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1、结构防火设计计算书1,设计依据建筑钢结构防火技术规范钢结构设计标准2、设计参数结构重要性系数火灾前室内温度To火灾前构件温度Tso钢材类型火灾升温曲线类型主时间计算步长3、火灾下的温度工况内力表单位GB51249-2017GB50017-2017:1.00:20.00:20.00:结构钢:以纤维类物质为:5.OOskN、kN.m单元号工况号位置NQ2Q3TM2M327-2i-677.530.000.000.000.000.0027-2.i-677.530.000.000.000.000.0025-2i-787.270.000.000.000.000.0025-2j-787.270.000.00
2、0.000.()00.0026-2i-0.00-16.14-7.110.0018.14-41.1626-2j-0.00-16.14-7.110.00-0.000.0023-2i-21.85-0.00-0.00-0.000.00-0.0023-2J-21.85-0.00-0.00-0.00-0.000.0022-2i-777.380.000.000.000.000.0022-2J-777.380.000.000.000.000.0021-2i-0.0013.15-0.27-0.000.6933.5421-2j-0.0013.15-0.27-0.00-0.00-0.0020-2i-28.68-0.
3、00-0.000.000.00-0.0020-2j-28.68-0.00-0.000.00-0.000.0018-2i-0.0010.256.50-0.00-0.000.0018-2j-0.0010.256.50-0.0016.57-26.1317-2i-28.180.000.000.00-0.000.0017-2j-28.180.000.000.000.00-0.0016-2i-535.040.000.000.000.000.0016-2j-535.040.000.000.000.000.0014-2i-777.380.000.000.000.000.0014-2j-777.380.000.
4、000.000.000.0013-2i-21.91-0.000.000.00-0.00-0.0013-2j-21.91-0.000.000.000.000.0012-2i-0.000.002.40-0.00-0.000.0012-2j-0.000.002.40-0.009.65-0.0011-2i-0.000.000.82-0.00-0.000.0011-2J-0.000.000.82-0.003.30-0.0010-2i0.22-0.06-0.16-0.000.63-0.2310-2j0.22-0.06-0.16-0.00-0.000.009-2i-2.40-0.000.00-0.00-0.
5、00-0.009-2j-2.40-0.000.00-0.000.000.008-2i-3.220.000.00-0.00-0.000.008-2j-3.220.000.00-0.000.00-0.007-2i-0.090.00-3.07-0.0010.340.007-2J-0.090.00-3.07-0.00-0.00-0.006-2i-3.070.00-0.000.000.000.006-2j-3.070.00-0.000.00-0.00-0.005-2i-586.270.000.000.000.000.005-2J-586.270.000.000.000.000.004-2i-0.140.
6、500.940.00-0.000.004-2.i-0.140.500.940.003.79-2.013-2i0.30-0.41-0.950.000.000.003-2j0.30-0.41-0.950.00-2.831.232-2i-457.530.000.000.000.000.002-2j-457.530.000.000.000.000.001-2i-1.08-0.000.00-0.00-0.00-0.001-2j-1.08-0.000.00-0.000.000.004、组合内力表4.1荷载组合序号荷载组合名称1组合1:恒0+活1+温度12组合2:恒0+活1+温度14.2组合内力单位：kN、
7、kN.m单元号组合号位置NQ2Q3TM2M3271i-677.536.02-0.000.000.009.73271J-677.53-6.02-0.000.000.009.73272i-677.535.36-0.000.000.008.62272J-677.53-5.36-0.000.000.008.62251i-787.275.02-0.000.000.007.07251j-787.27-5.02-0.000.000.007.07252i-787.274.49-0.000.000.006.27252j-787.27-4.49-0.000.000.006.27261i-0.00-3.97-6.9
8、10.0017.61-14.04261J-0.00-7.04-6.910.00-0.00-0.00262i-0.00-5.12-6.930.0017.66-16.59262j-0.00-7.89-6.930.00-0.00-0.00231i-20.333.88-0.00-0.000.000.00231j-23.35-3.88-0.00-0.00-0.000.00232i-20.473.53-0.00-0.000.000.00232j-23.22-3.53-0.00-0.00-0.000.00221i-775.873.88-0.000.00-0.005.38221j-778.89-3.88-0.
9、000.00-0.005.38222i-776.013.53-0.000.00-0.004.86222j-778.75-3.53-0.000.00-0.004.86211i-0.0026.98-0.31-0.000.7864.80211j-0.0023.85-0.31-0.000.00-0.00212i-0.0025.64-0.30-0.000.7761.80212J-0.0022.83-0.30-0.00-0.00-0.00201i-29.854.66-0.000.000.000.00201.i-27.07-4.66-0.000.00-0.000.00202i-29.744.22-0.000
10、.000.000.00202j-27.22-4.22-0.000.00-0.000.00181i-0.000.026.33-0.00-0.00-0.00181j-0.00-3.126.33-0.0016.153.95182i-0.000.996.35-0.00-0.000.00182J-0.00-1.836.35-0.0016.191.06171i-26.975.830.000.00-0.000.00171J-29.04-5.830.000.000.000.00172i-27.095.270.000.00-0.000.00172J-28.96-5.270.000.000.000.00161i-
11、534.005.83-0.000.00-0.0010.70161,j-536.08-5.83-0.000.00-0.0010.70162i-534.105.27-0.000.00-0.009.63162J-535.98-5.27-0.000.00-0.009.63141i-778.424.140.000.00-0.005.7-1141j-776.35-4.140.000.00-0.005.74142i-778.323.750.000.00-0.005.17142J-776.45-3.750.000.00-0.005.17131i-20.864.140.000.00-0.000.00131J-2
12、2.93-4.140.000.000.000.00132i-20.963.750.000.00-0.000.00132J-22.83-3.750.000.000.000.00121i1.46-5.842.41-0.00-0.00-0.00121j2.50-10.002.41-0.009.6931.84122i1.30-5.202.41-0.00-0.00-0.00122j2.25-8.992.41-0.009.6928.53111i2.68-10.710.83-0.00-0.00-0.00H1J4.29-17.160.83-0.003.3356.()2112i2.39-9.560.83-0.0
13、0-0.00-0.00112j3.81-15.250.83-0.003.3349.86101i5.0619.29-0.150.000.6058.04101J2.649.58-0.150.00-0.00-0.00102i4.5117.06-0.150.000.6051.70102.i2.408.65-0.150.00-0.00-0.009Ii-2.416.02-0.00-0.000.000.0091j-2.41-6.02-0.00-0.00-0.000.0092i-2.415.36-0.00-0.000.000.0092j-2.41-5.36-0.00-0.00-0.000.0081i-3.24
14、5.02-0.00-0.000.000.0081J-3.24-5.02-0.00-0.00-0.000.0082i-3.244.49-0.00-0.000.000.0082J-3.24-4.49-0.00-0.00-0.000.0071i-0.0911.57-3.100.0010.4328.0171J-0.094.92-3.100.00-0.00-0.0072i-0.0910.31-3.100.0010.4225.1572,j-0.094.50-3.100.00-0.00-0.0061i-3.104.920.00-0.00-0.000.0061j-3.10-4.910.00-0.000.000
15、.0062i-3.104.500.00-0.00-0.000.0062j-3.10-4.490.00-0.000.000.0051i-585.755.200.000.000.009.6751J-586.79-5.200.000.000.009.6852i-585.804.730.000.000.008.7052J-586.74-4.730.000.000.008.7141i2.82-4.111.100.00-0.00-0.0041J6.70-10.221.100.004.4129.9642i2.58-3.741.080.00-0.00-0.0042j5.99-9.111.080.004.352
16、6.7831i4.44-4.13-1.100.000.00-0.0031j7.82-7.14-1.100.00-3.3015.8032i4.11-3.83-1.090.000.00-0.0032J7.10-6.50-1.090.00-3.2514.5821i-459.583.910.000.00-0.008.2421J-455.53-3.800.000.00-0.008.0722i-459.463.680.000.00-0.007.6822J-455.64-3.580.000.00-0.007.5411Ii1.324.930.00-0.00-0.000.0011J-3.79-4.860.00-
17、0.000.000.0012i1.134.530.00-0.00-0.000.0012J-3.57-4.480.00-0.000.000.005、设计结果表D膨胀型单元号火灾持续时间(h)等效热阻(m2-C/W)构件温度T(C)临界温度Td(临界温度法)应力比(承载力法)强度2轴稳定3轴稳定271.5()2.06149.00393.42-251.501.59171.00400.27-261.500.29542.00543.97-231.5()0.23634.00644.30一-221.501.()2169.00397.50-211.500.23642.00644.30-201.500.2363
18、6.00646.19-181.500.26582.00585.55-171.500.23636.00646.19161.503.30121.00391.79-141.501.62169.00396.60-131.500.23634.00644.29-121.500.25602.00604.76一-111.500.24622.00630.48101.500.23642.00659.70-91.500.23642.00643.45-一-81.500.23642.00644.49-71.500.25602.00604.48-61.500.23642.00646.19-一51.502.72131.00389.03-一41.500.22652.00663.00-一31.500.22652.00663.00-一21.501.S2106.00381.97-11.500.23636.00646.19-一
