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

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1、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1．3-1离地面或海平面高度(m)步距地面粗糙度类别ABCD510152030405060708090100150200250300350400≥4500.14030.16550.18230.19550.21590.22030.24350.25430.26590.27230.28070.28790.31670.33950.35870.37430.37430.37430.37430.12000.12000.13670.14990.17030.18710.20030.21230.22310.23390.24230.25070.285

2、50.31310.33590.35630.37430.37430.37430.08880.08880.08880.10080.12000.13550.14990.16190.17390.18470.19430.20390.24350.27590.30470.32990.35270.37430.37430.07440.07440.07440.07440.07440.08760.10080.11160.12240.13310.14270.15230.19310.23030.26270.29390.22150.34910.3743离地面或海平面高度(m)步距h=1.35m地面粗糙度类别ABCD510

3、1520304050607080901001502002500.17760.20950.23080.24750.27330.29150.30820.32180.33400.34460.35520.36440.40080.42960.45390.15180.15180.17310.18980.21560.23680.25350.26870.28240.29600.30670.31730.36130.39620.42510.11230.11230.11230.12750.15180.17160.18980.20490.22010.23380.24590.25810.30820.34920.3856

4、0.09410.09410.09410.09410.09410.11080.12750.14120.15490.16850.18070.19280.24440.29150.3325300350400≥4500.47370.47370.47370.47370.45090.47370.47370.47370.41750.44630.47370.47370.37190.40690.44180.4737离地面或海平面高度(m)步距h=1.5m地面粗糙度类别ABCD510152030405060708090100150200250300350400≥4500.21930.25860.28490.3055

5、0.33740.35990.38050.39730.41230.42550.43860.44980.49480.53040.56040.58480.58480.58480.58480.18740.18740.21370.23430.26610.29240.31300.33170.34860.36550.37860.39170.44610.48920.52480.55670.58480.58480.58480.13870.13870.13870.15740.18740.21180.23430.25300.27180.28860.30360.31860.38050.43110.47610.5154

6、0.55100.58480.58480.11620.11620.11620.11620.11620.13680.15740.17430.19120.20800.22300.23800.30180.35990.41050.45920.50230.54540.5848离地面或海平面高度(m)步距h=1.6m地面粗糙度类别ABCD5lO152030405060708090100150200250300350400≥4500.24950.29430.32410.34760.38380.40940.43290.45210.46910.48410.49900.51180.56300.60450.63760

7、.66530.66530.66530.66530.21320.21320.24310.26660.30280.33270.35610.37740.39660.41580.43080.44570.50750.55660.59710.63330.66530.66530.66530.15780.15780.15780.17910.21320.24100.26660.28790.30920.32840.3