Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)

Korean Geotechnical Society (한국지반공학회)
권호 표지

Application of D-ROG technology for restoration of the subsided building

침하건물 복원을 위한 정밀 다점 주입공법의 적용

  • Lee, Ju-Hyung (Geotechnical Engineering Research Division, Korea Institute of Construction Technology) ;
  • Koh, Hyo-Seog (Jeeseung Construction Company) ;
  • Hong, Jin-Pyo (Assets Development Center, KT) ;
  • Park, Jae-Hyun (Geotechnical Engineering Research Division, Korea Institute of Construction Technology) ;
  • Cho, Sam-Deok (Geotechnical Engineering Research Division, Korea Institute of Construction Technology)
  • 이주형 (한국건설기술연구원 지반연구실) ;
  • 고효석 ((주)지승구조건설) ;
  • 홍진표 (KT 자산개발센터) ;
  • 박재현 (한국건설기술연구원 지반연구실) ;
  • 조삼덕 (한국건설기술연구원 지반연구실)
  • Published : 2009.03.27
Download PDF
⟨ Previous Next ⟩

Abstract

This paper presents a case study that achieved both of serviceability and safety of the building through soil reinforcement and restoration around foundations subjected to serious differential settlement using D-ROG method. The building which has one basement floor and three ground floors is founded on soft ground and differential settlement occurred to the maximum extent of 678mm. The foundation type of the building is a independent mat foundation. Soil profiles consist of landfill layer, alluvial layer, weathered rock, and soft rock. The bearing layer consisting of gravel and weathered rock is located 16.0~17.0m below the bottom of the building. As a result of soil reinforcement and restoration, the recovery ratio of more than 90% can be attained with the maximum set-up of 657mm.

Keywords