Civil Engineering Reference
In-Depth Information
Figure 20.9
Shear:
180
3.00
3.50
0.9
1595
2
3.50
12
(12)
22.80
Use ties at every other stud on 1
10
center
Check Bearing for Studs to Wales
Maximum load transferred
(22)(11)
144
(870)
1462 lb
Bearing area (see Figure 20.9)
(2)(1.50)(1.50)
4.50 in.
2
Bearing stress
1462
4.50
325 psi
490 psi
OK
Check Bearing from Ties to Wedges
Assume same dimensions as in Figure 20.7.
(22)(22)
144
Bearing load
(870)
2924 lb
Bearing stress
2924
7.43
394 psi
543 psi
as determined in Example 20.4
OK
Selected references for formwork:
1.
Chen, W. F., and Mosallam, K. H., 1991,
Concrete Buildings, Analysis for Safe
Construction
(Boca Raton, FL: CRC Press).
2.
Concreter Forming
, 1988 (Tacoma, WA: American Plywood Association).
3.
Hurd, M. K., 1989,
Formwork to Concrete
, 5th ed. (Detroit: American Concrete
Institute).
4.
Moore, C. E., 1977,
Concrete Form Construction
(New York: Van Nostrand
Reinhold).
5.
Plywood Design Specification
(Tacoma, WA: American Plywood Association).
