混 凝 土 强 度 评 定 工程名称序号1234567101112131415161718192021222324252627282930313233fcu.i（Mpa)42.738.139.041.539.939.041.2.842.237.340.0.144.039.841.041.1.339.2.043.046.445.037.1.843.042.339.535.2.0.339.736.435.6东原财富广场工程序号3435363738394041424344474849505152535556575859606162636566fcu.i（Mpa)40.036.039.943.139.339.740.937.536.539.937.942.236.341.336.838.342.944.838.1.336.943.744.039.939.1.944.741.042.737.141.4.139.6序号676869707172737475767778798081828384858687809192939495969799项目专业质量检查员：强度等级fcu.i（Mpa)41.238.343.939.340.837.941.940.042.742.838.0.841.242.440.539.944.739.4.7施工单位评定结果：计算按统计方法试块组数n85nC35统计方法（n≥10）mfcu-λ1·Sfcu≥fcu,kfcu,min≥λ2·fcu,k当Sfcu<2.5N/mm2时，取Sfcu=2.5N/mm2
平均值mfcu(Mpa)40.6标准差SfCU(Mpa)2.50mfcu=åfi=1cu,in=40.6计算结果：mfcu-λ1·Sfcu≥fcu,k fcu,mi定 TJ2.4.2养护方法）
非统计方法（n<10)标准养护nλ mfcu≥λ3·fcu,kfcu,min≥λ4·fcu,kλCλλ342110～1415～19≥201.151.050.95非统计40.5506172840.25大等于C601·Sfcu≥fcu,kn≥λ2·fcu,k
m2时，取Sfcu=2.5N/mm238.50.90
