Unconfined Compressive Strength of Soil Cement Mixed with NSC

NSC를 첨가한 소일시멘트의 일축압축강도

  • 김병일 (명지대학교 토목환경공학과) ;
  • 김영욱 (명지대학교 토목환경공학과) ;
  • 이승현 (선문대학교 토목공학과)
  • Published : 2002.08.01

Abstract

Soil cement which is a mixture of soil, cement, and water has a broad range of applications since it is economical, ecological, and easy to use, repair, and reinforce. Its applications include pavements, stabilization of slopes, retaining walls, and improvements of soft ground to name a few. Other types of chemicals are often added to increase its strength. This study investigated unconfined compressive strength of cured soil cement mixed with New Soil Chemical(NSC). The investigation involved laboratory experiments under various conditions including soil type, cement content, and ratios of water to NSC. Results of the study show that NSC enhanced the unconfined compressive strength significantly, and the degree of enhancement was varied with test conditions.

일반 흙에 시멘트, 물 등을 배합하는 소일시멘트는 보수, 보강이 쉬우며, 경제적이고, 자연 친화적이기 때문에 도로포장, 사면보호, 흙막이 벽체, 연약지반 개량 등 여러 분야에 활용되고 있으며, 최근에는 소일시멘트의 강도를 증가시키기 위해 특수 혼화재료를 섞어서 사용하는 경우가 많아졌다. 이 연구에서는 혼화재료인 NSC(New Soil Chemical)를 섞은 소일시멘트의 일축압축강도를 측정하는 실험을 수행하였으며, 흙 종류, 시멘트 함량, NSC 혼합비에 따른 일축압축강도의 변화 양상을 파악하고자 하였다. 연구결과 NSC 용액은 흙종류에 따라 차이는 있으나 일축압축강도를 상당히 증진시키는 효과가 있는 것으로 나타났다.

Keywords

References

  1. ACI Manual of Concrete Practice State-of-the-Art Report on Soil Cement, Materials and General Properties of Concrete ACI
  2. Highway Research Board Soil Stabilization with Portland Cement Highway Research Board
  3. Soil Stabilization for Pavements Joint Departments of the Army and Air Force
  4. Symposium on Soil Stabilization Some Properties of Soil Treated with Portland Cement Marchall, T. J.
  5. Soil-Cement Construction Handbook Portland Cement Association
  6. Construction Soil-Cement Slope Protechtion for Embankments Portland Cement Association
  7. Transportation Research Record No.560 Study of Soil Cement with Chemical Additives Wang, M. C.;Moultrop, K.;Nacci, V. A.;Huston, M. T.