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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: behavior.Behavior-based safety (BBS) is an effective method to modify workers’ unsafe behavior.Thirdly, BMSMC practical applications using the unsafe behavior rate, as a measuring indicator is implementedObservations at one metro construction site in Wuhan indicate that the unsafe behavior rate of modifiedAt the same time, as of unmodified scaffolders at another work place for comparison, the unsafe behavior

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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The damage evolution behavior of polypropylene fiber reinforced concrete subjected to sulfate attack

Frontiers of Structural and Civil Engineering   Pages 316-328 doi: 10.1007/s11709-022-0810-8

Abstract: To study the damage evolution behavior of polypropylene fiber reinforced concrete (PFRC) subjected to

Keywords： polypropylene fiber reinforced concrete     sulfate attack     damage evolution behavior     acoustic emission    

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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    

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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Frontiers of Structural and Civil Engineering   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Sandy gravel foundations exhibit non-linear dynamic behavior when subjected to strong ground motions,Few studies have investigated the seismic behavior of sandy gravel foundations before and after groutinginsights relating to the development of foundations for relevant engineering sites and to the dynamic behavior

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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Uncertainty of concrete strength in shear and flexural behavior of beams using lattice modeling

Frontiers of Structural and Civil Engineering   Pages 306-325 doi: 10.1007/s11709-022-0890-5

Abstract: This paper numerically studied the effect of uncertainty and random distribution of concrete strength in beams failing in shear and flexure using lattice modeling, which is suitable for statistical analysis. The independent variables of this study included the level of strength reduction and the number of members with reduced strength. Three levels of material deficiency (i.e., 10%, 20%, 30%) were randomly introduced to 5%, 10%, 15%, and 20% of members. To provide a database and reliable results, 1000 analyses were carried out (a total of 24000 analyses) using the MATLAB software for each combination. Comparative studies were conducted for both shear- and flexure-deficit beams under four-point loading and results were compared using finite element software where relevant. Capability of lattice modeling was highlighted as an efficient tool to account for uncertainty in statistical studies. Results showed that the number of deficient members had a more significant effect on beam capacity compared to the level of strength deficiency. The scatter of random load-capacities was higher in flexure (range: 0.680–0.990) than that of shear (range: 0.795–0.996). Finally, nonlinear regression relationships were established with coefficient of correlation values (R2) above 0.90, which captured the overall load–deflection response and level of load reduction.

Keywords： lattice modeling     shear failure     flexural failure     uncertainty     deficiency     numerical simulation    

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Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching behavior

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 192-200 doi: 10.1007/s11783-014-0719-0

Abstract: Continuous acid extraction was utilized to extract metal ions and characterize their leaching behavior

Keywords： municipal solid waste incineration (MSWI) fly ash     blast furnace slag     leaching behavior     Cr     Pb    

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Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 411-418 doi: 10.1007/s11709-013-0228-4

Abstract: This experimental program consisted of 32 fracture beams to study the fracture behavior of concrete.

Keywords： concrete     fracture energy     fly ash    

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Assessment of leaching behavior and human bioaccessibility of rare earth elements in typical hospital

Chunfeng Wang, Guanfei Chen, Yanchen Zhu, Dan Yao, Wanfeng Wang, Lianjun Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0946-2

Abstract: Leaching behavior and gastrointestinal bioaccessibility of rare earth elements (REEs) from hospital waste

Keywords： Assessment     Rare earth elements     Leaching behavior     Bioaccessibility     Hospital waste    

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A survey of malware behavior description and analysis Review

Bo YU, Ying FANG, Qiang YANG, Yong TANG, Liu LIU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 5,   Pages 583-603 doi: 10.1631/FITEE.1601745

Abstract: Behavior-based malware analysis is an important technique for automatically analyzing and detecting malwarespecifications and cover the entire behavior space of the malware samples.Although there have been several works focusing on malware behavior analysis, such research is far from: malware behavior description, behavior analysis methods, and visualization techniques.First, existing behavior data types and emerging techniques for malware behavior description are explored

Keywords： Malware behavior     Static analysis     Dynamic Analysis     Behavior data expression     Behavior analysis     Machinelearning     Semantics-based analysis     Behavior visualization     Malware evolution    

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Rheological behavior of mixed system of ionic liquid [C

Zimeng HE,Ling YUE,Meng LI,Yazhuo SHANG,Honglai LIU

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 232-241 doi: 10.1007/s11705-015-1511-9

Abstract: We report on the rheological behavior of wormlike micelles constructed by ionic liquid surfactant [C

Keywords： rheological behavior     ionic liquid surfactant     sodium oleate     wormlike micelles     viscoelasticity    

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Heterogeneous influence of individuals’ behavior on mask efficacy in gathering environments

Frontiers of Engineering Management   Pages 550-562 doi: 10.1007/s42524-022-0193-5

Abstract: Given the heterogeneity of individual behavior, if individuals who are more active in terms of interpersonal

Keywords： COVID-19     masks     behavioral heterogeneity     asymptomatic infection    

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Simulation of viscoelastic behavior of defected rock by using numerical manifold method

Feng REN, Lifeng FAN, Guowei MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 199-207 doi: 10.1007/s11709-011-0102-1

Abstract: The behavior of the stress wave traveling in a one-dimensional rock bar with randomly distributed microcracks

Keywords： stress wave propagation     defected rock     numerical manifold method     viscoelastic behavior     storage modulus    

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Dynamic behavior of superheated steam and ways of control

LI Xu

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 25-30 doi: 10.1007/s11708-008-0014-5

Abstract: A simple way of calculating the dynamic behavior of a superheater is presented.

Keywords： engineering     investment     Numerous simulation     lead/lag     temperature    

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A state-of-the-art review on interfacial behavior between asphalt binder and mineral aggregate

Meng GUO, Yiqiu TAN, Linbing WANG, Yue HOU

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 248-259 doi: 10.1007/s11709-017-0422-x

Abstract: simulation and phase field approach were also demonstrated to be effective methods to study the interfacial behavior

Keywords： Asphalt binder     Mineral aggregate     Interfacial behavior     Multiscale    

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Title Author Date Type Operation

Study on Big Data-based Behavior Modification in Metro Construction

Lie-yun Ding,Sheng-yu Guo

Journal Article

Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Journal Article

The damage evolution behavior of polypropylene fiber reinforced concrete subjected to sulfate attack

Journal Article

Adsorption behavior of antibiotic in soil environment: a critical review

Shiliang WANG,Hui WANG

Journal Article

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Journal Article

Uncertainty of concrete strength in shear and flexural behavior of beams using lattice modeling

Journal Article

Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching behavior

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Journal Article

Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Journal Article

Assessment of leaching behavior and human bioaccessibility of rare earth elements in typical hospital

Chunfeng Wang, Guanfei Chen, Yanchen Zhu, Dan Yao, Wanfeng Wang, Lianjun Wang

Journal Article

A survey of malware behavior description and analysis

Bo YU, Ying FANG, Qiang YANG, Yong TANG, Liu LIU

Journal Article

Rheological behavior of mixed system of ionic liquid [C

Zimeng HE,Ling YUE,Meng LI,Yazhuo SHANG,Honglai LIU

Journal Article

Heterogeneous influence of individuals’ behavior on mask efficacy in gathering environments

Journal Article

Simulation of viscoelastic behavior of defected rock by using numerical manifold method

Feng REN, Lifeng FAN, Guowei MA

Journal Article

Dynamic behavior of superheated steam and ways of control

LI Xu

Journal Article

A state-of-the-art review on interfacial behavior between asphalt binder and mineral aggregate

Meng GUO, Yiqiu TAN, Linbing WANG, Yue HOU

Journal Article