WITH EFFECT FROM THE ACADEMIC YEAR 2011 - 2012

CE 223

SOLID MECHANICS                                                  

Instruction                                                           4      Periods per week

Duration of University Examination                   3      Hours

University Examination                                      75    Marks

Sessional                                                              25    Marks

UNIT - I

Simple Stresses and Strains : Definitions types of stresses and strains. Hooke's stress-strain diagrams for engineering materials. Modulus of elasticity, Poisson's ratio, volumetric strain, and relationship between elastic constants. Compound bars, and temperature stresses.

UNIT-II

Shear Force and Bending Moment : Shear force and bending moment diagrams for catilever, simply supported beams and beams with overhangs under point loads and uniformly distributed loads, Relationship between intensity of load, shear force and bending moment.

UNIT-III

Theory of Simple Bending : Assumptions and derivation, Modulus of section, moment of resistance, and determination of flexural stresses. Direct and bending stresses on rectangular, circular and standard structural sections. Distribution of shear stresses on rectangular, circular, I-, T-, standard steel and hollow sections.

UNIT-IV

Deflections : Slope and deflections by the method of double integration in cantilever, simply supported beams, and simple beams with overhangs under point loads and uniformly distributed loads.

Strain Energy : Concepts and applications, Stresses and deformations in bars due to gradually applied loads, sudden and impact loads.

UNIT-V

Torsion : Theory of torsion, and derivation of basic equation. solid and hollow circular shafts, strain energy, transmission of power; combined bending and torsion.

Springs : Close coiled helical springs subjected to axial loads and couples' strain energy in springs.

Suggested Reading :

1. 1.D.S. Prakash Rao, Strength of Materials, A Practical Approach,

Universities Press, Hyderabad, 1999.

1. 2.G.H. Ryder, Strength of Materials, Harper & Row, Fourth Edition, New York, 1987.

1. 3.A. Pytel and F.L. Singer, Strength of Materials, Harper & Row, fourth Edition, New York, 1987.

1. 4.S.S. Bhavakatti, Strength of Materials, Vikas Publications,