Structural Steel Design (6th Edition)
6th Edition
ISBN: 9780134589657
Author: Jack C. McCormac, Stephen F. Csernak
Publisher: PEARSON
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Chapter 14, Problem 14.20PFS
Using the elastic method, determine the maximum force per inch to be resisted by the fillet welds shown in the accompanying illustration. Then determine the fillet weld size required if E70 electrodes are used.
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Using the elastic method, determine the maximum force to be resisted per inch by the fillet weld shown in the accompanying illustration.
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Structural Steel Design (6th Edition)
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- Which of the following most nearly gives the throat of a 9 mm fillet weld? a. 4.5 mm b. 6.4 mm c. 12.7 mm d. 7.4 mmarrow_forwardUsing E70 electrodes and the SMAW process, determine the LRFD fillet weld size required for the bracket shown in the accompanying illustration. Use AISC tables and the ultimate strength method.arrow_forwardDetermine the required fillet weld size for the angle bracket shown per the given weld configuration to carry the given eccentric load. Use ASD.arrow_forward
- Rework Prob. 14-25 if the load is increased from 40 to 60 k and the horizontal weld lengths are increased from 6 to 8 in. Prob. 14-25: Using E70 electrodes and the SMAW process, determine the LRFD fillet weld size required for the bracket shown in the accompanying illustration. (a) Use elastic method. (b) Use AISC tables and the ultimate strength method.arrow_forwardDetermine the total LFRD design strength and the total ASD allowable strength of the 5/16 – in E70 fillet welds shown.arrow_forwardFind the Load Capacity of the weld if the throat thickness is 8. 13 mm, Nominal Tensile Strength, Fu = 520 MPa, and length of weld = 400 mm.arrow_forward
- Assuming the thickness of the weld is 1 mm, calculate: 1.Moment of Inertia of every parts of weld sections 2.Global Centroid for the weld, assuming it is angle section. 3.Global Moment of Inertia with respect to Y and X axis respectively (Ix and Iy) . 4.The farthest distance of weld, Rmax. of weld subject to in-planearrow_forwardWhat 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 .arrow_forwardTopic:Welded Connection - Civil Engineering -Steel Design *Use latest NSCP/NSCP 2015 formula to solve this problem *Please use hand written to solve this problem A WT bracket is connected to a wide flange column with an E. 70 fillet welds as shown in the figure with Pu = 380 KN acting at an eccentricity of 150 mm. Questions: a) Determine the average vertical force per unit length of weld. b) Determine the maximum force to be resisted by the fillet weld. c) Determine the size of the fillet weld appropriate to carry the load.arrow_forward
- Two plates are welded as shown. As per NSCP specifications, the effective area of fillet welds shall be taken as the effective length times the effective throat thickness and the maximum size of fillet welds that is permitted along the edges of connected parts shall be:* Material less than 6 mm thick, not greater than the thickness of material* Material 6 mm or more in thickness, not greater than the thickness of material minus 1.6 mm.The plates are 12 mm thick and 350 mm wide. Nominal tensile strength (Fu) of weld is 550 MPa. Allowable shear stress is 0.30Fu. 1. Which of the following most nearly gives the maximum size of fillet weld, in mm? a. 11 b. 12 c. 10.5 d. 11.5 2. Which of the following most nearly gives the effective area of the weld, in mm²? a. 2573 b. 3614 c. 2810 d. 3700 3. Which of the following most nearly gives the safe value of tensile force P, in kN? a. 424.6 b.…arrow_forwardOne 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.arrow_forwardShow min weld strength (kips/in) of the nominal size of the fillet weld from 1/8" to ¾” with SMAW. Explain the effective area of the welds.arrow_forward
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