DBJ14 BG4-99 回彈法監(jiān)測(cè)混凝土抗壓強(qiáng)度技術(shù)規(guī)程.doc

山 東 省 標(biāo) 準(zhǔn)回彈法監(jiān)測(cè)混凝土抗壓強(qiáng)度技術(shù)規(guī)程DBJ14-BG4-991999 濟(jì)南山 東 省 標(biāo) 準(zhǔn)回彈法監(jiān)測(cè)混凝土抗壓強(qiáng)度技術(shù)規(guī)程DBJ14-BG4-99主編單位：山東省建筑科學(xué)研究院批準(zhǔn)部門：山東省建筑委員會(huì)實(shí)行日期：1999年11月1日1999 濟(jì)南目 錄主要符號(hào)（1）1.總則（2）2.回彈儀（3）2.1.技術(shù)要求（3）2.2.檢定（4）2.3.操作（5）2.4.保養(yǎng)（5）3.監(jiān)測(cè)技術(shù)（7）3.1.一般規(guī)定（7）3.2.回彈值測(cè)量與計(jì)算（9）3.3碳化深度值測(cè)量與計(jì)算（11）4.混凝土強(qiáng)度的推定（12）附錄A 檢測(cè)報(bào)告（15）附錄B 專用測(cè)強(qiáng)曲線的制定方法（16）附錄C 非水平方向檢測(cè)時(shí)回彈值的修正值（19）附錄D 不同澆筑面上回彈值的修正值（21）附錄E 測(cè)區(qū)混凝土強(qiáng)度換算表（21）附錄F 本規(guī)程用詞說明（25）附加說明 （26）主 要 符 號(hào)Rm 測(cè)區(qū)平均回彈值；Raa 非水平方向檢測(cè)時(shí)，回彈值的修正值；Ra 角度修正后的測(cè)區(qū)平均回彈值；Ra 回彈儀檢測(cè)混凝土澆筑頂面時(shí)，回彈值的修正值；Rba 回彈儀檢測(cè)混凝土澆筑底面時(shí)，回彈值的修正值；Rn 澆筑面修正后的測(cè)區(qū)平均回彈值；Rm.i 結(jié)構(gòu)或構(gòu)件第i個(gè)測(cè)區(qū)平均回彈值；dm 測(cè)區(qū)平均碳化深度值；dm.i 結(jié)構(gòu)或構(gòu)件第i個(gè)測(cè)區(qū)的平均碳化深度；1 總 則1.0.1 為統(tǒng)一山東省使用回彈儀檢測(cè)普通混凝土抗壓強(qiáng)度的方法，保證檢測(cè)進(jìn)度，制定本規(guī)程。1.0.2 本規(guī)程實(shí)用于采用中型回彈儀檢測(cè)和推定山東省范圍內(nèi)建筑工程結(jié)構(gòu)或構(gòu)件中普通混凝土抗壓強(qiáng)度（以下簡(jiǎn)稱混凝土強(qiáng)度）。1.0.3 本規(guī)程所定義的回彈法是指通過檢測(cè)結(jié)構(gòu)或構(gòu)件混凝土的回彈值和碳化深度值來推定該結(jié)構(gòu)或構(gòu)件混凝土強(qiáng)度的方法。結(jié)構(gòu)或構(gòu)件測(cè)區(qū)混凝土強(qiáng)度強(qiáng)度換算值是指按本規(guī)程測(cè)得的回彈值和碳化深度值換算成相當(dāng)于被測(cè)結(jié)構(gòu)或構(gòu)件的測(cè)區(qū)在該齡期下的混凝土抗壓強(qiáng)度值?；炷翉?qiáng)度推定值是指相應(yīng)于強(qiáng)度換算值總體分布中保證率不低于95的強(qiáng)度值。1.0.41.0.5本規(guī)程適用于符合下列條件的混凝土的強(qiáng)度的檢測(cè)：（1）符合普通混凝土用材料、拌合用水的質(zhì)量標(biāo)準(zhǔn)且采用粗骨料為碎石；（2）不摻引氣型外加劑；（3）采用普通成型工藝；（4）采用符合國家現(xiàn)行標(biāo)準(zhǔn)混凝土結(jié)構(gòu)工程施工及驗(yàn)收規(guī)范GB50204規(guī)定的鋼模、木模及其它材料制成的模板；（5）自然養(yǎng)護(hù)或蒸汽養(yǎng)護(hù)出池后經(jīng)自然養(yǎng)護(hù)7d以上，且混凝土表層為干燥狀態(tài)。（6）齡期為14110天；（7）抗壓強(qiáng)度為1060MPa；1.0.6當(dāng)有下列情況之一時(shí)，不能按本規(guī)程進(jìn)行混凝土強(qiáng)度的檢測(cè)：（1）測(cè)試部位表層與內(nèi)部質(zhì)量有明顯差異或內(nèi)部存在缺陷；（2）遭受凍害、化學(xué)侵蝕、火災(zāi)、高溫?fù)p傷。1.0.7當(dāng)有下列情況之一時(shí)，不能按公式（4.0.1）計(jì)算或附錄E換算測(cè)區(qū)混凝土強(qiáng)度值，但可制定專用測(cè)強(qiáng)曲線或通過試驗(yàn)進(jìn)行修正：（1）粗集料最大粒徑大于40mm；（2）特種成型工藝制成的混凝土；（3）檢測(cè)部位曲率半徑小于250mm的混凝土。1.0.81.0.91.0.102 回 彈 儀2.1 技術(shù)要求2.1.12.1.2回彈儀應(yīng)符合下列標(biāo)準(zhǔn)狀態(tài)的要求：（1）回彈儀水平彈擊時(shí)沖擊能量應(yīng)為2.207j；（2）刻度尺上“100”刻線，應(yīng)與機(jī)殼刻度槽“100”刻線重合；（3）指針長度應(yīng)為20.0mm；（4）；（5）；（6）；（7）；附錄C 非水平方向檢測(cè)時(shí)回彈值的修正值Rm檢 測(cè) 角 度向 上向 下90604530304560902021222324-6.0-5.9-5.8-5.7-5.6-5.0-4.9-4.8-4.7-4.6-4.0-4.0-3.9-3.9-3.8-3.0-3.0-2.9-2.9-2.8+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+3.63031323334-5.0-4.9-4.8-4.7-4.6-4.0-4.0-3.9-3.9-3.8-3.5-3.5-3.4-3.4-3.3-2.5-2.5-2.4-2.4-2.3+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+2.84546474849-3.8-3.7-3.7-3.6-3.6-3.3-3.2-3.2-3.1-3.1-2.8-2.7-2.7-2.6-2.6-1.8-1.7-1.7-1.6-1.6+1.3+1.2+1.2+1.1+1.1+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+2.65051525354-3.5-3.5-3.4-3.4-3.4-3.0-3.0-2.9-2.9-2.9-2.5-2.5-2.4-2.4-2.4-1.5-1.5-1.4-1.4-1.4+1.0+1.0+0.9+0.9+0.9+1.5+1.5+1.4+1.4+1.4+2.0+2.0+1.9+1.9+1.9+2.5+2.5+2.4+2.4+2.45556-3.3-3.3-2.8-2.8-2.3-2.3-1.3-1.3+0.8+0.8+1.3+1.3+1.8+1.8+2.3+2.3注：Rm小于20或大于56時(shí)，均分別按20或56查表；表中未列入的相應(yīng)于Rm的修正值可用內(nèi)插法求得，精確至0.1。附錄D 不同澆筑面上回彈值的修正值Rm或Rbm頂面修正值Rm底面修正值Rbm20+2.5-3.021+2.4-2.922+2.3-2.823+2.2-2.724+2.1-2.625+2.0-2.526+1.9-2.427+1.8-2.328+1.7-2.229+1.6-2.130+1.5-2.031+1.4-1.932+1.3-1.833+1.2-1.734+1.1-1.635+1.0-1.536+0.9-1.437+0.8-1.338+0.7-1.239+0.6-1.140+0.5-1.041+0.4-0.942+0.3-0.843+0.2-0.744+0.1-0.6450-0.5460-0.4470-0.3480-0.2490-0.15000注：Rm小于20或大于56時(shí)，均分別按20或56查表；表中有關(guān)混凝土澆筑頂面的修正系數(shù)，是指一般原漿抹面的修正值。表中有關(guān)混凝土澆筑底面的修正系數(shù)，是指構(gòu)件底面與側(cè)面采用同一類模板在正常澆筑情況下的修正值。表中未列入的相應(yīng)于Rm的修正值可用內(nèi)插法求得，精確至0.1。附錄E 測(cè)區(qū)混凝土強(qiáng)度換算表測(cè)區(qū)平均回彈值Rm測(cè)區(qū)混凝土強(qiáng)度換算值（MPa）平均碳化深度值dm（mm）00.51.01.52.02.53.03.54.04.55.05.56.019.410.019.610.29.919.810.410.120.010.610.39.920.210.810.510.120.411.010.710.310.020.611.210.910.510.220.811.511.110.710.410.021.011.711.310.910.610.29.921.211.911.511.110.810.410.121.412.111.711.310.910.610.29.921.612.311.911.511.110.810.410.121.812.512.111.711.311.010.610.39.922.012.812.311.911.611.210.810.510.122.213.012.612.211.811.411.010.610.310.022.413.212.812.412.011.611.210.810.510.122.613.413.012.612.211.811.411.010.710.310.022.813.713.212.812.412.011.611.210.810.510.123.013.913.513.012.612.211.811.411.010.710.310.023.214.113.713.212.812.412.011.611.210.810.510.123.414.413.913.513.012.612.211.811.411.010.710.310.023.614.614.113.713.212.812.412.011.611.210.810.510.123.814.914.413.913.413.012.612.211.811.411.010.710.310.024.015.114.614.113.713.212.812.412.011.611.210.810.510.124.215.314.814.413.913.413.012.612.211.811.411.010.610.324.415.615.114.614.113.713.212.812.412.011.611.210.810.524.615.815.314.814.313.913.413.012.612.111.711.411.010.624.816.115.615.114.614.113.613.212.712.311.911.511.210.825.016.315.815.314.814.313.813.412.912.512.111.711.311.025.216.616.115.515.014.514.113.613.212.712.311.9111.511.125.416.916.315.815.314.814.313.813.412.912.512.111.711.325.617.116.616.015.515.014.514.013.613.112.712.311.911.525.817.416.816.315.715.214.714.213.813.312.912.512.011.726.017.617.116.516.015.414.914.414.013.513.112.612.211.826.217.917.316.716.215.715.214.714.213.713.312.812.412.026.418.217.617.016.415.915.414.914.413.913.513.012.612.226.618.417.817.216.716.115.615.114.614.113.713.212.812.426.818.718.118.516.916.415.815.314.814.313.913.413.012.527.019.018.317.717.216.616.115.515.014.514.113.613.212.727.219.218.618.017.416.816.315.815.214.714.313.813.312.927.419.518.918.317.717.116.516.015.515.014.514.013.513.127.619.819.118.517.917.316.816.215.715.214.714.213.713.327.820.119.418.818.217.617.016.415.915.414.914.413.913.528.020.419.719.018.417.817.216.716.115.615.114.614.113.728.220.620.019.318.718.117.516.916.315.815.314.814.313.828.420.920.219.618.918.317.117.116.616.015.515.014.514.028.621.220.519.819.218.618.017.416.816.215.715.214.714.228.821.520.820.119.418.818.217.617.016.515.915.414.914.4Rm00.51.01.52.02.53.03.54.04.55.05.56.029.021.821.120.419.719.118.417.817.316.716.115.615.114.629.222.121.420.720.019.318.718.117.516.916.415.915.314.829.422.421.620.920.219.618.918.317.717.116.616.015.515.029.622.721.921.220.519.819.218.618.017.416.816.215.715.229.823.022.221.520.820.119.418.818.217.617.016.515.915.430.023.322.521.821.020.419.719.018.417.817.216.716.115.630.223.622.822.021.320.619.919.318.718.117.516.916.315.830.423.923.122.321.620.920.219.518.918.317.717.116.516.030.624.223.422.621.921.220.519.819.118.517.917.316.816.230.824.523.722.922.121.420.720.019.418.818.117.517.016.431.024.824.023.222.421.721.020.319.619.018.417.817.216.631.225.124.323.522.722.021.220.519.919.218.618.017.416.831.425.424.623.823.022.221.520.820.119.518.818.217.617.031.625.724.924.123.322.521.821.120.419.719.118.417.817.331.826.025.224.423.622.822.021.320.619.919.318.718.117.532.026.425.524.723.823.122.321.620.920.219.518.918.317.732.226.725.825.024.123.322.621.821.120.419.819.118.517.932.427.026.125.324.423.622.922.121.420.720.019.418.718.132.627.326.425.624.723.923.122.421.620.920.219.618.918.332.827.626.725.925.024.223.422.621.921.220.519.819.218.533.028.027.126.225.324.523.722.922.221.420.720.119.418.833.228.327.426.525.624.824.023.222.421.721.020.319.619.033.428.627.726.825.925.124.223.422.721.921.220.519.919.233.629.028.027.126.225.324.523.722.922.221.520.820.119.433.829.328.327.426.525.624.824.023.222.421.721.020.319.634.029.628.727.726.825.925.124.323.522.722.021.220.519.934.230.029.028.027.126.225.424.523.723.022.221.520.820.134.430.329.328.427.426.525.724.824.023.222.521.721.020.334.630.629.628.727.726.826.025.124.323.522.722.021.320.634.831.030.029.028.027.126.225.424.623.723.022.221.520.835.031.330.329.328.427.426.525.724.824.023.222.521.721.035.231.730.629.628.727.726.826.025.124.323.522.722.021.335.432.031.030.029.028.027.126.225.424.523.723.022.221.535.632.431.330.329.328.427.426.525.724.824.023.222.521.735.832.731.730.629.628.727.726.825.925.124.323.522.722.036.033.132.031.029.929.028.027.126.225.424.523.723.022.236.233.432.431.330.329.328.327.426.525.624.824.023.222.436.433.832.731.630.629.628.627.726.825.925.124.223.422.736.634.233.132.030.929.928.928.027.126.225.324.523.722.936.834.533.432.331.330.229.228.327.426.525.624.823.923.237.034.933.832.631.630.529.528.627.626.725.925.024.223.437.235.334.133.031.930.929.928.927.927.026.126.324.523.737.435.624.533.332.231.230.229.228.227.326.425.524.723.937.636.034.833.732.631.530.529.528.527.626.725.825.024.137.836.435.234.032.931.830.829.828.827.927.026.025.224.438.036.735.534.433.332.231.130.129.128.227.226.325.524.638.237.135.934.733.632.531.430.429.428.427.526.625.724.938.437.536.335.133.932.831.730.729.728.727.826.926.025.238.637.936.635.434.333.232.131.030.029.028.127.226.325.438.838.337.035.834.633.532.431.330.329.328.427.426.525.739.038.637.436.135.033.832.731.630.629.628.627.726.825.939.239.037.736.535.334.233.632.030.929.928.928.027.126.2Rm00.51.01.52.02.53.03.54.04.55.05.56.039.439.438.136.935.734.533.432.331.230.229.228.327.326.439.639.838.537.236.034.833.732.631.530.529.528.527.626.739.840.238.937.636.435.234.032.931.830.829.828.827.927.040.040.639.238.036.735.534.433.232.131.130.129.128.127.240.241.039.638.337.135.934.733.632.531.430.429.428.427.540.441.440.038.737.436.235.033.932.831.730.729.728.727.740.641.840.439.137.836.635.434.233.132.031.029.929.028.040.842.240.839.438.236.935.734.533.432.331.230.229.228.341.042.641.239.838.537.336.034.933.732.631.530.529.528.541.243.041.640.238.937.636.435.234.032.931.830.829.828.841.443.441.940.639.238.036.735.534.433.232.131.130.129.141.643.842.341.039.638.337.135.934.733.532.431.430.429.441.844.242.741.340.038.737.436.235.033.932.731.730.629.642.044.643.141.740.439.037.836.535.334.233.132.030.929.942.245.043.542.140.739.438.136.935.734.533.432.331.230.242.445.443.942.541.139.838.537.236.034.833.732.631.530.542.645.844.342.941.540.138.837.536.335.134.032.931.830.742.846.244.743.341.940.539.237.936.635.434.333.232.131.043.046.745.143.742.240.939.538.237.035.834.633.532.431.343.247.145.544.142.641.239.938.637.336.134.933.832.731.643.447.546.044.543.041.640.238.937.636.435.234.132.931.943.647.946.444.843.442.040.639.338.036.735.534.433.232.243.848.446.845.243.842.340.939.638.337.135.834.733.532.444.048.847.245.644.242.741.340.038.737.436.235.033.832.744.249.247.646.144.543.141.740.339.037.736.535.334.133.044.449.748.046.544.943.542.040.739.338.036.835.634.433.344.650.148.446.945.343.842.441.039.738.437.135.934.733.644.850.548.947.345.744.242.841.440.038.737.436.235.033.945.051.049.347.746.144.643.141.740.439.037.836.535.334.245.251.449.748.146.545.043.542.140.739.438.136.835.634.545.451.850.148.546.945.443.942.541.139.738.437.235.934.845.652.350.648.947.345.844.342.841.440.138.837.536.335.145.852.751.049.347.746.244.643.241.840.439.137.836.635.446.053.241.549.748.146.545.043.542.140.739.438.136.935.746.253.651.950.248.546.945.443.942.541.139.738.437.236.046.454.152.350.648.947.345.844.342.841.440.138.837.536.346.654.552.751.049.347.746.244.743.241.840.439.137.836.646.855.053.251.449.848.146.545.043.642.140.739.438.136.947.055.453.651.950.248.546.945.443.942.541.139.738.437.247.255.954.152.350.648.947.345.844.342.841.440.138.837.547.456.354.552.751.049.347.746.144.643.241.840.439.137.847.656.854.953.151.449.748.146.545.043.542.140.739.438.147.857.355.453.651.850.148.546.945.443.942.441.139.738.448.057.755.854.052.250.548.947.345.744.242.841.440.038.748.258.256.354.552.750.949.347.746.144.643.141.740.439.048.458.756.754.953.151.449.748.146.545.043.542.140.739.448.659.157.255.353.551.850.148.446.945.343.842.441.039.748.859.657.755.853.952.250.548.847.245.744.242.741.340.049.060.158.156.254.452.650.949.247.646.044.543.141.740.349.258.656.754.853.051.349.648.046.444.943.442.040.649.459.057.155.253.451.750.048.446.845.243.842.340.949.659.557.655.753.852.150.448.747.145.644.142.741.3Rm00.51.01.52.02.53.03.54.04.55.05.56.049.860.058.056.154.352.550.849.147.546.044.443.041.650.058.556.554.752.951.249.547.946.344.843.341.950.258.957.055.153.351.649.948.246.74