Question

10.10 Given: The elevation view of the two-story wood-frame shearwall in Figure 10.C. The wind force reactions from the roof diaphragm and second-floor diaphragm are shown in the sketch. Vertical loads carried by the wall are also shown in the sketch (dead load values include the weight of the wall). Wall sheathing is 15/32- in. STRUCTURAL I with 8d common or galvanized box nails. $R_\text{R}$=2.1k HEADER $R_\text{2}$=2.6k HEADER FIGURE 10.C Find: a. The required nailing for the shear segment. Give full specifications. b. The required collector forces for the connections at A, B, C, and D. c. The net design uplift force for the tension chord at the first- and second-floor levels. d. The maximum force in the compression chord at the first- and second-floor levels. Consider the effects of both gravity loads and lateral forces. Assume that the header is supported by the shear segment chord. e. If the adjusted design value, Z', on one anchor bolt is 1500 lb, determine the number and approximate spacing of anchor bolts necessary to transfer the shear from bottom wall plate to the foundation. These bolts are in addition to those required for uplift.

          10.10 Given: The elevation view of the two-story wood-frame shearwall in Figure 10.C. The
wind force reactions from the roof diaphragm and second-floor diaphragm are
shown in the sketch. Vertical loads carried by the wall are also shown in the
sketch (dead load values include the weight of the wall). Wall sheathing is 15/32-
in. STRUCTURAL I with 8d common or galvanized box nails.
$R_\text{R}$=2.1k
HEADER
$R_\text{2}$=2.6k
HEADER
FIGURE 10.C
Find:
a. The required nailing for the shear segment. Give full specifications.
b. The required collector forces for the connections at A, B, C, and D.
c. The net design uplift force for the tension chord at the first- and second-floor
levels.
d. The maximum force in the compression chord at the first- and second-floor
levels. Consider the effects of both gravity loads and lateral forces. Assume
that the header is supported by the shear segment chord.
e. If the adjusted design value, Z', on one anchor bolt is 1500 lb, determine the
number and approximate spacing of anchor bolts necessary to transfer the
shear from bottom wall plate to the foundation. These bolts are in addition to
those required for uplift.

10.10 Given: The elevation view of the two-story wood-frame shearwall in Figure 10.C. The
wind force reactions from the roof diaphragm and second-floor diaphragm are
shown in the sketch. Vertical loads carried by the wall are also shown in the
sketch (dead load values include the weight of the wall). Wall sheathing is 15/32-
in. STRUCTURAL I with 8d common or galvanized box nails.
RR=2.1k
HEADER
R2=2.6k
HEADER
FIGURE 10.C
Find:
a. The required nailing for the shear segment. Give full specifications.
b. The required collector forces for the connections at A, B, C, and D.
c. The net design uplift force for the tension chord at the first- and second-floor
levels.
d. The maximum force in the compression chord at the first- and second-floor
levels. Consider the effects of both gravity loads and lateral forces. Assume
that the header is supported by the shear segment chord.
e. If the adjusted design value, Z', on one anchor bolt is 1500 lb, determine the
number and approximate spacing of anchor bolts necessary to transfer the
shear from bottom wall plate to the foundation. These bolts are in addition to
those required for uplift.

Added by Victor K.

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