It is constructed on the basis of deep and thick overburden, the sluice foundation is in the poor uniformity including the structure, the physics and mechanical property.

• 研究区闸址深厚覆盖层结构松散,成因类型复杂,物理力学性质呈现较大的不均匀性,是一种地质条件差且复杂的砂砾石地基。