Question

A floor beam supports the following loads. Determine the load diagrams for the various (7) loac combinations DL= 1.15k/ft LL- 1.85 k/ft (horizontal) = 15k Eh-20 k Ev=.3k/ft CE Load Combinations Factored Loads from ASCE 7one in terms of pla (Strength Design Method) Ldesign 1.4D Ldesign 1.2D +1.6 L + 0.5 (Lroof or Snow) Ldesign 1.2D +1.6 (Lroof or Snow) + (.5L or .8 Wind) Ldesign = 1.2D + 1.6 Wind +0.5 L+ 1 2. 3. .5(Lroof or Snow) 4. Ldesign 1.2D ± Ev+ Eh + 0.5 L +2 Snow Ldesign 0.9D +1.6 Wind Ldesign =.9D + Ev t Eh expressed in terms 5. 6 7 er unit area o we Where: D=dead load Ole Lr-live roof load W=wind S-snow L=live load E-earthquake YE verkieal-h horrem

Answer 1

Solution 1-61k /ft 14D K 6L 2 =-2D ド4:34k - 1'6(185) 434 (SI-I) 2 3. 38 2x 15 - ト2D Load Dead 2 K o 8 W Wimd (H) 1'3klfr 2K (-85 ニ 2305k 2 1.2Dナo.5L M9. T (")= 6 x 15 24k 4K

= 2.305 k (S)o85) 5 2 O 5L E 2605 t To tal En. 2ok 2ok 6 . ro35 k/ft (15) 4k l6 W 9(15)o(0-3) 305/ O 9D C En 20 k nsEo. ok