WITH EFFECT FROM THE ACADEMIC YEAR 2012 - 2013
CE 352
STEEL STRUCTURES
Instruction 4 (Th) + 2 Drawing
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks Marks
(Note: All relevant IS codes necessary for teaching this course may be introduced and referred in detail by the Faculty concerned)
UNIT-I
Materials and Specifications: Chemical composition of Steel, Types of Structural Steel, Residual Stresses, Stress Concentration.
Basis of Structural Design: Codes and Specifications, Design Philosophies, Working Stress Method, Limit State Method.
Loading and Load Combinations: Characteristic Loads, Dead Loads, Imposed Loads, Earthquake Loads, Wind Loads and Load Combinations. Partial safety factors for materials and loads.
Bolted Connections (Limit State Method): Bolted Connections, Behavior of Bolted Joints, Design Strength of Ordinary Black Bolts, Design Strength of High Strength Friction Grip Bolts, Pin Connections, Simple Connections and Eccentric Connections.
Welded Connections (Limit State Method): Types and Properties of Welds, Types of Joints, Effective areas of Welds, Design of Welds, Simple Connections and Eccentric Connections.
UNIT-II
Working Stress Method: Permissible Stresses, Slenderness Ratio, Net Area of Cross Section, Design of tension members, Design of Simple Compression Members.
Design of Tension Members (Limit State Method): Types of Tension Members, Design of Strands, Slenderness Ratio, Modes of Failure, Factors Effecting Strength of Tension Members, Design of Tension Members (Angles, Other Sections and Rods).
UNIT-III
Design of Beams (Limit State Method): Types of Beams, Section Classification, Lateral Stability of Beams, Design of Laterally Supported Beams, Design of Laterally Unsupported Beams, Shear Strength of Beams, Maximum Deflection, Web Buckling and Web Crippling, Biaxial Bending and Unsymmetrical Bending.
UNIT-IV
Design of Compression Members (Limit State Method):
Introduction, Possible Failure Modes, Behavior of Compression Members, Elastic Buckling of Slender Compression Members, Behavior of Real Compression Members, Sections used for Compression Members, Effective Length of Compression Members, Design of Compression Members with Single Section and Built-up Sections (Symmetric in both directions), Lacing and Battening, Column Splices.
Design of Slab Bases: Design of Slab and Gusset Base for Columns.
UNIT-V
Design of Roof Trusses (Limit State Method): Types of Trusses, Kinds of End Supports, Estimation of Loads for Different Roof Coverings, Self Weight of Truss, Wind effects, Design of Purlins for Dead Loads, Imposed Loads and Wind Loads. Detailed Design of a Roof Truss including Joints and Supports for Angular Trusses only.
Suggested Reading:
- 1.Subramanian, N, “Design of Steel Structures”, Oxford University Press, 2008.
- 2.Duggal, S. K., “Design of Steel Structures”, Tata McGraw-Hill Publications, 2009.
Bhavikatti, S. S., “Design of Steel Structures”, I. K. International Publishing House Pvt. Ltd., 2010.