Research and Applications in Structural Engineering, Mechanics and Computation – Zingoni (Ed.)
© 2013 Taylor & Francis Group, London, ISBN 978-1-138-00061-2
Analyzing portal frames using rotational springs
T.N. Haas, H.L. Albertyn & P.E. Dunaiski
Department of Civil Engineering, Stellenbosch University, South Africa
ABSTRACT: Portal frames are steel structures used in the construction of various types of industrial buildings.
Very few portal frames are required to cover large areas. Portal frames predominantly consist of steel columns
and rafters. Haunched connections are usually used to connect the columns to the rafters and rafters to each other.
The base of the column is connected to the foundation through base plates. Design engineering professionals ...