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        검색결과 320

        221.
        2017.12 KCI 등재 서비스 종료(열람 제한)
        Sungsoo Ok and Soo-Yeon Kim. 2017. Sensitivity to D-linking Effects in Island Construction Processing by Korean Speakers. Studies in Modern Grammar 96, 109-127. Questioning across-the-board effects of islands and D-linking in wh-interrogative construction, this study presents the results of two acceptability judgement experiments where judgements of Korean native speakers for Korean wh-interrogative constructions and for English wh-interrogative constructions are provided and compared. With respect to Korean wh-questions, native Korean speakers show different acceptability patterns depending on whether wh-phrases move overtly or not. When they are scrambled, presence of islands and the D-linking feature of wh-phrase affect acceptability in Korean as if they do in English: the former degrades the acceptability while there is an increase in acceptability status in the latter. As for in-situ cases, however, D-linking rather downgrades the acceptability of the sentences. In the second experiment on English wh-questions with Korean EFL learners, there are statistically significant, but comparatively marginal, effects of island constructions and D-linking on whinterrogative judgements. These results indicate that island effects and D-linking effects are not ubiquitous with the same degree but that they do vary depending on the language type, overtness of movement, and whether the tested language is L1 or L2.
        222.
        2017.09 KCI 등재 서비스 종료(열람 제한)
        There has been a growing concern on ontology especially in recent knowledge-based industry and defining a field-customized semantic word network is essential for building it. In this paper, a word network for ontology is established with 785 publications of Korean Society of Rural Planning(KSRP), from 1995 to 2017. Semantic relationships between words in the publications were quantitatively measured with the ‘normalized pointwise mutual information’ based on the information theory. Appearance and co-appearance frequencies of nouns and adjectives in phrases are analyzed based on the assumption that a ‘noun phrase’ represents a single ‘concept’. The word network of KSRP was compared with that of WordNetTM, a world-wide thesaurus network, for the verification. It is proved that the KSRP’s word network, established in this paper, provides words’ semantic relationships based on the common concepts of Korean rural planning research field. With the results, it is expecting that the established word network can present more opportunity for preparation of the fourth industrial revolution to the field of the Korean rural planning.
        223.
        2017.09 서비스 종료(열람 제한)
        Transition piece of offshore wind turbine tower is one of the main parts which takes the direct load and pass on to the lower support structure. In this study, a new design method for the transition piece has been developed. The trasition piece was designed based on the the load flow which was analyzed by approximation and was evaluated by FEM.
        224.
        2017.08 KCI 등재 서비스 종료(열람 제한)
        조영제의 혈관외유출을 한번이라도 경험한 방사선사들은 혈관외유출의 발생에 대한 두려움으로 검사하 는 동안 정신적 고통을 수반하게 된다. 환자의 경우 심한 신체적, 정신적 고통과 의료진 및 의료에 대한 불 신을 갖게 되므로 미연에 예방할 수 있는 방안의 마련이 무엇보다 필요하다. 따라서 본 연구에서는 조영제 주입 시 압력인 PSI를 낮추어 혈관외유출을 예방하고자 하며 그 방안으로 자동주입기와 환자의 정맥주사 바늘에 연결되는 Y자 형태의 연결관(connecting tube)의 직경에 따른 조영제 주입 시 PSI의 변화를 비교 분 석하고자 하였다. Y형태의 연결관 직경이 약 2 mm 정도인 A제품의 경우 전체 평균 연령의 PSI는 98.5, 표 준편차 9.72로 나타났다. 연결관 직경 약 3 mm 정도인 B제품의 경우 전체 연령의 평균 PSI는 62.0, 표준편 차 8.59로 나타났다. 이것은 직경이 더 넓은 B제품의 경우 A제품과 비교했을 때 평균압력이 37.05% 감소한 결과이다.
        225.
        2017.08 KCI 등재후보 서비스 종료(열람 제한)
        본 연구의 목적은 중국 유아교사 관련 연구의 전반적인 특징, 주제 현황과 주제들과의 관계 등을 파악 하여 향후의 유아교사 관련 연구 주제에 시사점을 제공하는 것이다. 본 연구는 중국 논문 사이트 知网 (CNKI)에 게재된 학위 논문과 학술지 논문 총 4032편 논문에서 총 1962개 키워드를 산출하여 Textom 을 활용하여 데이터 마이닝을 진행하였다. Textom에서 산출된 데이터는 UNICET 6를 활용하여 전체 키워드의 동시출현 빈도, 밀도, 매개 중심성을 분석하였다. 마지막으로 CONCOR 분석을 실시하여 그 결과를 NetDraw로 시각화하고 도식화하였다. 분석 결과 상위 60개의 키워드를 산출하였으며 키워드 간의 밀도는 0.373이었다. 매개 중심성 분석에서 '현황 연구', '유치원', '유아' 등 단어들이 높은 비율을 차지하였고 키워드를 시각화한 결과 총 4개의 유사군집이 나타났다.
        226.
        2017.06 KCI 등재 서비스 종료(열람 제한)
        Rural development policy has changed from hardware based development to community revitalization. The purpose of this study is to analyze social network of collaborative activity among rural organizations as fundamental of community. The material used in this study is a record of collaborative activites in the community newsletter of Hong-Dong area. 161 of collaborative activities (links) and 75 of organizations (nodes) are investigated in network. 6 collaborative activity type (‘Education’, ‘Socializing’, ‘Meeting’, ‘Culture’, ‘Event’ and ‘Labor’) is classified. ‘Socializing’ is inclusive of approximately half of whole network (50.67%). Closeness centraization, degree centralization and betweenness centralization are measured on top in ‘Education’, ‘Meeting’ and ‘Event’ type. Scatter plot analysis using degree and betweenness centrality index, ‘Maeul Revitalization Center’, ‘Balmak Library’, ‘Woori-Maeul Medical Co-op’, ‘Support Center for Female Farmers’, ‘Hongdong Middle School’ and ‘Mundang Sustainable Agriculture Education Center’ are resulted as the core organization in network. Geographical distribution of collaborative activity is not only concentated in Hong-Dong Myeon but also networked with adjacent administrative district. This study finds its purpose in the detailed analysis of network characteristics of collaborative activity within Hong-Dong area which is representative developed rural community in Korea
        228.
        2017.04 서비스 종료(열람 제한)
        In this paper, we research about integrated jacket support structure. The connection of the offshore wind support structure was designed based on the DNV-RP-C201 standard and the design of the appropriate type was derived through numerical calculation and finite element analysis of the stress paths of various connecting part type.
        229.
        2017.04 서비스 종료(열람 제한)
        Studies on the lattice girder of the cross sectional form and construction works through laboratory experiments have been performed. The numerical analysis for structural behavior such as deflection and stresses on the lattice girder, however, are insufficient. In this study the stiffness of a lattice girder was examined by using MIDAS.
        230.
        2017.04 서비스 종료(열람 제한)
        This paper analyzed the effects of rotational stiffness of wedge connection between vertical and horizontal members of system supports. By simulating the connection condition both a hinge connection, which is considered in the design stage, and a spring with the rotational stiffness reflecting the actual behavior, the critical buckling load and the maximum combination stress ratio are compared. The results show that hinge condition somewhat underestimate the actual behavior of vertical members of system supports. However, it is also noted that the horizontal member represents the increased stress due to the rotational stiffness of the connection.
        231.
        2017.03 KCI 등재 서비스 종료(열람 제한)
        This paper describes the experimental results for the structural performance of full-scale coupling beams with different reinforcement layout (diagonal and horizontal). For the reinforcements of the coupling beams, high-strength steel bars(SD500 and SD600) were used in order to improve workability and economic feasibility. The rigid steel frames and linked joints were used to maintain the clear span length (distance between both shear walls) of the coupling beam during the cyclic loading. Experimental results indicated that the diagonally reinforced coupling beam specimen could exhibit more ductile behavior compared to horizontally reinforced specimen. ACI318-14 code is applicable to design of coupling beam with diagonally reinforcement, however, that is overestimating the strength of horizontally reinforced coupling beam. It is remarkable that effective elastic stiffness values of both reinforcement details coupling beam significantly lees than ASCE 41-13.
        232.
        2016.10 서비스 종료(열람 제한)
        Based on the experiment, characteristic of local stresses and deformation in the anchorhead and wedges with prestressing of PSC slab was investigated in this study. As a result, local stresses exceeded yeild stress in the contacts of anchorhead and wedges and in the lower sides of anchorhead
        236.
        2016.10 서비스 종료(열람 제한)
        In recent year to improve the seismic behavior of conventional link beams, some efforts have been made by providing special reinforcement material, or using steel link beams as substitutes. In this study to facilitate the constructability and meanwhile ensure desirable seismic behavior, an innovative type of replaceable steel frame link beam was conceived and studied
        237.
        2016.10 서비스 종료(열람 제한)
        Coupled shear wall systems, which consist of two or more in-plane shear walls interconnected with link beams, are frequently used in medium and high-rise buildings. In this study, an innovative type of replaceable steel angle for link beam, was conceived and studied.
        238.
        2016.10 서비스 종료(열람 제한)
        As viable substitutes for reinforced concrete link beam, the use of alternlate link beam and composite coupling beams have also been investigated by several researchers. In this study to enhance the post-damage repair capability of the link beam, a different type of replaceable link beam with angle connection was investigated.
        239.
        2016.10 서비스 종료(열람 제한)
        This paper describes the structural performance of coupling beam with diagonal steel tube for reinforcement detail simplification of RC coupling beam. Two coupling beams were made and tested to compare the structural performance of coupling beam with diagonal steel bar and that with diagonal steel tube.
        240.
        2016.05 KCI 등재 서비스 종료(열람 제한)
        말뚝머리-확대기초 접합부는 상부구조물의 하중을 말뚝으로 전달하는 연결부분으로서 부재의 단면과 강성의 급격히 변화하는 부 위이기 때문에 응력이 집중되고 작용하는 휨모멘트와 전단력이 큰 취약부분이다. 이 연구에서는 제작조건에 따른 PHC말뚝 및 합성 PHC말뚝 과 확대기초 접합부의 구조성능을 평가하는데 목적이 있다. 반복가력 하중 조건하에서의 균열패턴, 하중-변위관계, 연성비, 초기 회전강성 및 에너지소산 특성을 각각 평가하였다. 접합부 초기 회전강성은 확대기초 내부로 삽입되는 말뚝삽입 깊이와 축방향철근 배근위치에 큰 영향을 받는 것으로 나타났다. 또한 접합부 강도, 연성비 및 누적 에너지소산 등의 접합부 거동은 말뚝의 종류와 축방향 철근 배근 위치에 영향을 받는 것으로 나타났다.