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GB 8239-1997标准[1]中没有给出半块等辅助砌块抗压强度值的试验和标识方法。本文通过对三种常见单排孔混凝土空心砌块的主块型砌块和半块砌块,分别进行抗压强度试验,找出它们强度检测值之间的关系,即以满足半块和主块砌块所用混凝土的物理力学性能基本一致为前题,半块砌块试验获得抗压强度的数值,乘以校正系数后标识其强度值更为合理;半块强度的校正系数与砌块的厚度有关。试验研究为GB 8239标准修订“送审稿”提供了验证试验数据。
GB 8239-1997 standard [1] does not give the block and other auxiliary block compressive strength value of the test and identification methods. In this paper, three kinds of common single-hole concrete hollow block of the main block-type block and half block, respectively, the compressive strength test to find the relationship between the strength of their detection values, that is to meet the half block and the Lord The physical and mechanical properties of block concrete are basically the same as the previous one, and the value of compressive strength obtained by half-block test is more reasonable. Multiplying the correction coefficient and identifying the intensity value is more reasonable. The correction coefficient of half- Thickness related. The experimental study provides the verification test data for the revision of GB 8239 standard, “draft for approval”.