3-25. A36 steel and 3/4-in Ø bolts (Ans. LRFD 170.42 k, ASD 113.39 k) - L7 x 4 x} 1 in 3 in 2 in 3 in + 2 in FIGURE P3-25

A double-angle shape, 2L7 3 4 3 3⁄8, is used as a tension member. The twoangles are connected to a gusset plate with 7⁄8-inch-diameter bolts throughthe 7-inch legs, as shown in Figure P3.4-5. A572 Grade 50 steel is used.a. Compute the design strength.b. Compute the allowable strength.

Determine the effective net cross-sectional area of the C12 × 25 shown in Fig. P3-18. Holes are for 3/4 in Ø bolts. 1 in И И 3 in O O O 5 in O O O 3 in ttete All 2 in FIGURE P3-18 -/2 IN

Compute the net area. The plate 7/8 x 14 shown in Fig. P3-11. The holes are for 7/8-in Ø bolts.