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STRENGTH OF MATERIALS TEXTBOOK: MECHANICS OF MATERIALS, 3RD EDITION, BY Beer et al. TEXTBOOK: MECHANICS OF COURSE CONTENT: Concept of stress; stress on bolts and connection; Stress-strain relationships; indeterminate structures; problems with temperature changes; torsion of shaft; normal stress in members subjected to pure moment, or eccentric loading; bending of composite members; unsymmetric bending of beams; shearing stresses in beams; transformation of stresses and strains;

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COURSE OBJECTIVES: Familiarize the student with the principle of stresses and strains. Teach the students how to calculate stresses in axially loaded members, bolts, connection, shafts, and beams. Acquaint students with stress-strain relationship under axial and shear loadings. Provide students with necessary information to solve structurally indeterminate problems based appropriate compatibility equations. Familiarize students with methods of calculating strains and/or stresses resulting associated with temperature changes. Acquaint students with methods of calculating stresses and strains due to torsion in shafts including examples involving indeterminate shaft systems. Teach the students ways of calculating normal stress in members subjected to pure moments or eccentric loadings.

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**Introduce students to unsymmetric bending of beams. **

COURSE OBJECTIVES: Show the students how normal stresses are calculated in composite bars subjected to pure bending moment. Introduce students to unsymmetric bending of beams. Show students methods of calculating shear flow, and shearing stresses in beams subjected to transverse loading. Familiarize students with the concept of principal stresses and methods of their calculations including Mohr’s circle.

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**COURSE OUTLINE TOPIC LECTURES CHAPTER I: CONCEPT OF STRESS**

Sections: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13 51 CHAPTER II: STRESS & STRAIN - AXIAL LOADING Sections: 2.1, 2.2, 2.3, 2.5, 2.8, 2.9, 2.10, 2.11, 2.12, 2.14, 2.15 101 CHAPTER III: TORSION Sections: 41 CHAPTER IV: PURE BENDING Sections: , CHAPTER V: SHEARING STRESSES IN BEAMS Sections: 6.1, 6.2, 6.3, 6.4, 6.7

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COURSE OUTLINE CHAPTER VI: TRANSFORMATION OF STRESSES & STRAINS Sections: 7.1, 7.2, 7.3, 7.4, 7.9, 8.2 41 CHAPTER VI: DEFLECTION OF BEAMS Sections: 9.1, 9.2, 9.3, 9.5, 9.6 31 CHAPTER VIII: STABILITY CONCEPT Sections:

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**Assignment and Quizzes = 10%**

GRADE DISTRIBUTION Assignment and Quizzes = 10% First Exam = 25% Second Exam = 25% Final Exam = 40% IMPORTANT DATES First Exam 23/11/2010 2-3:30 Second Exam 28/12/2010

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**HOMEWORKS {4rd Edition}**

Chapter 1 4, 10, 15, 19, 22, 32, 40, 55, 61, 62, 64 HW # 1 Chapter 2 16, 20, 24, 35, 40, 41, 45, 46, 55, 67, 71 HW # 2 Chapter 3 11, 19, 37, 40, 46, 52, 64 HW # 3 Chapter 4 7, 10, 14, 24, 57, 61, 62, 65, 130, 138, 143 HW # 4 150, 162, 164, 166, 212 HW # 5 Chapter 5* 7, 20, 24, 32, 43, 44, 45, 57, 58 HW # 6 Chapter 6** 4, 12, 20, 24, 60, 61 HW # 7 *: Chapter 6 in the textbook. **: Chapter 7 in the textbook.

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Composite Beam Transformed homogeneous beam obtained through a transformation factor: n = E1E2E1E2 dF = σ dA = σ dA’ σ dz dy = σ’ n dz dy σ = n σ’ and.

Composite Beam Transformed homogeneous beam obtained through a transformation factor: n = E1E2E1E2 dF = σ dA = σ dA’ σ dz dy = σ’ n dz dy σ = n σ’ and.

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