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Structural pavement assessment in Germany

Lutz PINKOFSKY, Dirk JANSEN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 183-191 doi: 10.1007/s11709-017-0412-z

Abstract: motorways and trunk roads encourages the use of innovative, sound and reliable methods for the structural assessmentEssential elements for this are data, which allow a reliable assessment.For a holistic approach to structural pavement assessment performance orientated measurements will beThe paper summarizes the actual assessment procedures in Germany as well as the ongoing work on the development

Keywords： pavement assessment     Germany     structure     system    

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SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 356-365 doi: 10.15302/J-FASE-2022458

Abstract:

● A composite N management index is proposed to measure agriculture sustainability.

Keywords： global assessment     indicator     nitrogen management     sustainable agriculture     sustainable development goals    

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Environmental and human health impact assessment of major interior wall decorative materials

Bingqing ZHANG, Ruochen ZENG, Xiaodong LI

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 406-415 doi: 10.1007/s42524-019-0025-4

Abstract: The environmental impact assessment follows life cycle assessment (LCA) methodology and applies BuildingThe assessment scope, associated emissions, and territorial scope of various emissions are defined toAssessment results reveal that the integrated impact of interior latex is lower than that of non-woven

Keywords： life cycle assessment     human health impact     integrated assessment     interior wall decorative material     green    

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Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 448-453 doi: 10.1007/s11783-007-0071-8

Abstract: Environmental impact assessment (EIA) system has been established in China since 1973.

Keywords： public     impact assessment     Environmental impact     general    

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Fate and risk assessment of emerging contaminants in reclaimed water production processes

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1392-8

Abstract:

• PPCPs had the highest removal efficiency in A2O combined with MBR process (86.8%).

Keywords： Trace organic pollution     Antibiotic resistance genes     Reclaimed wastewater     Sludge     Risk assessment    

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Creep life assessment of aero-engine recuperator based on continuum damage mechanics approach

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0702-6

Abstract: The creep life of an aeroengine recuperator is investigated in terms of continuum damage mechanics by using finite element simulations. The effects of the manifold wall thickness and creep properties of brazing filler metal on the operating life of the recuperator are analyzed. Results show that the crack initiates from the brazing filler metal located on the outer surface of the manifold with the wall thickness of 2 mm and propagates throughout the whole region of the brazing filler metal when the creep time reaches 34900 h. The creep life of the recuperator meets the requirement of 40000 h continuous operation when the wall thickness increases to 3.5 mm, but its total weight increases by 15%. Decreasing the minimum creep strain rate with the enhancement of the creep strength of the brazing filler metal presents an obvious effect on the creep life of the recuperator. At the same stress level, the creep rupture time of the recuperator is enhanced by 13 times if the mismatch between the minimum creep rate of the filler and base metal is reduced by 20%.

Keywords： creep     life assessment     brazed joint     continuum damage mechanics     aeroengine recuperator    

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Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 308-319 doi: 10.1007/s11708-020-0696-x

Abstract: The methodologies employed to achieve this objective are environmental life cycle assessment (E-LCA),life cycle cost (LCC), and social life cycle assessment (S-LCA).

Keywords： crop residue     life cycle assessment     life cycle cost     social life cycle assessment     energy production    

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Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Frontiers in Energy   Pages 412-427 doi: 10.1007/s11708-023-0879-3

Abstract: technology has the potential to reduce CO2 emissions, but its carbon footprint and cost assessment

Keywords： carbon capture     utilization and storage (CCUS)     carbon footprint     levelized cost of liquid     lifecycle assessment    

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Shear assessment of compression flanges of structural concrete T-beams

Bj?rn SCHüTTE,Viktor SIGRIST

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 354-361 doi: 10.1007/s11709-014-0082-z

Abstract: For the assessment of a structure it may be worthwhile to improve the accuracy.

Keywords： concrete structures     structural assessment     stress field analysis     shear    

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An assessment of surrogate fuel using Bayesian multiple kernel learning model in sight of sooting tendency

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 277-291 doi: 10.1007/s11708-021-0731-6

Abstract: An integrated and systematic database of sooting tendency with more than 190 kinds of fuels was obtained through a series of experimental investigations. The laser-induced incandescence (LII) method was used to acquire the 2D distribution of soot volume fraction, and an apparatus-independent yield sooting index (YSI) was experimentally obtained. Based on the database, a novel predicting model of YSI values for surrogate fuels was proposed with the application of a machine learning method, named the Bayesian multiple kernel learning (BMKL) model. A high correlation coefficient (0.986) between measured YSIs and predicted values with the BMKL model was obtained, indicating that the BMKL model had a reliable and accurate predictive capacity for YSI values of surrogate fuels. The BMKL model provides an accurate and low-cost approach to assess surrogate performances of diesel, jet fuel, and biodiesel in terms of sooting tendency. Particularly, this model is one of the first attempts to predict the sooting tendencies of surrogate fuels that concurrently contain hydrocarbon and oxygenated components and shows a satisfying matching level. During surrogate formulation, the BMKL model can be used to shrink the surrogate candidate list in terms of sooting tendency and ensure the optimal surrogate has a satisfying matching level of soot behaviors. Due to the high accuracy and resolution of YSI prediction, the BMKL model is also capable of providing distinguishing information of sooting tendency for surrogate design.

Keywords： sooting tendency     yield sooting index     Bayesian multiple kernel learning     surrogate assessment     surrogate    

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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: Earthquakes are the most serious natural hazard to a WSN, and seismic risk assessment is essential tolocated in the airport area of Tianjin in northern China as a case study, a quantitative vulnerability assessmentearthquake, and the finite element software ABAQUS and fuzzy mathematic theory were adopted to construct the assessmentIn this study, a whole seismic vulnerability assessment method for a WSN was built, and these analyses

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

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Hierarchical methodological framework to improve Policy Environmental Assessment: Based on policy layer

Yinglie ZHOU, Cunkuan BAO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 82-90 doi: 10.1007/s11783-010-0004-9

Abstract: This study explores the current implementation challenges of the Policy Environmental Assessment (PEAThe results contribute to the analysis of PEA through different hierarchies of assessment.

Keywords： Policy Environmental Assessment (PEA)     policy hierarchy     PEA hierarchy     methodological framework    

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Decentralised energy and its performance assessment models

Ting WU, Dong-Ling XU, Jian-Bo YANG

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 183-198 doi: 10.1007/s42524-020-0148-7

Abstract: framework of multiple criteria decision analysis, which considers the identification, definition and assessmentThe evidential reasoning approach is applied to aggregate assessment information in a case study of the

Keywords： decentralised energy     assessment model     MCDA     evidential reasoning     sensitivity analysis    

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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: Blasting engineering in complex urban environments is considered to influence the safety and stability of the overlying drainage box culvert structure owing to vibration. Therefore, field blasting and vibration tests were performed on the blasting engineering of the Wuhan Metro Line 8 connected aisle, and the LS-DYNA software was used to analyze the dynamic response characteristics of an underground drainage box culvert during the blasting test. The vibration response evolution law of the buried drainage box culvert under blasting vibration was investigated, and a safe surface control standard for the blast vibration of a drainage box culvert is proposed. The results reveal that the maximum tensile stress of the box culvert structure was 0.33 MPa. The peak particle velocity (PPV) and peak tensile stress (PTS) of the drainage box culvert decreased as the water level in the box culvert increased. Based on the relationship between the tensile stress of the box culvert, PPV of the box culvert, and PPV of the surface, it is proposed that the surface control velocity of the buried drainage box culvert is 1.36 cm/s.

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

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Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrial

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1742-9

Abstract:

● A fine portrayal of organic pollutants in a retired industrial park is provided.

Keywords： Organic pollutants     Retired industrial park     Spatial correlation     Health risk assessment    

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Title Author Date Type Operation

Structural pavement assessment in Germany

Lutz PINKOFSKY, Dirk JANSEN

Journal Article

SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Journal Article

Environmental and human health impact assessment of major interior wall decorative materials

Bingqing ZHANG, Ruochen ZENG, Xiaodong LI

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

Fate and risk assessment of emerging contaminants in reclaimed water production processes

Journal Article

Creep life assessment of aero-engine recuperator based on continuum damage mechanics approach

Journal Article

Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Journal Article

Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Journal Article

Shear assessment of compression flanges of structural concrete T-beams

Bj?rn SCHüTTE,Viktor SIGRIST

Journal Article

An assessment of surrogate fuel using Bayesian multiple kernel learning model in sight of sooting tendency

Journal Article

Seismic vulnerability assessment of water supply network in Tianjin, China

Yanxi CHEN,Zhiguang NIU,Jiaqi BAI,Yufei WANG

Journal Article

Hierarchical methodological framework to improve Policy Environmental Assessment: Based on policy layer

Yinglie ZHOU, Cunkuan BAO,

Journal Article

Decentralised energy and its performance assessment models

Ting WU, Dong-Ling XU, Jian-Bo YANG

Journal Article

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

Journal Article

Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrial

Journal Article