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Evaluation method of dam behavior during construction and reservoir filling and application to real dams

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 92-101 doi: 10.1007/s11709-010-0009-2

Abstract: named the Minami-Aiki Dam, to verify a numerical consolidation method with an elastoplastic model for unsaturated

Keywords： fill dam     consolidation analysis     unsaturated geo-materials     impounding     construction    

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Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 1-39 doi: 10.1007/s11709-010-0013-6

Abstract: The prediction of the hydro-mechanical behavior of traditional and non-traditional materials used inThe materials used for dam’s construction cover a wide range from clayey materials to rockfill.In a broad sense they are compacted materials and therefore unsaturated materials.Regular compacted materials (with a significant clay fraction), rockfill and compacted soft rocks areThe latter are non-traditional materials.

Keywords： dams     unsaturated soil mechanics     suction     rockfill     clayey soil     mixture    

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Museum of Wangwu Mountain International Geo-park

LI Baofeng, ZHANG Weining

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 261-266 doi: 10.1007/s11709-008-0030-x

Abstract: Park Museum emphasizes protecting terrain, geomorphology and natural vegetation, utilization of local materials

Keywords： architectural     utilization     Geological     traditional craftsmanship     multi-specialty    

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Large-scale geo-energy development: Sustainability impacts

Li JIANG,Liandong ZHU,Erkki HILTUNEN

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 757-763 doi: 10.1007/s11708-017-0455-9

Abstract: Geothermal energy is a renewable and alternative energy with the potential to replace fossil fuels and help mitigate global warming. However, the development of geothermal energy has environmental, economic and social-cultural consequences, which needs to be predicted beforehand and then mitigated. To guarantee a sustainable development, it is, therefore, essential to consider the relative potential impacts. From a sustainability point of view, in the present study, a comprehensive analysis of consequences of geothermal energy development is conducted, including environmental, economic and societal & cultural dimensions. The geothermal energy industry will prosper only if sustainable aspects can be integrally considered.

Keywords： geothermal energy     sustainability     impact     development    

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Application of fractal theory to unsaturated soil mechanics

XU Yongfu, TONG Lixin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 411-421 doi: 10.1007/s11709-007-0056-5

Abstract: The mechanical properties of unsaturated soils are a function of the saturation degree or matric suctionto describe hierarchical systems and is suitable to model the structure and hydraulic properties of unsaturatedIn this paper, the soil-water characteristics, unsaturated hydraulic conductivity function, unsaturatedThe predictions of the proposed soil-water characteristics, unsaturated hydraulic conductivity, unsaturatedComparisons between the experimental results of unsaturated hydraulic conductivity and the predictions

Keywords： selection     soil-water     independent physical     unsaturated     strength    

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On Geo-environment in the Sustainable Development of Chinese Cities

Chen Junyong

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 6-8

Abstract:

Urban geo-environment mainly concerns those regards in and around a city, such as the movement ofThe relevant studies on geo-disaster reduction and the influences resulted from human activities on thegeo-environment are included as well.It is stressed in the paper that geo-environmental protection and management, as well as mitigation ofthe vulnerability of big cities again the geo-disaster are of significance to the sustainable development

Keywords： city     sustainable development     geo-environment     geo-disaster reduction    

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Systematic review for geo-authentic Lonicerae Japonicae Flos

Xingyue Yang, Yali Liu, Aijuan Hou, Yang Yang, Xin Tian, Liyun He

Frontiers of Medicine 2017, Volume 11, Issue 2,   Pages 203-213 doi: 10.1007/s11684-017-0504-0

Abstract: Japonicae Flos is commonly used as anti-inflammatory, antiviral, and antipyretic herbal medicine, and geo-authenticTo discuss the current situation and trend of geo-authentic Lonicerae Japonicae Flos, we searched Chineseassessment, discrimination, pharmacological effects, planting or processing, or ecological system of geo-authenticBy analyzing these studies, we found that the key points of geo-authentic Lonicerae Japonicae Flos research

Keywords： Lonicerae Japonicae Flos     geo-authentic     herbal quality     chemical fingerprint     component analysis    

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Energy shift: decline of easy oil and restructuring of geo-politics

Oliver R. INDERWILDI,David A. KING

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 260-267 doi: 10.1007/s11708-016-0416-8

Abstract: This paper critically assesses the geopolitical and geo-economic impact of novel fuel resources on bothThis paper, therefore, assesses, next to geopolitics and geo-economics, the environmental implications

Keywords： energy security     climatic change     geo-economics     geopolitics     unconventional resources     macroeconomics    

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Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 198-204 doi: 10.1007/s11709-007-0023-1

Abstract: The intensive soil-water interaction in unsaturated expansive soil is one of the major reasons for slopeInfiltration of rainwater not only results in wetting-induced softening of the shallow unsaturated soil

Keywords： strength     intensive soil-water     comprehensive     Infiltration     wetting-induced softening    

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Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 378-387 doi: 10.1007/s11709-022-0808-2

Abstract: This study presents stability analyses of layered soil slopes in unsaturated conditions and uses a limitequilibrium method to determine the factor of safety involving suction stress of unsaturated soil.The obtained results show that larger suction stress provided in unsaturated clay dominates the stabilityInfiltration/evaporation can obviously affect the stability of unsaturated layered slopes, but their

Keywords： slope stability     suction stress     unsaturated soil     layered slope     limit equilibrium    

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Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1302-5

Abstract: Abstract • A model coupling water-heat-salt of unsaturated frozen soil was established. • Future temperatureThe transport mechanisms of water, heat, and salt in unsaturated frozen soil, as well as its responseThe water, heat, and salt dynamics of unsaturated frozen soil under three representative concentrationpathway (RCP) scenarios were simulated to analyze the effects of future climate change on unsaturatedEffective measures should be taken to prevent the salinization of unsaturated frozen soils and address

Keywords： Soil salinization     Climate change     Unsaturated frozen soil     Water-heat-salt balance     Soil environment change    

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Stable expression and control parameters in the numerical simulation of unsaturated flow

Zhiyuan ZHANG; Xu LI; Yongkang WU; Xiaokang LI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1501-1514 doi: 10.1007/s11709-022-0893-2

Abstract: The Richards’ equation describes the flow phenomenon in unsaturated porous media and is essential tofindings can provide a helpful reference for improving the reliability of numerical simulations of unsaturated

Keywords： Richards’ equation     sensitivity analysis     unsaturated soil     hydraulic diffusivity     seepage simulation    

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Determination of effective stress parameter of unsaturated soils: A Gaussian process regression approach

Pijush Samui, Jagan J

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 133-136 doi: 10.1007/s11709-013-0202-1

Abstract: capability of Gaussian process regression (GPR) for prediction of effective stress parameter ( ) of unsaturatedThe results show that the developed GPR is reliable model for prediction of of unsaturated soil.

Keywords： unsaturated soil     effective stress parameter     Gaussian process regression (GPR)     artificial neural network    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: failure occurs due to an increase in the saturation level and a subsequent decrease in matric suction in unsaturatedpresents the results of a series of centrifuge experiments and numerical analyses on a 55° inclined unsaturatedThe factor of safety of a non-homogeneous, unsaturated soil slope decreases because of the less permeable

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1500-1513 doi: 10.1007/s11705-021-2086-2

Abstract: For the anode, we introduced in situ carbon-doped and surface-enriched unsaturated sulfur into

Keywords： in-situ carbon-doped     surface unsaturated sulfur enriched     pseudocapacitive energy storage     biomass-derived    

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Title Author Date Type Operation

Evaluation method of dam behavior during construction and reservoir filling and application to real dams

Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,

Journal Article

Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Journal Article

Museum of Wangwu Mountain International Geo-park

LI Baofeng, ZHANG Weining

Journal Article

Large-scale geo-energy development: Sustainability impacts

Li JIANG,Liandong ZHU,Erkki HILTUNEN

Journal Article

Application of fractal theory to unsaturated soil mechanics

XU Yongfu, TONG Lixin

Journal Article

On Geo-environment in the Sustainable Development of Chinese Cities

Chen Junyong

Journal Article

Systematic review for geo-authentic Lonicerae Japonicae Flos

Xingyue Yang, Yali Liu, Aijuan Hou, Yang Yang, Xin Tian, Liyun He

Journal Article

Energy shift: decline of easy oil and restructuring of geo-politics

Oliver R. INDERWILDI,David A. KING

Journal Article

Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Journal Article

Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Journal Article

Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Journal Article

Stable expression and control parameters in the numerical simulation of unsaturated flow

Zhiyuan ZHANG; Xu LI; Yongkang WU; Xiaokang LI

Journal Article

Determination of effective stress parameter of unsaturated soils: A Gaussian process regression approach

Pijush Samui, Jagan J

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Journal Article