horizontal shear due to wind or earthquake only

horizontal, shear due to wind or earthquake + 2.5% of column loads

column loads + 2.5% of horizontal shear due to wind or earthquake

column loads + full horizontal shear due to wind or earthquake

4 mm

5 mm

6 mm

8 mm

6t

101

121

161

less than d

equal to d

more than d

any of the above

bottom chord area

top chord area

effective span of bridge

heaviest axle load of engine