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Chris Hadnot RPI – Master’s Project Proposal February 16, 2012

An Investigation into Calculating the Percentage of Load Contribution of a Faying Pad when Attached to an Infinitely Long Plate. Chris Hadnot RPI – Master’s Project Proposal February 16, 2012. Weld Study. Introduction/Background

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Chris Hadnot RPI – Master’s Project Proposal February 16, 2012

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  1. An Investigation into Calculating the Percentage of Load Contribution of a Faying Pad when Attached to an Infinitely Long Plate Chris Hadnot RPI – Master’s Project Proposal February 16, 2012

  2. Weld Study • Introduction/Background • Use two plates, a flange (or bottom) plate and a faying pad, to make up a flange. • The simplest faying pad configuration is to instill the use of a large transverse fillet weld across the end of a faying pad. • This will permit the use of thinner plates with lower section moduli and take advantage of its higher allowable stresses.

  3. Weld Study • Problem Description • Objective of the project • Finding the average stress in the weld • Effects

  4. Weld Study

  5. Weld Study • Methodology/Approach • An finite element analysis will need to be conducted in order to accurately predict the average stress in the weld. • This analysis will include a model of a transversely loaded, 100% efficient, double fillet-welded, T-joint. • The analysis will be performed using the Abaqus Finite Element program. • 60 models will be developed to establish the framework for this analysis.

  6. Weld Study • Expected Outcomes • The hope of this project is to show that the load in the faying pad will contribute a greater percentage of the total load going into the plate than the weld will. • By finding the stresses in the infinite plate and in the faying pad, one will be able to calculate the stresses along the throat of the weld.

  7. Weld Study • References • Poutiainen I, Tanskanen P, Marquis G. Finite element methods for structural hot spot stress determination – a comparison of procedures. Int J Fatigue 2004; 26:1147-1157 • Blodgett, Omer W. Design of Welded Structures. Cleveland. The James F. Lincoln Arc Welding Foundation, 1966. • The Procedure Handbook of Arc Welding. 14th Edition. Cleveland. The James F. Lincoln Arc Welding Foundation, 2000. • Shigley, Joseph E., Charles R. Mischke, and Richard G. Budynas. Mechanical Engineering Design. 7th edition. New York City. The McGraw-Hill Companies, Inc., 2004.

  8. Weld Study • Any Questions?

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