QA鋼軸心受壓構(gòu)件的穩(wěn)定系數(shù)

QA鋼軸心受壓構(gòu)件的穩(wěn)定系數(shù)公司內(nèi)部編號：(GOOD-TMMT-MMUT-UUPTY-UUYY-Q235-A鋼軸心受壓構(gòu)件的穩(wěn)定系數(shù)φλ012345678900000——49440.30.308060.20.274710.20.245430.20.220180.10.199970.10.180790.10.164630.10.150490.10.138370.10.127260.1———————000000000000當(dāng)注：鋼管Φ483.5---3.84kg/m(37.67N/m)直角扣件---1.32kg/個(12.95N/個)對接扣件---1.84kg/個(18.04N/個)安全網(wǎng)、塑料編織布—0.002KN/m2鋼管橫桿、剪刀撐—0.04KN/m席子—0.008KN/m2竹笆—0.05KN/m2h---步距l(xiāng)b---立桿橫距l(xiāng)a---立桿縱距立桿與縱向水平桿平均長度0.5m?？奂戒摴苣_手架作業(yè)層面材料自重gk20.410.260.340.290.380.230.460.310.450.300.430.280.510.360.500.350.490.34板底支撐間距0.75欄桿設(shè)置有無有無有無290.350.200.340.190.330.18種類竹串片木、其它沖壓鋼注:扣件式鋼腳手板0.25KN/m2沖壓鋼腳手板0.3KN/m2木、竹串片腳手板0.35KN/m2扣件式鋼管腳手架整體拉結(jié)和防護(hù)材料自重gk330.060.060.060.060.080.110.070.070.070.080.110.190.09040.09220.09580.10300.13360.17862.10.10540.10750.11170.12010.15580.2083料安全料編織布席子竹笆整體拉結(jié)桿件設(shè)置情況增加一道橫桿固定封閉材料半全半全半全封閉類型表5Q235鋼鋼材的強(qiáng)度設(shè)計值與彈性模量抗抗壓0.205彈性模量抗拉、抗彎0.205鋼管截面特性每米重每米重(kg/m截面模徑(Φd截面慣性矩)(t)(t))4.894.52(cm3)作業(yè)層施工荷載計算基數(shù)---qk)b2.250.750.75q0實用施工荷載標(biāo)準(zhǔn)值(kg/m2)321q0990.450.45q090.9q00.6q0表8扣件式鋼管腳手架立桿計算長度系數(shù)連連墻件布置立桿橫距l(xiāng)(m)b單排架雙排架腳手架立桿橫距(m)H(步1距數(shù))組組合風(fēng)荷載構(gòu)件類型受彎構(gòu)件軸心受壓r’m不組合風(fēng)荷載SG個計算單元長度(1.5la)內(nèi)的恒載作GKK用效應(yīng)標(biāo)準(zhǔn)值S=1.5Q即一個計算單元長度(1.5la)內(nèi)的活荷載QKK作用效應(yīng)標(biāo)準(zhǔn)值一步一縱距的鋼管、扣件重N(KN)GK1立桿縱立桿縱步距(m)距(m)2.000.3510.3660.3800.4110.4310.3800.3960.4110.4220.4630.4090.4250.4410.4740.4960.4290.4450.4620.4950.517GK2立桿橫距立桿縱距腳手架上腳手板鋪設(shè)層數(shù)1.3721.3721.7152.0582.2863.3484.1855.0225.5802.3602.9503.5403.9332.2.7133.3914.0694.5213.0663.8324.5985.109.8774.8475.8166.4624.4065.5086.6097.3441.9362.3232.5811.7252.1562.5872.875QK均均布施工荷載1.52.03.02.523.365.043.154.206.303.785.047.564.205.608.402.973.965.943.714.957.434.465.948.914.956.609.903.124.566.844.285.708.556立桿縱距立桿橫距4.06.728.408029.90009.12088.400009.908500505.136.842.02.05.707.60格構(gòu)式壓桿Af000距距h(m)67.52148.49142.98863.64151.26446.38858.47547.02841.60548.49134.36230.32145.44736.35732.80841.60533.28929.302步80.87658.80852.21776.51162.15956.46570.53257.11050.664立桿橫距(m)97.75672.97964.76992.89976.51169.70586.01870.53262.8762.0039.73127.97124.71437.34529.78326.74334.12427.23223.925H1234234234格構(gòu)式壓桿的長細(xì)比入X12.73.03