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Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 107-113 doi: 10.1007/s11709-014-0268-4

Abstract: In this study a fast computing procedure based on the MSFEM is developed to solve random field geotechnical

Keywords： multiscale     finite element     settlement     perturbation     random field     geotechnical    

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Mechanism of the December 2015 Catastrophic Landslide at the Shenzhen Landfill and Controlling Geotechnical Artical

Yueping Yin,Bin Li,Wenpei Wang,Liangtong Zhan,Qiang Xue,Yang Gao,Nan Zhang,Hongqi Chen,Tiankui Liu,Aiguo Li

Engineering 2016, Volume 2, Issue 2,   Pages 230-249 doi: 10.1016/J.ENG.2016.02.005

Abstract: catastrophic landslides of municipal solid waste around the world and discuss how to better manage the geotechnical

Keywords： Construction solid waste (CSW)     Landfill landslide     Factor of safety (FOS)     Geotechnical risk    

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Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 515-526 doi: 10.1007/s11709-017-0428-4

Abstract: A new Independent Cover Meshless Particle (ICMP) method is proposed for the analysis of complex geotechnicalformulation and a low computational cost, and is easy for the numerical analysis and modeling of complex geotechnical

Keywords： meshless method     particle method     independent cover     CTM     geotechnical engineering    

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Consistency Guarantees for Professional Appraisal of Geotechnical Engineering Design under Market Leading

Jian-ye Zheng

Frontiers of Engineering Management 2015, Volume 2, Issue 1,   Pages 82-85 doi: 10.15302/J-FEM-2015012

Abstract: Peer review is central to the process of modern engineering. Open peer review gives the impression that decisions are arrived at in a fair and meritocratic manner with an objective, reliable, consistent process. It is responsible for identifying methodological flaws and for improving the quality. Assistance from somebody in the same discipline is valuable. Clients refer to reviewers as referees since they help to determine the fate of a design. The client sets up a hanging committee to carry out open peer review to decide whether a piece of work should be accepted, revised or rejected. Reviewers in similar specialties make up a professional group. In an open peer review refereeing a retaining and protection structure design of building foundation pit excavation, an outside expert as an assessor, might master the art of review to pay attention to guarantee consistency of processes and outcomes.

Keywords： peer review     foundation pit excavation     retaining and protection structure     design introduction    

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Classification and quantification of excavated soil and construction sludge: A case study in Wenzhou, China

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 202-213 doi: 10.1007/s11709-021-0795-8

Abstract: urbanization in China, a large amount of excavated soil and construction sludge is being generated from geotechnicalattempted to classify the excavated soil and construction sludge according to their composition and geotechnical

Keywords： excavated soil     construction sludge     geotechnical and underground engineering     production     classification    

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Development of Finite Element Limit Analysis Method and Its Applications in Geotechnical Engineering

Zheng Yingren,Zhao Shangyi,Deng Chujian,Liu Weiming,Tang Xiaosong,Zhang Liming

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 39-61

Abstract: It is particularly applicable to the analysis and design of geotechnical engineering.early 20th century, finite element limit analysis method has been developed vigorously in domestic geotechnicalIn order to gradually achieon innovation in geotechnical design methods, this paper presented some researchThese mainly include geotechnical safety factor definitions, method principles, the overall failure criterion

Keywords： limit analysis method     finite element method     geotechnical engineering     slope     foundations     tunnel    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Tunnels extend in large stretches with continuous lengths of up to hundreds of kilometers which are vulnerable to faulting in earthquake-prone areas. Assessing the interaction of soil and tunnel at an intersection with an active fault during an earthquake can be a beneficial guideline for tunnel design engineers. Here, a series of 4 centrifuge tests are planned and tested on continuous tunnels. Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in a quasi-static manner. Failure mechanism, progression and locations of damages to the tunnels are assessed through a gradual increase in Permanent Ground Displacement (PGD). The ground surface deformations and strains, fault surface trace, fault scarp and the sinkhole caused by fault movement are observed here. These ground surface deformations are major threats to stability, safety and serviceability of the structures. According to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the functionality loss is not abrupt, and the tunnel will be able to tolerate some fault displacements. By monitoring the progress of damage states by increasing PGD, the fragility curves corresponding to each damage state were plotted and interpreted in related figures.

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility    

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Geotechnical forensic investigation of a slope failure on silty clay soil—A case study

Mohammad Abubakar NAVEED, Zulfiqar ALI, Abdul QADIR, Umar Naveed LATIF, Saad HAMID, Umar SARWAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 501-517 doi: 10.1007/s11709-020-0610-y

Abstract: Qila Bala Hisar is one of the noteworthy places of Peshawar, Khyber Pakhtunkhwa. The fort was constructed on a filled ground during the 18th century and it was renovated several times by the occupants ever since. Recently, due to an earthquake of magnitude 7.3, the upper part of the south-western wall of the fort collapsed. The collapse of the wall was attributed to the failure of the retained slope. This research was undertaken to characterize the slope material, study causal factors of failure and evaluate remedial strategy. The investigation involved conventional field and laboratory testing and geophysical investigation using electrical resistivity technique to evaluate the nature of stratum. Also, X-ray Diffraction and Scanning Electron Microscopy was used to study the slope material at a molecular level to evaluate the existence of swelling potential. The analysis has shown that excessive seepage of water caused by the poor maintenance of runoff and sewage drains is the causal factor triggered by the seismic event. A remedial strategy involving soil nails, micro piles and improvement of the surface drainage is recommended.

Keywords： forensic geotechnical investigation     slope failure     slope analysis     finite element method     numerical analysis    

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Understanding and addressing the environmental risk of microplastics

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1612-5

Abstract: Hence, great uncertainties might exist in microplastics exposure and health risk assessment based on

Keywords： Emerging contaminants     Microplastics     Environment risk     Health effect    

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Ecological Risk Management of Drinking Water Project: The Case Study of Kunming City

Ji-liang Zheng,Jun Hu,Xuan Zhou,Ching Yuen Luk

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 311-319 doi: 10.15302/J-FEM-2015045

Abstract: The ecological risk management of drinking water project is an important means of ensuring the safetyBased on ecological risk assessment and management theories, this paper establishes an ecological riskIts ecological risk management of drinking water has attracted the attention of both the local government

Keywords： drinking water project     ecological risk     ecological risk assessment     risk management    

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Risk Matrix Method and Its Application in the Field of Technical Project Risk Management

Zhu Qichao,Kuang Xinghua,Shen Yongping

Strategic Study of CAE 2003, Volume 5, Issue 1,   Pages 89-94

Abstract:

Technical project risk management has always been given great concern by the Department of DefenseThis paper systematically introduces risk matrix and its application, which is one of the most popularrisk management technologies in the field of DoD acquisition projects risk management.As a conclusion, this paper evaluates the usability of risk matrix when to be used to assess and mitigaterisk management.

Keywords： risk matrix     risk management     project management    

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Bioaerosol emissions variations in large-scale landfill region and their health risk impacts

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1593-9

Abstract:

● The airborne bacteria in landfills were 4–50 times higher than fungi.

Keywords： Microbial aerosols     Landfill sites     Health risk assessment     CALPUFF    

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Epidemic obesity in children and adolescents: risk factors and prevention

Eun Young Lee, Kun-Ho Yoon

Frontiers of Medicine 2018, Volume 12, Issue 6,   Pages 658-666 doi: 10.1007/s11684-018-0640-1

Abstract: The complexity of risk factors for developing obesity among children and adolescents leads to difficultythat of obesity, an effective prevention strategy is to focus on overweight youth, who are at high riskMultifaceted, comprehensive strategies involving behavioral, psychological, and environmental risk factors

Keywords： obesity     children     adolescents     epidemiology     risk factor     prevention    

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Optimal risk allocation in alliance infrastructure projects: A social preference perspective

Xiang DING, Qian LI

Frontiers of Engineering Management 2022, Volume 9, Issue 2,   Pages 326-336 doi: 10.1007/s42524-020-0145-x

Abstract: The mechanism of risk allocation is designed to protect all stakeholders, and it is vital to projectFew research has focused on partners’ social preferences affecting the output of risk allocation.risk-management effort simultaneously.Results show that an AM’s IA significantly affects risk allocation between AL and AM.preference negatively affects AL’s optimal risk-sharing ratio.

Keywords： public project     contract design     risk sharing     inequity aversion     governance    

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Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 251-267 doi: 10.15302/J-FEM-2018086

Abstract: In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properlyAlthough several studies have been focused on the various effects of risk in construction projects, limitedefforts have been made to investigate the typical and the overall schedule delay risk.In this study, our aim is to detect the typical and overall schedule delay risk throughout the constructionthe exact risk level on specific activity to make appropriate decision.

Keywords： fuzzy analytic hierarchy process comprehensive evaluation     construction project     detection of delay risk    

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Title Author Date Type Operation

Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Journal Article

Mechanism of the December 2015 Catastrophic Landslide at the Shenzhen Landfill and Controlling Geotechnical

Yueping Yin,Bin Li,Wenpei Wang,Liangtong Zhan,Qiang Xue,Yang Gao,Nan Zhang,Hongqi Chen,Tiankui Liu,Aiguo Li

Journal Article

Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Journal Article

Consistency Guarantees for Professional Appraisal of Geotechnical Engineering Design under Market Leading

Jian-ye Zheng

Journal Article

Classification and quantification of excavated soil and construction sludge: A case study in Wenzhou, China

Journal Article

Development of Finite Element Limit Analysis Method and Its Applications in Geotechnical Engineering

Zheng Yingren,Zhao Shangyi,Deng Chujian,Liu Weiming,Tang Xiaosong,Zhang Liming

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Geotechnical forensic investigation of a slope failure on silty clay soil—A case study

Mohammad Abubakar NAVEED, Zulfiqar ALI, Abdul QADIR, Umar Naveed LATIF, Saad HAMID, Umar SARWAR

Journal Article

Understanding and addressing the environmental risk of microplastics

Journal Article

Ecological Risk Management of Drinking Water Project: The Case Study of Kunming City

Ji-liang Zheng,Jun Hu,Xuan Zhou,Ching Yuen Luk

Journal Article

Risk Matrix Method and Its Application in the Field of Technical Project Risk Management

Zhu Qichao,Kuang Xinghua,Shen Yongping

Journal Article

Bioaerosol emissions variations in large-scale landfill region and their health risk impacts

Journal Article

Epidemic obesity in children and adolescents: risk factors and prevention

Eun Young Lee, Kun-Ho Yoon

Journal Article

Optimal risk allocation in alliance infrastructure projects: A social preference perspective

Xiang DING, Qian LI

Journal Article

Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Journal Article