Question

PLEASE USE MOMENT DISTRIBUTION METHOD

A.)MAB

B.)MBA

C.)M_BC

D.)M_{CB
Problem 11.7 Consider the beam shown in (Figure 1). Assume the support at B is a roller and A and C are fixed. EI is constant. Figure < 1 of 1 > 900 lb 900 16 400 lb |-6 ft--6 ft--6 ft + 10 ft-+-10 ft —}

E.) Draw the moment diagram for the beam. Follow the sign convention given in Chapter 4 of the textbook.

Answer 1

90006 90ollo oo , off's off oft is poft t loft * Poft . 1 (5400_2600)71800 lbft. / ($400-2916-2)32483,8 4283.8) in 3.486ffi Yooxpo (22943835) 2 19 691.9 lbft 383.8 lbft - 900x6X 122 x62 MEAR :900X12 x 6 az ) - 3600 loft 182 182 MEBA 3 +900x 12² x6 900X12 X 6² - 3] +3600 lbft . T - Tg2. 182 Mcara Mfer a -400x20 20 2 -1000 lb ft 8 MECB +400x20 z tlooo lb ft Distribution factor Toint I member i stiffness | Total stiffnese | DF of Joint B.A 0526 0.422 EI 0434

joint member BA BC OF 0.526 0.474 FEM -3600 3600 -1000 1000 Bal -1367.6 -1232.4 616.2 co |- 683.8 final - 4283.8 2832.4 383.8 1-2232-4