• The Journal of the Convergence on Culture Technology
• /
• v.9 no.4
• /
• pp.617-623
• /
• 2023

Among the fire incidents in Korea over the past decade, building fires are the most common, and property and human casualties are the most common. However, the existing fire fighting system does not only inform the location of emergency exits and guide safe routes to help casualties evacuate smoothly. A system was proposed to help successful evacuation by distinguishing vertical and horizontal characteristics using spatial characteristics. In this study, an effective evacuation system was proposed by predicting fires using temperature detection sensors and smoke sensor values, and calculating the optimal evacuation path through the Dijkstra algorithm.

• Fire Science and Engineering
• /
• v.27 no.4
• /
• pp.35-40
• /
• 2013

This study investigated the evacuation characteristics of student of elementary school with single unit fireproof shutter. In particular, we gathered the data about fireproof shutter and checked the data. And we made comparison and did an analysis of the evacuation characteristics of elementary school student according to working of single unit fireproof shutter for fires. As a result, it took the last occupant 130 seconds to escape from the school with no fire shutter case. But it took time 190 seconds to escape when the single unit fireproof shutter worked. Some of elementary school students could not open the door installed on the shutter when the single unit fireproof shutter worked. Considering this circumstance, it can be led to time delays of escaping when the single unit fireproof shutter work. And many students can be exposed to the fire hazards. Therefore, the study on the power to open the door installed on the shutter must be done in the future.

• Journal of Korean Tunnelling and Underground Space Association
• /
• v.17 no.3
• /
• pp.215-226
• /
• 2015

In this study, with variables the cross section area ($97m^2$, $58m^2$, $38m^2$) and the wind velocity(0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5 m/s), the time of getting off train dependent on the way of itself and the width of the evacuation route was analyzed, and also fire and evacuation characteristics is reviewed by cross section area of each wind velocity. As the result, if cross section become smaller, the density of harmful gases in the tunnel increased more than the ratio of decreasing cross section area. In the case of small cross sectional area, the surrounding environment from initial fire is indicated to exceed the limit criteria suggested in performance based design. In the analysis of effective evacuation time for evacuation characteristics, the effective evacuation time was the shortest in the case of evaluating effective evacuation time by the visibility. Also, there was significant difference between the effective evacuation time on the basis of performance based evaluation and the effective evacuation time obtained by analyzing FED (Fractional effective dose), one of the analysis method obtaining the point that deaths occur, against harmful gases.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.21 no.4
• /
• pp.1-8
• /
• 2020

This paper proposes architectural and evacuation recommendations through evacuation experiments of two child care centers with disabilities. To achieve these purposes, a survey on the architectural characteristics and evacuation experiments was carried out. The results were as follows: (1) the child care center with disabilities were located within one kilometer or five minutes from a fire station and 119 safety center, but the architectural characteristics and the ratio of self-moving children in a care center were very different conditions. (2) The evacuation behavior patterns of children with a disability were as follows: hugging a child by a teacher with the arms, walking with hugging and holding the child by a teacher, moving a wheelchair with a helper, and drag-out a cerebral palsied child with a mat wrapping. (3) The speed of the evacuation was fast in the following order: drag-out with a mat wrapping a child with a disability, hugging the child with the arms, walking with hugging and holding child, and moving with a wheelchair. In the case of difficulties in the vertical evacuation, a temporal evacuation area was essential for children with disability.

• Journal of Korean Society for Geospatial Information Science
• /
• v.21 no.3
• /
• pp.27-35
• /
• 2013

This study intends to analyze the accessibility to the evacuation shelters according to pedestrian characteristics for Shinpo-district and Haewoon district, Masan Happo-gu, Changwon, designated as Disaster Risk Districts(Typhoon and Storm Surge Risk Zones) due to the typhoon and surge disasters of the past such as Typhoon RUSA or MAEMI. Evacuation speed was analyzed by dividing the types of evacuees into children, general adults, and the aged people by considering physical conditions. In the case of Haewoon district, currently designated evacuation shelters appeared to be appropriate. But in the case of Sinpo district, over 50% of designated Disaster Risk Districts appeared to be evacuation-vulnerable zones in the case of the aged. Therefore, three additional shelters were designated to complement these problems. The results reveal that the problems about the evacuation-vulnerable zones in the case of the existing designated shelters, appeared to be improved. It is expected that the results, obtained in this study will be utilized to establish the complementary measures to analyze the evacuation risk and solve the problems.

• Journal of the Korea Convergence Society
• /
• v.12 no.1
• /
• pp.177-183
• /
• 2021

This study chiefly aims to clarify optimize evacuation circulation which can be applied to architectural planning through the analysis of educational facilities. On the planning phase, the evacuation circulation of buildings are defined through the zoning of plans and sections based on the functions and purposes. It is very important to consider efficient evacuation circulation under the circumstances of disasters such as fire and earthquake etc, and it is directly related with the lives of people in the educational facilities. This study tries to find out methods can be applied to architectural planning and architectural design through optimized circulation after the analysis and understanding of behavioral characteristics of human.

• Journal of Navigation and Port Research
• /
• v.35 no.3
• /
• pp.213-218
• /
• 2011

This study simulates and compares the evacuation time and characteristics according to the living patterns on board a training ship which was launched in Dec. 2005, on the viewpoint of the various activities being possible on board a cruise ship. Based on interviews with personnels on board, 3 living patterns are set as representative living conditions; Pattern A(all personnels are positioned at their cabins), Pattern B(all personnels are positioned at lecture rooms, offices or else), Pattern C(all personnels are positioned at restaurant or cafeteria). The simulation results show that Pattern B is comparatively ideal because the evacuation time is short and there is less delay of personnels' movement on each deck. On the contrary, Pattern C is evaluated as the worst because the average evacuation time took more than 360 seconds and the bottle-neck happened at Upper deck. As a result, this study proposes the needs of various countermeasures against the fire and/or disaster, considering the various living patterns on cruiser(s) and/or passenger ship(s).

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.19 no.10
• /
• pp.617-624
• /
• 2018

The purposes of this study are to propose architectural design and evacuation management guidelines for child care center with disabilities. To achieve these purposes, the questionnaire has carried out for director who manage child care center and analyzed the architectural characteristics of child care center for children with disabilities. The results of this study are as follows : (1) 65.3% directors think that less than 30% of children with disabilities in child care center can evacuate by oneself, and 73.2% of child care centers have difficulties for safe evacuation because of more than 50% of children with complex disabilities. (2) The moving or visual impaired children who live more than 2nd floors are need safe refuge areas for waiting in child care centers. (3) The child care centers for children with disabilities which were renovated from housing and multi-family housing have difficulties in vertical evacuating, and needs renovating for promotion of convenience and evacuation of children with disabilities.

• Journal of the Korea Society for Simulation
• /
• v.25 no.3
• /
• pp.41-51
• /
• 2016

In this study, we propose an improved Floor Field Model(FFM) that considers the physical characteristics of pedestrians, i.e., body size, shape, and posture. Also we analyse limits of FFM and features of improved model compared with existing evacuation simulation models. FFM is a typical microscopic pedestrian model using CA, but it does not reflect the physical characteristics of pedestrians. Because of this, FFM is difficult to modeling phenomena such as collision, friction between pedestrians. As a result, FFM calculates a very short evacuation time when compared with the other models. We performed a computational experiment to compare improved model with other models such as FFM, Simulex, Pathfinder in an actual campus building. We carried out a comparison of evacuation aspect according to the change in number of evacuees. Also we compared evacuation aspect by exit. Finally, we confirmed that improved model reflects physical phenomena which were not reflected in FFM. Especially, experimental results were very similar to the Simulex.

• The Journal of the Convergence on Culture Technology
• /
• v.9 no.6
• /
• pp.1081-1087
• /
• 2023

Although the school-age population is continuously decreasing, the number of people eligible for special education is increasing every year. Special schools, which are comprised entirely of students with special education needs, are vulnerable due to restrictions on evacuation in the event of a fire. However, the characteristics of special schools are not reflected in the plans related to firefighting and safety in special schools. In this study, essential items such as placement of helpers were selected through analysis of firefighting and school safety plans and collection of faculty and staff opinions. Afterwards, through analysis of experts' opinions, a basic fire evacuation scenario was presented that reflected the characteristics of special schools. We hope that this scenario will contribute to the development of customized fire evacuation scenarios for each special school in the future.