【某超大跨徑鋼桁梁懸索橋貓道施工抗風(fēng)穩(wěn)定性分析案例6200字】

表STYLEREF1\s415所示。表STYLEREF1\s4SEQ表\*ARABIC\s111最大施工風(fēng)速（V10=14m/s）貓道最大拉應(yīng)力（迎風(fēng)側(cè)）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）YA1/4148.82146.61M5/8166.68162.33YA1/2149.65142.36M3/4167.37165.74YA3/4147.84149.13M7/8165.51170.04M1/8168.35172.37KD1/4164.58151.15M1/4168.62166.76KD1/2166.95145.25M3/8166.20163.12KD3/4162.64146.62M1/2165.66161.01表STYLEREF1\s4SEQ表\*ARABIC\s112最大施工風(fēng)速（V10=14m/s）貓道最大拉應(yīng)力（背風(fēng)側(cè)）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）YA1/4148.31146.93M5/8167.41163.91YA1/2151.11142.62M3/4168.35167.48YA3/4149.23149.94M7/8168.12172.09M1/8170.56174.30KD1/4165.99152.89M1/4169.71168.46KD1/2168.45146.63M3/8166.85164.65KD3/4162.45148.05M1/2166.56162.51表STYLEREF1\s4SEQ表\*ARABIC\s113設(shè)計(jì)風(fēng)速（V10=28.7m/s）貓道最大拉應(yīng)力（迎風(fēng)側(cè)）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）YA1/4152.74155.89M5/8178.12178.67YA1/2153.62151.43M3/4180.32182.88YA3/4152.25158.50M7/8172.20187.36M1/8176.05189.93KD1/4172.49158.35M1/4180.36184.06KD1/2174.01152.07M3/8178.07179.57KD3/4170.63153.50M1/2176.80176.94表STYLEREF1\s4SEQ表\*ARABIC\s114設(shè)計(jì)風(fēng)速（V10=28.7m/s）貓道最大拉應(yīng)力（背風(fēng)側(cè)）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）位置貓道承重繩最大拉應(yīng)力（MPa）門架承重繩最大拉應(yīng)力（MPa）YA1/4152.22157.42M5/8177.33183.09YA1/2155.15152.90M3/4180.96187.49YA3/4153.14160.58M7/8176.64192.36M1/8182.03194.36KD1/4171.48165.20M1/4182.33188.34KD1/2173.17158.32M3/8176.74183.84KD3/4167.16159.84M1/2177.39181.30貓道施工舒適度評(píng)價(jià)由于設(shè)計(jì)風(fēng)速情況下工人已經(jīng)停止施工，不影響舒適度，所以施工狀態(tài)下的舒適度評(píng)價(jià)只討論能夠施工的風(fēng)速情況。在最大施工風(fēng)速V10=14m/s時(shí)，最大的豎向和側(cè)向加速度RYA值分別為11.818gal和12.878gal。目前我國(guó)尚無(wú)振動(dòng)舒適度方面的相關(guān)規(guī)范規(guī)程，通常在分析評(píng)估過(guò)程中只能借用國(guó)外的相關(guān)規(guī)范。參考英國(guó)規(guī)范BS6472-1:2008Guidetoevaluationofhumanexposure