Question

A L-15m 2S40MP P3 Calulade axiel faces, sheses elanga tion fr two menbers Oof simple plomar truss : E-2-405 MA 60 ana 30 PEAEN de4cm O-6cm in to sphencal Calculate relative chonge of velume Decompose sres state for both members and deviatoric parts. e fa henr

Answer 1

30 taing Taindc 4S Fec P- IKN 30 C 4S 45 FAC A45 A 1KN T-Sheo AC Fac Conus + 1-Fac Sin 30 AC- 2 m Cor 30 BC FAc Foe BC= 1.ISY7 M EF,EO Fac Sin 45 + Fec Cos 30- O FAc Sinus= FBe Cos 30 () Cmd Fec Sin30 -Fac Cor 30 t) = FBc OF3205 KN Cor B0t Sin30 For 732 05 N Fes = tonsion FBc Con 30 Fac= -896. N Sinys TAC 896.58 N Ceafpessicn - 896.58 FAC Shress in A = Area 0.57078 MR AC =

Stress in B FBC 732.05 Area 0.466037 MP Chonge Ac A.E Bac -896.58 x J2 a/o OAC 4.036 X10 Comprrssion Chomys Fac LBc A RE 1 x 27 10 2.691X10 Sas mm eloyatin Change in Volun AC Chamye 13C AV 1-24 AV V TMIOKH078 MR 1-2x0.3) y0464037 2x10S AV 1.69059 9mm AV (1-2x03) 2/05 2.5359 m m -0 7078 Change ih Vowm 3 AV Change th volwm