PROBLEMS 



447 



Graphic S+otics. 



6' ' Pilsooo' 



^^ 



Prob\em \7. 

 -Beam @,3i.5?4O-o"span. 



" J-3 



R - ^ 



*J ie-0 11 - x ->^" x - x ' 



* V ---i^-\--\- \*$f&^- 



W1*! Kn R: 

 a^-HT Hitj 



^Al-v! 



Max A- y t xHxHx 17 ge_K 



A under load * ^^t -r 



6.4-5 X4OOO XZ4QXt72S 

 28,000,000X215.8 



= K77. 



beam, i" = 6'-o". Scale of loads, i" 2000 Ibs. Pole distance, 

 // 4000 Ibs. Scale of areas, i" = 60 sq. ft. Pole distance, H' == 240 

 sq. ft. 



