Exercício resolvido metalicas

  • View
    49

  • Download
    1

Embed Size (px)

DESCRIPTION

Exercicio resolvido de estruturas metalicas

Text of Exercício resolvido metalicas

  • ~1.:::;-r~IVI~~ E3-,C>_ T_E:_ - 2007UFPR2a. parte: Ao: valor 5 pontos4. uesto : (2,5 pontos}~:~~~~

    eixos dos perfis, de modo Ia tomar iguais asresistncias nas direes x .e y.

    b) A carga de clculo (NRd -compresso) que pode ser aplicada nessa condio. I 148 m

    y

    900 emx

    Dados:

    Ao AR 345 fy = 345 MPa;fu = 485 MPa.Perfis:A = 16 60 crrr': Ix = 635 00 em":9 , , , ,rx = 6,18 cm; Iy = 82,00 em";ry = 2,22 cm ; br= 100 mm;tf = 4,9 mm; tw = 4,~' rnrn.

    a

    adote O = 1;perfil Laminado rr 'T7

    d = a/2 -:~a= 2.5,7718 = 11,54 clll...""""",,,,,,,,,,,,,~.,,.,,,,,,",,,,,-------------------------------------------~_________ ~- h -~- I

  • r--=_w=-- - SoLU :PC:>2: ..'~'~.'.'~~n):~~~fI~~~~~~~p~~II~::~~~::~~:~~~~~~~~::~~~:r-~~~~~O:~~9~~~~~?~.:{6:~}~~~~~~~~H~k}!~~~~:~~[~I~!l!~n.t
  • ~~"~~;~:~t-~~'~{l'~/~t~1'(:- . .1. s-,~ t, ;.

    -,,{

    ..,

    2: ~R:sE:: t{" ::: 'J4:~ ~.t!.7$ ->\.; 1,;z: {.I','5Ao,4 s

    1\..,'==~;i~f?:"~Jy4-~JI

    ,;

    1 ~. 'ft:Zr - ~l?~("5 r..("lJ ,,", "}SJ.j 11I- ' ,,_ ,:;:. .' ~\

    -:). g g:} f '..,a:~.f'! ~ ;

    '~~ct,,-'~p""rofut:(J1i na clir~~()da foi:'4't4'"':J1.JS

    ,,' ," "); " , './\ ";';}4:J,:18Jt:r.};~=;55 3'1q'n ' .....mSIQr QU'P F>C".t!k"O~, .,,' .- ~tJiA:f~ivjir~~_ ,C'" D5,l', ,-1j~...,t,

    -:~,~~ -::2,dr,-1:.2S'~k::: 12~}

    'f{':;~Jl'+- ,a.~~=.;Prt,:Sttim (fili~p~'~}., 'i'

    "~:::::J~~,t~1'l!A-9-;2;_.~;.~,'1;2!l ,", .' ',',", ' , . b-t'~~ f=,Qli1,~~~(~.~)~,.;;'-- " __"'._"'~'f~' ._' :~!o/j:)'~..~ 7 '. ~.'~ ..f'.~J;Etfil}\\!61,ftrJ2 =;jQ:5:9m ~D1'yJ'\;!!36~~~d'O"f9 ""(11fl--o i9~ l'~-'}

    ~",i~;~tt~~;.~~~,-: 1~:1.~~~,,_. -'~'~~,:!fn,~-'~.',-- ""'-._-,. . ~ .....~ .._.~.... $1

  • " ~. ~, .. ,'- ::"":-:-' - ---:~- ~_.- . ' J" - ~.... _.. 1"'""' - _ . __ o --

    """"'13:"v;Jrte: Ao : V2iiO~ .;) pmrJS ~~:~t1!~2?-_~~.?\7~.~~E'!~i!~,"';...f~r-r;",:_,~~,~':_ .~.., .:,0",:' .'; ",,",~',"~~ "'~~~'7'_,",~-': ~'-~_"'_~H .~.! .~-->