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Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 518-531 doi: 10.1007/s11709-020-0611-x

Abstract: This article presents the soil spatial variability effect on the performance of a reinforced earth wallThe Monte Carlo simulation technique is used to obtain the deformation response variability of the reinforcedThe influences of the spatial variability response of the geotechnical system in terms of horizontalThe results obtained show that the spatial variability has an important influence on the facing horizontal

Keywords： reinforced earth wall     geosynthetic     random field     spatial variability     Monte Carlo simulation    

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Fuel variability effect on flickering frequency of diffusion flames

Jizhao LI, Yang ZHANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 134-140 doi: 10.1007/s11708-009-0034-9

Abstract: It is known that fuel variability of different gas suppliers may cause combustion instability in a gasThe intent of this study is to investigate the fuel variability on the flickering frequency of diffusionflames in the hope of understanding some of the fundamental aspects of fuel variability effect on the

Keywords： fuel variability     flickering frequency     diffusion flames     dynamics of combustion    

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Treatment, residual chlorine and season as factors affecting variability of trihalomethanes in small

Roberta DYCK,Geneviève COOL,Manuel RODRIGUEZ,Rehan SADIQ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 171-179 doi: 10.1007/s11783-014-0750-1

Abstract: Seasonal variability in source water can lead to challenges for drinking water providers related to operationalThe objective of this study is to investigate seasonal variability of water quality in municipal smallThe seasonal variability was generally more pronounced in systems using chlorination plus additionalstudy with these data will be beneficial in finding determinants and indicators for both quantity and variability

Keywords： drinking water     residual chlorine     seasonal variability     small municipal systems     treatment technologies    

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Quantifying and mapping spatial variability of Shanghai household carbon footprints

Shangguang YANG,Chunlan WANG,Kevin LO,Mark WANG,Lin LIU

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 115-124 doi: 10.1007/s11708-015-0348-8

Abstract: Understanding the spatial variability of household carbon emissions is necessary for formulating sustainableThe findings reveal substantial spatial variability in household carbon emissions, especially in transport-related

Keywords： household carbon emissions     spatial variability     energy policy     Shanghai     China    

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Distribution and temporal variability of the solar resource at a site in south-east Norway

Muyiwa S. ADARAMOLA

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 375-381 doi: 10.1007/s11708-016-0426-6

Abstract: However, the variability of this resource has been the main barrier for solar energy development in mostThis paper investigated the distribution and variability of solar radiation using the a 10-year (2006

Keywords： coefficient of variation     global solar radiation     diffuse ratio     albedo     PV energy systems    

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Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: Geotechnical uncertainties may play crucial role in response prediction of a structure with substantial soil-foundation-structure-interaction (SFSI) effects. Since the behavior of a soil-foundation system may significantly alter the response of the structure supported by it, and consequently several design decisions, it is extremely important to identify and characterize the relevant parameters. Moreover, the modeling approach and the parameters required for the modeling are also critically important for the response prediction. The present work intends to investigate the effect of soil and model parameter uncertainty on the response of shallow foundation-structure systems resting on dry dense sand. The SFSI is modeled using a beam-on-nonlinear-winkler-foundation (BNWF) concept, where soil beneath the foundation is assumed to be an assembly of discrete, nonlinear elements composed of springs, dashpots and gap elements. The sensitivity of both soil and model input parameters on shallow foundation responses are investigated using first-order second-moment (FOSM) analysis and Monte Carlo simulation through Latin hypercube sampling technique. It has been observed that the degree of accuracy in predicting the responses of the shallow foundation is highly sensitive soil parameters, such as friction angle, Poisson’s ratio and shear modulus, rather than model parameters, such as stiffness intensity ratio and spring spacing; indicating the importance of proper characterization of soil parameters for reliable soil-foundation response analysis.

Keywords： shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter uncertainty    

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Quantification of emission variability for off-road equipment in China based on real-world measurements

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1455-x

Abstract:

• Emissions from 53 in-use diesel-fueled off-road equipment were measured.

Keywords： Off-road equipment     Portable emission measurement system (PEMS)     Real-world emissions     Diesel engine    

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Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 117-130 doi: 10.1007/s11709-021-0788-7

Abstract: In particular, the variability in the strength properties of waste copper slag concrete, which is required

Keywords： waste copper slag     quantification of variability     goodness-of-fit test     seismic risk assessment     PSDM    

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The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 269-278 doi: 10.1007/s11783-014-0672-y

Abstract: Soil moisture variability in natural landscapes has been widely studied; however, less attention hasbeen paid to its variability in the urban landscapes with respect to the possible influence of texture

Keywords： moisture vertical distribution     moisture temporal variation     texture stratification     irrigation     meteorological forcing     urban landscape    

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Variability and vulnerability of carbon pools in Southern Ocean and western Arctic Ocean and their exploratory

Chen Liqi

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 79-85

Abstract: distribution of surface pCO2 and sea-air fluxes of CO2 were analyzed to understand variability

Keywords： carbon cycle     variability and vulnerability     Southern Ocean     Arctic Ocean     exploring engineering technology    

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Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 640-657 doi: 10.1007/s11783-013-0549-5

Abstract: diversity of access to those resources and services; resilience in the face of weather- and climate-related variabilityThroughout the paper, matters of risk in the face of meteorological variability are prominent.

Keywords： cities as forces for good     climate variability     ecosystem services     energy and nutrient recovery     infrastructure    

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Genetic variability of Appaloosa horses: a study of a closed breeding population from Argentina

Claudia Malena CORBI-BOTTO,Sebastian Andres SADABA,Elina Ines FRANCISCO,Paula Belen KALEMKERIAN,Juan Pedro LIRON,Egle Etel VILLEGAS-CASTAGNASSO,Guillermo GIOVAMBATTISTA,Pilar PERAL-GARCIA,Silvina DIAZ

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 3,   Pages 175-178 doi: 10.15302/J-FASE-2014019

Abstract: The genetic diversity and structure of 72 Appaloosa horses belonging to a closed breeding population from an ecological reserve in Buenos Aires, Argentina, was investigated using eight microsatellite markers from the International Society for Animal Genetics panel. Our data showed that this Appaloosa horse population had an elevated degree of genetic diversity (He= 0.746) and did not present a significant increase of homozygous individuals ( ~0). However, the short tandem repeats, AHT5, ASB2, HTG10 and VHL20, were not in Hardy–Weinberg equilibrium ( -value<0.05). Genetic relationships between this population and other well known horse breeds showed that Appaloosa horses from Argentina could have had their origin in the horses of the Nez Perce’s people in Idaho while other Appaloosa horses may have had influences from Andalusian and Lusitano breeds. This closed breeding population conserves an important degree of Appaloosa genetic diversity and notwithstanding its particular breeding characteristics, represents a valuable genetic resource for conservation.

Keywords： horse     genetic diversity     microsatellite     Appaloosa     population structure     conservation    

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Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 478-489 doi: 10.1007/s11709-021-0698-8

Abstract: The spatial variability of the soil is incorporated for both isotropic and anisotropic fields, whichfluctuation on the probability of failure is investigated, and the necessity for considering spatial variability

Keywords： element method     square footing     reliability analysis     fuzzy set theory     coefficient of variation     spatial variability    

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Same stimuli, different responses: a pilot study assessing air pollution visibility impacts on emotional well-being in a controlled environment

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1620-5

Abstract:

● Emotional responses to visibility-reducing haze was assessed in a controlled lab.

Keywords： Air pollution     Emotional wellbeing     Variability     Visual exposure     Emotional bias    

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Influence of the sewage irrigation on the agricultural soil properties in Tongliao City, China

Hong YAO, Shichao ZHANG, Xiaobo XUE, Jie YANG, Kelin HU, Xiaohua YU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 273-280 doi: 10.1007/s11783-013-0497-0

Abstract: This study evaluates the spatial variability of soil properties after irrigation with wastewater andGeostatistical techniques were used to identify the variability of soil properties at the different sites

Keywords： spatial variability     soil properties     groundwater and sewage irrigation    

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Title Author Date Type Operation

Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Journal Article

Fuel variability effect on flickering frequency of diffusion flames

Jizhao LI, Yang ZHANG

Journal Article

Treatment, residual chlorine and season as factors affecting variability of trihalomethanes in small

Roberta DYCK,Geneviève COOL,Manuel RODRIGUEZ,Rehan SADIQ

Journal Article

Quantifying and mapping spatial variability of Shanghai household carbon footprints

Shangguang YANG,Chunlan WANG,Kevin LO,Mark WANG,Lin LIU

Journal Article

Distribution and temporal variability of the solar resource at a site in south-east Norway

Muyiwa S. ADARAMOLA

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

Quantification of emission variability for off-road equipment in China based on real-world measurements

Journal Article

Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Journal Article

The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Journal Article

Variability and vulnerability of carbon pools in Southern Ocean and western Arctic Ocean and their exploratory

Chen Liqi

Journal Article

Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Journal Article

Genetic variability of Appaloosa horses: a study of a closed breeding population from Argentina

Claudia Malena CORBI-BOTTO,Sebastian Andres SADABA,Elina Ines FRANCISCO,Paula Belen KALEMKERIAN,Juan Pedro LIRON,Egle Etel VILLEGAS-CASTAGNASSO,Guillermo GIOVAMBATTISTA,Pilar PERAL-GARCIA,Silvina DIAZ

Journal Article

Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Journal Article

Same stimuli, different responses: a pilot study assessing air pollution visibility impacts on emotional well-being in a controlled environment

Journal Article

Influence of the sewage irrigation on the agricultural soil properties in Tongliao City, China

Hong YAO, Shichao ZHANG, Xiaobo XUE, Jie YANG, Kelin HU, Xiaohua YU

Journal Article