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Welcome

Welcome. MZK Rafiqul Islam Asstant Professor( Civil ) TTTC. Subject: Structural Mechanics for 1st Year BSc Tech. ELASTICITY OF MATERIALS. Learning outcome. Able to define stress and strain Able to explain Hook’”s Law Able to deter mine stress , strain and Modulus of elasticity. STRESS.

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Welcome

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  1. Welcome

  2. MZK Rafiqul IslamAsstant Professor( Civil )TTTC Subject: Structural Mechanics for 1st Year BSc Tech

  3. ELASTICITY OF MATERIALS

  4. Learning outcome • Able to define stress and strainAble to explain Hook’”s Law • Able to deter mine stress , strain and Modulus of elasticity

  5. STRESS p A=Area STRESS =S=LOAD/AREA= P/A

  6. STRAIN ∆L L L STRAIN=∂ =ELONGATION/ORIGINAL LENGTH= ∆L/L

  7. HOOK’S LAW • IT STATES THAT STRESS AND STRAIN WITHIN ELASTIC LIMIT STRESS DEVELOPED IS DIRECTLY PROPORTIONAL TO STRAIN

  8. DETERMINATION OF MODULUS OF ELASTICITY

  9. STRESS- SRAIN CURVE

  10. EVALUATION • EXPLAIN STRESS AND STRAIN • DEFINE ELASTICITY • STATE HOOK’S LAW

  11. HOME WORK • WRITE DOWN STEP TO DETERMINE THE MODULUS OF SOLID MATERIALS

  12. THANK YOU

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