Solution for HW _3

Solution for HW _3 - CES 4605 Steel Design Homework # 3 21...

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Unformatted text preview: CES 4605 Steel Design Homework # 3 21 September 2011 (Fall 2011) DUE DATE: 28 September 2010 Part | (20 points) What is residual stress and how does this affect the behavior of steel members in compression and bending? How does residuai stress and out-of-straightness of a coiumn affect the eiastic buckling stress of a column. Explain your anSWer (in writing) with reference to slenderness ratio, inelastic and elastic backling as discussed in class 1 or 2 pages. double-spaced. Provide any sources of information that you have used. Part II (50 points) Questions from Text, page 199: 5.3, 5.5 and 5.7 (see handout) Part II (10 points) A WIS x1 1 9 is Used as a compression member with one and fixed and the other end pinned. The length is 12 feet. What is the available compressive strength if A992 steel is used? a. Use AISC equation E3-2 or E3-3. Compute the design strength for LRFD. b. Use tabie 4-22 from part 4 of the manual. Compute the design strength for LRFD. Part ill (10 points) Use A992 steel and select a W14 shape for an axialty loaded coturnn to meet the following specifications: the length is 22 feet, both ends are pinned, and there is bracing in the weak direction at a point 10 feet from the top. The service dead load is 142 kips, and the service live load is 356 kips. Use only LRFD. kAZLUlDK($O=/5’ft [Dr #1 31811; , we obfch t1LLfOLLOLU£inV GDP firm We ’H. IWMEE‘] 202 UNOKB? zlb wufio 1’2 Will-2W3 118' Hm, Aj/Ufest. 0/1513 w8x55‘. For W8x35 - (Tabla H . Pm) _. _ r VIE-“(OUDA H usz :3 0.563% _ osmj~ 55w a mm on. #7 W7 4.235990 -_---. 35‘ E‘SS’ OK T/ms, we WEEXSS mm 35 - CE; 46 05 l Xfixiai W i. __| W "T13 5—5- Combénafim. A u: LZDHLL 11‘2x2001¢l.bx_500:_720 ups. ZpBO-ft) [gym-1;.) lam)» 5,25th 2— KAZBO’, may ‘3‘ Luiiallg > assmm Mai flu: wee/z. 0:st gavel‘nSJ 601:0 the column [and “MALE. Luff/1 kit/5ft from "(Mic 4' “I ‘ 4;; 20.1 s H‘iJ—E 3533 F" FL W8” >4. none. (M0 K 8 8" 317, Wax]; 136 4:“ SQULLt Wl‘i'x.8*%. T $ 5 ’1, For (Mun, h/rHHJS (T051244) 2‘. i.;)7.l t 4* * OVeHlJ (h #3) "70 1L 3 Original assumpfim law {/1 compel"J $270113 axis actually yam/25. 5. Rameniar COM-Mn load Table,‘f—l_ M‘Ht 3 W10“??? TLHMm‘) W]; xfm 71+? (Ami) a» UjMGfi ‘ WWW!) (If)! H-rsi) 6. Far um.x“'I°L (Tam Jazz) ,—%l: 311 “565% :13 1+? Ola W 01g -‘ {JV/2.x]? c1313 #16 05 5—]. C6) Gk. Mmber 7 53mm, 15x GIL") lfilCJlji/LHU Lu ll: ca " mam 20* "'“sizsf GP WIS'X 50 800 32 25 GH [,Ul})<57 “70 35 33%3 (54K W!Ox5*{- 303 I3 13.1%,! k}, a,€2;>.-Ix=}-’g’- w 35 211-. 0‘] [~.-‘ '1" MSW m 32 M. I} [0 CO (unlit. G . Form-6G) (mm) “[13:1‘0) . .110filfi1ML , Ga Lomqu Lox35w " O‘B- /;0}” JOUIT C ) 6C :- /0- (P8112120!) From Pagcwczi. [Page (bi—241) NSC/(mama). lam b) Mil/rm Gk _ F07” Joini /< ) GK H flaws! K [102(ch 13 1’ Low—.0? F0" 10M , Ga L033‘ fl‘én" .1235} CMCZ‘LI: {Rifle [6.12242 AJ‘SC Manual) [4 :1, }\ 2- 0'5 LI. 013 $1605 a. M56 equwb'on 53—2 or 133—3). firm Me, 002 (memmx Manual) |_ W05 “Mi k 1‘: (Pinned “ 1119.11 ,3 ‘ For Lil/SKIN. (Min-=1 {31%; )| ~till) )AA127\9 L‘n ) in) _£:LW:1LI.'5_ __\. Hews; f 7/“! WE was is weal), M65 :43) (yea/a axis java/72$ , _ __ ffi - wiffizfiooo ). [Q "' (k-L/r)t~-“" -—- KIWI-F3 1‘ 2 2113:) HS? lzklt.{a:(.4'an £32 FOP 2- F3 ; 43‘ 72 15f . PIbJ~33 (Du : (bfcr A51: 0.?X?+3.12A35.l:.138lAifs . (flaélmalsuwddg. (fiw&,81kl‘fl64~%) 01*; b AH - a}: :53) <‘ emf/r3 :. lax-r81 I "Liu 1). GD i113 i0 #112 K wf‘fh ‘ 9wa 2301.3 m cum). h :. 1&5 .4 NINE-7E; 1 :53); %$'é:§"i" /<~l ...__-.-. a :: 4-2.2 g flaw; 0%; Pu :.(blzy~:- (Mr-A3 139.3»35 l : 1379‘?- /a,os _ Ilfaf- LIL/5, :24 2.x :nfeer [gillfeet- From Tabla C‘C 22 ABC Manual, Kx; kg 1L0 kx‘j‘x: 1D. , kg 15:13. Initially, (ISSWM aunt‘s 30091113 \ G0 £0 Taufi 2”} “I (NSC) Luff/1 F}; =‘ '50 M6, WV} >< (P'Fcr :2 PM ) 712-0353 \ 13: N41 ".3.ij \/‘*' $3 ? )‘01‘ WNW, Z -: 3x015 ( V W51) *’ kg-Lfl 7:.) 2 —~> gauems ‘ ‘ ~ FFU’N 7055A? I (ll/r12“) TE .: 6‘4, «MN-5m {3.431 “E” ‘” ‘ 2-:"r . afib" <'~+7J F3 39-33% 7156,. we mil-Hug Far w MK 7‘! OK OK ...
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Solution for HW _3 - CES 4605 Steel Design Homework # 3 21...

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