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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 inIn those studies, water was supplied into the model grounds from the defected underground pipe modelAs results, it was observed that the loosening area was generated from the defected part with water-inflowinflow and soil drainage.

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

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Research advances on engineering structural seismic safety of nuclear power plant

Kong Xianjing,Lin Gao

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 62-74

Abstract: the function failure mechanism and seismic safety evaluation of the nuclear power plant engineering structuresanalyze the foundational seismic adaptability of nuclear power plant, and seismic safety evaluation on watersupply and drainage structures of nuclear power plant and seismic resistance and disaster preventionresearches on engineering structures related to nuclear safety.

Keywords： nuclear power plant     foundation adaptability     water supply and drainage structures     secure shell     seismic    

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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 drainagea static substance flow model is established to describe and examine the routes and intensities of waterIt is estimated that the annual flux of water, COD, TN and TP through the urban drainage system in 2010pollutant emissions, which contributed approximately 60% of COD, 65% of TN and 50% of TP to receiving waterThanks 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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Modern Concept of City Drainage System

Zhang Jie

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

Abstract: and the reuse of waste water have been practicable, drainage system should not only be the basic facilitiesfor draining rain and sewage and protecting city environment and water quality of pubic water basin,and good water environment and realizes sustainable utilzation of water resource.As a valuable drinking water resource, sewage has attracted more and more attention.elaborates 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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Internal incentives and operations strategies for the water-saving supply chain with cap-and-trade regulation

Zhisong CHEN, Li FANG, Huimin WANG

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 87-101 doi: 10.1007/s42524-019-0006-7

Abstract: (CAT) regulation to solve the contradiction between the limited water supply and the rapid growing waterSupply chain equilibrium and coordination models under the benchmark scenario without water saving andof the water-saving supply chain under the scenario without/with CAT regulation. (2) The coordinationstrategy based on the revenue sharing contract could efficiently coordinate the water-saving supplyin the water-saving supply chain and improves the operational performance of water-saving supply chain

Keywords： water-saving supply chain     equilibrium     coordination     internal incentive     cap and trade regulation    

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Seismic vulnerability assessment of water supply network in Tianjin, China

Yanxi CHEN,Zhiguang NIU,Jiaqi BAI,Yufei WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 767-775 doi: 10.1007/s11783-014-0632-6

Abstract: The water supply network (WSN) system is a critical element of civil infrastructure systems.a case study, a quantitative vulnerability assessment method was used to assess the damage that the watersupply pipelines would suffer in an earthquake, and the finite element software ABAQUS and fuzzy mathematic

Keywords： water supply network     seismic vulnerability assessment     finite element     fuzzy mathematics    

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Crack detection for wading-concrete structures using water irrigation and electric heating

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 368-377 doi: 10.1007/s11709-022-0926-x

Abstract: Cracking in wading-concrete structures has a worse impact on structural safety compared with conventionalconcrete structures.Based on this, a novel crack-identification method for underwater concrete structures is presented.This method uses water irrigation to generate seepage at the interface of a crack; then, the heat-dissipation

Keywords： structural health monitoring     underwater concrete structure     fiber Bragg grating     crack detection     temperature tracer method    

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The security monitoring and controlled drainage of Xiamen Subsea Tunnel

Du Chaowei,Wang Mengshu,Tan Zhongsheng

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 86-91

Abstract:

Controlled drainage should be applied to deal with underground waterIn order to study the change laws of subsea tunnel wall rock pressure, water pressure on primary supportIn the circumstance of controlled drainage, by strengthening some measures such as grouting, the waterBy monitoring and analyzing the water inflow on site, the water inflow controlling criteria are put forwardThe water inflow in soft rock section in Xiamen Subsea Tunnel should be less than 0.25 m3/

Keywords： Xiamen Subsea Tunnel     controlled drainage     construction monitoring     water pressure     water inflow    

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Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 777-786 doi: 10.1007/s11783-013-0537-9

Abstract: DSS) is designed to eliminate the impact of sudden contamination incidents occurring upstream in raw watersupply systems with multiple sources.The DSS consists of four functional modules, including water quality prediction, system safety assessmentFirst, the water quality variations on specific cross-sections are calculated given the pollution informationscenario analysis, it is demonstrated that this DSS tool is instrumental in emergency scheduling for the water

Keywords： decision support system     raw water supply system     contamination incident     emergency scheduling     hydraulic    

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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 andThe vertical hierarchical drainage system was installed to separate rainfall water and leachate in theand in the instant drainage of rainfall water.Over 90% of leachate derived from rainfall water and groundwater inflow was avoided upon installationof the vertical hierarchical drainage and reticular blind drainage systems.

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

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Some Issues on Water-saving and High-efficiency Farming of China

Sun Xuetao

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 24-30

Abstract: question depends on the possibility of relying on the existing 400 billion m3 of irrigation waterincrease grain output from the 500 million tons to 700 million tons in the future while meeting the waterIn order to achieve the strategic goal, water-saving and high-efficiency farming must be built withoutwhile slighting the timely completion of related supplementary works, on the irrigation while slighting drainage

Keywords： irrigation     drainage     salinization     farming     water-saving    

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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 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 decreasedas the water level in the box culvert increased.

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 sewerThe proposed strategies are evaluated based on a hydrodynamic model- Storm Water Management Model (SWMM

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

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Study on water pressure characteristics of Xiamen Xiang’an Subsea Tunnel

Cheng Zhengming

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 29-35

Abstract:

The reasonable water pressure upon lining determination is the key topressure would significantly reduce if the water of the tunnel was drained, and it would be presentedlinear decreasing with the increase of the water discharge.Lining external water pressure formula under limited drainage was established, and it was also verifiedby grouting, following the principle plugging dominantly and limited drainage.

Keywords： subsea tunnel     lining     water pressure     model test     limited drainage     reduction    

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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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Title Author Date Type Operation

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

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Journal Article

Research advances on engineering structural seismic safety of nuclear power plant

Kong Xianjing,Lin Gao

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

Modern Concept of City Drainage System

Zhang Jie

Journal Article

Internal incentives and operations strategies for the water-saving supply chain with cap-and-trade regulation

Zhisong CHEN, Li FANG, Huimin WANG

Journal Article

Seismic vulnerability assessment of water supply network in Tianjin, China

Yanxi CHEN,Zhiguang NIU,Jiaqi BAI,Yufei WANG

Journal Article

Crack detection for wading-concrete structures using water irrigation and electric heating

Journal Article

The security monitoring and controlled drainage of Xiamen Subsea Tunnel

Du Chaowei,Wang Mengshu,Tan Zhongsheng

Journal Article

Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Journal Article

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

Wenjing LU,Zhonge FU,Yan ZHAO

Journal Article

Some Issues on Water-saving and High-efficiency Farming of China

Sun Xuetao

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

Study on water pressure characteristics of Xiamen Xiang’an Subsea Tunnel

Cheng Zhengming

Journal Article

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

Journal Article