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在我们所收到的稿件中,经常有这样的情况:作者做混凝土对比试验,将某种混凝土与基准混凝土相对比,测量其强度或坍落度,以找出性能较好的一种混凝土。若两个实验结果都在误差范围内,那么是否能说明其中一种混凝土性能更优?试验结果是否足以准确地能够反映性能的差异?因此本期特别策划组织讨论关于“混凝土强度、坍落度试验数据准确度有多高,所得结果有多大的误差,若两结果的差都在实验误差范围内,那么这样的性能比较是否还有意义?”这个话题的讨论。
Of the manuscripts we receive, it is often the case that the author makes a concrete comparison test, comparing a concrete to a reference concrete, measuring its strength or slump, to find a concrete with better performance. If the two experimental results are within the error range, then whether one of the concrete performance better? Test results are sufficient to accurately reflect the performance difference? Therefore, this special planning organization to discuss on the “concrete strength, slump Degree of accuracy of the test data how high, the results obtained how much error, if the difference between the two results are within the scope of experimental error, then such a performance comparison is still meaningful? ”Discussion of this topic.