1 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110 Stress Concentration Fall 2010 Dr....
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Transcript of 1 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110 Stress Concentration Fall 2010 Dr....
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Classes #5, 6, 7, 8 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110Civil Engineering Materials – CIVE 2110
Stress ConcentrationStress Concentration
Fall 2010Fall 2010
Dr. GuptaDr. Gupta
Dr. PickettDr. Pickett
Stress ConcentrationComplex 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
σaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationComplex 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
σaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationMAX Normal Stress will occur at
Smallest cross sectional area.
K = Stress Concentration factor
depends on – member geometry
- type of discontinuity
σaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationMAX Normal Stress will occur at
Smallest cross sectional area.
K = Stress Concentration factor
depends on – member geometry
- type of discontinuity
σaverage=P/Asmallest cross section
averageMAX K
Stress Concentration -Problem: # 4-88-Pg. 180-Hibbeler, 7th edition
Stress Concentration -Problem: # 4-95-Pg. 181-Hibbeler, 7th edition