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The Research on Subject Behavioral Risk of Whole Life-cycle Water Conservation Projects

Hong-yong Liu,Ji Guo,Wei-tao He

Frontiers of Engineering Management 2014, Volume 1, Issue 4, Pages 348-352 doi: 10.15302/J-FEM-2014048

Abstract: In February 2013 three dam safety accidents occurred due to improper participant subject behaviors.It is urgent to research the risks of the participant subject behaviors.This article takes each participating subject in the whole life-cycle of water conservation projectsthe risk behaviors and risk evolution processes, dissects the cause of the risks of the participating subject

Keywords： water conservation projects subject behavior safety accident risk effect engineering ethics

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Unified solution of limit loads of thick wall cylinder subject to external pressure considering strain

CHEN Changfu, XIAO Shujun, YANG Yu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3, Pages 329-333 doi: 10.1007/s11709-007-0043-x

Abstract: derived, and the elastic and plastic limit loads of a thick-walled cylinder made of these materials subject

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The Actuality and Development of the Engineering Management Subject in China

Wang Yingluo,Wang Nengmin

Strategic Study of CAE 2006, Volume 8, Issue 3, Pages 11-17

Abstract: The actuality of the engineering management subject is analyzed, and its characters are indicated.The problems about the education of the engineering management subject are studied, and the corresponding

Keywords： engineering management subject character development

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Drainage design combining drain holes and pinholes for tunnel boring machine segments subject to high

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 11, Pages 1723-1738 doi: 10.1007/s11709-023-0948-z

Abstract: coupling theory, a new drainage design for TBM segments was developed by considering a mountain tunnel subject

Keywords： TBM segment high water pressure drain hole pinhole groundwater table drawdown

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Proposal of a probabilistic assessment of structural collapse concomitantly subject to earthquake and

Gholamreza ABDOLLAHZADEH, Hadi FAGHIHMALEKI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3, Pages 425-437 doi: 10.1007/s11709-017-0427-5

Abstract:

In recent decades, many public buildings, located in seismic-prone residential areas, had to grapple with abnormal loads against which the structures were unguarded. In this piece of research, an ordinary three dimensional reinforced concrete building is selected as case study. The building is located in an earthquake-prone region; however, it is designed according to seismic building codes. Yet, it is not shielded against abnormal loads, such as blasts. It is assumed that the building suffers a blast load, due to mechanical/thermal installation failure during or after intense seismic oscillations. These two critical incidents are regarded codependent and compatible. So the researchers developed scenarios and tried to assess different probabilities for each scenario and carried out an analysis to ensure if progressive collapse had set in or not. In the first step, two analysis models were used for each scenario; a non-linear dynamic time history analysis and a blast local dynamic analysis. In the second step, having the structural destructions of the first step in view, a pushdown analysis was carried out to determine the severity of progressive collapse and assess building robustness. Finally, the annual probability of structural collapse under simultaneous earthquake and blast loads was estimated and offered.

Keywords： gas blast pushdown analysis progressive collapse annual probability of structural collapse 3D model of structure

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Extenics: A New Subject of "Contradiction Transformation, Innovation"

涂序彦

Strategic Study of CAE 2000, Volume 2, Issue 12, Pages 97-97

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Multimodal processes optimization subject to fuzzy operation time constraints: declarative modeling approach

Izabela NIELSEN,Robert WÓJCIK,Grzegorz BOCEWICZ,Zbigniew BANASZAK

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 4, Pages 338-347 doi: 10.1631/FITEE.1500359

Abstract: multimodal processes scheduling treated in terms of optimization of the AGVs fleet scheduling problem subject

Keywords： Automated guided vehicles (AGVs) Scheduling Multimodal process Fuzzy constraints Optimization

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On Creativity Thinking

Feng Guorui

Strategic Study of CAE 2004, Volume 6, Issue 6, Pages 15-21

Abstract: creativity thinking as well as the problems of raising overall synthetical diathesis of the thinking subject

Keywords： innovation creation creativity thinking thinking subject thinking object

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Study on Some Basic Problems of Safety Science

Lü Baohe

Strategic Study of CAE 2006, Volume 8, Issue 11, Pages 57-61

Abstract:

The scientific meanings of safety are analyzed. The concept of “zaishi” is introduced and the fact that it is just the research object of safety science is pointed out. The types of “zaishi” and their relationships are also discussed, based on which the necessity and feasibility of the construction of safety science are expatiated .The connotation of safety science and the basic approach of the construction are analyzed in a new point of view. Finally，the hierarchy of system of safety science and technology is discussed

Keywords： safety “zaishi” safety science the construction of subject

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Study on Big Data-based Behavior Modification in Metro Construction

Lie-yun Ding,Sheng-yu Guo

Frontiers of Engineering Management 2015, Volume 2, Issue 2, Pages 131-136 doi: 10.15302/J-FEM-2015037

Abstract: , construction accidents frequently happen, which are significantly attributable to workers’ unsafe behaviorBehavior-based safety (BBS) is an effective method to modify workers’ unsafe behavior.This paper introduces the study on big data-based metro construction behavior modification, aiming toFirst, the behavior modification pushing mechanism based on content-based personalized recommendationSecondly, the development of behavior modification system of metro construction (BMSMC) is introduced

Keywords： big data unsafe behavior behavior modification behavior-based safety (BBS) unsafe behavior rate

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Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Frontiers in Energy 2014, Volume 8, Issue 3, Pages 315-321 doi: 10.1007/s11708-014-0331-9

Abstract: Ellipsoidal particles flowing in the hopper were simulated by using the discrete element method (DEM), and described by the multi-element method. The contact detection algorithm and equations for ellipsoidal particle motion in hopper were developed. And the simulation results were confirmed by experiment. Additionally, the mass flow rate, pressure distribution and velocity distribution of two kinds of particles were examined. The results show that the mass flow rate of ellipsoidal particles is smaller than that of spherical particles. There is a maximum value of pressure drop at the top of the junction. Besides, the pressure drop decreases with the discharging time increasing. The velocity of spherical particle is larger than that of ellipsoidal.

Keywords： discrete element method ellipsoidal particle flow behavior hopper

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Effects of herding behavior of tradable green certificate market players on market efficiency: Insights

Frontiers in Energy 2023, Volume 17, Issue 2, Pages 266-285 doi: 10.1007/s11708-021-0752-1

Abstract: efficiency is reflected in stimulating renewable energy investment, but may be reduced by the herding behaviorheterogeneous agents, communication structure, and regulatory rules to explore the characteristics of herding behaviorThe results show that the evolution of herding behavior reduces information asymmetry and improves marketMoreover, the herding behavior may evolve to an equilibrium where the revenue of market players is comparable

Keywords： tradable green certificate herding behavior evolution heterogeneous agent model complex network

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A simplified method for investigating the bending behavior of piles supporting embankments on soft ground

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 7, Pages 1021-1032 doi: 10.1007/s11709-023-0952-3

Abstract: soil deformation mechanism and Poulos’ solution for pile–soil interaction to investigate the bending behaviorFurthermore, the effect of embedding a pile into a firm ground layer on the bending behavior was investigated

Keywords： bending behavior pile embankment soil−structure interaction failure mode

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Weakening behavior of waterproof performance in joints of shield tunnels under adjacent constructions

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 6, Pages 884-900 doi: 10.1007/s11709-022-0912-3

Abstract: In this study, the weakening behavior of waterproof performance was investigated in the joints of shield

Keywords： shield tunnel waterproof performance horizontal transverse deformation joint opening weakening behavior

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Adsorption behavior of antibiotic in soil environment: a critical review

Shiliang WANG,Hui WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4, Pages 565-574 doi: 10.1007/s11783-015-0801-2

Abstract: Antibiotics are used widely in human and veterinary medicine, and are ubiquitous in environment matrices worldwide. Due to their consumption, excretion, and persistence, antibiotics are disseminated mostly via direct and indirect emissions such as excrements, sewage irrigation, and sludge compost and enter the soil and impact negatively the natural ecosystem of soil. Most antibiotics are amphiphilic or amphoteric and ionize. A non-polar core combined with polar functional moieties makes up numerous antibiotic molecules. Because of various molecule structures, physicochemical properties vary widely among antibiotic compounds. Sorption is an important process for the environment behaviors and fate of antibiotics in soil environment. The adsorption process has decisive role for the environmental behaviors and the ultimate fates of antibiotics in soil. Multiply physicochemical properties of antibiotics induce the large variations of their adsorption behaviors. In addition, factors of soil environment such as the pH, ionic strength, metal ions, and organic matter content also strongly impact the adsorption processes of antibiotics. Review about adsorption of antibiotics on soil can provide a fresh insight into understanding the antibiotic-soil interactions. Therefore, literatures about the adsorption mechanisms of antibiotics in soil environment and the effects of environment factors on adsorption behaviors of antibiotics in soil are reviewed and discussed systematically in this review.

Keywords： adsorption antibiotics environment factors soil