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    工字鋼的截面尺寸、截面面積、理論重量及截面特性

           本表根據(jù)《GB/T 706-2016 熱軋型鋼》整理,主要列出了不同型號(hào)工字鋼的幾何尺寸(如高度h、翼緣寬度b、腹板厚度d等)、截面面積、理論重量以及慣性矩、截面模數(shù)等關(guān)鍵力學(xué)指標(biāo)。該表可為工程設(shè)計(jì)中工字鋼的選型、強(qiáng)度與穩(wěn)定性計(jì)算提供重要依據(jù)。隨著型號(hào)增大,工字鋼的截面尺寸和承載能力逐步提高,同時(shí)自重也相應(yīng)增加,適用于不同受力條件和結(jié)構(gòu)需求的工程場(chǎng)景。



    表1 工字鋼截面尺寸、面積、特性與理論重量

    型號(hào)截面尺寸/mm截面面積/cm2
    理論
    重量/
    kg/m
    外表
    面積/
    m2/m
    慣性矩/cm4慣性半徑/cm截面模數(shù)/cm3

    高度

    h

    腿寬度

    b

    腰厚度

    d

    腿中間厚度

    t

    內(nèi)圓弧半徑

    r

    腿 端圓弧半徑

    r1

    IxIyixiyWxWy
    10100684.57.66.53.314.3311.30.432245334.141.52499.72
    121207458.473.517.8140.49343646.94.951.6272.712.7
    12.61267458.473.518.114.20.50548846.95.21.6177.512.7
    14140805.59.17.53.821.516.90.55371264.45.761.7310216.1
    161608869.98426.1120.50.621113093.16.581.8914121.2
    18180946.510.78.54.330.7424.10.68116601227.36218526
    20a200100711.494.535.5527.90.74223701588.152.1223731.5
    20b200102911.494.539.5531.10.74625001697.962.0625033.1
    22a2201107.512.39.54.842.133.10.81734002258.992.3130940.9
    22b2201129.512.39.54.846.536.50.82135702398.782.2732542.7
    24a24011681310547.7137.50.87845702809.772.4238148.4
    24b240118101310552.5141.20.88248002979.572.3840050.4
    25a25011681310548.5138.10.898502028010.22.440248.3
    25b250118101310553.51420.90252803099.942.442352.4
    27a2701228.513.710.55.354.5242.80.958655034510.92.5148556.6
    27b27012410.513.710.55.359.92470.962687036610.72.4750958.9
    28a2801228.513.710.55.355.3743.50.978711034511.32.550856.6
    28b28012410.513.710.55.360.9747.90.982748037911.12.4953461.2
    30a300126914.4115.561.2248.11.031895040012.12.5559763.5
    30b3001281114.4115.567.2252.81.035940042211.82.562765.9
    30c3001301314.4115.573.2257.51.039985044511.62.4665768.5
    32a3201309.51511.55.867.1252.71.0841110046012.82.6269270.8
    32b32013211.51511.55.873.5257.71.0881160050212.62.6172676
    32c32013413.51511.55.879.9262.71.0921220054412.32.6176081.2
    36a3601361015.812676.44601.1851580055214.42.6987581.2
    36b3601381215.812683.6465.71.1891650058214.12.6491984.3
    36c3601401415.812690.8471.31.1931730061213.82.696287.4
    40a40014210.516.512.56.386.0767.61.2852170066015.92.77109093.2
    40b40014412.516.512.56.394.0773.81.2892280069215.62.71114096.2
    40c40014614.516.512.56.3102.180.11.2932390072715.22.65119099.6
    45a45015011.51813.56.8102.480.41.411.3220085517.72.891430114
    45b45013213.51813.56.8111.487.41.4153380089417.42.841500118
    45c45015415.51813.56.8120.494.51.4193530093817.12.791570122
    50a5001381220147119.293.61.53946500112019.73.071860142
    50b5001601420147129.21011.34348600I 17019.43.011940146
    50c5001621620147139.21091.547506001220192.962080151
    55a55016612.52114.57.3134.11051.66762900137021.63.192290164
    55b55016814.52114.57.3145.11141.67165600142021.23.142390170
    55c55017016.52114.57.3156.11231.67568400148020.93.082490175
    56a56016612.52114.57.3135.41061.687656001370223,182340165
    56b56016814.52114.57.3146.61151.69168500149021.63.162450174
    56c56017016.52114.57.3157.81241.69571400156021.33.162550183
    63a6301761322157.5154.61211.86293900170024.53.31.2980193
    63b6301781522157.5167.21311.86698100181024.23.293160204
    63c6301801722157.5179.81411.87102000192023.83.273300214

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