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Discussion on Management System of Water Quality Protection in the Three Gorges Reservoir Area and Its

He Jishan,Guo Feng,Wang Mengjun,Chen Huihua

Strategic Study of CAE 2006, Volume 8, Issue 8,   Pages 1-6

Abstract: Management system is a key factor on water quality protection and water pollution prevention in the drainagearea.This paper elaborates the basic characteristic and connotation of drainage area management, analyzesof water quality protection management system based on the conception of harmonious development of drainagearea.

Keywords： drainage area     water quality protection     harmonious development     management system    

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Study on Coal Seam Roof Gas Drainage from the Strike of Annular Fracture Areas by the Long Drill Method

Liu Zegong,Yuan Liang,Dai Guanglong,Shi Biming,Lu Ping,Tu Min

Strategic Study of CAE 2004, Volume 6, Issue 5,   Pages 32-38

Abstract: If gob gas suction is adopted in a large area,the project will prove not only extremely difficult,but

Keywords： coal seam     similar material experiment     numerical simulation     gas drainage     annular fracture area    

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Combined reticular blind drainage and vertical hierarchical drainage system for landfills located in

Wenjing LU,Zhonge FU,Yan ZHAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 177-184 doi: 10.1007/s11783-014-0710-9

Abstract: A novel water control technology that combines the features of a reticular blind drainage system anda vertical hierarchical drainage system is developed and applied in the Yanziyan Sanitary Landfill, whichis located at an area (Loudi City, Hunan Province, China) with high rainfall and high groundwater leveland in the instant drainage of rainfall water.and reticular blind drainage systems.

Keywords： landfill     reticular blind drain     vertical hierarchical drain     guidance and drainage     impermeable layer    

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Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 191-204 doi: 10.1007/s11709-022-0906-1

Abstract: in complex urban environments is considered to influence the safety and stability of the overlying drainageand the LS-DYNA software was used to analyze the dynamic response characteristics of an underground drainageThe vibration response evolution law of the buried drainage box culvert under blasting vibration wasinvestigated, and a safe surface control standard for the blast vibration of a drainage box culvert isThe peak particle velocity (PPV) and peak tensile stress (PTS) of the drainage box culvert decreased

Keywords： drainage box culvert     underpass blasting     dynamic response     numerical simulation     safety assessment    

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Design and evaluation of control strategies in urban drainage systems in Kunming city

Xin Dong, Senchen Huang, Siyu Zeng

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0968-9

Abstract: Real time control (RTC) of urban drainage systems (UDSs) is an important measure to reduce combined sewer

Keywords： Urban drainage system     Real time control     Static strategy     Constant strategy     Equal filling strategy    

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Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1430-6

Abstract:

• UV-vis absorption analyzer was applied in drainage type online recognition

Keywords： Drainage online recognition     UV-vis spectra     Derivative spectrum     Convolutional neural network    

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Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 746-755 doi: 10.1007/s11783-013-0551-y

Abstract: discusses the use of substance flow analysis (SFA) as a tool to support quantified research on urban drainageIt is estimated that the annual flux of water, COD, TN and TP through the urban drainage system in 2010Compared with the representative hypothetical city of 2000, urban population and the area of urban builtduring the decade, resulting in a more than threefold increase in the input of substances into the urban drainageThanks to the development of urban drainage systems, the total loads of the city were maintained at a

Keywords： substance flow analysis (SFA)     urban drainage system     representative hypothetical city (RH city)     water    

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radionuclide hepatobiliary scintigraphy in combination with determination of bilirubin from duodenal drainage

Sheng-Xuan LIU, Zhi-Hua HUANG

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 342-345 doi: 10.1007/s11684-010-0099-1

Abstract: ( Tc-EHIDA) hepatobiliary scintigraphy in combination with determination of bilirubin from duodenal drainage

Keywords： jaundice     radionuclide hepatobiliary scintigraphy     duodenal drainage    

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Life cycle cost savings analysis on traditional drainage systems from low impact development strategies

Pengfei ZHANG, Samuel T. ARIARATNAM

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 88-97 doi: 10.1007/s42524-020-0063-y

Abstract: asphalt, concrete, or roofed structures and have increased surface impermeability and decreased natural drainageConventional drainage systems were built to mimic natural drainage patterns to prevent the occurrenceThese drainage systems consist of two major components: 1) a stormwater conduit system, and 2) a runoffThe construction of these drainage systems is costly and may cause significant environmental disturbancethrough the accepted bidding proposals and interviews of specialty contractors in the metropolitan area

Keywords： low impact development     traditional drainage system     hydraulic benefits     life-cycle cost    

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Pollutant reduction effectiveness of low-impact development drainage system in a campus

Shuhan Zhang, Yingying Meng, Jiao Pan, Jiangang Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0969-8

Abstract: Building a rainwater system based on the idea of low-impact development (LID) is an important aspect of the current “sponge city” construction in China. The “sponge city” concept emphasizes that the runoff can permeate the soil or be stored temporarily, and rainwater could be used again when it is needed. Beijing is one of the earliest cities to study rainwater harvesting and LID techniques in China. Through long-term monitoring of rainfall, runoff flow, and water quality of a campus demonstration project in Beijing, the runoff quantity and pollutant concentration variations have been analyzed. Furthermore, the runoff reduction effects of single LID measure, such as green roof, filtration chamber, and permeable pavement, have been investigated. Additionally, the overall reduction effectiveness of the LID system on the average annual rainfall runoff and pollution load has been discussed. Preliminary studies suggest that runoff pollutant concentration is positively correlated with the rainfall interval time, and the longer rainfall interval time leads to higher runoff pollutant concentrations. The very good outflow quality of the rainwater harvesting system could satisfy the reclaimed water quality standard for scenic entertainment use. The non-point-source pollution reduction effects of the LID system are obvious because the pollutants could be removed by filtration on the one hand and the pollution load could be reduced because of the significantly reduced outflow on the other hand.

Keywords： Low-impact development     Rainwater harvesting     Non-point-source pollution reduction     Campus    

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Modern Concept of City Drainage System

Zhang Jie

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 33-35

Abstract: well as the advanced and super advanced treatment and the reuse of waste water have been practicable, drainageelaborates on the author´s new ideas and concepts about the function, programming and design of drainage

Keywords： function of drainage system     water cycle     water environment    

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Study on the waterproof and drainage principle and technology for karst tunnels in Yichang-Wanzhou railway

Wang Xiuying,Tan Zhongsheng,Wang Mengshu,Zhang Minqing

Strategic Study of CAE 2010, Volume 12, Issue 8,   Pages 107-112

Abstract:

The establishment of tunnel waterproof and drainage principle is theBased on the water rich classification of filling cavities, the waterproof and drainage principle isA universe schedule and a series of protective schedules are put forward in order to control water drainageThe structure waterproof and drainage principle is blockage and drainage associating based on actual

Keywords： karst tunnel     waterproof and drainage     principle     grouting technology    

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Sustainability of urban drainage management: a perspective on infrastructure resilience and thresholds

Xiong NING, Yi LIU, Jining CHEN, Xin DONG, Wangfeng LI, Bin LIANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 658-668 doi: 10.1007/s11783-013-0546-8

Abstract: Urban wastewater infrastructures have been threatened by natural and socioeconomic disturbances. This study investigates infrastructure resilience against the risks of long-term changes rather than natural disasters. Urban expansion that leads to an increased urban runoff and massive population movements that cause fluctuations in domestic emissions are considered in this study. Pollution permits for water bodies are adopted as constraints on wastewater infrastructures. A land use-based accounting method, combined with a grid-based database, is developed to map domestic discharge and urban runoff to service areas of wastewater treatment plants. The results of a case study on downtown Sanya, the most famous seashore tourist attraction in China, show that the average resilient values of three sub-catchment areas in 2010 were -0.57, 0.10 and 0.27, respectively, a significant spatial variation. The infrastructure in the Sanya River sub-region is the least flexible, and is more likely to fail due to unstable inflows. The resiliencies will increase to 0.59, 1.01 and 0.54, respectively, in 2020, a considerable improvement in robustness. The study suggests that infrastructure resilience needs to be taken into further consideration for urban planning and the related realm of urban governance to foster more robust wastewater management under various risks.

Keywords： wastewater infrastructure     land use     environmental carrying capacity     fluctuating population     urban runoff    

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Image analysis of soil failure on defective underground pipe due to cyclic water supply and drainage

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 85-100 doi: 10.1007/s11709-012-0159-5

Abstract: with the reduction of the effective stress and the loss of suction in the base course and then, soil drainageAuthors focused this problem and hence performed model tests with water-inflow and drainage cycle inAs results, it was observed that the loosening area was generated from the defected part with water-inflowwith high relative density more than 80% would be avoided in a few cycles of water inflow and soil drainage

Keywords： relative density     grain property     model test     road subsidence     underground pipe     image processing     X-ray CT    

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An integrated assessment method of urban drainage system: A case study in Shenzhen City, China

DONG Xin, ZENG Siyu, CHEN Jining, ZHAO Dongquan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 150-156 doi: 10.1007/s11783-008-0014-z

Abstract: In recent years, the urban drainage system in China is facing the dual pressure of renovation and constructionThis requires that the integrated assessment for the planning and operation of the urban drainage systemTo evaluate the urban drainage system, an integrated assessment methodology based on the analytic hierarchyThis method is a multi-criteria decision adding app roach to the assessment of the urban drainage systemtreatment plant model, and a surface water quality model, an integrated modelling system for the urban drainage

Keywords： integrated assessment     hierarchy process     centralized     technological feasibility     planning    

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Title Author Date Type Operation

Discussion on Management System of Water Quality Protection in the Three Gorges Reservoir Area and Its

He Jishan,Guo Feng,Wang Mengjun,Chen Huihua

Journal Article

Study on Coal Seam Roof Gas Drainage from the Strike of Annular Fracture Areas by the Long Drill Method

Liu Zegong,Yuan Liang,Dai Guanglong,Shi Biming,Lu Ping,Tu Min

Journal Article

Combined reticular blind drainage and vertical hierarchical drainage system for landfills located in

Wenjing LU,Zhonge FU,Yan ZHAO

Journal Article

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Journal Article

Design and evaluation of control strategies in urban drainage systems in Kunming city

Xin Dong, Senchen Huang, Siyu Zeng

Journal Article

Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Journal Article

Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Journal Article

radionuclide hepatobiliary scintigraphy in combination with determination of bilirubin from duodenal drainage

Sheng-Xuan LIU, Zhi-Hua HUANG

Journal Article

Life cycle cost savings analysis on traditional drainage systems from low impact development strategies

Pengfei ZHANG, Samuel T. ARIARATNAM

Journal Article

Pollutant reduction effectiveness of low-impact development drainage system in a campus

Shuhan Zhang, Yingying Meng, Jiao Pan, Jiangang Chen

Journal Article

Modern Concept of City Drainage System

Zhang Jie

Journal Article

Study on the waterproof and drainage principle and technology for karst tunnels in Yichang-Wanzhou railway

Wang Xiuying,Tan Zhongsheng,Wang Mengshu,Zhang Minqing

Journal Article

Sustainability of urban drainage management: a perspective on infrastructure resilience and thresholds

Xiong NING, Yi LIU, Jining CHEN, Xin DONG, Wangfeng LI, Bin LIANG

Journal Article

Image analysis of soil failure on defective underground pipe due to cyclic water supply and drainage

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Journal Article

An integrated assessment method of urban drainage system: A case study in Shenzhen City, China

DONG Xin, ZENG Siyu, CHEN Jining, ZHAO Dongquan

Journal Article