The paper introduces the influence of mud proportion on the excavated hole, the hole cleamng of the cast-in-place and concreting.
介绍了泥浆比重对钻孔灌注桩成孔、清孔及混凝土灌注的影响，并提出相应的技术措施。
From the aspect of raw materials, proportioning of concrete, concreting, acceptance of concrete engineering quality, the paper discusses quality control of concrete engineering.
从原材料、混凝土配合比、混凝土浇筑、混凝土工程质量验收等方面论述混凝土工程的质量控制。
The paper introduces quality control technologies for concreting work, curing of beams, stretching and pressure grouting in the course of bridge precasting in the frigid plateau region.
介绍了高原高寒地区预制桥梁施工过程中混凝土施工、梁体养护、张拉压浆等的质量控制技术。
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