• 한국BIM학회 논문집
• /
• 제6권4호
• /
• pp.27-34
• /
• 2016

A Building Information Model (BIM) is an attempt to simulate the process of building structures in a three-dimensional (3D) digital space. While the technology is usually applied to structured buildings, bridges, and underground facilities, it is rarely applied to an unstructured environment of earthwork operations. If a BIM is used for earthworks, the 3D simulation can be used for construction equipment guidance and earthwork management. This paper presents a real-time, 3D earthwork BIM that provides a 3D graphical simulation of excavators in conjunction with geographic modeling. Developing a real-time, 3D earthwork BIM requires handling a variety of factors, such as geographical information and vehicular movement. This paper mainly focuses on the management of these attributes and provides a database design for storing and retrieving data. In an example application, a prototype of the 3D earthwork BIM is presented to understand what it would provide when used during earthwork operations at a construction site.

• 국제학술발표논문집
• /
• The 3th International Conference on Construction Engineering and Project Management
• /
• pp.579-586
• /
• 2009

4D simulation integrates the 3 dimensional model of a building with the construction schedule, and it leads to the possibility of virtually checking the construction process and the building itself in advance. However, the existing problem of 4D simulation is the difference between the demands of architects, engineers, and construction site workers in 4D simulation. This study suggests the possible way to enhance the availability of 4D simulation, considering more the practical demands from the construction site. In order to conduct this study, we build a 3D BIM model of a business-residential complex and link the model with the pre-defined construction schedule in order to make a 4D simulation. This study concludes with the optimized 4D simulation methodology based on BIM model considering the demands in perspective of the construction site. It would contribute to the harmonic collaboration among architects, engineers, and labors in the construction site when using 4D simulation based on BIM model.

• 토지주택연구
• /
• 제11권4호
• /
• pp.105-113
• /
• 2020

In this research, the automated system for 3D modeling and stability evaluation of caisson was developed. It is possible to build a BIM model while examining the stability of the structures to improve the practical use of BIM technology. This study analyzed industry cases and guidelines for caisson stability evaluation and BIM-based modeling. As a result, the data for calculating the stability evaluation of caisson as well as the modeling parameters were derived. In particular, the automated system for 3D modeling, which reflects more than 30 parameters, allows for BIM models for various types of the caisson, such as open-cell caisson, open-cell caisson with uneven, slit caisson, slit caisson with uneven, and curved caisson. The study tested the proposed system using case studies and found that it helps not only to automate the BIM model with various caisson types as parameters but also to make partial shape changes accessible. The study also confirmed that the stability evaluation can be quickly carried out with shapes changed. Finally, the study results suggest that the proposed method should complete the task seven times as fast as the conventional work method.

• 한국건축시공학회:학술대회논문집
• /
• 한국건축시공학회 2011년도 춘계 학술논문 발표대회 1부
• /
• pp.145-148
• /
• 2011

As a futuristic construction model, building information model(BIM) based project management system(PMIS) and mobile PMIS have been showing visible sign. However, researches on the 3D BIM based PMIS using mobile device are hard to find, result from limitation of mobile device application(slow speed at huge BIM file, display size, and etc.) and undefined standard of business processes. Therefore, this research aims at studying feasibility of mobile BIM PMIS based on cloud computing as a business model. In case of applying mobile BIM PMIS, 3D drawings and integrated building informations are possible on mobile devices in real time. it would support increasing the productivity of project participants as designer, engineer, supervisor, and etc. Globally, BIM based PMIS and Mobile BIM system, cloud computing based mobile BIM simulator are in the concept or experimental phase, therefore it is possible to secure global leading technology of IT and construction merger in the mobile BIM.

• 한국건축시공학회:학술대회논문집
• /
• 한국건축시공학회 2018년도 춘계 학술논문 발표대회
• /
• pp.68-69
• /
• 2018

The construction drawing is a collection of knowledge that has accumulated knowledge and experience of designers and is highly valuable for recycling in the future. BIM is a process and technology that acquires and manages the information needed for the whole life cycle of a building. In order to recycle digitalized 2D drawings in BIM Tool, it is required to use 3D information based on the drawing information to save and reuse them, but there is little research on related methods or system development. In this study, 3D elements are created based on 2D drawing information, and libraries are constructed, and BIM Tool is used to improve the recyclability of drawing information.

• 한국철도학회논문집
• /
• 제18권4호
• /
• pp.344-353
• /
• 2015

최근 BIM의 활용이 시각적인 3D모델링 이외에 일정 및 공사비 시뮬레이션, 시각적 공사현황관리, 증강현실적용 등으로 확장되면서, 이에 따른 다양한 BIM기능들이 개발되고 있다. 그러나 개발되는 기능들에 대해 명확한 분류기준과 지식정보가 부족하여, 공사프로젝트에 필요한 기능들을 파악하는데 어려움이 있다. 따라서 본 연구에서는 서로 다른 BIM기능의 특성을 반영하여 BIM기능요소 분류체계를 구성하고, 이를 기반으로 BIM기능을 발주할 수 있는 발주모형 구성 방안을 제시하고자 한다. 이로써, 철도시설사업에 적용할 수 있는 BIM기능을 분석하여 실무적 활용성을 높이고자 하였으며, 사례적용을 통해 활용성을 검증하고 있다.

• 한국건축시공학회지
• /
• 제14권4호
• /
• pp.292-300
• /
• 2014

건설 프로젝트에 BIM기술이 적용되기 시작하면서, BIM은 전 생애주기 동안 다양한 분야의 정보를 생산하고 활용될 수 있도록 활발한 연구가 진행되고 있다. 따라서 본 연구는 BIM기반의 물량산출 데이터를 활용하여 생산성을 분석할 수 있는 방안을 제시할 목적으로 진행되었다. 본 연구에서는 3D BIM기반 모델을 기반으로 부재의 물량정보를 활용하여 물량을 산출하였으며, 이를 활용하여 현장 생산성을 도출하여 통합 생산성 기준과 비교 분석하였다. 향후 본 논문의 연구 결과를 기반으로 생산성 저하요인을 분석하여 현장생산성을 향상시킬 수 있는 관리방안 도출이 가능할 것으로 사료된다.

• 한국전산구조공학회논문집
• /
• 제24권4호
• /
• pp.421-428
• /
• 2011

국내 토목분야의 건설산업에서는 비효율적인 의사소통으로 인하여 발생하는 업무전환 단계에서의 정보누락 및 그로 인한 비용손실 등의 문제점을 해소시키기 위한 획기적인 해결책으로 BIM의 도입이 대두되고 있다. BIM은 구조물의 생애주기 전 단계에서 발생되는 모든 정보들을 3차원 파라메트릭 CAD와 연계된 3차원 정보모델을 통하여 관리하여 정보활용의 효율성을 극대화시킨다. 본 논문에서는 BIM기반의 교량건설 프로젝트의 구조설계 업무에서 사용할 목적으로 강상자형 교량의 3차원 정보모델을 활용한 내진해석 프로세스를 제안하였다. 또한 3차원 정보모델의 속성정보들이 구조적 데이터를 내재할 수 있도록 하기 위하여 3차원 모델링작업이 구조설계 업무를 통하여 결정되는 정보들을 활용하여 이루어질 수 있도록 하는 프로세스를 제안하였다. 제시된 프로세스는 현재 건설이 진행 중인 강상자형 교량을 적용하여 구성하였다. 또한 프로세스를 적용하여 내진해석의 최종 산출물인 내진계산서의 도출이 가능하다.

• 한국BIM학회 논문집
• /
• 제8권2호
• /
• pp.1-9
• /
• 2018

Nowadays Building Information Modeling (BIM) is a significant source of sharing project information in the construction industry. This method of sharing the information enhances the project understanding among stakeholders. Modeling of information using BIM is becoming an essential part of many construction projects around the globe. Despite rapid adoption of BIM in construction industry still, some sectors of the industry like earthwork have not yet reaped its full benefits. BIM has brought a paradigm shift through identification and integration of the roles and responsibilities of project participants on a single platform. BIM is a 3D model-based process which provides the insight into the efficient project planning and design. The 3D modeling can also be used significantly for the design of temporary structures in an earthwork project. This paper presents the quantity take-off methodology and parametric modeling technique for creating the temporary structures using 3D BIM process. A case study is conducted to implement the proposed temporary structure family design on a real site project. The study presented is beneficial for the earthwork project stakeholders to extract the relevant information using 3D BIM models in a project. It provides an opportunity to calculate the quantity of material required for a project accurately.

• 한국CDE학회논문집
• /
• 제19권1호
• /
• pp.80-90
• /
• 2014

In architecture projects, BIM library has widely been using for prefabrication of products and design process. However, since the shape of structures is different by each project in civil engineering projects and a shape representation system is complicated, it is not easy to develop a standardized BIM library. To solve these issues, this study develops BIM library based on standardized 2D shop drawings for civil structures. The standardized shop drawings, which are the targets of the BIM library model, should be first selected. Besides, in order to define modeling scope with the level of general and shop drawings for each structure, LOD(Level of Detail) and breakdown structure are determined, and development methods of families of 3D object type including 2D profile and rebar through commercial software are established. With these, properties of BIM library are configured, and a utilization model of the BIM libraries is constructed for 3D modeling and a simulation using the BIM library. Therefore, this study can identify properties that are necessary when IFC schema is configured for civil engineering projects. For future, it is expected that easiness of BIM design for the civil engineering projects and generation, management, and analysis system of BIM library for road projects will be secured.