Classes #5, 6, 7, 8
description
Transcript of Classes #5, 6, 7, 8
11
Classes #5, 6, 7, 8 Classes #5, 6, 7, 8 Civil Engineering Materials – CIVE 2110Civil Engineering Materials – CIVE 2110
Stress ConcentrationStress Concentration
Fall 2010Fall 2010Dr. GuptaDr. GuptaDr. PickettDr. Pickett
Stress ConcentrationComplex stress distributions occur at locations of ;- Concentrated loading- Abrupt changes in member cross section
MAX Normal Stresswill occur atSmallest cross sectional area.
K = Stress Concentration factorσaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationComplex stress distributions occur at locations of;- Concentrated loading- Abrupt changes in member cross section
MAX Normal Stresswill occur atSmallest cross sectional area.
K = Stress Concentration factorσaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationMAX Normal Stress will occur atSmallest cross sectional area.
K = Stress Concentration factordepends on – member geometry - type of discontinuity
σaverage=P/Asmallest cross section
averageMAX K
Stress ConcentrationMAX Normal Stress will occur atSmallest cross sectional area.
K = Stress Concentration factordepends 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