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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 slopeIn this paper, the soil-water interaction is investigated with the full-scale field inspection of rainwaterIt is demonstrated that the soil-water interaction induced by seasonal wetting-drying cycles is verycomplex, and it involves coupled effects among the changes in water content, suction, stress, deformationIn addition, the abundant cracks in the expansive soil play an important role in the soil-water interaction

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

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Numerical evaluation of group-pile foundation subjected to cyclic horizontal load

Youngji JIN, Xiaohua BAO, Yoshimitsu KONDO, Feng ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 196-207 doi: 10.1007/s11709-010-0021-6

Abstract: the prediction of the group-pile foundation, the analyses are conducted within the framework of the soil-watercoupling method with finite-difference and finite-element regime.behaviors of group-pile foundation to a satisfactory accuracy, particularly with the effective stress analysis

Keywords： group-pile foundation     real-scale cyclic loading test     three-dimensional finite element method (3D-FEM)     soil-watercoupling analysis     undisturbed and remolded specimens    

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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: In this paper, the soil-water characteristics, unsaturated hydraulic conductivity function, unsaturatedThe predictions of the proposed soil-water characteristics, unsaturated hydraulic conductivity, unsaturated

Keywords： selection     soil-water     independent physical     unsaturated     strength    

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The Model of Water and Nitrogen Coupling in Winter Wheat Yield

Zhai Bingnian,Li Shengxiu

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 69-74

Abstract: the comprehensive effect of the stage and rate of N fertilizer application under different status of soilBy analysing the mathematical model, the soil moisture, tillering and jointing stage were thought tobe the remarkable factors, while the influencing sequence from large to small is： soil moisture ＞ tillering

Keywords： winter wheat     nitrogen     soil moisture     water and nitrogen coupling     mathematical model    

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Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 295-310 doi: 10.15302/J-FASE-2015074

Abstract: production area in China, but the current winter wheat-summer maize system has resulted in a large waterThis water-shortage necessitates the improvement of crop water productivity in the NCP.A crop water model, AquaCrop, was adopted to investigate yield and water productivity (WP) for rain-fedThe RMSE between the simulated and measured soil water storage at depth of 0–100 cm ranged from 4.09capillary groundwater would not result in groundwater over-tapping since the precipitation can meet the water

Keywords： AquaCrop     summer maize     soil water balance     water productivity    

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Functional trait differences between native bunchgrasses and the invasive grass

Huiqin HE, Thomas A. MONACO, Thomas A. JONES

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 1,   Pages 139-147 doi: 10.15302/J-FASE-2017175

Abstract: ., higher xylem pressure potential and greater shoot water content, water use per day and water-use efficiency(fast-growing species) had a higher transpiration rate, lower leaf temperature, and lower water-use efficiency

Keywords： annual grass     comparative growth     drought response     invasive plant     native grass     specific leaf area     soil-water    

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extraction and electrical resistance heating for efficient remediation of perchloroethylene-contaminated soil: Coupling merits and energy consumption

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1582-z

Abstract:

● Coupling merits of SEE and ERH were explored by a laboratory-scale

Keywords： Steam-enhanced extraction     Electrical resistance heating     Dense nonaqueous phase liquid     Soil remediation    

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The Analysis of Dangerous Volumetric Water Content of Unsaturated Soil Slope

Zhang Shilin,Wang Dongmei,Li Genhua

Strategic Study of CAE 2004, Volume 6, Issue 5,   Pages 71-75

Abstract:

This article mainly formulates that rainfall seeping makes the volumetric water of unsaturated soilchanging, and the water content relates closely to soil suction.coefficient has some relationship with volumetric water.soil slope also is danger.By monitoring the volumetric water condition changing of unsaturated soil slope, some information of

Keywords： unsaturated soil     stability analysis     rainfall seeping     volumetric water     soil suction    

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Analysis of Medium- and Long-term Coupling Effect of Energy- and Water-Saving Policies in Urban and Rural

Liu Gengyuan, Hu Junmei, Yang Zhifeng

Strategic Study of CAE 2019, Volume 21, Issue 5,   Pages 120-129 doi: 10.15302/J-SSCAE-2019.05.007

Abstract:

An energy-water coupling model is established in this paper based onlong-range energy alternatives planning (LEAP)
and water evaluation and planning (WEAP), scenariosare then designed to explore the energy- and water-saving effects of different
policies in Beijingin the future and their coupling effects, and sensitivity analysis of the results is also conducted.coupling sectors.

Keywords： urban and rural areas in Beijing     energy and water-saving     policy coupling analysis    

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Dimensionality reduction and prediction of soil consolidation coefficient using random forest coupling

Hai-Bang LY; Huong-Lan Thi VU; Lanh Si HO; Binh Thai PHAM

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 224-238 doi: 10.1007/s11709-022-0812-6

Abstract: The consolidation coefficient of soil (Cv) is a crucial parameter used for the designIn this study, we developed a hybrid model of Random Forest coupling with a Relief algorithm (RF-RL)to predict the Cv of soil.To conduct this study, a database of soil parameters collected from a case study region in Vietnam wasThe proposal models were constructed with four sets of soil variables, including 6, 7, 8, and 13 inputs

Keywords： soil consolidation coefficient     machine learning     random forest     Relief    

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Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 299-304 doi: 10.1007/s11709-009-0035-0

Abstract: centrifuge test was developed for the seepage field and stress field of a foundation pit with confined waterresponse of the ground and retaining structure during dewatering and excavation for the pit with confined water, which provides a reliable basis for the design and construction of the pit with confined water.

Keywords： foundation pit with confined water     centrifuge model test     seepage-stress coupling field     similarity relation    

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LINKING CROP WATER PRODUCTIVITY TO SOIL PHYSICAL, CHEMICAL AND MICROBIAL PROPERTIES

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 545-558 doi: 10.15302/J-FASE -2020349

Abstract:

Agriculture uses a large proportion of global and regional water resources.Due to the rapid increase of population in the world, the increasing competition for water resourceshas led to an urgent need in increasing crop water productivity for agricultural sustainability.This review examines the effects of soil physical, chemical, and microbial properties on crop water productivityA comprehensive view of these relationships may provide important insights for soil and water management

Keywords： crop water productivity     crop yield     soil chemical properties     soil microbial properties     soil physicalproperties     water consumption    

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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: Authors 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-inflowcollapse of the ground with high relative density more than 80% would be avoided in a few cycles of waterinflow and soil drainage.

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

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HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 501-511 doi: 10.15302/J-FASE-2021425

Abstract: A series of ecological projects has implemented aimed at soil and water conservation and ecological managementthe ecological projects are apparent mainly through a marked increase in vegetation cover, controlled soil

Keywords： ecological management     high quality development     industrial structure     soil erosion     soil and water    

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Interaction and independence on methane oxidation of landfill cover soil among three impact factors:water, oxygen and ammonium

Pinjing HE, Na YANG, Wenjuan FANG, Fan Lü, Liming SHAO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 175-185 doi: 10.1007/s11783-011-0320-8

Abstract: To understand the influence patterns and interactions of three important environmental factors, i.e. soilwater content, oxygen concentration, and ammonium addition, on methane oxidation, the soils from landfillCanonical correspondence analysis was utilized to distinguish the important impact factors.Water content was found to be the most important factor influencing the methane oxidation rate and TypeWith regard to the methanotrophs, Type II was sensitive to the changes of water content, while Type I

Keywords： polymerase chain reaction (PCR)     denaturing gradient gel electrophoresis (DGGE)     principal component analysis(PCA)     canonical correspondence analysis (CCA)    

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Title Author Date Type Operation

Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Journal Article

Numerical evaluation of group-pile foundation subjected to cyclic horizontal load

Youngji JIN, Xiaohua BAO, Yoshimitsu KONDO, Feng ZHANG,

Journal Article

Application of fractal theory to unsaturated soil mechanics

XU Yongfu, TONG Lixin

Journal Article

The Model of Water and Nitrogen Coupling in Winter Wheat Yield

Zhai Bingnian,Li Shengxiu

Journal Article

Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Journal Article

Functional trait differences between native bunchgrasses and the invasive grass

Huiqin HE, Thomas A. MONACO, Thomas A. JONES

Journal Article

extraction and electrical resistance heating for efficient remediation of perchloroethylene-contaminated soil: Coupling merits and energy consumption

Journal Article

The Analysis of Dangerous Volumetric Water Content of Unsaturated Soil Slope

Zhang Shilin,Wang Dongmei,Li Genhua

Journal Article

Analysis of Medium- and Long-term Coupling Effect of Energy- and Water-Saving Policies in Urban and Rural

Liu Gengyuan, Hu Junmei, Yang Zhifeng

Journal Article

Dimensionality reduction and prediction of soil consolidation coefficient using random forest coupling

Hai-Bang LY; Huong-Lan Thi VU; Lanh Si HO; Binh Thai PHAM

Journal Article

Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Journal Article

LINKING CROP WATER PRODUCTIVITY TO SOIL PHYSICAL, CHEMICAL AND MICROBIAL PROPERTIES

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

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

Journal Article

Interaction and independence on methane oxidation of landfill cover soil among three impact factors:water, oxygen and ammonium

Pinjing HE, Na YANG, Wenjuan FANG, Fan Lü, Liming SHAO

Journal Article