Draft

14.3ApproximateAnalysisof Buildings 243

V

rgt

i-1 V

lft

i

P

above

P

below

Figure14.14:ApproximateAnalysisof FramesSubjectedto LateralLoads;ColumnAxialForce

ColumnAxialForcesareobtainedby summinggirdershearsandtheaxialforcefromthe

columnabove, Fig.??

P=P

above

+P

rgt

+P

lft

(14.39)

Example14-1: ApproximateAnalysisof a Framesubjectedto VerticalandHorizontalLoads

Draw theshear,andmoment diagramforthefollowingframe.Solution:

15

K

30

K

14’

16’

20’ 30’ 24’

5 6

1

12 13 14

9 10 11

7 8

2 3 4

0.25

K/ft

0.50

K/ft

Figure14.15:Example;ApproximateAnalysisof a Building

VerticalLoads