Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Evaluation of Physiochemical Properties of Artificial Lightweight Soil Aggregates for Vegetation Produced from Hwang-toh Foamed Concrete

황토 기포콘크리트를 이용한 식생용 인공토양골재의 이화학적 특성 평가

  • 황인혁 (경기대 일반대학원 건축공학과) ;
  • 이경호 (경기대 일반대학원 건축공학과) ;
  • 양근혁 (경기대 플랜트.건축공학과)
  • Received : 2016.05.20
  • Accepted : 2016.10.11
  • Published : 2016.10.30
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Abstract

This study examined the practical application of cement foamed concrete with natural hwang-toh to develop artificial soil aggregates for vegetation. The soil aggregates with the particle size between 1 and 10 mm were produced from the fragmentation of the foamed concrete. The physiochemical properties, including apparent density, pH value, particle distribution, coefficient of permeability, EC, CEC, C/N and total amount of organic matter, of the produced soil aggregates were tested and compared with the requirements for vegetation recommended in the landscape specification. The produced artificial soil aggregates achieved the apparent density, coefficient of permeability, and CEC value satisfying the requirements of the landscape specification, whereas pH, EC, C/N values, and total amount of organic matter of the soil aggregates did not satisfy the specification requirements. To utilize the foamed concrete as soil aggregates for vegetation, the additional approaches such as compulsory neutralization and the addition of organic fertilizers would be required for appropriate values of EC, CEC, and C/N.

Keywords

Acknowledgement

Supported by : 국토교통부

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