥粉煤灰碎石桩属高粘结强度刚性桩,其受力和变形特性及加固地基机理是不同于散体粒料碎石桩和低粘结强度的水泥土搅拌桩,复合地基承载力特征值计算公式是不同的;本文提出高粘结强度的水泥粉煤灰碎石刚性桩复合地基承载力特征值计算公式可供地基处理设计和施工人员参考。
The cement-flyash-gravel pile is a high-strength, rigid-bond pile. The mechanical and deformation characteristics and the foundation mechanism of the consolidation are different from those of the loose aggregate gravel pile and the low-strength cement-soil mixing pile. The bearing capacity of the composite foundation The eigenvalue calculation formula is different. In this paper, the formula for calculating the bearing capacity of cement-flyash-gravel rigid-pile composite foundation with high bonding strength is proposed for reference of design and construction workers.