Question

8. calculate the reactions.

draw the SFD BMD and AFD where applicable

200 KN O f 4 m 2m x 2m 4.2mm 2m ste 2m 2m

Answer 1

Salution! 200KN b с d e 8 A A 1 t um 20 Ay 2m 2on 2m 82m 2. By Let =o Dy Reactions are acted respectively Ax, Ay, By, By, Gy For whole structure Horizontal net force Ax For portion - the (internal the thinge is free ar from Bending moment ) =0 200KN e - 2m ey Gry 2 m 2m ey, Cytare internal Ele 2002 to hinge forces Gry xu { Fy=0 ly+Gg 200 Gy = TOOKN. ey 200-105 ey - 100kn for portion C-et Cy} 2 m 2m hey Aby 2Me Efy 20 Dy eyxy Dy x2 2 eyet Cy a Cy lay looxy = Dyxy Dy 200-loo = 100 KN, = 200 KN. for portion a-c.. 2m. + pay ABY Rcy EMA=0 By x 4 + Cyx6 = 0 Y By = 100x60

+ I Big - 150 KN. { fy=0 Ay & By + Cy Ay & Cy= - By Ay + 100 = +150 Ay=50kn. So after implimentation of all found reactions, 1 2007n. o e C um an 2n zute an TOOKN 20 200kn '50kn ISOKN, g (tve) sign SFD crap 100 50 H) 50 6+) &m. (6m (m) 12m. () - too -100 tud (AN-F BMD 200 200 ( ا (+ 0 14m 4) 12m 16m Tocny (+) 8m. Jom O (1om um. (-) e) -200 AFD No axial force on the structure 0 Zim) 0