• 제목/요약/키워드: data base construction

검색결과 504건 처리시간 0.026초

DATA BASE SYSTEM DEVELOPMENT AND STATISTICAL ANALYSIS OF EIR3 ACCIDENTS OF SEVERAL COUNTRIES

  • Kim, In-Tae;Kim, In-Won;Song, Hee-Oeul
    • 한국화재소방학회:학술대회논문집
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    • 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
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    • pp.319-326
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    • 1997
  • The fire accident cases of several countries such as Korea, Japan, United States, etc., were collected and compared statistically. The trends of fire accidents in several countries will help us establish detailed plans for fire protection and reduce the possible fire accidents in the future. For construction of data base system, the program FADS was developed, which is operable in Windows environment.

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괴산군 일대의 식생 및 식생기반에 관한 연구 (A Study of the Vegetation and Vegetation Base around the Goesan Gun)

  • 윤재로;민현기;주진희;윤용한
    • 한국환경과학회지
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    • 제19권5호
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    • pp.533-541
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    • 2010
  • The purpose of this study is to grasp what characterizes the vegetation base of the natural forest as a latent vegetation in the middle region of Korea and thus to offer basic data when improving the vegetation base in the middle region being built or to be built in the future. The findings of this soil section survey show the following: The soil is brown to red color soil group on the whole. In addition, the soil's physical features like soil hardness are rated as high level, which results from the fact that the forest soil exits in its natural form under less influence of stamping. The pH of soil shows a weak acidity, like Korean normal soil. Specific electrical conductance is also rated as middle to high level in accordance with the standards of landscape architecture. The Salix koreensis community and the Pinus rigida community are different from other communities in terms of total nitrogen, available phosphate and exchangeable $K^+$ content. Specifically, the two communities are opposed to each other in terms of total nitrogen and available phosphate, while being similar to each other in terms of available phosphate and exchangeable $K^+$ content. This seems to result from the fact that they are located near each other. In addition, the two communities are characterized by the fact that they are distributed at the altitude mean relatively lowest and in the valley. To sum up, the forest soil around Goesan Gun is of middle level on the whole according to the landscape standards, when judging it in terms of vegetation base. Accordingly, it seems that the construction of the vegetation base around Goesan Gun will not require large investment expenses for soil improvement. Also, it seems that the spatial scope of research is needed to expand the basic data on the construction of the vegetation base for the whole middle region of Korea.

고령 건설기술자를 활용한 소규모공사의 공사관리방법 개선에 관한 연구 (A Study on the Improving Management Method for the Small Projects Applying Senior Construction Engineer)

  • 송진우;이상범
    • 한국건설관리학회:학술대회논문집
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    • 한국건설관리학회 2004년도 제5회 정기학술발표대회 논문집
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    • pp.305-310
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    • 2004
  • 소규모 공사는 건축에 있어 가장 기초적이며 근본이 되는 의미를 가진다. 현재 $\ulcorner$건축법$\lrcorner$ 제8조(건축허가)에는 도시계획구역 이외의 지역에 대하여 연면적 $200m^{2}$ 이상이거나 3층 이상인 건축물에는 공사현장에 감리원을 배치하도록 명시하고 있으며 이러한 기준 이하의 건축물에 관해서는 건축신고로 이루어지고 있다. 하지만, 법의 범위를 벗어난 공사현장에서 많은 문제점이 발생하고 있다. 건물의 설계는 전문가인 건축사가 하지 않으며 별도의 감리자도 없이 지역담당 공무원의 현장 방문으로만 관리하고 있는 실정이다. 현장의 기술력은 1980년대의 그것과 크게 다르지 않고, 노동자들의 안전은 더욱 문제가 되고 있으며, 또한 자재선택이 적절치 못해 건축물의 전체적인 품질저하를 초래하기도 한다. 따라서 본 연구에서는 소규모 프로젝트에 대한 현행 법규를 검토하고 소규모 공사현장 책임자와의 설문 및 인터뷰조사를 통하여 현장관리실태를 파악하고 문제점을 분석한다. 그리고 문제점에 대해 많은 현장을 경험한 고령의 기술자를 적극 활용하기 위해 Data Base를 구축하고 온라인 및 오프라인을 통해 공사를 조언 및 관리하는 방안을 제시하는 것을 목적으로 한다.

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데이터 마이닝과 퍼지인식도 기반의 인과관계 지식베이스 구축에 관한 연구 (A Study on the Development of Causal Knowledge Base Based on Data Mining and Fuzzy Cognitive Map)

  • Kim, Jin-Sung
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2003년도 춘계 학술대회 학술발표 논문집
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    • pp.247-250
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    • 2003
  • Due to the increasing use of very large databases, mining useful information and implicit knowledge from databases is evolving. However, most conventional data mining algorithms identify the relationship among features using binary values (TRUE/FALSE or 0/1) and find simple If-THEN rules at a single concept level. Therefore, implicit knowledge and causal relationships among features are commonly seen in real-world database and applications. In this paper, we thus introduce the mechanism of mining fuzzy association rules and constructing causal knowledge base form database. Acausal knowledge base construction algorithm based on Fuzzy Cognitive Map(FCM) and Srikant and Agrawal's association rule extraction method were proposed for extracting implicit causal knowledge from database. Fuzzy association rules are well suited for the thinking of human subjects and will help to increase the flexibility for supporting users in making decisions or designing the fuzzy systems. It integrates fuzzy set concept and causal knowledge-based data mining technologies to achieve this purpose. The proposed mechanism consists of three phases: First, adaptation of the fuzzy membership function to the database. Second, extraction of the fuzzy association rules using fuzzy input values. Third, building the causal knowledge base. A credit example is presented to illustrate a detailed process for finding the fuzzy association rules from a specified database, demonstration the effectiveness of the proposed algorithm.

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고령 건설기술자를 활용한 소규모공사의 공사관리방법 개선방안 (A Study on the Improving Management Method for the Small Projects applying Senior Construction Engineer)

  • 송진우;정용식;이상범
    • 한국건축시공학회지
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    • 제5권2호
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    • pp.115-121
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    • 2005
  • The building below standard scales to be built only by constructive report to authorities. Construction law 8 illustrates that supervision should be deployed in all the construction sites at the building which is found to have more than 3 floors and also to have more than loom of total squares in especially outside area of city plan zone. Such a small construction is have a important and the most basic meaning. Many problems were found to occur in all the constructive places which were out of the limit of this law. The construction sites were found to be controlled by public official's visiting without supervisors and designers of architecture. Technique of construction in architecture was found to be not different from that of 1980. The security of employees in construction on sites has a serious problem. Because of choosing ail the materials of the building without a reasonable point. All the building were found to have a law material about inside and outside aspects. The purpose of this study are to examine existing law about a small project and than to analyze the situation of constructive control through questionnaires and interviews with all the supervisors. Based on the data base of engineers who had a great experience in construction sites, The purpose of this study is also to suggest and advise the method of controlling all the items in architecture through on and off line.

공동주택의 공사정보분류체계를 활용한 적산 자동화 개념 모형 개발 (A Conceptual Model for Automated Cost Estimating Using Work Information Classification System of Apartment House)

  • Lee, Yang Kyu;Park, Hong Tae
    • 한국재난정보학회 논문집
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    • 제10권1호
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    • pp.15-24
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    • 2014
  • 본 연구는 설계 과정의 분해, 시공 과정의 조립, 공사비 적산 등 공사의 계획과 관리에 걸친 모든 공사 관리의 업무를 체계화할 수 있는 공동주택의 공사정보분류체계를 제시하였다. 또한, 본 연구는 이 공사정보분류체계를 작업순서에 따라 관계형 데이터베이스(Data Base)로 구축 방법을 제시하였고, 구축된 데이터베이스를 근거로 적산 자동화 시스템 개념 모형을 구축하였다. 이러한 적산 자동화 시스템 개념 모형은 기존 적산 시스템들의 근본적인 문제점이었던 부적절함을 해소하여 공동주택 건설현장에서 효과적으로 적용가능한 과학적인 적산 시스템으로 활용할 수 있을 것이다.

원전 생애주기 관리대상 기기의 정보 흐름 규명을 통한 설계정보 추적성 구현방안에 대한 기초 연구 (A basic Study on Establishment Plan of Design Information Traceability through Design Information Flow Identification for Controlled Equipment during the NPP Lifecycle)

  • 임병기
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2017년도 추계 학술논문 발표대회
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    • pp.183-184
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    • 2017
  • Some of the information created during the design phase of an New NPP life cycle is useful only for the execution of the construction phase; however, much of the information greatly impacts the longer-term operational phase. To most make use of design and construction information produced by data based design system during the construction and operation phase, This research is identified controlled data and drawn design information of controlled equipment from documents generated during the life-cycle stages. This study aimed to analyze related documents to assure traceability of controlled equipment from design phase through O&M and then suggested DB(Data Base) based control method on technical information of major equipment throughout nuclear power plant lifecycle.

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스마트 건설에서 디지털 측량정보의 활용 (Using Survey information of BIM-applied Project - Construction Industry Specialist Interview -)

  • 조재희;최영우;이지우;김환용
    • 한국BIM학회 논문집
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    • 제10권3호
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    • pp.33-42
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    • 2020
  • Recently, in the smart construction field, it is possible to construct spatial information of 3D data base quickly and accurately using drones, LiDARs and ARs,. Most public ordering institutions are pushing for the efficiency of construction work through establishing and announcing road maps and guidelines for utilizing BIM for the entire life cycle of construction. However, in most policies, the impact of 3D data on the entire life cycle is limited by only partially constructing and utilizing 3D data or by being mentioned. In addition, many public institutions, construction companies and planning companies did not actively utilize survey information during the actual construction phase, despite the possibility of using 3D survey information. In order to confirm the utilization of survey information, a total of eight private construction companies were selected and interviewed by experts. The analysis shows that most of companies lack the performance of drone measurements or have a lack of awareness of advantages, and among them, construction companies are relatively active. Based on these opinions, this study examined the usability of surveying information and examined measures to expand the utilization of survey information in legal and institutional aspects, technology development aspects and industrial development.

농업용저수지 재개발을 위한 우선순위 선정시스템 개발 (Development of Decision System for Determining Priorities of Re-construction Reservoirs)

  • 이광야;김해도;정광근
    • 한국농공학회:학술대회논문집
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    • 한국농공학회 2005년도 학술발표논문집
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    • pp.26-31
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    • 2005
  • In national prospective, the needs to develop water resources has been increased due to water shortage from diverse use of water resources in agricultural areas. Existing agricultural water demand, which has mainly been limited to the use of farming, are now expanding to diverse water uses such as supporting daily lives, diluting environmental pollution as well as industrial use for agricultural complex currently under construction in agricultural region. In this situation, for the sake of effective procurement of water resources and supply method, it is definitely required to enhance the effectiveness of budget investment and project proceedings through integrated re-development which links projects to strengthen existing dams, reservoirs and hydraulic facilities. The major scopes of this research includes developing different types of system such as selecting potential sites to re-construct reservoirs including generating base maps and thematic maps, data collection regarding water demands and reservoir status; analyzing reservoir data; estimating developable capacity and index calculation; and forecasting inundated areas. In addition, this study provides other products such as developing output generation system which can support wide use of data built and analyzed; database generation for better data management; data analysis including selection, extraction, indexation, and calculation of base items through standardization; data security system prohibiting exterior proliferation and malicious manufacturing of data.

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건설공정별 안전정보시스템 구축에 관한 연구 (A Study on the Development of the Safety Information System according to the construction process)

  • 고성석;이한민;송혁
    • 한국건설관리학회논문집
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    • 제2권4호
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    • pp.99-106
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    • 2001
  • 건설현장은 전산업 근로자의 $10{\%}$ 미만인 근로자가 전산업 재해의 $30{\%}$를 차지하는 재해다발 업종으로 중대재해 사고가 매우 심각하다. 이는 건설업 자체의 특수성과 내재되어 있는 작업의 위험성 및 이에 대한 안전대책등의 정보가 부족하기 때문이라 생각되며, 건설업에서의 재해예방을 위한 업무는 교육, 훈련, 정보의 단기적인 접근과 장기적인 접근을 요구한다. 건설현장에서의 기존의 사고사례는 건설공정에 따른 위험 위해 요소 등 본 작업에 관련한 모든 정보가 함축되어 있으므로 각 개별적인 사건에 대한 조사의 정보가 잘 이루어진다면 건설현장의 사고예방에 있어서 필요한 정보를 제공하게 되므로 재해발생방지 측면에서 매우 유용하리라 판단된다. 이와 같은 관점에서 본 연구는 한국산업안전공단에 의해 조사된 $1992{\~}2000$년간의 빌딩과 APT를 대상으로 중대재해의 860여건을 Data Base화하고 건설공정의 각 작업영역별로 안전정보(170건)를 제공하기 위하여 필요한 건설안전 정보시스템을 개발하는데 있다.

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