Shrinkage Properties of Cement Stabilized Gravel

Mia Schou Møller Lund, Kurt Kielsgaard Hansen

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Abstract

Cement stabilized gravel is an attractive material in road construction because its strength prop-erties are accommodating the increasingly higher requirements to the bearing capacity of a base course. However, reflection cracking of cement stabilized gravel is a major concern. In this pa-per the shrinkage properties of cement stabilized gravel have been documented under various temperature and relative humidity conditions. Two cement contents corresponding to a 28-days compressive strength of 6.2 MPa and 12.3 MPa have been tested and compared. It is found that the coefficient of linear expansion for the two cement contents is 9.9 × 10-6 ⁰C-1 and 11.3 × 10-6 ⁰C-1, respectively. Furthermore, it is found that reflecting cracking can mainly be explained by temperature dependent shrinkage rather than moisture dependent shrinkage.
Original languageEnglish
Title of host publication Proceedings of the XXII Nordic Concrete Research Symposium
Number of pages4
PublisherNordic Concrete Federation
Publication date2014
ISBN (Print)978-82-8208-043-9
Publication statusPublished - 2014
EventXXII Nordic Concrete Research Symposium - Harpa Concert Hall, Reykjavik, Iceland
Duration: 13 Aug 201415 Aug 2014
Conference number: 22

Conference

ConferenceXXII Nordic Concrete Research Symposium
Number22
LocationHarpa Concert Hall
CountryIceland
CityReykjavik
Period13/08/201415/08/2014

Keywords

  • Cement stabilized gravel
  • Reflection cracking
  • Temperature dependent shrinkage
  • Coefficient of linear expansion
  • Moisture dependent shrinkage

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