Mixed Design of Grouting Materials for Settlement Restoration Using Micro Cement

마이크로시멘트를 이용한 침하복원용 그라우팅재료의 배합 설계

  • 이일화 (한국철도기술연구원, 철도구조연구실) ;
  • 이성진 (한국철도기술연구원, 철도구조연구실) ;
  • 윤원민 (한국철도기술연구원, 철도구조연구실) ;
  • 박성기 ((주)지승구조건설연구소)
  • Published : 2011.05.26

Abstract

If the concrete track is settled excessively, it must be restored or reinforced immediately. Especially, reinforcement/restoration method should be applied without affecting on train operation. To deal with this problem, special equipment, process and material should be prepared. This paper suggest a special mixing ratio to restore the settled concrete track. Materials are classified the quick hardening mortar and the middle hardening mortar. The quick hardening mortar is used to restore the settled track and the middle hardening mortar is used to fill the void. These materials must have the appropriate gel time(1-40sec) and compressive strength($5kg/cm^2$). Various compounds is used and the micro cement is used as a main base.

Keywords