According to the characteristic of the cracks in underwater concrete structure that are full of water, a new type of high performance composite grouting was designed.

根据水下结构混凝土裂缝中富含水分的特点，设计一种高性能复合注浆修补材料。

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As underwater concrete structure, bore filling pile is characterized by great invisibility and complexity. Defect at any link will lead to serious damage to the pile foundation and final quality.

钻孔灌注桩属于水下混凝土工程，具有较大的隐蔽性和复杂性，任何一环节出现问题都会给桩基和最终质量带来严重的损害。

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