The seven load combinations are:\

U=1.4D

\ or

S

or

{

(

:R)

}\ or

S

or Lor

0.5W

\ or

S

or

R

)\

U=1.2D+1.0E+L+0.2S

\

U=0.9D+1.0W

\

U=0.9D+1.0E

\ With only dead load and live load contributing, determine the dead-to-live loac ratio (D/L) for which combinations 1 and 2 give the same result.

The seven load combinations are: 1. U=1.4D 2. U=1.2D+1.6L+0.5(Lr or S or R) 3. U=1.2D+1.6(Lr or S or R)+( Lor 0.5W) 4. U=1.2D+1.0W+L+0.5(Lr or S or R ) 5. U=1.2D+1.0E+L+0.2S 6. U=0.9D+1.0W 7. U=0.9D+1.0E With only dead load and live load contributing, determine the dead-to-live loac ratio (D/L) for which combinations 1 and 2 give the same result