WITH EFFECT FROM THE ACADEMIC YEAR 2012 - 2013

CE 353

THEORY OF STRUCTURES - II

Instruction                                             4             (Th) + 2 Tutorials

Duration of University Examination    3             Hours

University Examination                        75           Marks

Sessional                                               25           Marks

UNIT-I

Moving Loads: Influence line for support reactions, bending moment and shear force at any location for a simple beam. Determination of maximum support reactions, maximum bending moment and shear force at any location for moving load systems on simply supported girders.

Curves of maximum bending moment and shear force for simply supported girders traversed by (i) single point load, (ii) two point loads, (iii) uniformly distributed load longer than span and (iv) uniformly distributed load shorter than span. Enveloping parabola and EUDLL.

UNIT-II

Elastic Theory of Arches: Eddy’s theorem, three hinged parabolic and segmental arches, determination of horizontal thrust, bending moment, normal thrust and radial shear for static loading, influence lines for horizontal thrust, bending moment, normal thrust and radial shear.

Two Hinged Arches: Parabolic and segmental, determination of horizontal thrust, bending moment, normal thrust and radial shear for static loading and temperature effects.

UNIT-III

Moving loads on trusses: Influence lines for forces in members of statically determinate pin jointed plane trusses under moving loads for Warren girder, Pratt truss and curved flange truss;

Suspension Bridges: Stresses in suspended loaded cables, length of cable for simple suspension bridge with 3 hinged stiffening girders for static loading. Influence lines for support reactions, tension in the cable, bending moment and shear force.

UNIT-IV

Flexibility method of Analysis: Analysis of continuous beams, pin jointed plane trusses and rigid jointed plane frames with static indeterminacy not exceeding two.

UNIT-V

Stiffness method of Analysis: Analysis of continuous beams, pin jointed plane trusses and rigid jointed plane frames with kinematic indeterminacy not exceeding three. Direct formulation of stiffness matrix for plane frames with number of bays and stories not exceeding two.

Suggested Reading:

1. 1.Junarkar, S. B. and Shah, “Mechanics of structures”, Charotar Pub. House, 2001.

1. 2.Prakash Rao, D. S., “Structural Analysis- a unified approach”,

Universities Press, 1996

1. 3.Punmia, B. C., Jain, A. K. and Jain, A. K., “Strength of Materials and Theory of Structures”, Laxmi Publications, 2000.

1. 4.Gupta, S. P. and Pandit, G. S., “Theory of Structures”, Tata McGraw Hill, 1999.

5. Weaver and Gere, "Matrix Analysis of Framed Structures", CBS Publisher, 2004

1. 6.Ramamrutham, S., “Theory of Structures, Dhanpathi Rai Publishing Company (P) Ltd.

1. 7.Gupta, S. P and Pandit, G. S., Structural analysis A Matrix approach, Tata McGraw Hill.