1、Q235-A鋼軸心受壓構件的穩定系數入012345678901.0000.9970.9950.9920.9890.9870.9840.9810.9790.976100.9740.9710.9680.9660.9630.9600.9580.9550.9520.949200.9470.9440.9410.9380.9360.9330.9300.9270.9240.921300.9180.9150.9120.9090.9060.9030.8990.8960.8930.889400.8860.8820.8790.8750.8720.8680.8640.8610.8580.855500.8520.849

2、0.8460.8430.8390.8360.8320.8290.8250.822600.8180.8140.8100.8060.8020.7970.7930.7890.7840.779700.7750.7700.7650.7600.7550.7500.7440.7390.7330.728800.7220.7160.7100.7040.6980.6920.6860.6800.6730.667900.6610.6540.6480.6410.6340.6250.6180.6110.6030.5951000.5880.5800.5730.5660.5580.5510.5440.5370.5300.52

3、31100.5160.5090.5020.4960.4890.4830.4760.4700.4640.4581200.4520.4460.4400.4340.4280.4230.4170.4120.4060.4011300.3960.3910.3860.3810.3760.3710.3670.3620.3570.3531400.3490.3440.3400.3360.3320.3280.3240.3200.3160.3121500.3080.3060.3010.2980.2940.2910.2870.2840.2810.2771600.2740.2710.2680.2650.2620.2590

4、.2560.2530.2510.2481700.2450.2430.2400.2370.2350.2320.2300.2270.2250.2231800.2200.2180.2160.2140.2110.2090.2070.2050.2030.2011900.1990.1970.1950.1930.1910.1890.1880.1860.1840.1822000.1800.1790.1770.1750.1740.1720.1710.1690.1670.1662100.1640.1630.1610.1600.1590.1570.1560.1540.1530.1522200.1500.1490.1

5、480.1460.1450.1440.1430.1410.1410.1392300.1380.1370.1360.1350.1330.1320.1310.1300.1290.1282400.1270.1260.1250.1240.1230.1220.1210.1200.1190.1182500.117當入250時,4=7320/入中立桿:110h0.4131ah0.377lb0.259邊立桿:110h0.4131ah0.188lb-0.372角立桿:110h0.413h30.188lalb0.485注：鋼管48M3.5-3.84kg/m(37.67N/m)直角扣件-1.32kg/個(12.95

6、N/個)對接扣件-1.84kg/個(18.04N/個)安全網、塑料編織布一0.002KN/m2鋼管橫桿、剪刀撐一0.04KN/m立桿縱距席子一0.008KN/m2竹笆一0.05KN/mh步距lb立桿橫距la立桿與縱向水平桿平均長度0.5m。扣件式鋼管腳手架作業層面材料自重gk2表3種類板底支撐間距(m)欄桿設置gk2,lb(m)為以下時：0.91.21.51.8竹串片0.75有0.35870.41120.46370.5162無0.20870.26120.31370.3662木、其它1.0有0.34590.34840.45090.5034無0.19590.29840.30090.3534沖壓鋼1

7、.5有0.33310.38560.43810.4906無0.18310.23560.28810.3406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和防護材料自重gk3圍護材料封閉舊gk3,la(m)為以下時：整體拉結桿件設置情況1.21.51.82.1男力撐、增加一道橫桿固定封閉材料安全網、塑料編織布半0.06020.07530.09040.1054全0.06140.07680.09220.1075席子半0.06380.07980.09580.1117全0.06860.08580.10300.1201竹笆半0.08

8、900.11130.13360.1558全0.11900.19880.17860.2083表5Q235鋼鋼材的強度設計值與彈性模量抗拉、抗彎_2、f(KN/mm)抗壓_2、fc(KN/mm)彈性模量2、E(KN/mm)0.2050.20522.06X10表6鋼管截面特性外徑(d)壁厚(t)A(cm2)慣性矩I(cm4)截面模量W(cm3)回轉半徑(cm)每米重(kg/m)483.54.8912.1-95.081.583.84513.04.5213.085.131.703.55作業層施工荷載計算基數-qk表7實用施工荷載標準值(kg/m2)qk,當lb為以下時(KN/m)0.91.21.51.8

9、31.351.82.252.720.91.21.51.810.450.60.750.9q。0.45q00.6q00.75q00.9q0表8扣件式鋼管腳手架立桿計算長度系數N立.桿橫距lb(m)連墻件布置2步3跨3步3跨雙排架1.051.501.701.301.551.751.551.601.80單排架1.85表9換算長細比N腳手架立桿橫距腳手架與主體結構連墻點的堅向間距H1(步距數)(m)2h3h4h1.052520161.303224191.55403024表ior'm的取值或計算式構件類型r'm不組合風荷載組合風荷載受彎構件1.1705Sk+9kM/(Sgk+1.15&am

10、p;K)1.1705軸心受壓1.5607(Sgk+Sqk)/(Sgk+1.15&K)1.5607注：Sgk=1.5Gk即一個計算單元長度(1.5la)內的恒載作用效應標準值Sqk=1.5QK即一個計算單元長度(1.5la)內的活荷載作用效應標準值步一縱距的鋼管、扣件重Ngki(KN)表11立桿縱距(m)步距(m)1.21.351.501.802.001.20.3510.3660.3800.4110.4311.50.3800.3960.4110.4220.4631.80.4090.4250.4410.4740.4962.00.4290.4450.4620.4950.517腳手架1個立桿縱

11、距的附設構件及物品的重力Ngk2(KN)表12立桿橫距（m）立桿縱距（m）腳手架上腳手板鋪設層數2層4層6層1.051.21.3722.3603.3481.51.7152.9504.1851.82.0583.5405.0222.02.2863.9335.5801.301.21.5492.7133.8771.51.9363.3914.8471.82.3234.0695.8162.02.5814.5216.4621.551.21.7253.0664.4061.52.1563.8325.5081.82.5874.5986.6092.02.8755.1097.3441個立桿縱距的施工荷載Nqk表13立

12、桿橫距（m）立桿縱距（m）均布施工荷載（KN/m2）1.52.03.04.05.01.051.22.523.365.046.728.401.53.154.206.308.4010.501.83.785.047.5610.0812.602.04.205.608.4011.2014.001.301.22.973.965.947.929.901.53.714.957.439.9012.381.84.465.948.9111.8014.852.04.956.609.9013.2016.501.551.23.124.566.849.1211.401.54.285.708.5511.4014.251.85

13、.136.8410.2613.6817.102.05.707.6011.4015.2019.00格構式壓桿Af(KN)表14立桿橫距(m)H1步距h(m)1.201.351.501.802.001.05297.75680.87667.52148.49139.731372.97958.80848.49134.36227.971464.76952.21742.98830.32124.7141.30292.89976.51163.64145.44737.345376.51162.15951.26436.35729.783469.70556.46546.38832.80826.7431.55286.01870.53258.47541.60534.124370.53257.11047.02833.28927.232462.87650.66441.60529.30223.925注:48M3.5鋼管f=205N/mm2格構式壓桿的長細比表