• Title/Summary/Keyword: 화재확산 방지구조

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Effect of External Thermal Insulation Composite System with a Non-combustible Calcium Silicate Based Mineral on The Mitigation for Reducing Fast Spread of Flame (불연성 무기 단열재를 화재확산 방지구조로 적용한 외단열 마감시스템의 화재성능)

  • Lee, Jong-Chan;Park, Jong-Chul;Song, Hun
    • Journal of the Korea Institute of Building Construction
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    • v.16 no.5
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    • pp.397-403
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    • 2016
  • As a building energy saving standard strengthened, The number of building installed external thermal insulation composite system(ETICS) using EPS insulation increased. But frequent fire accident in the buildings installed EIFS using EPS led to strengthening of building fire safety regulation. This study is for fire property of EPS ETICS reinforced with noncombustible calcium silicate-based mineral insulation as a fire spread prevention structure(FSPS). Fire test for large scale wall by ISO 13785-2 was applied and results showed EPS EIFS with FSPS got 3~8 times superior fire safety than normal EIFS by visual investigation. Temperature and heat flux measurement results, which data of upside of specimen were lower than downside, also supported fire safety of EIFS with FSPS.

A Study on Flash Over Delay Effects on Applied Plate-Fire Spread Prevention Method at Sandwich Panels Structure (샌드위치패널 건축물 플래시오버 지연을 위한 화재확산방지플레이트 시공방법 연구)

  • Kim, Do-hyun;Cho, Nam-Wook
    • Fire Science and Engineering
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    • v.31 no.3
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    • pp.79-87
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    • 2017
  • Sandwich panels which are having the both sides are bonded with a heat insulating material with an iron plate are used as factories, warehouse structures as advantages of convenience in construction at economic efficiency of material cost. However, in a panel structure constructed by continuous joining of sandwich panels, a joint portion where a panel and a panel are connected is generated. The joint part is a part which is easily vulnerable to fire because flames easily flow into the melting and deformation of the iron plate during fire. The flames flowing into the panel induce diffusion of fire by rapid burning, causing damage of human life and property. In this research, we developed a flame spread prevention plate to prevent spreading of sandwich panel. This is an improvement of the workability by the anti-spreading construction method of the existing previous research, it can be applied independently to the connecting part where the panel and the panel are coupled, designed to prevent inflow and spreading of flame did. The actual fire test of the test method of KS F ISO 13784-1 of the sandwich panel specimen was conducted and the burning behavior corresponding to the presence or absence of application of the flame spread prevention plate was grasped at the panel connection part and its effect was measured. Inserting a fire spreading plate into the test result panel connecting part is measured by delaying the flashover, prevention of collapse of the specimen, and temperature rise of the opening, effectively improving the fire safety of the panel structure It was confirmed as a method that can be secured. It is judged that panel structure will contribute to ensuring fire safety by applying the fire spread prevention construction method of various methods ensuring the workability and economy of panel connection vulnerable to fire.

Experimental Study on the Flash Over Delay Effects according to the Prevention of Flame Spread between Composite Material Panels (복합자재의 패널 간 화염확산방지에 따른 플래시오버 지연 효과에 대한 실험적 연구)

  • Kim, Do-hyun;Cho, Nam-Wook
    • Fire Science and Engineering
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    • v.31 no.2
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    • pp.1-8
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    • 2017
  • A sandwich panel is a composite material composed of a double-sided noncombustible material and insulation core which is used in the inner, outer walls, and roof structure of a building. Despite its excellent insulation performance, light weight and excellent constructability, a flame is brought into the inside of the panel through the joint between the panels, melting the core easily and causing casualties and property damage due to the rapid spread of flame. The current Building Law provides that the combustion performance of finishing materials for buildings should be determined using a fire test on a small amount of specimen and only a product that passes the stipulated performance standard should be used. This law also provides that in the case of finishing materials used for the outer walls of buildings, only materials that secured noncombustible or quasi-noncombustible performance should be used or flame spread prevention (FSP) should be installed. The purpose of this study was to confirm the difference between the dangers of horizontal and vertical fire spread by applying FSP, which is applied to finishing materials used for the outer walls of buildings limitedly to a sandwich panel building. Therefore, the combustion behavior and effects on the sandwich panel according to the application of FSP were measured through the construction to block the spread of flame between the panels using a full scale fire according to the test method specified in ISO 13784-1 and a metallic structure. The construction of FSP on the joint between the panels delayed the spread of flame inside the panels and the flash over time was also delayed, indicating that it could become an important factor for securing the fire safety of a building constructed using complex materials.

A Study on Flame Spread Prevention of Sandwich Panel (복합자재 화재확산방지구조에 대한 연구)

  • Cho, Nam-Wook;Kim, Do-Hyun;Shim, Ji-Hun
    • Fire Science and Engineering
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    • v.29 no.6
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    • pp.84-90
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    • 2015
  • Multi-layered material (sandwich panel) consists of double-sided steel plate which is incombustible material or similar material and core material which is not incombustible material. In case of sandwich panel which uses combustible material as insulation, flames spread inside the steel plate at the time of fire so that it is difficult to extinguish fire from the outside and flames spread rapidly and may cause the building to collapse. The current Building Act requires the sandwich panel to secure fire-retardant performance according to the purpose and size of building. In this study, the fire spreading prevention structure applied to partial exterior walls was applied to multi-layered material and its effect was measured through full scale fire test and the possibility to secure fire safety of buildings by applying the fire spreading prevention structure to multi-layered material in future was presented.

A Study on the Recording Technology of Fire Propagation Prevention Wall Using Horticultural Plants (원예식물을 식재한 화재확산 방지용 벽면녹화 기술연구)

  • Moon, Jong-Wook;Lim, Seo-Hyung
    • Journal of the Society of Disaster Information
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    • v.14 no.2
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    • pp.107-114
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    • 2018
  • Purpose : This study is to develop walls using wall recording technology applied on roofs to prevent fire spread in traditional markets. Method : The spray head installed on the developed wall was designed so that the fire does not spread to adjacent buildings after being used for plants. In addition, a spray head was attached to the upper section and some sections for the growth of plants planted on the wall to prevent the spread of fire. Results : These technologies suggested the development of walls that can be installed at the upper level of buildings, such as traditional markets, and separate isolation facilities were not necessary because they are integrated with structures and sprinklers. In addition, sprinklers can perform both the plant spray and fire spread prevention functions. It is believed that this is the only alternative technology proposed in Korea to prevent the spread of fire. Conclusion : In this study, the wall design, designed directly to derive the quantitative performance of the fire spread reduction effect, demonstrated the fire suppression method of the wall system, the durability of the wall itself, and the flame retardability performance.

The Real Scale Fire Tests for Vertical Fire Spread Study of External Finishing Material (외벽 마감재료의 수직화재 확산 연구를 위한 실물화재 실험)

  • Kweon, Oh-Sang;Yoo, Yong-Ho;Kim, Heung-Youl;Kim, Jung-Hyun;Min, Se-Hong
    • Fire Science and Engineering
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    • v.26 no.6
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    • pp.85-91
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    • 2012
  • To reduce human life and property damage at the fire in a building, it is most critical to control flame spread in the early stage. Fire spread prevention measure generally includes fire resistance performance securing of structure member in the arson zone and use limitation based on combustion performance of finishing material. The latter is most fundamental fire safety design to determine flame spread, but domestic combustion test determines combustion performance by specimen sized fire test method. Thus, there are many restrictions in the determination of combustion performance by composite material such as sandwich panel. Especially, outer finishing material uses a variety of composite material such as dry bit, aluminum composite panel, and metal panel compared to inner finishing material. Therefore, this study would determine vertical fire spread features by a full scaled fire experiment through the test method of ISO 13785-2, an international test standard.

A study on Improvement of performance criteria for fire door (방화문의 성능기준 개선방안에 관한 연구)

  • Jeon, Jun-Pyo;Jeon, Soo-Min;Cho, Nam-Wook;In, Ki-Ho;Rie, Dong-Ho
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 2010.10a
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    • pp.3-6
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    • 2010
  • 현재 국내 건축물은 화재 확산을 방지하기 위하여 규모 및 용도에 따라 방화구획을 설치하여 화재시 피해를 최소화 하고자 건축법에서 성능기준을 규정하고 있다. 그러나 방화구획으로 사용되는 제품 및 구조는 평가기준이 미흡하여 일정시간 이상의 방화구획을 형성할 수 있으나 복사열로 인한 화재확산에 대한 위험성은 평가되고 있지 않다. 본 연구에서는 방화문의 비차열 성능기준에 포함되지 않은 복사열에 대하여 방화문의 구조 및 재료별 복사열을 측정하고 복사열에 의한 위험성과 성능기준 추가의 중요성을 제시하고자 한다.

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An Experimental Study on the Radiant Heat of the Firedoors in Fire (화재시 방화문의 복사열에 관한 실험적 연구)

  • Jeon, Jun-Pyo;Jeon, Soo-Min;Cho, Nam-Wook;In, Ki-Ho;Rie, Dong-Ho
    • Fire Science and Engineering
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    • v.25 no.3
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    • pp.8-13
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    • 2011
  • The fire compartments which are composed of fire walls and fire doors for buildings are compulsorily required to minimize the fire damage in Korea. The performance standards of fire doors for compartments are regulated by the notification of the ministry of land, transport and maritime affairs and are mainly about the Integrity of the doors not insulation. In this study, we measured the radiant heat of six different kinds of fire doors in fire and analyzed the results and presented the reasons of the need to consider adding the radiant heat standard for fire doors to the notification.

A Proposal about the Vertical Fire Suppression Methods of High-rise Buildings (초고층 수직화재의 진압방법에 대한 제안)

  • Min, Se-Hong;Bae, Yeon-Jun;Nam, Yu-Hyeon
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 2012.04a
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    • pp.163-166
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    • 2012
  • 최근 국내 대도시를 중심으로 초고층건축물이 계획 건립되고 있으며, 그에 따라 국내 외적으로 초고층건축물 화재가 빈번하게 발생하고 있으나, 현재 국내 소방기술은 그에 대한 어떤 확실한 대안도 갖고 있지 못하다. 2010년 발생한 부산 해운대 우신골든스위트 화재사례를 통해 고층건물 화재진압의 부진했던 주된 원인과 문제점이 분석되면서, 최근 국내 고층건축물의 화재를 대비한 관련법(건축법, 소방법 등)들이 제정되고 있다. 그러나 아직도 고층건축물에서의 화재진압방법, 인명구조 및 소방진압장비의 연구 개발의 성과가 부족하다. 본 연구에서는 초고층건축물의 외장재를 통한 수직화재 확산방지를 위한 보다 효과적인 진압방법과 인명구조방법을 제안하고자 한다.

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방화문의 구조설계

  • Korea Institute of Registered Architects
    • Korean Architects
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    • no.6 s.66
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    • pp.36-42
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    • 1974
  • 설계가 잘 되어있는 문은 사람이나 물건의 출입에 큰 지장을 주지않고 분리, 차음 및 안전등의 제기능을 충분히 발휘할 것이다. 화염이나 연기의 확산을 조지시키는 일은 안전상 가장 중요한 일 중의 하나이다. 건물의 여러곳에 위치한 문의 기능, 성능의 평가방법과 기준등은 전세계에서 논의의 대상이 되고 있다. 건물의 각부분은 내화구조구획에 의해 각각 분리될 수 있으며, 각 구획을 통하는 개구부는 화재시 자기의 기능을 충분히 발휘할 수 있는 문에 의해 차단될 수 있다. 첫째, 문은 그 문이 위치한 벽체에서 화재차단의 효과를 가져야 하며, 둘째, 피난통로의 안전을 조해하는 연소부산물이 침투하는 것을 방지하여야 한다. 그러므로 모든 방화문은, 건물에서 그 위치의 정도에 따라 연기와 화재의 확산을 막는 장벽으로서의 역할이 요구된다. 본 내용은 현재 논의되고 있는 상황에 대한 영국건축연구소의 연구보고서의 요약 소개이다.

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