2012 Fiscal Year Final Research Report

Development of concrete in cold region by using organic short fiber and ground granulated blast furnace slag

Research Project

Project/Area Number	23760400
Research Category	Grant-in-Aid for Young Scientists (B)
Allocation Type	Multi-year Fund
Research Field	Civil engineering materials/Construction/Construction management
Research Institution	Kitami Institute of Technology
Principal Investigator	INOUE Masumi 北見工業大学, 工学部, 准教授 (00388141)
Project Period (FY)	2011 – 2012
Keywords	コンクリート
Research Abstract	The purpose of this study is to clarified the influence of organic short fiber and ground granulated blast furnace slag on frost damage resistance. Fleezing and thawing tests of concrete by using organic short fiber and ground granulated blast furnace slag were examined. In the case of fresh water, the influences of fiber content and ground granulated blast furnace slag on frost damage resistance of concrete appear relatively small. Within the range of replacement ratio used in this study, the frost damage resistance was remarkably high. On the other hand, the durability factor of concrete increases with the replacement of ground granulated blast furnace slag in the case of sea water, and the scaling of concrete decreases by using organic fiber in combination with ground granulated blast furnace slag. However, the scaling increases remarkably in the case of large replacement ratio of fiber.