Structural behaviours of railway prestressed concrete sleepers (crossties) with hole and web openings

Sakdirat Kaewunruen, Erosha Kahawatta Gamage, Alex Remennikov

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)
205 Downloads (Pure)

Abstract

As the crosstie beam in railway track systems, the prestressed concrete sleepers (or railroad ties) are principally designed in order to carry wheel loads from the rails to the ground. Their design takes into account static and dynamic loading conditions. It is evident that prestressed concrete has played a significant role as to maintain the high endurance of the sleepers under low to moderate repeated impact loads. In spite of the most common use of the prestressed concrete sleepers in railway tracks, there have always been considerable demands from rail and track engineers to improve serviceability and functionality of concrete sleepers. For example, signaling, fibre optic, equipment cables are often damaged either by acute ballast corners or by tamping machine operation. There has been a significant need to re-design concrete sleeper to cater cables internally so that they would not experience detrimental or harsh environments. Accordingly, this study is the world first to experimentally investigate the effects of holes and web openings on structural behaviours of concrete sleepers under rail loading condition. The modified compression field theory for ultimate strength behaviours of concrete sleepers will be highlighted in this study. The outcome of this study will enable the new design and calculation methods for prestressed concrete sleepers with holes and web opening that practically benefits civil, track and structural engineers in railway industry.
Original languageEnglish
Pages (from-to)1247–1253
Number of pages7
JournalProcedia Engineering
Volume161
Early online date18 Oct 2016
DOIs
Publication statusPublished - 2016
EventWorld Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium 2016: WMCAUS 2016 - Prague, Czech Republic
Duration: 13 Jun 201617 Jun 2016

Keywords

  • Prestressed concrete sleepers
  • structural behaviour
  • web opening
  • hole
  • static
  • performance

Fingerprint

Dive into the research topics of 'Structural behaviours of railway prestressed concrete sleepers (crossties) with hole and web openings'. Together they form a unique fingerprint.

Cite this