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太阳能路灯灯杆抗风设计

作者:沈阳东胜   发布时间: 2014/4/16 13:37:31
 

  TAIYANGNENGLUDENGDECANSHURUXIA:

  DIANCHIBANQINGJIAOA = 16o DENGGANGAODU = 5m

  JIHUATIAOXUANDENGGANDIBUHANFENGKUANDUδ = 4mm DENGGANDIBUWAIJING = 168mm

  HANFENGSUOZAIMIANJIDENGGANSUNHUAIMIAN。DENGGANSUNHUAIMIANDIDANGJUW DEHESUANDIANPDAODENGGANZAODAODEDIANCHIBANZUOYONGHEZAIFZUOYONGXIANDEJULIWEI

精选30码中特  PQ = [5000+(168+6)/tan16o]× Sin16o = 1545mm=1.545m。SUOYI,FENGHEZAIZAIDENGGANSUNHUAIMIANSHANGDEZUOYONGJUM = F×1.545。

  GENJU27m/sDEJIHUAZUIDARONGXUFENGSU,2×30WDESHUANGDENGTOUTAIYANGNENGLUDENGDIANCHIBANDEGENBENHEZAIWEI730N。SIKAO1.3DEANQUANXISHU,F = 1.3×730 = 949N。

  SUOYI,M = F×1.545 = 949×1.545 = 1466N.m。

  GENJUSHUXUETUIDAO,YUANHUANXINGSUNHUAIMIANDEDIDANGJUW = π×(3r2δ+3rδ2+δ3)。

  SHANGSHIZHONG,rSHIYUANHUANNEIJING,δSHIYUANHUANKUANDU。

  SUNHUAIMIANDIDANGJUW = π×(3r2δ+3rδ2+δ3)

精选30码中特  =π×(3×842×4+3×84×42+43)= 88768mm3

精选30码中特  =88.768×10-6 m3

  FENGHEZAIZAISUNHUAIMIANSHANGZUOYONGJUZHISHIDEYINGLI = M/W

  = 1466/(88.768×10-6) =16.5×106pa =16.5 Mpa<<215Mpa

  QIJIAN,215 MpaSHIQ235GANGDEKANGWANQIANGDU。

精选30码中特  SUOYI,JIHUATIAOXUANDEHANFENGKUANDUMANZUYAOQIU,ZHIXUHANJIEZHILIANGNENGBAOZHENG,DENGGANDEKANGFENGSHIMEIYOUWENTIDE。