谈混凝土强度检定试验误差的控制

Briefing on Error Controlling of Strength Check Test of Concrete

利用组内极差控制图，能够准确反映和提供可靠的质量信息，及时采取相应对策，有效地降低试验误差，保证试件强度代表值的准确性，从而提高砼质量评定的可靠性。

Reliable quality information might be expressed and provided with groupdifference control drawing. Moreover appropriate measures will be taken to reducetest error and ensure accuracy of the value which represents the strength of the testsamples, furthermore, the high basicity quahty is judged.