Analytical Methodology to Predict the Beam Overstrength Considering the Composite Slab Effects
-
Published:2018-02
Issue:
Volume:763
Page:826-834
-
ISSN:1662-9795
-
Container-title:Key Engineering Materials
-
language:
-
Short-container-title:KEM
Author:
Chaudhari Tushar1, MacRae Gregory A.1, Bull Des1, Clifton George Charles2, Hicks Stephen3
Affiliation:
1. University of Canterbury 2. University of Auckland 3. NZ Heavy Engineering Research Association (HERA)
Abstract
The design strength of moment resisting steel frames in seismic regions around the world is generally calculated without considering strength enhancement caused by the slab. For column and panel zone design in New Zealand, the beam overstrength including the slab effect is considered. If the slab could be detailed to provide reliable lateral force resistance, then considering it directly in design would result in smaller beam sizes and more economical steel frames. In this paper, a simple analytical model (considering all key modes of failures) to predict the variation in strength due to the presence of the slab is proposed and validated with the experimental data. The proposed model to develop dependable slab contributions may change the design of steel moment frames around the world.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Reference21 articles.
1. M. Bruneau, M. Anagnostopoulou, G. MacRae, C. Clifton, and A. Fussell, Preliminary report on steel building damage from the Darfield earthquake of September 4, 2010, Bulletin of the New Zealand Society for Earthquake Engineering, 43(4) (2010). 2. R.P. Johnson and N. Molenstra, Partial shear connection composite beams for buildings, Proceedings Of The Inst. Of Civil Engineers Part 2, 91(4) (1991) 679-704. 3. D.J. Oehlers and M.A. Bradford, Composite steel and concrete structural members: fundamental behaviour, first ed., Elsevier, Oxford, UK, (1995). 4. G. MacRae, M. Hobbs, D. Bull, T. Chaudhari, R. Leon, C. Clifton, and G. Chase, Slab Effects on Beam-Column Subassemblies-Beam Strength and Elongation Issues, Proc. of the 7th Int. Conf. on Composite Construction in Steel and Concrete, North Queensland, Australia, 28–31 July 2013, American Society of Civil Engineers, Reston, Virginia, USA, ISBN: 9780784479735, 77-92, (2013). 5. M. Hobbs, G. MacRae, U. Gunasekaran, R. Leon, and C. Clifton, Slab column interaction-significant or not?, Steel Innovations Conference 2013, Christchurch, 21-22 February 2013, SCNZ, New Zealand, (2013).
|
|