• Title/Summary/Keyword: 방수설계

Search Result 123, Processing Time 0.032 seconds

Overseas - Parametric DesignX (해외건축동향: 미국 - 파라메트릭 디자인X)

  • Sung, Woojae
    • Korean Architects
    • /
    • s.570
    • /
    • pp.108-111
    • /
    • 2016
  • 이번 회 및 다음 회 두 회에 걸쳐서 파라메트릭 툴이 건축 설계 및 시공 과정에서 디자인 툴로써 뿐 만이 아니라 설계를 진행하기 위해 주어진 설계 초기 조건을 분석하는 과정 및 시공과정에서의 시행착오와 오차를 줄이기 위한 pre-construction 등에 다양하게 사용되는 경우를 살펴보도록 하겠습니다. 본 프로젝트는 SHoP Architects에 재직 당시 작업하였던 Barclays Center의 Green Roof 프로젝트이며 경기장 안 이벤트나 경기가 벌어질 경우 주변에 들어서는 고층 주거 빌딩 및 기존 주거지역의 소음을 저감하기 위한 일차적 목적과 기존의 방수층이 노출된 지붕의 미관상(fig.01)의 이차적인 목적으로 다른 한 겹의 지붕 층을 추가하는 프로젝트였습니다.

  • PDF

Optimum design of injection mold heater for uniform curing of LSR seal for waterproof connector (방수 커넥터용 LSR Seal의 균일 경화를 위한 사출 금형 히터의 최적 설계)

  • Song, Min-Jae;Cha, Baeg-Soon;Hong, Seok-Kwan;Ko, Young-Bae
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.18 no.7
    • /
    • pp.310-315
    • /
    • 2017
  • Automotive waterproof connectors are highly functional parts that must be air-tight in a complex environment. In the LSR multi-cavity injection molding process for manufacturing waterproof connectors, it is important to maintain a uniform curing temperature between the cavities in order to obtain a quality product. For this purpose, we designed the capacity of the cartridge heater differently for each position, and then linked the heat transfer analysis and optimization module to obtain the optimal cartridge heater capacity. As a result of the optimization analysis, the temperature deviation between cavities was decreased from $13.1^{\circ}C$ to $8.1^{\circ}C$ compared with the case in which constant heater capacity was applied, so that the design criterion could be satisfied within a temperature deviation of $10^{\circ}C$ for uniform curing. This study suggests that this method can be applied efficiently to the design of a large area multi-cavity LSR mold heater.

Experimental Study on Seismic Performance Evaluation of Lake Dike Structures under Earthquake Loading (지진하중에 의한 방수제 구조물의 내진성능 평가를 위한 실험적 연구)

  • Shin, Eun-Chul;Kang, Hyeon-Hoe;Kim, Tae-Jin;Chae, Young-Su;Park, Jeong-Jun
    • Journal of the Korean Geosynthetics Society
    • /
    • v.10 no.3
    • /
    • pp.53-62
    • /
    • 2011
  • This paper presents the characteristics behavior of dike structure and foundation ground through the shaking table model test. The vibration loadings of design earthquake acceleration of 0.154g was applied to this laboratory model test regarding on dike structure and foundation ground under the structure. The model was formulated with 1/100 design of representative cross section for evaluating the effectiveness of vibration. Based on the test results, we can analysis the behavior of lateral displacement and settlement characteristics of structure under the earthquake loading. The pore water pressure was also monitored in the upper, middle and lower layers of ground. Finally, the actual displacements and pore water pressure of the structure can be predicted by using the results of the laboratory shaking table test.

Leakage Situation and Main Leakage Areas of Domestic Residential Building Underground Parking Lots (국내 공동주택 지하주차장의 누수 실태 및 주요 누수 부위 조사)

  • Lee, Jung-Hun;Song, Je-Young;Oh, Sang-Keun
    • Journal of the Korean Recycled Construction Resources Institute
    • /
    • v.4 no.4
    • /
    • pp.496-503
    • /
    • 2016
  • This paper studies the leakage situation of domestic residential building underground parking lots and main leakage areas. 18 complexes were studied and the results showed that 80% of buildings with exterior waterproofing had no leakage, but all buildings with interior waterproofing had leakage. According to a survey among professionals, water leakage problems are considered to be severe in underground parking lots and a preventative measure is required by the government. By comparing the survey and the actual situation at hand, the results showed that the lowest floor slab, wall construction joints, and floor expansion joints were the most prone to leakage. Based on the results, further study to develop a design manual for the appropriate prevention of leakage is deemed necessary.

A Study on the sealing Characteristic of Automobile Waterproof Connector (자동차용 방수커넥터의 밀봉특성에 관한 연구)

  • Ko, Young-Bae;Park, Hyung-Pil;Lee, Jeong-Won;Cha, Baeg-Soon
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.15 no.4
    • /
    • pp.1859-1864
    • /
    • 2014
  • Liquid silicone rubber(LSR) has been applied to various products such as electronic devices owing to its excellent thermal and chemical resistance. Hyperelastic materials, however, have properties distinguished from general metal materials. Hyperelastic materials show elastic behaviors in the range of large deformation in which load has the nonlinear relation with deformation. In addition, they have characteristics of nonlinearity, incompressibility, in large scale. On account of such characteristics, there are many difficulties in design and production using these materials. In this study, the load-deformation relation obtained from tension and compression tests was applied to finite element analysis in order to design waterproof connectors for automobiles. Furthermore, the effectiveness of the finite element analysis was confirmed by comparing the results of analysis with those of performance tests.

Design of Interface Specification for Smart Buoys in Maritime Environment (해상 환경에 적합한 스마트 항로표지용 인터페이스 규격 설계)

  • Junsu Kim;Yangseop Kim;Sungyoon Cho;Donghyun Kim;Kiwon Kwon
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • 2023.11a
    • /
    • pp.180-181
    • /
    • 2023
  • 본 논문은 해양 환경에서 항로표지 내에 탑재되는 등명기, 배터리, BMS, 통신장치 등의 전원 공급 및 각 모듈들 간의 유선 데이터 통신에 사용할 수 있는 커넥터 인터페이스 규격을 제시한다. 제안하는 규격은 M12 커넥터 규격을 이용하여 내구성을 확보하고 방수방진을 지원한다. 이를 통해 극한의 온·습도에 노출되며 태풍, 파도 등의 변수가 많은 해양 환경에서의 안정적인 연결성 유지를 기대할 수 있다.

  • PDF

Design Guide of Surface and Watertight LED Luminaires for Naval Vessels (함정용 노출.방수형 LED 조명기구의 설계 방안)

  • Kil, Gyung-Suk;Kim, Il-Kwon;Cho, Hyang-Eun;Kwon, Hyuk-Sang;Cho, Heung-Gi
    • Journal of Advanced Marine Engineering and Technology
    • /
    • v.35 no.5
    • /
    • pp.654-660
    • /
    • 2011
  • This paper dealt with a design guide of LED luminaires to replace the surface and watertight fluorescent lamp (FL) fixtures for naval vessels. Several standards such as Korean Industrial Standard (KS), Korea Defence Standard (KDS) and US Military Standard (MIL) were compared in terms of safety and performance of lighting fixtures. The electrical and optical characteristics like power consumption, total luminous flux, and illumination distribution of the FL fixtures were experimentally analyzed to acquire design rules for LED luminaires. Based on the results, four types of LED luminaires were fabricated, and we proposed a design guide of LED luminaires for naval vessels which save power consumption of 44~51 [%] and increase total luminous flux of 8~13 [%].

Development of a Drainage System to Mitigate Moisture Damage for Bridge Deck Pavements (교면포장의 수분손상 저감을 위한 체류수 배수공법 개발)

  • Lee, Hyun-Jong;Kim, Hyung-Bae;Seo, Jae-Woon
    • International Journal of Highway Engineering
    • /
    • v.9 no.2 s.32
    • /
    • pp.129-140
    • /
    • 2007
  • A major purpose of this study is to develop a drainage system that can quickly drain water penetrated into pavement layers to mitigate pot holes which is one of the major distress types in bridge deck pavements. This system can be established by applying a thin drainage layer between waterproof and pavement layers. The most important elements for this system are the performance of waterproof layer and construction technique for the thin drainage layer. The porous asphalt mix with the maximum aggregate size of 10mm is first developed based on the porous asphalt mix design guide proposed by NCAT, and various physical and mechanical tests are performed to confirm that the porous mix satisfies all the specification requirements. In addition, a series of laboratory tests including low-temperature bending and bonding strength tests for the MMA(Methyl Methacrylate) type of waterproofing material. It is observed from the tests that the MMA material satisfies all the specification requirements. To evaluate the Reld performance of the drainage system, a field study has been conducted on a relatively small size bridge. The QC/QA tests are conducted on the both waterproofing and pavement materials. It has been found that the drainage system works well to drain the water penetrated into the pavement layers.

  • PDF

A Study on the Determination of Optimal Location and Size for Underground Sluiceway Design (지하방수로 설계를 위한 적정 위치선정 및 규모 결정에 관한 연구)

  • Lee, Jong-Tae;Lim, Taek-Sun;Hur, Sung-Chul;Park, Sang-Sik
    • Journal of the Korean Society of Hazard Mitigation
    • /
    • v.8 no.5
    • /
    • pp.137-145
    • /
    • 2008
  • In this study, to reduce the flood damage caused by flood discharge exceeding project flood, the primary technology was applied to determining the optimal location and size for underground sluiceway. The Jungrang Stream was selected for this study because the stream was overflowed and the embankment section of the stream was destroyed owing to localized torrential rainfall in 1998 and 2001. Considering 200-year frequency storm, the inlets of the underground discharge channel were located at Seoul City limits, the confluence of Danghyun Stream, Wolgye 1-gyo, and the confluence of Mukdong Stream. The outlets were located at the estuary of Jungrang Stream and rightbank of Banpo Bridge in Han River. The transverse discharge according to the variation of overflow depth at the inlet of underground discharge channel was estimated and the effect of inundation reduction was analyzed. To examine the appropriate scale of the underground discharge channel, the 8 operation methods for the management of outlet discharge were compared considering four rules (only storage, the constant discharge rate, the constant discharge volume, and the mixture of the constant discharge rate and discharge volume). As a result, the effect of inundation reduction was most significantly improved when the inlet was located at the confluence of Danghyun Stream. The appropriate size of underground sluiceway for 200-year frequency storm was studied, and as a result, the appropriate diameters of the underground discharge channel were 12 m in case of only storage(Rule D), 9m in 50% of discharge(Rule E), 8 m in constant discharge volume(Rule F), and 7 m in mixture method(Rule G). This investigation process can be applied to design the underground discharge channel when the inundation damage is significant in coastal area due to embankment overflow. The underground discharge channel in Jungrang Stream can also be used as an underground road to link Seoul City to Uijeongbu City during dry season.

A Design of the Cat's Eye System with Low Power Consumption Using Solar Energy (태양광을 이용한 저전력의 LED 표지병 설계)

  • Kim, Keun-Sik;Kim, Jong-Hoon
    • Journal of Digital Convergence
    • /
    • v.14 no.1
    • /
    • pp.181-187
    • /
    • 2016
  • Typical Retro-reflectors installed on road have problems such as limiting a driver's visibility at night when it is foggy or rainy. On the other hand, LED illuminated studs, called cat's eye system, extends a driver's visibility under these conditions. In this paper, we present a design of the LED cat's eye system using solar energy that can sustain vehicles with about 30-ton weight and is compliant with the IP68 code for water proof as IEC standard 60529. In addition, we propose a scheme of designing a LED driving circuit consuming low power to take into accounts cold weather or rainy season with limited sunlight. This LED cat's eye studs is currently installed and used on expressway and bike route nationally as well as overseas.