>> P.182
4辺支持等分布荷重4辺固定等分布荷重aβ0.2870.3320.3760.4160.4530.4870.5170.5450.5690.5910.6100.7130.7410.7480.750bα0.04430.05300.06160.06970.07700.08430.09060.09640.10170.10640.11060.13360.14000.14160.1422b/a1.01.11.21.31.41.51.61.71.81.92345∞aβ0.3080.3480.3840.4120.4360.4540.4680.4790.4870.4930.4970.500bα0.01380.01640.01880.02090.02260.02400.02510.02600.02680.02720.02770.0284b/a1.01.11.21.31.41.51.61.71.81.92∞但しν=0.3の場合平板中央に集中荷重がかかる場合、支持方法が分かれば次式によりたわみ量を計算できる。たわみ量δ=αPa2Et3P:集中荷重(mm)〔cm〕(N)〔kgf〕(mm)〔cm〕(mm)〔cm〕(MPa)〔kgf/㎝2〕a:短辺の長さt:板厚E:曲げ弾性率α:支持方法により定まる係数4辺支持中央部集中荷重4辺固定中央部集中荷重a/2a/2a/2a/2aa/2a/2a/2a/2ab/2b/2bb/a1.01.11.21.41.61.823∞α0.12670.13810.14770.16210.17140.17690.18030.18450.1851b/2b/2bb/a1.01.21.41.61.82∞α0.06120.07070.07550.07780.07860.07880.0792但しν=0.3の場合6-15
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