Problem 14. B.
758.33 lb/lin ft
350 x 26
9,100
ULW =
=
= 758.33 lb/lin ft
12
12
Problem 15. A.
30 in
Problem 16. C.
17 in
1,700 x 12
20,400
Tie-wire spacing =
=
= 17
1,200
1,200
Problem 17. 16 in
Problem 18. Reduce the tie-wire spacing to 14 in
Problem 19. D.
22 studs
24 x 12
288
+1=
+ 1 = 20.57 + 1 = 21.57, round to 22 studs
14
14
Problem 20. D.
4 wales per side
8 x 12
96
Number of double wales =
=
= 3.2, round up to 4 wales per side
30
30
Problem 21. C.
8 hours
12
Time to place concrete =
= 7.5, round up to 8 hours
1.6
25
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