2021回彈法超聲回彈綜合法檢測泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程

回彈法、超聲回彈綜合法回彈法、超聲回彈綜合法檢測泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程目次12總則 1術(shù)、符號 2術(shù)語 2符號 目次12總則 1術(shù)、符號 2術(shù)語 2符號 3回儀和聲波測儀 4回彈技術(shù)求 4超聲檢測技術(shù)求 5檢技術(shù) 7344.14.24.34.4一般定 7回彈測量 9碳化度值量 10超聲量 10567回值和速值算 測曲線 12混土強(qiáng)的推定 13A回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑面） 16回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑面） 22回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑面） 28超聲回彈綜合法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表澆筑面） 35超聲回彈綜合法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度附錄BCD附錄E10換算表換算表澆筑面） 43附錄F超聲回彈綜合法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表澆筑面） 51本規(guī)程詞說明 60引用標(biāo)名錄 61條文說明 6311Contents12General1and22Contents12General1and223Reboundhammerandultrasonicdetector 4requirementsreboundhammer 4requirementsultrasonicdetector 5technology 7344.14.24.34.4Generalrequirements 7Reboundvaluemeasurement 9Carbonationdepthmeasurement 10Ultrasonicpulsemeasurement 105Calculationofreboundvalueandultrasonicpulsewavevelocity·················································································11strengthcurve 12Calculationcompressivestrengthforconcrete 1367AppendixAConversiontablecompressivestrengthconcretefortestareabymethod（sidesurfacecastconcrete） 16Conversiontablecompressivestrengthconcretefortestareabymethod（lowersurfacecastconcrete） 22Conversiontablecompressivestrengthconcretefortestareabymethod（uppersurfacecastconcrete） 28Conversiontablecompressivestrengthconcretefortestareabyultrasonic-reboundcombinedAppendixBAppendixCAppendixD12method（sidesurfacemethod（sidesurfacecastconcrete） 35AppendixE Conversiontablecompressivestrengthconcretefortestareabyultrasonic-reboundcombinedmethod（lowersurfacecastconcrete） 43AppendixFConversiontablecompressivestrengthpumpedconcretefortestareabyultrasonic-reboundcombinedmethod（uppersurfacecastconcrete） 51Explanationwordinginthisspecification 60Liststandards 61Explanationprovisions 63131總則為提高回彈法、超聲回彈綜合法在北京地區(qū)檢測泵送混凝土抗壓強(qiáng)度1總則為提高回彈法、超聲回彈綜合法在北京地區(qū)檢測泵送混凝土抗壓強(qiáng)度（以下簡稱混凝土強(qiáng)度）的精度，保障檢測工作質(zhì)量，制本規(guī)程適用于北京地區(qū)泵送普通混凝土強(qiáng)度的檢測，不適用回彈法、超聲回彈綜合法檢測泵送混凝土強(qiáng)度除應(yīng)遵守本規(guī)程外，尚應(yīng)符合國家現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定。12 術(shù)語、符號2.12 術(shù)語、符號2.1術(shù)語構(gòu)件member按照檢測要求確定的各層軸線與軸線間的梁、板、柱、墻等混凝土結(jié)構(gòu)單元。測區(qū)testarea檢測構(gòu)件混凝土強(qiáng)度時的一個檢測區(qū)域。測點testpoint測區(qū)內(nèi)的一個回彈檢測點?；貜椃╮eboundmethod（彈距離與彈簧初始長度之比）作為與強(qiáng)度相關(guān)的指標(biāo)，來推定混凝超聲回彈綜合法ultrasonic-reboundcombinedmethod依據(jù)測量得到的混凝土超聲波聲速值和回彈值作為與強(qiáng)度相關(guān)的指標(biāo)，來推定混凝土強(qiáng)度的方法。超聲速度ultrasonicpulsevelocity超聲脈沖波在混凝土中單位時間內(nèi)傳播的距離。strengthtestarea由測區(qū)的平均回彈值和碳化深度值或聲速值通過測強(qiáng)曲線或測區(qū)強(qiáng)度換算表換算得到的測區(qū)現(xiàn)齡期混凝土強(qiáng)度值。混凝土強(qiáng)度推定值estimationvaluestrengthconcrete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)件現(xiàn)齡期混凝土的強(qiáng)度值。22.2 dm——fc——測區(qū)混凝土強(qiáng)度換算值。cu,ifm——f2.2 dm——fc——測區(qū)混凝土強(qiáng)度換算值。cu,ifm——fc——對應(yīng)芯樣部位回彈測區(qū)的混凝土強(qiáng)度換算值的平均值。cu,m0fcor,i——第i個混凝土芯樣試件的抗壓強(qiáng)度。fc——修正前第i——修正后第icu,i0fccu,i1fccu,min——構(gòu)件中測區(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。m ——cfcusc——構(gòu)件測區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差。fcuRi——測區(qū)第i個測點的回彈值?！猯i——測區(qū)第iti——測區(qū)第iv——△tot——測區(qū)混凝土強(qiáng)度修正量。33回彈儀和超聲波檢測儀3.1回彈儀技術(shù)要求GB/T3回彈儀和超聲波檢測儀3.1回彈儀技術(shù)要求GB/T的規(guī)定外，1 水平彈擊時，彈擊錘脫鉤的瞬間，回彈儀的標(biāo)稱能量應(yīng)為2.207J。在洛氏硬度60±280±2。。（-4～40）℃。回彈儀檢定（校準(zhǔn)）周期為半年。當(dāng)回彈儀具有下列情況之：12345新回彈儀啟用前；超過檢定（校準(zhǔn)）有效期限；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；經(jīng)保養(yǎng)后，在鋼砧上的率定值不合格；遭受嚴(yán)重撞擊或其他損害?；貜梼x率定試驗應(yīng)符合下列規(guī)定：2校準(zhǔn)（5～35）率定試驗應(yīng)在洛氏硬度HRC為60±2的鋼砧上進(jìn)行，鋼砧表3.1.5123面應(yīng)干燥、清潔，并應(yīng)穩(wěn)固地平放在剛度大的物體上。4旋轉(zhuǎn)90度，每個方向的回彈平均值應(yīng)為80±2。3.1.6 旋轉(zhuǎn)90度，每個方向的回彈平均值應(yīng)為80±2。3.1.6 123彈擊超過2000次；在鋼砧上的率定值不合格；對檢測值有懷疑。回彈儀的保養(yǎng)應(yīng)符合下列規(guī)定：先將彈擊錘脫鉤，取出機(jī)芯，然后卸下彈擊桿，取出里面的3.1.71緩沖壓簧，并取出彈擊錘、彈擊拉簧和拉簧座。桿的內(nèi)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（0.5～0.8）N。3.1.53.1.8回彈儀使用完畢，應(yīng)使彈擊桿伸出機(jī)殼，并應(yīng)清除彈擊桿、應(yīng)將彈擊桿壓入機(jī)殼內(nèi)，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)平放在干燥陰涼處。當(dāng)數(shù)字式回彈儀長期不用時，還應(yīng)取出電池。3.25字信號、測讀聲學(xué)參數(shù)和對數(shù)字信號處理的智能化功能。3.2.2 JG/T5004的規(guī)定外，尚應(yīng)符合下列規(guī)定：1字信號、測讀聲學(xué)參數(shù)和對數(shù)字信號處理的智能化功能。3.2.2 JG/T5004的規(guī)定外，尚應(yīng)符合下列規(guī)定：1234具有波形清晰、顯示穩(wěn)定的示波裝置。聲時最小分度為0.1μs。具有最小分度為1dB的衰減系統(tǒng)。10kz50kz80d，接收靈敏度（在信噪比為3:1時）不大于50μV。20μs～30μs1h數(shù)±0.2μs。一hmn.2s。3.2.5 50kHz～100kHz率相差應(yīng)不大于±10%。3.2.63.2.73.2.8超聲波檢測儀的使用環(huán)境溫度應(yīng)為（0～40）℃。超聲波檢測儀檢定（校準(zhǔn)）周期為1年。超聲波檢測儀保養(yǎng)應(yīng)符合下列規(guī)定：應(yīng)存放在陰涼、干燥的環(huán)境中。較長時間不用時，應(yīng)定期通電排除潮氣。工作時應(yīng)采取防塵、防震措施。12364檢測技術(shù)4.1一般規(guī)定4.1.1 回彈儀和超聲波檢測儀應(yīng)在檢定（校準(zhǔn)4檢測技術(shù)4.1一般規(guī)定4.1.1 回彈儀和超聲波檢測儀應(yīng)在檢定（校準(zhǔn)）有效期內(nèi)使用。回彈儀在檢測前后，均應(yīng)在鋼砧上進(jìn)行率定試驗，并應(yīng)符合本規(guī)程第3.1.2條的規(guī)定。345施工模板，混凝土澆筑、養(yǎng)護(hù)情況及澆筑日期等。必要的設(shè)計圖紙和施工記錄。檢測原因?；炷翉?qiáng)度檢測可按單個構(gòu)件或按批量進(jìn)行檢測，并應(yīng)符合4.1.3下列規(guī)定：4.1.44.1.5條的規(guī)定。相同，原材料、配合比、成型工藝、養(yǎng)護(hù)條件基本一致且齡期相近的一批同類構(gòu)件的檢測。按批量檢測時，應(yīng)隨機(jī)抽取構(gòu)件并使所抽30%1030GB/T50344GB/T50784105個：304.5m0.3m。7測區(qū)應(yīng)優(yōu)先選在能使回彈儀處于水平方向的混凝土澆筑側(cè)面。當(dāng)不具備條件時，應(yīng)優(yōu)先選在能使回彈儀處于垂直向上方向的混凝土澆筑底面。當(dāng)澆筑側(cè)面和澆筑底面均不具備條件時，可選在稱的可測面上時，可布置在同一可測面上，且應(yīng)均勻分布。宜在構(gòu)相鄰兩測區(qū)的間距不應(yīng)大于2m0.5m0.2m測區(qū)應(yīng)優(yōu)先選在能使回彈儀處于水平方向的混凝土澆筑側(cè)面。當(dāng)不具備條件時，應(yīng)優(yōu)先選在能使回彈儀處于垂直向上方向的混凝土澆筑底面。當(dāng)澆筑側(cè)面和澆筑底面均不具備條件時，可選在稱的可測面上時，可布置在同一可測面上，且應(yīng)均勻分布。宜在構(gòu)相鄰兩測區(qū)的間距不應(yīng)大于2m0.5m0.2m。0.04m2。當(dāng)檢測條件與本規(guī)程測強(qiáng)曲線的適用條件有較大差異時，可100mm6少于9JGJ/T384的規(guī)定。計算時，測區(qū)混凝土強(qiáng)度修正量及測區(qū)混凝土強(qiáng)度換算值的修正方1 fc△tot=f（4.1.6-1）－m cu,m01nfm=nfcor,i（4.1.6-2）i81=nfcfc（4.1.6-3）cu,m0cu,ini1tta1=nfcfc（4.1.6-3）cu,m0cu,ini1tta1a；f,mafc——a.1；第ia至0.1MPa；——對應(yīng)第i個芯樣部位回彈測區(qū)的混凝土強(qiáng)度換算值a.1a；cu,fcor,ifccu,in——芯樣數(shù)量。2 fc=fc +△tot（4.1.6-4）cu,i1 cu,i0式：fc —第i個測區(qū)修前的凝土度換a精cu,i00.1MPa；第ia0.1MPa。fccu,i14.2回彈值測量測量回彈值時，回彈儀的軸線應(yīng)始終垂直于混凝土檢測面，并應(yīng)緩慢施壓、準(zhǔn)確讀數(shù)、快速復(fù)位。對彈擊時產(chǎn)生顫動的薄壁、161920mm20mm30mm4.3碳化深度值測量測點數(shù)不應(yīng)少于構(gòu)件測區(qū)數(shù)的30%2.0mm15mm1%～2%當(dāng)已碳化與未碳化界線清晰時，立即采用碳化深度測量儀測量已碳3次，0.25mm。應(yīng)取3次測量值的平均值作為測區(qū)檢測結(jié)果，并應(yīng)精確至0.5mm。4.4超聲測量3好耦合。0.1μs1.0mm，。10回彈值和聲速值計算55.0.1 163個最大值和3個最小值，余下的10個回彈值應(yīng)按下式計算：10RiRm回彈值和聲速值計算55.0.1 163個最大值和3個最小值，余下的10個回彈值應(yīng)按下式計算：10RiRmi1 10（5.0.1）Rm——0.1；Ri——第i個測點的回彈值。5.0.2 3v1li（5.0.2）3 ti1ivm/s.01m/s；li第im10m；ti第i（s0.1s。116測強(qiáng)曲線本規(guī)程建立了結(jié)構(gòu)構(gòu)件混凝土澆筑側(cè)面、澆筑底面、澆筑表面的回彈法測強(qiáng)曲線和超聲回彈綜合法測強(qiáng)曲線，見本規(guī)程附錄A至附錄F。A6測強(qiáng)曲線本規(guī)程建立了結(jié)構(gòu)構(gòu)件混凝土澆筑側(cè)面、澆筑底面、澆筑表面的回彈法測強(qiáng)曲線和超聲回彈綜合法測強(qiáng)曲線，見本規(guī)程附錄A至附錄F。A至附錄F進(jìn)行測區(qū)混凝土強(qiáng)度換算：123456北京地區(qū)泵送混凝土；采用普通成型工藝；14d～365d；抗壓強(qiáng)度為15MPa～60MPa。AF6.0.3地區(qū)泵送混凝土測強(qiáng)曲線，其強(qiáng)度誤差符合下列規(guī)定：（1.0；（）17.0%。6.0.4 A至附錄F進(jìn)行測區(qū)混凝土強(qiáng)度換算：123特種成型工藝制作的混凝土。127混凝土強(qiáng)度的推定7..1 i（fc，cu,i（Rm）可由按本規(guī)程第5.0.14.3（dm）檢測面為澆筑側(cè)面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值1fc（ ）可由本規(guī)程附錄Acu,i7混凝土強(qiáng)度的推定7..1 i（fc，cu,i（Rm）可由按本規(guī)程第5.0.14.3（dm）檢測面為澆筑側(cè)面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值1fc（ ）可由本規(guī)程附錄Acu,if 0.210595R1.4863100.0062dmc（7.0.1-1）cu,im2 檢測面為澆筑底面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值fc（ ）可由本規(guī)程附錄Bcu,iR1.9030100.0097dmf 0.030685c（7.0.1-2）cu,im3 檢測面為澆筑表面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值fc（ ）可由本規(guī)程附錄Ccu,iR1.2824100.0092dmf 0.462321c（7.0.1-3）cu,imi7.0.2值（fc（v）..2cu,i和按本規(guī)程第5.0.1（Rm）出，并應(yīng)符合下列規(guī)定：1 檢測面為澆筑側(cè)面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值fc（ ）可由本規(guī)程附錄Dcu,i1.1984fc（7.0.2-1）cu,im2 檢測面為澆筑底面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值fc（ ）可由本規(guī)程附錄Ecu,i1.2265fc0.015965v（7.0.2-2）cu,im檢測面為澆筑表面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值3fc（ ）可由本規(guī)程附錄Fcu,i0.116802v1.89600.8673fcfc（ ）可由本規(guī)程附錄Ecu,i1.2265fc0.015965v（7.0.2-2）cu,im檢測面為澆筑表面時，構(gòu)件第i個測區(qū)混凝土強(qiáng)度換算值3fc（ ）可由本規(guī)程附錄Fcu,i0.116802v1.89600.8673fc（7.0.2-3）cu,im7.0.3構(gòu)件的測區(qū)混凝土換算強(qiáng)度平均值可根據(jù)各測區(qū)的混凝土強(qiáng)10ncu,icfi1 m（7.0.3-1）fcncus （7.0.3-2）fccu式：m —件測混凝強(qiáng)度算值平均a精確cfcu0.1MPa；scafcu至0.01MPa；n——對于單個檢測的構(gòu)件，取該構(gòu)件的測區(qū)數(shù)；對批量檢測的構(gòu)件，取所有被抽檢構(gòu)件測區(qū)數(shù)之和。7.0.4 （f,e）1 10f fc（7.0.4-1）cu,e cu,fc式中 cu,min——構(gòu)中最的測混凝強(qiáng)度算值。14nfc2m2cu,i fci1 n1當(dāng)構(gòu)件的測區(qū)強(qiáng)度值中出現(xiàn)小于15.0MPa時：215.0MPafcu,e（7.0.4-2）310m1.645sfcu,e（7.0.4-3）ccuccuff4當(dāng)構(gòu)件的測區(qū)強(qiáng)度值中出現(xiàn)小于15.0MPa時：215.0MPafcu,e（7.0.4-2）310m1.645sfcu,e（7.0.4-3）ccuccuff4當(dāng)按批量檢測時，應(yīng)按下列公式計算：mksfcu,e（7.0.4-4）ccuccuff1.645GB/T和《混凝土結(jié)構(gòu)現(xiàn)場檢測技術(shù)標(biāo)準(zhǔn)》GB/T50784的規(guī)定取值。7.0.5 對按批量檢測的構(gòu)件，當(dāng)該批構(gòu)件混凝土強(qiáng)度標(biāo)準(zhǔn)差出現(xiàn)下列情況之一時，則該批構(gòu)件應(yīng)全部按單個構(gòu)件檢測：當(dāng)該批構(gòu)件混凝土強(qiáng)度平均值小于25MPa、s 大于1cfcu4.50MPa時；2 當(dāng)該批構(gòu)件混凝土強(qiáng)度平均值不小于25MPa且不大于60MPa、sc5.50MPa時。fcu15附錄A回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑側(cè)面）（規(guī)范性附錄）A回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑側(cè)面）16平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.517.815.215.1---------------18.015.515.315.215.115.0------------18.215.715.615.515.415.315.215.1----------18.416.015.915.715.615.515.415.315.215.1--------18.616.216.116.015.915.815.715.515.415.315.215.115.0-----18.816.516.416.316.116.015.915.815.715.615.515.415.215.115.0---19.016.816.616.516.416.316.216.015.915.815.715.615.515.415.315.215.1-19.217.016.916.816.716.516.416.316.216.116.015.815.715.615.515.415.315.219.417.317.217.016.916.816.716.616.416.316.216.116.015.915.715.615.515.419.617.517.417.317.217.116.916.816.716.616.516.316.216.116.015.915.815.719.817.817.717.617.417.317.217.116.916.816.716.616.516.316.216.116.015.920.018.118.017.817.717.617.417.317.217.117.016.816.716.616.516.416.216.120.218.318.218.118.017.817.717.617.517.317.217.117.016.816.716.616.516.420.418.618.518.418.218.118.017.817.717.617.517.317.217.117.016.816.716.620.618.918.818.618.518.418.218.118.017.817.717.617.517.317.217.117.016.920.819.219.018.918.818.618.518.418.218.118.017.817.717.617.517.317.217.121.019.419.319.219.018.918.818.618.518.418.218.118.017.817.717.617.517.321.219.719.619.419.319.219.018.918.818.618.518.418.218.118.017.817.717.621.420.019.819.719.619.419.319.219.018.918.718.618.518.418.218.118.017.821.620.320.120.019.819.719.619.419.319.119.018.918.718.618.518.318.218.121.820.520.420.320.120.019.819.719.519.419.319.119.018.918.718.618.518.322.020.820.720.520.420.220.120.019.819.719.519.419.319.119.018.818.718.622.221.121.020.820.720.520.420.220.119.919.819.719.519.419.219.119.018.822.421.421.221.120.920.820.620.520.420.220.119.919.819.619.519.419.219.122.621.721.521.421.221.120.920.820.620.5附錄A回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑側(cè)面）（規(guī)范性附錄）A回彈法北京地區(qū)泵送混凝土測區(qū)混凝土強(qiáng)度換算表（澆筑側(cè)面）16平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.517.815.215.1---------------18.015.515.315.215.115.0------------18.215.715.615.515.415.315.215.1----------18.416.015.915.715.615.515.415.315.215.1--------18.616.216.116.015.915.815.715.515.415.315.215.115.0-----18.816.516.416.316.116.015.915.815.715.615.515.415.215.115.0---19.016.816.616.516.416.316.216.015.915.815.715.615.515.415.315.215.1-19.217.016.916.816.716.516.416.316.216.116.015.815.715.615.515.415.315.219.417.317.217.016.916.816.716.616.416.316.216.116.015.915.715.615.515.419.617.517.417.317.217.116.916.816.716.616.516.316.216.116.015.915.815.719.817.817.717.617.417.317.217.116.916.816.716.616.516.316.216.116.015.920.018.118.017.817.717.617.417.317.217.117.016.816.716.616.516.416.216.120.218.318.218.118.017.817.717.617.517.317.217.117.016.816.716.616.516.420.418.618.518.418.218.118.017.817.717.617.517.317.217.117.016.816.716.620.618.918.818.618.518.418.218.118.017.817.717.617.517.317.217.117.016.920.819.219.018.918.818.618.518.418.218.118.017.817.717.617.517.317.217.121.019.419.319.219.018.918.818.618.518.418.218.118.017.817.717.617.517.321.219.719.619.419.319.219.018.918.818.618.518.418.218.118.017.817.717.621.420.019.819.719.619.419.319.219.018.918.718.618.518.418.218.118.017.821.620.320.120.019.819.719.619.419.319.119.018.918.718.618.518.318.218.121.820.520.420.320.120.019.819.719.519.419.319.119.018.918.718.618.518.322.020.820.720.520.420.220.120.019.819.719.519.419.319.119.018.818.718.622.221.121.020.820.720.520.420.220.119.919.819.719.519.419.219.119.018.822.421.421.221.120.920.820.620.520.420.220.119.919.819.619.519.419.219.122.621.721.521.421.221.120.920.820.620.520.320.220.019.919.819.619.519.3DB11/T1446-2017A17平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.522.822.021.821.721.521.321.221.020.920.720.620.520.320.220.019.919.719.623.022.322.121.921.821.621.521.321.221.020.920.720.620.420.320.120.019.923.222.522.422.222.121.921.821.621.421.321.121.020.820.720.520.420.320.123.422.822.722.522.322.222.021.921.721.621.421.321.121.020.820.720.520.423.623.123.022.822.622.522.322.222.021.821.721.521.421.221.120.920.820.623.823.423.223.122.922.822.622.422.322.122.021.821.621.521.321.221.020.924.023.723.523.423.223.022.922.722.622.422.222.121.921.821.621.521.321.124.224.023.823.723.523.323.223.022.822.722.522.322.222.021.921.721.621.424.424.324.124.023.823.623.423.323.122.922.822.622.522.322.122.021.821.724.624.624.424.224.123.923.723.623.423.223.122.922.722.622.422.322.121.924.824.924.724.524.424.224.023.823.723.523.323.223.022.822.722.522.422.225.025.225.024.824.724.524.324.124.023.823.623.523.323.123.022.822.622.525.225.525.325.124.924.824.624.424.224.123.923.723.623.423.223.122.922.725.425.825.625.425.225.124.924.724.524.424.224.023.823.723.523.323.223.025.626.125.925.725.525.425.225.024.824.624.524.324.124.023.823.623.423.325.826.426.226.025.825.725.525.325.124.924.824.624.424.224.123.923.723.526.026.726.526.326.125.925.825.625.425.225.024.924.724.524.324.224.023.826.227.026.826.626.426.226.125.925.725.525.325.125.024.824.624.424.324.126.427.327.126.926.726.526.426.226.025.825.625.425.325.124.924.724.524.426.627.627.427.227.026.826.726.526.326.125.925.725.525.425.225.024.824.626.827.927.727.527.327.127.026.826.626.426.226.025.825.625.525.325.124.927.028.228.027.827.627.427.327.126.926.726.526.326.125.925.725.625.425.227.228.628.328.127.927.727.627.427.227.026.826.626.426.226.025.825.725.527.428.928.728.528.328.127.927.727.527.327.126.926.726.526.326.125.925.727.629.229.028.828.628.428.228.027.827.627.427.227.026.826.626.426.226.027.829.529.329.128.928.728.528.328.127.927.727.527.327.126.926.726.526.328.029.829.629.429.229.028.828.628.428.228.027.827.627.427.227.026.826.628.230.129.929.729.529.329.128.928.728.528.328.127.927.727.527.327.126.928.430.430.230.029.829.629.429.229.028.828.628.328.127.927.727.527.427.228.630.830.530.330.129.929.729.529.329.128.828.628.4DB11/T1446-2017A17平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.522.822.021.821.721.521.321.221.020.920.720.620.520.320.220.019.919.719.623.022.322.121.921.821.621.521.321.221.020.920.720.620.420.320.120.019.923.222.522.422.222.121.921.821.621.421.321.121.020.820.720.520.420.320.123.422.822.722.522.322.222.021.921.721.621.421.321.121.020.820.720.520.423.623.123.022.822.622.522.322.222.021.821.721.521.421.221.120.920.820.623.823.423.223.122.922.822.622.422.322.122.021.821.621.521.321.221.020.924.023.723.523.423.223.022.922.722.622.422.222.121.921.821.621.521.321.124.224.023.823.723.523.323.223.022.822.722.522.322.222.021.921.721.621.424.424.324.124.023.823.623.423.323.122.922.822.622.522.322.122.021.821.724.624.624.424.224.123.923.723.623.423.223.122.922.722.622.422.322.121.924.824.924.724.524.424.224.023.823.723.523.323.223.022.822.722.522.422.225.025.225.024.824.724.524.324.124.023.823.623.523.323.123.022.822.622.525.225.525.325.124.924.824.624.424.224.123.923.723.623.423.223.122.922.725.425.825.625.425.225.124.924.724.524.424.224.023.823.723.523.323.223.025.626.125.925.725.525.425.225.024.824.624.524.324.124.023.823.623.423.325.826.426.226.025.825.725.525.325.124.924.824.624.424.224.123.923.723.526.026.726.526.326.125.925.825.625.425.225.024.924.724.524.324.224.023.826.227.026.826.626.426.226.125.925.725.525.325.125.024.824.624.424.324.126.427.327.126.926.726.526.426.226.025.825.625.425.325.124.924.724.524.426.627.627.427.227.026.826.726.526.326.125.925.725.525.425.225.024.824.626.827.927.727.527.327.127.026.826.626.426.226.025.825.625.525.325.124.927.028.228.027.827.627.427.327.126.926.726.526.326.125.925.725.625.425.227.228.628.328.127.927.727.627.427.227.026.826.626.426.226.025.825.725.527.428.928.728.528.328.127.927.727.527.327.126.926.726.526.326.125.925.727.629.229.028.828.628.428.228.027.827.627.427.227.026.826.626.426.226.027.829.529.329.128.928.728.528.328.127.927.727.527.327.126.926.726.526.328.029.829.629.429.229.028.828.628.428.228.027.827.627.427.227.026.826.628.230.129.929.729.529.329.128.928.728.528.328.127.927.727.527.327.126.928.430.430.230.029.829.629.429.229.028.828.628.328.127.927.727.527.427.228.630.830.530.330.129.929.729.529.329.128.828.628.428.228.027.827.627.4A18平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.528.831.130.930.630.430.230.029.829.629.429.228.928.728.528.328.127.927.729.031.431.231.030.730.530.330.129.929.729.529.229.028.828.628.428.228.029.231.731.531.331.130.830.630.430.230.029.829.529.329.128.928.728.528.329.432.131.831.631.431.130.930.730.530.330.129.829.629.429.229.028.828.629.632.432.131.931.731.531.231.030.830.630.430.129.929.729.529.329.128.929.832.732.532.232.031.831.631.331.130.930.730.430.230.029.829.629.429.230.033.032.832.632.332.131.931.631.431.231.030.830.530.330.129.929.729.530.233.433.132.932.632.432.232.031.731.531.331.130.830.630.430.230.029.830.433.733.433.233.032.732.532.332.031.831.631.431.130.930.730.530.330.030.634.033.833.533.333.132.832.632.432.131.931.731.431.231.030.830.630.330.834.334.133.933.633.433.132.932.732.432.232.031.831.531.331.130.930.631.034.734.434.233.933.733.533.233.032.832.532.332.131.831.631.431.230.931.235.034.834.534.334.033.833.533.333.132.832.632.432.131.931.731.531.231.435.335.134.834.634.434.133.933.633.433.132.932.732.432.232.031.831.531.635.735.435.234.934.734.434.233.933.733.533.233.032.832.532.332.131.831.836.035.835.535.335.034.834.534.334.033.833.533.333.132.832.632.432.132.036.436.135.835.635.335.134.834.634.334.133.833.633.433.132.932.732.432.236.736.436.235.935.735.435.234.934.734.434.233.933.733.433.233.032.732.437.036.836.536.236.035.735.535.235.034.734.534.234.033.733.533.333.032.637.437.136.836.636.336.135.835.635.335.034.834.534.334.133.833.633.332.837.737.437.236.936.736.436.135.935.635.435.134.934.634.434.133.933.633.038.137.837.537.237.036.736.536.235.935.735.435.234.934.734.434.233.933.238.438.137.937.637.337.136.836.536.336.035.835.535.235.034.734.534.333.438.738.538.237.937.737.437.136.936.636.336.135.835.635.335.134.834.633.639.138.838.538.338.037.737.437.236.936.736.436.135.935.635.435.134.933.839.439.238.938.638.338.137.837.537.237.036.736.536.235.935.735.435.234.039.839.539.238.938.738.438.137.837.637.337.036.836.536.336.035.735.534.240.139.839.639.339.038.738.438.237.937.637.437.136.836.636.336.135.834.440.540.239.939.639.339.138.838.538.238.037.737.437.236.936.636.436.134.640.840.540.340.039.739.439.138.838.638.338.037.7A18平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.528.831.130.930.630.430.230.029.829.629.429.228.928.728.528.328.127.927.729.031.431.231.030.730.530.330.129.929.729.529.229.028.828.628.428.228.029.231.731.531.331.130.830.630.430.230.029.829.529.329.128.928.728.528.329.432.131.831.631.431.130.930.730.530.330.129.829.629.429.229.028.828.629.632.432.131.931.731.531.231.030.830.630.430.129.929.729.529.329.128.929.832.732.532.232.031.831.631.331.130.930.730.430.230.029.829.629.429.230.033.032.832.632.332.131.931.631.431.231.030.830.530.330.129.929.729.530.233.433.132.932.632.432.232.031.731.531.331.130.830.630.430.230.029.830.433.733.433.233.032.732.532.332.031.831.631.431.130.930.730.530.330.030.634.033.833.533.333.132.832.632.432.131.931.731.431.231.030.830.630.330.834.334.133.933.633.433.132.932.732.432.232.031.831.531.331.130.930.631.034.734.434.233.933.733.533.233.032.832.532.332.131.831.631.431.230.931.235.034.834.534.334.033.833.533.333.132.832.632.432.131.931.731.531.231.435.335.134.834.634.434.133.933.633.433.132.932.732.432.232.031.831.531.635.735.435.234.934.734.434.233.933.733.533.233.032.832.532.332.131.831.836.035.835.535.335.034.834.534.334.033.833.533.333.132.832.632.432.132.036.436.135.835.635.335.134.834.634.334.133.833.633.433.132.932.732.432.236.736.436.235.935.735.435.234.934.734.434.233.933.733.433.233.032.732.437.036.836.536.236.035.735.535.235.034.734.534.234.033.733.533.333.032.637.437.136.836.636.336.135.835.635.335.034.834.534.334.133.833.633.332.837.737.437.236.936.736.436.135.935.635.435.134.934.634.434.133.933.633.038.137.837.537.237.036.736.536.235.935.735.435.234.934.734.434.233.933.238.438.137.937.637.337.136.836.536.336.035.835.535.235.034.734.534.333.438.738.538.237.937.737.437.136.936.636.336.135.835.635.335.134.834.633.639.138.838.538.338.037.737.437.236.936.736.436.135.935.635.435.134.933.839.439.238.938.638.338.137.837.537.237.036.736.536.235.935.735.435.234.039.839.539.238.938.738.438.137.837.637.337.036.836.536.336.035.735.534.240.139.839.639.339.038.738.438.237.937.637.437.136.836.636.336.135.834.440.540.239.939.639.339.138.838.538.238.037.737.437.236.936.636.436.134.640.840.540.340.039.739.439.138.838.638.338.037.737.537.236.936.736.4DB11/T1446-2017A19平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.534.841.240.940.640.340.039.739.539.238.938.638.338.137.837.537.337.036.735.041.541.240.940.740.440.139.839.539.238.938.738.438.137.937.637.337.135.241.941.641.341.040.740.440.139.839.639.339.038.738.438.237.937.637.435.442.241.941.641.341.140.840.540.239.939.639.339.138.838.538.238.037.735.642.642.342.041.741.441.140.840.540.239.939.739.439.138.838.538.338.035.843.042.642.342.041.741.441.240.940.640.340.039.739.439.138.938.638.336.043.343.042.742.442.141.841.541.240.940.640.340.039.839.539.238.938.636.243.743.443.042.742.442.141.841.541.241.040.740.440.139.839.539.239.036.444.043.743.443.142.842.542.241.941.641.341.040.740.440.139.839.639.336.644.444.143.843.443.142.842.542.241.941.641.341.040.740.540.239.939.636.844.744.444.143.843.543.242.942.642.342.041.741.441.140.840.540.239.937.045.144.844.544.243.843.543.242.942.642.342.041.741.441.140.840.540.237.245.545.144.844.544.243.943.643.342.942.642.342.041.741.441.140.940.637.445.845.545.244.944.544.243.943.643.343.042.742.442.141.841.541.240.937.646.245.945.545.244.944.644.343.943.643.343.042.742.442.141.841.541.237.846.646.245.945.645.344.944.644.344.043.743.443.142.742.442.141.841.538.046.946.646.345.945.645.345.044.644.344.043.743.443.142.842.542.241.938.247.347.046.646.346.045.645.345.044.744.444.043.743.443.142.842.542.238.447.747.347.046.746.346.045.745.345.044.744.444.143.843.443.142.842.538.648.047.747.447.046.746.446.045.745.445.044.744.444.143.843.543.242.938.848.448.147.747.447.046.746.446.045.745.445.144.844.444.143.843.543.239.048.848.448.147.747.447.146.746.446.145.745.445.144.844.544.143.843.539.249.248.848.548.147.847.447.146.846.446.145.845.445.144.844.544.243.839.449.549.248.848.548.147.847.447.146.846.446.145.845.545.144.844.544.239.649.949.549.248.848.548.247.847.547.146.846.546.145.845.545.244.844.539.850.349.949.649.248.948.548.247.847.547.146.846.546.145.845.545.244.840.050.750.349.949.649.248.948.548.247.847.547.246.846.546.245.845.545.240.251.050.750.349.949.649.248.948.548.247.947.547.246.846.546.245.845.540.451.451.050.750.350.049.649.348.948.648.247.947.547.246.946.546.245.940.651.851.451.150.750.350.049.649.348.948.648.247.9DB11/T1446-2017A19平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.534.841.240.940.640.340.039.739.539.238.938.638.338.137.837.537.337.036.735.041.541.240.940.740.440.139.839.539.238.938.738.438.137.937.637.337.135.241.941.641.341.040.740.440.139.839.639.339.038.738.438.237.937.637.435.442.241.941.641.341.140.840.540.239.939.639.339.138.838.538.238.037.735.642.642.342.041.741.441.140.840.540.239.939.739.439.138.838.538.338.035.843.042.642.342.041.741.441.240.940.640.340.039.739.439.138.938.638.336.043.343.042.742.442.141.841.541.240.940.640.340.039.839.539.238.938.636.243.743.443.042.742.442.141.841.541.241.040.740.440.139.839.539.239.036.444.043.743.443.142.842.542.241.941.641.341.040.740.440.139.839.639.336.644.444.143.843.443.142.842.542.241.941.641.341.040.740.540.239.939.636.844.744.444.143.843.543.242.942.642.342.041.741.441.140.840.540.239.937.045.144.844.544.243.843.543.242.942.642.342.041.741.441.140.840.540.237.245.545.144.844.544.243.943.643.342.942.642.342.041.741.441.140.940.637.445.845.545.244.944.544.243.943.643.343.042.742.442.141.841.541.240.937.646.245.945.545.244.944.644.343.943.643.343.042.742.442.141.841.541.237.846.646.245.945.645.344.944.644.344.043.743.443.142.742.442.141.841.538.046.946.646.345.945.645.345.044.644.344.043.743.443.142.842.542.241.938.247.347.046.646.346.045.645.345.044.744.444.043.743.443.142.842.542.238.447.747.347.046.746.346.045.745.345.044.744.444.143.843.443.142.842.538.648.047.747.447.046.746.446.045.745.445.044.744.444.143.843.543.242.938.848.448.147.747.447.046.746.446.045.745.445.144.844.444.143.843.543.239.048.848.448.147.747.447.146.746.446.145.745.445.144.844.544.143.843.539.249.248.848.548.147.847.447.146.846.446.145.845.445.144.844.544.243.839.449.549.248.848.548.147.847.447.146.846.446.145.845.545.144.844.544.239.649.949.549.248.848.548.247.847.547.146.846.546.145.845.545.244.844.539.850.349.949.649.248.948.548.247.847.547.146.846.546.145.845.545.244.840.050.750.349.949.649.248.948.548.247.847.547.246.846.546.245.845.545.240.251.050.750.349.949.649.248.948.548.247.947.547.246.846.546.245.845.540.451.451.050.750.350.049.649.348.948.648.247.947.547.246.946.546.245.940.651.851.451.150.750.350.049.649.348.948.648.247.947.547.246.946.546.2A20平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.540.852.251.851.451.150.750.350.049.649.348.948.648.247.947.547.246.946.541.052.552.251.851.451.150.750.350.049.649.348.948.648.247.947.547.246.941.252.952.552.251.851.451.150.750.350.049.649.348.948.648.247.947.647.241.453.352.952.652.251.851.451.150.750.350.049.649.348.948.648.247.947.641.653.753.352.952.652.251.851.451.150.750.450.049.649.348.948.648.247.941.854.153.753.352.952.652.251.851.451.150.750.450.049.649.348.948.648.242.054.554.153.753.352.952.652.251.851.451.150.750.350.049.649.348.948.642.254.854.554.153.753.352.952.552.251.851.451.150.750.350.049.649.348.942.455.254.854.554.153.753.352.952.552.251.851.451.150.750.350.049.649.342.655.655.254.854.454.153.753.352.952.552.251.851.451.150.750.350.049.642.856.055.655.254.854.454.053.753.352.952.552.251.851.451.050.750.350.043.056.456.055.655.254.854.454.053.753.352.952.552.151.851.451.050.750.343.256.856.456.055.655.254.854.454.053.653.352.952.552.151.851.451.050.743.457.256.856.456.055.655.254.854.454.053.653.252.952.552.151.751.451.043.657.657.256.856.456.055.655.254.854.454.053.653.252.852.552.151.751.443.858.057.657.156.756.355.955.555.154.754.454.053.653.252.852.552.151.744.058.457.957.557.156.756.355.955.555.154.754.354.053.653.252.852.452.144.258.858.357.957.557.156.756.355.955.555.154.754.353.953.553.252.852.444.459.158.758.357.957.557.156.756.355.955.555.154.754.353.953.553.152.844.659.559.158.758.357.957.557.056.656.255.855.455.054.754.353.953.553.144.859.959.559.158.758.357.857.457.056.656.255.855.455.054.654.253.953.545.0-59.959.559.158.658.257.857.457.056.656.255.855.455.054.654.253.845.2--59.959.559.058.658.257.857.457.056.656.255.855.455.054.654.245.4---59.859.459.058.658.257.757.356.956.556.155.755.354.954.545.6----59.859.459.058.558.157.757.356.956.556.155.755.354.945.8-----59.859.358.958.558.157.757.356.956.556.155.755.346.0------59.759.358.958.558.157.657.256.856.456.055.646.2-------59.759.358.858.458.057.657.256.856.456.046.4--------59.659.258.858.458.057.657.156.756.346.6---------59.659.258.8A20平均回彈值測區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值（mm）0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.540.852.251.851.451.150.750.350.049.649.348.948.648.247.947.547.246.946.541.052.552.251.851.451.150.750.350.049.649.348.948.648.247.947.547.246.941.252.952.552.251.851.451.150.750.350.049.649.348.948.648.247.947.647.241.453.352.952.652.251.851.451.150.750.350.049.649.348.948.648.247.947.641.653.753.352.952.652.251.851.451.150.750.450.049.649.348.948.648.247.941.854.153.753.352.952.652.251.851.451.150.750.450.049.649.348.948.648.242.054.554.153.753.352.952.652.251.851.451.150.750.350.049.649.348.948.642.254.854.554.153.753.352.952.552.251.851.451.150.750.350.049.649.348.942.455.254.854.554.153.753.352.952.552.251.851.451.150.750.350.049.649.342.655.655.254.854.454.153.753.352.952.552.251.851.451.150.750.350.049.642.856.055.655.254.854.454.053.753.352.952.552.251.851.451.050.750.350.043.056.