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混凝土试块抗压强度统计及验收记录工程名称强度等级C25养护方法标养序号试块代表部位试块报告编号龄期(d)试块组强度代表值fcu.i(N/mm2)统计方法(n≥10)非统计方法(n<10)n10~1415~1943.6mfcu-λ1·Sfcu≥fcu,k fcu,min≥λ2·fcu,k 当Sfcu<2.5N/mm2时,取Sfcu=2.5N/mm2mfcu≥λ3·fcu,k fcu,min≥λ4·fcu,kλ11.151.0540.4λ20.900.8544.8试块组数n平均值mfcu(Mpa)标准差SfCU(Mpa)强度标准值fcu,k(Mpa)最小值fcu,min(Mpa)C<C60≥C6043.7λ31.151.1047.215436.83.842526.9λ40.9539.436.83.84合格评定系数41.7λ1λ2λ341.30.950.8536.8计算结果:34.7按统计方法34.335.2mfcu-λ1·Sfcu≥fcu,kfcu,min≥λ2·fcu,k,评定合格39.935.739.738.937.140.538.942.041.337.940.541.142.641.544.335.639.237.540.030.832.733.141.040.238.037.141.338.935.436.132.639.137.132.138.534.734.737.138.136.139.838.228.839.737.337.940.538.236.937.539.141.338.937.341.141.340.529.832.732.834.533.833.736.031.733.435.141.842.741.545.542.842.532.332.430.126.929.832.933.033.534.035.333.635.234.837.433.434.235.137.433.435.139.635.636.035.136.236.739.137.535.235.438.235.539.637.335.733.734.832.230.530.429.929.330.240.241.939.238.535.432.735.936.438.333.834.634.833.931.631.232.533.832.837.637.935.842.5计算审核42.9施工单位评定结果:监理(建设)单位验收结论:39.735.6项目专业质量检查员:监理工程师:39.9年月日(建设单位项目专业技术负责人)年月日