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2022 Vol.32, Issue 4 Preview Page

Research Article

A Study on the Development of Water Permeability Gap Block by Reinforced Fiber Content

보강섬유 함유량에 따른 투수성 틈새블록 개발에 관한 연구

Joonho Jo1
,
Jung Shin1*
조 준호1
,
신 정1*
1Graduated Student, Department of Civil Engineering, Chosun University
1조선대학교 토목공학과 박사과정
*Corresponding Author
31 December 2022. pp. 661-670
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Abstract

In recent years, extreme rainfall and rainy seasons caused by climate change have caused river flooding and flooding damage, and it is urgent to solve economic and environmental problems in the city center due to the increase in the number of peak homes. The gap block, called the fitting block, is designed to facilitate rainwater pitching by forming a gap between the block and the block by forming a concave part and a protrusion of the block differently without the use of an existing spacer. In this study, for the production of such a gap block, the existing cement content was reduced and aramid fibers and exploration fibers, which are industrial by-products such as Goroslag fine powder and reinforcing fibers, were applied.

Keywords
blast furnace slag
crevice block
eco-friendly
uniaxial compression test
reinforcing fiber

기후변화로 인한 극한 강우 및 지구 온난화로 인해 도심지 홍수 및 열성현상 저감을 위한 대책이 필요한 실정이다. 이에 본 연구에서는 보강섬유(아라미드, 탄소섬유)를 이용한 친환경 투수블록을 개발하고자 하였고, 기존의 투수블록과 비교하여 환경문제 및 구조적인 안정성을 확보할 수 있도록 최적의 시멘트 사용량일 줄이고 산업부산물인 고로슬래브 미분말을 사용한 배합비를 개발하고자 하였다. 실험결과, 일축압축시험을 실시한 결과 재령 28일을 기준으로 섬유를 보강하지 않은 경우는 26.1 MPa, 탄소섬유의 경우는 29.4 MPa, 아라미드섬유의 경우는 31.82 MPa인 것을 확인할 수 있었다. 인터로킹 오차시험의 경우 각 구역에서 1.5 cm, 1.6 cm, 2 cm로 적절한 틈이 있는 모습을 확인할 수 있었다. 투수시험의 결과는 섬유가 보강되지 않은 경우 k = 1.12 × 10-2 cm/sec, 아라미드섬유는 k = 1.13 × 10-2 cm/sec, 탄소섬유는 k = 1.11 × 10-2 cm/sec으로 비슷한 것을 확인할 수 있었으며 기준인, 1.0 × 10-2 cm/sec 보다는 크게 측정된 것을 확인할 수 있었다.

키워드
투수성 틈새블럭
일축압축강도
휨강도 시험
인터로킹 오차
투수시험
보강섬유
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Information
  • Publisher :Korean Society of Engineering Geology
  • Publisher(Ko) :대한지질공학회
  • Journal Title :The Journal of Engineering Geology
  • Journal Title(Ko) :지질공학
  • Volume : 32
  • No :4
  • Pages :661-670
  • Received Date : 2022-10-24
  • Revised Date : 2022-12-16
  • Accepted Date : 2022-12-19
  • DOI :https://doi.org/10.9720/kseg.2022.4.661
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