A sudden rainstorm, you should immediately notify the laboratory to have a test on moisture content of sand and gravel, adjust the using water quantity of mixed ratio, so as to ensure the quality of concrete. At the same time, the principal of production department is responsible to call the consumer site, asking whether the concrete cover has been finished, and the coverage recommendations immediately. If they can't be covered or rain erosion is serious, we advised that they needed to be mixed again after rain stopped. If the rainfall is more than 50mm / h, the desired site immediately shut down until the rain become small.

The big wind. When the wind is larger, the principal of production department should be responsible to call the building site, and asked the concrete finished should be immediately covered with plastic film, in order to prevent the crack of concrete surface due to excessive water loss.

A sudden heavy snow, the production department should send the specially-assigned person to clear the heap snows, reducing the effect of water used amount for concrete. In this case, the quality of concrete can be guaranteed. At the same time, the principal of production department is responsible to call the building site, requiring the concrete having been mixed must be covered with plastic film and straw mat.Come to Zhengzhou haomei Machinery equipment Co., Ltd for mobile concrete batching plants, HZS concrete batching plants and various kinds of concrete mixers.