EFFECT OF SURFACE PENETRANTS(SILANE TYPE) ON IMPROVING THE DURABILITY OF CONCRETE STRUCTURE IN COLD REGIONS
Abstract
The surface penetrants (silane-type) are expected to help control the deterioration of concrete caused by combined action due to freeze-thaw and chloride. Although the method offers high economic efficiency and workability and cases of its implementation are increasing, no durability verification method and deterioration prediction method after construction have yet been established. A field test and exposure test were conducted on the wheel-guard concrete of a road bridge and seaside testing ground in Hokkaido to evaluate the persistence of the effect of these materials. Persistence of the scaling control effect was confirmed in the case of application to a replacement member. In addition, the effect on the reduction of the life cycle cost was evaluated based on the findings of the study.
- Publication:
-
Journal of Japan Society of Civil Engineers, Ser. E2 (Materials and Concrete Structures)
- Pub Date:
- 2011
- DOI:
- 10.2208/jscejmcs.67.69
- Bibcode:
- 2011JSCMC..67...69E
- Keywords:
-
- surface penetrants (silane type);
- scaling;
- chloride;
- field test;
- exposure test;
- life cycle cost