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자기치유 물질을 이용한 그라우팅공법의 현장적용성 평가

Evaluation of field applicability for grouting method using self-healing grout material

  • 최용성 (SSC산업(주)) ;
  • 김병일 (명지대학교 토목환경공학과) ;
  • 유완규 (한국건설기술연구원 인프라안전연구본부 차세대 인프라연구센터) ;
  • 이재덕 (SSC산업(주)) ;
  • 최용기 (대원토질 주식회사)
  • 투고 : 2018.10.17
  • 심사 : 2020.09.02
  • 발행 : 2020.09.30

초록

소규모 설비, 시공 용이성 등 다양한 장점으로 인하여 국내의 건설현장에서 광범위하게 사용되고 있는 그라우팅 관련 기술은 과거에 비해서 비약적으로 발전되었지만 품질의 균질성, 장기 내구성 및 환경공해 등의 문제점에 대한 개선 노력은 현재까지도 지속되고 있다. 최근 국내에서는 물유리계 그라우팅 재료가 갖는 낮은 강도와 내구성, 용탈현상 발생 등의 문제점을 개선하기 위하여 자기치유 물질을 이용한 그라우팅공법이 개발되었다. 자기치유 물질을 이용한 그라우팅공법은 주입재가 지반 내 물과 반응하여 생성한 결정 성장형 자기치유 물질에 의해서 주입재와 지반이 일체화되기 때문에 지반의 내구성 및 차수성 향상, 용탈방지 및 친환경성 등을 기대할 수 있는 것으로 알려져 있다. 본 연구에서는 △△터널 및 주변지반을 대상으로 자기치유 물질을 이용한 그라우팅공법의 예비시험 및 현장적용(표준관입시험, 현장투수시험, 공내 전단시험, 공내재하시험, 지시약반응시험 등)을 실시하였고 시공 전·후에 대한 실규모 시공조건에서의 주입범위, 차수 및 지반개량 효과 등을 비교, 분석하였다. 예비시험 및 현장적용 결과를 바탕으로 자기치유 물질을 이용한 그라우팅공법의 현장적용성 및 개량효과는 양호한 것으로 파악되었다.

참고문헌

  1. Ahn, T.H., Kishi, T. (2010), "Crack self-healing behavior of cementitious composites incorporating various mineral admixture", Journal of Advanced Concrete Technology, Vol. 8, No. 2, pp. 171-186. https://doi.org/10.3151/jact.8.171
  2. Bang, K.M., Chun, H.P., Chon, H.T. (2006), "Environmental assessment of heavy metal leaching potentials from grouting", Journal of the Korean Society of Mineral and Energy Resources Engineers, Vol. 43, No. 2, pp. 151-159.
  3. Bidasaria, M. (2004), "Grouting technology for rehabilitation of tillar earthen dam", Proceedings of the 5th International Conference on Case Histories in Geotechnical Engineering, 31, New York, pp. 1-7.
  4. Blaiszik, B.J., Kramer, S.L.B., Olugebefola, S.C., Moore, J.S., Sottos, N.R., White, S.R. (2010), "Selfhealing polymers and composites", Annual Review of Materials Research, Vol. 40, pp. 179-211. https://doi.org/10.1146/annurev-matsci-070909-104532
  5. Cambefort, H. (1967), Injection des sols, Eyrolles, Paris.
  6. Choi, Y.S., Kim, B.I., Moon, I.J., Heo, J. (2016), "Evaluation on uniaxial compression strength of SSG method with curing condition", Journal of the Korea Academia-Industrial Cooperation Society, Vol. 17, No. 2, pp. 15-20. https://doi.org/10.5762/KAIS.2016.17.2.15
  7. Chun, B.S., Kim, J.C. (1998a), "The evaluation of toxic effect of grouting materials by fish poison test", Journal of the Korean Society of Civil Engineers, Vol. 18, No. 3-4, pp. 531-538.
  8. Chun, B.S., Kim, J.C. (1998b), "A study on the utilization of coal fired fly-ash as microfine grouting materials", Journal of the Korean Geotechnical Society, Vol. 14, No. 6, pp. 113-125.
  9. Clarke, W.J. (1984), Performance characteristics of microfine cement, Preprint 84-023, ASCE Geotechnical Conference, Atlanta, pp. 1-14.
  10. Ghosh, S.K. (2008), Self-healing materials: fundamentals, design strategies, and applications, Wiley, New Jersey, pp. 306.
  11. Glossop, R. (1960), The invention and development of injection processes part I: 1802-1850, Geotechnique, Vol. 10, No. 3, pp. 91-100. https://doi.org/10.1680/geot.1960.10.3.91
  12. Houlsby, A.C. (1976), "Routine Interpretation of the Lugeon water-test", Quarterly Journal of Engineering Geology and Hydrogeology, Vol. 9, No. 4, pp. 303-313. https://doi.org/10.1144/GSL.QJEG.1976.009.04.03
  13. IARC (International Agency for Research on Cancer) (1990), IARC monograph on the evaluation of carcinogenic risks to humans, Vol. 49 Chromium, Nickel and Welding, pp. 49-214.
  14. Jung, M.H., Kim, Y.S., Jung, C.H., Lee, S. (2010), "Application of earth natural grouting using micro cement and inorganic material", Journal of The Korea Institute for Structural Maintenance and Inspection, Vol. 14, No. 1, pp. 109-116. https://doi.org/10.11112/jksmi.2010.14.1.109
  15. Karol, R.H. (1982), "Chemical grouts and their properties", Proceedings of the Conference on Grouting in Geotechnical Engineering (ASCE), New Orleans, pp. 359-377.
  16. Karol, R.H. (1985), "Grout penetrability", Proceedings of the Issues in Dam Grouting (A Session of ASCE Convention), Denver, pp. 27-33.
  17. Karol, R.H. (2003), Chemical grouting and soil stabilization, Revised and expanded (3rd ed.), CRC Press, New York, pp. 584.
  18. Kim, B.I., Cho, S.M., Kim, J.H., Kim, S.R. (2015a), Soft ground improvement methods, CIR, Seoul, pp. 363-366.
  19. Kim, D.H., Park, K.H., Kim, M.S., Kim, S.H. (2015b), "A study on the effectiveness of injection in environmentally-friendly bio-grouting with soil conditions", Journal of the Korea Academia-Industrial Cooperation Society, Vol. 16, No. 6, pp. 4276-4283. https://doi.org/10.5762/KAIS.2015.16.6.4276
  20. Kim, H.M., Jang, K.J. (2011), "Evaluation of field application for the mix properties of the thixotropic grout", Journal of the Korea Academia-Industrial Cooperation Society, Vol. 12, No. 9, pp. 4223-4238. https://doi.org/10.5762/KAIS.2011.12.9.4223
  21. Kim, H.M., Jang, K.J., Hur, W., Hur, H.S. (2010), "A study of practical for eco-grouting materials", Proceedings of the KGS Fall National Conference, Gyeonggi, pp. 1253-1257.
  22. Kim, J.C., Chun, B.S. (1997), Development and practice of the inorganic ultra fine cement and silica sol in Korea : Final report, R&D/95-0084, The Ministry of Construction & Traffic, Gyonggi, pp. 390.
  23. Kishi, T., Ahn, T.H., Hosoda, A., Suzuki, S., Takaoka, H. (2007), "Self-healing behaviour by cementitious recrystallization of cracked concrete incorporating expansive agent", Proceedings of the First International Conference on Self -Healing Materials, Noordwijk aan Zee, pp. 1-10.
  24. Kogure, K. (2000), Soil contamination and remediation system, Gohodoshuppan, Tyoko, pp. 248.
  25. Lee, J.H., Kim, Y.R., Kim, G.Y., Yoon, S.J., Mun, K.J. (2016), "Properties of liquid chemical grouting material for soil grouting using non-cement binder", Journal of the Korea Institute of Building Construction, Vol. 16, No. 1, pp. 45-52. https://doi.org/10.5345/JKIBC.2016.16.1.045
  26. Legendre, Y., Hery, Ph., Vattement, H. (1987), "Microsol grouting, a method for grouting fine alluvium", Proceedings of the 6th International Offshore Mechanics and Arctic Engineering Symposium, Houston, ASME, Vol. I, pp. 433-440.
  27. Lim, C.H. (2016), "Evaluation of field applicability for biogrout to Odu lake in Naju and Saja (lion) lake in Youngam", Journal of Advanced Engineering and Technology, Vol. 9, No. 3, pp. 227-233.
  28. Moon, I.J., Kim, B.I., Heo, J., Choi, Y.S., Choi, Y.K. (2016), "Engineering properties of self-healing smart grouting method", Journal of the Korean Geotechnical Society, Vol. 32, No. 3, pp. 29-37. https://doi.org/10.7843/kgs.2016.32.3.29
  29. Park, W.C., Mun, K.J., Jung, J.J., Soh, Y.S. (2004), "Evaluation on the physical properties of ultra fine cement for grouting materials", Proceedings of the Korea Concrete Institute Conference, Vol. 16, No. 2, Suwon, pp. 303-306.
  30. Santhosh Kumar, T.G. (2010), A study on the engineering behaviour of grouted loose sandy soils, Ph.D. Dissertation, Cochin University of Science and Technology, Kochi, pp. 206-207.
  31. Shimoda, M., Ohmori, H. (1982), "Ultra fine grouting material", Proceedings of the Conference on Grouting in Geotechnical Engineering (CGGE), Vol. I., New Orleans, pp. 77-91.
  32. Skipp, B.O., Renner, L. (1963), "The improvement of the mechanical properties of sands", Proceedings of the Symposium on Grouts and Drilling Muds in Engineering Practice, Butterworths, pp. 29-35.
  33. Terzaghi, K., Peck, R.B. (1967), Soil mechanics in engineering practice, John Wiley, NewYork, pp. 729.
  34. Warner, J. (2004), Practical handbook of grouting: soil, rock, and structures (1st ed.), John Wiley & Sons, Inc., Hoboken, pp. 720.