JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre-requisites

Design of Steel Structures & Structural Analysis

Course Objectives:

• 1. To analyze bolted and welded eccentric connections
• 2. To sketch the Influence line diagrams for truss members
• 3. To estimate the various types of loads such as Dead, Live and Wind loads on roof trusses
• 4. To determine the shape factor and define the theorems of plastic analysis

Course Outcomes

After completion of the course, students should be able to

• 5. Design the eccentric and moment connections
• 6. Design the truss members subjected to tension, compression
• 7. Determine the collapse loads for continuous beams and portal frames
• 8. Estimate the various types of loads such as Dead, Live and Wind loads on PEB’s

UNIT - I

Simple Connections –Bolted Pinned And Welded Connections: Bolted Connections –Load Transfer Mechanism – Failure of Bolted Joints – Specifications for Bolted Joints – Bearing – Type Connections – Tensile Strength of Plate – Strength and Efficiency of the Joint – Combined Shear and Tension – Slip-Critical connections – Prying Action – Combined Shear and Tension for Slip-Critical Connections. Design of Groove Welds - Design of Fillet Welds – Design of Intermittent Fillet Welds – Failure of Welds.

UNIT - II

Plastic Analysis: Introduction – Plastic Theory – Plastic neutral Axis plastic moment, Elastic & Plastic Section modulii shape factors plastic Hinge – Fundamental condition conditions in plastic analysis, methods of plastic analysis – collapse load – simply supported, propped cantilever beam, fixed beams continuous beams, portal frame single bay single storey portal frame at different level subjected to vertical and horizontal loads.

UNIT - III

Eccentric and Moment Connections: Introduction – Beams – Column Connections – Connections Subjected to Eccentric Shear – Bolted Framed Connections –Bolted Seat Connections – Bolted Bracket Connections. Bolted Moment Connections – Welded Framed Connections- Welded Bracket Connections – Moment Resistant Connections.

UNIT - IV

Analysis and Design of Industrial Buildings: Dead loads, live loads and wind loads on roofs. Design wind speed and pressure, wind pressure on roofs; wind effect on cladding and louvers; Design of angular roof truss, tubular truss, truss for a railway platform, Design of purlins for roofs, design of built up purlins, design of knee braced trusses and stanchions, Design of bracings.

UNIT - V

Design of Steel Truss Girder Bridges: Types of truss bridges, component parts of a truss bridge, economic Proportions of trusses, self weight of truss girders, design of bridge Compression members, tension members; wind load on truss girder

Bridges; wind effect on top lateral bracing; bottom lateral bracing; portal Bracing; sway bracing Design of Lacing.

REFERENCES:

• 1. Limitstate Design of Steel Structures by N. Subramanian
• 2. Limit State Design of Steel Structures S.K. Duggal Mc Graw Hill Education Private Ltd. New Delhi.
• 3. Design of Steel Structures. P.Dayaratnam, Publisher : S. Chand, Edition 2011-12.
• 4. Design Steel Structures Volume – II, Dr. Ramachandra & Vivendra Gehlot Scientific Publishes Journals Department.
• 5. Design of Steel Structures Galyord & Gaylord, Publisher: Tata Mc Graw Hill, Education. Edition 2012.
• 6. Indian Standard Code – IS – 800-2007.
• 7. Indian Standard Code – IS – 875 – Part III – 2015 M. Tech in COMPUTER AIDED STRUCTURAL ENGINEERING I YEAR I – SEMESTER