JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

The objectives of the course is to

• Explain the mechanical properties of structural steel, plasticity, yield.
• Describe the salient features of Limit State Method of design of Steel structures.
• Identify and explain the codal provisions given in IS. 800.
• Analyze the behaviour of steel structures under tension, compression and flexure.
• Design the tension, compression, flexural members and plate girder
• Design the connection in steel structure, build - up member and (bolted and welded).

Course Outcomes

After the completion of the course student should be able to

• Analyze the tension members, compression members.
• Design the tension members, compression members and column bases and joints and connections
• Analyze and Design the beams including built-up sections and beam and connections.
• Identify and Design the various components of welded plate girder including stiffeners

UNIT - I

Materials – Types of structural steel – Mechanical properties of steel – Concepts of plasticity – yield strength - Loads and Stresses – Local buckling behavior of steel. Concepts of limit State Design – Different Limit States – Load combinations for different Limit states - Design Strengths - deflection limits – serviceability – stability check. Design of Connections– Different types of connections – Bolted connections – Design strength – efficiency of joint– prying action - Welded connections – Types of welded joints – Design requirements - Design of Beam-column connections - Eccentric connections - Type I and Type II connection – Framed connection– stiffened / seated connection.

UNIT - II

Design of tension members –Simple and built up members - Design strength – Design procedure for splicing - lug angle. Design of compression members – Buckling class – slenderness ratio – Design of simple compression members - laced – battened columns – splice – column base – slab base.

UNIT - III

Plastic Analysis;Plastic moment – Plastic section modulus - Plastic analysis of continuous beams Design of Flexural Members – Laterally supported and unsupported Beams – Design of laterally supported beams - Bending and shear strength/buckling – Built-up sections - Beam splice

UNIT - IV

Design of welded plate girders – elements – economical depth – design of main section – connections between web and flange – design of stiffeners - bearing stiffener– intermediate stiffeners – Design of web splice and flange splice.

UNIT - V

Design of Industrial Structures; Types of roof trusses - loads on trusses – wind loads - Purlin design – truss design – Design of welded Gantry girder

Note

Design of structural members include detailed sketches.

R18 B.TECH CIVIL ENGG. III YEAR

TEXT BOOKS:

• 1. Design of steel structures by S.K.Duggal,Tata Macgrawhill publishers,2000,2nd Edition.
• 2. Design of steel structures by N.Subramanian,Oxford University press,2008.
• 3. Design of steel structures by K.S.Sairam,Pearson Educational India, 2nd Edition, 2013.

REFERENCE BOOKS:

• 1. Design of steel structures by Edwin H.Gayrold and Charles Gayrold,Tata Mac-grawhill publishers,1972
• 2. Design of steel structures by L.S.JayaGopal,D.Tensing,Vikas Publishing House. R18 B.TECH CIVIL ENGG. III YEAR