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CE1264 STRENGTH OF MATERIALS
Posted Date: 24 Apr 2008 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: Nithya Krishna Member Level: Gold
Rating:  Points: 5
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CE1264 STRENGTH OF MATERIALS
UNIT I
Concept of stress- tensile and compressive stresses- shear stress- Elastic limit – Hooke’s law- Elastic constants and their relationship – Poisson’s ratio – Generalized Hooke’s law –
Elongation of Simple and composite bars under external load - allowable stress – Factor of safety- Thermal stresses of Simple members – strength of simple connections for cotter joints and screwed joints, Resilience-suddenly applied loads, strain gauges.
UNIT II
Stresses in beams – neutral axis- theory of simple bending- bending stresses in rectangular, I-sections and circular section beams. Bending stresses in composite section beams. Shear stresses in beams –rectangular, I-sections and circular sections. Stress components on a general plane and oblique plane - Principal stresses and Principal Planes, Maximum shear stresses and their planes.
UNIT III
Bending moment-shear force, BMD and SFD for statically determinate beams-cantilever-simply supported--overhanging beams- with or without applied moments, point of contra flexure. Statically indeterminate beams-BMD and SFD for fixed beams, propped cantilever beams and continuous beams-theorem of three moments.
UNIT IV
Slope and deflection of Cantilever, overhanging and simply supported beams - Double integration method - Moment area method- problems with various types of load with or without applied moments and varying flexural rigidity (EI).
Torsion of solid and hollow circular shafts – power transmitted by shafts – compound shafts - shafts subjected to both twisting and bending moment - Open coil and closed coil helical springs.
UNIT V
Columns and struts - long and short columns- Euler’s formula for long column – equivalent length – slenderness ratio - Eccentric loaded long and short columns - Rankine Gordon formula, use of Strut formulae. Thin cylinders and thin spherical shells-under internal pressure-change in volume due to internal pressure. Thick cylinders – simple treatment of thick cylindrical walled pressure vessels
TEXT BOOKS
1. S. Timoshenko, “Strength of Materials”, 3rd Edition, CBS Publishers & Distributers, Delhi, 1986.
2. Rajput. R.K. “Strength of Materials”, 2nd Edition, S. Chand &Co., New Delhi, 1999.
REFERENCES
1. Andrew, Pytel, Singer, Ferdriand L., “Strength of Materials”, 4th Edition, Harper & Ron Publishers, New York, 1980.
2. Gere & S. Timoshenko, “Mechanics of Materials”, 2nd Edition, CBS Publishers & Distributors, New Delhi, 1986
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