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A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 305-311 doi: 10.1007/s11709-009-0040-3

Abstract: A new triaxial testing system that could control suction in wetting-induced collapsible tests was successfullydeveloped to study the suction effects on wetting-induced collapsible deformation.A triaxial collapsible testing procedure was described using the new apparatus for undisturbed collapsibleof the net cell pressure on collapsible deformation was remarkable.The new triaxial apparatus was a useful facility to study the collapsible behavior of loess.

Keywords： triaxial apparatus for collapsible soils     controlled suction     pressure/volume controlled equipment     doubletriaxial collapsible test     single triaxial collapsible test    

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Review of the crushing response of collapsible tubular structures

Vivek PATEL, Gaurav TIWARI, Ravikumar DUMPALA

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 438-474 doi: 10.1007/s11465-019-0579-1

Abstract: Studies on determining and analyzing the crushing response of tubular structures are of significant interest, primarily due to their relation to safety. Several aspects of tubular structures, such as geometry, material, configuration, and hybrid structure, have been used as criteria for evaluation. In this review, a comprehensive analysis of the important findings of extensive research on understanding the crushing response of thin-walled tubular structures is presented. Advancements in thin-walled structures, including multi-cell tube, honeycomb and foam-filled, multi wall, and functionally graded thickness tubes, are also discussed, focusing on their energy absorption ability. An extensive review of experimentation and numerical analysis used to extract the deformation behavior of materials, such as aluminum and steel, against static and dynamic loadings are also provided. Several tube shapes, such as tubes of uniform and nonuniform (tapered) cross sections of circular, square, and rectangular shapes, have been used in different studies to identify their efficacy. Apart from geometric and loading parameters, the effects of fabrication process, heat treatment, and triggering mechanism on initiating plastic deformation, such as cutouts and grooves, on the surface of tubular structures are discussed.

Keywords： monolithic structure     crashworthiness     energy absorber     static and dynamic loadings     multicellular tube structure     filled tube    

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Assessment of pollution of potentially harmful elements in soils surrounding a municipal solid waste

Ying Han, Huiting Xie, Wenbin Liu, Haifeng Li, Mengjing Wang, Xuebin Chen, Xiao Liao, Nan Yan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0873-7

Abstract: Mn, Zn, Cr, Cu, Ni, Pb, As and Hg and the risks posed by these potentially harmful elements in top-soilsanother fly ash sample emitted from the MSWI to investigate the concentrations of these elements in soils

Keywords： Soil     Potentially harmful elements     Contamination     Kriging interpolation     Risk assessment     Wind direction    

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Healthy soils for sustainable food production and environmental quality

Xia LIANG, Jizheng HE, Fusuo ZHANG, Qirong SHEN, Jinshui WU, Iain M. YOUNG, Anthony G. O´DONNELL, Ligang WANG, Enli WANG, Julian HILL, Deli CHEN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 347-355 doi: 10.15302/J-FASE-2020339

Abstract: This study draws lessons from an Australia-China Joint Research Center Program, Healthy Soils for Sustainable

Keywords： Australia     China     environmental quality     food production     healthy soils    

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Experimental study of two saturated natural soils and their saturated remoulded soils under three consolidated

Mingjing JIANG, Haijun HU, Jianbing PENG, Serge LEROUEIL

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 225-238 doi: 10.1007/s11709-011-0108-8

Abstract: natural loess, saturated natural filling in ground fissure and their corresponding saturated remoulded soilsThe tested soils are different from loose sand on character of strain-softening and are different from

Keywords： stress paths     static liquefaction     natural soil     remoulded soil     loess     structure     total strength indices     excess pore pressure    

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Factors affecting the distribution of microplastics in soils of China

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1710-4

Abstract:

● Microplastic (MP) abundance in soil of China was highly heterogeneous.

Keywords： Microplastic distribution     Microplastic heterogeneity     Effecting factors     Agriculture     Socio-economic factors    

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A miniature triaxial apparatus for investigating the micromechanics of granular soils with

Zhuang CHENG, Jianfeng WANG, Matthew Richard COOP, Guanlin YE

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 357-373 doi: 10.1007/s11709-019-0599-2

Abstract: , this apparatus can be used for investigation of the micro-scale mechanical behavior of granular soilsimaging techniques, is a powerful tool to investigate the micro-scale mechanical behavior of granular soils

Keywords： triaxial apparatus     X-ray μCT     in situ test     micro-scale mechanical behavior     granular soils    

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Cement-based solidification/stabilization of contaminated soils by nitrobenzene

Jianguo LIU, Xiaoqin NIE, Xianwei ZENG, Zhaoji SU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 437-443 doi: 10.1007/s11783-012-0406-y

Abstract: The cement-based solidification/stabilization (S/S) of nitrobenzene (NB) contaminated soils, with cementthat the factors affecting S/S efficiency were NB concentration, cement-to-lime ratio and binder-to-soilsPAC in the 28 d cycle, whereas adding 2 wt% and 5 wt% PAC, with respect to the weight of contaminated soilsThe optimizing formula, that is, contaminated soils (dry weight):cement:lime= 100:25:25, with 5 wt% additionalsodium silicate and 2 wt% additional PAC, was applied to the engineering application of NB contaminated soils

Keywords： solidification/stabilization     nitrobenzene     contaminated soils     powder activated carbon    

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Assessment of mobile and potential mobile trace elements extractability in calcareous soils using different

Mohsen Jalali, Ziba Hurseresht

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1186-4

Abstract: CaCl2 may be more suitable than other extracts in calcareous soils.Understanding trace elements mobility in soils, extracting agents, and their relationships with soilextractability of cadmium (Cd), cobalt (Co), copper (Cu), nickel (Ni), and zinc (Zn) from calcareous soilsextracting agents most extracted Cd, Co, Ni, Zn, and part of Cu were as free ions and may be re-adsorbed on soilscomplexes dominated in solutions indicating that the extracted trace elements may not be re-adsorbed on soils

Keywords： Mobility     Calcareous soils     Extracting agents     Trace elements    

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SEQUESTERING ORGANIC CARBON IN SOILS THROUGH LAND USE CHANGE AND AGRICULTURAL PRACTICES: A REVIEW

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 210-225 doi: 10.15302/J-FASE-2022474

Abstract:

● Either increasing C input to or reducing C release from soils can

Keywords： agroecosystems     climate change     negative emissions technology     net zero    

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Effects of eggshell addition on calcium-deficient acid soils contaminated with heavy metals

Weiqi Luo, Yanping Ji, Lu Qu, Zhi Dang, Yingying Xie, Chengfang Yang, Xueqin Tao, Jianmin Zhou, Guining Lu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1026-y

Abstract: state of heavy metals, form of heavy metals, and available nutritious element calcium (Ca) in acid soilsindicates that the addition of eggshell would be a new potential method for remediation of acid field soils

Keywords： Heavy metals     Eggshell     Acid soil remediation     BCR sequential extraction    

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Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1499-y

Abstract:

• Manure fertilization resulted in antibiotic residues and increased metal contents.

Keywords： Pig manure     Antibiotics     Metals     Antibiotic resistance genes     Paddy fields    

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Concentrations of anthropogenic Pt and Pd in urban roadside soils in Xuzhou, China

WANG Xuesong, SUN Cheng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 475-479 doi: 10.1007/s11783-008-0071-3

Abstract: the environment from automobile catalysts is high in urban areas, with the major sinks being roadside soilsdetailed study on characterized concentrations of Pt and Pd and their enrichment ratios in urban roadside soilsCompared to unpolluted soils, computation of Pt and Pd enrichment ratios suggested that the Xuzhou roadsidesoils had average enrichment factors of 3.53 for Pt (in range of 1.22–5.73) and of 3.37 for Pd (in range

Keywords： platinum     detailed     different     Hierarchical     automobile catalytic    

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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: This article examines the capability of Gaussian process regression (GPR) for prediction of effective stress parameter ( ) of unsaturated soil. GPR method proceeds by parameterising a covariance function, and then infers the parameters given the data set. Input variables of GPR are net confining pressure ( ), saturated volumetric water content ( ), residual water content ( ), bubbling pressure ( ), suction ( ) and fitting parameter ( ). A comparative study has been carried out between the developed GPR and Artificial Neural Network (ANN) models. A sensitivity analysis has been done to determine the effect of each input parameter on . The developed GPR gives the variance of predicted . The 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 (ANN)     variance    

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manure biochar and earthworm interactively affected CO and NO emissions in agricultural and forest soils

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1473-8

Abstract:

• Earthworms increase CO2 and N2O emissions in agricultural and forest soil.

Keywords： Carbon sequestration     Forest soil     Cattle manure biochar     Greenhouse gas emissions     Soil fauna    

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Title Author Date Type Operation

A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Journal Article

Review of the crushing response of collapsible tubular structures

Vivek PATEL, Gaurav TIWARI, Ravikumar DUMPALA

Journal Article

Assessment of pollution of potentially harmful elements in soils surrounding a municipal solid waste

Ying Han, Huiting Xie, Wenbin Liu, Haifeng Li, Mengjing Wang, Xuebin Chen, Xiao Liao, Nan Yan

Journal Article

Healthy soils for sustainable food production and environmental quality

Xia LIANG, Jizheng HE, Fusuo ZHANG, Qirong SHEN, Jinshui WU, Iain M. YOUNG, Anthony G. O´DONNELL, Ligang WANG, Enli WANG, Julian HILL, Deli CHEN

Journal Article

Experimental study of two saturated natural soils and their saturated remoulded soils under three consolidated

Mingjing JIANG, Haijun HU, Jianbing PENG, Serge LEROUEIL

Journal Article

Factors affecting the distribution of microplastics in soils of China

Journal Article

A miniature triaxial apparatus for investigating the micromechanics of granular soils with

Zhuang CHENG, Jianfeng WANG, Matthew Richard COOP, Guanlin YE

Journal Article

Cement-based solidification/stabilization of contaminated soils by nitrobenzene

Jianguo LIU, Xiaoqin NIE, Xianwei ZENG, Zhaoji SU

Journal Article

Assessment of mobile and potential mobile trace elements extractability in calcareous soils using different

Mohsen Jalali, Ziba Hurseresht

Journal Article

SEQUESTERING ORGANIC CARBON IN SOILS THROUGH LAND USE CHANGE AND AGRICULTURAL PRACTICES: A REVIEW

Journal Article

Effects of eggshell addition on calcium-deficient acid soils contaminated with heavy metals

Weiqi Luo, Yanping Ji, Lu Qu, Zhi Dang, Yingying Xie, Chengfang Yang, Xueqin Tao, Jianmin Zhou, Guining Lu

Journal Article

Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Journal Article

Concentrations of anthropogenic Pt and Pd in urban roadside soils in Xuzhou, China

WANG Xuesong, SUN Cheng

Journal Article

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

Pijush Samui, Jagan J

Journal Article

manure biochar and earthworm interactively affected CO and NO emissions in agricultural and forest soils

Journal Article