DB11T 1446-2017回彈法、超聲回彈綜合法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程

DB11/T1446-2017 回彈法、超聲回彈綜合法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程PumpedboundMethodorUltrasonicReboundCombinedMethod2017北京DB11/T1446-2017北京市地方標(biāo)準(zhǔn)回彈法、超聲回彈綜合法檢測(cè)泵送混凝土抗壓強(qiáng)度技術(shù)規(guī)程PumpedboundMethodorUltrasonicReboundCombinedMethod京市建設(shè)工程安全質(zhì)量監(jiān)督總站：北京市質(zhì)量技術(shù)監(jiān)督局1DB11/T1446-2017前言北京市質(zhì)量技術(shù)監(jiān)督局《關(guān)于印發(fā)2014年北京市地方標(biāo)準(zhǔn)制修訂項(xiàng)目計(jì)劃的通2014】36號(hào))的要求，為提高回彈法、超聲回彈綜合法在北京地區(qū)檢測(cè)泵送混凝土質(zhì)量監(jiān)督總站會(huì)同有關(guān)單位進(jìn)行修訂。B京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑面)；附錄E超聲回彈綜合法北京地區(qū)泵送混F聲回彈綜合法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)11測(cè)強(qiáng)曲線的齡期變更為14d~365d；換算強(qiáng)度值范圍變更為15MPa~60MPa；碳化深度值范圍變更為0.0mm~8.0mm；12完善了混凝土強(qiáng)度推定方法。量技術(shù)監(jiān)督局和北京市住房和城鄉(xiāng)建設(shè)委員會(huì)共同負(fù)責(zé)管理，北京市住房和城鄉(xiāng)負(fù)責(zé)實(shí)施，北京市建設(shè)工程安全質(zhì)量監(jiān)督總站負(fù)責(zé)具體技術(shù)內(nèi)容的解釋。執(zhí)行過(guò)程中質(zhì)量第二檢測(cè)所質(zhì)量第五檢測(cè)所有限公司質(zhì)量第三檢測(cè)所有限責(zé)任公司質(zhì)量第六檢測(cè)所有限公司量檢測(cè)所程檢測(cè)試驗(yàn)中心2DB11/T1446-2017檢測(cè)有限責(zé)任公司有限公司檢測(cè)技術(shù)有限責(zé)任公司凝土科學(xué)技術(shù)研究院有限公司本規(guī)程主要起草人員：丁勝?gòu)堄⑸彈钚阍评盍埻趵^武熊軍浩張立軍趙潔段遵莉劉柯李瑞峰王震楊桂林張學(xué)偉凡俊強(qiáng)姚大慶董曉明程越要審查人員：高小旺張仁瑜張?jiān)炙蓾穪?lái)軍艾永祥3DB11/T1446-2017 3回彈儀和超聲波檢測(cè)儀 4 3.2超聲波檢測(cè)儀技術(shù)要求 5 2附錄A回彈法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑側(cè)面) 14附錄B回彈法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑底面) 18附錄C回彈法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑表面) 23附錄D超聲回彈綜合法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑側(cè)面) 28附錄E超聲回彈綜合法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑底面) 34附錄F超聲回彈綜合法北京地區(qū)泵送混凝土測(cè)區(qū)混凝土強(qiáng)度換算表(澆筑表面) 40 4DB11/T1446-2017Contents1GeneralProvisions 12TermsandSymbol 22.1Terms 22.2Symbol 23ReboundHammerandUltrasonicDetector 43.1TechnicalRequirementsofReboundHammer 43.2TechnicalRequirementsofUltrasonicDetector 54TestingTechnology 74.1GeneralRequirements 74.2ReboundValueMeasurement 84.3CarbonationDepthMeasurement 94.4UltrasonicPulseWaveMeasurement 95CalculationofReboundValueandUltrasonicPulseWaveVelocity 106TestingStrengthCurve 117CalculationofCompressiveStrengthforConcrete 12AppendixAConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyReboundMethod(SideSurfaceofCastConcrete) 14AppendixBConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyReboundMethod(LowerSurfaceofCastConcrete) 18AppendixCConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyReboundMethod(UpperSurfaceofCastConcrete) 23AppendixDConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyUltrasonic-ReboundCombinedMethod(SideSurfaceofCastConcrete) 28AppendixEConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyUltrasonic-ReboundCombinedMethod(LowerSurfaceofCastConcrete) 34AppendixFConversionTableofCompressiveStrengthofPumpedConcreteforTestAreabyUltrasonic-ReboundCombinedMethod(UpperSurfaceofCastConcrete) 40ExplanationofWordinginThisSpecification 47ListofQuotedStandards 48Addition:ExplanationofProvisions 491DB11/T1446-20171.0.1為提高回彈法、超聲回彈綜合法在北京地區(qū)檢測(cè)泵送混凝土抗壓強(qiáng)度(以下簡(jiǎn)稱混凝土強(qiáng)度)1.0.2本規(guī)程適用于北京地區(qū)建設(shè)工程泵送普通混凝土強(qiáng)度的檢測(cè)。本規(guī)程不適用于內(nèi)部存在缺陷和1.0.3回彈法、超聲回彈綜合法檢測(cè)泵送混凝土強(qiáng)度除應(yīng)遵守本規(guī)程外，尚應(yīng)符合國(guó)家現(xiàn)行有關(guān)標(biāo)準(zhǔn)2DB11/T1446-20172.1術(shù)語(yǔ)構(gòu)件member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。2測(cè)區(qū)testarea凝土強(qiáng)度時(shí)的一個(gè)檢測(cè)區(qū)域。3測(cè)點(diǎn)testpoint回彈檢測(cè)點(diǎn)。2.1.4回彈法reboundmethod回彈法是用彈簧驅(qū)動(dòng)的重錘，通過(guò)彈擊桿(傳力桿)，彈擊混凝土表面，并測(cè)出重錘被反彈回來(lái)的距定混凝土強(qiáng)度2.1.5超聲回彈綜合法ultrasonic-reboundcombinedmethod2.1.6超聲速度ultrasonicpulsewavevelocity1.7測(cè)區(qū)混凝土強(qiáng)度換算值conversionvalueofconcretecompressivestrengthoftestarea區(qū)強(qiáng)度換算表?yè)Q算得到的測(cè)區(qū)現(xiàn)齡期.8混凝土強(qiáng)度推定值estimationvalueofstrengthforconcrete2.2符號(hào)dm——構(gòu)件測(cè)區(qū)平均碳化深度值。fci——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。fcm0——對(duì)應(yīng)芯樣部位回彈測(cè)區(qū)的混凝土強(qiáng)度換算值的平均值。fcor,i——第i個(gè)混凝土芯樣試件的抗壓強(qiáng)度。fci0——修正前第i個(gè)測(cè)區(qū)的混凝土強(qiáng)度換算值。3DB11/T1446-2017fci1——修正后第i個(gè)測(cè)區(qū)的混凝土強(qiáng)度換算值。fcmin——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。fcs——構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)fcs——構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差。fcRi——測(cè)區(qū)第i個(gè)測(cè)點(diǎn)的回彈值。Rm——測(cè)區(qū)的平均回彈值。li——測(cè)區(qū)第i個(gè)測(cè)點(diǎn)的超聲測(cè)距。ti——測(cè)區(qū)第i個(gè)測(cè)點(diǎn)的聲時(shí)讀數(shù)。DB11/T1446-20173回彈儀和超聲波檢測(cè)儀3.1回彈儀技術(shù)要求回彈儀可為數(shù)字式，也可為指針直讀式。彈儀除應(yīng)符合《回彈儀》GB/T9138的規(guī)定外，尚應(yīng)符合下列規(guī)定：2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”處；3.1.3回彈儀使用的環(huán)境溫度應(yīng)為(-4~40)℃。超過(guò)檢定(校準(zhǔn))有效期限；4經(jīng)保養(yǎng)后，在鋼砧上的率定值不合格；擊或其他損害?；貜梼x率定試驗(yàn)應(yīng)符合下列規(guī)定：；2率定試驗(yàn)應(yīng)在室溫為(5~35)℃的條件下進(jìn)行；物體上；平均值；回彈儀具有下列情況之一時(shí)，應(yīng)進(jìn)行保養(yǎng)：在鋼砧上的率定值不合格；檢測(cè)值有懷疑?；貜梼x的保養(yǎng)應(yīng)符合下列規(guī)定：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、彈擊拉座；5DB11/T1446-20172清潔機(jī)芯各零部件，并應(yīng)重點(diǎn)清理中心導(dǎo)桿、彈擊錘和彈擊桿的內(nèi)孔及沖擊面。清理后，應(yīng)在3清理機(jī)殼內(nèi)壁，卸下刻度尺，檢查指針，其摩擦力應(yīng)為(0.5~0.8)N；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)行維護(hù)；養(yǎng)時(shí)，不得旋轉(zhuǎn)尾蓋上已定位緊固的調(diào)零螺絲，不得自制或更換零部件；。3.1.8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、桿前端球面以及刻度尺表面和外殼?；貜梼x不用時(shí)，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，然后裝入箱。儀器箱應(yīng)平放在干燥陰涼處。當(dāng)數(shù)字式回彈儀長(zhǎng)期不用時(shí)，還應(yīng)取出電池。3.2超聲波檢測(cè)儀技術(shù)要求3.2.1超聲波檢測(cè)儀可為模擬式，也可為數(shù)字式。頻響范圍10kHz~500kHz，總增益不小于80dB，接收靈敏度(在信噪比為3:1時(shí))能；的功能；，在顯示器的接收波形上應(yīng)有光標(biāo)指示聲時(shí)的測(cè)讀位置。2.5換能器的頻率宜在50kHz~100kHz以內(nèi)，實(shí)測(cè)主頻與標(biāo)稱頻率相差應(yīng)不大于±10%。3.2.6超聲波檢測(cè)儀的使用環(huán)境溫度應(yīng)為(0~40)℃。6DB11/T1446-2017超聲波檢測(cè)儀保養(yǎng)應(yīng)符合下列規(guī)定：；不用時(shí)，應(yīng)定期通電排除潮氣；防塵、防震措施。7DB11/T1446-20174檢測(cè)技術(shù)4.1一般規(guī)定4.1.1回彈儀和超聲波檢測(cè)儀應(yīng)在檢定(校準(zhǔn))有效期內(nèi)使用。回彈儀在檢測(cè)前后，均應(yīng)在鋼砧上進(jìn)行4.1.2混凝土強(qiáng)度檢測(cè)前，委托單位宜提供下列技術(shù)資料：型和強(qiáng)度等級(jí)；工模板，混凝土澆筑、養(yǎng)護(hù)情況及澆筑日期等；。.1.5構(gòu)件的測(cè)區(qū)布置應(yīng)符合下列規(guī)定：方向的混凝土澆筑側(cè)面。當(dāng)不具備條件時(shí)，應(yīng)優(yōu)先選在能使的混凝土澆筑表面。測(cè)區(qū)宜布置在構(gòu)件的兩個(gè)對(duì)稱的可測(cè)面上，當(dāng)不能布置在對(duì)稱的可測(cè)面上時(shí)，可布置在同一可測(cè)件。8DB11/T1446-2017區(qū)表面應(yīng)清潔、平整、干燥，不應(yīng)有疏松層、浮漿、油垢、涂層以及蜂窩、麻面。4.1.6當(dāng)檢測(cè)條件與本規(guī)程測(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)強(qiáng)度等級(jí)混凝土修正時(shí)，宜使用直徑為100mm的芯樣，數(shù)量正量及測(cè)區(qū)混凝土強(qiáng)度換算值的修正方法應(yīng)符合下列規(guī)定：△tot=fcor,m－fcm0(4.1.6-1)fcor,fcor,m=?fcor,i(4.1.6-2)fcm0fcm0=?fci(4.1.6-3)ni=1fcormMPa，精確至0.1MPa；fcm0——對(duì)應(yīng)芯樣部位回彈測(cè)區(qū)的混凝土強(qiáng)度換算值的平均值(MPa)，精確至0.1MPa；fcor,i——第i個(gè)芯樣試件的混凝土抗壓強(qiáng)度值(MPa)，精確至0.1MPa；fci——對(duì)應(yīng)第i個(gè)芯樣部位回彈測(cè)區(qū)的混凝土強(qiáng)度換算值(MPa)，精確至0.1MPa；測(cè)區(qū)混凝土強(qiáng)度換算值的修正應(yīng)按下式計(jì)算：fcifci+△tot(4.1.6-4)4.2回彈值測(cè)量4.2.1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?gòu)?fù)時(shí)產(chǎn)生顫動(dòng)的薄壁、小型構(gòu)件應(yīng)進(jìn)行固定。mm件的距離不宜小于30mm；測(cè)點(diǎn)不應(yīng)9DB11/T1446-2017或外露石子上，同一測(cè)點(diǎn)應(yīng)只彈擊一次。4.3碳化深度值測(cè)量區(qū)分別測(cè)量碳化深度值。.3.2測(cè)區(qū)碳化深度值測(cè)量應(yīng)符合下列規(guī)定：mm；清除孔洞中的粉末和碎屑，且不得用水擦洗；3采用濃度為1%~2%的酚酞酒精溶液滴在孔洞內(nèi)壁的邊緣處，當(dāng)已碳化與未碳化界線清晰時(shí)，立4.4超聲測(cè)量4.4.2超聲測(cè)量應(yīng)符合下列規(guī)定：適的換能器和高頻電纜，并對(duì)聲時(shí)值進(jìn)行置零；超聲測(cè)試時(shí)，換能器輻射面應(yīng)通過(guò)耦合劑與混凝土測(cè)試面良好耦合；DB11/T1446-20175回彈值和聲速值計(jì)算下式計(jì)算：R=Ri(5.0.1)m10Rm，精確至0.1；Ri——第i個(gè)測(cè)點(diǎn)的回彈值。測(cè)區(qū)的聲速代表值應(yīng)按下式計(jì)算：v=(5.0.2)DB11/T1446-2017強(qiáng)曲線6.0.1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(cè)強(qiáng)曲線和超聲回彈綜采用普通成型工藝；用符合國(guó)家有關(guān)標(biāo)準(zhǔn)規(guī)定的模板；自然養(yǎng)護(hù)，且混凝土表層為干燥狀態(tài)；5齡期為14d~365d；6抗壓強(qiáng)度為15MPa~60MPa。1平均相對(duì)誤差(d)不應(yīng)大于±14.0%；潮濕或浸水混凝土；DB11/T1446-2017混凝土強(qiáng)度的推定采用回彈法檢測(cè)時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)，可由按本規(guī)程第5.0.1條規(guī)定求1檢測(cè)面為澆筑側(cè)面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄A查表得出或：fc,i=0.210595R486310-0.0062dm(7.0.1-1)2檢測(cè)面為澆筑底面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄B查表得出或：fc,i=0.030685R903010-0.0097dm(7.0.1-2)3檢測(cè)面為澆筑表面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄C查表得出或：fc,i=0.462321R282410-0.0092dm(7.0.1-3)7.0.2采用超聲回彈綜合法檢測(cè)時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)，可由按本規(guī)程第5.0.21檢測(cè)面為澆筑側(cè)面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄D查表得出或：fci=0.059227v1.4968Rm1.1984 2檢測(cè)面為澆筑底面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄E查表得出或：fci=0.015965v2.1545Rm1.2265 3檢測(cè)面為澆筑表面時(shí)，構(gòu)件第i個(gè)測(cè)區(qū)混凝土強(qiáng)度換算值(fci)可由本規(guī)程附錄F查表得出或：fcivRm0.8673 ifif：nni=1imfmfc==1s=fc=1s=fcDB11/T1446-2017 -2)s——構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差(MPa)，精確至0.01MPa；式中ms——構(gòu)件測(cè)區(qū)混凝土強(qiáng)度換算值的標(biāo)準(zhǔn)差(MPa)，精確至0.01MPa；fc7.0.4構(gòu)件的現(xiàn)齡期混凝土強(qiáng)度推定值(fcu,e)應(yīng)符合下列規(guī)定：fcu,e=fcmin式中fcmin——構(gòu)件中最小的測(cè)區(qū)混凝土強(qiáng)度換算值。Pafcu,e=mfc-1.645sfc當(dāng)按批量檢測(cè)時(shí)，應(yīng)按下列公式計(jì)算：fcu,e=mfc-ksfc (7.0.4-1) (7.0.4-3) (7.0.4-4)7.0.5對(duì)按批量檢測(cè)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(shí)，則該批構(gòu)件應(yīng)全部fcuafcufcufcuDB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.5------------------------------------------------------.0.2.4.620.8.0.2.4.0.6.3.021.820.5.4.3.0.020.8.720.5.4.2.0.2.020.8.720.5.4.2.4.4.2.920.8.620.5.4.2.6.721.5.4.2.920.8.620.5.3.2.022.8.021.8.721.5.3.2.0.9.7.620.5.3.2.0.0.3.921.8.621.5.3.2.0.9.7.6.4.3.0.222.5.4.2.921.8.6.4.3.020.8.720.5.4.3.422.8.722.5.3.2.0.9.7.6.4.3.020.8.720.5.4.6.022.8.622.5.3.2.021.8.721.5.4.2.920.8.623.8.4.2.922.8.6.4.3.021.8.621.5.3.2.0.9.0.723.5.4.2.0.9.7.6.4.2.921.8.621.5.3.2.023.8.723.5.3.2.022.8.722.5.3.2.0.9.7.6.4.4.3.023.8.6.4.3.922.8.622.5.3.021.8.7.6.6.4.2.9.7.6.4.2.9.7.6.4.3.924.8.9.724.5.4.2.023.8.723.5.3.2.022.8.722.5.4.2.0.2.024.8.724.5.3.023.8.623.5.3.022.8.622.5DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.5.225.5.3.924.8.6.4.2.9.7.6.4.2.9.7.425.8.6.4.2.9.724.5.4.2.023.8.723.5.3.2.0.6.9.725.5.4.2.024.8.624.5.3.023.8.6.4.325.8.4.2.025.8.725.5.3.924.8.6.4.2.9.723.5.0.726.5.3.925.8.6.4.2.0.9.724.5.3.2.023.8.2.026.8.6.4.2.9.725.5.3.024.8.6.4.3.4.3.9.726.5.4.2.025.8.6.4.3.9.724.5.4.6.6.4.2.026.8.726.5.3.9.725.5.4.2.024.8.626.8.9.727.5.3.026.8.6.4.2.025.8.625.5.3.9.0.2.027.8.6.4.3.9.726.5.3.9.7.6.4.2.2.6.3.9.7.6.4.2.026.8.6.4.2.025.8.725.5.4.9.728.5.3.9.727.5.3.9.726.5.3.9.7.6.2.028.8.6.4.2.027.8.6.4.2.026.8.6.4.2.027.829.5.3.9.728.5.3.9.727.5.3.9.726.5.3.029.8.6.4.2.028.8.6.4.2.027.8.6.4.2.026.8.6.2.9.729.5.3.9.728.5.3.9.727.5.3.9.429.8.6.4.2.028.8.6.3.9.727.5.4.2.630.830.5.9.729.5.328.8.6.4.2.027.8.6.428.829.8.6.4.2.9.728.5.3.9.7.030.5.9.729.5.2.028.8.6.4.2.0.231.530.829.829.5.3.9.728.5.3.431.830.529.8.6.4.2.028.8.6.631.530.8.9.729.5.3.929.832.531.829.8.6.4.232.830.830.5.9.729.531.530.829.832.531.830.533.833.532.830.830.831.831.533.532.832.531.834.834.533.833.532.831.534.831.831.533.532.832.531.831.835.835.534.834.533.833.532.835.834.833.836.836.535.534.533.536.835.834.834.533.832.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.537.837.536.536.836.535.835.534.538.535.834.838.838.533.837.837.536.539.839.537.836.836.535.539.836.835.840.50.238.838.540.840.50.30.038.837.534.81.20.90.60.30.039.537.837.541.51.20.90.70.439.839.51.91.61.31.00.70.439.82.21.91.61.340.840.50.238.838.52.62.32.01.71.440.840.50.238.838.535.83.02.62.32.01.71.41.20.90.60.30.03.33.02.72.441.841.51.20.90.60.30.039.839.53.73.43.02.72.441.841.51.21.00.70.439.839.54.03.73.442.842.52.21.91.61.31.00.70.439.84.443.83.442.842.52.21.91.61.31.00.740.50.236.84.74.443.843.53.22.92.62.32.01.71.440.840.50.244.844.54.243.843.53.22.92.62.32.01.71.440.840.50.245.544.844.54.23.93.63.32.92.62.32.01.71.40.90.645.845.55.24.944.54.23.93.63.33.02.72.441.841.51.20.96.25.945.55.24.94.64.33.93.63.33.02.72.441.841.51.237.86.66.25.95.65.34.94.64.34.03.73.42.72.441.841.56.96.66.35.95.65.35.04.64.34.03.73.442.842.52.21.97.37.06.66.36.05.65.35.04.74.44.03.73.442.842.52.27.77.37.06.76.36.05.75.35.04.74.443.83.442.842.58.07.77.47.06.76.46.05.75.45.04.74.443.843.53.22.938.88.47.77.47.06.76.46.05.75.444.84.443.843.53.248.88.47.77.46.76.45.75.444.844.543.843.59.248.848.547.87.446.86.445.85.444.844.54.243.849.59.248.848.547.87.446.86.445.845.544.844.54.29.949.59.248.848.58.247.847.546.846.545.845.55.244.844.539.89.99.69.28.948.58.247.847.546.846.545.845.55.244.80.09.99.69.28.948.58.247.847.57.246.846.56.245.845.55.20.29.99.69.28.948.58.27.947.57.246.846.56.245.845.50.49.69.38.98.68.27.947.57.26.946.56.25.90.651.89.69.38.98.68.27.947.57.26.946.56.240.851.89.69.38.98.68.27.947.57.26.946.5DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.51.02.551.89.69.38.98.68.27.947.57.26.91.22.551.89.69.38.98.68.27.97.67.21.451.89.69.38.98.68.27.97.61.651.89.69.38.98.68.27.941.851.89.69.38.98.68.22.04.551.89.69.38.98.62.254.84.52.551.89.69.38.92.454.84.52.551.89.69.32.654.82.551.89.642.854.82.551.83.054.82.551.83.256.854.82.551.83.456.854.82.53.656.854.852.82.543.85.552.82.54.07.55.552.84.258.87.55.53.552.84.47.55.53.552.84.69.57.555.83.544.89.557.855.83.55.0-9.557.855.853.85.2--9.557.855.85.4---59.86.54.55.6----59.88.56.545.8-----59.88.56.56.0------8.556.86.2-------58.856.86.4--------58.86.6---------58.87.546.8---------7.57.0----------9.557.87.2-----------9.557.87.4------------59.87.6-------------59.88.547.8--------------8.0---------------8.2----------------8.4----------------DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.5.0----------------.2--------------.4-------------.6------------26.8-----------.0---------.2--------.4-------.6------27.8----.0---.2--.4-.628.8.0.2.4.629.8.4.6.4.230.8.9.6.4.2.0.9.7.4.2.0.4.2.9.720.5.2.0.7.4.2.9.720.5.3.0.9.7.4.2.0.720.5.3.031.8.2.9.721.5.2.0.720.5.322.5.2.0.721.5.2.020.820.5.3.722.5.2.0.721.5.2.020.820.5.3.0.722.5.2.0.721.5.3.020.8.6.3.3.0.722.5.2.021.821.5.3.020.8.6.332.823.5.3.022.822.5.3.021.821.5.3.020.8.6.423.823.5.3.022.822.5.3.021.821.5.320.8.6.423.823.5.3.022.822.5.3.021.821.5.320.8.6.4.423.8.6.3.022.822.5.3.021.821.5.320.8.6.4.6.423.8.6.3.022.822.5.3.021.821.5.320.8.6DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.533.8.9.6.423.8.6.3.022.822.5.3.021.821.5.320.8.2.9.6.423.8.6.3.022.822.5.3.021.821.5.325.5.2.9.6.423.8.6.3.022.822.5.3.021.821.5.325.825.5.2.9.6.423.8.6.3.022.822.5.3.021.821.5.025.825.5.2.9.6.423.8.6.3.022.822.5.3.021.834.8.3.025.825.5.2.9.6.423.8.6.3.022.822.5.3.0.6.3.0.725.5.2.9.6.323.823.5.3.022.822.5.3.9.6.3.0.725.5.2.9.6.323.823.5.3.022.822.5.2.9.6.3.0.7.4.2.9.6.323.823.5.3.022.827.5.2.9.6.3.0.7.4.9.6.323.823.5.3.035.827.827.5.2.9.6.3.0.7.4.9.6.3.023.823.5.227.827.5.2.9.6.3.0.7.424.8.6.3.023.823.5.427.827.526.826.5.3.0.7.424.8.6.3.0.7.7.4.7.426.826.5.2.9.7.424.824.5.3.0.0.7.3.0.7.426.826.5.2.9.6.424.824.5.236.8.3.0.6.3.0.7.426.826.5.2.9.6.324.824.5.6.3.9.6.3.0.7.426.826.5.2.9.6.3.024.8.9.6.2.9.6.3.0.7.3.0.7.4.9.6.3.0.929.5.2.9.6.2.9.6.3.0.7.425.825.5.330.529.829.5.2.928.5.2.9.6.3.0.7.425.825.537.830.830.529.829.5.228.828.5.2.9.6.3.0.7.425.830.829.8.428.828.5.227.827.5.2.9.6.3.030.8.7.428.8.427.827.5.2.9.6.331.8.7.4.0.7.427.827.5.2.9.6.7.3.0.7.4.7.426.838.8.6.3.0.6.3.0.7.4.9.6.3.9.6.3.0.7.430.5.929.5.2.9.6.3.9.631.530.830.529.829.5.228.828.5.2.931.831.530.830.529.829.528.828.5.239.832.531.830.8.7.428.8.40.032.832.5.7.4.0.70.233.532.8.6.3.00.433.833.5.9.6.30.634.533.830.5.929.540.834.531.530.830.529.81.034.832.531.831.530.81.235.532.832.531.81.435.833.532.81.635.833.833.541.836.534.533.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.52.036.834.831.52.236.835.534.832.531.82.437.535.533.532.82.637.835.833.833.542.837.836.534.533.83.038.536.834.834.53.236.835.534.83.438.837.535.533.53.60.40.037.835.833.843.840.80.339.536.534.54.01.20.70.239.838.536.834.84.241.50.638.837.535.54.41.91.40.940.50.035.84.62.241.81.340.80.439.537.836.544.82.61.61.20.70.339.838.536.85.03.042.52.041.50.60.238.85.23.342.82.41.91.41.040.537.55.43.73.22.72.241.81.30.90.439.537.836.55.64.03.62.61.71.20.70.339.838.536.845.84.43.93.43.042.52.041.50.60.238.86.044.84.343.83.342.82.41.91.41.040.537.56.25.24.74.23.73.22.72.241.81.340.80.439.537.86.445.55.044.54.043.52.61.61.20.70.339.838.56.65.95.44.94.43.93.42.942.52.041.50.638.846.86.345.85.344.84.343.83.342.82.31.91.40.940.50.07.06.75.64.63.62.72.21.71.340.80.439.57.27.046.56.045.55.044.54.043.53.042.51.60.70.239.87.47.46.96.45.95.344.84.33.93.42.92.41.941.51.00.67.647.87.36.76.25.75.24.74.23.73.22.72.341.81.30.90.40.047.88.27.66.65.64.63.62.61.71.20.70.38.08.68.047.57.06.45.95.44.94.43.93.43.042.52.041.50.68.29.08.47.97.346.86.345.85.344.84.343.83.342.82.31.91.40.98.49.348.88.27.77.26.75.64.63.63.22.72.21.71.38.69.79.28.67.67.046.56.045.55.044.54.043.53.042.51.648.89.69.048.57.97.46.96.345.85.344.84.343.83.32.92.41.99.00.59.99.448.88.347.87.26.76.25.75.24.74.23.73.22.72.29.249.89.28.77.66.66.045.55.044.54.043.52.69.49.648.58.07.46.96.45.95.44.94.43.93.42.99.69.48.98.347.87.36.76.25.75.24.74.23.73.249.81.549.89.38.78.27.66.65.64.63.62.550.89.648.58.047.56.96.45.95.44.94.43.9DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.549.58.98.447.87.346.86.35.75.24.74.21.549.89.38.78.27.76.65.64.62.550.89.78.68.047.57.06.45.95.44.950.83.549.58.98.447.87.346.86.345.85.24.51.549.89.38.78.27.76.65.62.550.89.78.68.047.57.06.45.93.549.58.98.447.87.346.86.34.51.549.89.38.78.27.76.651.85.52.550.89.78.68.047.57.03.549.58.98.447.87.34.51.549.89.38.78.27.65.52.550.89.648.58.057.86.53.59.48.98.352.84.553.81.549.89.28.75.554.89.69.057.86.552.80.59.49.558.87.553.81.549.854.851.853.8-55.852.80.5--58.87.556.850.8--59.88.53.551.8---4.51.5----56.85.52.554.8----59.857.86.5-----9.558.87.553.8-----54.8------55.8-------7.556.855.8-------59.88.557.8--------4.5--------5.554.8---------6.555.8----------58.87.556.856.8----------59.88.5-----------------------------------------------58.87.557.8-------------59.88.557.8--------------9.5--------------DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.5-------------------------------58.8----------------59.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.5---------------------------------------------------------------------------------------.2.0.4.2.0.720.5.3.020.8.6.3.3.020.8.6.4.2.0.021.5.3.9.7.4.2.0.221.8.6.4.9.720.5.3.4.9.6.4.2.0.720.5.3.6.4.9.721.5.2.020.8.6.320.8.7.4.2.9.721.5.3.020.8.6.4.2.0.0.9.722.5.2.021.821.5.3.9.6.4.2.0.2.2.0.722.5.3.021.8.6.3.9.7.4.2.0.423.5.3.022.822.5.321.8.6.4.9.720.5.3.0.623.823.5.3.022.8.6.321.8.6.4.2.9.720.5.321.823.8.6.322.8.6.3.9.6.4.2.0.720.5.3.0.323.8.6.322.8.6.4.9.7.4.2.020.8.6.2.6.4.9.6.4.9.6.4.2.9.721.5.2.020.8.4.9.7.4.9.6.4.9.7.4.2.9.721.5.3.0.6.2.9.7.4.2.9.7.4.2.9.7.4.2.0.721.5.3DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.522.825.5.2.0.7.4.2.9.7.4.2.9.7.4.2.0.721.5.025.825.5.2.0.7.4.2.9.7.4.2.9.722.5.2.021.8.225.825.5.2.0.724.5.2.9.7.4.2.0.722.5.2.0.4.425.825.5.3.0.724.5.2.0.723.5.2.0.722.5.2.6.6.425.825.5.3.0.724.5.2.0.723.5.2.0.722.523.8.9.6.425.825.5.3.0.724.5.2.0.723.5.2.0.7.0.2.9.7.425.825.5.3.0.724.5.2.0.723.5.2.0.227.5.2.9.7.425.825.5.3.0.724.5.2.0.723.5.2.427.827.5.2.9.7.425.825.5.3.0.724.5.2.0.723.5.627.827.5.2.9.6.425.825.5.3.0.724.5.2.0.724.8.427.827.5.2.9.6.425.825.5.3.0.724.5.2.0.0.7.427.827.5.2.9.6.425.825.5.3.0.724.5.2.2.0.7.427.827.5.2.9.6.325.825.5.3.0.724.5.4.3.0.7.427.827.5.2.9.6.325.825.5.2.0.7.6.6.3.0.6.3.027.827.5.2.9.6.3.025.825.5.2.025.8.9.6.2.9.6.3.0.7.4.2.9.6.3.025.825.5.2.029.829.5.2.9.6.3.0.7.426.8.6.3.0.725.5.230.529.829.5.2.9.6.3.0.7.426.826.5.3.0.7.430.829.829.5.2.9.6.3.0.7.426.826.5.2.0.629.829.528.828.5.2.9.6.426.826.5.226.8.7.428.828.5.2.9.6.3.026.826.5.0.7.428.828.5.2.9.6.3.0.7.2.7.4.7.4.9.6.3.0.4.6.3.0.7.427.827.5.2.631.5.9.6.3.0.7.427.827.527.832.531.831.530.830.5.9.6.3.9.6.3.0.7.032.832.531.831.530.830.529.829.5.2.9.6.3.0.233.532.830.829.829.5.2.9.6.3.433.8.7.428.828.5.6.7.428.828.8.7.3.0.031.5.9.6.3.232.531.831.530.830.5.929.5.433.833.532.831.830.829.8.634.533.829.834.835.535.832.531.831.536.533.532.832.531.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.536.834.533.830.837.534.837.835.835.536.535.832.536.833.833.532.837.534.834.533.831.837.835.534.838.535.836.836.533.50.037.536.834.533.80.339.537.835.534.832.80.60.239.838.535.81.040.538.836.81.340.80.40.037.534.81.61.20.70.337.835.51.941.51.00.60.238.536.535.833.82.241.81.30.940.538.836.82.61.71.240.80.439.537.52.92.42.041.50.70.239.837.83.22.72.341.81.41.040.536.836.543.52.62.21.71.340.80.40.037.534.843.83.42.942.52.01.60.70.337.84.23.73.242.82.31.91.41.00.638.544.54.03.62.62.21.71.30.90.40.038.844.84.33.93.43.042.51.61.20.70.339.537.84.74.23.73.342.82.41.941.51.00.60.238.535.845.55.044.54.03.62.72.241.81.30.940.50.038.845.85.344.84.43.93.43.042.51.61.240.80.339.55.64.74.23.73.342.82.41.941.51.00.60.239.86.46.045.55.044.54.03.62.72.241.81.30.940.50.046.86.345.85.344.84.43.93.43.042.51.61.240.80.339.536.86.65.64.74.23.73.342.82.41.941.51.00.60.239.87.46.96.45.945.55.044.54.03.62.72.241.81.30.940.50.047.87.346.86.345.85.344.84.33.93.43.042.51.61.20.70.37.66.65.64.64.23.73.342.82.31.941.51.00.68.47.97.46.96.45.95.45.044.54.043.52.62.21.71.30.937.88.78.27.77.26.76.25.75.344.84.343.83.42.942.52.01.68.68.047.57.046.55.64.63.73.242.82.31.91.49.48.98.47.97.46.96.45.95.44.94.44.043.52.61.7DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.59.79.28.78.27.77.26.76.25.75.24.74.343.83.32.92.42.049.59.048.58.047.57.046.56.045.55.04.63.63.22.72.338.89.99.348.88.347.87.346.86.345.85.34.94.43.943.53.042.59.79.28.67.66.65.65.24.74.23.73.342.80.549.59.08.47.97.46.96.45.945.55.044.54.03.649.89.348.88.27.77.26.76.245.85.344.84.33.93.49.68.68.047.57.046.56.05.64.63.739.81.59.99.48.98.447.87.346.86.35.95.44.94.44.00.050.89.79.28.78.27.66.66.25.75.24.74.20.249.59.048.58.07.46.946.56.045.55.044.50.42.549.89.348.88.37.77.26.76.345.85.344.80.651.89.68.647.57.046.55.640.853.81.59.99.48.98.447.87.346.86.45.95.41.03.550.89.79.28.77.66.66.25.71.20.549.59.08.47.97.46.96.46.01.454.82.549.89.348.88.27.77.26.76.21.64.552.89.648.58.047.57.046.541.85.51.59.99.448.88.347.87.346.82.055.83.551.89.78.67.62.25.553.80.59.48.98.47.97.42.46.550.89.79.28.78.27.72.656.84.552.849.59.048.58.042.854.82.549.89.348.88.33.07.54.552.89.648.53.257.81.59.99.448.83.455.83.551.89.63.68.55.553.81.50.59.99.443.855.83.550.89.74.056.853.80.54.26.52.550.84.456.84.552.84.6-57.854.82.544.8-7.54.552.85.0--57.854.81.55.2---58.87.55.4---8.55.55.6----58.855.83.545.8----59.88.55.553.86.0-----9.558.855.83.5DB11/T1446-2017值土強(qiáng)度換算值(MPa)0.502.53.5.04.55.56.57.56.2-----59.88.55.553.86.4------9.555.83.56.6------59.85.553.846.8-------9.56.57.0-------59.856.87.2--------9.56.57.4--------56.87.6---------6.547.8---------56.88.0----------6.58.2----------56.88.4-----------6.58.6-----------56.848.8------------9.0------------9.2-------------9.4-------------9.6--------------9.549.8-----------------------------9.5---------------59.8----------------9.5----------------59.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值(km/s)002030405060708090--------------------------------------------------------------------------------------------------------------------------------------------------------.2---20.5---20.8--.4.0--.7.3--.3.0.6-.6.2.9-.2.921.5.2-20.521.8.4.7.4.7.3.0.7.3.0.6.2.9.6.320.821.5.2.9.6.0.421.822.5.2.9.2.0.6.3.0.7.4.2.4.2.9.6.3.0.7.4.6.421.822.5.3.0.720.8.0.7.422.823.5.3.0.0.2.9.6.323.8.6.3DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值(km/s)002030405060708090.2.4.9.6.324.8.6.4.7.4.9.6.4.9.6.2.9.6.4.9.6.4.221.8.4.9.6.4.9.726.5.0.6.4.9.6.4.2.026.8.220.8.6.3.9.7.4.2.4.321.8.6.4.9.726.5.3.620.5.322.8.6.4.2.026.8.622.8.020.821.5.3.9.725.5.3.9.0.2.0.722.5.3.9.7.6.4.2.2.4.2.022.8.6.4.2.026.8.728.5.4.6.4.2.023.8.6.4.3.028.8.620.8.6.4.2.0.9.726.5.4.223.8.321.8.723.5.3.026.8.728.5.4.020.5.3.9.724.5.4.2.928.8.7.2.721.5.3.924.8.626.5.3.2.4.9.722.5.3.2.0.9.7.628.5.4.6.3.9.7.6.4.3.0.928.8.724.820.5.3.023.8.625.5.4.3.2.0.721.5.3.2.0.925.8.627.5.4.3.2.9.722.5.4.3.0.927.8.7.631.5.4.922.8.624.5.4.3.2.0.930.831.8.6.3.023.8.7.626.5.4.3.325.821.5.3.2.025.826.8.7.629.530.5.0.722.5.4.3.2.0.9.929.830.8.2.9.7.624.5.4.3.2.2.4.023.8.7.6.627.5.4.4.6.3.2.0.926.8.7.7.726.822.5.4.3.2.0.0.9.0.7.624.5.4.3.3.2.2.2.923.8.7.6.627.528.529.530.531.532.533.534.5.4.0.9.926.827.828.8.733.834.8.6.3.2.0.027.823.5.4.4.3.3.3.3.0.7.6.626.527.528.529.530.531.5.2.924.825.826.827.828.829.830.831.832.8.4.0.0.0.0.6.3.3.2.2.2.234.528.824.525.526.527.528.529.530.534.8DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值(km/s)002030405060708090.0.7.7.7.7.7.730.831.8.2.9.9.9.9.936.5.4.234.536.8.6.3.3.3.4.430.531.534.829.825.526.5.6.6.731.838.5.726.827.828.8.936.538.8.9.0.034.536.8.2.2.331.534.8.4.428.529.532.830.8.6.6.729.836.526.827.8.934.536.80.4.0.032.539.50.7.2.3.330.539.81.0.428.5.631.836.51.331.8.6.729.835.50.41.627.8.933.535.80.71.9.032.538.51.02.2.2.330.532.838.80.01.32.6.4.637.80.31.62.932.8.629.834.50.61.93.228.833.50.92.243.533.81.242.543.8.332.80.241.542.829.531.835.540.541.844.533.8.734.539.540.83.444.8.933.538.539.82.43.732.537.538.81.42.75.431.536.537.80.41.73.04.45.730.535.50.62.03.34.76.034.80.92.33.65.06.41.22.63.95.36.737.538.841.542.84.25.67.036.537.80.441.844.55.97.332.80.73.444.86.27.635.831.81.02.33.746.58.038.51.22.64.05.446.88.333.534.838.841.52.94.35.77.28.60.441.83.24.66.047.58.90.743.54.96.347.89.3DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值(km/s)00203040506070809036.835.536.80.92.343.85.26.69.639.81.22.64.045.56.98.49.941.52.94.345.87.28.733.534.80.31.73.24.647.59.00.537.80.62.03.44.96.47.99.437.840.82.33.75.26.78.29.735.542.54.045.57.048.51.538.51.442.84.345.87.348.851.838.80.21.64.66.07.634.80.41.93.444.86.37.99.42.538.837.80.73.66.69.752.839.50.92.43.95.46.98.435.51.22.74.25.77.28.73.538.50.01.42.94.46.047.59.053.838.80.21.73.24.76.247.89.32.539.837.540.51.943.55.046.59.652.84.50.037.80.72.23.75.246.88.49.91.554.80.236.539.50.942.54.045.58.651.83.50.436.81.22.74.245.87.48.90.553.80.61.43.044.57.69.250.82.555.840.80.21.73.244.86.37.949.552.81.00.41.943.55.06.68.249.81.20.62.23.75.36.948.556.81.40.92.44.05.648.81.62.74.245.87.49.041.839.81.42.944.57.79.357.82.038.50.01.63.24.76.38.09.62.20.341.83.45.06.68.29.92.440.53.65.36.948.53.52.60.72.33.945.548.80.542.81.042.545.87.43.01.242.84.46.07.79.34.53.239.81.43.04.66.37.99.654.86.5-3.41.63.34.946.58.29.956.8-3.60.31.943.546.848.5-43.840.53.75.47.08.77.5-4.00.72.34.05.67.39.02.557.8-4.20.92.64.25.97.69.34.5-4.41.242.844.547.849.554.8--DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值(km/s)0020304050607080904.61.43.04.76.449.81.5--44.81.63.34.96.68.351.8--5.041.843.55.26.98.67.5--5.23.75.48.957.8--5.42.34.05.77.44.5--5.642.54.25.97.69.4---45.82.74.47.99.6---6.03.04.76.49.93.5---6.23.24.96.68.453.87.5---6.43.46.98.657.8---6.63.65.48.92.5---46.843.85.67.352.86.5----7.045.87.69.456.8----7.24.347.89.61.5----7.444.56.39.9----7.64.746.58.353.8----47.85.046.88.6----8.05.27.048.82.5-----8.25.47.252.88.5-----8.45.747.59.358.8-----8.65.97.749.5-----48.87.949.85.5-----9.06.38.253.8-----9.26.68.4-----9.446.88.60.5------9.67.08.950.88.5------49.87.256.858.8------47.59.3------7.79.61.5------7.949.8------------50.88.4-------8.60.52.54.56.58.5-------48.850.858.8--------------9.3-------51.849.51.53.55.57.5-------49.857.8---------------DB11/T1446-2017值土強(qiáng)度換算值(MPa)速值