(完整word版)课程设计钢结构平台设计

1、钢结构平台设计一设计题目二设计目的三设计资料23kN/m 。1m 四设计内容依 题 意 并 经 综 合 比 较 ， 平 台 结 构 平 面 布 置 如 图 所 示 ：a)b)4m柱次梁主梁次梁4m4m支撑主梁c)H=柱支撑 78509.8610 0.462kN /mqq32 78509.866010 0.0277kN /m62b/a 1500/10001.5 查表得：11.20.462 1.43 4.754kN /mq2 qa 0.08124.7541 0.386kN mM33x1因为b a,所以M M ,那么M Mxyx2 0.4621 0.4897 /m /mqq11 ql 0.48971

2、.41.5 1.347kN mM22886M664.33 f 215N/2sht26 62A (9026606)10 6 1440mm2180636063611.25mm 0.01125my1808606x6360312I 180 18068.252 8x86024.752 4.0527105 mm4 4.052710 7 m412M 1.34710 0.011253s 37.39MPa f 215N /mm24.0527107Wx 0.0843a 0.4623 3.462kN /mq2qa43.462314V a6.562.06 6 3h39l/ / 6.67 V V V (满足刚度要求)5

3、ql5(0.489710 1.5443V 2.76mm384EI3842.0610 4.052710max117xl/ / 6V V V (满足刚度要求)/ m/ m1 ql 0.734551.45 /8 22.44 kN /mM228max22.443MW m 104.4f4336xI16:A=26.1cm,Ix=1130cm,Wx=141cm,Ix/Sx=13.8cm,自重20.5kg/m23I16M= 5 2max M156.67N / f N /22W4xV ql/2 1.2(0.734550.02059.8)1.44.5 5/2 18.56kN18.56103V S 22.4N /m

4、m f 125N /mm2max maxI tx w213.810 610maxv235q l5(0.73450.02059.810 5443V 19mmk384EI3842.0610 113010max118x V l/ / 20 V V (满足刚度要求) (0.7345520.59.810 )10 5 4.677kNFFR33 4.55 kN44 F 4.6771.4 kN22M 74.23337.11241.5167.022kN mmaxV R kNmax167.022105MW cmmax31.05215102 fxxminl/15/15500HA 114.2，I 47800cm，W

5、1910cm3xx 9.80.01141.05920.85N /mq1M 167.02 920.851.27.510 174.79kN m238xV 74.2310920.851.23.7578.37kN3max174.791061.05 1910 10M87.16N /mm f N mm2215 / （满足要求）2xW3xxS 0.0160.20.2580.250.010.125 1.1410 3m3783701.1410547.810107V S18.78N /mm f 125N /mm2max maxI tx w2maxv174.79691.42N /24244R F 4.6671.42

6、2.5 74.22kN22k 74.22327.1171.5181.894kN mM181.89410 56.25M lk2310.4mmV10EI102.0610 4780010max118x V l / 18.75 V （满足要求）b /t /101h /t 500/16 31.25800w 5F ql 537.112410 920.851.27.5 193.85kNN3100按bN65A1.62 m 1620322fHW175 7.5mm,t mm,A 51.43cmt212重量/,I ,I ,W ,i ,i 443xyxxyl l 6000mm0 x0y l 6000/75 80 1500 xi0 xy l i 6000/43.7 137.3 0y0yy按b 0.4080y 9.861.2 2.84N1N 1.22.84 197258N53N N / f N /22AN 1.93851.22.84 197258N532N Af9.6c4 d /4 38744 A 222224112twN154133.2h 1.09mmf0.710351601.22t f wwff Vh t f h t 139.17mmw2fewew其中5 6 h 7.2fh 6mmfV 1.2R 1.20.5 90.6 Nh 1.5 t 1.5 4.97当t 6f12h t 2) 7取h 7f2