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Improved hydrophobic property of pavement and bridge concrete with silane coating

  • School of Civil Engineering, Harbin Institute of Technology
  • Sichuan College of Architectural Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Hydrophobic property of concrete with different mixture was studied before and after coating two types of silane products. Adsorption mass of water and NaCl solution of concrete surface were adopted to determine the hydrophobic property. The results show that the water adsorption ability of concrete without silane coating decreases with the higher strength and more air content of concrete. The NaCl solution adsorbed by concrete during 6 hours is 20 to 30% higher than the water. The coating of either cream or liquid phase of silane markedly improves the hydrophobic property of concrete surface and reduces the water adsorption mass of concrete during 6 hours by 90%. For concrete with a lower strength and less air content, the coating of silane shows a better improved hydrophobic property of concrete. The coating of either cream or liquid phase of silane reduces the NaCl solution adsorption a little more than the water adsorption for every concrete.

Original languageEnglish
Title of host publication2010 International Conference on Mechanic Automation and Control Engineering, MACE2010
Pages5021-5024
Number of pages4
DOIs
StatePublished - 2010
Externally publishedYes
Event2010 International Conference on Mechanic Automation and Control Engineering, MACE2010 - Wuhan, China
Duration: 26 Jun 201028 Jun 2010

Publication series

Name2010 International Conference on Mechanic Automation and Control Engineering, MACE2010

Conference

Conference2010 International Conference on Mechanic Automation and Control Engineering, MACE2010
Country/TerritoryChina
CityWuhan
Period26/06/1028/06/10

Keywords

  • Concrete
  • NaCl solution
  • Silane
  • Surface treatment
  • Water adsorption

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