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2.3混凝土的抗压强度2.3.1特征强度本法规基于以150mm直径300mm高之圆柱体置于20±2℃水中28天龄期所测得之抗压强度,符合ISO标准。特征强度定义为在所有强度测定值中可以期望有5%低于该强度者出现(2.3.2)。在
2.3 Compressive strength of concrete 2.3.1 Characteristic strength This Regulation is based on the compressive strength measured in a 28 day age period of a cylinder with a diameter of 300mm and a height of 300mm placed in water at 20 ± 2 ° C and complies with ISO standards. The characteristic intensity is defined as that it can be expected that 5% below this intensity appears in all intensity measurements (2.3.2). in