混凝土強(qiáng)度數(shù)理統(tǒng)計(jì)

混凝土強(qiáng)度數(shù)理統(tǒng)計(jì)工程概況：平陽縣****************工程**#樓于二0一一年八月四日正式開工，樁基礎(chǔ)采用機(jī)械鉆孔樁灌注樁（沖擊成孔工藝），至二0—一年十一月十五日全面完成工程樁69根，設(shè)計(jì)砼強(qiáng)度C30,共69組試塊，現(xiàn)就已完工的69根樁的69組樁身混凝土試件值進(jìn)行數(shù)理統(tǒng)計(jì)如下：混凝土評(píng)定標(biāo)準(zhǔn)：GB/T50107-2010混凝土強(qiáng)度檢驗(yàn)評(píng)定標(biāo)準(zhǔn)，混凝土強(qiáng)度應(yīng)符合下列要求：mg-入1Sfcu20.95fcuk fcu,min2入2fcuk式中：mfcu--同一驗(yàn)收批混凝土強(qiáng)度的平均值（Mpa）fcuk-―設(shè)計(jì)的混凝土強(qiáng)度標(biāo)準(zhǔn)值（Mpa）Sfcu—驗(yàn)收批混凝土強(qiáng)度的標(biāo)準(zhǔn)差（Mpa）fcu,min同一驗(yàn)收批混凝土強(qiáng)度的最小值（Mpa）入］,入2一合格判定系數(shù)，見下表合格判定系數(shù)試件組數(shù)10—1415-19$20入11.151.050.95入20.90.85驗(yàn)收批混凝土強(qiáng)度的標(biāo)準(zhǔn)差sf應(yīng)按下式計(jì)算:fcufcu=fcu=式中：f2----表示69組試塊的強(qiáng)度值平方總和。(89892.19)n 表示驗(yàn)收批內(nèi)混凝土試件的組數(shù)。(69)M2表示驗(yàn)收批內(nèi)混凝土平均值的平方總和。(89622.83)混凝土評(píng)定 :本批混凝土試件的式中各數(shù)據(jù)如下：C的試塊69組:30f=30m=36.04fmin=30.9cuk fcu按上式計(jì)算結(jié)果得：sf=1.99fcu并符合下列要求:1.m1.mfcu2fcu.K+入1Sfcu36.04230+0.95*1.9936.04231.92.fcu,min2入2fcuk30.920.85*3030.9225.5以上條件均滿足。所以該批混凝土評(píng)定為合格。二0一二年三月二十九日

樁基礎(chǔ)試塊匯總（標(biāo)準(zhǔn)養(yǎng)護(hù)）工程名稱：環(huán)****細(xì)細(xì)**工程〔樓〕序號(hào)施工日期樁號(hào)孔深實(shí)灌量腔強(qiáng)度坍蓿度實(shí)測(cè)強(qiáng)度12011.8.5B1154.329Cao18-22CK35.722011.8.6B2243.620Cso18-22CM37.132011.8.9B14S24C301S-22CM34.142011.8.9B1252.628C501S-22CK33.852011.8.9B214430C301S-22CM36.202011.8.12A2444.922C3018-22CK32.472011.8.12B950.924C3018-22CM38.382011.8.15A2544.324C3018-22CJI3432011.S.15B1050.224C301S-22CM32.6102011.S.17A2S47.7161S-22CM37.3112011.S.1SA85024C301S-22CK35.4122011.S.20B247.224C301S-22CM38.5132011.8.20A751.231C3018-22CJI36.4142011.8.20A2646.824C3018-22CK36.9152011.S.22A650.724C301S-22CM32.8162011.S.22A2948.321C501S-22CK33.4172011.S.25A452.424C301S-22CK36.41S2011.S.25B234S.229C3018-22CJI37.4192011.8.27A552.324C3018-22CK39.7202011.8.27B44.8.331C3018-22CK37

212011.8.27A2748.524Cao18-22CK38.6222011.8.29B2648.424Cso18-22CM37.1232011.9.1D854.424C301S-22CM36.6242011.9.3B349.131C501S-22CK36.2252011.9.8B244627C301S-22CM35.2262011.9.8B15532818-22CK35.2272011.9.9B2547.929C3018-22CM32.1282011.9.11Al51.826C3018-22CJI41.2292011.9.11BIS5326C301S-22CM40.4302011.9.11B2748251S-22CM38312011.9.15B2949.135C301S-22CK37.7322011.9.ISAIS5329C3018-22CK37332011.9.ITB2849.528C3018-22CJI36.6342011.9.19A3751.727C3018-22CK35.4352011.9.20B1751.830C301S-2M35.3362011.9.20BY53.631C501S-22CK3S.4372011.9.21A3452.729C301S-22CK37.43S2011.9.22BIS50.930C3018-22CJI36.6392011.9.23B3153.633C3018-22CK36.5402011.9.24.B654.233C3018-22CK37.1412011.9.25B1951.930C301S-22CK37422011.9.20B3054.333C501S-22CK35.S432011.9.27B2052.S34C301S-22CM34.1

442011.9.28B553.432C3018-22CM33.2452011.9.29A3552.525C3018-22CJI35.7462011.9.30A2253.725C301S-22CK36.6472011.10.4A351.4261S-22CM36.2482011.10.5A2353.92618-22CK36.7492011.10.5A3S51.325C301S-22CM35.7502011.10.TA251.424C3018-22CJI37.3512011.10.751.425C301S-22CM35.S522011.10.9A3651.719C301S-22CM36.4532011.10.10A1552.724C301S-22CK37.6542011.10.11A3252.22418-22CK35.1552011.10.13A3352.824C3018-22CJI32.8562011.10.14A165223C3018-22CK34.8572011.10.15A3052.223C301S-22CM34.8502011.10.10AIT52.421C501S-22CK30.9592011.10.20A2052.52518-22CK35.3602011.10.22A2152.323C3018-22CJI36.S612011.10.2EA1953.12BC3018-22CK39.9622011.10.27A1452.225C301S-22CM34.6632011.10.2921251.220C501S-22CK36.3642011.11.1A135223C301S-22CK35.5652011.11.4B14