Determine the ratio of fresh concrete mix each day in order to control the amount of water use in accordance with the design. Find the moisture content of the rocks and the sand used in concrete, by sampling depth from the surface, not less than 10 cm in order to obtain a sample that is representative of the raw materials that are in fact not lose moisture, Sun and wind.Calculate the moisture content of rocks and sand.Bring up the moisture that has come for concrete mixing ratio. Save the result into the fresh concrete mix proportion invoices (F-QC-018) the mixing proportion of concrete statement live morning and afternoon.
การแปล กรุณารอสักครู่..
