• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.40 no.3
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• pp.36-45
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• 2022

This study examines the historical transition process of Hwanseonjeong Pavilion in Suncheon, identifies the landscape of the original Hwanseonjeong Pavilion in the past and its constituent elements, and compares it with the landscape of the present Hwanseonjeong Pavilion at Jukdobong area. It was intended to identify the problems and draw implications for future restoration of Hwanseonjeong Pavilion. Hwanseonjeong pavilion, the subject of this study, was built in 1543 by Tong-won Shim, the governor of Seungpyeong, as a garden architecture for government. Since then, it has been renovated several times, and as a pavilion representing "Seonhyang(immotal world)" Suncheon in the past, it was located along with an artificially created lake and other elements of the garden at a location where can be seen Dongcheon stream and Jukdobong Peak on the opposite side at a glance. Hwanseonjeong pavilion, which had been safely maintained during the Japanese colonial period, was lost on August 28, 1968 due to a major flood in Suncheon. The difference between Hwanseonjeong Pavilion and other lost is that another Hwanseonjeong Pavilion for the role of archery was built on Jukdobong Peak in 1935, before it was destroyed. The restoration case of Hwanseonjeong pavilion provides the following important implications for the restoration of pavilions as a garden architecture: First, the value of a pavilion is not formed from the building itself, but from the relationship with the surrounding landscape. Therefore, restoration of a pavilion should not be approached in the same way as restoration of buildings. Restoration of a pavilion requires efforts to understand the existing landscape value and to restore landscape elements together with buildings. Second, an artificially created long north-south lake along with Hwanseonjeong pavilion was a very important landscape component and a means of providing a way to enjoy the landscape. For restoration in the cultural context of Hwanseonjeong pavilion, efforts are also required to restore not only the architecture, but also the experience of cultural activities through an integrated examination and restoration based on an understanding of the cultural activities performed in Hwanseonjeong Pavilion. Third, compared to the past original Hwanseonjeong Pavilion, the existing Hwanseonjeong Pavilion shows a different shape, composition, scale, color, etc. In terms of the restoration of buildings, it is thought that restoration will be possible only when restoration is done through more accurate historical evidence, research, and investigation.

• Korean Journal of Heritage: History & Science
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• v.55 no.1
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• pp.151-174
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• 2022

According to the "Special Act on the Restoration and Maintenance of the Core Relics of the Shilla Kingdom" enacted in 2019, the Shilla Kingdom refers to the capital of Shilla and Unified Shilla period, and refers to Gyeongju, where the king lived, and the nearby area. Shilla Wanggyeong is a heritage registered on the UNESCO World Heritage List in 2000 under the name of Gyeongju Historic Site and belongs to Wolseong District, Hwangnyongsa District, and Daeneungwon District among the five districts registered as Gyeongju Historic Site. Unlike the Namsan and Sanseong districts, the Shilla Kingdom is a heritage consisting mostly of archaeological sites without physical substance. Gyeongju City sought to promote local tourism while providing more direct experiences to visitors by restoring the heritage that constitutes the Shilla Kingdom. Starting with the restoration of Woljeonggyo Bridge in 2005, the Shilla Wanggyeong restoration project began in earnest. Gyeongju City tried to restore the building site on the west side of Donggung Palace and Wolji after Woljeonggyo Bridge, but it was canceled due to opposition from the UNESCO World Heritage Committee. The World Heritage Committee opposed the restoration and recommended a heritage impact assessment for similar projects in the future. During the miscarriage impact assessment procedure, there is an OUV attribute analysis process of the heritage to be evaluated. This study intends to preemptively derive OUV attributes for the Silla Kingdom through literature and overseas case analysis. In the case of literature research, domestic and foreign research data related to the UNESCO World Heritage Convention and World Heritage Management were examined, and in overseas cases, the architectural works of Krakow Historical District, Stonehenge and Abbury Geoseok Ruins in England, and Le Corbusier were analyzed. Through this, the outstanding universal value attributes of the Silla Kingdom were derived. This study is expected to be used as a reference in the process of restoration projects of other heritage constituting the Shilla Kingdom or construction plans in nearby areas in the future and serve as an indicator to improve the management system of the Shilla Kingdom more efficiently from the perspective of world heritage.

• Korean Journal of Heritage: History & Science
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• v.57 no.2
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• pp.6-25
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• 2024

This study concentrated on a report on the results of smelting experiments conducted eight times by the Jungwon National Research Institute of Cultural Heritage, put together the goals and results of the operation, and examined changes in the content of experiments and in the experimental results. First, changes related to operation, such as the ratio of raw materials to fuel and the presence or absence of additives, were reviewed depending on the operation goal. In addition, the results of metallurgical analysis of raw materials, formations, and byproducts were summarized and reviewed by comparing them with materials excavated from the ruins. The operation method varied up to the eighth smelting experiment in terms of iron ore roasting, additives, and raw material/fuel ratio. After reviewing the results again, pure iron with a low carbon content began to be confirmed through metallurgical analysis. As a result, it was confirmed that the charging ratio of raw materials and fuel plays an important role depending on the purpose of production. In addition, most of the products are gray cast iron, and it was deemed that this is due to changes in the internal structure of the pig iron while it was left in the furnace for a long time. The iron was an ingot that was in a molten state even though the carbon content did not reach 4.3%, where the process reaction takes place, and it was deemed to have been caused by excessive operating temperature. Based on the previously reviewed results and the structure and shape of the experimental furnace used in other ironmaking technology restoration experiments, this study finally attempted to restore the structure of an ancient iron smelting furnace, including the furnace's upper structure. By comprehensively referring to the remaining conditions of the excavated iron smelting furnace and the characteristics of the blow pipe, the form of the ancient iron smelting furnace was subdivided into six categories: furnace wall thickness, furnace height, blower height, blow pipe size, furnace inner wall shape, and top shape, and a restoration plan was proposed. To improve the problems of the restoration plan and the Jungwon National Research Institute of Cultural Heritage's experiments that have been conducted through continuous trial and error, an experiment that reflects changes in operating methods by lowering the furnace height and controlling the blowing volume is necessary.

• The Journal of the Convergence on Culture Technology
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• v.8 no.5
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• pp.201-206
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• 2022

This study is a study that provides basic data and direction related to the cultural city policy of Wanju-gun. The goal of this study is to provide policy implications by analyzing domestic and overseas cases that have succeeded in cultural city policy based on case documents. This study consists of the instruction of Chapter 1, the review of cultural city policies in Chapter 2, the analysis of domestic cases in Chapter 3, the analysis of overseas cases in Chapter 4, and the conclusion of Chapter 5. Chapter 2, the Cultural City Policy Review, deals with the concept and types of cultural cities, and policy-related development projects. Chapter 3, Domestic Case Analysis, analyzed the Seoul City Urban Renewal Project, Seoul Cheonggyecheon Stream Restoration Project, and Changwon Public Art Project. Chapter 4, Overseas Case Analysis, analyzed the Kanazawa Civic Art Village in Japan, Bant 1929 in Yokohama, Japan, and Zollverein in Germany. Through these cases, we'd like to provide the successful policy direction and basic data of the cultural city of Wanju-gun.

• Conservation Science in Museum
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• v.26
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• pp.25-34
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• 2021

3D printing technology has been actively applied for the restoration of cultural properties. However, its application to the restoration of glass cultural properties has not yet been reported and thus requires further study. In this study, 3D printing technology was used to restore a defective part of a glass sarira bottle that forms an element of a series of sarira reliquaries commissioned by Yi Seonggye (known as King Taejo after founding the Joseon Dynasty) that was excavated from Geumgangsan Mountain (designated as Treasure No. 1925) and is currently housed at the National Museum of Korea. The defective area was reproduced using 3D printing and the printed reproduction was reproduced again using an epoxy resin. This latter piece was used as the restoration component rather than the 3D printed element. After the completion of the conservation treatment, the materials used for the 3D printing were compared with transparent materials used to restore ceramics to evaluate their usability and stability. A total of five specimens were produced, including from photocurable resin made by a stereo lithography apparatus (SLA), epoxy resin, acrylic resin, and more. They were exposed to UV for 96 hours to test for yellowing. Of the two specimens made of photocurable resins and exposed to UV, one was sprayed with a UV blocking agent but the other was exposed as-is. The UV exposure test showed that the specimen made by the SLA and sprayed with a UV blocking agent and the specimen made of epoxy resin were stable in terms of yellowing with a change in the b-value was less than 1. They are thus considered to be suitable materials for the restoration of glass cultural properties. Such glass cultural properties are often diverse in shape and their restoration can be difficult as they generally consist of a range of complex parts that hamper restoration. In this regard, diverse materials should be considered when selecting materials for the restoration of glass cultural properties.

• Proceedings of the Korea Contents Association Conference
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• 2016.05a
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• pp.301-302
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• 2016

선행연구와 사례조사를 통해 안동시 철도 폐선부지의 활용 방안을 분석한 결과 실개천 조성, 철도의 역사와 문화를 체험할 수 있는 철도 역사박물관, 철도폐선을 활용한 레저시설, 철도 객차를 활용한 호텔 및 편의시설, 기존 역사를 활용한 쇼핑몰, 임청각 복원, 어린이 기차공원 등 복합문화공간으로 조성하는 것이 가장 바람직하다는 결론을 도출 하였다.

• Proceedings of the Korean Society of Coastal and Ocean Engineers Conference
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• 2006.09a
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• pp.105-108
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• 2006

본 준설토 투기장은 국제도시 부산의 관문이 될 부산신항만 입구부에 위치한 관계로 아름답고 튼튼한 호안이 될 수 있도록 하였다. 본 사업은 부산신항만 개발 중 발생하는 준설토를 수용하는 호안 축조공사로서, 적용된 설계사례 및 설계특화내용을 설명하고자 한다. 지형적 특성상 복잡한 형태의 고파랑작용으로 수리학적으로 월파, 반사파, 연파를 제어하는 경사호안 구조물을 도입하였고, 개선된 S.C.P 연약지반 처리공법을 적용하여 기초굴착 없는 친환경적이고 배수기능을 향상시킨 융기토 유용형 S.C.P공법을 적용하였다. 호안전구간은 친수 개념을 도입하였으며, 호남도 주변 해양생태계 보호를 위하여 미티케이션 개념을 도입하여 환경복원 계획 및 생태형 친수호안을 구상하였다.

• Proceedings of the Korea Water Resources Association Conference
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• 2009.05a
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• pp.1769-1774
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• 2009

재해 복구란 국가, 유역은 물론 지구단위 차원에서 개발이 진행 중인 통합적 개발과정으로 추진되어야 한다. 따라서 피해를 입은 기간시설의 단순 재배치나 복원이 아니라 피해지역의 사회, 경제적 조건은 물론 재해 전, 중, 후에 지역사회가 지닌 취약성을 개선하는 기회로 추진되어야 하며 주민들의 신뢰를 회복하고 지속가능한 발전을 추구해야 한다. 국내외 복합피해지역의 복구사례로 강릉시(2002, 태풍 루사), 김천시(2002, 태풍 루사), 미국 뉴올리언스(2005, 허리케인 카트리나)의 피해상황과 복구사업을 대상으로 조사 정리하였다. 복합피해지역의 지구단위 종합복구를 위한 지구별 복구기법은 피해조사, 종합복구계획의 수립, 종합복구계획의 작성 및 복구사업추진으로 순으로 진행할 수 있으며, 복구사업 시행으로 인한 2차 피해의 방지를 위하여 사업 대상지역은 물론 인근지역에 미치는 영향을 분석하여 사업 대상지에 지구단위종합복구기법을 적용할 수 있을 것이다.

• 한국IT서비스학회:학술대회논문집
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• 2009.05a
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• pp.365-368
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• 2009

고속 인터넷 망 구축과 멀티미디어 통신 수요의 증가에 따라 VoIP는 기존의 PSTN 망의 대체 혹은 확장 기술로서 지속적으로 검증되어 왔다. 음성 데이터 처리 규약들 중 SIP는 다른 규약에 비해 신호 처리 단계가 간단하기 때문에 이를 기반으로 RTP를 활용하여 음성 통신 시스템을 구축하는 사례가 늘어나고 있다. 그러나 RTP의 특성상 패킷을 처리할 때마다 복원 과정이 필요하며, 다중 세션으로 통신이 발생할 경우 전체 패킷들의 관리가 복잡해지므로 이들 간에 혼선 없이 데이터를 처리 및 유지할 수 있는 방법론이 요구된다. 본 논문에서는 SIP 기반의 IP 전화를 통해서 고객과 상담원 간의 통화 이벤트가 발생하는 일반 콜센터 환경에서 RTP 음성 데이터를 처리하는 다중 세션 어플리케이션의 구축 사례를 제시한다. 구현한 시스템은 IP 전화에서 발생하는 통화 내역을 통합 스위치 서버에서 포트 미러링하여 녹취 및 녹음 서버로 전송하며, 전송된 패킷 정보들의 세션이 유지되고 있는 동안 음성 데이터를 실시간으로 모니터링한다.

• Proceedings of the Korean Society of Disaster Information Conference
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• 2023.11a
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• pp.91-92
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• 2023

본 논문에서는 노후화된 화력발전소를 해체하고 원래의 자연환경으로 복원하는 공사가 진행되는 가운데 화력발전소 내 대형 철골구조물 중 하나인 터빈동을 발파해체공법을 적용하여 해체한 사례이다. 두께 30mm의 철골 부재를 절단하기 위해 금속제트가 발생되는 전용 장약용기를 제작하였으며, 철골 부재의 두께가 30mm 이상인 일부 철골 부재의 경우에는 가우징을 이용하여 사전취약화를 실시하였다. 또한 구조물 내부에 있는 일부 철골 부재에 대해 kicker charge를 사용하여 붕괴거동에 영향을 미치지 않도록 하였다. 발파에 사용한 전체 장약량은 175kg, 전자뇌관 165개, 장약용기 124개를 사용하여 계획된 방향으로 점진붕괴되었으며, 주변 시설물에 피해 없이 발파해체를 완료하였다.