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混凝土制备与运输是混凝土结构工程施工的重要组成部分,《混凝土结构工程施工规范》GB50666—2011第7章规定了混凝土拌合物制备与运输过程中的基本要求,主要内容有:一般规定、原材料、混凝土配合比、混凝土搅拌、混凝土运输、质量检查及相关附录。介绍了规范中混凝土制备与运输章节中原材料选择与进场检验、拌合物制备基本工艺和罐车运输中添加减水剂的注意事项等。
Concrete preparation and transportation is an important part of the construction of concrete structures. The seventh chapter of GB50666-2011 of “Concrete Structure Engineering Construction Specifications” stipulates the basic requirements in the preparation and transportation of concrete mixtures. The main contents are as follows: general provisions, raw materials , Concrete mix, concrete mixing, concrete transport, quality inspection and related appendix. This article introduces the precautions of raw material selection and approach inspection in the chapter of preparation and transportation of concrete, the basic process of preparation of mixture and the addition of water reducer in tanker transportation.