回彈法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程

1、回彈法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程TechnicalSpecificationforInspectionofPUmpedConcretepressiveStrengthbyReboundMethodDB33/T1049-2016Jxxxxx-xxxx回彈法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程TechnicalSpecificationforInspectionofPumpedConcretepressiveStrengthbyReboundMethodDB33/T1049-2016主編單位：省建筑科學(xué)設(shè)計(jì)研究院市博遠(yuǎn)科技開發(fā)隆欣建材批準(zhǔn)部門：省住房與城鄉(xiāng)建立廳根據(jù)省住房和城鄉(xiāng)住建廳建立發(fā)20141

2、03號(hào)？201許度省建筑節(jié)能及相關(guān)工程建立地方標(biāo)準(zhǔn)制修訂方案砒知的要求，編制組結(jié)合省泵送混凝土地方材料的特點(diǎn)，在調(diào)查研究和大量試驗(yàn)驗(yàn)證的根底上，并經(jīng)廣泛征求意見后，修訂了本規(guī)程。本規(guī)程的主要技術(shù)容是：1總那么；2術(shù)語和符號(hào)；3回彈儀；4檢測(cè)技術(shù)；5混凝土強(qiáng)度計(jì)算；附錄等。修訂的主要技術(shù)容是：1、研制了省粗骨料為碎石的泵送混凝土以下簡(jiǎn)稱碎石泵送混凝土測(cè)強(qiáng)曲線；2、增加了碎石泵送混凝土60.180。MPa強(qiáng)度段的檢測(cè)；3、碎石泵送混凝土檢測(cè)齡期調(diào)整為71000d;4、取消了底面和頂面混凝土強(qiáng)度檢測(cè)要求。本規(guī)程由省住房與城鄉(xiāng)建立廳負(fù)責(zé)管理，省建筑科學(xué)設(shè)計(jì)研究院負(fù)責(zé)具體技術(shù)容的解釋。在執(zhí)行過程中如有意

3、見或建議，請(qǐng)與省建筑科學(xué)設(shè)計(jì)研究院市文二路28號(hào)郵政編碼：3100121聯(lián)系。本規(guī)程主編單位：省建筑科學(xué)設(shè)計(jì)研究院市博遠(yuǎn)科技開發(fā)隆欣建材本規(guī)程參編單位：省混凝土協(xié)會(huì)市建筑材料試驗(yàn)所市大昌預(yù)拌混凝土市建筑工程平安質(zhì)量監(jiān)視總站市建立工程質(zhì)量監(jiān)視站市商品混凝土永和建材雀躍混凝土制品龍業(yè)建材工程檢測(cè)方遠(yuǎn)建材科技今新集團(tuán)廣天構(gòu)件股份交工混凝土方匯建立工程檢測(cè)錢潮商品混凝土市建筑工程質(zhì)量檢測(cè)中心省天和建材集團(tuán)市商品混凝土管理站省標(biāo)準(zhǔn)設(shè)計(jì)站本規(guī)程主要起草人：徐國孝丁偉軍季宏鋒周仁刀呂晨周岳年何照祥鄧?yán)h廣華卞順發(fā)茂林曉冬正福盛惠佳何建明余炎富尤新剛鐘志剛胡艷心海明保海含本規(guī)程主要審查人員：宇宏光恒盛佩方旭慧

4、文燦王建鏤邵斌應(yīng)偉榮 TOC o 1-5 h z 2術(shù)語和符號(hào)2術(shù)語2符號(hào)33回彈儀4技術(shù)要求4檢定4保養(yǎng)54檢測(cè)技術(shù)7一般規(guī)定7回彈值測(cè)量9回彈值計(jì)算9碳化深度值測(cè)量105混凝土強(qiáng)度計(jì)算11 HYPERLINK l bookmark4 o Current Document 附錄A碎石泵送混凝土測(cè)區(qū)強(qiáng)度換算表14 HYPERLINK l bookmark6 o Current Document 附錄B卵石泵送混凝土測(cè)區(qū)強(qiáng)度換算表22 HYPERLINK l bookmark39 o Current Document 附錄C回彈法檢測(cè)泵送混凝土抗壓強(qiáng)度原始記錄表30附錄D回彈法檢測(cè)泵送混凝土抗壓

5、強(qiáng)度報(bào)31本規(guī)程用詞說明32引用標(biāo)準(zhǔn)名錄33Contents TOC o 1-5 h z GeneralProvisions1TermsandSymbols2Terms2Symbols3ReboundHammer4TechnicalRequirements4Verification4Maintenance5TestingTechnology7GeneralRequirements7ReboundValueMeasurement9CalculationofReboundValue9CarbonationDepthMeasurement9PresumptionforStrengthofstruct

6、uralConcrete11AppendixAConversionValueTableofpressiveStrengthforPumpedConcretepreparedwithCrushedStoneinTestArea14AppendixBConversionValueTableofpressiveStrengthforPumpedConcretepreparedwithPebbleinTestArea22AppendixCOriginalRecordsTableofPumpedConcretepressiveStrengthInspectedbyReboundMethod30Appen

7、dixDReportofPumpedConcretepressiveStrengthInspectedbyReboundMethod31ExplanationofWordinginThisSpecification3233ListofQuotedStandards1總那么1.0.1為規(guī)省回彈儀檢測(cè)泵送混凝土抗壓強(qiáng)度的方法，保證檢測(cè)精度，制定本規(guī)程。1.0.2本規(guī)程適用于泵送混凝土抗壓強(qiáng)度以下簡(jiǎn)稱混凝土強(qiáng)度的檢測(cè)，不適用于表層與部質(zhì)量有明顯差異或部存在缺陷的混凝土強(qiáng)度檢測(cè)。1.0.3使用回彈法進(jìn)展檢測(cè)的人員，應(yīng)通過專門的技術(shù)培訓(xùn)。1.0.4回彈法檢測(cè)混凝土強(qiáng)度除應(yīng)符合本規(guī)程外，尚應(yīng)符合國家和地方

8、現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定。2術(shù)語和符號(hào)術(shù)語泵送混凝土pumpedconcrete指按空通混凝土配合比設(shè)計(jì)規(guī)程？JGJ55中泵送混凝土配合比設(shè)計(jì)要求制作的混凝土，混凝土拌合物的坍落度不低于100mmo測(cè)區(qū)testarea檢測(cè)構(gòu)件混凝土強(qiáng)度時(shí)的一個(gè)檢測(cè)單元。測(cè)點(diǎn)testpoint測(cè)區(qū)的一個(gè)回彈檢測(cè)點(diǎn)。泵送混凝土測(cè)區(qū)強(qiáng)度換算值conversionvalueofpumpedconcretepressivestrengthintestarea由測(cè)區(qū)的平均回彈值和碳化深度值通過測(cè)強(qiáng)曲線或測(cè)區(qū)強(qiáng)度換算表得到的測(cè)區(qū)現(xiàn)齡期混凝土強(qiáng)度值。泵送混凝土抗壓強(qiáng)度推定值presumptionvalueofpumpedconcr

9、etepressionstrength相應(yīng)于強(qiáng)度換算值總體分布中保證率不低于95%的構(gòu)件中的混凝土強(qiáng)度值。符號(hào)dm測(cè)區(qū)的平均碳化深度值。fcU,i測(cè)區(qū)混凝土強(qiáng)度換算值。fcor,m芯樣試件混凝土強(qiáng)度平均值。fcU,m0對(duì)應(yīng)于鉆芯部位回彈測(cè)區(qū)混凝土強(qiáng)度換算值的平均值fcorj第i個(gè)混凝土芯樣試件的強(qiáng)度值。fcU,io修正前第i個(gè)測(cè)區(qū)的混凝土強(qiáng)度換算值。喘,口修正后第i個(gè)測(cè)區(qū)的混凝土強(qiáng)度換算值。fcU,min構(gòu)件中測(cè)區(qū)混凝土強(qiáng)度換算值的最小值。fcu,e構(gòu)件混凝土強(qiáng)度推定值。mfc測(cè)區(qū)混凝土強(qiáng)度換算值的平均值。1cusfc構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差。1cuR測(cè)區(qū)第i個(gè)測(cè)點(diǎn)的回彈值。Rm測(cè)區(qū)或

10、試件的回彈平均值。Y測(cè)區(qū)混凝土強(qiáng)度修正系數(shù)。3回彈儀技術(shù)要求回彈儀可為數(shù)字式的，也可為指針直讀式的?；貜梼x應(yīng)具有產(chǎn)品合格證及計(jì)量檢定證書，并應(yīng)在回彈儀的明顯位置上標(biāo)注名稱、型號(hào)、制造廠名或商標(biāo)、出廠編號(hào)等。回彈儀除應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)？回彈儀？GB/T9138的規(guī)定外，尚應(yīng)符合以下規(guī)定：1水平彈擊時(shí)，在彈擊錘脫鉤瞬間，回彈儀的標(biāo)稱能量應(yīng)為2.20742在彈擊錘與彈擊桿碰撞的瞬間，彈擊拉簧應(yīng)處于自由狀態(tài)，且彈擊錘起跳點(diǎn)應(yīng)位于指針指示刻度尺上“0處；3在洛氏硬度HRC為60士2、質(zhì)量為16kg的鋼砧上，回彈儀的率定值應(yīng)為80士2;4數(shù)字式回彈儀應(yīng)帶有指針直讀示值系統(tǒng)；數(shù)字顯示的回彈值與指針直讀示值相

11、差不應(yīng)超過1?；貜梼x使用時(shí)的環(huán)境溫度應(yīng)為-440C。檢定回彈儀檢定周期為半年，當(dāng)回彈儀具有以下情況之一時(shí)，應(yīng)由法定計(jì)量檢定機(jī)構(gòu)按現(xiàn)行行業(yè)標(biāo)準(zhǔn)？回彈儀？JJG817a展檢定：1新回彈儀啟用前；2超過檢定有效期限；3數(shù)字式回彈儀數(shù)字顯示的回彈值與指針直讀示值相差大于1;4經(jīng)保養(yǎng)后，在鋼砧上的率定值不合格；5遭受嚴(yán)重撞擊或其他損害?；貜梼x的率定試驗(yàn)應(yīng)符合以下規(guī)定：1率定試驗(yàn)應(yīng)在室溫為535C的條件下進(jìn)展；2鋼砧外表應(yīng)枯燥、清潔，并穩(wěn)固地平放在剛度大的物體上；3回彈值應(yīng)取連續(xù)向下彈擊三次的穩(wěn)定回彈結(jié)果的平均值；4率定試驗(yàn)應(yīng)分四個(gè)方向進(jìn)展，且每個(gè)方向彈擊前，彈擊桿應(yīng)旋轉(zhuǎn)90度，每個(gè)方向的回彈平均值均應(yīng)為

12、802?；貜梼x率定試驗(yàn)所用的鋼砧應(yīng)每2年送授權(quán)計(jì)量檢定機(jī)構(gòu)檢定或校準(zhǔn)。保養(yǎng)當(dāng)回彈儀存在以下情況之一時(shí)，應(yīng)進(jìn)展保養(yǎng)：1回彈儀彈擊超過2000次；2在鋼砧上的率定值不合格；3對(duì)檢測(cè)值有疑心?；貜梼x的保養(yǎng)應(yīng)按以下步驟進(jìn)展：1先將彈擊錘脫鉤，取出機(jī)芯，然后卸下彈擊桿，取出里面的緩沖壓簧,并取出彈擊錘、彈擊拉簧和拉簧座。2清潔機(jī)芯各零部件，并應(yīng)重點(diǎn)清理中心導(dǎo)桿、彈擊錘和彈擊桿的孔及沖擊面。清理后，應(yīng)在中心導(dǎo)桿上薄薄涂抹鐘表油，其他零部件均不得抹油。3清理機(jī)殼壁，卸下刻度尺，檢查指針，其摩擦力應(yīng)為0.50.8N。4對(duì)于數(shù)字式回彈儀，還應(yīng)按產(chǎn)品要求的維護(hù)程序進(jìn)展維護(hù)。5保養(yǎng)時(shí)，不得旋轉(zhuǎn)尾蓋上已定位緊固的調(diào)零

13、螺絲，不得自制或更換零部件。6保養(yǎng)后應(yīng)按本規(guī)程第3.2.2條的規(guī)定進(jìn)展率定?；貜梼x使用完畢，應(yīng)使彈擊桿伸出機(jī)殼，并應(yīng)去除彈擊桿、桿前端球面以及刻度尺外表和外殼上的污垢、塵土。回彈儀不用時(shí)，應(yīng)將彈擊桿壓入機(jī)殼，經(jīng)彈擊后應(yīng)按下按鈕，鎖住機(jī)芯，然后裝入儀器箱。儀器箱應(yīng)平放在枯燥陰涼處。當(dāng)數(shù)字式回彈儀長期不用時(shí)，應(yīng)取出電池。4檢測(cè)技術(shù)一般規(guī)定采用回彈法檢測(cè)混凝土強(qiáng)度時(shí)，宜具有包含以下容的資料：1工程名稱、設(shè)計(jì)單位、施工單位；2構(gòu)件名稱、數(shù)量及混凝土類型、強(qiáng)度等級(jí)；3水泥安定性，外加劑、摻合料品種，混凝土配合比等；4施工模板，混凝土澆筑、養(yǎng)護(hù)情況及澆筑日期等；5必要的設(shè)計(jì)圖紙和施工記錄；6檢測(cè)原因?；貜?/p>

14、儀在檢測(cè)前后，均應(yīng)在鋼砧上做率定試驗(yàn)，并應(yīng)符合本規(guī)程第條的規(guī)定?；炷翉?qiáng)度可按單個(gè)構(gòu)件檢測(cè)或按批量進(jìn)展檢測(cè)，并應(yīng)符合以下規(guī)定：1單個(gè)構(gòu)件的檢測(cè)應(yīng)符合本規(guī)程第4.1.4條的規(guī)定。2對(duì)于混凝土生產(chǎn)工藝、強(qiáng)度等級(jí)一樣，原材料、配合比、養(yǎng)護(hù)條件根本一致且齡期相近的一批同類構(gòu)件的檢測(cè)應(yīng)采用批量檢測(cè)。按批量進(jìn)展檢測(cè)時(shí)，應(yīng)隨機(jī)抽取構(gòu)件，抽檢數(shù)量不宜少于同批構(gòu)件總數(shù)的30%且不宜少于10件。當(dāng)檢驗(yàn)批構(gòu)件數(shù)量大于30個(gè)時(shí)，抽樣構(gòu)件數(shù)量可適當(dāng)調(diào)整，但不得少于國家現(xiàn)行有關(guān)標(biāo)準(zhǔn)規(guī)定的最小抽樣數(shù)量。單個(gè)構(gòu)件的檢測(cè)應(yīng)符合以下規(guī)定：1對(duì)于一般構(gòu)件，測(cè)區(qū)數(shù)不宜少于10個(gè)。當(dāng)受檢構(gòu)件數(shù)量大于30個(gè)且不需提供單個(gè)構(gòu)件推定強(qiáng)度或受

15、檢構(gòu)件某一方向尺寸不大于4.5m且另一方向尺寸不大于0.3m時(shí)，每個(gè)構(gòu)件的測(cè)區(qū)數(shù)量可適當(dāng)減少，但不應(yīng)少于5個(gè)。2相鄰兩測(cè)區(qū)的間距不應(yīng)大于2m,測(cè)區(qū)離構(gòu)件端部或施工縫邊緣的距離不宜大于0.5m,且不宜小于0.2m3測(cè)區(qū)應(yīng)選在使回彈儀處于水平方向的混凝土澆筑側(cè)面。4測(cè)區(qū)宜布置在構(gòu)件的兩個(gè)對(duì)稱可測(cè)面上，當(dāng)不能布置在對(duì)稱的可測(cè)面上時(shí)，也可布置在同一可測(cè)面上，且應(yīng)均勻分布。在構(gòu)件的重要部位及薄弱部位應(yīng)布置測(cè)區(qū)，并應(yīng)避開預(yù)埋件。5測(cè)區(qū)的面積不宜大于0.044。6測(cè)區(qū)外表應(yīng)為混凝土原漿面，并應(yīng)清潔、平整，不應(yīng)有疏松層、浮漿、油垢、涂層以及蜂窩、麻面。7對(duì)彈擊時(shí)產(chǎn)生顫抖的薄壁、小型構(gòu)件，應(yīng)進(jìn)展固定。測(cè)區(qū)應(yīng)標(biāo)有

16、清晰的編號(hào)，并宜在記錄紙上繪制測(cè)區(qū)布置示意圖和描述外觀質(zhì)量情況。當(dāng)檢測(cè)條件與測(cè)強(qiáng)曲線的適用條件有較大差異時(shí)，可采用在構(gòu)件上鉆取的混凝土芯樣對(duì)測(cè)區(qū)混凝土強(qiáng)度換算值進(jìn)展修正。對(duì)同一強(qiáng)度等級(jí)混凝土修正時(shí)，芯樣數(shù)量不應(yīng)少于6個(gè)，公稱直徑宜為100mm,高徑比應(yīng)為1。芯樣應(yīng)在測(cè)區(qū)鉆取，每個(gè)芯樣應(yīng)只加工一個(gè)試件。計(jì)算時(shí)，測(cè)區(qū)混凝土強(qiáng)度修正系數(shù)及測(cè)區(qū)混凝土強(qiáng)度換算值的修正應(yīng)符合以下規(guī)定：1修正系數(shù)應(yīng)按下式計(jì)算：1nT=-?cor,i/?Cu,i4.1.6-1ni1式中，Y修正系數(shù)，準(zhǔn)確到0.01；cor,i第i個(gè)混凝土芯樣試件的抗壓強(qiáng)度值，準(zhǔn)確到0.1MPa;Cu,i式一對(duì)應(yīng)于第i個(gè)芯樣部位回彈平均值和碳化

17、深度值的混凝土強(qiáng)度換算值，應(yīng)按附錄A或附錄B查取;試件數(shù)。2測(cè)區(qū)混凝土強(qiáng)度換算值的修正應(yīng)按下式計(jì)算：fcU,ii=2cU,i04162式中：fcU,i0第i個(gè)測(cè)區(qū)修正前的混凝土強(qiáng)度換算值（MPa）,準(zhǔn)確到0.1MPafciii第i個(gè)測(cè)區(qū)修正后的混凝土強(qiáng)度換算值（MPa）,準(zhǔn)確到0.1MPa鉆芯后，應(yīng)及時(shí)對(duì)鉆芯造成的構(gòu)件破損部位進(jìn)展有效修補(bǔ)。回彈值測(cè)量測(cè)量回彈值時(shí)，回彈儀的軸線應(yīng)始終垂直于混凝土檢測(cè)面，并應(yīng)緩慢施壓、準(zhǔn)確讀數(shù)、快速復(fù)位。每一測(cè)區(qū)應(yīng)讀取16個(gè)回彈值，每一測(cè)點(diǎn)的回彈值讀數(shù)應(yīng)準(zhǔn)確至1。測(cè)點(diǎn)宜在測(cè)區(qū)圍均勻分布，相鄰兩測(cè)點(diǎn)的凈距離不宜小于20mm;測(cè)點(diǎn)距外露鋼筋、預(yù)埋件的距離不宜小于30m

18、m;測(cè)點(diǎn)不應(yīng)在氣孔或外露石子上，同一測(cè)點(diǎn)應(yīng)只彈擊一次?；貜椫涤?jì)算計(jì)算測(cè)區(qū)回彈平均值時(shí)，應(yīng)從該測(cè)區(qū)的16個(gè)回彈值中剔除3個(gè)最大值和3個(gè)最小值，其余的10個(gè)回彈值應(yīng)按下式計(jì)算：10RiRm=山一4.3.110式中Rm測(cè)區(qū)回彈平均值，準(zhǔn)確至0.1；Ri第i個(gè)測(cè)點(diǎn)的回彈值碳化深度值測(cè)量回彈值測(cè)量完畢后，應(yīng)在有代表性的測(cè)區(qū)上測(cè)量碳化深度值，測(cè)點(diǎn)數(shù)量不應(yīng)少于構(gòu)件測(cè)區(qū)數(shù)的30%,應(yīng)取其平均值為該構(gòu)件每個(gè)測(cè)區(qū)的碳化深度值。當(dāng)碳化深度值極差大于2.0mm時(shí)，應(yīng)在每一測(cè)區(qū)分別測(cè)量碳化深度值。碳化深度值的測(cè)量，應(yīng)符合以下規(guī)定：1可采用工具在測(cè)區(qū)外表形成直徑約15mm的孔洞，其深度應(yīng)大于混凝土的碳化深度；2應(yīng)去除孔洞

19、中的粉末和碎屑，并不得用水擦洗；3應(yīng)采用濃度為1%2%的酚醐酒精溶液滴在孔洞壁的邊緣處，當(dāng)已碳化與未碳化界限清楚時(shí)，應(yīng)采用碳化深度測(cè)量儀測(cè)量已碳化與未碳化混凝土交界面到混凝土外表的垂直距離，并應(yīng)測(cè)量3次，每次測(cè)讀應(yīng)準(zhǔn)確至0.25mm;4應(yīng)取三次測(cè)量的平均值作為檢測(cè)結(jié)果，并應(yīng)準(zhǔn)確至0.5mm;5當(dāng)碳化深度平均值大于6.0mm時(shí)，應(yīng)取6mm作為該測(cè)區(qū)碳化深度值。5混凝土強(qiáng)度計(jì)算5.0.1采用按本規(guī)程附錄A和附錄B的規(guī)定進(jìn)展強(qiáng)度換算的泵送混凝土，應(yīng)符合以下要求：1采用普通成型工藝；2采用符合國家標(biāo)準(zhǔn)規(guī)定的模板；3混凝土拌合物坍落度不低于100mm;4混凝土表層為枯燥狀態(tài)；5自然養(yǎng)護(hù)，且碎石泵送混凝土

20、齡期為71000d,卵石泵送混凝土齡期為141000d;6碎石泵送混凝土抗壓強(qiáng)度為15.0H80.0MPa;卵石泵送混凝土抗壓強(qiáng)度為10.卜60.0MPa。5.0.2符合本規(guī)程第5.0.1條的泵送混凝土，測(cè)區(qū)強(qiáng)度應(yīng)按以下規(guī)定換算：1當(dāng)粗骨料為碎石時(shí)，應(yīng)按本規(guī)程附錄A的規(guī)定換算；2當(dāng)粗骨料為卵石時(shí)，應(yīng)按本規(guī)程附錄B的規(guī)定換算。5.0.3當(dāng)有以下情況之一時(shí)，測(cè)區(qū)混凝土強(qiáng)度值不得按本規(guī)程附錄A或附錄B進(jìn)展強(qiáng)度換算：1泵送混凝土粗骨料最大公稱粒徑大于31.5mm;2檢測(cè)部位曲率半徑小于250mm。5.0.4構(gòu)件的測(cè)區(qū)混凝土強(qiáng)度平均值應(yīng)根據(jù)各測(cè)區(qū)的混凝土強(qiáng)度換算值計(jì)算。當(dāng)測(cè)區(qū)數(shù)為10個(gè)及以上時(shí)，還應(yīng)計(jì)算

21、強(qiáng)度標(biāo)準(zhǔn)差。平均值及標(biāo)準(zhǔn)差應(yīng)按以下公式計(jì)算:5.0.4-1nfc.1cu,im?c=-cunSfc curC 22fcui,n mfci icu5.0.4-2式中 m? cu構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的平均值MPa，準(zhǔn)確至0.1MPqn對(duì)于單個(gè)檢測(cè)的構(gòu)件，取該構(gòu)件的測(cè)區(qū)數(shù)；對(duì)批量檢測(cè)的構(gòu)件，取所有被抽檢構(gòu)件測(cè)區(qū)數(shù)之和；S.C構(gòu)造或構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差MPa，準(zhǔn)確CU7至0.01MP35.0.5構(gòu)件的現(xiàn)齡期混凝土強(qiáng)度推定值？cuj應(yīng)符合以下規(guī)定:1當(dāng)構(gòu)件測(cè)區(qū)數(shù)少于10個(gè)時(shí)，應(yīng)按下式計(jì)算:cu,e?ccu,min5.0.5-1式中？Cu,min構(gòu)件中最小的測(cè)區(qū)混凝土強(qiáng)度換算值2當(dāng)構(gòu)件測(cè)區(qū)

22、數(shù)不少于10個(gè)時(shí)，應(yīng)按下式計(jì)算:fcu,emfCu-1.645Sfc5.0.5-2cu3當(dāng)批量檢測(cè)時(shí)，應(yīng)按下式計(jì)算：f cu,e 國kSfcfcu5.0.5-3式中：k推定系數(shù)，宜取1.645當(dāng)需要進(jìn)展推定強(qiáng)度區(qū)間時(shí)，可按國家現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定取值。4對(duì)碎石泵送混凝土，當(dāng)構(gòu)件的測(cè)區(qū)強(qiáng)度值中出現(xiàn)小于15.0MPa時(shí)，應(yīng)5.0.5-41按下式確定:cue15.0MPacu,e當(dāng)構(gòu)件的測(cè)區(qū)強(qiáng)度值中出現(xiàn)大于80.0MPa時(shí)，按單個(gè)構(gòu)件計(jì)算時(shí)，應(yīng)按5.0.5-1式確定；按批量計(jì)算時(shí)，大于80.0MPa的測(cè)區(qū)強(qiáng)度值取80.0MPa5對(duì)卵石泵送混凝土，當(dāng)構(gòu)件的測(cè)區(qū)強(qiáng)度值中出現(xiàn)小于10.0MPa時(shí)，應(yīng)5.0.

23、5-a按下式確定:cue620.615.020.815.315.021.015.515.315.021.215.815.515.315.121.416.015.815.615.315.121.616.316.115.815.615.315.121.816.616.316.115.815.615.315.122.016.816.616.316.115.815.615.315.122.217.116.916.616.316.115.815.615.415.122.417.417.116.916.616.316.115.815.615.415.122.617.717.417.116.916.616.

24、316.115.815.615.415.122.817.917.717.417.116.916.616.316.115.815.615.415.123.018.217.917.717.417.116.916.616.316.115.815.615.415.123.218.518.217.917.717.417.116.916.616.316.115.815.615.423.418.818.518.217.917.717.417.116.916.616.316.115.815.623.619.118.818.518.217.917.617.417.116.816.616.316.115.823.

25、819.419.118.818.518.217.917.617.417.116.816.616.316.124.019.619.319.018.818.518.217.917.617.417.116.816.616.324.219.919.619.319.018.718.418.217.917.617.317.116.816.524.420.219.919.619.319.018.718.418.117.917.617.317.116.824.620.520.219.919.619.319.018.718.418.117.817.617.317.024.820.820.520.219.919.

26、619.319.018.718.418.117.817.617.3續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,1平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5625.021.120.820.520.219.819.519.218.918.718.418.117.817.525.221.421.120.820.420.119.819.519.218.918.618.318.117.825.421.721.421.120.720.420.119.819.519.218.918.618.318.025.622.021.721.421.020

27、.720.420.119.819.419.118.918.618.325.822.322.021.621.321.020.720.320.019.719.419.118.818.526.022.622.321.921.621.320.920.620.320.019.719.419.118.826.222.922.622.221.921.621.220.920.620.320.019.619.319.026.423.322.922.522.221.921.521.220.920.520.219.919.619.326.623.623.222.822.522.121.821.521.120.820

28、.520.219.919.626.823.923.523.222.822.422.121.821.421.120.820.420.119.827.024.223.823.523.122.722.422.021.721.421.020.720.420.127.224.524.123.823.423.022.722.322.021.721.321.020.720.327.424.824.524.123.723.323.022.622.321.921.621.320.920.627.625.224.824.424.023.623.322.922.622.221.921.521.220.927.825

29、.525.124.724.323.923.623.222.922.522.221.821.521.128.025.825.425.024.624.323.923.523.122.822.422.121.821.428.226.125.725.324.924.624.223.823.423.122.722.422.021.728.426.526.125.725.324.924.524.123.723.423.022.722.322.028.626.826.426.025.625.224.824.424.023.723.322.922.622.228.827.126.726.325.925.525

30、.124.724.324.023.623.222.922.529.027.527.026.626.225.825.425.024.624.223.923.523.122.829.227.827.426.926.526.125.725.324.924.524.223.823.423.129.428.127.727.326.826.426.025.625.224.824.524.123.723.329.628.528.027.627.226.826.325.925.525.124.824.424.023.6續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,i平均碳化深度值dmmm00.5

31、1.01.52.02.53.03.54.04.55.05.5629.828.828.427.927.527.126.726.225.825.425.124.724.323.930.029.228.728.327.827.427.026.626.125.725.325.024.624.230.229.529.028.628.227.727.326.926.526.025.625.324.924.530.429.829.428.928.528.027.627.226.826.425.925.525.224.830.630.229.729.328.828.427.927.527.126.726.32

32、5.825.425.130.830.530.129.629.228.728.327.827.427.026.626.125.725.331.030.930.429.929.529.028.628.127.727.326.926.426.025.631.231.230.830.329.829.428.928.528.027.627.226.726.325.931.431.631.130.630.229.729.228.828.327.927.527.126.626.231.632.031.531.030.530.029.629.128.728.227.827.426.926.531.832.33

33、1.831.330.830.429.929.429.028.528.127.727.226.832.032.732.231.731.230.730.229.829.328.928.428.027.527.132.233.032.532.031.531.030.630.129.629.228.728.327.827.432.433.432.932.431.931.430.930.430.029.529.028.628.227.732.633.833.232.732.231.731.230.830.329.829.428.928.528.032.834.133.633.132.632.131.63

34、1.130.630.129.729.228.828.333.034.534.033.432.932.431.931.430.930.530.029.529.128.633.234.934.333.833.332.832.331.831.330.830.329.929.428.933.435.234.734.233.633.132.632.131.631.130.630.229.729.333.635.635.134.534.033.533.032.532.031.531.030.530.029.633.836.035.434.934.433.833.332.832.331.831.330.83

35、0.329.934.036.435.835.334.734.233.733.132.632.131.631.130.730.234.236.836.235.635.134.534.033.533.032.532.031.531.030.534.437.136.636.035.434.934.433.833.332.832.331.831.330.8續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,1平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5634.637.536.936.435.835.334.734.233.733.132.632.1

36、31.631.134.837.937.336.736.235.635.134.534.033.533.032.431.931.535.038.337.737.136.536.035.434.934.333.833.332.832.331.835.238.738.137.536.936.335.835.234.734.233.633.132.632.135.439.138.537.937.336.736.135.635.034.534.033.432.932.435.639.538.838.337.737.136.535.935.434.834.333.833.332.735.839.939.2

37、38.638.037.436.936.335.735.234.634.133.633.136.040.239.639.038.437.837.236.736.135.535.034.533.933.436.240.640.039.438.838.237.637.036.535.935.334.834.333.736.441.040.439.839.238.638.037.436.836.235.735.134.634.136.641.440.840.239.638.938.337.737.236.636.035.534.934.436.841.841.240.639.939.338.738.1

38、37.536.936.435.835.334.737.042.241.640.940.339.739.138.537.937.336.736.235.635.137.242.642.041.340.740.139.538.938.337.737.136.535.935.437.443.142.441.741.140.539.839.238.638.037.436.936.335.737.643.542.842.141.540.840.239.639.038.437.837.236.636.137.843.943.242.541.941.240.640.039.338.738.137.637.0

39、36.438.044.343.642.942.341.641.040.339.739.138.537.937.336.738.244.744.043.342.742.041.440.740.139.538.938.337.737.138.445.144.443.743.142.441.741.140.539.839.238.638.037.438.645.544.844.143.542.842.141.540.840.239.639.038.437.838.845.945.244.543.943.242.541.941.240.639.939.338.738.139.046.445.644.9

40、44.343.642.942.241.640.940.339.739.138.539.246.846.145.444.744.043.342.642.041.340.740.139.438.8續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,1平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5639.447.246.545.845.144.443.743.042.341.741.040.439.839.239.647.646.946.245.544.844.143.442.742.141.440.840.139.539.848.147.346.

41、645.945.244.543.843.142.441.841.140.539.940.048.547.747.046.345.644.944.243.542.842.241.540.940.240.248.948.247.446.746.045.344.643.943.242.541.941.240.640.449.348.647.847.146.445.745.044.343.642.942.241.641.040.649.849.048.347.546.846.145.344.644.043.342.642.041.340.850.249.448.747.947.246.545.745.

42、044.343.743.042.341.741.050.749.949.148.347.646.946.145.444.744.043.442.742.041.251.150.349.548.848.047.346.545.845.144.443.743.142.441.451.550.750.049.248.447.746.946.245.544.844.143.442.841.652.051.250.449.648.848.147.346.645.945.244.543.843.141.852.451.650.850.049.348.547.747.046.345.644.944.243.

43、542.052.952.051.250.449.748.948.147.446.746.045.244.543.942.253.352.551.750.950.149.348.647.847.146.345.644.944.242.453.752.952.151.350.549.749.048.247.546.746.045.344.642.654.253.452.551.750.950.149.448.647.947.146.445.745.042.854.653.853.052.251.450.649.849.048.347.546.846.145.343.055.154.353.452.

44、651.851.050.249.448.747.947.246.445.743.255.654.753.953.052.251.450.649.849.148.347.646.846.143.456.055.154.353.552.651.851.050.249.548.747.947.246.543.656.555.654.753.953.152.251.450.649.949.148.347.646.943.856.956.055.254.353.552.751.951.150.349.548.748.047.244.057.456.555.654.853.953.152.351.550.

45、749.949.148.447.6續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,1平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5644.257.857.056.155.254.453.552.751.951.150.349.548.848.044.458.357.456.555.754.854.053.152.351.550.749.949.148.444.658.857.957.056.155.254.453.552.751.951.150.349.548.844.859.258.357.456.555.754.854.053.152

46、.351.550.749.949.245.059.758.857.957.056.155.254.453.652.751.951.150.349.645.260.259.358.357.456.655.754.854.053.152.351.550.749.945.460.759.758.857.957.056.155.354.453.652.751.951.150.345.661.160.259.358.357.456.655.754.854.053.152.351.550.745.861.660.759.758.857.957.056.155.354.453.652.751.951.146

47、.062.161.160.259.358.357.456.655.754.854.053.152.351.546.262.661.660.659.758.857.957.056.155.254.453.652.751.946.463.062.161.160.259.258.357.456.555.754.854.053.152.346.663.562.561.660.659.758.857.957.056.155.254.453.552.746.864.063.062.061.160.159.258.357.456.555.654.853.953.147.064.563.562.561.560

48、.659.758.757.856.956.155.254.453.547.265.064.063.062.061.160.159.258.357.456.555.654.853.947.465.564.463.562.561.560.659.658.757.856.956.055.254.347.665.964.963.962.962.061.060.159.158.257.356.555.654.747.866.465.464.463.462.461.560.559.658.757.856.956.055.148.066.965.964.963.962.961.961.060.059.158

49、.257.356.455.548.267.466.465.464.463.462.461.460.559.558.657.756.856.048.467.966.965.864.863.862.861.960.960.059.158.157.256.448.668.467.466.365.364.363.362.361.460.459.558.657.756.848.868.967.966.865.864.863.862.861.860.959.959.058.157.2續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,i平均碳化深度值dmmm00.51.01.52.02.53.03

50、.54.04.55.05.5649.069.468.367.366.365.264.263.262.361.360.459.458.557.649.269.968.867.866.765.764.763.762.761.760.859.958.958.049.470.469.368.367.266.265.264.263.262.261.260.359.458.449.670.969.868.867.766.765.664.663.662.661.760.759.858.949.871.470.369.268.267.166.165.164.163.162.161.260.259.350.07

51、1.970.869.768.767.666.665.564.563.562.561.660.659.750.272.571.370.269.268.167.066.065.064.063.062.061.160.150.473.071.870.769.668.667.566.565.464.463.462.561.560.550.673.572.371.270.169.068.066.965.964.963.962.961.961.050.874.072.871.770.669.568.567.466.465.364.363.362.461.451.074.573.472.271.170.06

52、8.967.966.865.864.863.862.861.851.275.073.972.771.670.569.468.367.366.365.264.263.262.351.475.574.473.272.171.069.968.867.866.765.764.763.762.751.676.174.973.772.671.570.469.368.267.266.165.164.163.151.876.675.474.273.172.070.969.868.767.666.665.664.563.652.077.175.974.773.672.571.370.269.268.167.06

53、6.065.064.052.277.676.475.374.173.071.870.769.668.667.566.565.464.452.478.277.075.874.673.472.371.270.169.068.066.965.964.952.678.777.576.375.173.972.871.770.669.568.467.466.365.352.879.278.076.875.674.473.372.271.170.068.967.866.865.753.079.778.577.376.174.973.872.671.570.469.368.367.266.253.279.07

54、7.876.675.474.373.172.070.969.868.767.766.653.479.678.377.175.974.873.672.571.470.369.268.167.153.678.977.676.475.374.173.071.870.769.668.667.5續(xù)表A平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？CuiMPacu,i平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5653.879.478.277.075.874.673.472.371.270.169.068.054.079.978.777.576.375.173.972.8

55、71.770.669.568.454.279.278.076.875.674.473.372.171.069.968.954.479.778.577.376.174.973.772.671.570.469.354.679.077.876.675.474.273.172.070.869.854.879.578.377.175.974.773.672.471.370.255.080.078.877.676.475.274.072.971.870.755.279.378.176.975.774.573.472.271.155.479.878.677.476.275.073.872.771.655.6

56、79.177.876.675.574.373.272.055.879.678.377.175.974.873.672.556.078.877.676.475.274.172.956.279.378.176.975.774.673.456.479.878.677.476.275.073.956.679.177.976.775.574.356.879.678.477.276.074.857.078.977.676.475.357.279.378.176.975.757.479.878.677.476.257.679.177.976.757.879.678.477.158.078.877.658.2

57、79.378.158.479.878.658.679.059.080.0注：本表系采用省碎石泵送混凝土測(cè)強(qiáng)曲線制定。附錄B卵石泵送混凝土測(cè)區(qū)強(qiáng)度換算表表B卵石泵送混凝土測(cè)區(qū)強(qiáng)度換算表平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？cu,iMPa平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5620.010.310.1-20.210.510.310.0-20.410.710.510.2-20.611.010.810.410.1-20.811.211.010.610.3-21.011.411.210.810.510.0-21.211.611.411.010.710.2

58、-21.411.811.611.210.910.410.0-21.612.011.811.411.010.610.2-21.812.312.111.711.310.810.510.1-22.012.512.211.911.511.010.610.2-22.212.712.412.111.711.210.810.410.0-22.413.012.712.412.011.411.010.710.310.0-22.613.212.912.512.111.611.210.810.410.2-22.813.413.112.712.311.811.411.010.610.3-23.013.713.413.

59、012.612.111.611.210.810.510.1-23.213.913.613.212.812.211.811.411.010.710.310.0-23.414.113.813.413.012.412.011.611.210.910.410.2-23.614.414.113.713.212.712.211.811.411.110.710.410.1-23.814.614.313.913.412.812.412.011.511.210.810.510.2-24.014.914.614.213.713.112.712.211.811.511.010.710.410.124.215.114

60、.814.313.913.312.812.411.911.611.210.910.610.324.415.415.114.614.213.613.112.612.211.911.411.110.810.4續(xù)表B平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值？：uiMPacu,i平均碳化深度值dmmm00.51.01.52.02.53.03.54.04.55.05.5624.615.615.314.814.413.713.312.812.312.011.511.210.910.624.815.915.615.114.614.013.513.012.612.211.811.411.110.725.016.21