Homework 10-3: Compute the net area of each of the given members. Use standard-size bolt holes for all problems. 3/4 in bolts W8 X 18 I W8x18 (A=5.26 IN³, tf = 0.330 IN, tw = 0.230 IN ) Bolt are 3/4"
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- 3. Determine Rn based on bolt limit states. Slip critical connection is used for design and Grade 10.9 M22 Bolts with Class A surface. Check minimum edge distance and spacing with TSSDC 2016. All members are $355. There is no filler between plates and Du=1.0. Fy= 355 MPa; Fu=510 MPa; E=200000 MPa. All units are in mm. $R.=? 100 100 O 60 Geset Plate 75 Plate Gusset Plate $R.=? *20*201 PlateFind the available strength of the S-shape shown in the figure. The holes are for 3/4-inch- diameter bolts. Use A36 steel. Use LRFD Use ASD (1 (2) 3½" I S15 × 50 $23/4" CIVIL ENGINEERING- STEEL DESIGN 1½" 12" e b С d Answer VUZMGLA bolted connection shown is made up of 2L150 x 100 x 9.5 mm. The angle is made of A-36 steel and the bolts have diameter of 22 mm. Properties of 2L150 x 100 x 9.5 mm: A = 4660 mm2 t = 9.5 mm Fy = 248 MPa Fu = 400 MPa Properties of 20 mm A-325 bolts: Fu = 400 MPa 50 50 50 50 50 50,50 힝힝이어 Gusset Plate 9.5mm 100mm Gusset Plate 100mm 31.25 62.5 T 56.25 a. Nominal dimension of hole diameter, dn = 25 mm b. Determine the ultimate shear capacity (kN) of the connection. c. Determine the ultimate tearing capacity (kN) of the connection if the shear lag factor, U = 0.75.
- For the cross section shown, calculate the tensile capacity of the steel plate. Assume that the bolt hole is 1/16 inch larger than bolt diameter. Plate 1/2" x 11" .T 7/8" dia. bolt, typ. ASTM A325NProblem 3.. for 7/8 in bolts. . Compute the net area for the 7/8 x 12 plate shown below. The holes are 2 in O 3 in 3 in 4 in 3 in 2 in PL 7/8 x 12 12 in-The plate shown in the figure 2.19 has a thickness of 12 mm. Diameter of bolts is 16 mm. A 36 steel is used with Fy= 248 MPa and F= 400 MPa. Standard nominal hole diam. of 16 mm bolts = 17 mm. 12 mm 75 mm 75 mm 75 mm 75 mm Figure 2.19 T 300 mm Compute the minimum pitch "S" for which only two and one half bolts need b. subtracted at any one section in calculating the net area. Compute the effective net area of the section if the reduction factor u = 0.75. Compute the allowable tensile strength of this section.
- Example 3.9 FIGURE 3.20 Find the available strength of the S-shape shown in Figure 3.20. The holes are for 3/4-inch-diameter bolts. Use A36 steel. 312" 23/4" S15 × 50 1½" 1/2" b e la C dDetermine the maximum factored LRFD tensile force capacity in tension only (no block shear). The angle is ASTM A36 steel. X = 0.7 Y = 3.8 Z=1/2 Round your answer to 2 decimal places. Your Answer: Incorrect The answer is 77.15 ± 1%. 1/2" X" bolts 1½" Gusset plate -L3 X 3 X Z Tu IThe butt connection shows 8-22 mm diameter bolts spaced as shown below.Use NSCP2001 Steel strength and stresses are: Yield strength, Fy 248 MPa Ultimate strength, Fu = 400 MPa Allowable tensile stress on the gross area = 148 MPa Allowable tensile stress on the net area = 200 MPa Allowable shear stress on the net area = 120 MPa Allowable bolt shear stress, Fv = 120 MPa Bolt hole diameter = 25 mm Calculate the allowable tensile load, P, under the following conditions: 1Based on the gross area of the plate. 2Based on the net area of the plate. 3Based on block shear strength. 50 100 50 50 100 50 40 80 40 12 mm 16 mm
- Two plates each with thickness t = 10 mm are bolted together with 6 - 16 mm diameter bolts forming a lap connection. Plate (A36): Fy = 248 Mpa FU = 400 MPa bolts are A325 in standard holes with threads excluded from shear planes. Considering Tension Yielding, compute the the design strength for LFRD. Use NSCP 2015 Round your answer to 2 decimal places.The butt connection shows 8-22 mm diameter bolts spaced as shown below. P- 50 100 50 50 100 50 16 mm +HHHH 40 80 40 12 mm Steel strength and stresses are: Yield strength, Fy = 248 MPa Ultimate strength, Fu = 400 MPa Allowable tensile stress on the gross area = 148 MPa Allowable tensile stress on the net area = 200 MPa Allowable shear stress on the net area = 120 MPa Allowable bolt shear stress, Fv = 120 MPa Based on the gross area of the plate. Based on the net area of the plate. Based on block shear strength. Bolt hole diameter = 25 mm Calculate the allowable tensile load, P, under the following conditions:The bolted connection shown in Figures is connected with 3/4-in-diameter bolts in standard holes. The plate material is A36 steel. By using strength level design (LRFD), find the available tensile strength of the plates. u=0.8 (5)-¾" bolts 4" C12× 20.7 | 4½" ,3" , 4½" |