9-17 A steel bar of thickness h, to be used as a beam, is welded to a vertical support by two fillet to welds as shown in the figure. 9-20 (a) Find the safe bending force F if the allowable shear stress in the welds is allow- (b) In part a, you found a simple expression for F in terms of the allowable shear stress. Find the allowable load if the electrode is E7010, the bar is hot-rolled 1020, and the support is hot-rolled 1015. Problem Number b 9-17 50 mm 150 mm 9-19 50 mm 150 mm d 50 mm 30 mm h 5 mm 5 mm Tallow 140 MPa 140 MPa Problems 9-17 to 9-20

9-17 A steel bar of thickness h, to be used as a beam, is welded to a vertical support by two fillet to welds as shown in the figure. 9-20 (a) Find the safe bending force F if the allowable shear stress in the welds is allow- (b) In part a, you found a simple expression for F in terms of the allowable shear stress. Find the allowable load if the electrode is E7010, the bar is hot-rolled 1020, and the support is hot-rolled 1015. Problem Number b 9-17 50 mm 150 mm 9-19 50 mm 150 mm d 50 mm 30 mm h 5 mm 5 mm Tallow 140 MPa 140 MPa Problems 9-17 to 9-20

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Considering Figure 20-8 (textbook), the bending geometry parameter, Sw, for case 9 when b=6 and d=9 is most likely: 63.6 54 37.8 13.5 81 27 63 49.5 67.5
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) find the required fillet welds size if the allowable shoar stress is 9.4 KN/Cm fot the figure below Talls 190m 450 mm A Ans: h=5.64 mm =30 KN 250 *-F=l。ト %3D
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Te - Effective throat thickness well in mm = 6 sin45° Consider the following drawing in which plate 1 is welded onto plate 2 as shown for tensile and shear loading. The plates are fillet welded with a weld thickness of 6 mm as shown for a length of 150 mm. The plates have an ultimate strength of 275 MPa and the welding was done with F70 welding electrodes, which possesses an ultimate strength of 483 MPa. Consider a partial factor of safety of 1.7 for the welded joint and determine the design strength of the weld joint, both in tension (Tdw) and in shear (Vdw) due to the forces acting on it. a) Determine the design strength of the following weld in tension ( ) due to vertical forces. b) Determine the design strength of the weld in shear ( ) due to horizontal forces. Attached pic is shear equation for calculation Tension equation for calculation is: Tdw = FyLwte /Ymw
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