• Title, Summary, Keyword: Mixed Member System

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First Experience: Citizens' Perception, Participation, and Evaluation of the New Legislative Electoral System in Taiwan

  • Yu, Ching-Hsin
    • Asian Journal for Public Opinion Research
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    • v.1 no.1
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    • pp.61-64
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    • 2013
  • In 2008, Taiwan adopted a new mixed member system which is significantly different from the long-implemented SNTV-MMD system for the election of legislators. The new system cuts the number of legislative seats from 225 to 113, extends legislators' terms of office from three years to four, and most importantly, adopts a new mixed-member majoritarian (MMM) electoral system to replace the SNTV system for legislative elections. The election of legislators in 2008 was the first time that this new mixed electoral system was implemented in Taiwan. Mainstream literature continues to discuss the electoral impact on political parties and candidates by the new system while citizens' knowledge of the new system and its concomitant effects on citizens' behavior receive less attention. Worse still, almost all of the literature assumes that voters were fully aware of the operation and impact of the new electoral system and cast their ballots wisely. The purpose of this paper is to explore citizen's perceptions, participation and evaluation of this new system.

Assessing Losers Consent in Mixed Systems: Public Perceptions of Taiwan’s 2008 Legislative Yuan Election

  • Rich, Timothy S.
    • Journal of Contemporary Eastern Asia
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    • v.15 no.1
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    • pp.4-16
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    • 2016
  • A large literature identifies perceptual differences between citizens that support winning parties versus losing parties. These analyses fail to capture the complexity of mixed member legislative systems where one can be a winner or loser at both the national and district level. This paper proposes a two-level framework for the analysis of mixed system. An analysis of Taiwan’s first election under a mixed system provides evidence that both support for a national winner and district level winner produce boosts in positive perceptions of the electoral system. National success appears to be a larger motivator of perceptions.

Nonlinear Dynamic Response Characteristics with Variations in the Lower Stories of Mixed Building Structures (복합구조물의 하부층수 변화에 따른 비선형 동적응답특성)

  • 강병두;전대한;김재웅
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • pp.443-450
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    • 2001
  • The Mixed building structures can be divided into three partition, namely, upper wall, lower frame, and transfer system which link two partitions. The purpose of this study is to investigate the nonlinear response characteristics of structures, as the stories of lower frame of mixed building structures changes. The recorded earthquake ground motions of EI Centro 1940 NS is adopted, and the maximum ground accelerations are adjusted to 55ga1, 110ga1, 220ga1, 330ga1. The conclusions of this study are the following. 1) The responses of model that the story of lower frame is one were different from those of other models. 2) The process of ductility hinge occurrence of member was ends of coupling beam of upper wall and ends of beam of lower frame in 55ga1, bases of shear wall on pit floor in 110ga1, and bases of column of 1F in 220ga1.

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The Numerical Analysis on the Behaviour of Combined Sheet Pile in the Reclaimed Ground Mixed by Sandy Soil and Clayey Soil (사질토와 점성토가 혼재하는 해안 매립지반에서 조합형 Sheet Pile의 거동에 관한 해석적 연구)

  • Kim, Byung-Il;Kim, Young-Sun;Han, Sang-Jae;Park, Eon-Sang
    • Journal of the Korean Geosynthetics Society
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    • v.19 no.3
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    • pp.9-21
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    • 2020
  • In this study, the design method of the combined sheet pile was considered in the coastal landfill where sandy and clayey soils are mixed, and the behavior in excavation was analyzed. It was confirmed from the elasto-plastic analysis that the predicted behavior of the temporary facilities of earth retaining differs according to the type of the combined sheet pile method (Built up, Interlocking, Welding) and the analysis method (soldier pile method, continuous wall method). In the case of sheet pile member force, the results of the continuous wall analysis method predicted the most conservative results. When the stress ratio (calculation/allowance) of each member was analyzed based on the maximum member force of the combined sheet pile method, the maximum value was obtained for bending moment in the side pile and combined stress in the case of the strut. As a result of finite element analysis, the member force of the side pile was the largest in the short-term effective stress analysis condition, while the compressive force of the strut was large in the consolidation analysis. When comparing the results of the elasto-plastic analysis and the finite element analysis, the shear force of the side pile and the axial force of the strut were greatly evaluated in the elasto-plastic analysis, and the bending moment of the side pile was the largest in the short-term effective stress condition of the finite element analysis. In addition, the displacement of the side pile was predicted to be greater in the finite element analysis than in the elasto-plastic analysis.

Detection of Microphytobenthos Using Spectral Unmixing Method in the Saemangeum Tidal Flat, Korea

  • Lee, Y.K.;Won, J.S.;Ryu, J.H.
    • Proceedings of the KSRS Conference
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    • pp.853-855
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    • 2003
  • Microphytobenthos that supply nutrients to the intertidal ecosystem play an important part as a primary producer. If we estimate distribution and density of microphytobenthos, we can possibly calculate a volume of primary product in the tidal flat and its effect to the intertidal ecosystem. To estimate the portion of microphytobenthos, we used a linear spectral unmixing (LSU) method. LSU is a tool for inference the proportions of the pure components (or end-members) in a mixed pixel. The selection of end-members is critical to LSU. The end-members can be selected either from spectral libraries built from field surveys or from a remotely sensed image. We compared the two approaches of end-member selection, and the preliminary results showed end-members from from spectral library are as effective as those from image itself.

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3-D Axisymmetric Fluid-Structure-Soil Interaction Analysis Using Mixed-Fluid-Element and Infinite-Element (혼합형 유체요소와 무한요소를 이용한 3차원 축대칭 유체-구조물-지반 상호작용해석)

  • 김재민;장수혁;윤정방
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • pp.257-266
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    • 1999
  • This paper presents a method of seismic analysis for a cylindrical liquid storage structure on/in horizontally layered half.space considering the effects of the interior fluid and exterior soil medium in the frequency domain. To capture the essence of fluid-structure-soil interaction effects effectively, a mixed finite element with two-field (u, p) approximation is employed to model the compressive inviscid fluid, while the structure and soil medium are presented by the 3-D axisymmetric finite elements and dynamic infinite elements. The present FE-based method can be applied to the system with complex geometry of fluid region as well as with inhomogeneous near-field soil medium, since it can directly model both the fluid and the soil. For the purpose of verification, dominant peak frequencies in transfer functions for horizontal motions of cylindrical fluid storage tanks with rigid massless foundation on a homogeneous viscoelastic half.space are compared with those by two different added mass approaches for the fluid motion. The comparison indicates that the Present FE-based methodology gives accurate solution for the fluid-structure-soil interaction problem. Finally, as a demonstration of versatility of the present study, a seismic analysis for a real-scale LNG storage tank embedded in layered half.space is carried out, and its member forces along the height of the structure are compared with those by an added mass approach developed by the present writers.

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A geometrically nonlinear thick plate bending element based on mixed formulation and discrete collocation constraints

  • Abdalla, J.A.;Ibrahim, A.K.
    • Structural Engineering and Mechanics
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    • v.26 no.6
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    • pp.725-739
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    • 2007
  • In recent years there are many plate bending elements that emerged for solving both thin and thick plates. The main features of these elements are that they are based on mix formulation interpolation with discrete collocation constraints. These elements passed the patch test for mix formulation and performed well for linear analysis of thin and thick plates. In this paper a member of this family of elements, namely, the Discrete Reissner-Mindlin (DRM) is further extended and developed to analyze both thin and thick plates with geometric nonlinearity. The Von K$\acute{a}$rm$\acute{a}$n's large displacement plate theory based on Lagrangian coordinate system is used. The Hu-Washizu variational principle is employed to formulate the stiffness matrix of the geometrically Nonlinear Discrete Reissner-Mindlin (NDRM). An iterative-incremental procedure is implemented to solve the nonlinear equations. The element is then tested for plates with simply supported and clamped edges under uniformly distributed transverse loads. The results obtained using the geometrically NDRM element is then compared with the results of available analytical solutions. It has been observed that the NDRM results agreed well with the analytical solutions results. Therefore, it is concluded that the NDRM element is both reliable and efficient in analyzing thin and thick plates with geometric non-linearity.

Behavior of Composite RCS Beam-Column Joint Subjected to Cyclic Loading (반복하중을 받는 철근콘크리트 기둥과 철골보 합성구조의 접합부 성능에 관한 연구)

  • Cho, Pil-Kyu;Kim, Sang-Jun;Her, Jun;Choi, Oan-Chul
    • Proceedings of the Korea Concrete Institute Conference
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    • pp.577-581
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    • 1998
  • Recent trends in the construction of building frame feature the increase use of composite steel concrete members functioning together in what terms of mixed structural systems. One of such systems, RCS(reinforced concrete column and steel beam) system, is known to make use of type of member in the most efficient manner to maximize the structural and economic benifits. Based on the results, joint behavior and design were described in terms of two primary modes of failure ; joint panel shear and vertical bearing. In test specimen, joint deformation is observed at internal region greater than at external region.

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A Study on Yeongnyeon-euisaeng under Japanese Occupation (일제강점기 영년의생 연구)

  • Park, Hun-Pyeng
    • The Journal of Korean Medical History
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    • v.29 no.1
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    • pp.33-45
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    • 2016
  • Yeongnyeon-euisaeng (永年醫生) was a licensed Euisaeng (醫生) without time limit. Yeongnyeon-euisaeng was a member of bridging the gap between Joseon Dynasty and the Japanese colonial period in hanuigye (韓醫界). This study aims at better understanding the Yeongnyeon-euisang. In methods, several statistics have been served about Yeongnyeon-euisaeng on the basis of the Official gazette. The following facts have been found through the Official gazette. First, the time limitted licenses have been issued mixed with a permanent license. Secondly, Yeongnyeon-euisaeng lived longer than other people. Third, the residence of Yeongnyeon-euisaeng was a very high proportion in South Hamgyong Province. Fourth, Yeongnyeon-euisaeng played an important role in Korean medical doctor (韓醫師) system after the liberation. In addition, the correlation of multilateral for Yeongnyeon-euisaeng and Confucian doctor were examined. Area of the Confucian doctor decreased since the 17th century. Confucian doctor's region and position declimed during the Japanese occupation. But Confucian doctors were also culled as status of Korean medicine and Neo-Confucianism declimed.

The New Structural Design Process of Supertall Buildings in China

  • Lianjin, Bao;Jianxing, Chen;Peng, Qian;Yongqinag, Huang;Jun, Tong;Dasui, Wang
    • International Journal of High-Rise Buildings
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    • v.4 no.3
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    • pp.219-226
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    • 2015
  • By the end of 2014, the number of completed and under-construction supertall buildings above 250 meters in China reached 90 and 129, respectively. China has become one of the centers of supertall buildings in the world. Supertall buildings in China are getting taller, more slender, and more complex. The structural design of these buildings focuses on the efficiency of lateral resisting systems and the application of energy dissipation. Furthermore, the research, design, and construction of high-performance materials, pile foundations, and mega-members have made a lot of progress. Meanwhile, more and more challenges are presented, such as the improvement of structural system efficiency, the further understanding of failure models, the definition of design criteria, the application of high-performance materials, and construction monitoring. Thus, local structural engineers are playing a more important role in the design of supertall buildings.