Problem $4.$

$13\mathrm{.}27$ Given: The shearwall and anchorage detail in Fig. $13.$I. The gravity loads and the lateral wind force are shown in the sketch. The chords in the shearwall are $44$ members of No$.2$ DF$-$South. Assume the bracket is $\frac{3}{8}$ in$.$ thick and has adequate capacity. $C_M=1\mathrm{.}0.$

Find: $,a.$ Number of $\frac{3}{4}-$in$.-$diameter bolts necessary to anchor the chord to the hold$-$down bracket using ASD procedures. Assume an area of $2\mathrm{.}5$ in$.{?}^2$

for the bracket. Sketch the base dimension spacing requirements for the bolts.

$b.$ Check the tension and shear stresses of the chord at the connection $($bolts are in a single row$).$

c$.$ Determine the required size of anchor bolt to tie the bracket to the foundation. Use IBC Table $1911\mathrm{.}2.$

Figure $13\mathrm{.}1$

$13\mathrm{.}27$ Given: The shearwall and anchorage detail in Fig. $13.$I. The gravity loads and the lateral wind force are shown in the sketch. The chords in the shearwall are $44$ members of No$.2$ DF$-$South. Assume the bracket is $\frac{3}{8}$ in$.$ thick and has adequate capacity. $C_M=1\mathrm{.}0.$

Find: $,a.$ Number of $\frac{3}{4}-$in$.-$diameter bolts necessary to anchor the chord to the hold$-$down bracket using ASD procedures. Assume an area of $2\mathrm{.}5$ in$.{?}^2$

for the bracket. Sketch the base dimension spacing requirements for the bolts.

$b.$ Check the tension and shear stresses of the chord at the connection $($bolts are in a single row$).$

c$.$ Determine the required size of anchor bolt to tie the bracket to the foundation. Use IBC Table $1911\mathrm{.}2.$

Figure $13\mathrm{.}1$