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한국도로학회논문집 = International journal of highway engineering v.20 no.2 = no.88, 2018년, pp.9 - 17   KCI
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

도로 및 비탈면 유실 항구적 긴급복구를 위한 골재망 콘크리트 활용기술 개발
Emergency and Permanent Repair Technology for Damaged Road Bases and Slopes using Gravel-Netting Concrete

김용재   (강원대학교 건설시스템공학과  ); 정해국   (강원대학교 토목공학과  ); 김승원   (강원대학교 건설시스템공학과  ); 박철우   (강원대학교 건설시스템공학과  );
  • 초록

    PURPOSES : The frequency and severity of natural disasters such as torrential rain or typhoons have become increasingly significant worldwide. Events such as summer typhoons and localized torrential downpour can cause severe damages to a residential area and road networks, resulting in serious harm to the daily lives of people, especially in rural areas by isolating residents from road networks. An immediate and emergency repair technology for the collapsed road networks is urgently needed. This study introduces a new technology to repair road bases or slopes. METHODS : The development of new technology for emergency and permanent repair consists of first, packing of cement paste-coated gravel, second, combining appropriate equipment, and third, conducting a field applicability test. In this research, the compressive strength of cement pastecoated gravel, gravel-netting concrete properties, and packing efficiency were determined, and a full scale field mock-up test was carried out. RESULTS : The compressive strength of the cement paste-coated gravel concrete satisfied the required limit for road base of 5 MPa after 7 days. With appropriate netting materials and packing size, gravel-netting concrete was successful up to a slope of 1:1.5. The full scale field mock-up test showed efficiency in the field and penetration resistance performance. CONCLUSIONS : The new technology of emergency and permanent repair for damaged road bases and slopes, introduced in this study, showed satisfactory performance. The technology is expected to be applied in the field when construction procedures and quality specifications are made.


  • 주제어

    natural disaster .   road base .   slope .   emergency repair .   permanent repair .   gravel-netting concrete.  

  • 참고문헌 (8)

    1. Lian, C., Zhuge, Y., Beechan, S. (2011). "The relationship between porosity and strength for porous concrete", Construction and Building Materials 25, pp.4294-4298 (in US). 
    2. Maguesvari, M., Narasimba, V. (2013). " Studies on Characterization of Pervious Concrete for Pavement Applications", Procedia-Social and Behavioral Sciences 104, pp.198-207 (in US). 
    3. Park, C. W., Kim, Y. J., Kim, S. W. (2017). "Rapid and Permanent Recovery Technique of Collapsed Slope with Free Formed Aggregate-Pocket Bag."Magazine of the Korea Concrete Institute, Vol.29, No.2, pp.18-21 (in Korean). 
    4. Rangeloy, M., Nassiri, S., Chen, Z., Russell, M., Uhlmeyer, J. (2017), "Quality evaluation tests for pervious Concrete pavements'placement", International Journal of Pavement Research and Technology, Vol.10, issue3. pp.245-253 (in US). 
    5. Chindaprasirt, P., Hatanaka, S., Chareerat, T., Mishima, N., Yuasa, Y. (2008). "Cement paste characteristics and porous concrete properties", Construction and Building Materials 22, pp.894-901 (in US). 
    6. Cho, H. M., Jeon, S. P., Yun, G. G., Park, C. W. (2015). "Fundamental Study of Mix Proportions of High-Flow Cement-Based Mortar for Gravel-Fill Used in Restoration of Collapsed Roads", Journal of Korean Society of Road Engineers, Vol.18, No. 2, pp.63-70 (in Korean). 
    7. Kim, S. W., Oh, J. H., Kim, I. T., Park, C. W. (2013). "Fundamental Study on Pervious Concrete Materials for Airport Pavement Cement Treated Base Course", Journal of Korean Society of Road Engineers, Vol.15, No. 4, pp.65-73 (in Korean). 
    8. Lian, C., Zhuge, Y. (2010). "Optimum mix design of enhanced permeable concrete-An experimental investigation", Construction and Building Materials 24, pp.2664-2671 (in US). 

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