• 교육시설 논문지
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• 제21권2호
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• pp.33-39
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• 2014

In the case of low-rise buildings in seismic performance evaluation, lateral force resistance of the pillars affects the seismic performance of the building. Evaluation of the seismic performance of the column is determined by the holding performance is evaluated by comparing the shear strength and bending strength it was destroyed bylow intensity. In case of the school building, in order to install the large windows for ventilation and lighting of the partition walls are located between the pillars. The case of the pillars of these, shear failure occurs in the event of an earthquake is often, in the seismic performance evaluation, partition wall and the wall of the shim is evaluated ignoring, pillar of the general pillars If you have to calculate the results of the seismic performance distorted that are destroyed by bending behavior can be evaluated as often. Results of the study, when assessed by distinguishing the effective length of the column, it was found that when a seismic load is applied, it is possible to accurately predict the failure mode, reliable results of seismic performance evaluation of the school building.

• 한국화재소방학회논문지
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• 제34권2호
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• pp.14-21
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• 2020

본 논문은 ISO 9705 2/5축소모델 2개를 실내 공간구획에 사용되는 경량칸막이를 이용하여 구획 한 후 ISO 9705 시험을 재현하여 이면부로의 화재위험성에 관한 연구이다. 실험 시료는 시공 시 가장 많이 사용되고 있는 SGP 칸막이, 스터드 칸막이, 그라스울 패널, 우레탄폼 패널, 샌드위치 패널, 유리 칸막이를 선정 하였고, ISO 9705시험 기준에 따라 버너에 점화 전 측정 장치와 데이터의 기록을 시작하여 120 s간 유지시켜 안정화를 취하고, 점화 후 600 s 동안 100 kW, 이후 600 s 동안 300 kW까지 증가하였다가 종료 후 180 s동안 관찰하여 이면부로의 화재 위험성 및 벽체의 화재 패턴을 분석하였다. 점화원에서 발생된 열량으로 인한 최대 이면온도는 SGP 칸막이 67.7 ℃, 스터드 칸막이 55.1 ℃, 그라스울 패널 52.4 ℃, 샌드위치 패널 727.4 ℃, 우레탄폼 패널 561 ℃, 유리 칸막이 630.5 ℃로 측정되었다. 샌드위치 패널과 우레탄폼 패널의 경우 내장재에 용융으로 인한 가연성 가스의 폭발 현상이 발생하였고 강화유리는 수열부와 비수열부의 온도차이로 인하여 유리가 파열되며 인접구획실로의 화재 위험성이 높은 것으로 판단된다.

• 한국전산구조공학회:학술대회논문집
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• 한국전산구조공학회 2001년도 가을 학술발표회 논문집
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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.

• 설비공학논문집
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• 제4권3호
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• pp.217-232
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• 1992

A Numerical study on two-dimensional laminar natural convection with and without surface radiation in fully or partially open square cavity was performed. The cavity has one vertical heated wall facing a vertical opening and two horizontal insulated walls. The pressure boundary condition was applied to the opening instead of the velocity boundary condition. The results of this study showed that the increase of partition length decreased the convective and the radiative Nusselt numbers. It was also found that the increase of wall emissivity decreased the convective Nusselt numbers but increased the radiative Nusselt numbers.

• KIEAE Journal
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• 제14권1호
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• pp.83-89
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• 2014

The residents' demand for the comfortable life is promoting development of wall and window which has high sound insulation performance. To develop wall system, various aspects should be considered on the environment, material, construction and structure. Especially focusing on the acoustical view, the economical solution is one of the most critical point. Recently the interest on the partition wall is being increased, because it is useful for the Rahmen type apartment which is considered as an alternative to reduce floor impact sound. This study examines simplified measurement method of airborne sound insulation applied small size specimen, in order to save money to be used for the standard specimen then to promote the development process. The results showed that the simplified method could be effective for the wall system the sound insulation performance upto Rw 50 dB, and for the judgement of rank order of sound insulation performance of the similar wall type while developing.

• 한국화재소방학회논문지
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• 제30권6호
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• pp.71-77
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• 2016

핸드폰 충전기 내 커패시터의 전해액이 전원 입력단자로 누출되고 PCB 기판에 트래킹이 발생하여 탄화도전로가 형성되는 것을 확인하였다. 트래킹이 발생하는 원인을 구조적으로 분석한 결과, 전원 입력단자와 PCB 기판이 커넥터를 이용하여 직결되는 경우에 발생하였다. 커패시터에서 누출된 전해액이 전원입력단자로 흘러 들어가는 양이 많을수록, 전원입력단자의 플러그 핀 사이에 설치된 격벽의 높이가 낮을수록 트래킹 발생율이 높았다. 이에 따라 충전기 내 트래킹 발생율을 낮추기 위해서는 누출된 전해액이 전원입력단자로 흘러 들어가지 않도록 커패시터에 격벽을 설치하거나, 전원입력단자에 설치된 격벽의 높이를 높일 필요가 있다. 또한, 전원 연결단자와 맞닿아 있는 PCB기판의 형태를 ${\Pi}$로 변경한다면 트래킹 발생율이 더욱 줄어들 것으로 판단된다.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2004년도 춘계 학술발표회 제16권1호
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• pp.404-407
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• 2004

The construction of high-rise buildings is increased. The Vertical Member of tall buildings is inherently shortened and it causes several seriously problems such as tilting of slab, crack within partition wall, deformation of curtain wall. This also affects structural stability by inducing unexpected stress to the structural members such as outrigger. In this study, the column shortening according to revised field information and to compare the analysis results the actual field measurement. Pusan The $\#$, a 51-story apartment building which is currently under construction was chosen for the case study.

• 한국실내디자인학회:학술대회논문집
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• 한국실내디자인학회 2006년도 춘계학술발표대회 논문집
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• pp.63-64
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• 2006

The design concept of this dental clinic Interior design is emotional color expression for the medical facility. This dental clinic is showing off the new adoption of the Korean primary traditional color pallette for the medical interior design. The graphic wall of the corridor is strongly attracting the eyes of customers while wrapping the corridor wall and partition with rather unconventional primary colored graphic shaping a tooth. Also the vivid and the dynamic atmosphere are emphasized by using the red color in the treatment area and the powder room. For the space programing, I focused on the functionality of each space and the efficiency of the traffic line. Centering around the information desk, the principal traffic line Is divided Into the staffs' private movement and the public movement.

• 한국전산유체공학회지
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• 제3권2호
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• pp.1-8
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• 1998

We make use of cubic B-spline interpolation function in two cases: heat conduction and fluid flow problems. Cubic B-spline test function is employed because it is superior to approximation of linear and non-linear problems. We investigated the accuracy of the numerical formulation and focused on the position of the breakpoints within the computational domain. When the domain is divided by partitions of equal space, the results show poor accuracy. For the case of a heat conduction problem this partition can not reflect the temperature gradient which is rapidly changed near the wall. To correct the problem, we have more grid points near the wall or the region which has a rapid change of variables. When we applied the unequally spaced breakpoints, the results show high accuracy. Based on the comparison of the linear problem, we extended to the highly non-linear fluid flow problems.

• 한국실내디자인학회논문집
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• 제25권2호
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• pp.30-40
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• 2016

This study analyzed the attention concentration tendencies of one(1) subject who showed convergent exploratory acts actively through the gaze-brainwave measurement experiment of cafe space images and our research findings are as follows. First, the areas of interest (AOIs) that the subject gazed visually by paying attention to it and concentrating on it at a cafe space include counter&menu area, sign area, partition area, image wall area, stairs area, and movable furniture area, and built-in furniture area: seven areas in total. Second, conscious gaze frequency appeared the highest in counter&menu area, and conscious gaze appeared more later than in initial times. Third, conscious gaze pattern was divided into the zone that explored various areas dispersely (distributed exploratory zone) and the zone that explored between particular areas concentratedly (intensive exploratory zone). Fourth, as a result of analyzing the brainwave attention concentration, it was found that the attention concentration in prefrontal lobe (Fp1, Fp2) and frontal lobe (F3, F4) rose to a higher level in the zone of 15 to 16 seconds and this time zone was considered to be a zone where gazing at counter&menu area was very active. In addition, the attention concentration appeared higher in the initial zone than in the later zone, among the entire experimental time zones. Finally, as a result of analyzing the changes in activation by brain portion of the SMR wave expressed when maintaining the arousal and attention concentration, it was found that the right prefrontal lobe and the frontal lobe became activated in the time zone when the intensive exploration of "counter&menu area" and "movable furniture${\leftrightarrow}$built-in furniture area" had occurred and the time zone when the intensive exploration of "image wall${\leftrightarrow}$partition area" and "counter&menu${\leftrightarrow}$sign area" had occurred.