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1、擦條規(guī)格選用附表作者:日期:h=120mmb=50mmc=20mmt=3.0mm向左轉(zhuǎn)ie向右轉(zhuǎn)c型鋼截面特性y,6*
2、20*
3、To選擇截面型號(應(yīng)憂先選擇列表肉規(guī)格):C：
4、120*[50標(biāo)條規(guī)格選用附表附表4-1屋面坡度為0.1的屋面標(biāo)條選用表格(恒載0.2kN/mm活載0.3kN/mm風(fēng)載0.35kN/mm:)楝條規(guī)格用鋼量(kg/mm2)撓度控制值1/150撓度控制值1/240跨度(m)最大標(biāo)距(m)跨度(m)最大標(biāo)距(m)C100x50x20x2.03.5141.5041.4051.10C100x50x20x2.54.3142.0041.7051.40□0.5060.60
5、C100x50x20x3.05.0742.2042.0051.60□0.8060.90C120x50x20x2.03.8341.9041.9051.5051.1061.00C120x50x20x2.54.7042.3042.3052.0051.2061.2060.50C120x50x20x3.05.5442.7042.7052.3051.5061.4060.80C160x60x20x2.04.7752.4042.9061.7052.407.51.0061.30C160x60x20x2.55.8853.1053.0062.2061.607.51.307.50.80C160x60x20x3.
6、06.9553.7053.5062.6061.807.51.607.50.90C180x60x20x2.05.0862.0052.907.51.2061.8090.807.50.90C180x60x20x2.56.2762.5053.607.51.6062.2091.007.51.00C180x60x20x3.07.4263.0062.607.51.907.51.2091.1090.60C200x70x20x2.05.7162.4062.407.51.507.51.2091.0090.70C200x70x20x2.57.0563.0063.007.51.907.51.5091.3090.
7、80C200x70x20x3.08.3763.7063.707.52.407.51.8091.6091.00C220x70x20x2.06.0362.7062.707.51.707.51.6091.2090.90C220x70x20x2.57.4563.4063.407.52.207.52.0091.5091.00C220x70x20x3.08.847.52.7064.2091.807.52.30120.8091.20C240x80x20x2.06.6563.1063.107.52.007.52.0091.4091.10C240x80x20x2?58.237.52.6064.1091.8
8、07.52.60120.9091.40C240x80x20x3.09.787.53.207.53.2092.2091.70121.10120.60附表4-2屋面坡度為0.1的屋面槐條選用表格(恒載0.2kN/mm活載0.3kN/mm風(fēng)載0.45kN/mm:)標(biāo)條規(guī)格用鋼量(kg/mm2)撓度控制值1/150撓度控制值1/240跨度(m)最大標(biāo)距(m)跨度(m)最大梯距(m)C100x50x20x2.03.5141.4041.4051.10C100x50x20x2.54.3141.9041.7051.3050.5060.90C100x50x20x3.05.0742.2042.0051.
9、8050.8061.30C120x50x20x2.03.8342.0041.9051.6051.1061.00C120x50x20x2.54.7042.3042.3052.0051.3061.3060.50C120x50x20x3.05.5442.7042.7052.5051.5061.6060.80C160x60x20x2.04.7752.4042.9061.7052.407.51.1061.30C160x60x20x2.55.8853.1053.0062.2061.707.51.407.50.80C160x60x20x3.06.9553.7053.5062.7062.007.51.7
10、07.50.90C180x60x20x2.05.0861.9051.807.51.2061.8090.807.50.90C180x60x20x2.56.2762.5052.207.51.6062.2091.107.51.100180x60x20x3.07.4263.0062.607.51.907.51.2091.3090.60C200x70x20x2.05.7162.4053.507.51.5062.4091.007.51.20C2
