When carrying out winter concrete construction, how to correctly and quickly design construction mix proportion of winter concrete with local cement in short period is mainly clarified.
主要对冬期施工时使用地方水泥，试验室如何在短期内准确快捷地进行混凝土配合比的设计作了阐述。
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.
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.
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。
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