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Frontiers of Structural and Civil Engineering

, Volume 10, Issue 4, pp 409–419 | Cite as

Torsional behavior of triangular web profile (TRIWP) steel section by experimental study

  • Fatimah De’nan
  • Hazwani Hasan
  • Mohd Hanim Osman
  • Sariffudin Saad
Research Article
  • 70 Downloads

Abstract

A triangular web profile (TriWP) is a modified section where the flanges are connected to a web plate of triangular profile. This study examined the torsional behavior of TriWP steel sections and compared to that of the flat web (FW) steel sections. Three types of specimen sizes were used: 180 mm × 75 mm × 5 mm × 2 mm, 200 mm × 100 mm × 8 mm × 6 mm, and 200 mm × 100 mm × 6 mm × 5 mm. All the specimens were loaded vertically until the maximum load was achieved and then the load was released. For both types of specimens, it was observed that the torsional rotation for bigger size [200 mm × 100 mm × 8mm × 6 mm] were smaller than that of smaller size [180 mm × 75 mm × 5mm × 2 mm] of the specimens. At the maximum torsional loading, the experimental result was compared to the theoretical calculation. The comparison showed that the percentage difference ranged from 1.10% to 16.80%. From the graph of torsional load versus rotational angle, the torsional rotation for all TriWP steel sections were smaller than that of the FW steel section under the same torsional loading i.e., 0.2 kNm and 1 kNm. The range between FWand TriWP were 3.74 to 71.83 at 0.2 kNm while 14.5 to 75.1 at 1.0 kNm. The findings were shown that the TriWP steel sections had better resistance against torsion in comparison to FW steel section.

Keywords

corrugated web i-beam non uniform steel section torsion resistance torsion angle triangular web profile steel section 

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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Fatimah De’nan
    • 1
  • Hazwani Hasan
    • 1
  • Mohd Hanim Osman
    • 2
  • Sariffudin Saad
    • 2
  1. 1.School of Civil Engineering, Engineering CampusUniversiti Sains MalaysiaPulau PinangMalaysia
  2. 2.Faculty of Civil EngineeringUniversiti Teknologi MalaysiaSkudai JohorMalaysia

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