The essential elements of quality control of concrete mixing station

    1, use qualified raw materials
    Raw materials of concrete mixing station is commonly: ballast, cement, admixtures, such as purchasing should require the manufacturer to provide product certification.Concrete mixing station material room sampling inspection in accordance with the regulations.All raw materials must inspection qualified rear can use, clear in time for the unqualified raw materials.
    2, in strict accordance with the matching ratios ingredients
    Concrete mixing station to mix proportion mixing materials, in strict accordance with the principle are not allowed to use the manual valve operation.Mixture ratio of the input and change, only the concrete mixing station test personnel to operate, no one else can't adjust.Concrete mixing station maintenance personnel should be strengthened for mixing equipment repair and maintenance, periodic testing measurement timing device.
    3, strict checks on concrete factory again
    For concrete mixing plant production of different specifications of the concrete, the test personnel should be in the station for every car concrete quality inspection, including concrete slump, air content, exudation rate, water cement ratio and other indicators, the indicators are qualified to the outbound, cannot meet the requirements of the performance of mixing material, handle in time.Of arrived at the scene of the concrete, the work area the operator to the same testing, the indicators are qualified to into the mold, and to the mixing station laboratory information feedback in time.