Concrete quality

Finally a car side volume adjustment according to the situation, to prevent waste.  mixing station must be filed in triplicate concrete made of materials, must be filled concrete level, the project name, station or location, quantity, unit of time and the use of concrete issue. Appearance when mixing station duty officer signed by the concrete transport vehicle drivers to use onboard, the signature by the consumer recognition. Precast concrete plant to retain a joint. concrete sends the material distributed throughout the day every day should be a single material concrete construction site summary report of supplies departments to ensure proper requisition content writing and signed complete.  in order to ensure the quality of concrete, on sand, stone, stationary concrete batching plant be strictly controlled, laboratory investigations required to be seized materials, good records and found unqualified, immediately stop feeding, and promptly identify the cause.