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개방형BIM기반 건축 자동 법규검토를 위한 내·외부 공간 및 필로티 구조 자동 판별 알고리즘 개발
김인한(Inhan Kim),이아진(Ahjin Lee),이세진(Sejin Lee),김지영(Jiyoung Kim),최중식(Jungsik Choi) (사)한국CDE학회 2021 한국CDE학회 논문집 Vol.26 No.4
Various efforts are being made to commercialize BIM in Korea. Conformity assessment is used as a way to improve BIM data quality. When code checking, the use or the space is limited first. Thus, the importance of spatial classification increased, and the names of spaces were coded. However, there were cases where spaces with the same name were external and internal (e.g., Balcony), which could not be distinguished by spatial classification codes. Therefore, an automatic identification algorithm for internal and external space was developed and verified. Additionally, the piloti structure among the external spaces has clear conditions, so we developed the automatic identification algorithm for piloti structure using automatic identification algorithm for internal and external space. It is expected that it will be used when conducting research that automatically calculates areas.
LDA 토픽 모델링을 활용한 건축주의 단독주택 주거요구 문장 분석
김인한(Inhan Kim),이아진(Ahjin Lee),김지영(Jiyoung Kim),최중식(Jungsik Choi) (사)한국CDE학회 2022 한국CDE학회 논문집 Vol.27 No.4
With the prolonged COVID-19, people stayed at home longer. This led to a new change in residential life, and as interest in the space of home increased, human demands for home diversified. In this paper, sentences for the owners housing needs were collected as a range of detached houses that can reflect various housing needs, and sentences were analyzed using LDA topic modeling. The number of topics was set to 9 using coherence, but most of the sentences were complex sentences, making it difficult to define the topic. In future studies, a more accurate analysis of sentences for detached house owners housing needs will be conducted using the multi-label classification used in product review analysis to recognize and analyze complex sentences.
개방형BIM기반 건축 법규 검토를 위한 데이터 생성 가이드 제안
김인한(Inhan Kim),이세진(Sejin Lee),김지영(Jiyoung Kim),이아진(Ahjin Lee),최중식(Jungsik Choi) (사)한국CDE학회 2021 한국CDE학회 논문집 Vol.26 No.2
The importance of BIM in the architecture, engineering and construction (AEC) industry is increasing. Domestic and foreign government agencies are making efforts to make BIM mandatory step-by-step and roadmap and provide comprehensive guidelines or standards for the introduction of BIM. Data storage and sharing over the AEC industry is one of the important features of BIM, where the amount and quality of the data are determined by how the model is built. Even with reference to the BIM guidelines of the upper concept, modeling guides are needed to ensure that the correct data can be delivered according to the application stage or needs. This paper presents a building information level(BIL) 30-level BIM data generation guide for building code compliance checking at the architectural design stage. To this end, prior studies related to regulation check were analyzed, and object-specific guides were presented for users by comparing the requirements derived from regulation analysis with case-by-case models. BIM data generation guides developed through this paper are targeted at architectural methods, excluding items with high land or detail levels. In this study, users will be able to efficiently write models for complex regulation check, reducing errors in BIM models, improving quality and increasing efficiency.
개방형BIM기반 자동 법규 검토를 위한 피난계단 분류 방안 연구
김인한(Inhan Kim),김지영(Jiyoung Kim),이세진(Sejin Lee),이아진(Ahjin Lee),최중식(Jungsik Choi) (사)한국CDE학회 2021 한국CDE학회 논문집 Vol.26 No.3
With the recent increase in high-rise buildings, vertical evacuation routes are becoming more important, and stairs are a representative vertical evacuation route. In Korea, escape stair is classified into three categories: ‘fire escape stairs’, ‘outdoor escape stairs’, and ‘special escape stairs’. In the classified escape stairs, different criteria for the establishment is applied depending on the building condition so that human casualties can be minimized in case of a disaster. As the building becomes larger and more complex, the process of selecting and designing suitable escape stairs is cumbersome. By using the openBIM based building code checking system, we want to automatically classify the types of escape stairs and check the appropriate criteria for the establishment. After analyzing the contents of the relevant laws and categorizing stairs according to the number of floors, use, and floor area of the building, a flowchart was prepared. Also, the escape stairs BIM model modeling method for checking the criteria for the establishment of fire escape stairs was proposed. By automatically classifying the types of escape stairs and checking criteria for the establishment, it is expected to reduce errors in selecting escape stairs and help secure the safety of the vertical evacuation route.