sm structural mechanics third sem

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 STRUCTURAL MECHANICS –III
L/s: 3/Wk Int: 50 End Exam: 50 Total: 100 End Exam: 3hrs Cr: 3

Objectives of the Course:
 To impart sound knowledge of strength, behavior of various materials and techniques in the analysis of structures.
Expected Skills / Knowledge Transferred: Ability to analyze the standard members in structures.

 Course Contents:

Unit – I Continuous beams:
 Shear Force and Bending Moment diagrams for continuous beams using theorem of three moments (excluding derivation and sinking of supports).

Unit – II Moment Distribution Method:
 Introduction, carryover, relative stiffness, application of Moment Distribution Method to Continuous beams, single bay frame without sway (excluding sinking of supports)

 Unit – III Kani’s method / Rotation Contribution Method:
  Introduction, rotational factors, application of Kani’s method for beams and frames (single bay with out sinking of supports).

 Unit – IV Columns and Struts:
 Buckling and crushing failures, types of end conditions, Euler’s theory of long columns for different end conditions and equivalent length derivations, Rankine’s equation, Derivation and application of the basic formula.

Unit-V
 wind pressure on chimneys ,Maximum & Minimum intensities of stress at bottom of chimneys Retaining walls subjected to earth pressure.

Unit – VI Torsion of Shafts:
 Assumptions, Derivation of basic equation T/J = Gq/l = fs/R, Power Transmitted by shafts, application of basic equation to shafts
.
Unit – VII Arches:
 Determination of horizontal thrust, bending moment and radial shear for three-hinged parabolic and segmental arches with supports at same level and different levels.

Reference books:
A.K.Jain and Punmia. Strength of Materials Ramamrutham, S. Theory of Structures, 17th ed. Danpat Rai Pub. Co. Ltd., New Delhi, 2005. Reddy, C.S. Basic Structural Analysis, 18th ed. Tata McGraw Hill Pub.Co.Ltd., New Delhi, 1991.

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