on February 19, after 27 hours of continuous supply of 410 m ³ C55 grade concrete, the pouring of No.0 and No.1 beam sections of No.14 pier of Nashaote Bridge of Naxing Expressway Project was successfully completed.
In order to ensure the smooth pouring, the project department of Naxing Expressway has formulated the Special Construction Scheme for No.0 and No.1 Beam Sections of Nashao Bridge. The general situation of the project, technical difficulties, technical route, concrete mix proportion design and test verification, concrete production pouring and construction points, production quality and supply guarantee are carefully analyzed and demonstrated. Strictly control the quality of raw materials such as sand, gravel and admixtures used in concrete. Technicians strictly control the key processes such as concrete mix proportion, slump and air content. All departments coordinate and cooperate, allocate raw materials and transport vehicles, rationally arrange the supply tasks of production stations and the scheduling of production test personnel, so as to ensure the implementation of responsibilities in an all-round way.
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