An analysis of storage and runoff reduction characteristics using planter box in architectural LID system

Byung Sung Kim; Jae Moon Kim; Jong Seok Baek; Hyun Suk Shin

doi:10.3741/JKWRA.2019.52.3.219

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2019 Vol.52, Issue 3 Preview Page Next Page

Research Article

An analysis of storage and runoff reduction characteristics using planter box in architectural LID system 건축형 LID 시스템에서 Planter Box를 활용한 저류 및 유출저감 특성 분석

31 March 2019. pp. 219-226

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Abstract

Recently, research about Low-Impact Development (LID) techniques has been expanded due to problems with the effects of climate change and urbanization that have been increasing. LID technology is used to control flood damage environmentally to reduce runoff and is reduce runoff on city also restore into previous water circulation system from present developed city. However, studies about quantitative data of LID techniques are insufficient. Therefore in this study, the Curve Number (CN) was calculated with the Planter Box, which is storage type LID technology to conduct the water circulation (infiltration, runoff, overflow) analysis. Rainfall intensity scenario (60.4 mm/hr, 83.1 mm/hr, 97.4 mm/hr, 108.2 mm/hr) about water circulation analysis of Planter Box is selected on the basis of probable rainfall intensity table. According to the experimental results, the storage rate of rainwater in Building Planter Box and Street Planter Box was 43.5% to 52.9% and 33.4% to 39%, respectively. In addition, CN value is estimated to 83 at the Planter box and the runoff reduction effect by applying Horton's infiltration capacity curve showed on 51% to 98%.

Keywords

Low-Impact development (LID)

Planter box

Hydrological balance

Runoff reduction

Rain storage

Curve number (CN)

최근 기후변화와 도시화로 인한 수재해 문제가 증가하고 있으며, 이에 대응방안인 저영향개발(Low-Impact Development, LID) 기법에 관한 연구가 확대되고 있다. LID 기법은 도시 내의 우수유출수를 저감시켜 다양한 수재해 문제를 친환경적으로 제어하고, 도시 개발 이전의 물순환 체계로 회복시키는 기술이다. 하지만 LID 기법에 관한 정량적 데이터가 부족한 실정이다. 따라서 본 연구에서는 저류형 LID 기술인 식생화분(Planter Box)의 Curve Number (CN)값을 산정하여, 물순환(침투, 유출, 월류수) 분석을 실시하였다. Planter Box의 물순환 분석에 관한 강우강도 시나리오(60.4 mm/hr, 83.1 mm/hr, 97.4 mm/hr, 108.2 mm/hr)는 부산시 확률강우강도표(2010)를 이용하여 선정하였다. 실험 결과는 건물화분3 (BPB-3)과 거리화분3(SPB-3)에서 우수저류율이 각각 43.5%∼52.9%, 33.4%∼39.0%로 나타났다. 또한 BPB-3에서 CN값은 평균 83이 산출되었고, Horton 침투능 곡선식 적용에 따른 우수유출효과는 17%∼96%로 나타났다.

키워드

저영향개발(LID)

식생화분

물수지

유출저감

빗물저류

유출곡선지수

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Information

Publisher :KOREA WATER RESOURECES ASSOCIATION
Publisher(Ko) :한국수자원학회
Journal Title :Journal of Korea Water Resources Association
Journal Title(Ko) :한국수자원학회 논문집
Volume : 52
No :3
Pages :219-226
Received Date : 2018-09-05
Revised Date : 2018-12-07
Accepted Date : 2019-02-08
DOI :https://doi.org/10.3741/JKWRA.2019.52.3.219

Journal of Korea Water Resources Association 한국수자원학회 논문집 ISSN:2799-8746(Print) 2799-8754(Online)

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