軸心受壓構(gòu)件的穩(wěn)定系數(shù)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上附錄1 軸心受壓構(gòu)件的穩(wěn)定系數(shù)普通鋼構(gòu)件軸心受壓構(gòu)件的截面類(lèi)別（按GB50017-2003） 附表1-1截 面 形 式 及 主 軸截面類(lèi)別板厚40mm軋制工字鋼，翼緣寬與截面高之比0.8，對(duì)垂直于腹板的軸（軸）類(lèi)軋制鋼管，對(duì)任意軸不屬于類(lèi)和類(lèi)的截面，以及格構(gòu)式構(gòu)件的分肢計(jì)算垂直于腹板軸的穩(wěn)定類(lèi)翼緣為軋制或剪切邊焊接工字形截面，對(duì)通過(guò)或平行于腹板的軸（軸）類(lèi)焊接T形截面，翼緣為軋制或剪切邊，對(duì)通過(guò)或平行于腹板的軸（軸）焊接十字形截面，板件邊緣為軋制或剪切，對(duì)軸、軸焊接矩形管截面，板件寬厚比20，對(duì)軸、軸板厚40mm不屬于類(lèi)和類(lèi)的截面類(lèi)軋制工字鋼或H形截面，80mm，對(duì)通

2、過(guò)或平行于腹板的軸（軸）類(lèi)軋制工字鋼或H形截面，80mm，對(duì)垂直于腹板的軸（軸）軋制工字鋼或H形截面，80mm，對(duì)通過(guò)或平行于腹板的軸（軸）類(lèi)翼緣為軋制或剪切邊焊接工字形截面，對(duì)垂直于腹板的軸（軸）類(lèi)翼緣為軋制或剪切邊焊接工字形截面，對(duì)通過(guò)或平行于腹板的軸（軸）類(lèi)焊接箱形截面，板件寬厚比20，對(duì)軸、軸類(lèi)a類(lèi)截面軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按GB50017-2003） 附表1-2012345678901020304050607080901001101201301401501601701801902002102202302402501.0000.9950.9810.9630.9410.9160.883

3、0.8390.7830.7140.6380.5630.4940.4340.3830.3390.3020.2700.2430.2200.1990.1820.1660.1530.1410.1301.0000.9940.9790.9610.9390.9130.8790.8340.7760.7060.6300.5550.4880.4290.3780.3350.2980.2670.2410.2180.1980.1800.1650.1520.1401.0000.9930.9770.9590.9370.9100.8750.8290.7700.6990.6220.4480.4810.4230.3730.331

4、0.2950.2640.2380.2150.1960.1790.1640.1500.1391.0000.9920.9760.9570.9340.9070.8710.8240.7630.6910.6150.5410.4750.4180.3690.3270.2920.2620.2360.2130.1940.1770.1620.1490.1380.9990.9910.9740.9550.9320.9040.8670.8180.7570.6840.6070.5340.4690.4120.3640.3230.2890.2590.2330.2110.1920.1750.1610.1480.1360.999

5、0.9890.9720.9520.9290.9000.8630.8130.7500.6760.6000.5270.4630.4070.3600.3200.2850.2560.2310.2090.1900.1740.1590.1470.1350.9980.9880.9700.9500.9270.8970.8580.8070.7430.6680.5920.5200.4570.4020.3560.3160.2820.2530.2290.2070.1890.1720.1580.1460.1340.9980.9860.9680.9480.9240.8940.8540.8010.7360.6610.585

6、0.5140.4510.3970.3510.3120.2790.2510.2260.2050.1870.1710.1570.1440.1330.9970.9850.9660.9460.9210.8900.8490.7950.7280.6530.5770.5070.4450.3920.3470.3090.2760.2480.2240.2030.1850.1690.1550.1430.1320.9960.9830.9640.9440.9190.8860.8440.7890.7210.6450.5700.5000.4400.3870.3430.3050.2730.2460.2220.2010.183

7、0.1680.1540.1420.131b類(lèi)截面軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按GB50017-2003） 附表1-3012345678901020304050607080901001101201301401501601701801902002102202302402501.0000.9920.9700.9360.8990.8560.8070.7510.6880.6210.5550.4930.4370.3870.3450.3080.2760.2490.2250.2040.1860.1700.1560.1440.1330.1231.0000.9910.9670.9320.8950.8520.8020.

8、7450.6810.6140.5490.4870.4320.3830.3410.3040.2730.2460.2230.2020.1840.1690.1550.1430.1321.0000.9890.9630.9290.8910.8470.7970.7390.6750.6080.5420.4810.4260.3780.3370.3010.2700.2440.2200.2000.1830.1670.1540.1420.1310.9990.9870.9600.9250.8870.8420.7910.7320.6680.6010.5360.4750.4210.3740.3330.2980.2670.

9、2410.2180.1980.1810.1660.1530.1410.1300.9990.9850.9570.9220.8820.8380.7860.7260.6610.5940.5290.4700.4160.3700.3290.2950.2650.2390.2160.1970.1800.1650.1510.1400.1290.9980.9830.9530.9180.8780.8330.7800.7200.6550.5880.5230.4640.4110.3650.3260.2910.2620.2360.2140.1950.1780.1630.1500.1380.1280.9970.9810.

10、9500.9140.8740.8280.7740.7140.6480.5810.5170.4580.4060.3610.3220.2880.2590.2340.2120.1930.1760.1620.1490.1370.1270.9960.9780.9460.9100.8700.8230.7690.7070.6410.5750.5110.4530.4020.3570.3180.2850.2560.2320.2100.1910.1750.1600.1480.1360.1260.9950.9760.9430.9060.8650.8180.7630.7010.6350.5680.5050.4470.

11、3970.3530.3150.2820.2540.2290.2080.1900.1730.1590.1460.1350.1250.9940.9730.9390.9030.8610.8130.7570.6940.6280.5610.4990.4420.3920.3490.3110.2790.2510.2270.2060.1880.1720.1580.1450.1340.124c類(lèi)截面軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按GB50017-2003） 附表1-40123456789010203040506070809010011012013014015016017018019020021022023024025

12、01.0000.9920.9660.9020.8390.7750.7090.6480.5780.5170.4630.4190.3790.3420.3090.2800.2540.2300.2100.1920.1760.1620.1500.1380.1280.1191.0000.9900.9590.8960.8330.7680.7020.6360.5720.5110.4580.4150.3750.3390.3060.2770.2510.2280.2080.1900.1750.1610.1480.1370.1271.0000.9880.9530.8900.8260.7620.6950.6290.56

13、60.5050.4540.4110.3710.3350.3030.2740.2490.2260.2060.1890.1730.1590.1470.1360.1260.9990.9860.9470.8840.8200.7550.6890.6230.5590.5000.4490.4070.3670.3320.3000.2710.2460.2240.2050.1870.1720.1580.1460.1350.1250.9990.9830.9400.8770.8140.7480.6820.6160.5530.4940.4450.4030.3640.3280.2970.2690.2440.2220.20

14、30.1860.1700.1570.1450.1340.1240.9980.9810.9340.8710.8070.7420.6760.6100.5470.4880.4410.3990.3600.3250.2940.2660.2420.2200.2010.1840.1690.1560.1440.1330.1240.9970.9780.9280.8650.8010.7350.6690.6040.5410.4830.4360.3950.3560.3220.2910.2640.2390.2180.1990.1820.1680.1540.1430.1320.1230.9960.9760.9210.85

15、80.7940.7290.6620.5970.5350.4770.4320.3910.3530.3190.2880.2610.2370.2160.1970.1810.1660.1530.1420.1310.1220.9950.9730.9150.8520.7880.7220.6560.5910.5290.4720.4280.3870.3490.3150.2850.2580.2350.2140.1960.1790.1650.1520.1400.1300.1210.9930.9700.9090.8460.7810.7150.6490.5840.5230.4670.4230.3830.3460.31

16、20.2820.2560.2330.2120.1940.1780.1630.1510.1390.1290.120d類(lèi)截面軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按GB50017-2003） 附表1-5012345678901020304050607080901001101201301401501601701801902001.0000.9840.9370.8480.7660.6900.6180.5520.4930.4390.3940.3590.3280.2990.2720.2480.2270.2080.1910.1760.1621.0000.9810.9270.8400.7590.6830.6120.5460

17、.4870.4340.3900.3560.3250.2960.2700.2460.2250.2060.1890.1740.9990.9780.9180.8310.7510.6750.6050.5400.4810.4290.3870.3530.3220.2930.2670.2440.2230.2040.1880.1730.9990.9740.9090.8230.7430.6680.5980.5340.4760.4240.3830.3500.3190.2900.2650.2420.2210.2030.1860.1710.9980.9690.9000.8150.7350.6610.5910.5280

18、.4700.4190.3800.3460.3160.2880.2620.2400.2190.2010.1840.1700.9960.9650.8910.8070.7280.6540.5850.5220.4650.4140.3760.3430.3130.2850.2600.2370.2170.1990.1830.1680.9940.9600.8830.7990.7200.6460.5780.5160.4600.4100.3730.3400.3100.2820.2580.2350.2150.1970.1810.1670.9920.9550.8740.7900.7120.6390.5720.5100

19、.4540.4050.3700.3370.3070.2800.2550.2330.2130.1960.1800.1660.9900.9490.8650.7820.7050.6320.5650.5040.4490.4010.3660.3340.3040.2770.2530.2310.2120.1940.1780.1640.9870.9440.8570.7740.6970.6250.5590.4980.4440.3970.3630.3310.3010.2750.2510.2290.2100.1920.1770.163Q235鋼冷彎薄壁型鋼軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按50018-2002） 附表1-6

20、012345678901020304050607080901001101201301401501601701801902002102202302402501.0000.9740.9470.9180.8860.8520.8180.7750.7220.6610.5880.5160.4520.3960.3490.3080.2740.2450.2200.1990.1800.1640.1500.1380.1270.1170.9970.9710.9440.9150.8820.8490.8140.7700.7160.6540.5800.5090.4460.3910.3440.3050.2710.2130.2

21、180.1970.1790.1630.1490.1370.1260.9950.9680.9410.9120.8790.8460.8100.7650.7100.6480.5730.5020.4400.3860.3400.3010.2680.2400.2160.1950.1770.1610.1480.1360.1250.9920.9660.9380.9090.8750.8430.8060.7600.7040.6410.5660.4960.4340.3810.3360.2980.2650.2370.2140.1930.1750.1600.1460.1350.1240.9890.9630.9360.9

22、060.8720.8390.8020.7550.6980.6340.5580.4890.4280.3760.3320.2940.2620.2350.2110.1910.1740.1590.1450.1330.1230.9870.9600.9330.9030.8680.8360.7970.7500.6920.6260.5510.4830.4230.3710.3280.2910.2590.2320.2090.1890.1720.1570.1440.1320.1220.9840.9580.9300.8990.8640.8320.7930.7440.6860.6180.5440.4760.4170.3

23、670.3240.2870.2560.2300.2070.1880.1710.1560.1430.1310.1210.9810.9550.9270.8960.8610.8290.7890.7390.6800.6110.5370.4700.4120.3620.3200.2840.2530.2270.2050.1860.1690.1540.1410.1300.1200.9790.9520.9240.8930.8580.8250.7840.7330.6730.6030.5300.4640.4060.3570.3160.2810.2510.2250.2030.1840.1670.1530.1400.1

24、290.1190.9760.9490.9210.8890.8550.8220.7790.7280.6670.5950.5230.4580.4010.3530.3120.2770.2480.2230.2010.1820.1660.1520.1390.1280.118Q345鋼冷彎薄壁型鋼軸心受壓構(gòu)件的穩(wěn)定系數(shù)（按50018-2002） 附表1-7012345678901020304050607080901001101201301401501601701801902002102202302402501.0000.9710.9400.9060.8670.8290.7770.7100.6320.550

25、0.4750.4050.3470.3000.2610.2290.2030.1810.1620.1460.1320.1200.1090.1000.0920.0850.9970.9680.9370.9020.8640.8240.7710.7030.6230.5420.4670.3980.3420.2960.2580.2270.2010.1790.1600.1440.1300.1190.1080.0990.0910.9940.9650.9340.8980.8600.8190.7650.6950.6150.5350.4600.3920.3370.2920.2550.2240.1980.1770.158

26、0.1430.1290.1180.1070.0980.0910.9910.9620.9300.8940.8570.8150.7590.6880.6070.5270.4520.3860.3320.2880.2510.2210.1960.1750.1570.1410.1280.1160.1060.0980.0900.9880.9590.9270.8900.8530.8100.7520.6800.5990.5190.4450.3800.3270.2840.2480.2180.1940.1730.1550.1400.1270.1150.1060.0970.0890.9850.9560.9240.886

27、0.8490.8050.7460.6720.5910.5120.4380.3750.3220.2800.2450.2160.1910.1710.1530.1380.1260.1140.1050.0960.0880.9820.9520.9200.8820.8450.8000.7390.6640.5830.5040.4310.3690.3180.2760.2420.2130.1890.1690.1520.1370.1240.1130.1040.0950.0880.9790.9490.9170.8780.8410.7940.7320.6560.5740.4970.4240.3630.3130.272

28、0.2380.2100.1870.1670.1500.1360.1230.1120.1030.0940.0870.9760.9460.9130.8740.8370.7890.7250.6480.5660.4890.4180.3580.3090.2690.2350.2080.1850.1650.1490.1340.1220.1110.1020.0940.0860.9730.9430.9090.8700.8330.7830.7180.6400.5580.4820.4110.3520.3040.2650.2320.2050.1830.1630.1470.1330.1210.1100.1010.093

29、0.086附錄2 普通受彎鋼構(gòu)件穩(wěn)定系數(shù)一、焊接工字形和軋制H型鋼等截面簡(jiǎn)支梁焊接工字形和軋制H型鋼等截面簡(jiǎn)支梁的整體穩(wěn)定系數(shù)應(yīng)按下式計(jì)算： （附2-1）式中 梁整體穩(wěn)定等效彎矩系數(shù)，根據(jù)荷載的形式和作用位置按附表2-1選用；梁的側(cè)向長(zhǎng)細(xì)比，； 梁的側(cè)向計(jì)算長(zhǎng)度，取受壓翼緣側(cè)向支承點(diǎn)間的距離； 梁毛截面對(duì)軸的回轉(zhuǎn)半徑； 梁的毛截面面積； 梁的截面高度； 梁受壓翼緣邊緣纖維的毛截面抵抗矩；鋼材的屈服強(qiáng)度； 截面不對(duì)稱(chēng)影響系數(shù)：雙軸對(duì)稱(chēng)焊接工字形截面（附圖2-1a、d）的=0； 單軸對(duì)稱(chēng)焊接工字形截面：加強(qiáng)受壓翼緣（附圖2-1b）， 加強(qiáng)受拉翼緣（附圖2-1c）的； 受壓翼緣與全截面?zhèn)认驊T性矩比值

30、，；、受壓翼緣和受拉翼緣對(duì)軸的慣性矩。當(dāng)按式（附2-1）計(jì)算得到的0.6時(shí)，應(yīng)按式（附2-2）對(duì)進(jìn)行修正，以代替。 且1.0 （附2-2）附圖2-1 焊接工字形和軋制H型鋼截面H型鋼和等截面焊接工字形簡(jiǎn)支梁的系數(shù) 附表2-1項(xiàng)次側(cè) 向 支 承荷 載適應(yīng)范圍2.02.01跨中無(wú)側(cè)向支承均布荷載作用在上翼緣0.95圖3-1a、b、d的截面2下翼緣1.333集中荷載作用在上翼緣1.094下翼緣1.675跨度中點(diǎn)有一個(gè)側(cè)向支承點(diǎn)均布荷載作用在上翼緣1.15圖3-1中的所有截面6下翼緣1.407集中荷載作用在截面上任意處1.758跨中有不少于兩個(gè)等距離側(cè)向支承點(diǎn)任意荷載作用在上翼緣1.209下翼緣1.4

31、010梁端有彎矩，跨中無(wú)荷載作用注：1.、為梁側(cè)向支承點(diǎn)間的端彎矩，使梁產(chǎn)生同向曲率時(shí)取同號(hào)，反向曲率時(shí)取異號(hào)，且。 2.項(xiàng)次3、4、7指一個(gè)或少數(shù)幾個(gè)集中荷載位于跨中央附近，其它情況的集中荷載應(yīng)按項(xiàng)次1、2、5、6內(nèi)的數(shù)值采用。 3.表中項(xiàng)次8、9的，當(dāng)集中荷載作用在側(cè)向支承點(diǎn)處時(shí)，取。 4.荷載作用在上翼緣是指荷載作用點(diǎn)在翼緣表面，方向指向截面形心；荷載作用在下翼緣是指荷載作用點(diǎn)在翼緣表面，方向背向截面形心 3.當(dāng)0.8和滿(mǎn)足以下情況時(shí)應(yīng)乘以系數(shù)：項(xiàng)次1，當(dāng)1.0時(shí)，乘以0.95；項(xiàng)次3，當(dāng)0.5時(shí)，乘以0.90；當(dāng)0.51.0時(shí)，乘以0.95.式（附2-1）也可用于等截面鉚接（或高強(qiáng)度螺

32、栓連接）簡(jiǎn)支梁，其受壓翼緣厚度包括翼緣角鋼厚度在內(nèi)。二、軋制普通工字鋼簡(jiǎn)支梁軋制普通工字鋼簡(jiǎn)支梁的整體穩(wěn)定系數(shù)按附表2-2選用，如計(jì)算得到的0.6時(shí)，應(yīng)按式（附2-2）對(duì)進(jìn)行修正，以代替。三、普通軋制槽鋼簡(jiǎn)支梁普通軋制槽鋼簡(jiǎn)支梁的整體穩(wěn)定系數(shù)，不論荷載的形式和荷載作用在截面上的位置，均可按式（附2-3）計(jì)算，如計(jì)算得到的0.6時(shí)，應(yīng)按式（附2-2）對(duì)進(jìn)行修正，以代替。 （附2-3）式中 、分別為槽鋼截面的寬度、翼緣厚度和截面高度。普通軋制工字鋼簡(jiǎn)支梁的穩(wěn)定系數(shù) 附表2-2項(xiàng)次荷載情況工字鋼型號(hào)自 由 長(zhǎng) 度 (m)23456789101跨中無(wú)側(cè)向支承點(diǎn)的梁集中荷載作用于上翼緣102022323

33、6632.002.402.801.301.481.600.991.091.070.800.860.830.680.720.680.580.620.560.530.540.500.480.490.450.430.450.402下翼緣1020224045633.105.507.301.952.803.601.341.842.301.011.371.620.821.071.200.690.860.960.630.730.800.570.640.690.520.560.603均布荷載作用于上翼緣1020224045631.702.102.601.121.301.450.840.930.970.680.

34、730.730.570.600.590.500.510.500.450.450.440.410.400.380.370.360.354下翼緣1020224045632.504.005.601.552.202.801.081.451.800.831.101.250.680.850.950.560.700.780.520.600.650.470.520.550.420.460.495跨中有側(cè)向支承點(diǎn)的梁（荷載作用在截面高度位置）1020224045632.203.004.001.391.802.201.011.241.380.790.961.010.660.760.800.570.650.660.

35、520.560.560.470.490.490.420.430.43注： 1.項(xiàng)次1、2指一個(gè)或少數(shù)幾個(gè)集中荷載位于跨中附近，其它情況應(yīng)按項(xiàng)次3、4采用。2.表中的值適用于Q235鋼，對(duì)其它鋼號(hào)，表中數(shù)值應(yīng)乘以。四、雙軸對(duì)稱(chēng)工字形等截面（含H型鋼）懸臂梁雙軸對(duì)稱(chēng)工字形等截面（含H型鋼）懸臂梁的整體穩(wěn)定系數(shù)，可按式（附2-1）計(jì)算，但式中的系數(shù)應(yīng)按附表2-3查取，計(jì)算梁的側(cè)向長(zhǎng)細(xì)比時(shí)梁的側(cè)向計(jì)算長(zhǎng)度取懸臂梁的懸臂長(zhǎng)度。如計(jì)算得到的0.6時(shí)，應(yīng)按式（附2-2）對(duì)進(jìn)行修正，以代替。雙軸對(duì)稱(chēng)工字形等截面（含H型鋼）懸臂梁的系數(shù) 附表2-3項(xiàng)次荷 載 形 式0.601.241.241.961.963.1

36、01自由端一個(gè)集中荷載作用在上翼緣2下翼緣3均布荷載作用在上翼緣注： 本表是按支端為固定的情況確定的，當(dāng)用于由鄰跨延伸出來(lái)的伸臂梁時(shí)，應(yīng)在構(gòu)造上采取措施加強(qiáng)支承處的抗扭能力。五、受彎構(gòu)件整體穩(wěn)定系數(shù)的近似計(jì)算均勻彎曲的受彎構(gòu)件，當(dāng)120時(shí)，其整體穩(wěn)定系數(shù)可按以下近似公式計(jì)算：1工字形截面（含H型鋼）：雙軸對(duì)稱(chēng)時(shí) （附2-4）單軸對(duì)稱(chēng)時(shí) （附2-5）2T形截面（彎矩作用在對(duì)稱(chēng)軸平面，繞軸）：1）彎矩使翼緣受壓時(shí)雙角鋼T形截面 （附2-6）部分T型鋼和雙板件組合T形截面 （附2-7）2）彎矩使翼緣受拉且腹板寬厚比不大于時(shí) （附2-8）按式（附2-4）式（附2-8）計(jì)算整體穩(wěn)定系數(shù)得到的0.6時(shí)，不

37、需要對(duì)進(jìn)行修正。按式（附2-4）、式（附2-5）計(jì)算得到的1.0時(shí)，取=1.0。附錄3 受彎構(gòu)件的撓度容許值受彎構(gòu)件的容許撓度（按GB 50017-2003） 附表3-1項(xiàng)次構(gòu) 件 類(lèi) 別撓度容許值1吊車(chē)梁和吊車(chē)桁架（按自重和起重量最大的一臺(tái)吊車(chē)計(jì)算撓度）(1)手動(dòng)吊車(chē)和單梁吊車(chē)（包括懸掛吊車(chē)）(2)輕級(jí)工作制橋式吊車(chē)(3)中級(jí)工作制橋式吊車(chē)(4)重級(jí)工作制橋式吊車(chē)/500/800/1000/1200-2手動(dòng)或電動(dòng)葫蘆的軌道梁/400-3有重軌（重量等于或大于38kg/m）軌道的工作平臺(tái)梁有輕軌（重量等于或小于24kg/m）軌道的工作平臺(tái)梁/600/400-4樓（屋）蓋梁或桁架、工作平臺(tái)梁（第

38、3項(xiàng)除外）和平臺(tái)板(1)主梁或桁架（包括設(shè)有懸掛起重設(shè)備的梁和桁架）(2)抹灰頂棚的次梁(3)除(1)、(2)款外的其它梁（包括樓梯梁）(4)屋蓋檁條支承無(wú)積灰的瓦楞鐵和石棉瓦屋面者支承壓型金屬板、有積灰的瓦楞鐵和石棉瓦等屋面者支承其它屋面材料者(4)平臺(tái)板/400/250/250/150/200/200/150/500/350/300-5墻架結(jié)構(gòu)（風(fēng)荷載不考慮陣風(fēng)系數(shù)）(1)支柱(2)抗風(fēng)桁架（作為連接支柱的支承時(shí)）(3)砌體墻的橫梁（水平方向）(4)支承壓型金屬板、瓦楞鐵和石棉瓦墻面的橫梁（水平方向）(5)帶有玻璃窗的橫梁（豎直和水平方向）-/200/400/1000/300/200/20

39、0注：1.為受彎構(gòu)件的跨度（對(duì)懸臂梁和伸臂梁為懸伸長(zhǎng)度的2倍）。 2.為永久和可變荷載標(biāo)準(zhǔn)值產(chǎn)生的撓度（如有起拱應(yīng)減去拱度）的容許值；為可變荷載標(biāo)準(zhǔn)值產(chǎn)生的撓度的容許值。受彎構(gòu)件的容許撓度（按GB 50018-2002） 附表3-2項(xiàng)次構(gòu) 件 類(lèi) 別容許撓度1檁條1)瓦楞鐵屋面2)壓型鋼板、鋼絲網(wǎng)水泥瓦和其他水泥制品瓦材屋面/150/2002墻梁1)壓型鋼板、瓦楞鐵墻面（水平方向）2)窗洞頂部的墻梁（水平方向）3)窗洞頂部的墻梁（豎向）/150/200/200（且10mm）3剛架梁1)僅支承壓型鋼板屋面和檁條（承受活荷載或雪荷載）2)尚有吊頂3)有吊頂且抹灰/180/240/3604壓型鋼板1

40、)屋面板屋面坡度小于1/20時(shí)屋面坡度不小于1/20時(shí)2)墻板3)樓板/250/200/150/2005平臺(tái)板/150注：為受彎構(gòu)件的跨度。對(duì)于單跨山形門(mén)式剛架，為一側(cè)斜梁的坡面長(zhǎng)度；對(duì)于多跨山形門(mén)式剛架，為相鄰柱之間斜梁一坡的坡面長(zhǎng)度；對(duì)于懸臂梁，為懸伸長(zhǎng)度的2倍。剛架柱頂側(cè)移限值（按GB 50018-2002） 附表3-3吊車(chē)情況其 它 情 況柱頂側(cè)移限值無(wú)吊車(chē)采用壓型鋼板等輕型鋼墻板時(shí)采用磚墻時(shí)/75/100有橋式吊車(chē)吊車(chē)由駕駛室操作時(shí)吊車(chē)由地面操作時(shí)/400/180注：為剛架柱高度。附錄4 薄壁受彎鋼構(gòu)件穩(wěn)定系數(shù)一、對(duì)于附圖4-1所示單軸或雙軸對(duì)稱(chēng)截面（包括反對(duì)稱(chēng)截面）的薄壁簡(jiǎn)支受彎構(gòu)件，當(dāng)繞對(duì)稱(chēng)