and L = ( 6.5 + 1.5b) inches. Determine the design strength oR, for the concentrically loaded weld group.
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- Design a weld connection for an UNP 280×80×9 of S 355 (fy= 355 MPa and fu= 470MPa) steel connected to a 10 mm gusset plate. The guesst plate is S275. Please draw all calculated values on a sketch with full dimensions. D= 335 KNL= 670 KNDifferentiate b/w the following:• Fillet weld & Groove weld• A36 & A242 structural steelsOne leg of an 8 x 8 x 3/4 angle is to be connected with side welds and a weld at the end of the angle to a plate behind, to develop the loads PD = 170 k and PL = 200 k. Balance the fillet welds around the center of gravity of the angle. Using LRFD and ASD methods, determine weld lengths if E70 electrodes and maximum weld size is used.
- Find the size of E70 fillet weld required for the shear and tension connection shown. Use the following details: P = 250 kNe = 130 mmb = 150 mmd = 200 mmAssume the column and bracket plate does not control the strength.Determine the total LFRD design strength and the total ASD allowable strength of the 5/16 – in E70 fillet welds shown.Determine the ASD or LRFD weld size in the connection shown in Figure 8
- Design a weld connection for an UNP 280×80×9 of S 355 (fy= 355 MPa and fu= 470MPa) steel connected to a 10 mm gusset plate. The guesst plate is S275. Please draw all calculated values on a sketch with full dimensions.Calculate the maximum shear force in the welds and the required weld size in the given figure. Where P= 50kN X=60mm, Y=150mm, Z=100mm What is the maximum force on the weld in kN/mm? (2 decimal places) What is the required weld size considering E70xx fillet weld in mm? (rounded value)What size of fillet welds are required to attach a 16 mm flat plate hanger to the bottom flange of a UB 457 x 152 x 74 so that the full tensile capacity of the hanger may be developed ? Calculate the effective width (beff) of the weld. Assume the use of S355 steel for UB and the plate and the width of the plate is the same as the flange width of UB .
- Use an elastic analysis and determine the maximum load per inch of weld.Select an American Standard Channel shape for the following tensile loads: dead load = 54 kips, live load = 80 kips, and wind load = 75 kips. The connection will be with longitudinal welds. Use an estimated shear lag factor of U = 0.85. (In a practical design, once the member was selected and the connection designed, the value of U would be computed and the member design could be revised if necessary.) The length is 17.5 ft. Use Fy=50 ksi and Fu=65 ksi. a. Use LRFD. b. Use ASD.A staggered riveted connection has rivets arranged as shown below. The plate is 400 mm and 12 mm thick with four bolt holes. The diameter of rivet is 34 mm The diameter of the rivet hole is assumed to be 5 mm larger than rivet diameter. Fy = 248 MPa. Fu= 410 MPa, Fv in rivets is 372 MPa. 1. Which of the following gives the distance b so that the net area in section 1 – 2 – 3 – 4 equal to the net area in section 1 – 2 – 4 a. 30.01 mm b. 25.12 mm c. 19.7 mm d. 12.23 mm 2. Which of the following gives the net area using the computed value of b. a. 4622.65 mm² b. 5623.75 mm² c. 3623.64 mm² d. 7652.85 mm² 3. Which of the following gives the maximum tensile force that the connection could carry if the allowable yield stress is Fy/1.67. a. 432.12 kN b. 724.73 kN c. 253.25 kN d. 712.81 kN 4. Which of the following gives the maximum tensile force that the…