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Standardization of Injection System by Inorganic Materialfor Crack Repair of Tunnel Concrete Structures  

Bae, Kee-Sun ((주)리폼시스템)
Gwak, Su-Jung ((주) 한미기초)
Baek, Jong-Myeong (서울메트로 기술연구실)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.10, no.6, 2006 , pp. 191-197 More about this Journal
Abstract
This study is to establish a standardization of injection system by inorganic material for crack repair of tunnel concrete structures. For this various surveys and experiments were carried out as followed. The first we surveyed capability of injection and crack pattern of concrete structures in site. and second we analyzed the relationship between crack width and volume of injection, and decided pressure and volume of injection. Finally we evaluated the relationship between crack width and volume of injection with kind of concrete structures, and between required time for injection and crack width with thickness of structure. From these surveys and experiments, we cleared the relationship between crack patterns and injection technologies such as volume, pressure of injection and required time for injection with kind of structure.
Keywords
Concrete structure; Repair; Crack; Injection system; Standardization;
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