Diaphragms With Vertical Offsets - The Analysis of Irregular Shaped Structures - page 256

F i g u r e 7.23 Loading and shear diagrams.

Single-span diaphragm—both sections combined:

1
320

R 1 = [. ( 015 220 110 )( ) + 02100 270 .( )( )] = 28 21 . 8kleft reaction

2 2

wx 02100

2

.( )

MRx =+ = 28 218 100 . ( ) − = 1821 9 . t-kmomentatgrid line3

3 1

2

M
D

1821 9
80

.

3

F == = 22 773 . kchordforce at grid line3

3

This will be the force used to design the collector and connection to the transfer wall.
Construction of the strut force diagram at grid line A (see upper right diagram of Fig. 7.24):

v 3 =+ 206 3 .plf diaphragmshearsatgrid line3