工字钢承重表
热轧普通工字钢间支梁ＧＢ７０６－８８
δ＝Ｍ／Ｗ
间支梁集中力Mmax=QL/4
间支梁均布力Mmax=Q*L*L/8
2345
6
7
1049 1.370.910.6912.677.6 2.2 1.4 1.10.8714102 2.9 1.9 1.4 1.10.950.8216141 3.9 2.6 2.0 1.6 1.3 1.118185 5.2 3.5 2.6 2.1 1.7 1.520ａ237 6.6 4.4 3.3 2.7 2.2 1.922ａ3108.7 5.8 4.3 3.5 2.9 2.525ａ40211.37.5 5.6 4.5 3.8 3.228ａ50914.39.57.1 5.7 4.8 4.132ａ69219.412.99.77.8 6.5 5.532ｃ76021.314.210.68.57.1 6.136ａ87524.516.312.39.88.27.036ｃ96226.918.013.510.89.07.740ａ109030.520.315.312.210.28.740ｃ119033.322.216.713.311.19.545ａ143040.026.720.016.013.311.445ｃ157044.029.322.017.614.712.650ａ185952.134.726.020.817.414.950ｃ208058.238.829.123.319.416.656ａ234265.643.732.826.221.918.756ｃ255171.447.635.728.623.820.463ａ298183.555.641.733.427.823.863ｃ
3298
92.3
61.6
46.2
36.9
30.826.4
δ＝Ｍ／Ｗ
间支梁集中力Mmax=QL/4
间支梁均布力Mmax=Q*L*L/8
材料：Ｑ２３５－Ａ允许
间支梁集中力
1400＝Ｍ／Ｗ＝ＱＬ／４/ＷQ=1400*4*W/L≈5600*w/L
1400＝Ｍ／Ｗ＝ＱＬ／４/ＷQ=1400*4*W/L≈5600*w/L(kg)
重型设备吊装手册ｐ393
工字钢型号工字钢Ｗ值
支
容许荷重（
393
允许应力：140ＭＰａ
支点间距（米）
8910荷重（吨） Q=56*W/L/1000
1.3 1.2
1.7 1.5 1.3
2.2 1.9 1.7
2.8 2.5 2.3
3.6 3.2 2.9
4.8 4.3 3.9
5.3 4.7 4.3
6.1 5.4 4.9
6.7 6.0 5.4
7.6 6.8 6.1
8.37.4 6.7
10.08.98.0
11.09.88.8
13.011.610.4
14.612.911.6
16.414.613.1
17.915.914.3
20.918.516.7
23.120.518.5