螺栓等级C 级4.6、4.8A、B5.6级8.8fvb承压板承压N/mm2N/mm2fcbN/mm2170140C 级210199薄壁型钢400320A、B级ftbQ235305290405钢号Q345Q420385425370510560当承压板厚t(mm)为受拉螺杆单剪一个C级螺栓连接承载力设计值直径毛截面有效截面钢号承压承载力设计值Ncb (kN)mmmm2mm2Q345Q235Q345Q235Q345Q235Q345Q235Q345Q235Q345Q235Q345Q235Q345Q235Q345518.323.121.3526.9524.430.827.4534.6530.538.533.5542.3536.646.241.17551.97545.7557.75621.9627.7225.6232.3429.2836.9632.9441.5836.646.240.2650.8243.9255.4449.4162.3754.969.3725.6232.3429.8937.7334.1643.1238.4348.5142.753.946.9759.2951.2464.6857.6572.7764.0580.85829.2836.9634.1643.1239.0449.2843.9255.4448.861.653.6867.7658.5673.9265.8883.1673.292.41036.646.242.753.948.861.654.969.3617767.184.773.292.482.3510491.5115.51243.9255.4451.2464.6858.5673.9265.8883.1673.292.480.52101.6487.84110.8898.82124.74109.8138.61451.2464.6859.7875.4668.3286.2476.8697.0285.4107.893.94118.6102.5129.4115.3145.5128.1161.71658.5673.9268.3286.2478.0898.5687.84110.997.6123.2107.4135.5117.1147.8131.8166.3146.4184.81865.8883.1676.8697.0287.84110.998.82124.7109.8138.6120.8152.5131.8166.3148.2187.1164.7207.92073.292.485.4107.897.6123.2109.8138.6122154134.2169.4146.4184.8164.7207.9183231Ntb(kN)Nvb(kN)12113.180.49Q23514153.9115.416201.1156.718254.5204.220314.2244.822380.1303.424452.4352.527572.6459.430706.9560.614.3315.8319.6221.5526.6328.1532.7235.6341.6243.9851.5853.2259.9363.3378.195.380.1698.96螺栓ftbfvb承压板fcb等级N/mm2N/mm2钢号N/mm28.840010.9500250Q235470310Q3455908.8S当承压板厚t(mm)为受拉螺杆单剪一个高强螺栓承压型连接承载力设计值直径毛截面有效截面钢号承压承载力设计值Ncb10.9S受拉Ntb(kN)螺杆单剪mmmm2mm2Q345Q235Q345Q235Q345Q235Q345Q235Q345Q235Q345656.6456.470.862.0477.8867.6884.9676.1495.5884.6106.2766.0865.882.672.3890.8678.9699.1288.83111.5198.7123.9875.5275.294.482.72103.890.24113.3101.5127.4112.8141.61094.494118103.4129.8112.8141.6126.9159.314117712113.3112.8141.6124.1155.8135.4169.9152.3191.2169.2212.414132.16131.6165.2144.76181.72157.92198.24177.66223.02197.4247.816151150.4188.8165.4207.7180.5226.6203254.9225.6283.218169.9169.2212.4186.1233.6203254.9228.4286.7253.8318.620188.8188236206.8259.6225.6283.2253.8318.6282354Ntb(kN)Nvb(kN)Nvb(kN)16201.1156.7Q23545.1252.6460.1675.290.24105.28120.3135.4150.462.6750.2778.3362.3320314.2244.822380.1303.424452.4352.527572.6459.430706.9560.697.9278.54122.497.39121.495.03151.7117.8141113.1176.3140.2183.8143.1229.7177.5224.2176.7280.3219.1高强螺栓预拉力P(kN)摩擦面抗接触面处理方法Q235Q345Q420M168.88010.9100等级M20125155M22150190M24175225M27230290M30面抗喷砂、或喷砂后生赤锈滑移280系数喷砂后涂无机富锌漆355μ钢丝刷除锈或未处理干净0.450.50.350.40.30.350.50.40.4一个摩擦型高强螺栓抗剪承载力设计值(kN)螺栓钢材等级钢号单剪承载力设计值Nvb，当螺栓为双剪承载力设计值Nvb，当螺栓直径d(mm)为μ0.450.350.3M1632.425.221.63628.825.23628.840.531.527453631.54536M2050.62539.37533.7556.254539.37556.254562.77548.82541.8569.7555.848.82569.7555.8M2260.7547.2540.567.55447.2567.55476.9559.8551.385.568.459.8585.568.4M2470.8855.1347.2578.756355.1378.756391.1370.8860.75101.38170.88101.381M2793.1572.4562.1103.582.872.45103.582.8117.591.3578.3130.5104.491.35130.5104.4M30113.488.275.6126100.888.2126100.8143.78111.8395.85159.75127.8111.83159.75127.81664.850.443.27257.650.47257.6816354907263907220101.378.7567.5112.59078.75112.590125.697.6583.7139.5111.697.65139.5111.622121.594.58113510894.5135108153.9119.7102.6171136.8119.7171136.824141.8110.394.5157.5126110.3157.5126182.3141.8121.5202.5162141.8202.516227186.3144.9124.2207165.6144.9207165.6234.9182.7156.6261208.8182.7261208.830226.8176.4151.2252201.6176.4252201.6287.6223.7191.7319.5255.6223.7319.5255.68.8Q2350.5Q3450.40.35Q4200.50.410.9Q2350.450.350.30.5Q3450.40.35Q4200.50.4化学锚栓规格及技术参数规格(mm)钻孔破坏钻孔深锚固长直径力度(mm)度(mm)(mm)(kN)锚杆边间距及砼基层最小厚度(mm)锚杆直径间距边距最小间距最小边距基层最小厚M8x110M10x130M12x145M12x160M16x190M20x260M24x3001012141418242880951151151351652257520.590301104311041.813069.8160110.5220141M10M12M14M16M20M24M30220270300310420520700110135150155210260350901101201251702102804555606585105140140160170175220260330表13.2.3-1 碳钢及合金钢锚栓钢材强度设计指标性 能 等 级4.85.8锚栓强度用于抗拉计算fud,t250310设计值(MPa)用于抗剪计算fud,v1501806.83702208.8490290表13.2.3-2 不锈钢锚栓钢材强度设计指标性 能 等 级507080≤32≤24≤24螺纹直径(mm)锚栓强度用于抗拉计算fud,t175370500设计值(MPa)用于抗剪计算fud,v105225300