Experimental and analytical study on ultimate strength behavior of steel–concrete–steel sandwich composite beam structures

Jia Bao Yan, J. Y.Richard Liew, Min Hong Zhang, K. M.A. Sohel

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Steel–concrete–steel (SCS) sandwich composite structure is a relative new type of system that combines the advantages of steel and reinforced concrete structure. Due to its excellent strength to cost performance, it exhibits versatile potential applications in building and offshore constructions. In order to reduce the self-weight of the structure and achieve composite action between the steel and concrete, ultra-lightweight cement composite and novel shear connectors have been developed and applied in the SCS sandwich composite structures, respectively. Meanwhile, the development of design guidelines lags behind the innovation of the structure. In this paper, experimental studies on SCS sandwich composite beams with different types of concretes and novel shear connectors are presented. This is followed by the development of analytical model to predict the ultimate strength of the SCS sandwich composite beams. Finally, the proposed analytical model is verified against the results from a series of beams tests which include Bi-steel sandwich beams, double skin beams, sandwich beams with J-hook connectors, angle connectors, and cable connectors. Through the analysis and verification, new methods to predict the ultimate strength of SCS sandwich composite beams are recommended for design purposes.

Original languageEnglish
Pages (from-to)1523-1544
Number of pages22
JournalMaterials and Structures/Materiaux et Constructions
Volume48
Issue number5
DOIs
Publication statusPublished - May 1 2015

Fingerprint

Connectors (structural)
Steel
Composite materials
Composite structures
Analytical models
Concretes
Hooks
Concrete construction
Reinforced concrete
Skin
Cements
Cables
Innovation
Costs

Keywords

  • Bending resistance
  • Novel shear connector
  • Resistance of shear connector
  • Sandwich composite structure
  • Steel–concrete–steel sandwich
  • Transverse shear resistance

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)
  • Mechanics of Materials

Cite this

Experimental and analytical study on ultimate strength behavior of steel–concrete–steel sandwich composite beam structures. / Yan, Jia Bao; Liew, J. Y.Richard; Zhang, Min Hong; Sohel, K. M.A.

In: Materials and Structures/Materiaux et Constructions, Vol. 48, No. 5, 01.05.2015, p. 1523-1544.

Research output: Contribution to journalArticle

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