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1 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110 Stress Concentration Fall 2010 Dr. Gupta Dr. Pickett.

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Presentation on theme: "1 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110 Stress Concentration Fall 2010 Dr. Gupta Dr. Pickett."— Presentation transcript:

1 1 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110 Stress Concentration Fall 2010 Dr. Gupta Dr. Pickett

2 Stress Concentration Complex stress distributions occur at locations of ; - Concentrated loading - Abrupt changes in member cross section MAX Normal Stress will occur at Smallest cross sectional area. K = Stress Concentration factor σ average =P/A smallest cross section

3 Stress Concentration Complex stress distributions occur at locations of; - Concentrated loading - Abrupt changes in member cross section MAX Normal Stress will occur at Smallest cross sectional area. K = Stress Concentration factor σ average =P/A smallest cross section

4 Stress Concentration MAX Normal Stress will occur at Smallest cross sectional area. K = Stress Concentration factor depends on – member geometry - type of discontinuity σ average =P/A smallest cross section

5 Stress Concentration MAX Normal Stress will occur at Smallest cross sectional area. K = Stress Concentration factor depends on – member geometry - type of discontinuity σ average =P/A smallest cross section

6 Stress Concentration - - Problem: # 4-88 - - Pg. 180 - - Hibbeler, 7 th edition

7 Stress Concentration - - Problem: # 4-95 - - Pg. 181 - - Hibbeler, 7 th edition

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