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한옥의 특징기반 형상모델링 및 매개변수형 BIM 라이브러리 브라우저 개발에 관한 연구
김인한(Kim In-Han),박승화(Park Seung-Hwa),이지아(Lee Ji-Ah) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.5
Since Han-ok, the traditional Korean-style house, is composed with combinations of complex components in various shapes and sizes, it is essential to categorize the components into several types for digitalization of Han-ok information. This study applied feature-based classification using BIM parametric modelling methods. After investigating ‘Parameter and Formula relations’, ‘Parametric description’ and ‘Instance diagram’ of Han-ok components, the study established XML libraries for the parametric modelling of open BIM. The IFC-XML libraries include parametric and properties information as well as the geometric information of Han-ok. For the combination of parametric and non-parametric geometry, the study also suggested a new methodology of using ‘comments’ inside IFC, which enabled interworking between IFC and XML. A prototype of BIM browsing module was developed in the last phase of this study to validate the conformance of the IFC-XML libraries. This integrated browser for Han-ok allows the users, both experts and non-experts, to check and manipulate Han-ok component fabrication by changing specific parameters promptly. The browser successfully showed automatic changes of all related Han-ok elements in accordance with the parameters, relationships and formulas of components.
개방형 BIM기반 개산견적을 위한 데이터 모델 구축 방안
김한준(Kim, Han-Joon),최중식(Choi, Jung-Sik),김한샘(Kim, Han-Saem),김인한(Kim, In-Han) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.3
Recently, Buildings have been ordered larger, more complicated, and free form design. So the adoption of BIM technology is in creasing the demand for large and complex construction of information for efficient management and utilization. Properties of BIM model can be used to automatically calculate quantities information in estimates field. This characteristic is expected to have a significant effect for the accuracy and reliability of the construction Cost estimates. This research is to develop a data model for Open BIM-based estimates to ensure accuracy and reliability, and improve interoperability of information. So studies of the overview of BIM-based QTO and estimates were researched. Also domestic and foreign BIM-based QTO and estimates case research were analyzed to draw out the implications to find a solution to the problems. Necessary properties requirements were drawn out by analyzing IDM and IFC spec was drawn out by analyzing MVD. Through these a method for Open BIM-based estimates was proposed. Also, to increase the application of the construction information classification system, domestic and foreign application of construction information classification systems were researched and analyzed. From the domestic research utilization the construction type classification of Public Procurement Service was selected as the most effective classification system and was applied. In addition “Code Generator” was developed and Pilot test model was applied to verify the data model and the availability of requirements was reviewed. With the variety of construction information classification systems that exist in the domestic construction industry, the method from this research can be applied into the domestic practical field.
김인한(Kim, In-Han),김한샘(Kim, Han-Saem),최중식(Choi, Jung-Sik) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.10
It is getting more difficult to assure reliable design quality in the recent construction industry with increasing large and complex projects. Open BIM has been introduced to solve this problem by managing and integrating enormous amount of information produced in the process of such projects. This study tries to clarify the methods of effective data management and design quality check for super-tall buildings in the BIM Environment. It demands identification of quality control target and examination of various requirements for quality control standards. The study suggests the process and methodology of the quality control in the early period of super-tall buildings design by developing a checklist reflecting domestic rules and regulations. The checklist is verified through sample tests in a rule-based software, SMC. The effective design quality assurance using Open BIM, which is the aim of this study, would improve the basic quality and performance of the super-tall buildings constructed in reality.
개방형BIM 데이터와 건물에너지 시뮬레이션 소프트웨어 입력정보 간 매핑체계 제안과 적용
김인한(Kim, In-Han),최중식(Choi, Jung-Sik),김한준(Kim, Han-Joon) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.4
With the increasing interest in green building and BIM, many studies on BIM-based energy simulation are being conducted in Korean AEC industry recently. One of the biggest issues in current studies is the trouble with interoperability of data between BIM modeling software and BIM-based energy simulation software. The purpose of this study is to establish a Proposition and Application of Mapping System for Input Data between Open BIM Data and Building Energy Simulation Software. For this, the authors analyzed various BIM-based energy software after the overview of Open BIM and energy simulation. In following phases, a mapping system was Proposed first, and an integrated material library was also generated through the system. Finally, the authors developed a IDF-Convertor which allows management, exchange, and sharing of data between IFC and BIM-based energy simulation software. The result of this study would enable the energy simulation using IFC format, which might be considered difficult before. The use of IFC would allow energy software to utilize much data from other fields as well as material data, and so, help energy simulation advance in the future.
초고층 건축물의 개방형 BIM 적용을 위한 정보환경 구축 기초 연구
김인한(Kim In-Han),최중식(Choi Jung-Sik),조대구(Cho Dae-Gu),추승연(Choo Seung-Yeon),조근하(Cho Geun-Ha) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.2
The interoperability problem among different software applications has been regarded as one of main limitations preventing wide adoption of BIM. Based on the motivation, IFC based open BIM has internationally developed as a solution for the problem. However, despite much interest and effort, the open BIM technologies are rarely introduced to the construction industry and need more technical development for a practical application as well. This paper aims to develop a standard process and guideline for wide adoption of open BIM technologies. The paper has analyzed previous studies related to open BIM applications focusing on super-tall buildings, reviewed required technologies of open BIM, defined information environment such as IDM, MVD, and finally proposed a standard process and guideline using an open BIM application scenario. The proposed standard process and guideline can be expected to improve interoperability among BIM applications and quality of information.
김인한(Kim In-Han),장현창(Jang Hyun-Chang),김인성(Kim In-Sung) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.8
With the increasing demands of BIM design in Korean construction industry, it becomes an important issue to develop a proper standard of design fee for BIM. For now, many architects who are asked to design with BIM tools and produce BIM data with high quality are suffering from the lack of the new standard for the fee and necessary studies about it. The conventional standard without considering additional works for BIM design results relative fee declines and so, decrease of design quality. This study started with analyses of foreign guidelines and regulations for BIM design to learn their ways of dealing with the changing design fee. After comparing its results with current Korean situation, the study also conducted surveys to hear the opinions of Korean professionals. In the end of the paper, some troubles of conventional approaches are pointed out as a result of those researches, and considerable factors for the proper direction of a BIM design fee standard are suggested. It would work as an essential guideline for the further studies which try to establish more accurate and practical standards in the future.