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KSCE Journal of Civil Engineering

, Volume 23, Issue 9, pp 3961–3967 | Cite as

Relationship between Cracking Closure and Zero Stress Temperature in Concrete Pavements

  • Jin-Whoy Park
  • SungWoo RyuEmail author
  • HanJin Oh
  • Yoon-Ho Cho
Highway Engineering
  • 7 Downloads

Abstract

Spalling, which deteriorates the condition of concrete pavements and reduces riding comfort, is caused by many factors. In this study, as a potential factor for spalling, the relationship between crack closure and the zero-stress temperature (ZST) was investigated based on measurements made on three types of concrete pavement. As a result, the ZST, which is determined by the air and concrete temperatures when the concrete is placed, was found to be correlated with crack behavior in concrete pavement. In particular, continuously reinforced concrete overlay (CRCO) or pavement (CRCP) tended to develop crack closure at temperatures exceeding the ZST due to the effect of rebars embedded in the CRCP in constraining excessive opening of cracks. In contrast, the whitetopping section with joints did not show crack closure irrespective of the ZST. From this, it can be inferred that early-age concrete temperature management can contribute to the performance enhancement and service life extension of concrete pavements.

Keywords

spalling zero stress temperature crack closure distress concrete pavement CRCO CRCP 

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Notes

Acknowledgements

This study was conducted under research project Subbase and Subgrade Performance Investigation and Design Guideline for Concrete Pavement (Project No: FHWA/TX-12/0-6037-2), Pilot Implementation of Whitetopping (Project No: FHWA/TX-17/5-5482-01-1) in Texas, USA, Development of Pavement on Low Speed Road at Chung-Ang University in Korea, and A Study on Stress Relief Joint for Preventing Blow-up of Concrete Pavement at Korea Expressway Corporation Research Institute (KECRI) in Korea. The authors would like to thank the members of research team, TxDOT, Chung-Ang University, and KECRI for their guidances and supports throughout the project.

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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  1. 1.Dept. of Civil and Environmental EngineeringChung-Ang UniversitySeoulKorea
  2. 2.Pavement DivisionKorea Expressway Corporation Research InstituteHwaseongKorea
  3. 3.Dept. of Urban Infrastructure ResearchSeoul Institute of TechnologySeoulKorea

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