螺栓、焊縫承載力表格

1、一個(gè)摩擦型高強(qiáng)螺栓的承載力設(shè)計(jì)值表 螺栓 性能 等級 螺栓 直徑 d(mm) 構(gòu)件鋼材鋼 號 受 剪 的 承 載 力 設(shè) 計(jì) 值 nvb (kn) 受拉的 承載力 設(shè)計(jì)值n tb (kn) 單 剪雙 剪 噴砂(丸) 噴砂(丸)后涂無機(jī) 富鋅漆 噴砂(丸)后生赤銹 鋼絲刷清除浮銹 或干凈軋制面 噴砂(丸) 噴砂(丸)后涂無機(jī) 富鋅漆 噴砂(丸)后生赤銹 鋼絲刷清除浮銹 或干凈軋制面 8.8s 16 q23532.425.232.421.664.850.464.843.2 64.0 q34536.028.836.025.272.057.672.050.4 20 q23550.639.450.633

2、.8101.378.8101.367.5 100.0 q34556.345.056.339.4112.590.0112.578.8 22 q23560.847.360.840.5121.594.5121.581.0 120.0 q34567.554.067.547.3135.0108.0135.094.5 24 q23570.955.170.947.3141.8110.3141.894.5 140.0 q34578.863.078.855.1157.5126.0157.5110.3 27 q23593.272.593.262.1186.3144.9186.3124.2 184.0 q34510

3、3.582.8103.572.5207.0165.6207.0144.9 30 q235113.488.2113.475.6226.8176.4226.8151.2 224.0 q345126.0100.8126.088.2252.0201.6252.0176.4 10.9s 16 q23540.531.540.527.081.063.081.054.0 80.0 q34545.036.045.031.590.072.090.063.0 20 q23562.848.862.841.9125.697.7125.683.7 124.0 q34569.855.869.848.8139.5111.61

4、39.597.7 22 q23577.059.977.051.3153.9119.7153.9102.6 152.0 q34585.568.485.559.9171.0136.8171.0119.7 24 q23591.170.991.160.8182.3141.8182.3121.5 180.0 q345101.381.0101.370.9202.5162.0202.5141.8 27 q235117.591.4117.578.3234.9182.7234.9156.6 232.0 q345130.5104.4130.591.4261.0208.8261.0182.7 30 q235143.

5、8111.8143.895.9287.6223.7287.6191.7 284.0 q345159.8127.8159.8111.8319.5255.6319.5223.7 注：表中螺栓的承載力設(shè)計(jì)值按下列公式計(jì)算： 受拉：ntb=0.8 p；受剪：nvb=0.9 nf p p高強(qiáng)螺栓預(yù)拉力；nf傳力摩擦面數(shù)目；摩擦面抗滑移系數(shù) 一個(gè)10.9級承壓型高強(qiáng)螺栓的承載力設(shè)計(jì)值表 2 螺栓 性能 等級 螺栓 直徑 d 螺栓毛 截面面 積 a 螺栓的 螺紋間 距 p 螺栓有 效截面 面積ae 構(gòu)件鋼 材鋼號 承 壓 的 承 載 力 設(shè) 計(jì) 值 ncb (kn) 受拉的 承載力 設(shè)計(jì)值 ntb (kn)

6、 受剪的承載力設(shè)計(jì)值nvb (kn) 當(dāng) 承 壓 板 的 厚 度 t (mm) 為 承 剪 面 在 螺 桿 處 承 剪 面 在 螺 紋 處 (mm)(mm2)(mm)(mm2)568101214161820222530單 剪雙 剪單 剪雙 剪 10.9s 16201.12156.7 q23537.645.160.275.290.2105.3120.3135.4150.4165.4188.0225.6 78.362.3124.748.697.1 q34547.256.675.594.4113.3132.2151.0169.9188.8207.7236.0283.2 20314.22.5244.8

7、 q23547.056.475.294.0112.8131.6150.4169.2188.0206.8235.0282.0 122.497.4194.875.9151.8 q34559.070.894.4118.0141.6165.2188.8212.4236.0259.6295.0354.0 22380.12.5303.4 q23551.762.082.7103.4124.1144.8165.4186.1206.8227.5258.5310.2 151.7117.8235.794.1188.1 q34564.977.9103.8129.8155.8181.7207.7233.6259.628

8、5.6324.5389.4 24452.43352.5 q23556.467.790.2112.8135.4157.9180.5203.0225.6248.2282.0338.4 176.3140.2280.5109.3218.6 q34570.885.0113.3141.6169.9198.2226.6254.9283.2311.5354.0424.8 27572.63459.4 q23563.576.1101.5126.9152.3177.7203.0228.4253.8279.2317.3380.7 229.7177.5355.0142.4284.8 q34579.795.6127.41

9、59.3191.2223.0254.9286.7318.6350.5398.3477.9 30706.93.5560.6 q23570.584.6112.8141.0169.2197.4225.6253.8282.0310.2352.5423.0 280.3219.1438.3173.8347.6 q34588.5106.2141.6177.0212.4247.8283.2318.6354.0389.4442.5531.0 注：1、表中螺栓的承載力設(shè)計(jì)值按下列公式計(jì)算： 承壓：ncb=d t fcb；受拉：ntb=ae ftb；受剪(在螺桿處)：nvb=nv a fvb；受剪(在螺紋處)：nv

10、b=nv ae fvb 2、單角鋼單面連接的螺栓，其承載力設(shè)計(jì)值應(yīng)按表中的數(shù)值乘以0.85。 一個(gè)普通c級螺栓的承載力設(shè)計(jì)值表 3 螺栓 直徑 d 螺栓毛 截面面 積 a 螺栓的 螺紋間 距 p 螺栓有 效截面 面積ae 構(gòu)件鋼 材鋼號 承壓的承載力設(shè)計(jì)值nvb (kn) 受拉的 承載力 設(shè)計(jì)值 ntb (kn) 受剪的承載力 設(shè)計(jì)值nvb (kn) 當(dāng)承壓板的厚度 t (mm) 為 (mm)(mm2)(mm)(mm2)2.534568101214161820222530單剪雙剪 12113.11.7584.3 q2359.211.014.618.322.029.336.643.951.258

11、.665.973.280.591.5109.8 14.315.831.7 q34511.613.918.523.127.737.046.255.464.773.983.292.4101.6115.5138.6 14153.92115.4 q23510.712.817.121.425.634.242.751.259.868.376.985.493.9106.8128.1 19.621.643.1 q34513.516.221.627.032.343.153.964.775.586.297.0107.8118.6134.8161.7 16201.12156.7 q23512.214.619.524

12、.429.339.048.858.668.378.187.897.6107.4122.0146.4 26.628.156.3 q34515.418.524.630.837.049.361.673.986.298.6110.9123.2135.5154.0184.8 18254.52.5192.5 q23513.716.522.027.532.943.954.965.976.987.898.8109.8120.8137.3164.7 32.735.671.3 q34517.320.827.734.741.655.469.383.297.0110.9124.7138.6152.5173.3207.

13、9 20314.22.5244.8 q23515.318.324.430.536.648.861.073.285.497.6109.8122.0134.2152.5183.0 41.644.088.0 q34519.323.130.838.546.261.677.092.4107.8123.2138.6154.0169.4192.5231.0 22380.12.5303.4 q23516.820.126.833.640.353.767.180.593.9107.4120.8134.2147.6167.8201.3 51.653.2106.4 q34521.225.433.942.450.867

14、.884.7101.6118.6135.5152.5169.4186.3211.8254.1 24452.43352.5 q23518.322.029.336.643.958.673.287.8102.5117.1131.8146.4161.0183.0219.6 59.963.3126.7 q34523.127.737.046.255.473.992.4110.9129.4147.8166.3184.8203.3231.0277.2 27572.63459.4 q23520.624.732.941.249.465.982.498.8115.3131.8148.2164.7181.2205.9

15、247.1 78.180.2160.3 q34526.031.241.652.062.483.2104.0124.7145.5166.3187.1207.9228.7259.9311.9 30706.93.5560.6 q23522.927.536.645.854.973.291.5109.8128.1146.4164.7183.0201.3228.8274.5 95.399.0197.9 q34528.934.746.257.869.392.4115.5138.6161.7184.8207.9231.0254.1288.8346.5 一個(gè)普通c級螺栓的承載力設(shè)計(jì)值表 4 螺栓 直徑 d 螺栓

16、毛 截面面 積a 螺栓的 螺紋間 距p 螺栓有 效截面 面積ae 構(gòu)件鋼 材鋼號 承壓的承載力設(shè)計(jì)值nvb受拉的 承載力 設(shè)計(jì)值 ntb(kn) 受剪的承載力 設(shè)計(jì)值nvb(kn) 當(dāng)承壓板的厚度 t (mm) 為 (mm)(mm2)(mm)(mm2)2.534568101214161820222530單剪雙剪 361017.94816.7 q23527.532.943.954.965.987.8109.8131.8153.7175.7197.6219.6241.6274.5329.4 138.8142.5285.0 q34534.741.655.469.383.2110.9138.6166.

17、3194.0221.8249.5277.2304.9346.5415.8 421385.44.51120.9 q23532.038.451.264.176.9102.5128.1153.7179.3205.0230.6256.2281.8320.3384.3 190.6194.0387.9 q34540.448.564.780.997.0129.4161.7194.0226.4258.7291.1323.4355.7404.3485.1 481809.651473.1 q23536.643.958.673.287.8117.1146.4175.7205.0234.2263.5292.8322.

18、1366.0439.2 250.4253.3506.7 q34546.255.473.992.4110.9147.8184.8221.8258.7295.7332.6369.6406.6462.0554.4 562463.05.52030.0 q23542.751.268.385.4102.5136.6170.8205.0239.1273.3307.4341.6375.8427.0512.4 345.1344.8689.6 q34553.964.786.2107.8129.4172.5215.6258.7301.8345.0388.1431.2474.3539.0646.8 643217.06

19、2676.0 q23548.858.678.197.6117.1156.2195.2234.2273.3312.3351.4390.4429.4488.0585.6 454.9450.4900.8 q34561.673.998.6123.2147.8197.1246.4295.7345.0394.2443.5492.8542.1616.0739.2 注：1、表中螺栓的承載力設(shè)計(jì)值按下列公式計(jì)算： 承壓：ncb=d t fcb；受拉：ntb=ae ftb；受剪：nvb=nv a fvb 2、單角鋼單面連接的螺栓，其承載力設(shè)計(jì)值應(yīng)按表中的數(shù)值乘以0.85。 一個(gè)8.8級承壓型高強(qiáng)螺栓的承載力設(shè)計(jì)值

20、表 5 螺栓 性能 等級 螺栓 直徑 d 螺栓毛 截面面 積 a 螺栓的 螺紋間 距 p 螺栓有 效截面 面積ae 構(gòu)件鋼 材鋼號 承 壓 的 承 載 力 設(shè) 計(jì) 值 ncb (kn) 受拉的 承載力 設(shè)計(jì)值 ntb (kn) 受剪的承載力設(shè)計(jì)值nvb (kn) 當(dāng) 承 壓 板 的 厚 度 t (mm) 為 承 剪 面 在 螺 桿 處 承 剪 面 在 螺 紋 處 (mm)(mm2)(mm)(mm2)568101214161820222530單 剪雙 剪單 剪雙 剪 8.8s 16201.12156.7 q23537.645.160.275.290.2105.3120.3135.4150.416

21、5.4188.0225.6 62.750.3100.539.278.3 q34547.256.675.594.4113.3132.2151.0169.9188.8207.7236.0283.2 20314.22.5244.8 q23547.056.475.294.0112.8131.6150.4169.2188.0206.8235.0282.0 97.978.5157.161.2122.4 q34559.070.894.4118.0141.6165.2188.8212.4236.0259.6295.0354.0 22380.12.5303.4 q23551.762.082.7103.4124.

22、1144.8165.4186.1206.8227.5258.5310.2 121.495.0190.175.8151.7 q34564.977.9103.8129.8155.8181.7207.7233.6259.6285.6324.5389.4 24452.43352.5 q23556.467.790.2112.8135.4157.9180.5203.0225.6248.2282.0338.4 141.0113.1226.288.1176.3 q34570.885.0113.3141.6169.9198.2226.6254.9283.2311.5354.0424.8 27572.63459.

23、4 q23563.576.1101.5126.9152.3177.7203.0228.4253.8279.2317.3380.7 183.8143.1286.3114.9229.7 q34579.795.6127.4159.3191.2223.0254.9286.7318.6350.5398.3477.9 30706.93.5560.6 q23570.584.6112.8141.0169.2197.4225.6253.8282.0310.2352.5423.0 224.2176.7353.4140.1280.3 q34588.5106.2141.6177.0212.4247.8283.2318

24、.6354.0389.4442.5531.0 注：1、表中螺栓的承載力設(shè)計(jì)值按下列公式計(jì)算： 承壓：ncb=d t fcb；受拉：ntb=ae ftb；受剪(在螺桿處)：nvb=nv a fvb；受剪(在螺紋處)：nvb=nv ae fvb 2、單角鋼單面連接的螺栓，其承載力設(shè)計(jì)值應(yīng)按表中的數(shù)值乘以0.85。 每1cm長直角角焊縫的承載力設(shè)計(jì)值表 角焊縫的 焊腳尺寸 hf(mm) 受壓、受拉、受剪的承載力設(shè)計(jì)值nfw(kn/cm) 采用自動(dòng)焊、半自動(dòng)焊和e43型焊條的手 工焊焊接q235鋼 采用自動(dòng)焊、半自動(dòng)焊和e50型焊條的手 工焊焊接q345鋼 采用自動(dòng)焊、半自動(dòng)焊和e55型焊條的手 工焊

25、焊接q390、q420鋼 33.364.204.62 44.485.606.16 55.607.007.70 66.728.409.24 88.9611.2012.32 1011.2014.0015.40 1213.4416.8018.48 1415.6819.6021.56 1617.9222.4024.64 1820.1625.2027.72 2022.4028.0030.80 2224.6430.8033.88 2528.0035.0038.50 2831.3639.2043.12 3033.6042.0046.20 注：1.表中數(shù)值按下式計(jì)算：nfwhe lw ffw；he0.7 hf

26、，lw10mm 2.施工條件較差的高空焊縫，承載力乘折減系數(shù)0.9 3.單角鋼單面連接的直角角焊縫，承載力乘折減系數(shù)0.85 4.承受靜載或間接動(dòng)載的正面角焊縫，承載力可乘增大系數(shù)1.22 5.角焊縫的計(jì)算長度應(yīng)取實(shí)際長度減2hf 每1cm長對接焊縫的承載力設(shè)計(jì)值表 焊接件的 較小厚度 t (mm) 自動(dòng)焊、半自動(dòng)焊和e43型焊條的手工焊焊接q235鋼自動(dòng)焊、半自動(dòng)焊和e50型焊條的手工焊焊接q345鋼 受壓的承載 力設(shè)計(jì)值 ncw (kn/cm) 受拉的承載力設(shè)計(jì)值 ntw (kn/cm) 受剪的承載 力設(shè)計(jì)值 nvw (kn/cm) 受壓的承載 力設(shè)計(jì)值 ncw (kn/cm) 受拉、受彎的承載力設(shè)計(jì)值 ntw