铁路工程结构混凝土强度检测规程

同条件养护试件法8.1一般规定8.1.1本方法主要用于涉及混凝土结构安全的重要部位的结构混凝土强度检测。8.1.2同条件养护试件的标准成型方法及强度试验方法均应符合现行《普通混凝土力学性能试验方法标准》GB/T50081的有关规定。采用蒸汽养护的构件，其试件应随构件同条件养护至规定龄期。8.1.3梁体、墩台身、隧道的衬砌及底板等重要部位的混凝土应制作抗压强度同条件养护试件。8.2同条件养护试件的留置和养护8.2.1按8.1.3条要求的混凝土结构部位，在混凝土施工时均应留置同条件养护试件。8.2.2同条件养护试件的取样应具有代表性，同一强度等级同条件养护试件的留置组数应根据结构重要性和混凝土工程量确定。对桥梁每片（孔）梁不宜少于5组，且不应少于2组；墩台身、隧道衬砌每200m、底板每500m按不同强度等级每次施工不宜少于2组。8.2.3同条件养护试件应在混凝土浇筑地点取样。8.2.4同条件养护试件拆模后，应放置在靠近相应结构部位的适当位置，采取与结构部位相同的养护方法，且应采取可靠的保护措施，保证同条件养护试件不丢失和损坏。8.3等效养护龄期8.3.1同条件养护试件的等效养护龄期应根据同条件养护试件强度与在标准养护条件下规定龄期试件强度相等的原则确定。8.3.2同条件养护试件的等效养护龄期，可根据结构所处环境气温和养护条件按下列规定确定：1对于标准条件养护法试件试验龄期分别为28d、56d的，其同条件养护法试件的逐日累计温度分别为600℃·d、1200℃·d（不计0℃及以下的龄期）；2等效养护龄期不应小于14d。8.3.3冬期施工、蒸汽养护的混凝土结构，其同条件养护试件的等效养护龄期应根据结构的实际养护条件，按第8.3.1条的原则确定。8.3.4同条件养护试件的养护温度记录应按附录N表填写记录。8.4混凝土强度的折算和评定8.4.1同条件养护试件应在达到确定的等效养护龄期时，进行抗压强度试验。8.4.2同条件养护试件的强度代表值应除以0.88系数后，根据强度试验结果按现行《铁路混凝土强度检验评定标准》TB10425评定。PAGE409贯入式混凝土强度检测法9.1一般规定9.1.1贯入式混凝土强度检测方法适用于快速检测铁路喷射混凝土24h的抗压强度，检测结果可作为评价混凝土质量的一个主要依据。9.1.2本检测方法应建立与喷射混凝土原材料、配合比和施工工艺相匹配的专用测强曲线。9.2主要仪器9.2.1贯入式混凝土强度检测仪由贯入仪主机、加力杆、深度测量尺、测钉座螺母旋紧扳手、测钉量规及附件等组成（见图9.2.1）。图9.2.1贯入式混凝土强度检测仪结构图1.主机2.贯入杆3.工作弹簧4.调整螺母5.把手6.加力槽7.扳机8.挂钩9.测钉座10.扁头11.测钉12.加力杆9.2.2贯入仪技术参数1贯入力：1000±8N，工作冲程：20±0.1mm；2测钉直径：3.10±0.01mm，测钉长度：35.0±0.1mm，测钉钉尖长度：5.0±0.01mm（测钉尖角度34°），测钉洛氏硬度HRC：62～66。3深度测量尺量程：40mm，精度0.01mm；4量规槽34.5±0.1mm。9.2.3检测环境温度应为0～40℃。9.2.4贯入仪、测钉、测钉量规、深度测量尺应具有产品出厂合格证及计量检定证书。9.2.5贯入仪使用注意事项：1在加力状态下，贯入端方向严禁对着自己或他人，以防发生安全事故；2在未装贯入钉前应避免加力弹射，以防损坏测钉座；3仪器使用后及时清理表面灰尘；4仪器应存放在通风干燥、无腐蚀气体处，以防锈蚀。9.2.6贯入仪应每12个月对其贯入力进行校准。9.3混凝土强度的贯入检测9.3.1检测前，应将混凝土表面打磨平整，并清除表面灰尘。9.3.2喷射混凝土应每一作业循环或每工班检测一次，每次2个测区。测区面积不应大于0.04m2，相邻两测区的间距不宜小于0.3m，且不宜大于2m。测区应避开蜂窝、麻面、钢筋和预埋件等。9.3.3测点在测区内宜均匀分布，相邻两测点的净距不宜小于30mm；测点距外露钢筋、预埋件的距离不宜小于50mm。9.3.4检测时，将贯入仪轴线与混凝土测试面垂直，用力握住把手，防止反冲。扣动扳机，使贯入仪自由释放能量。移开贯入仪，用吹风器吹净测孔，测量贯入深度值，每一测区应记取7个贯入深度值，读数精确至0.01mm，按本规程附录P.0.1-1表填写记录。9.3.5在检测过程中，应随时检查测钉的磨损情况，当测钉能通过量规槽时，应更换测钉。9.3.6当发生下列情况之一时，将该值舍去，在其附近补测一个测点。1贯入到钢筋或预埋件上时；2贯入到集料、蜂窝或孔隙内时；3检测值异常偏高或偏低时。9.4混凝土抗压强度换算及推定9.4.1计算每一测区平均贯入深度时，应剔除7个值中的最大和最小值，剩余5个值的平均值作为该测区平均贯入深度。（9.4.1）式中La——测区贯入深度平均值，精确至0.01mm；Li——第i个测点的贯入深度。9.4.2根据专用测强曲线推算测区平均贯入深度值的混凝土抗压强度值，精确至0.1MPa。9.4.3无专用测强曲线时，可参照下式回归方程计算：f＝27.48−2.51H（9.4.2）式中f——喷射混凝土强度测定代表值（MPa）；H——贯入仪深度测定代表值（mm）。9.4.4按本规程附录P.0.1-2表填写检测报告。

附录A钻芯法检测现场操作记录、抗压强度试验记录、试验报告及推定区间系数表表A.0.1钻芯法检测现场操作记录委托单位构件名称工程名称施工日期取芯部位取芯日期钻进时间钻进深度（m）芯样编号芯样直径（mm）芯样长度（mm）芯样外观质量描述及制作试件编码号附图或照片记录复核

表A.0.2钻芯法芯样抗压强度试验记录委托单位记录编号工程名称委托编号构件名称取芯日期取芯部位试验日期仪器设备及环境条件仪器设备名称型号管理编号示值范围分辨率温度（℃）相对湿度（%）样品状态描述采用标准工程概况混凝土设计强度等级粗骨料品种规格施工单位施工日期芯样钻取加工情况端面加工方法端面补平材料含水状态含有钢筋情况数量外观描述直径抗压试验龄期（d）位置芯样试件编号芯样尺寸（mm）承压面积（mm2）破坏荷载（kN）抗压强度（MPa）平均直径高度单个值组代表值结构混凝土强度推算值（MPa）附注：试验计算复核表A.0.3钻芯法评定混凝土强度检测报告委托单位报告编号工程名称记录编号构件名称取芯日期取芯部位报告日期工程概况混凝土设计强度等级粗骨料品种规格施工单位施工日期芯样钻取加工情况端面加工方法端面补平材料含水状态含有钢筋情况数量外观描述直径抗压试验龄期（d）位置芯样试件抗压强度试验结果芯样编号芯样尺寸（mm）承压面积（mm2）破坏荷载（kN）抗压强度（MPa）平均直径高度单个值组代表值结构混凝土强度推算值（MPa）附图或照片：（可另附页）试验前芯样平整度和试验后芯样照片：（可另附页）检测评定依据：试验结论：试验复核批准单位（章）PAGE49表A.0.4推定区间系数表A.0.4.1k1宜为置信度为0.90，错判概率为0.05条件下的限值系数；k2宜为置信度为0.90，漏判概率为0.05条件下的限值系数。当采用小直径芯样试件时，k1可为置信度为0.85，错判概率为0.05条件下的限值系数；k2可为置信度为0.85，漏判概率为0.10条件下的限值系数。A.0.4.2试件数与上限值系数k1、下限值系数k2的关系可按表A.0.4取值。表A.0.4上、下限值系数表试件数nk1（0.05）k2（0.05）k2（0.10）试件数nk1（0.05）k2（0.05）k2（0.10）101.017302.910962.56837401.296572.125492.01027111.041272.814992.50262411.300352.118312.00494121.062472.736342.44825421.303992.111421.99983131.081412.670502.40240431.307522.104811.99493141.098482.614432.36311441.310942.098461.99021151.113972.566002.32898451.314252.092351.98567161.128122.523662.29900461.317462.086481.98130171.141122.486262.27240471.320582.080811.97708181.153112.452952.24862481.323602.075351.97302191.164232.423042.22720491.326532.070081.96909201.174582.396002.20778501.329392.064991.96529211.184252.371422.19007601.354122.022161.93327221.193302.348962.17385701.373641.989871.90903231.201812.328322.15891801.389591.964441.88988241.209822.309292.14510901.402941.943761.87428251.217392.291672.132291001.414331.926541.86125261.224552.275302.120371101.424211.911911.85017271.231352.260052.109241201.432891.899291.84059281.237802.245782.098811301.440601.888271.83222291.243952.232412.089031401.447501.878521.82481301.249812.219842.079821501.453721.869841.81820311.255402.208002.071131601.459381.862031.81225321.260752.196822.062921701.464561.854971.80686331.265882.186252.055141801.469311.848541.80196341.270792.176232.047761901.473701.842651.79746351.275512.166722.040752001.477771.837241.79332361.280042.157682.034072501.494431.815471.77667371.284412.149062.027713001.506871.799641.76454381.288612.140852.021644001.524531.777761.74773391.292662.133002.015835001.536711.763051.73641附录B回弹法非水平方向检测时回弹值的修正值及不同浇筑面上回弹值的修正值表B.0.1回弹法非水平方向检测时回弹值的修正值Rmα检测角度向上向下90°60°45°30°-30°-45°-60°-90°2021222324-6.0-5.9-5.8-5.7-5.6-5.0-4.9-4.8-4.7-4.6-4.0-4.0-3.9-3.9-3.8-3.0-3.0-2.9-2.9-2.8+2.5+2.5+2.4+2.4+2.3+3.0+3.0+2.9+2.9+2.8+3.5+3.5+3.4+3.4+3.3+4.0+4.0+3.9+3.9+3.82526272829-5.5-5.4-5.3-5.2-5.1-4.5-4.4-4.3-4.2-4.1-3.8-3.7-3.7-3.6-3.6-2.8-2.7-2.7-2.6-2.6+2.3+2.2+2.2+2.1+2.1+2.8+2.7+2.7+2.6+2.6+3.3+3.2+3.2+3.1+3.1+3.8+3.7+3.7+3.6+3.63031323334-5.0-4.9-4.8-4.7-4.6-4.0-4.0-39-3.9-3.8-3.5-3.5-3.4-3.4-3.3-2.5-2.5-2.4-2.4-2.3+2.0+2.0+1.9+1.9+1.8+2.5+2.5+2.4+2.4+2.3+3.0+3.0+2.9+2.9+2.8+3.5+3.5+3.4+3.4+3.33536373839-4.5-4.4-4.3-4.2-4.1-3.8-3.7-3.7-3.6-3.6-3.3-3.2-3.2-3.1-3.1-2.3-2.2-2.2-2.1-2.1+1.8+1.7+1.7+1.6+1.6+2.3+2.2+2.2+2.1+2.1+2.8+2.7+2.7+2.6+2.6+3.3+3.2+3.2+3.1+34.0-4.0-3.9-3.9-3.8-3.5-3.5-3.4-3.4-3.3-3.0-3.0-2.9-2.9-2.8-2.0-2.0-1.9-1.9-1.8+1.5+1.5+1.4+1.4+1.3+2.0+2.0+1.9+1.9+1.8+2.5+2.5+2.4+2.4+2.3+3.0+3.0+2.9+2.9+2.8454647484950-3.8-3.7-3.7-3.6-3.6-3.5-3.3-3.2-3.2-3.1-3.1-3.0-2.8-2.7-2.7-2.6-2.6-2.5-1.8-1.7-1.7-1.6-1.6-1.5+1.3+1.2+1.2+1.1+1.1+1.0+1.8+1.7+1.7+1.6+1.6+1.5+2.3+2.2+2.2+2.1+2.1+2.0+2.8+2.7+2.7+2.6+2.6+2.5注：1.Pmα小于20或大于50时，均分别按20或50查表；2.表中未列入的相应于Rmα的修正值Rmα，可用内插法求得，精确至0.1MPa。表B.0.2回弹法不同浇筑面上回弹值的修正值Rtm或Rbm顶面修正植（Rta）底面修正值（Rba）Rtm或Rbm顶面修正植（Rta）底面修正值（Rba）20+2.5-3.036+0.9-1.421+2.4-2.937+0.8-1.322+2.3-2.838+0.7-1.223+2.2-2.739+0.6-1.124+2.1-2.640+0.5-1.025+2.0-2.541+0.4-0.926+1.9-2.442+0.3-0.827+1.8-2.343+0.2-0.728+1.7-2.244+0.1-0.629+1.6-2.1450-0.530+1.5-2.0460-0.431+1.4-1.9470-0.332+1.3-1.8480-0.233+1.2-1.7490-0.134+1.1-1.6500035+1.0-1.5注：1.Rtm或Rbm小于20或大于50时，均分别按20或50查表；2.表中有关混凝土浇筑顶面的修正系数，是指一般原浆抹面的修正值；3.表中有关混凝土浇筑底面的修正系数，是指构件底面与侧面采用同一类模板在正常浇筑情况下的修正值；4.表中未列入的相应于Rtm或Rbm的Rta或Rba值，可用内插法得，精确至0.1MPa。

附录C回弹法专用测强曲线的制定方法C.0.1制定专用测强曲线的试件应与欲测结构或构件的原材料（含品种、规格）、成型工艺和养护方法等相同。C.0.2试件的制作、养护应符合下列规定：1按5个强度等级分别设计最佳配合比，每一强度等级每一龄期制作6个边长为150mm的立方体试件，同一龄期试件宜在同一天内成型完毕；2在成型后的第2天，应将试件移至与被测结构或构件相同的条件下养护，试件拆模日期宜与结构或构件的拆模日期相同。C.0.3试件的测试应符合下列规定：1到达龄期的试件表面应擦净，以浇筑侧面的两个相对面置于压力机的上下承压板之间，加压30～80kN（低强度试件取低值加压）；2在试件保持30～80kN的压力下，用符合本规程第5.2.1条规定的标准状态的回弹仪和本规程第5.3.1条规定的操作方法，在试件的另外两个相对侧面上分别选择均匀分布的8个点按本规程第5.3.2条的要求进行弹击；3从每一试件的16个回弹值中分别剔除3个最大值和3个最小值，然后再求余下10个回弹值的平均值，计算精确至0.1，即得该试件的平均回弹值Rm；4将试件加荷直至破坏，然后计算试件的抗压强度值fcu（MPa），精确至0.1MPa。C.0.4专用测强曲线的计算应符合下列规定：1专用测强曲线的回归方程式，应按每一试件求得的Rm和fcuc（MPa）数据，采用最小二乘法原理计算；2回归方程宜采用下式：=ARmB（C.0.4-1）3用下式计算回归方程式的强度平均相对误差δ和强度相对标准差er，当δ和er均符合本规范第5.4.1条的规定时，即可报请上级主管部门审批。（C.0.4-2）（C.0.4-3）式中δ——回归方程式的强度平均相对误差（%），精确至0.1；er——回归方程式的强度相对标准差（%），精确至0.1；——由第i个试件抗压试验得出的混凝土抗压强度值（MPa），精确至0.1MPa。——由同一试件的平均回弹值Rm按回归方程式算出的混凝土的强度换算值（MPa），精确至0.1MPa；n——制定回归方程式的试件数。C.0.5当需制定具有较宽龄期范围的专用测强曲线时，应在试验及回归分析时引入碳化深度变量，并求得碳化深度修正系数。

附录D回弹法测区混凝土强度换算表表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥620.010.310.1－－－－－－－－－－－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－－－－－－－－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－－－－23.013.713.413.012.612.111.611.210.810.510.1－－－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－－23.614.414.113.713.212.712.211.811.411.110.710.410.1－23.814.614.313.913.412.812.412.011.511.210.810.510.2－24.014.914.614.213.713.112.712.211.811.511.010.710.410.124.215.114.814.313.913.312.812.411.911.611.210.910.610.324.415.415.114.614.213.613.112.612.211.911.411.110.810.424.615.615.314.814.413.713.312.812.312.011.511.210.910.624.815.915.615.114.614.013.513.012.612.211.811.411.110.725.016.215.915.414.914.313.813.312.812.512.011.711.310.925.216.416.115.615.114.413.913.413.012.612.111.811.511.025.416.716.415.915.414.714.213.713.212.912.412.011.711.225.616.916.616.115.714.914.413.913.413.012.512.211.811.325.817.216.916.315.815.114.614.113.613.212.712.412.011.526.017.517.216.616.115.414.914.413.813.513.012.612.211.626.217.817.416.916.415.715.114.614.013.713.212.812.411.826.418.017.617.116.615.815.314.814.213.913.313.012.612.026.618.317.917.416.816.115.615.014.414.113.513.212.812.126.818.618.217.717.116.415.815.314.614.313.813.412.912.327.018.918.518.017.416.616.115.514.814.614.013.613.112.427.219.118.718.117.616.816.215.715.014.714.113.813.312.627.419.419.018.417.817.016.415.915.214.914.314.013.412.727.619.719.318.718.017.216.616.115.415.114.514.113.612.927.820.019.619.018.217.416.816.315.615.314.714.213.713.028.020.319.719.218.417.617.016.515.815.414.814.413.913.228.220.620.019.518.617.817.216.716.015.615.014.614.013.3续表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥628.420.920.319.718.818.017.416.916.215.815.214.814.213.528.621.220.620.019.118.217.617.116.416.015.415.014.313.628.821.520.920.219.418.517.818.316.616.215.615.214.513.829.021.821.120.519.618.718.117.516.816.415.815.414.613.929.222.121.420.819.919.018.317.717.016.616.015.614.814.129.422.421.721.120.219.318.617.917.216.816.215.815.014.229.622.722.021.320.419.518.818.217.517.016.416.015.114.429.823.022.321.620.719.819.118.417.717.216.616.215.314.530.023.322.621.921.020.019.318.617.917.416.816.415.414.730.223.622.922.221.220.319.618.918.217.617.016.615.614.930.423.923.222.521.520.619.819.118.417.817.216.815.815.130.624.323.622.821.920.920.219.418.718.017.517.016.015.230.824.623.923.122.121.220.419.718.918.217.717.216.215.431.024.924.223.422.421.420.719.919.218.417.917.416.415.531.225.224.423.722.721.720.920.219.418.618.117.616.615.731.425.624.824.123.022.021.220.519.718.918.417.816.915.831.625.925.124.323.322.321.520.719.919.218.618.017.116.031.826.225.424.623.622.521.721.020.219.418.918.217.316.232.026.525.724.923.922.822.021.220.419.619.118.417.516.432.226.926.125.324.223.122.321.520.719.919.418.617.716.632.427.226.425.624.523.422.621.820.920.119.618.817.916.832.627.626.825.924.823.722.922.121.320.419.919.018.117.032.827.927.126.225.124.023.222.321.520.620.119.218.317.233.028.227426.525.424.323.422.621.720.920.319.418.517.433.228.627.726.825.724.623.722.922.021.220.519.618.717.633.428.928.027.126.024.924.023.122.321.420.719.818.917.833.629.328.427.426.425.224.223.322.621.720.920.019.118.033.829.628.727.726.625.424.423.522.821.921.120.219.318.234.030.029.128.026.825.625.623.723.022.121.320.419.518.334.230.329.428.327.025.824.823.923.222.321.520.619.718.434.430.729.828.627.226.025.024.123.422.521.720.819.818.634.631.130.228.927.426.225.224.323.622.721.921.020.018.834.831.430.529.227.626.425.424.523.822.922.121.220.219.035.031.830.829.628.026.725.824.824.023.222.321.420.419.235.232.131.129.928.227.026.025.024.223.422.521.620.619.435.432.531.530.228.627.326.325.424.423.722.821.820.819.6续表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥635.632.931.930.629.027.626.625.724.724.023.022.021.019.835.833.332.331.029.328.027.026.025.024.323.322.221.220.036.033.632.631.229.628.227.226.225.224.523.522.421.420.236.234.033.031.629.928.627.526.525.524.823.822.621.620.436.434.433.432.030.328.927.926.825.825.124.122.821.820.636.634.833.832.430.629.228.227.126.125.424.423.022.020.936.835.234.132.731.029.628.527.526.425.724.623.222.221.137.035.534.433.031.229.828.827.726.625.924.823.422.421.337.235.934.833.431.630.229.128.026.926.225.123.722.621.537.436.335.233.831.930.529.428.327.226.525.424.022.921.837.636.735.634.132.330.829.728.627.526.825.724.223.122.037.837.136.034.532.631.230.028.927.827.126.024.523.422.338.037.536.434.933.031.530.329.228.127.426.224.823.622.538.237.936.835.233.431.830.629.528.427.726.525.023.923.738.438.337.235.633.732.130.929.828.728.026.825.324.123.038.638.737.536.034.132.431.230.129.028.327.025.524.423.238.839.137.936.434.432.731.530.429.328.527.225.824.623.539.039.538.236.734.733.031.830.629.628.827.426.024.823.739.239.938.537.035.033.332.130.829.829.027.626.225.024.039.440.338.837.335.333.632.431.030.029.227.826.425.224.239.640.739.137.635.633.932.731.230.229.428.026.625.424.439.841.239.638.035.934.233.031.430.529.728.226.825.624.740.041.639.938.336.234.533.331.730.830.028.427.025.825.040.242.040.338.636.534.833.632.031.130.228.627.326.025.240.442.440.739.036.935.133.932.331.430.528.827.626.225.440.642.841.139.437.235.434.232.631.730.829.127.826.525.740.843.341.639.837.735.734.532.932.031.229.428.126.826.041.043.742.040.238.036.034.833.232.331.529.728.427.126.241.244.142.340.638.436.335.133.532.631.830.028.727.326.541.444.542.740.938.736.635.433.832.932.030.328.927.626.741.645.043.241.439.236.935.734.233.332.430.629.227.927.041.845.443.641.839.537.236.034.533.632.730.929.528.127.242.045.944.142.239.937.636.334.934.033.031.229.828.527.542.246.344.442.640.338.036.635.234.333.331.530.128.727.842.446.744.843.040.638.336.935.534.633.631.830.429.028.042.647.245.343.441.138.737.335.934.934.032.130.729.328.3续表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥642.847.645.743.841.439.037.636.235.234.332.430.929.528.643.048.146.244.241.839.438.036.635.634.632.731.329.828.943.248.546.644.642.239.838.336.935.934.933.031.530.129.143.449.047.045.142.640.238.737.236.335.333.331.830.429.443.649.447.445.443.040.539.037.536.635.633.632.130.629.643.849.947.945.943.440.939.437.936.935.933.932.430.929.944.050.448.446.443.841.339.838.337.336.334.332.831.230.244.250.848.846.744.241.740.138.637.636.634.533.031.530.544.451.349.247.244.642.140.539.038.036.934.933.331.830.844.651.749.647.645.042.440.839.338.337.235.233.632.131.044.852.250.148.045.442.841.239.738.637.635.533.932.431.345.052.750.648.545.843.241.640.139.037.935.834.332.731.645.253.251.148.946.343.642.040.439.438.336.234.633.031.945.453.651.549.446.644.042.340.739.738.636.434.833.232.245.654.151.949.847.144.442.741.140.039.036.835.233.532.545.854.652.450.247.544.843.141.540.439.337.135.533.932.846.055.052.850.647.945.243.541.940.839.737.535.834.233.146.255.553.351.148.345.543.842.241.140.037.736.134.433.346.456.053.851.548.745.944.242.641.440.338.136.434.733.646.656.554.252.049.246.344.642.941.840.738.436.735.033.946.857.054.752.449.646.745.043.342.241.038.837.035.334.247.057.555.252.950.047.245.243.742.641.439.137.435.634.547.258.055.753.450.547.645.844.142.941.839.437.736.034.847.458.526.253.850.948.046.244.543.342.139.838.036.335.147.659.056.654.351.348.446.644.843.742.540.138.436.635.447.859.557.154.751.848.847.045.244.042.840.538.736.935.748.060.057.655.252.249.247.445.644.443.240.839.037.236.048.2－58.055.752.649.647.846.044.843.641.139.337.536.348.4－58.656.153.150.048.246.445.143.941.539.637.836.648.6－59.056.653.550.448.646.745.544.341.840.038.136.948.8－59.557.154.050.949.047.145.944.642.240.338.437.249.0－60.057.554.451.349.447.546.245.042.540.638.837.549.2－－58.054.851.749.847.946.645.442.841.039.137.849.4－－58.555.352.150.248.347.145.843.241.339.438.249.6－－58.955.752.550.648.747.446.243.641.739.738.549.8－－59.456.253.051.049.147.846.543.942.040.138.8续表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥650.0－－59.956.753.451.449.548.246.944.342.340.439.150.2－－－57.153.851.949.948.547.244.642.640.739.450.4－－－57.654.352.350.349.047.745.043.041.039.750.6－－－58.054.752.750.749.448.045.443.441.440.050.8－－－58.555.153.151.149.848.445.743.741.740.351.0－－－59.055.653.551.550.148.846.144.142.040.751.2－－－59.456.054.051.950.549.246.444.442.341.051.4－－－59.956.454.452.350.949.646.844.742.741.351.6－－－－56.954.852.751.350.047.245.143.041.651.8－－－－57.355.253.151.750.347.545.443.341.852.0－－－－57.855.753.652.150.747.945.843.742.352.2－－－－58.256.154.052.551.148.346.244.042.652.4－－－－58.756.554.453.051.548.746.544.443.052.6－－－－59.157.054.853.451.949.046.944.743.352.8－－－－59.657.455.253.852.349.447.345.143.653.0－－－－60.057.855.654.252.749.847.645.443.953.2－－－－－58.356.154.653.150.248.045.844.353.4－－－－－58.756.555.053.550.548.346.144.653.6－－－－－59.256.955.453.950.948.746.444.953.8－－－－－59.657.355.854.351.349.046.845.354.0－－－－－－57.856.354.751.749.447.145.654.2－－－－－－58.226.755.152.149.847.546.054.4－－－－－－58.657.155.652.550.247.946.354.6－－－－－－59.157.556.052.950.548.246.654.8－－－－－－59.557.956.453.250.948.547.055.0－－－－－－59.958.456.853.651.348.947.355.2－－－－－－－58.857.254.051.649.347.755.4－－－－－－－59.257.654.452.049.648.055.6－－－－－－－59.758.054.852.450.048.455.8－－－－－－－－58.555.252.850.348.756.0－－－－－－－－58.955.653.250.749.156.2－－－－－－－－59.356.053.551.149.456.4－－－－－－－－59.756.453.951.449.856.6－－－－－－－－－56.854.351.850.156.8－－－－－－－－－57.254.752.250.557.0－－－－－－－－－57.655.152.550.8续表D平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥657.2－－－－－－－－－58.055.552.951.257.4－－－－－－－－－58.455.953.351.657.6－－－－－－－－－58.956.353.751.957.8－－－－－－－－－59.356.754.052.358.0－－－－－－－－－59.757.054.452.758.2－－－－－－－－－60.057.454.853.058.4－－－－－－－－－－57.855.253.458.6－－－－－－－－－－58.255.653.858.8－－－－－－－－－－58.655.954.159.0－－－－－－－－－－59.056.354.559.2－－－－－－－－－－59.456.754.959.4－－－－－－－－－－59.857.155.259.6－－－－－－－－－－60.057.555.659.8－－－－－－－－－－－57.956.060.0－－－－－－－－－－－58.356.4注：表中未注明的测区混凝土强度换算值为小于10MPa或大于60MPa。

附录E回弹法泵送混凝土测区强度换算表表E平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥618.610.0－－－－－－－－－－－－18.810.210.0－－－－－－－－－－－19.010.410.210.0－－－－－－－－－－19.210.610.410.210.0－－－－－－－－－19.410.910.710.410.210.0－－－－－－－－19.611.110.910.610.410.210.0－－－－－－－19.811.311.110.910.610.410.210.0－－－－－－20.011.511.311.110.910.610.410.210.0－－－－－20.211.811.511.311.110.910.610.410.210.0－－－－20.412.011.711.511.311.110.810.610.410.210.0－－－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－－－－23.013.713.413.012.612.111.611.210.810.510.1－－－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－－23.614.414.113.713.212.712.211.811.411.110.710.410.1－23.814.614.313.913.412.812.412.011.511.210.810.510.2－24.014.914.614.213.713.112.712.211.811.511.010.710.410.124.215.114.814.313.913.312.812.411.911.611.210.910.610.324.415.415.114.614.213.613.112.612.211.911.411.110.810.424.615.615.314.814.413.713.312.812.312.011.511.210.910.624.815.915.615.114.614.013.513.012.612.211.811.411.110.725.016.215.915.414.914.313.813.312.812.512.011.711.310.925.216.416.115.615.114.413.913.413.012.612.111.811.511.025.416.716.415.915.414.714.213.713.212.912.412.011.711.225.616.916.616.115.714.914.413.913.413.012.512.211.811.325.817.216.916.315.815.114.614.113.613.212.712.412.011.526.017.517.216.616.115.414.914.413.813.513.012.612.211.626.217.817.416.916.415.715.114.614.013.713.212.812.411.826.418.017.617.116.615.815.314.814.213.913.313.012.612.026.618.317.917.416.816.115.615.014.414.113.513.212.812.126.818.618.217.717.116.415.815.314.614.313.813.412.912.327.018.918.518.017.416.616.115.514.814.614.013.613.112.427.219.118.718.117.616.816.215.715.014.714.113.813.312.627.419.419.018.417.817.016.415.915.214.914.314.013.412.727.619.719.318.718.017.216.616.115.415.114.514.113.612.927.820.019.619.018.217.416.816.315.615.314.714.213.713.028.020.319.719.218.417.617.016.515.815.414.814.413.913.228.220.620.019.518.617.817.216.716.015.615.014.614.013.3续表E平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥628.420.920.319.718.818.017.416.916.215.815.214.814.213.528.621.220.620.019.118.217.617.116.416.015.415.014.313.628.821.520.920.219.418.517.818.316.616.215.615.214.513.829.021.821.120.519.618.718.117.516.816.415.815.414.613.929.222.121.420.819.919.018.317.717.016.616.015.614.814.129.422.421.721.120.219.318.617.917.216.816.215.815.014.229.622.722.021.320.419.518.818.217.517.016.416.015.114.429.823.022.321.620.719.819.118.417.717.216.616.215.314.530.023.322.621.921.020.019.318.617.917.416.816.415.414.730.223.622.922.221.220.319.618.918.217.617.016.615.614.930.423.923.222.521.520.619.819.118.417.817.216.815.815.130.624.323.622.821.920.920.219.418.718.017.517.016.015.230.824.623.923.122.121.220.419.718.918.217.717.216.215.431.024.924.223.422.421.420.719.919.218.417.917.416.415.531.225.224.423.722.721.720.920.219.418.618.117.616.615.731.425.624.824.123.022.021.220.519.718.918.417.816.915.831.625.925.124.323.322.321.520.719.919.218.618.017.116.031.826.225.424.623.622.521.721.020.219.418.918.217.316.232.026.525.724.923.922.822.021.220.419.619.118.417.516.432.226.926.125.324.223.122.321.520.719.919.418.617.716.632.427.226.425.624.523.422.621.820.920.119.618.817.916.832.627.626.825.924.823.722.922.121.320.419.919.018.117.032.827.927.126.225.124.023.222.321.520.620.119.218.317.233.028.227426.525.424.323.422.621.720.920.319.418.517.433.228.627.726.825.724.623.722.922.021.220.519.618.717.633.428.928.027.126.024.924.023.122.321.420.719.818.917.833.629.328.427.426.425.224.223.322.621.720.920.019.118.033.829.628.727.726.625.424.423.522.821.921.120.219.318.234.030.029.128.026.825.625.623.723.022.121.320.419.518.334.230.329.428.327.025.824.823.923.222.321.520.619.718.434.430.729.828.627.226.025.024.123.422.521.720.819.818.634.631.130.228.927.426.225.224.323.622.721.921.020.018.834.831.430.529.227.626.425.424.523.822.922.121.220.219.035.031.830.829.628.026.725.824.824.023.222.321.420.419.235.232.131.129.928.227.026.025.024.223.422.521.620.619.435.432.531.530.228.627.326.325.424.423.722.821.820.819.6续表E平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥635.632.931.930.629.027.626.625.724.724.023.022.021.019.835.833.332.331.029.328.027.026.025.024.323.322.221.220.036.033.632.631.229.628.227.226.225.224.523.522.421.420.236.234.033.031.629.928.627.526.525.524.823.822.621.620.436.434.433.432.030.328.927.926.825.825.124.122.821.820.636.634.833.832.430.629.228.227.126.125.424.423.022.020.936.835.234.132.731.029.628.527.526.425.724.623.222.221.137.035.534.433.031.229.828.827.726.625.924.823.422.421.337.235.934.833.431.630.229.128.026.926.225.123.722.621.537.436.335.233.831.930.529.428.327.226.525.424.022.921.837.636.735.634.132.330.829.728.627.526.825.724.223.122.037.837.136.034.532.631.230.028.927.827.126.024.523.422.338.037.536.434.933.031.530.329.228.127.426.224.823.622.538.237.936.835.233.431.830.629.528.427.726.525.023.923.738.438.337.235.633.732.130.929.828.728.026.825.324.123.038.638.737.536.034.132.431.230.129.028.327.025.524.423.238.839.137.936.434.432.731.530.429.328.527.225.824.623.539.039.538.236.734.733.031.830.629.628.827.426.024.823.739.239.938.537.035.033.332.130.829.829.027.626.225.024.039.440.338.837.335.333.632.431.030.029.227.826.425.224.239.640.739.137.635.633.932.731.230.229.428.026.625.424.439.841.239.638.035.934.233.031.430.529.728.226.825.624.740.041.639.938.336.234.533.331.730.830.028.427.025.825.040.242.040.338.636.534.833.632.031.130.228.627.326.025.240.442.440.739.036.935.133.932.331.430.528.827.626.225.440.642.841.139.437.235.434.232.631.730.829.127.826.525.740.843.341.639.837.735.734.532.932.031.229.428.126.826.041.043.742.040.238.036.034.833..232.331.529.728.427.126.241.244.142.340.638.436.335.133.532.631.830.028.727.326.541.444.542.740.938.736.635.433.832.932.030.328.927.626.741.645.043.241.439.236.935.734.233.332.430.629.227.927.041.845.443.641.839.537.236.034.533.632.730.929.528.127.242.045.944.142.239.937.636.334.934.033.031.229.828.527.542.246.344.442.640.338.036.635.234.333.331.530.128.727.842.446.744.843.040.638.336.935.534.633.631.830.429.028.042.647.245.343.441.138.737.335.934.934.032.130.729.328.3续表E平均回弹值Rm测区混凝土强度换算值fccu,i(MPa)平均碳化深度值dm(mm)0.00.51.01.52.02.53.03.54.04.55.05.5≥642.847.645.743.841.439.037.636.235.234.332.430.929.528.643.048.146.244.241.839.438.036.635.634.632.731.329.828.943.248.546.644.642.239.838.336.935.934.933.031.530.129.143.449.047.045.142.640.238.737.236.335.333.331.830.429.443.649.447.445.443.040.539.037.536.635.633.632.130.629.643.849.947.945.943.440.939.437.936.935.933.932.430.929.944.050.448.446.443.841.339.838.337.336.334.332.831.230.244.250.848.846.744.241.740.138.637.636.634.533.031.530.544.451.349.247.244.642.140.539.038.036.934.933.331.830.844.651.749.647.645.042.440.839.338.337.235.233.632.131.044.852.250.148.045.442.841.239.738.637.635.533.932.431.345.052.750.648.545.843.241.640.139.037.935.834.332.731.645.253.251.148.946.343.642.040.439.438.336.234.633.031.945.453.651.549.446.644.042.340.739.738.636.434.833.232.245.654.151.949.847.144.442.741.140.039.036.835.233.532.545.854.652.450.247.544.843.141.540.439.337.135.533.932.846.055.052.850.647.945.243.541.940.839.737.535.834.233.146.255.553.351.148.345.543.842.241.140.037.736.134.433.346.456.053.851.548.745.944.242.641.440.338.136.434.733.646.656.554.252.049.246.344.642.941.840.738.436.735．033.946.857.054.752.449.646.745.043.342.241.038.837.035.334.247.057.555.252.950.047.245.243.742.641.439.137.435.634.547.258.055.753.450.547.645.844.142.941.839.437.736.034.847.458.526.253.850.948.046.244.543.342.139.838.036.335.147.659.056.654.351.348.446.644.843.742.540.138.436.635.447.859.557.154.751.848.847.045.244.042.840.538.736.935.748.060.057.655.2