路面面层类型 路拱设计坡度i(%) 水泥混凝土 1.0~2.0 沥青混凝土 1.0~2.0 沥青碎石 1.0~2.0 沥青灌入式碎石 1.5~2.0 沥青表面处治 1.5~2. 0 其他路面 1.5~2.5

横坡度而组成折线形路拱 5.2变方抛物线形路拱根据路拱横坡度i、路面宽度 B，采用不同的方次n。n一般为1.25~2.0。本册图集 中n值的选定原则为： 5.2.1为避免拱顶排水不畅，拱顶局部横坡度不小 于0.3%，即自拱顶至横距为0.5m处的割线坡度不小于 0.3%; 5.2.2为保证行车的舒适和安全，车行道外侧的路 拱横坡不宜太大： 选取机动车行驶在最外侧车道时的最不利情况进 行计算，要保证自道路外侧边线至离外侧边线横距为 2.5m处的割线坡度在1.5%~2.5%之间变化；选取非机 动车行驶在最外侧车道时的最不利情况进行计算，要 保证自道路外侧边线至离外侧边线横距为0.5m处的割 线坡度在2.0%~3.0%之间变化； 对于变方抛物线形路拱，横坡度小时，适用于 较宽路面，n取低值；横坡度大时，适用于较窄路面，

横坡度而组成折线形路拱 5.2变方抛物线形路拱根据路拱横坡度i、路面宽度 B，采用不同的方次n。n一般为1.25~2.0。本册图集 中n值的选定原则为： 5.2.1为避免拱顶排水不畅，拱顶局部横坡度不小 于0.3%，即自拱顶至横距为0.5m处的割线坡度不小于 0.3%; 5.2.2为保证行车的舒适和安全，车行道外侧的路 拱横坡不宜太大： 选取机动车行驶在最外侧车道时的最不利情况进 行计算，要保证自道路外侧边线至离外侧边线横距为 2.5m处的割线坡度在1.5%~2.5%之间变化；选取非机 动车行驶在最外侧车道时的最不利情况进行计算，要 保证自道路外侧边线至离外侧边线横距为0.5m处的割 线坡度在2.0%~3.0%之间变化； 对于变方抛物线形路拱，横坡度小时，适用于 较宽路面，n取低值；横坡度大时，适用于较窄路面，

i=1.0%横距X路亮Bn501001502002503003504004505005506006507007508008509009501000纵距Y.1502.000.170.671.502001.750.180.591.212.002501.500.220.631.161.752.503001.500.200.581.061.632.283.003501.500.190.530.981.512.112.783.504001.500.18.0.500.921.411.982.603.274.004501.500.170.470.871.331.862.453.093.774.505001.500.160.450.821.261.772.322.933.584.275.005501.500.150.430.781.211.692.222.793.414.074.775.506001.250.270.641.061.522.012.523.063.614.194.785.386.006501.250.260.631.041.491.97.2.473.003.544.104.685.285.886.507001.250.260.611.021.461.932.432.943.484.034.605.185.776.387.007501.250.250.601.001.441.902.392.893.423.964.525.095.676.276.887.508001.250.250.590.99.1.411.872.352.853.363.904.455.015.586.176.777.388.008501.25.0.250.590.971.391.842.312.803.313.844.384.935.506.086.677.277.888.509001.250.240.580.961.371.812.282.763.273.784.324.865.42.5.996.577.177.778.389.009501.250.240.570.951.351.792.252.733.223.734.264.805.355.916.497.077.668.278.889.5010001.250.240.560.931.341.772.222.693.183.694.204.745.285.846.406.987.578.168.779.3810.0010501.250.230.560.921.321.752.192.663.143.64.4.154.685.225.776.336.89.7.478.068.669.279.8811001.250.230.550.911.311.732.172.633.113.604.114.62.5.165.706.256.827.397.978.569.16.9.7612001.250.230.540.891.281.692.122.57.3.04.3.524.024.535.055.586.126.677.237.808.388.969.5512251.250.220.530.891.271.682.112.563.023.504.004.505.025.556.096.637.197.768.338.919.5113001.250.220.530.871.251.662.082.522.983.453.944.444.955.476.006.547.097.648.218.789.37.14001.250.220.520.861.231.632.042.472.923.393.874.354.855.375.89.6.42.6.967.508.068.629.1915001.250.210.510.841.211.602.012.432.873.333.804.284.775.275.796.316.847.377.928.479.0416001.250.210.500.831.191.571.972.392.833.283.744.214.705.195.696.216.737.267.798.34.8.8917001.250.210.490.821.171.551.942.362.793.233.684.154.62.5.115.616.116.637.157.688.218.7618001.250.200.490.811.151.53.1.922.322.753.183.634.094.565.045.536.036.537.057.578.108.63.19001.250.200.480.801.14.1.511.89.2.292.713.143.58.4.034.504.975.455.946.446.957.477.99.8.5220001.250.200.470.781.121.491.872.262.673.103.543.984.444.915.385.876.366.867.377.898.41抛物线形路拱曲线表(i=1.0%)图集号05MR104审核李东校对龙莉龙药设计袁海燕渔在页

i=1.0%横距X路宽BC105011001150120012251250130013501400145015001550160016501700175018001850190019502000纸距Y.10501.2510.5011001.2510.3811.0012001.2510.1610.7611.3812.0012251.2510.1010.7111.3211.9412.2513001.259.9510.5511.1511.7612.3813.0014001.259.7710.36.10.9511.5512.1512.7613.3814.0015001.259.6010.1810.7611.3511.9412.5413.1513.7614.3815.0016001.259.4510.0210.5911.1711.7512.3412.9413.5414.1514.7615.3816.0017001.259.319.8710.4311.0011.5812.1612.7413.3413.9314.5415.1515.7616.3817.00.18001.259.189.7310.2810.8411,4111.9812.5613.1513.7414.3314.9315.5416.1416.7617.3818.0019001.259.05.9.6010.1410.7011.2611.8212.3912.9713.5514.1414.7315.3315.9316.5317.1417.7618.3819.00.20001.258.949.4710.0110.5611.1111.6712.2412.8113.3813.9614.5415.1315.7316.3216.9317.5318.1418.7619.3820.00抛物线形路拱曲线表（i=1.0%）图集号05MR104申核李东车校对龙莉龙药设袁海蒸页

i=1.2%路宽Bn501001502002503003504004505005506006507007508008509009501000纵距Y1502.000.200.801.802002.000.150.60.1.352.40250.1.750.180.601.232.033.003001.750.160.531.071.772.62.3.603501.500.230.641.181.812.543.334.204001.500.210.601.101.702.373.123.934.804501.500.20.0.571.041.602.242.94.3.704.535.405001.250.340.801.331.912.523.173.844.545.266.005501.250.330.781.301.862.463.093.754.435.145.866.606001.250.320.771.271.822.413.033.674.345.035.736.467.206501.250.320.751.251.792.362.973.604.254.935.626.337.067.80700.1.250.310.74.1.221.752.322.913.534.174.845.52.6.216.937.668.407501.250.300.73.1.201.722.282.863.474.104.755.426.116.817.538.269.008001.250.30.0.711.18.1.702.242.82.3.424.044.685.336.016.707.418.128.869.608501.250.300.701.17.1.672.212.773.363.984.615.255.926.607.298.008.729.4610.209001.250.290.691.151.652.182.743.323.924.545.185.846.517.197.898.609.3210.0610.809501.250.290.681.131.632.152.703.273.874.485.115.766.427.097.788.489.209.9210.6611.4010001.250.280.671.121.602.122.663.233.824.425.055.686.347.007.688.389.089.7910.5211.2512.0010501.250.280.671.111.592.102.633.193.774.374.985.616.266.927.598.27.8.979.6810.3911.1211.8511001.250.280.661.091.572.072.603.153.734.324.935.556.196.847.508.188.879.5610.2710.9911.7212001.250.270.641.071.532.032.553.093.654.234.825.436.056.697.348.008.679.3610.05.10.7511.47.12251.250.270.641.061.532.022.533.073.634.204.805.406.026.667.307.968.639.3110.0010.7011.4113001.250.27.0.631.051.501.99.2.503.033.574.144.735.325.936.567.207.848.509.179.8510.5411.2414001.250.260.621.031.481.952.452.973.514.074.645.235.836.447.067.708.359.009.6710.3511.0315001.250.260.611.011.451.922.412.923.454.004.565.145.736.336.94.7.578.208.859.5110.1710.8416001.250.250.601.001.431.892.372.873.393.934.495.055.636.236.837.458.078.719.3510.0110.6717001.250.250.590.981.411.862.332.83.3.343.874.42.4.985.556.136.737.337.958.589.219.8610.5118001,250.240.580.971.39.1.832.302.793.303.824.364.91.5.476.056.637.237.848.469.089.7210.3619001.250.240.570.951.371.812.272.753.253.774.304.845.405.976.547.137.738.348.969.5910.2220001.250.240.570.941.351.782.242.723.21.3.724.244.785.335.896.467.047.638.248.859.4610.09抛物线形路拱曲线表(i=1.2%)图集号05MR104审核李东专校对龙莉龙药设袁海燕表友页9

i=1.2%横X路宽Bn10501100115012001225130013501400145015001550160016501700175018001850190019502000纵距Y10501.2512.6011001.2512.4513.2012001.2512.1912.9213.6514.4012251.2512.1212.8513.5814.3314.7013001.2511.9412.6613.3814.1114.8515.6014001.2511.7312.4313.1413.8614.5815.3116.0516.8015001.2511.5312.2212.9113.6214.3315.0515.7816.5117.2518.0016001.2511.3412.0212.7113.4014.1014.8115.5316.2516.9817.7118.4519.2017001.2511.1711.8412.5213.2013.8914.5915.2916.0016.7217.4518.1818.9119.6520.40.18001.2511.0111.6712.3413.0113.6914.3815.0815.7816.4817.2017.9218.6419.3720.1120.8521.6019001.2510.8611.5112.1712.8413.5114.1914.8715.5716.2616.9717.6818.3919.1119.8420.5721.3122.0522.8020001.2510.73111.3712.0212.6713.3414.0114.6815.3716.0616.7517.4518.1618.8719.5920.3121.0421.7722.5123.2524.00抛物线形路拱曲线表（i=1.2%）图集号05MR104审核李东子校对龙莉龙药设讯袁海燕卖页10

i=1.5%横距X路宽Bn1050110011501200122512501300135011400145015001550160016501700175018001850190019502000纵距Y10501.2515.7511001.2515.5716.5012001.2515.2316.1417.0718.0012251.2515.1516.0616.9817.9118.3813001.2514.9315.8316.7317.6418.5719.5014001.2514.6615.5316.4217.3218.2319.1420.0721.0015001.2514.4115.2716.1417.0217.9118.8119.7220.6421.5722.5016001.2514.1815.0215.8816.7517.6318.5119.4120.3121.2222.1423.0724.0017001.2513.9614.8015.6416.5017.3618.2419.1220.0120.9021.8122.7223.6424.5725.5018001.2513.7614.5915.4216.2617.1217.9818.8419.7220.6121.5022.4023.3024.2225.14.26.0727.0019001.2513.5814.3915.2216.0516.8917.7418.5919.4620.3321.2122.1022.9923.8924.8025.7226.6427.5728.5020001.2513.4114.2115.0215.8416.6717.5118.3519.2120.0720.9421.8122.7023.5924.4825.3926.3027.2128.1429.0730.00抛物线形路拱曲线表（i=1.5%）图集号05MR104审核李东女校对龙莉龙药设讯袁海燕麦力龙页12

i=2.0%微距X路宽Bn1050110011501200122512501300135014001450150015501600165017501800850190019502000纵距Y10501.2521.0011001.2520.76.22.0012001.2520.3121.5322.7624.0012251.2520.2121.4222.6423.8824.5013001.2519.9121.1022.3123.5224.7626.0014001.2519.5420.7121.9023.0924.3025.5226.7628.0015001.2519.2120.3621.5222.7023.8925.0926.3027.5228.7630.0016001.2518.9020.0321.1822.3323.5024.68.25.8827.0828.3029.5230.7532.0017001.2518.6219.7320.8622.0023.1524.3125.4926.6727.8729.0830.2931.5232.7534.0018001.2518.3519.4520.5621.6922.8223.9725.1326.2927.4728.6629.8631.0732.2933.5234.7536.0019001.2518.1119.1920.2921.4022.5223.6524.7925.9427.1128.2829.4630.6531.8633.0734.2935.5236.7538.0020001.2517.8818.9520.0321.1222.2323.3524.4725.6126.7627.9229.0930.2631.4532.6533.8535.0636.2937.5238.7540.00抛物线形路拱曲线表（i=2.0%）图集号05MR104审核李东老名校对龙莉龙药设计袁海燕生页14

电子产品标准i=1.5%曲线股横鹿X路宽Bn100200250300350400450500550600650700750800XTYT曲线段纸距Y1502.000.2575.00.561.692002.000.190.75100.00.752.252502.000.150.60125.00.942.813001.750.20.0.66142.31.22.3.593501.750.170.591.19166.01.424.184001.750.160.531.08189.71.634.784501.500.250.711.302.00200.02.005.755001.500.240.671.231.90222.22.226.395501.500.230.641.181.81244.42.447.036001.500.220.611.131.732.42266.72.677.676501.500.210.591.081.662.33288.92.898.317001.500.200.571.041.602.242.95311.13.118.947501.500.190.55.1.011.552.172.85333.33.339.588001.500.190.530.971.502.102.763.47355.63.5610.228501.500.180.510.951.462.032.673.37377.83.7810.869001.500.180.500.921.411.982.603.274.00400.04.0011.509501.500.170.490.891.381.922.533.193.89422.24.2212.1410001.500.17.0.470.871.341.882.463.113.79444.44.4412.7810501.500.160.460.851.311.832.413.033.704.42466.74.6713.4211001.500.160.450.831.281.792.352.963.624.32488.9.4.8914.0612001.250.34.0.811.341.922.533.183.864.565.28491.55.9016.5312251.250.340.801.331.912.523.173.844.545.265.99501.86.0216.8713001.250.330.791.311.882.483.123.784.475.185.91532.56.3917.9014001.250.33.0.781.291.842.443.063.714.395.085.806.53573.46.8819.2815001.250.320.761.271.812.403.013.654.315.005.706.427.16614.4.7.3720.6616001.250.320.751.251.782.362.963.594.244.925.616.327.047.78655.47.8622.0317001.250.310.741.231.762.322.923.544.184.845.526.226.947.67696.38.3623.4118001.250.310.731.211.732.292.883.494.124.775.446.136.847.568.29737.38.8524.7919001.250.300.721.19.1.712.262.843.444.064.715.376.056.757.468.188.92778.29.3426.1720001.250.300.711.181.692.232.803.404.014.655.305.976.667.368.088.809.54819.29.8327.54直线接抛物线形路拱曲线表（i=1.5%）图集号05MR104申核李东校对龙莉无药设计袁海蒸豪页18

注：i=1.5%的路拱曲线表适用于单向车 行道路面宽度B<9.0m的直线接圆曲线 形路拱，

主编单位 北京市市政工程设计研究总院 龙莉