• Title/Summary/Keyword: Adjacent spaces

Search Result 130, Processing Time 0.026 seconds

3D Adjacency Spatial Query using 3D Topological Network Data Model (3차원 네트워크 기반 위상학적 데이터 모델을 이용한 3차원 인접성 공간질의)

  • Lee, Seok-Ho;Park, Se-Ho;Lee, Ji-Yeong
    • Spatial Information Research
    • /
    • v.18 no.5
    • /
    • pp.93-105
    • /
    • 2010
  • Spatial neighborhoods are spaces which are relate to target space. A 3D spatial query which is a function for searching spatial neighborhoods is a significant function in spatial analysis. Various methodologies have been proposed in related these studies, this study suggests an adjacent based methodology. The methodology of this paper implements topological data for represent a adjacency via using network based topological data model, then apply modifiable Dijkstra's algorithm to each topological data. Results of ordering analysis about an adjacent space from a target space were visualized and considered ways to take advantage of. Object of this paper is to implement a 3D spatial query for searching a target space with a adjacent relationship in 3D space. And purposes of this study are to 1)generate adjacency based 3D network data via network based topological data model and to 2)implement a 3D spatial query for searching spatial neighborhoods by applying Dijkstra's algorithms to these data.

A Study on the Planning Characteristics of Contemporary Japanese Middle School Architecture (현대 일본 중학교 건축의 계획특성에 관한 연구)

  • Lee, Jeong-Woo
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.17 no.3
    • /
    • pp.668-676
    • /
    • 2016
  • This study reviewed the planning characteristics of contemporary Japanese middle school architecture on which related studies are insufficient, aiming to obtain new ideas for planning Korean middle school facilities. Fourteen case schools built after 1990s were selected and analyzed. They were divided into learning-living space and other major spaces. The planning characteristics of the case schools are summarized as follows 1) The case schools were classified into two categories, departmentalized classroom type (D type) and usual with variation type (UV type) by school system. These categories can also be the classification standard for basic architectural characteristics in learning and living space of case schools. 2) D type case schools have departmentalized classrooms, home base, media space and teacher's space for learning-living space. D type case schools are divided into 'attached-to-classroom type' and 'separate type' depending on the adjacency of the home base and departmentalized classroom. 3) UV type case schools have multipurpose space around the classroom for learning-living space and can be divided into two types, i.e., 'directly adjacent' and 'separate', depending on the connectivity to classroom of multipurpose room. 4) Specialized classrooms are designed to have the openness to the public and the own characteristics of school subjects strengthened and show the spatial differentiation with connected ancillary spaces. 5) Libraries are designed as complex zones grouped with computer labs, audio visual rooms and multipurpose halls not as a single room and as open plan not with a closed wall. 6) The gymnasium is the basic sports facility with a martial arts room and outdoor pool, which are for after-school activities as well as physical education class. 7) The terrace, balcony and outdoor stairs are frequently used architectural vocabularies as diverse outdoor spaces with a variety of functions.

A Study of Evaluating Streetscape Green Environments to Improve Urban Street Green Spaces - A Case Study of Jeonju City - (도시가로녹지의 개선을 위한 녹화환경평가 연구 -전주시를 대상으로-)

  • Jeong, Moon-Sun;Lim, Hyun-Jeong
    • Journal of the Korean Society of Environmental Restoration Technology
    • /
    • v.22 no.3
    • /
    • pp.55-71
    • /
    • 2019
  • The purpose of this study is to propose an evaluation method to assess green environments of streetscapes to improve urban street green spaces in Jeonju City. Through a rapid assessment of urban street green spaces, we suggest an objective basis for expanding street green space as well as for adopting sustainable maintenance and improvement measures. We choose 12 sections of streetscapes (roads and sidewalks) to investigate existing street conditions which have more than four lanes and function as major road axes. Six large roads and six medium roads of Jeonju City center area are investigated as pilot assessment study sites. Site inventory checklists consist of environmental characteristics of streetscape, street tree status, and planting condition evaluation. Environmental characteristics of streetscapes are composed of physical and neighborhood factors. For instance, items for physical factors are types and width of road/sidewalks, paving materials, tree protection materials, and green strip. And surrounding landuse is a neighborhood factor. Assessment items for street tree status are street plant names (tree/shrubs/ground cover), size, and planting intervals. Planting condition evaluation items are tree shape, damage, canopy density, and planting types with existence of adjacent green space. Evaluation results are classified into three levels such as A(maintain or repair), B(greening enhancement), and C(structural improvement). In case of grade A, streetscapes have enough sidewalk width for maintaining green strip and a multi-layered planting(in large road only) with fairly good growing conditions of street trees. For grade B and C, streetscapes have a moderate level of sidewalk width with a single street tree planting. In addition, street tree growing conditions are appeared poor so that green enhancement or maintenance measures are needed. For median, only grade B and C are found as its planting growing foundations are very limited in space. As a result, acquiring enough sidewalk space is essential to enhance ecological quality of urban street green. Especially, it is necessary to have green strip with reasonable widths for plant growing conditions in sidewalks. In addition, we need to consider native species with multi-layer plant compositions while designing street green.

Visualization of the Comparison between Airborne Dust Concentration Data of Indoor Rooms on a Building Model (실내 공간별 미세먼지농도 비교 데이터의 시각화)

  • Lee, Sangik;Lee, Jin-Kook
    • Journal of the Korean housing association
    • /
    • v.26 no.4
    • /
    • pp.55-62
    • /
    • 2015
  • The international concern on the inhalable fine dust is continuing to increase. In addition to the toxic properties of the fine dust itself, it can be more dangerous than other environmental factors since the dust pollution is hard to be detected by human sense. Although the information on outdoor air condition can be acquired easily, the indoor dust concentration is another problem because the indoor air condition is influenced by the architectural environment and human activity. It means occupants may be exposed to indoor dust pollution over a long period without being aware. Therefore the indoor dust concentration should be measured separately and visualized as an intuitive information. By visualizing, the indoor dust concentration in each space can be recognized practically in compare with the degree of pollution in adjacent spaces. Besides the visualization outcome can be used as base data for related research such as an analysis of the relation between indoor dust concentration and architectural environment. Meanwhile, with the development of network and micro sensing devices, it became possible to collect wide range of indoor environment data. In this regards, this paper suggests a system for visualization of indoor dust concentration and demonstrates it on an actual space.

A Case Study on Conversion of Idle Industrial Facilities - Focus on Tate Modern, Baltic Center for Contemporary Art, and Ruhr Museum - (유휴 산업시설의 컨버전 사례 분석 - 테이트모던, 발틱 현대미술센터, 루르박물관을 중심으로 -)

  • Cho, Youn-Joo;Shin, Kyung-Joo
    • Korean Institute of Interior Design Journal
    • /
    • v.20 no.3
    • /
    • pp.59-68
    • /
    • 2011
  • As society alters and building ages, many industrial facilities lost their function and abandoned in central city areas, and sometimes creating many problems. However, many European countries successfully transformed those urban decay to vivid cultural hub. The purpose of this study was to analyze a concept and methods of converting idle industrial facilities to successful cultural spaces. A case study of Tate Modern, Baltic Center for Contemporary Art, and Ruhr Museum was conducted using literature review, site visit, and interview methods. Findings indicated that converting historically significant idle industrial facilities to cultural center had not only reused abandoned site but also helped regenerating adjacent urban areas. This article demonstrates the key factors of successful conversion strategies as convenience, participation, placeness, historicity, and accessibly; and thus an effort to actively enhance the strategic factors were demanded in future conversion projects. A continuous studies on exploring extensive cases in various perspectives are required for further generalization in future studies.

A study on the Use of site related to the site characteristics of the Elementary School in GwangJu-city (초등학교 입지특성에 따른 교지 이용에 관한 조사연구)

  • Kang, Man-Ho;Jeong, Joo-Seung;Joo, Seok-Joong
    • Journal of the Korean Institute of Educational Facilities
    • /
    • v.11 no.4
    • /
    • pp.15-24
    • /
    • 2004
  • The purpose of this study is to suggest some alternative on site planning of elementary school through investigating the effects of geographical and urban environment on the site. For this, we selected and surveyed 35 schools in Gwangju. The results of this study are as follows. 1) We cannot find out the differences from the use of elementary schools sites on slopes of sites. However, the sunken space between H type buildings in the site slopes facing east or west and the placing the playground on the north side of the site slopes facing north have some problems 2) The number of adjacent road and surrounding environment didn't show any effect. To separate between cars and pedestrians, we need some plans to block cars on the pedestrian gateway and it is much better to intensify the parking area near the school gate that cars come in and out. 3) The degree of satisfaction on the outdoor facilities of these cases shows low level. Therefore, to use the site of schools efficiently, we should secure the spacious playground and make plans to provide some spaces around school building for the static activities of students and teachers. 4) Most of all, the site which is suitable for educational environment should be selected. and also Special Code on the urban plan should be established to develop this one.

Radiographic Findings of Multiple Pulmonary Bullae by trauma in a Dog (개에서 창상에 의해 발생한 다발성 폐낭포의 방사선학적 진단례)

  • Park, Ki-Tae;Wang, Ji-Hwan;Yeon, Seong-Chan;Lee, Hyo-Jong;Lee, Hee-Chun
    • Journal of Veterinary Clinics
    • /
    • v.26 no.1
    • /
    • pp.72-75
    • /
    • 2009
  • Pulmonary bullae are air-filled spaces within the lung parenchyma that result from the destruction, dilatation and confluence of adjacent alveoli. Pulmonary bullae are found most often in healthy, middle aged, large breed or deep-chested dogs that have no previous history of lung disease and bulla may occur as a result of emphysema, inflammation or trauma. Clinical signs include respiratory distress, anorexia, depression and tachypnea. In this study, a dog with respiratory distress by traffic accident was diagnosed as pulmonary bullae with pneumothorax using radiography at Veterinary Medical Teaching Hospital, GNU. In radiographs, various sized, smooth margin, well defined, oval shaped, gas or fluid filled multiple bullae are shown in the left cranial, left caudal and right accessory lobes. At the initial stage of observation, there were indications of four bullae, two of which were not found in the following radiograph. At the same time, there were serious indications of lung consolidation that caused respiratory distress of patient. Ultimately, the patient was expired after ten hours.

Landscape Design of Community Center and Assembly Hall of Gwangjin-Gu (광진구 구민회관 및 구의회청사 조경설계)

  • 김도경;최원만
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.29 no.5
    • /
    • pp.60-70
    • /
    • 2001
  • This landscape design proposal was presented to a design competition for Gwangjin-gu Community Center and Assembly Hall. The site is located in 227-7 Jayang-dong, Gwangjin-gu, Seoul and is part a block designated as \`Kunkuk University Detailed Planning District\`. The judging criteria for landscape design set by the Gwangjin-gu could be articulated as follows: an identity of Gwangjin-gu, a relationship with surrounding environment, a locale as a community center of Gwangjin-gu, and an environment-friendly design. An identity of Gwangjin-gu was expressed by introducing lends and decks around the building which were transformed from the image of the old Gwangjin Ferry. The concept\` was strengthened by \`Nori-madang\` or Korean version of \`plaza\` which was designed by a motive of \`mungsuk\` or Korean old fashioned straw mat. An ambiguous relationship between the site and the surroundings was set by \`transparent exhibition frame\` which not only bleaks the massive Chungdam-daegyo, an elevated road, and frames it into small parts, but also attracts pedestrians toward the site-the \`park\`. Pedestrians from the adjacent\` Nengdong-ro Walkable Streets\` views the site through the many parts of frames. By introducing diverse resting and dynamic spaces for many kinds of cultural activities the site could function as a locale of the Gwangjin-gu community. The main paving system reflects the environment- friendly design. It was detailed by \`PC-block-deck-paving\` which was elevated from the ground so that rains could be absorbed.

  • PDF

An Ultrastructural Investigation of Infection Threads in Sesbania rostrata Stem Nodules Induced by Sinorhizobium sp. Strain MUS10

  • Krishnan Hari B.
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.49 no.4
    • /
    • pp.316-324
    • /
    • 2004
  • Sinorhizobium sp. strain MUS10 forms nitrogen-fixing stem nodules on Sesbania rostrata, a tropical green manure crop. In this study, the ultrastructural events associated with the formation of stem nodules were investigated. Sinorhizobium sp. strain MUS10 entered the host tissue through cracks created by the emerging adventitious root primordia and multiplied within the intercellular spaces. During early phases of infection, host cells adjacent to invading bacteria revealed cellular damage that is typical of hypersensitive reactions, while the cells at the inner cortex exhibited meristematic activity. Infection threads were numerous in S-day-old nodules and often were associated with the host cell wall. In several cases, more than one infection thread was found in individual cells. The junction at which the host cell walls converged was often enlarged due to fusion of intracellular branches of infection threads resulting in large infection pockets. The infection threads were made up of a homogeneous, amorphous matrix that enclosed the bacteria. Several finger-like projections were seen radiating from these enlarged infection threads and were delineated from the host cytoplasm by the plasma membrane. As in Azorhizobium caulinodans induced root nodules, the release of Sinorhizobia from the infection threads into the plant cells appears to be mediated by 'infection droplets'. A 15-day­old Sesbania stem nodule revealed typical ultrastructure features of a determinate nodule, containing several bacterioids within symbiosomes.

A Study of Smoke Movement in an Enclosed Corridor. (밀폐된 복도 공간내의 연기 거동에 관한 연구)

  • 김성찬;유홍선;정진용;김충익
    • Fire Science and Engineering
    • /
    • v.13 no.2
    • /
    • pp.18-25
    • /
    • 1999
  • There are a lot of works for predicting smoke movement in a building experimentally and m numerically. It is Vel${\gamma}$ important to predict a smoke movement in a corridor which is c connected to adjacent spaces. A numerical analysis of smoke movement in an enclosed c corridor is perlormed by a field model. The used field model is develo야d with 3-D u unstructured meshes, PISO Algorithm and buoyant plume model. In this study, tern야~ature a and flow field, some important p하ameters such as smoke spread time, hot layer temperature, c ceiling jet velocity were compared with experimental data which were perlormed in Korea I Ins디tute of Machinery and Materials. And average velocity of ceiling jet by this study is c compared with Hinkley's formula. This paper shows a flow characteristic around the soffit a and average velocity of ceiling jet is i따luenced by geometry of corridor, heat output, and d distance from the fire source.

  • PDF