DESIGN OF STEEL STRUCTURAL ELEMENTS (18CV61)

DESIGN OF STEEL STRUCTURAL ELEMENTS

• Course Code 18CV61 
• CIE Marks 40
• Teaching Hours/Week(L:T:P) (3:2:0) 
• SEE Marks 60
• Credits 04 
• Exam Hours 03

Course Learning Objectives: This course will enable students to

1. Understand the advantages and disadvantages of steel structures, steel code provisions, and plastic
the behavior of structural steel.
2. Learn Bolted connections and Welded connections.
3. Design of compression members, built-up columns, and column splices.
4. Design of tension members, simple slab base, and gusseted base.
5. Design of laterally supported and un-supported steel beams.

Module -1

Introduction: Advantages and Disadvantages of Steel Structures, Limit state method Limit State of
Strength, Structural Stability, Serviceability Limit states, Failure Criteria of steel, Design Consideration,
Loading and load combinations, IS code provisions, Specification and Section classification.
Plastic Behavior of Structural Steel: Introduction, Plastic theory, Plastic Hinge Concept, Plastic collapse
load, load factor, Shape factor, Theorem of plastic collapse, Methods of Plastic analysis, Plastic analysis of Continuous Beams.

Click here to download Module-1

Module -2

Bolted Connections: Introduction, Types of Bolts, Behavior of bolted joints, Design of High Strength
friction Grip (HSFG) bolts, Design of Simple bolted Connections (Lap and Butt joints)and bracket
connections.Welded Connections: Introduction, Types and properties of welds, Effective areas of welds, Weld Defects, Simple welded joints for truss member and bracket connections, Advantages and Disadvantages of Bolted and Welded Connections.

Click here to download Module-2

Module -3

Design of Compression Members: Introduction, Failure modes, Behavior of compression members,
Sections used for compression members, Effective length of compression members, Design of compression members and built up Compression members, Design of Laced and Battened Systems.

Click here to download Module-3

Module -4

Design of Tension Members: Introduction, Types of Tension members, Slenderness ratio, Modes of
Failure, Factors affecting the strength of tension members, Design of Tension members and Lug angles,
Splices, Gussets. Design of Column Bases: Design of Simple Slab Base and Gusseted Base.

Click here to download Module-4

Module -5

Design of Beams: Introduction, Beam types, Lateral Stability of beams, factors affecting lateral stability, Behavior of Beams in Bending, Design strength of laterally supported beams in Bending, Design of Laterally unsupported Beams [No Numerical Problems], Shear Strength of Steel Beams.
Beam to Beam Connections, Beam to Column Connection and Column Splices [No Numerical Problems].

Important Links:

1. Click here to download complete Module -1 to 5 Notes

Course Outcomes: After studying this course, students will be able to:

1. Possess knowledge of Steel Structures Advantages and Disadvantages of Steel structures, steel code
provisions and plastic behaviour of structural steel.
2. Understand the Concept of Bolted and Welded connections.
3. Understand the Concept of Design of compression members, built-up columns and columns splices.
4. Understand the Concept of Design of tension members, simple slab base and gusseted base.
5. Understand the Concept of Design of laterally supported and un-supported steel beams.

Question paper pattern:

 The question paper will have ten full questions carrying equal marks.
 Each full question will be for 20 marks.
 There will be two full questions (with a maximum of four sub- questions) from each module.
 Each full question will have sub- question covering all the topics under a module.
 The students will have to answer five full questions, selecting one full question from each module.

Textbooks:

1. N Subramanian., “Design of Steel Structures” (2016), Oxford University Press, New Delhi.
2. Duggal S K., “Limit State Method of Design of Steel Structures”, Tata McGraw Hill, New Delhi.

Reference Books:

1. Dayarathnam P, “Design of Steel Structures”, Scientific International Pvt. Ltd.
2. Kazim S M A and Jindal R S, “Design of Steel Structures”, Prentice Hall of India, New Delhi.
3. IS 800-2007: General Construction in Steel Code Practice (Third revision), Bureau of Indian
Standards, New Delhi.