由风荷载设计值产生的扣件式双排钢管脚手架立杆段的弯矩系数Kn.doc

由风荷载设计值产生的扣件式双排钢管脚手架立杆段的弯矩系数 (m2) 表13-1离地面或海平面高度(m)步距地面粗糙度类别ABCD5101520304050607080901001502002503003504004500.14030.16550.18230.19550.21590.22030.24350.25430.26590.27230.28070.28790.31670.33950.35870.37430.37430.37430.37430.12000.12000.13670.14990.17030.18710.20030.21230.22310.23390.24230.25070.28550.31310.33590.35630.37430.37430.37430.08880.08880.08880.10080.12000.13550.14990.16190.17390.18470.19430.20390.24350.27590.30470.32990.35270.37430.37430.07440.07440.07440.07440.07440.08760.10080.11160.12240.13310.14270.15230.19310.23030.26270.29390.22150.34910.3743离地面或海平面高度(m)步距h=1.35m地面粗糙度类别ABCD5101520304050607080901001502002503003504004500.17760.20950.23080.24750.27330.29150.30820.32180.33400.34460.35520.36440.40080.42960.45390.47370.47370.47370.47370.15180.15180.17310.18980.21560.23680.25350.26870.28240.29600.30670.31730.36130.39620.42510.45090.47370.47370.47370.11230.11230.11230.12750.15180.17160.18980.20490.22010.23380.24590.25810.30820.34920.38560.41750.44630.47370.47370.09410.09410.09410.09410.09410.11080.12750.14120.15490.16850.18070.19280.24440.29150.33250.37190.40690.44180.4737离地面或海平面高度(m)步距h=1.5m地面粗糙度类别ABCD5101520304050607080901001502002503003504004500.21930.25860.28490.30550.33740.35990.38050.39730.41230.42550.43860.44980.49480.53040.56040.58480.58480.58480.58480.18740.18740.21370.23430.26610.29240.31300.33170.34860.36550.37860.39170.44610.48920.52480.55670.58480.58480.58480.13870.13870.13870.15740.18740.21180.23430.25300.27180.28860.30360.31860.38050.43110.47610.51540.55100.58480.58480.11620.11620.11620.11620.11620.13680.15740.17430.19120.20800.22300.23800.30180.35990.41050.45920.50230.54540.5848离地面或海平面高度(m)步距h=1.6m地面粗糙度类别ABCD5lO1520304050607080901001502002503003504004500.24950.29430.32410.34760.38380.40940.43290.45210.46910.48410.49900.51180.56300.60450.63760.66530.66530.66530.66530.21320.21320.24310.26660.30280.33270.35610.37740.39660.41580.43080.44570.50750.55660.59710.63330.66530.66530.66530.15780.15780.15780.17910.21320.24100.26660.28790.30920.32840.34550.36250.43290.49050.54160.58640.62690.66530.66530.13220.13220.13220.13220.13220.15570.17910.19830.21750.23670.25380.27080.34330.40940.46700.52250.57150.62060.6653离地面或海平面高度(m)步距h=1.65m地面粗糙度类别ABCD5101520304050607080901001502002503003504004500.26530.31300.34470.36970.40820.43540.46040.48080.49890.51480.53070.54430.59870.64180.67810.70760.70760.70760.70760.22680.22680.25850.28350.32200.35380.37870.40140.42180.44220.45810.47400.53970.59190.63500.67350.70760.70760.70760.16780.16780.16780.19050.22680.25630.28350.30620.32880.34920.36740.38550.46040.52160.57600.62370.66670.70760.70760.14060.14060.14060.14060.14060.16560.19050.21090.23130.25170.26990.28800.36510.43540.49670.55560.60780.65990.7076离地面或海平面高度(m)步距h=1.70m地面粗糙度类别ABCD5lO1520304050607080901001502002503003504004500.28170.33220.36590.39240.43330.46220.48870.51040.52960.54650.56330.57780.63550.68130.71980.75110.75110.75110.75110.24070.24070.27440.30090.34180.37550.40ZO0.42610.44780.46940.48630.50310.57300.62830.67410.71500.75110.75110.75110.17810.1781017810.20220.24070.27200.30090.32500.34910.37070.39000.40930.48870.55370.61150.66200.70780.75110.75110.14930.14930.14930.14930.14930.17570.20220.22390.24560.26720.28650.30570.38760.46220.52720.58980.64520.70050.7511离地面或海平面高度(m)步距h=1.75m地面粗糙度类别ABCD510152D304050607080901001502002503003504004500.29850.35200.38780.41580.45920.48980.51790.54080.56120.57910.59690.61230.67350.72200.76280.79590.79590.79590.79590.25510.25510.29080,31890.36230.39800.42600.45150.47450.49750.51530.53320.60720.66580.71430.75770.79590.79590.79590.18880.18880.18880.21430.25510.28830.31890.34440.36990.39290.41330.43370.51790.58670.64800.70150.75000.79590.79590.15820.15820.15820.15820.15820.18620.21430.23720.26020.28320.30360.32400.41070.48980.55870.62500.68370.74240.7959离地面或海平面高度(m)步距h=1.80m地面粗糙度类别ABCD51O1520304050607080901001502002503003504004500.31580.37240.41020.43990.48580.51820.54790.57220.59380.61270.63150.64770.71250.76380.80700.84210.84210.84210.84210.26990.26990.30770.33740.38320.42100.45070.47770.50200.52630.54520.56410.64230.70440.75570.80160.84210.84210.84210.19970.19970.19970.22670.26990.30500.33740.36440.3913O.41560.43720.45880.54790.62080.68550.74220.79350.84210.84210.16730.16730.16730.16730.16730.19700.22670.25100.27530.29960.32120.34280.43450.51820.59110.66120.72330.78540.8421离地面或海平面高度(m)步距h=2.00m地面粗糙度类别ABCD5101520304050607080901001502002503003504004500.38980.45980.50650.54310.59980.63970.67640.70640.73300.75640.77970.79970.87960.94300.99631.03961.03961.03961.03960.33320.33320.37980.41650.47310.51980.55640.58980.61980.64970.67310.69640.79300.86970.93300.98961.039