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Study on Model Test of High Slope Supported by Micro-steel Pipe Piles
( Xueling Liu ),( Yuming Men ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
The slope excavation is a commonly-used technology to expand the land space in the urban construction in the mountainous region. Due to the existence of potential slip surfaces developed in high-steep slopes, cutting will destroy initial equilibrium state within the slope body and cause a landslide. It is necessary to pre-support the slope before cutting to enhance the stability of the slope. In this research, a physical model test of using the micro-steel pipe piles to support the high and steep slope was carried out to make a comparison of the slope stabilities and deformation before and after installing the micro-steel pipe piles reinforcement. Test results show the safety factor is 0.93 in the case without using micro-steel pipe piles, and the slope failure occurred along the preset sliding surface after the slope cutting completed. For the slope supported by micro-steel pipe piles, the safety factor increased to 1.5 and no sliding trace and deformation was observed after the slope cutting. The result shows that the micro-steel pipe piles were effective in supporting the high and steep slope and restraining the slope movement, thus enhancing the stability of slope. This study provides an engineering practice for the supporting design of the high and steep slope.
Xueling Nie 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.2
Traditional supply chain management is concerned about benefit maximization, although it can also involve raw materials recycling and energy conservation. According to the evaluation index system of green supply chain performance, the green degree will be composed in three layers; the first layer includes environmental impact degree, resource utilization rate, environmental benefit and reputation. In this study, we invited experts group to put forward the relative importance of the indicators, and then use the analytic hierarchy process to determine the weight of the indicators. Results show that the maximum weight is economic benefit, and the weight of the other four angles is more balanced and degree of attention was significantly lower than economic benefit. Green supply chain collaboration is the core competitiveness of enterprise development, green supply chain collaboration to better meet the user's personalized needs, but also to better enhances the competitiveness of the whole supply chain
Xueling Nie 보안공학연구지원센터 2016 International Journal of Smart Home Vol.10 No.2
Green supply chain management joined the concept of environmental friendly, so it received more and more attention from governments, academia and the business community after its concept have been proposed. In this paper, we test the management innovation diffusion in green supply chain by using Bass model, the result shows that green procurement and ecological design has always been the important factors, which influence enterprises whether to adopt green supply chain management or not. Other factors in turn are the enterprise internal environment management, investment recovery and customer cooperation. Study shows that the implementation of green supply chain management will not only improve the environmental performance of enterprises, but also enhance the economic performance of enterprises, so as to achieve the win-win effect.
Jiang Xueling 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.2
Many fire evacuation models have been proposed in recent years to better simulate such as an emergency situation. However, fire has different characters in high-rise building, and is affected by all kinds of factors. Evacuation of persons in case of fire is very complex, the environment will affected it, the individual psychological quality and physical quality, real time fire and so on. The numerical model based on cellular automata is presented, considering group behavior and real time fire development in the paper, and simulation experiments show the model is on the brink of reality and demonstrate its applicability and validity.
Some Characterizations of Regular and Semisimple Γ-Rings
Ma, Xueling,Zhan, Jianming,Jun, Young-Bae Department of Mathematics 2010 Kyungpook mathematical journal Vol.50 No.3
Some characterizations of regular $\Gamma$-rings are described by means of fuzzy ideals. The concepts of fuzzy interior ideals in $\Gamma$-rings and semisimple $\Gamma$-rings are introduced. Some characterizations of semisimple $\Gamma$-rings are investigated by means of fuzzy interior ideals.
Analysis of the Work Alienation of Teachers in Secondary Vocational Schools in China
Dr. Xueling FU,Chung-Shan SUN 한국직업자격학회 2017 한국직업자격학회 학술대회 Vol.2017 No.10
The purpose of the study is examining the wok alienation of secondary vocational school teachers. The sample of the study was composed of teachers(N=1447) employed in secondary vocational schools in 6 provinces in 2016-2017 academic year. For data collection purposes, "work alienation scale" developed by Chung-Shan Sun (1999) was utilized to determine alienation levels. Research results show that teachers felt alienated from school followed by feelings of unaccomplished, meaninglessness, irregularity and powerlessness. In general, correlation existed between the alienation level and the factors including sexuality, region, working time, professional titles, work load