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美國寬翼緣鋼梁

關於美國寬翼鋼梁的參考數據和工程資訊,用於材料特性應用。

americanwideflangesteel

概覽

美國寬翼梁(W梁)是依據ASTM A6標準化的結構鋼截面。其寬翼緣垂直於腹板,提供對兩個軸的高彎曲抗力,使其成為地板構架、屋頂梁和橋梁構件最常見的選擇。

標記格式為 W [深度(英寸)] × [重量(磅/英尺)] — 例如,W 24 × 104 名義上深度為24英寸,每線性英尺重104磅力。

hwstxy
American wide flange beam cross-section dimensions

關鍵公式

彎曲應力

σ=McIx\sigma = \frac{M \cdot c}{I_x}

其中 M 為施加的彎矩,c 為從中性軸到最外緣的距離(對於W梁約為 h/2),I_x 為強軸慣性矩。

彈性截面模數

Sx=IxcS_x = \frac{I_x}{c}

截面模數將幾何形狀結合為單一值,使得 σ=M/Sx\sigma = M / S_x

變數

符號說明單位
σ\sigma彎曲應力psi
MM彎矩lbf·in
cc中性軸到最外纖維的距離in
IxI_x強軸慣性矩in⁴
SxS_x強軸彈性截面模數in³

梁特性 — 選定尺寸

常見W梁標記的代表性英制特性(ASTM A6)。

15
根據 ASTM A6(英制單位)的美國寬翼梁特性選定
規格
深度 h(in)
寬度 w(in)
腹板 tw(in)
翼緣 tf(in)
面積(in²)
重量(lbf/ft)
Ix(in⁴)
Iy(in⁴)
Sx(in³)
Sy(in³)
W 27 x 17827.814.090.7251.1952.3178699059050283.7
W 27 x 9426.9100.490.74527.794327012424324.8
W 24 x 13124.512.90.6050.9638.5131402034032953
W 24 x 6823.78.970.4150.58520.168183070.415415.7
W 21 x 11121.512.340.550.87532.7111267024824940.2
W 21 x 5020.86.530.380.53514.75098424.994.57.64
W 18 x 7618.211.040.4250.6822.376133015214627.6
W 18 x 3517.760.30.42510.33551015.357.65.12
W 14 x 8214.3110.130.510.85524.18288214812329.3
W 14 x 3413.986.7450.2850.455103434023.348.66.91
W 12 x 7212.2512.040.430.6721.17259719597.432.4
W 12 x 2612.226.490.230.387.72620417.333.45.34
W 10 x 499.98100.340.5614.44927293.454.618.7
W 10 x 1910.244.020.250.3955.61996.34.2918.82.14
W 8 x 408.258.070.360.5611.74014649.135.512.2

來源: engineeringtoolbox.com

計算器 — 施加彎矩引起的彎曲應力

彎曲應力檢查

寬翼梁單位轉換器

計算載重

原始來源引導讀者至梁載重工具,包括兩端支撐梁、一端固定另一端支撐梁以及兩端固定梁。下方計算器在此遷移頁面上直接保留最常見的功能等效工具。

簡支梁 - 均勻載重

簡支梁 - 中心點載重

懸臂梁 - 端點負載

來源文本已保留

Engineering ToolBox - 工程與技術應用設計的資源、工具和基本資訊。

W 型鋼 - 寬翼鋼梁 - 是堅固、結實的梁,其寬翼垂直於材料的腹板,賦予它們特徵形狀,並與 I 型鋼區分開來。根據 ASTM A6 的美國寬翼鋼梁以英制單位表示的屬性如下所示。對於包含深度、寬度、腹板和翼板厚度以及截面面積的完整表格,請將窄螢幕橫向旋轉。

根據 ASTM A6 的美國寬翼鋼梁 - 公制單位。

根據 ASTM A6 的美國寬翼鋼梁 - 公制單位

對於包含深度、寬度、腹板和翼板厚度以及截面面積的完整表格 - 請旋轉螢幕!

指定美國寬翼鋼梁尺寸的標準方法例如 W 6 x 25,其深度為 6 英寸,重量為 25 磅/英尺。相關的 I 形截面梁系列包括英國通用樑和通用柱、歐洲 IPE/HE/HL/HD 截面,以及美國寬翼和 H 截面。

下面完整的還原來源表保留了原始的英制 W 型鋼形狀數據。來源表有 135 個非空行:3 個分組標題行加上 132 個 W 型鋼數據行。下面的 DataTable 保留了這些 132 個梁行作為數據行,並將分組標題信息保留在列標籤中。公制轉換應使用上面的轉換器從表格中的英制值進行;檢查完整表格時請將窄螢幕橫向旋轉。

還原的原始來源表

以下表格從原始來源頁面還原,以保留完整的參考數據。

W 型鋼 - 美國寬翼鋼梁 - 靜態參數

132
W-Beams - American Wide Flange Beams - Static Parameters
Ix (in4)
Iy (in4)
Sx (in3)
Sy (in3)
翼板厚度tf(in)
截面面積 (in2)
重量 (lbf/ft)
靜態參數
靜態參數
靜態參數
靜態參數
W 27 x 17827.814.090.7251.1952.3178699055550278.8
W 27 x 16127.614.020.661.0847.4161628049745570.9
W 27 x 14627.4140.6050.97542.9146563044341163.5
W 27 x 11427.310.070.570.9333.5114409015929931.5
W 27×10227.110.020.5150.8330102362013926727.8
W 27 x 9426.9100.490.74527.794327012424324.8
W 27 x 8426.79.960.460.6424.884285010621321.2
W 24 x 16225130.7051.2247.7162517044341468.4
W 24 x 14624.712.90.651.0943146458039137160.5
W 24 x 13124.512.90.6050.9638.5131402034032953
W 24 x 11724.312.80.550.8534.4117354029729146.5
W 24×10424.112.750.50.7530.6104310025925840.7
W 24 x 9424.19.070.5150.87527.794270010922224
W 24 x 8424.19.020.470.7724.784237094.419620.9
W 24 x 7623.990.440.6822.476210082.517618.4
W 24 x 6823.78.970.4150.58520.168183070.415415.7
W 24 x 6223.77.040.430.5918.262155034.51319.8
W 24 x 5523.67.010.3950.50516.255135029.11148.3
W 21 x 14722.112.510.721.1543.2147363037632960.1
W 21 x 13221.812.440.651.03538.8132322033329553.5
W 21 x 12221.712.390.60.9635.9122296030527349.2
W 21 x 11121.512.340.550.87532.7111267027424944.5
W 21×10121.412.290.50.829.8101242024822740.3
W 21 x 9321.68.420.580.9327.393207092.919222.1
W 21 x 8321.48.360.5150.83524.383183081.417119.5
W 21 x 7321.28.30.4550.7421.573160070.615117
W 21 x 6821.18.270.430.6852068148064.714015.7
W 21 x 62218.240.40.61518.362133057.512713.9
W 21 x 5721.16.560.4050.6516.757117030.61119.4
W 21 x 5020.86.530.380.53514.75098424.994.57.6
W 21 x 4420.76.50.350.45134484320.781.66.4
W 18 x 1191911.270.6551.0635.1119219025323144.9
W 18×10618.711.20.590.9431.1106191022020439.4
W 18 x 9718.611.150.5350.8728.597175020118836.1
W 18 x 8618.411.090.480.7725.386153017516631.6
W 18 x 7618.211.040.4250.6822.376133015214627.6
W 18 x 7118.57.640.4950.8120.871117060.312715.8
W 18 x 6518.47.590.450.7519.165107054.811714.4
W 18 x 6018.27.560.4150.69517.66098450.110813.3
W 18 x 5518.17.530.390.6316.25589044.998.311.9
W 18 x 50187.50.3550.5714.75080040.188.910.7
W 18 x 4618.16.060.360.60513.54671222.578.87.4
W 18 x 4017.96.020.3150.52511.84061219.168.46.4
W 18 x 3517.760.30.42510.33551015.357.65.1
W 16×10016.9710.4250.5850.98529.4100149018617535.7
W 16 x 8916.7510.3650.5250.87526.289130016315531.4
W 16 x 7716.5210.2950.4550.7622.677110013813426.9
W 16 x 6716.3310.2350.3950.66519.76795411911723.2
W 16 x 5716.437.120.430.71516.85775843.192.212.1
W 16 x 5016.267.070.380.6314.75065937.28110.5
W 16 x 4516.137.0350.3450.56513.34558632.872.79.3
W 16 x 4016.016.9950.3050.50511.84051828.964.78.3
W 16 x 3615.866.9850.2950.4310.63644824.556.57
W 16 x 3115.885.5250.2750.449.123137512.447.24.5
W 16 x 2615.695.50.250.3457.68263019.638.43.5
W 14 x 13214.6614.7250.6451.0338.8132153054820974.5
W 14 x 12014.4814.670.590.9435.3120138049519067.5
W 14×10914.3214.6050.5250.8632109124044717361.2
W 14 x 9914.1614.5650.4850.7829.199111040215755.2
W 14 x 9014.0214.520.440.7126.59099936214349.9
W 14 x 8214.3110.130.510.85524.18288214812329.3
W 14 x 7414.1710.070.450.78521.87479613411226.6
W 14 x 6814.0410.0350.4150.72206872312110324.2
W 14 x 6113.899.9950.3750.64517.96164010792.221.5
W 14 x 5313.928.060.370.6615.65354157.777.814.3
W 14 x 4813.798.030.340.59514.14848551.470.312.8
W 14 x 4313.667.9950.3050.5312.64342845.262.711.3
W 14 x 3814.16.770.310.51511.23838526.754.67.9
W 14 x 3413.986.7450.2850.455103434023.348.66.9
W 14 x 3013.846.730.270.3858.853029119.6425.8
W 14 x 2613.915.0250.2550.427.69262458.935.33.5
W 14 x 2213.7450.230.3356.49221997292.8
W 12 x 13613.4112.40.791.2539.9136124039818664.2
W 12 x 12013.1212.320.711.10535.3120107034516356
W 12×10612.8912.220.610.9931.210693330114549.3
W 12 x 9612.7112.160.550.928.29683327013144.4
W 12 x 8712.5312.1250.5150.8125.68774024111839.7
W 12 x 7912.3812.080.470.73523.27966221610735.8
W 12 x 7212.2512.040.430.6721.17259719597.432.4
W 12 x 6512.12120.390.60519.16553317487.929.1
W 12 x 5812.1910.010.360.6417584751077821.4
W 12 x 5312.069.9950.3450.57515.65342595.870.619.2
W 12 x 5012.198.080.370.6414.75039456.364.713.9
W 12 x 4512.068.0450.3350.57513.2453505058.112.4
W 12 x 4011.948.0050.2950.51511.84031044.151.911
W型 12 x 3512.56.560.30.5210.33528524.545.67.5
W型 12 x 3012.346.520.260.448.83023820.338.66.2
W型 12 x 2612.226.490.230.387.72620417.333.45.3
W型 12 x 2212.314.030.260.4256.5221564.725.42.3
W型 12 x 1912.164.0050.2350.355.6191303.821.31.9
W型 12 x 1611.993.990.220.2654.7161032.817.11.4
W型 12 x 1411.913.970.20.2254.21488.62.414.91.2
W型 10 x 11211.3610.4150.7551.2532.911271623612645.3
W型 10×10011.110.340.681.11229.410062320711240
W型 10 x 8810.8410.2650.6050.9925.98853417998.534.8
W型 10 x 7710.610.190.530.8722.67745515485.930.1
W型 10 x 6810.410.130.470.77206839413475.726.4
W型 10 x 6010.2210.080.420.6817.66034111666.723
W型 10 x 5410.0910.030.370.61515.8543031036020.6
W型 10 x 499.98100.340.5614.44927293.454.618.7
W型 10 x 4510.18.020.350.6213.34524853.449.113.3
W型 10 x 399.927.9850.3150.5311.5392094542.111.3
W型 10 x 339.737.960.290.4359.713317036.6359.2
W型 10 x 3010.475.810.30.518.843017016.732.45.8
W型 10 x 2610.335.770.260.447.62614414.127.94.9
W型 10 x 2210.175.750.240.366.52211811.423.24
W型 10 x 1910.244.020.250.3955.61996.34.318.82.1
W型 10 x 1710.114.010.240.3351781.93.616.21.8
W型 10 x 159.9940.230.274.41568.92.913.81.5
W型 10 x 129.873.960.190.213.51253.82.210.91.1
W型 8 x 6798.280.570.93519.76727288.660.421.4
W型 8 x 588.758.220.510.8117.15822875.15218.3
W型 8 x 488.58.110.40.68514.14818460.943.315
W型 8 x 408.258.070.360.5611.74014649.135.512.2
W型 8 x 358.128.020.310.49510.33512742.631.210.6
W 8 x 3187.9950.2850.4359.13111037.127.59.3
W 8 x 288.066.5350.2850.4658.3289821.724.36.6
W 8 x 247.936.4950.2450.47.12482.818.320.95.6
W 8 x 218.285.270.250.46.22175.39.818.23.7
W 8 x 188.145.250.230.335.31861.9815.23
W 8 x 158.114.0150.2450.3154.415483.411.81.7
W 8 x 137.9940.230.2553.81339.62.79.91.4
W 8×107.893.940.170.2052.91030.82.17.81.1
W 6 x 256.386.080.320.4557.32553.417.116.75.6
W 6 x 206.26.020.260.3655.92041.413.313.44.4
W 6 x 166.284.030.260.4054.71632.14.410.22.2
W 6 x 155.995.990.230.264.41529.19.39.73.1
W 6 x 126.0340.230.283.61222.137.31.5
W 6 x 95.93.940.170.2152.7916.42.25.61.1
W 5 x 195.155.030.270.435.51926.29.110.23.6
W 5 x 165.0150.240.364.71621.37.58.53
W 4 x 134.164.060.280.3453.81311.33.95.51.9

來源: engineeringtoolbox.com

工程備註

  • ASTM A6 公差涵蓋深度、翼板寬度、腹板直線度及側彎。關鍵應用務必查驗工廠檢驗證明。
  • 緊湊型與非緊湊型翼板:受壓翼板的局部挫曲行為取決於 b/t 比值(翼板寬厚比)。請參閱 AISC 360 表 B4.1b 以對各斷面進行分類。
  • 側向扭轉挫曲會在無支撐長度超過 LpL_p 時降低可用彎矩容量。表列的 Sx 僅適用於具有充分支撐的塑性或緊湊範圍。
  • 深度與重量的取捨:在同一公稱深度群組中,較重的型號具有較厚的翼板與腹板,可提升 Ix 及腹板抗剪能力,但代價是增加重量。
  • 接合方式:寬翼板提供充裕的表面積,適用於螺栓剪力板及彎矩端板等細部。仍須依據 AISC 的最小邊距規定核對翼板寬度。
  • 公制換算可由 ASTM A6 取得,適用於相同型鋼系列;公稱深度經換算後四捨五入至最接近的毫米。

參考資料