论述大直径灌注桩水下浇注混凝土时的材料选择、设计参数选择、施工配制强度及配合比设计。
This paper deals with materials, design parameters. construction batch strength and design of mix proportion for underwater concrete cast in a major diameter cast in place pile.
钻孔灌注桩水下混凝土配制的关键是要求流动性要好。
The key point in making underwater concrete of drill hole grouting pile is that it requires high fluidity.
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。
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.
目前国内灌注桩水下混凝土灌注质量完整性检测采用超声法检测准确无误。
Currently, employing the ultra-sound inspection method to check the quality of the under-water concrete stake is perfectly correct.
结合钻孔灌注桩的施工实践，重点介绍保证水下混凝土施工质量的一些经验和体会。
Combining the construction practice of drilling piles, it mainly introduces some experience and understandings to quality assurance of underwater concrete construction.
结合钻孔灌注桩的施工实践，重点介绍保证水下混凝土施工质量的一些经验和体会。
Combining the construction practice of drilling piles, it mainly introduces some experience and understandings to quality assurance of underwater concrete construction.
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