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A Case Study: Evaluation of Water Storage Capacity in Permeable Block Pavement
박대근,Noe Sandoval,Wuguang Lin,김혜란,조윤호 대한토목학회 2014 KSCE JOURNAL OF CIVIL ENGINEERING Vol.18 No.2
In every city, low-volume roads and parking lots are composed of dense-graded pavements that increase storm-water runoff;however, urban flooding problems can be prevented if an appropriate pavement system is achieved. One preferable solution to thisproblem for low volume roads and parking lots is to use permeable interlocking block pavement. To determine the storage capacityof this kind of pavement, a series of material property tests were performed such as specific gravity, void ratios, and porosity etc.,which was further used to calculate the water storage capacity of the pavement. And rainfall simulation tests were performed toevaluate surface runoff, delay time, storage capacity, and outflows over two hours. A regression analysis showed that the waterstorage capacity measurement from rain simulation tests agreed with the storage capacity calculation depending on laboratorymaterials-properties tests, based on their high correlation and coefficient values, each within the 95% confidence interval.
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보도 공간을 활용한 저영향개발 기법 테스트베드의 특성 및 유출저감 효율 분석 : 투수블록, 수직침투관, 빗물저류조를 대상으로
이대희 ( Daehee Lee ) 한국수처리학회 2017 한국수처리학회지 Vol.25 No.1
The purpose of this study is to analyze the characteristics of Low Impact Development(LID) techniques in LID test-bed and to analyze runoff reduction efficiency of that techniques. The K research institute with a test-bed for LID technique was selected as a study area and a stormwater management target was set to manage water quality and quantity of runoff. The Permeable Block, Vertical Infiltration Pipe(VIP) and Storage Tank were selected and their characteristics were analyzed. Eight scenarios were created from the selected LID facilities and SWMM-LID runoff simulation was carried out. The optimization method of the LID techniques is suggested by analyzing the stormwater runoff characteristics for each scenario. As a result of SWMM-LID runoff simulations, the peak flow was reduced by up to 64.4 % and the total runoff was reduced by up to 35.2 %. In addition, it is effective to apply the permeable block and VIP to the area where the ratio of sidewalk is large, and it is considered that the application of the storage tank is effective in reducing the runoff in the area where the ratio of sidewalk is small.
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저류형 투수블록 설치를 통한 안동국제탈춤광장 유출량 저감효과 모의
박성기,전지홍 한국물환경학회 2018 한국물환경학회지 Vol.34 No.3
Ihe purpose of this study is to evaluate the effects the storage type of permeable concrete block paving (ST-PCBP) have on runoff reduction and infiltration increasement at Andong Maskdance Festival Square. This was accomplished using the NRCS-curve number method over the last 10 years. Two different scenarios were developed in this study for low impact development (LID) design. For the 1st scenario, the walking path and parking lot were install using the ST-PCBP and runoff from the inline skating rink (3,808m2) and lawn (11,191m2) were routed to the ST-PCBP, but the rooftop runoff flowed into the storm water drainage system. For the 2nd scenario, one of the non-structural BMPs, disconnected impervious surface (DIS), was applied so additional runoff from rooftop would enter the ST-PCBP. It was determined that ST-PCBP could significantly reduce surface runoff from the study area and increase infiltration with 71% and 88% of surface runoff reduction and 151% and 215% of infiltration increasement for scenarios 1 and 2, respectively. The effect of LID in the 2nd scenario was better than the 1st scenario, therefore DIS in conjunction with ST-PCBP could be a more cost-effective LID application.
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드론영상 기반 침수 모니터링 및 조립식 빗물 침투 저류블록 구조를 활용한 상습 침수지역 대응 방재기술
최희용 ( Choi Hee-yong ),최형길 ( Choi Hyeong-gil ),류정림 ( Ryu Jung-rim ),김원창 ( Kim Won-chang ),이태규 ( Lee Tae-gyu ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.1
The purpose of this research and development is to develop a structure module that improves the efficiency and constructability of the layout structure as well as the design development of rainwater permeable storage tank blocks using inorganic binders and aggregates with the aim of reducing greenhouse gas (CO<sub>2</sub>) with eco-friendly materials. In addition, for the efficient response to flooding of the developed permeable storage structure, we present a technical solution for combining drone mapping technology and flood monitoring technology that can analyze topographical factors in detail.
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Daehee Lee,Jung-hun Lee,Reeho Kim 보안공학연구지원센터 2016 International Journal of Hybrid Information Techno Vol.9 No.8
LID facilities on the green area-sidewalk-road in cities can be applied in different types and forms according to the status and characteristics of a space. There are some limitations of using LID facilities with respect to area, these limitations can overcome by using the suitable combination of LID practices in an area. For this purpose, the Water Cycle Sidewalk (WCS) was used through the connections of various LID techniques. The WCS could manage stormwater runoff and water quality in a space adjacent to green area-sidewalk-road as a part of WCS, a permeable block pavement (PBP) was installed on the sidewalk, and a vertical infiltration pipe (VIP) and an infiltration-storage tank were located underneath the PBP. Runoff on the sidewalk was pre-treated by a first flash treatment facility and then stored in a storage tank for watering the green area. The average infiltration capacity of a PBP with a storage tank under the pavement was 0.30 mm/sec, about 6 times higher than that of a general PBP section. From the results, the infiltration capacity of a single VIP was approximately 0.35 mm/sec. The overall efficiency rate of runoff reduction from this facility was between 50% and 70%. In addition, the rainwater in the Storage Tank analyzed to be appropriate to use water for landscaping.
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