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1、混凝土試塊強度統(tǒng)計、評定記錄施工單位:貴州省第八建筑工程公司工程名稱山水黔城高層一區(qū)4#樓部位基礎(chǔ)孔樁抗滑樁部分強度等級C30養(yǎng)護方法標養(yǎng)試塊組數(shù)設(shè)計強度平均值標準差合格判定系數(shù)最小值評定數(shù)據(jù)n=42?cu,k=30m?cu=34.71S?cu=1.14λ1=1.6λ2=0.85?cu,min=31.40.9?cu,k=27(MPa)0.95?cu,k=28.51.15?cu,k=m?cu-λ1。S?cu=32.886λ2。?cu,k=25.5每組強度值:(MPa)32.734.635.135.733.
2、035.434.636.035.634.333.133.934.634.533.133.735.536.331.436.035.836.232.236.535.334.736.133.934.634.935.534.135.935.832.634.035.735.634.734.835.634.1評定依據(jù):《混凝土強度檢驗評定》GBJ107-87結(jié)論合格1)統(tǒng)計組數(shù)n=42組,非統(tǒng)計方法:m?cu-λ1.S?cu,k≥0.9?cu,k:?cu,min≥λ2?cu,k34.71-1.6x1.14≥0.9x
3、30;31.4≥0.85x3032.886>2731.4>25.5施工項目技術(shù)負責人:制表:計算:制表日期:年月日監(jiān)理單位審核人:混凝土試塊強度統(tǒng)計、評定記錄施工單位:貴州省第八建筑工程公司工程名稱山水黔城高層一區(qū)4#樓部位基礎(chǔ)孔樁地庫及結(jié)構(gòu)部分強度等級C25養(yǎng)護方法標養(yǎng)試塊組數(shù)設(shè)計強度平均值標準差合格判定系數(shù)最小值評定數(shù)據(jù)n=37?cu,k=25m?cu=29S?cu=2.1λ1=1.6λ2=0.85?cu,min=26.40.9?cu,k=22.5(MPa)0.95?cu,k=1.15?cu,k=m
4、?cu-λ1。S?cu=25.64λ2。?cu,k=21.25每組強度值:(MPa)29.329.726.526.726.628.027.526.428.729.429.530.030.429.129.529.830.529.129.930.631.430.730.730.129.628.729.128.929.429.729.329.831.129.929.229.529.4評定依據(jù):《混凝土強度檢驗評定》GBJ107-87結(jié)論合格1)統(tǒng)計組數(shù)n=37,采用非統(tǒng)計方法:m?cu-λ1.S?cu,k≥0
5、.9?cu,k:?cu,min≥λ2?cu,k29-1.6x2.1≥0.9x2526.4≥0.85x2525.64>22.526.4>21.25施工項目技術(shù)負責人:制表:計算:制表日期:年月日監(jiān)理單位審核人:混凝土試塊強度統(tǒng)計、評定記錄施工單位:貴州省第八建筑工程公司工程名稱山水黔城高層一區(qū)4#樓部位基礎(chǔ)孔樁地庫及結(jié)構(gòu)部分強度等級C25養(yǎng)護方法標養(yǎng)試塊組數(shù)設(shè)計強度平均值標準差合格判定系數(shù)最小值評定數(shù)據(jù)n=71?cu,k=25m?cu=28.57S?cu=0.98λ1=1.6λ2=0.85?cu,min=
6、26.10.9?cu,k=22.5(MPa)0.95?cu,k=1.15?cu,k=m?cu-λ1。S?cu=27.0λ2。?cu,k=21.25每組強度值:(MPa)29.029.528.826.128.827.527.128.127.529.127.329.227.728.727.928.927.428.229.528.729.127.230.529.929.928.929.227.326.727.628.729.228.427.528.828.028.827.226.827.227.127.230
7、.329.929.529.227.228.028.427.630.128.828.827.127.429.228.829.828.729.729.129.427.929.329.529.530.129.429.030.429.9評定依據(jù):《混凝土強度檢驗評定》GBJ107-87結(jié)論合格1)統(tǒng)計組數(shù)n=71,采用非統(tǒng)計方法:m?cu-λ1.S?cu,k≥0.9?cu,k:?cu,min≥λ2?cu,k28.57-1.6x0.98≥0.9x2526.1≥0.85x2527.00>22.526.1>21.25
8、施工項目技術(shù)負責人:制表:計算:制表日期:年月日監(jiān)理單位審核人: