• Title/Summary/Keyword: dismantling work

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A Study on a Creative Design Development Using a Traditional Pattern - Focusing on the Arrangement and Color-scheme of the Pattern - (전통 물고기문양을 모티브로 한 창의적 디자인 개발 연구 - 문양의 배치 및 색채 배색 과정을 중심으로 -)

  • Mok, So-Ri;Cho, Jean-Suk
    • Journal of the Korea Fashion and Costume Design Association
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    • v.16 no.2
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    • pp.81-100
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    • 2014
  • The purpose of this study is to link traditional patterns to mordern clothing. Of all the traditional patterns, the fish pattern was chosen for use during the development of a creative one-piece design for woman and shirts design for man. This study is based upon document searches, including research papers. Through these searches, it investigates the symbolic meaning, formation of the fish pattern and the creative design process. Based on this investigation, the study attempts to modernize the fish pattern and apply the fish patterns to the design of a one-piece dress and shirts. The design procedure includes three sub-processes: selection, arrangement and color-scheme. The selection process, the form of the pattern was edited using Adobe Photoshop. The arrangement of the pattern was made through the checklist conception method, containing the following functions: expand, reset, repeat, omission and dismantling. For the color-scheme of the pattern, Paul Klee(1879-1940)work was selected, and the colors in his work were adopted when dyeing the rest of the one-piece dress and shirts as well as fish features. In conclusion, six designs of the one-pieces dress and shirts were created by using one of Korea's traditional patterns-the fish pattern. This kind of study not only let the world know about the unique beauty of nations but also helps to inspire people who has a profession in design, by suggesting design development process based on design competitiveness improvement factor from fusion of tradition and modern.

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A Study on the Efficiency Analysis of Specialty Construction Industry Type (전문건설업 유형별 효율성 분석 연구)

  • Kim, Ye-Jung;Yoo, Dong-Young;Park, Sun-Gu
    • The Journal of the Korea Contents Association
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    • v.19 no.5
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    • pp.64-73
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    • 2019
  • This study analyzed the efficiency by using the DEA model to evaluate the competitiveness of specialty construction firms. The target of the analysis is 300 firms with continuous data from 2010 to 2017 as listed and externally listed firms. Significant analysis results are as follows. First, the efficiency of specialty construction firms is lower than that of general construction industry. Second, efficiency by type was highest in facilities construction and dismantling work. This shows that the relevant industries such as reinforced concrete works and scaffolding and demolition work are relatively efficient in specialty construction industry. Third, the efficiency of specialty construction industry is affected by economic fluctuations. When the construction industry is in the expansion phase, the efficiency value is high and the efficiency value is low in the down phase. Finally, in the scale profitability analysis, specialty construction industry was most analyzed by DRS. This means that it is effective to scale down for the efficiency of the firm.

Checklist Development for Preventing of Major Accidents of Formwork Using Gang-form (갱폼 공사 중대재해 사고 예방을 위한 체크리스트 개발)

  • Jeong Kyeongtae;Kim Siyu;Oh Jeongeun;Lee Donghoon
    • Journal of the Korea Institute of Construction Safety
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    • v.5 no.1
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    • pp.9-16
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    • 2023
  • Gang-foam is used in many construction projects because it is not only precise in terms of vertical, horizontal, and specifications, but also easy to install and dismantle. However, major accidents occur every year due to non-compliance with safety rules and work order, also manuals and checklists currently in use are insufficient. Thirty-seven surveys was conducted by analyzing major accident cases of domestic gang-form construction project and deriving 20 risk factors and 43 check points. Based on the survey, the importance and appropriateness of check points were evaluated. As a result of this study, a checklist was presented, check points were placed in the order of importance based on assembly, installation, dismantling, and lifting of the Gang-form process. The checklist was organized so that workers could comply with safety rules and work order. Through this, it is expected to prevent major accidents and contribute to efficient safety management.

A Study on Present State of Preservation of Excavated Remains in Chungcheongnam-do and Preservation Methods (충청남도 발굴유구 보존현황 및 보존방안 연구)

  • Wi, Koang-Chul;Oh, Seung-Jun;Jung, Je-Won
    • Journal of Conservation Science
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    • v.33 no.6
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    • pp.541-552
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    • 2017
  • All excavated "buried cultural properties" are supervised by the Cultural Heritage Administration that decides whether to conserve them or not, depending on the necessity for conservation. Currently, there is no legal regulation concerning the administration of relics (including artifacts) and remains (including archaeological sites) that are relocated and restored based on such conservation decisions. Thus, administration of these cultural properties is inadequate. Under these circumstances, this paper recommends the current state of conservation and conservation methods for buried cultural properties excavated at Chungcheongnam-do thus far. Conservation of buried cultural properties excavated at Chungcheongnam-do primarily employ the "relocating and restoration" method; 23 relics and 46 remains employed relocation after dismantling and soil layer transcription method. Moreover, 27 remains were relocated after dismantling and 14 remains employed the transcription method. In terms of area, Buyeo-gun and Gongju-si had 12 relics accounting for about 50%, while according to the period, Baekjae period had 16 relics, accounting for about 70%. In terms of conservation facility, open-air facility had 33 relics, accounting for about 72%. Results of investigating the state of relics' management indicated that public institutions like a museum with a recognizable management system had their own work force and consequently ensured excellent conservation, whereas if there were no apparent responsible bodies, remains were subjected to considerable damage due to mismanagement. Therefore, this problem can be resolved by identifying a recognizable management body as well as ensuring periodical management and supervision. The excavated buried cultural properties are utilized not only for academic purposes, but also for PR or as exhibition material. Hence, this study confirms that meticulous management of buried cultural properties is currently required.

Comparison of the Construction Waste Generated by the Project and the Estimation of the Waste Generation Unit (건설공사 공정별 건설폐기물 발생량 비교 및 폐기물 발생 원단위 산정에 관한 연구)

  • Song, Tae-Hyeob;Seong, Jin-Uk
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.5 no.4
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    • pp.427-434
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    • 2017
  • The generation of construction waste can be divided into a decommissioning phase and a new construction phase, and most of the waste is generated at the decommissioning stage. However, recently, domestic new construction construction has expanded to 150 trillion yards per year, so construction work is increasing rapidly. Especially, as the size of the construction work with much waste of construction waste exceeds 100 trillion, the management of the amount of construction waste in the new construction site is required. Unlike the dismantling work site, the new construction site can separate waste generated by each property, and relatively low foreign matter content is generated. The purpose of this study was to investigate the amount of construction waste generated by new construction sites and to calculate the unit amount of construction waste based on this. In addition, since the existing unit cost is centered on concrete and mixed waste, we set the basic unit by setting synthetic resin, waste wood, and waste board as additional items. The basic unit survey was carried out to investigate the wastes according to the characteristics of each construction period. As a result of the survey, the new construction site showed that most wastes were discharged in the first 30% and after 70% of the process, and the ratio of mixed construction waste was as high as 45%. As a result of this study, it was found that about twice as much waste was produced as compared with the conventional standard product.

Selection of an Optimal Conception Design for the Development of Noise-reduced System Aluminum Form (소음저감형 시스템 알루미늄 거푸집의 최적 개념디자인 선정)

  • Hong, Jong Hyun;Yeom, Dong Jun;Kim, Young Suk
    • Korean Journal of Construction Engineering and Management
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    • v.17 no.2
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    • pp.135-145
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    • 2016
  • In Korea, a series of noise-reduced aluminum forms are being recently used in apartment housing construction. However, their complicated and time-consuming work processes, and the noise which is still generated due to the inherent property of aluminum when especially installing and dismantling them have been pointed out as a problem to be certainly solved for increasing their practical use in construction sites. The primary objectives of this study are proposing an optimal conceptual design of a newly designed noise-reduced aluminum form and verifying the technical feasibility by conducting a working mock-up drive experiment. Thus, conventional noise-reduced aluminum forms have been analyzed and three conceptual designs of a newly noise-reduced aluminum forms have been deducted. AHP has been applied to a survey data collected by interviewing field experts. A trade-off analysis results have shown that 'Noise-reduced System Aluminum Form with a Drop-down Floor Post and Adaptive Beam' the highest weights of safety(0.52), work convenience(0.54) and thus selected. The suggested conceptual design in this study improved problems of conventional system aluminum forms. It is also expected that the suggested design will be used as a reliable guideline for the actual development of an aluminum form that ensures noise-reduce, work convenience and labor safety.

A Study of Explosive Jet-cutting Technology by Linear Shape Charges (성형폭약에 의한 폭발절단기술에 관한 연구)

  • 이병일;박근순;공창식;김광태
    • Tunnel and Underground Space
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    • v.10 no.4
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    • pp.516-525
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    • 2000
  • Recently, the demand for pollution-free demolition work of old reinforced concrete and steel structure has rapidly increased as the redevelopment of urban area has been accelerated. This study deals with linear shape charges for explosive jet cutting on steel structure. We have tested material and shape of steel structure, characteristics of thickness and strength, shape of linear shape charges, type of shape charges, cumulative charges, type of liner, stand-off distance, detonation method. effect of sound and vibration by air blast in explosive jet cutting method. So, We developed linear shape charges in order to take advantage of optimum explosive jet cutting condition. Shape charges were made of PETN explosives. We obtained the experimental formula to decide the amount of explosive needed for thickness of steel structure plate. There are prospects for application of the explosion curving technology under the open space conditions for dismantling the steel structure and steel bridge, scrapped old boats, which are going out of service.

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Automotive Recycling System and Recycling Business of Dismantler in Japan (일본(日本)의 자동차 리싸이클링시스템과 해체업계(解體業界) 경영동향(經營動向_)

  • Oh, Jae-Hyun;Kim, Joon-So;Moon, Suk-Min;Min, Ji-Won
    • Resources Recycling
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    • v.20 no.1
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    • pp.14-27
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    • 2011
  • In order to review the End-of Life Vehicle(ELV) recycling system and recycling business of dismantlers in Japan, scheme of the automobile recycling law, status of ELV recycling, exports of used cars, ELV marketing business of dismantler and upgrading of used parts net work were studied. On the other hand, field survey in details for dismantling works were conducted at West-Japan Auto Recycling Co.. Although the ELV recycling system has been operating smoothly without any noticeable trouble, recycling business is running under severe circumstance. Exports of used cars have been increasing day by day through worldwide 176 countries. Finally, reuse parts of ELV concerning innovation marketing was discussed.

Experimental Study on mixing of Recycled Concrete Fine Aggregate in Self-Consolidating Concrete (자기충전 콘크리트의 재생골재 혼입을 위한 실험적 연구)

  • Song, Il-Hyun;Ryou, Jae-Suk;Kim, Jong-Pil;Park, Kwang-Pil;Kim, Seong-Soo
    • Proceedings of the Korea Concrete Institute Conference
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    • 2008.11a
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    • pp.573-576
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    • 2008
  • Recently, it is the well-known that there are some kinds of problem the waste concrete generated while repairing, reinforcing and dismantling of structures in the domestic and overseas. In this paper, various tests were performed about the use of the recycled concrete fine aggregate for the materials of high quality and structural concrete. And also, in order to improve structural performance of the concrete structure the steel frame was under overcrowded arrangement of steel bar. Consequently, it was be necessary the Self-Consolidating Concrete(SCC) that can fill the concrete into the work-form corner which has become overcrowded arrangement of steel bar without any other vibration. The purpose of this study is related to the properties of Self-Consolidating Concrete(SCC) according to mixing ratio of recycled concrete fine aggregate.

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The Expression of the Human Body in Modern Arts and the Formative Nature of Costume (현대 예술에 나타난 신체의 표현과 복식의 조형성)

  • 권기영;조현주
    • Journal of the Korean Home Economics Association
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    • v.40 no.6
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    • pp.1-19
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    • 2002
  • This study is to observe the meaning, aesthetic formative nature of the human body which has been not only a main issue and discussion object but also socially, culturally connected with clothing by contemplating it in the respect of the trend of art. Additionally, a work of contemplation about human body introduced to fashion design was analyzed to renew the meaning and value of the formative art inside the human body. The way and scope of this study is to contemplate the concept and meaning of human body, based on the documentary records such as art history and clothing history in the West society as a main theme. The results of the analysis were as follows: In the first place, the formative characteristics shown in the modem arts expressing the human body since 1990 which are cubism, futurism, metaphysical painting, dadaism, surrealism, pop art, happening, feminism, body art, and technology art are distortion, exaggeration and dismantling. Second, the aesthetic formative nature and meaning in the human body appear to be different according to the standard of ideal beauty of human body when we examine the expression of it from the aspect of art-history and the meaning of human body implied in it. Besides, human body is being used as a messenger which delivers the message of modem artist to other people. So the changed meaning of human body has affected the clothing and made it possible to manufacture and form new styles of clothing that have never been before. In conclusion, the human body in the modem era plays an important role as a brand-new formative medium of communication in the human society and contributes to the development which applies the aesthetic formative nature of the human body to fashion design.