Experimental evaluation of the shear resistance of corrugated perfobond rib shear connections

Sang Hyo Kim, Jin Hee Ahn, Kyu Tae Choi, Chi Young Jung

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Push-out tests were carried out to examine the shear strength of corrugated perfobond rib shear connections. The corrugated perfobond rib shear connection, formed by folding the straight perfobond rib steel panel, can be expected to increase the shear capacity and ductility of a shear connector due to the shear resistance and deformation of the inclined rib panel. To examine the shear behaviour of the corrugated perfobond rib connection and compare it with that of the perfobond rib, the push-out specimens were fabricated to suit the shear corrugated rib resistance parameters of depth of rib, height of rib, holes in the corrugated rib and whether transverse rebar is placed in the corrugated rib holes. Results of the push-outs show that the failure of corrugated perfobond rib shear connection is determined by concrete bearing and small deformations of inclined perfobond rib panel. Specifically, the corrugated rib specimens showed different relative slips at each side of the composite interface owing to the stress flow along the inclined rib developed by inclined direction of the welded corrugated perfobond rib. The transverse rebar in the rib hole reduced the difference in relative slips. The shear strength of the corrugated connection is increased by about 198∼512% compared with the standard perfobond rib specimen connection with transverse rebars and without transverse rebars respectively. However, the contribution of other shear resistance parameters is found to be relatively small compared with the contribution provided by transverse rebars in the rib holes. In terms of the ductility of the shear connector, the relative slip of the corrugated rib connections increased after ultimate load, so it is evaluated to have a sufficient ductility.

Original languageEnglish
Pages (from-to)249-263
Number of pages15
JournalAdvances in Structural Engineering
Volume14
Issue number2
DOIs
Publication statusPublished - 2011 Apr 1

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Ductility
Shear strength
Bearings (structural)
Plastic flow
Concretes
Steel
Composite materials

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

Cite this

Kim, Sang Hyo ; Ahn, Jin Hee ; Choi, Kyu Tae ; Jung, Chi Young. / Experimental evaluation of the shear resistance of corrugated perfobond rib shear connections. In: Advances in Structural Engineering. 2011 ; Vol. 14, No. 2. pp. 249-263.
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Experimental evaluation of the shear resistance of corrugated perfobond rib shear connections. / Kim, Sang Hyo; Ahn, Jin Hee; Choi, Kyu Tae; Jung, Chi Young.

In: Advances in Structural Engineering, Vol. 14, No. 2, 01.04.2011, p. 249-263.

Research output: Contribution to journalArticle

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