论文部分内容阅读
К.Э.塔里在他的文章中发表了不少正确的见解,现再就其中某些问题提出一些说明和补充,另外也提一些不同的看法,这也是有益的。用分级来代替混凝土的标号,看来再过几年会实现的。国际标准化组织ISO制订了混凝土的级别划分,以分数来标志,分子为用圆柱体试件试验所得的标定强度(特征强度)值,以МПa为单位(МПa为百万牛顿/米~2,或近似为10.2公斤/米厘~2——编者注)而分母则为用边长150毫米的立方体试验求得的标定强度(特征强度)值。
К.Э. Tali published many correct opinions in his article. Now he gives some explanations and supplements on some of them, and also gives some different opinions. It is also helpful. Using grades to replace concrete labels, it appears that it will be achieved in a few years. The International Organization for Standardization (ISO) has established the grade division of concrete, marked by scores, and the molecule is the calibrated strength (characteristic strength) value obtained by testing with a cylindrical test piece in terms of МПa (M Пa is one million newtons/m 2 , or The approximate denominator is 10.2 kg/milliliter~2 (the editor’s note) and the denominator is the calibrated intensity (characteristic strength) value obtained from a cube test with a side length of 150 mm.