• Journal of the Korean Institute of Gas
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• 제26권4호
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• pp.18-26
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• 2022

The Korean government is conducting heat-using equipment(industrial boiler) inspection in accordance with the Energy Use Rationalization Act because of the heat-using equipment(industrial boiler)'s risks such as explosion and fire, and safe use and management. This paper aimed to setup the safe and performance vulnerabilities from database based on the inspection results for heat-using equipment(industrial boiler). This study surveyed the inspection results of 1,249 heat-using equipment(industrial boiler) which were failed inspection of heat-using equipment(industrial boiler) from january 2016 to december 2020. And the analysis method is to inform safety and performance vulnerability categories of heat-using equipment(industrial boiler) by statistically analyzing the failure reasons of boiler type and inspection type which are high variance in failure rate. The safety and performance vulnerability categories was abbreviated into 18 cases. And each catagory's main reason for failure was suggested by additional analyzing the opinions of inspectors. This paper would be the basic source and the comprehensive information dealing with the safety and performance vulnerability of heat-using equipment(industrial boiler).

• Journal of Conservation Science
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• 제38권3호
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• pp.192-200
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• 2022

This study aimed for species identification and tree-ring dating and radiocarbon dating of wooden warehous materials excavated from Baengnyeongsanseong in Geumsan. The species of 83 wooden materials were identified as 38 Platycarya spp., 34 Cerris Section, 8 Prinus section, 2 Hard pine, and 1 Kalopanax pictus. After cross-dating of 5 Cerris Section samples with the TSAP program, one Cerris Section chronology (GSQU 1S) was constructed. To identify the exact date, one material which show many tree-ring (GSQU 05) was analyzed by radiocarbon dating using wiggle match. As a result of radiocarbon dating, the outermost edge of east beam (GSQU 05) was found to be A.D. 575-655 or A.D. 665-685. The radiocarbon dating of wooden warehouse material was consistent with the archaeologically estimated date.

• Proceedings of the Korea Water Resources Association Conference
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• 한국수자원학회 2023년도 학술발표회
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• pp.416-416
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• 2023

전 국토의 산지 비율이 높은 우리나라는 산림지의 특성이 수질에도 많은 영향을 미치고 있다. 산림지역의 화재에 있어 산림이 갖는 수질, 토성의 변화와 발생한 연소 퇴적물, 유기물로 인해 수자원에도 악영향을 끼치게 된다. 산불은 단순한 산림지의 자원 유실뿐만 아니라 토양층의 물리적약화와 강수저류 효과를 떨어뜨려, 산불 후 유출의 증가를 보인다. 삼척시의 산불 선행연구에 따르면, 산불 발생 직후, 지역의 직접 유출이 기저 유출보다 높게 나타났다. 이에 따라, 모든 수질인자의 평균 농도는 비발생지역에 비해 발생 지역의 농도가 현저하게 증가하였으며, 이 중 T-N, T-P, SS의 농도가 특히 크게 나타났다. 또한, 계류 수질의 경시적 변화를 분석한 결과, BOD와 COD는 산불 발생 최소 4개월의 기간을 거친 후 점차 안정화하는 모습을 보였다. 다만, 산불로 인해 훼손된 물 환경의 상황을 복구하고자 하는 연구의 데이터가 부족한 실정이다. 따라서 본 연구는 2022년 4월 산불이 발생한 강원도 양구군 양구읍 송청리 비봉산 일대의 산불 유역을 대상으로 산불에 따른 물 환경의 변화를 밝힘으로써 산불로 훼손된 지역의 효과적인 수질 회복과 물 환경 보전 대책 수립을 위한 자료를 제공하고자 수행하였다. 2023년 4월 양구 비봉산의 산불 복구 작업이 본격적으로 시작되는데 복구 전 현재 수질의 상황을 살펴봤다. 조사 지역은 비봉산 일대의 산불 지역과 비발생 지역, 오봉산 일대까지의 유역 출구 총 7개의 지점을 선정하였다. 기본 수질항목은 현장에서 YSI PROPLUS (Mobile Multi Sensor Meter)를 이용하여 측정하였고 채취한 시료는 무균 채수 병에 담아 실험실로 운반하여 SS (Suspended Solids), TP(Total Phosphorus), TOC (Total Organic Carbon) 항목에 대해 수질오염공정시험기준에 의거하여 분석하였다. SS, TOC, t-p의 경우, 지정학적 특성, 산불에 의한 퇴적물들의 변화와 토양의 형태 및 식생의 변화로 인한 결과의 차이를 보였다. 1년이 지난 지금 산불 직후처럼 높은 수치는 보이지 않았다. 그러나 아직 복구 작업이 제대로 진행되지 않아 그 영향에 대해 무시할 정도로 안정화되지 않았다. 본 연구는 산불 발생 후 강우 및 토사유출에 대한 비 산불 지역과의 차이를 살펴봄으로써 수질 오염원으로 작용할 수 있는 가능성을 기초자료로 제공될 것이다. 또한, 수처리 기술개발을 포함한 예방책을 만들어 내는데, 기초자료로 활용할 수 있길 바란다.

• Fire Science and Engineering
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• 제34권2호
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• pp.156-165
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• 2020

In this paper, the application of evacuation delay time (Cognition time + initiation time) and examine the degree of opening of fire doors in households for evaluating evacuation safety and suggest a realistic alternative. In order to proceed with this study, first of all, the preliminary investigation on evacuation safety evacuation of residential-type buildings (Apartment, urban living houses, etc.) among the performance-oriented design targets of Gwangju Metropolitan City, which was implemented until June 2018. Then, for the two representative types that are commonly used among the previously surveyed buildings, evacuation delay time is applied to W1, W2, and respectively simulating the opening of the doors is applied to th full open, 1/4 open, the leakage gap and evacuation safety evaluation was performed. As a result of evaluating evacuation safety was found that it is difficult to secure evacuation safety regardless of evacuation delay time W1 and W2 when the fire door is fully open and 1/4 open, Only when the leakage gap is applied evacuation safety was ensured even if evacuation delay time W2 was applied. Therefore, when a residential building is subject to performance-oriented design, evaluating the application of W2 rather than W1 is considered for evacuation delay time to reflect concern about privacy infringement due to CCTV installation, etc. In order to secure the Smoke blocking performance of the fire door and to improve the performance-oriented design, I would like to propose to consider the method of applying a leak gap to the degree of opening of the fire door. Through this, it is expected that the performance-oriented design will be a step further by performing evacuation safety evaluation with more realistic data.

• The Journal of Sustainable Design and Educational Environment Research
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• 제16권2호
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• pp.19-33
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• 2017

The purpose of this study is to derive education programs for safety training class, create unit spaces and present components and methods of utilizing the spaces for the development of facilities models closely related to various policy, operation plan and facility construction projects promoted by related institutions such as the Ministry of Education, schools, architects and companies. This study is divided into five steps. First, we reviewed the literature related basic directions for safety education and facility plan, second, field survey included both field conditions such as spatial size and facility configuration and analysis of operating conditions like hours of operation and personnel. Base on literature review and field survey, it were used to analyze strengths and weaknesses of existing safety training classes, and five facility models was developed based on the Delphi method and expert participatory design. The result show that the facility models (drafts) of safety training class were developed as follows: (1)the facility model for traffic safety(pedestrian safety, vehicle safety, subway safety) (2)the facility model for first aid(emergency rescue, how to report) (3)the facility model for disaster safety(fire evacuation safety, life earthquake safety) (4)the facility model for elevator safety(elevator safety, escalator safety) (5)the facility model for drugs and violence safety (smoking drinking, sexual harassment safety, food safety) The safety training class can be composed by combining or separating each module according to affordable space size of each school.

• Resources Recycling
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• 제19권3호
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• pp.33-44
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• 2010

In this study, the possibility of utilizing carbide lime waste, obtained from the generation of acetylene process, as a alkali activator of blast furnace slag cement was investigated. The physical and chemical analysis of the carbide lime waste was studied and three types lime waste in order to investigate behaviour as alkali activator were used. Lime wastes were added 0, 10, 20 and 30 wt.% in blast furnace slag and blast furnace slag containing lime waste were added 0, 10, 30 and 50 wt.% in OPC. As a result of analysis of hydration properties, in the case of calcium hydroxide rehydrated after heat treatment at $800^{\circ}C$, it was higher hydration rate than other specimens. For the results of compressive strength test, when lime waste passed 325 mesh sieve and rehydrated calcium hydroxide were used, it was higher compressive strength than OPC from hydration 7days. At OPC50 wt.%-BFS45 wt.%-AA5 wt.% system using lime waste of 325 mesh under, the highest compressive strength appeared.

• 한국방재학회:학술대회논문집
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• 한국방재학회 2011년도 정기 학술발표대회
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• pp.173-173
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• 2011

최근 기후변화로 인한 기상재해 중 건조와 관련하여 인플루엔자, 호흡기질환 등과 같은 질병과 산불발생빈도의 증가로 인해 건강 및 재산상의 피해가 증가하고 있다. 특히, 한반도의 주택지역은 산림지역과 근접하여 산불 발생시 그 피해와 복구비용이 막대한 것으로 나타났다. 뿐만 아니라 향후 지구온난화가 가속화 될 경우 건조와 관련한 환자와 산불로 인한 피해가 증가할 것으로 예상되므로, 이에 대한 사전방재계획 및 복구계획 등이 필요하다. 이와 같은 건조현상 등의 자연재해에 대한 방재계획이 효과적으로 운영되기 위해서는 방재 정보를 인지하고 실천하는 개인의 적극적인 활용이 필요하다. 특히, 개인의 생활에 영향을 미치는 피해는 정부적인 대책보다 개인이 스스로 인지하여 대비함으로써 감소시킬 수 있기 때문에 재해에 대한 개인의 인지정도는 대책마련에 있어 중요한 요인이 된다. 이에 따라, 본 연구에서는 건조로 인한 질병 및 산불 발생 등 기상재해 증가에 대한 사전방재계획의 효과적인 운영을 위하여 설문조사분석을 통한 일반인의 건조특보 인지도 및 활용도 분석을 실시하였다. 또한, 기후가 변화함에 따라 더운 낮과 밤의 증가로 건조현상뿐만 아니라 폭염의 발생빈도도 증가할 것으로 예상되고 있다. 이와 관련하여 기후변화 적응측면에서 국민들의 건조특보 및 폭염특보와 관련한 정보 습득이 잘 이루어지고 있는지를 파악하고자 한다. 이를 위해, 선행연구에서 대학생의 주된 폭염특보 관련 정보습득경로가 TV와 인터넷인 점을 참고하여, 기상청에서 제공하는 건조특보와 폭염특보 발표일수와 TV, 인터넷의 대중매체를 통한 보도회수를 비교 분석하였다. 본 연구를 통해 대학생집단과, 10대, 20대의 저연령층의 인지도가 상대적으로 낮은 것으로 파악되었으며, 이는 대중 매체를 통한 건조특보와 관련한 정보전달의 부족으로 나타났다. 폭염특보와 관련한 언론보도는 기상전달뿐만 아니라, 폭염의 위험성, 폭염으로 인한 피해상황, 폭염특보제 홍보, 폭염과 관련한 대비책 등 다양한 내용으로 기재되었다. 반면에, 건조특보의 경우에는 대부분이 단순 기상전달로 폭염특보에 비해 보도의 다양성이 결여되어 있었다. 차후 대중매체를 통한 이용자들의 접근성을 증대시키기 위해서 신속하고 정확한 정보전달이 필요하다. 산불 및 화재예방과 관련하여 기상청의 정확한 기상정보 제공과 사전방재계획 수립에 대한 필요성을 직업별, 연령별로 구성된 각 집단의 50%이상이 느끼는 것으로 나타났다. 이에 따라, 기상정보 전달의 핵심인 기상청을 중심으로 온라인/오프라인 상의 기초교육부터 체계적인 사전방재계획 및 안전교육 프로그램 마련이 필요하다.

• Journal of Internet of Things and Convergence
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• 제7권4호
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• pp.69-75
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• 2021

This study investigated the status of disaster response, focusing on modern architecture. The modern architecture is drawing more attention and being more used in the local community among the architectural heritage in downtown collective. The railway employee residence area in Soje-dong, Daejeon is a collective building group, and the efforts to evaluate and preserve its historical, cultural, and architectural values have been underway. However, the area is now an undesignated cultural property that does not receive institutional protection. It carries significance in preserving it as a collective building group. Yet, since the main structure is made of wood, the risk of being destroyed by fire or disaster is high, and disaster prevention measures are insufficient. Therefore, this study examined the structural and non-structural conditions such as the arrangement and architectural characteristics of official residence buildings, and looked into measures of the construction of a disaster prevention system and residents' participation. To preserve the urban historical environment created as a collective architectural heritage, it is necessary that the area reinforces its own disaster prevention capabilities, such as establishing an effective disaster prevention system considering village characteristics, strengthening disaster prevention capabilities based on residents' participation, and forging formal and informal governance in the local community.

• Journal of the Korean Institute of Landscape Architecture
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• 제47권2호
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• pp.76-87
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• 2019

This study aims to analyze the status of the Gaetaesa Temple Site in Nonsan and the value of national cultural heritage associated with it, to work towards gaining the acceptance criteria to become state-designated cultural property and to propose a plan for comprehensive maintenance, a plan for the promotion of the project and a plan for the management and operation. The Gaetaesa Temple Site in Nonsan has unprecedented advancements, and the condition of the remains are relatively good. It would be necessary to conduct digging/excavation surveys continuously in the future and ensure the dignity of the Gaetaesa Temple Site in Nonsan as a cultural asset. In addition, the Gaetaesa Temple Site has excellent historical and cultural values as treasure-class cultural heritage. Most temples had treasures taken out of them, so it is necessary to designate this site as a state-designated cultural property instead of a municipality-designated cultural heritage site, and to manage it systematically. Accordingly, this study investigated the history and historical facts about the Gaetaesa Temple Site in Nonsan through the analysis of literature, including old documents, old maps, related academic papers and books, and referred to the results of digging/excavation surveys, conducted up to six times since the first excavation survey conducted in 1986, in order to understand the status of the remains, ruins and the building sites excavated at the Gaetaesa Temple Site in Nonsan. In addition, this study analyzed the values of the Gaetaesa Temple Site in Nonsan, dividing them into the remains, relics and ruins, and set up the scope of the Gaetaesa Temple Site in Nonsan, the cultural property area (designated and protected areas) and the acceptance criteria for the construction work in the historical and cultural environment preservation area. This study proposed a plan for the comprehensive maintenance of the Gaetaesa Temple Site in Nonsan, a plan for the promotion of the project and a plan for the management and operation. It is necessary to carry out ongoing excavation investigations and to reflect the opinions of the residents for the purchase of land, to supplement the comprehensive maintenance plan, business promotion and management plans, and step-by-step business plans should be established in detail.

• Journal of the Society of Disaster Information
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• 제17권3호
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• pp.415-426
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• 2021

Purpose: The purpose of this study is to create the deveopment plan for promotion of advanced disaster-safety awareness, which is noted as a major factor in the large disaster. Method: This study is to conduct theoretical review with regard to disaster management and safety awareness. Consciousness surveys on safety awareness and previous disaster case was analyzed to derive the cause of the disaster, and the development plan for promotion of advanced disaster-safety awareness was suggested. Result: In the survey on the public's sense of safety on the disaster management evaluation, 'Response' stage was well performed, but the 'Recovery' stage was not. Especially, it was found that disaster safety education at the 'Prevention' stage was very lacking. In the survey on the public's safety awareness, the awareness level of the evacuation facility was very low, information on infectious diseases and collapse accident was insufficient. Especially, it has been found that the awareness on safety regulation in daily life is very insufficient. Through the case study on previous disaster(COVID-19, Fire in Miryang Sejong Hospital, Forest fire in the east coas at 2004'), it was derived that the lack of safety awareness(such as safety insensitivity) was the main factor of the expansion of the damage scale. Conclusion: The development plan for promotion of advanced disaster-safety awareness are as follow. First, it is necessary to spread the safety culture movement through the expansion of safety education and safety promotion. Second, disaster confrontation training for the public should be implemented to improve the effectiveness of disaster response. Finally, it is necessary to change the individual awareness on safety. When these factors are implemented systematically, advanced disaster-safety awareness can be promoted. Ultimately, disaster accidents in our society can be reduced.