Diaphragms With End Horizontal Offsets - The Analysis of Irregular Shaped Structures - page 143

F i g u r e 3.36 Free body of chord forces and transfer diaphragm shears.

disrupted chord forces are transferred into the main diaphragm chords located at lines
A and D. The diaphragm is loaded with a 200 plf uniform load.

50
15

Aspect ratioTDand TD 1 2 ==. 3331 :

which requires blocking.
Construction of the basic shear diagram (see Fig. 3.35):

RR wL
1

200 120
2

( )

== = = 12 000 , lb

6

2

R
D

12 000
36

,

1

v == = 333 3 .plf

1

R
D

== -

12 000
20

,

6

v =- 600 plf

6

VRwx
2

=- = 12 000 , - 200 40 ( ) = 4000 lb

1

V
D

4000
36

2

v = = = 111 1 . plf

2 L

left