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Development of a building information model-guided post-earthquake building inspection framework using 3D synthetic environments

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Earthquake Engineering and Engineering Vibration 2023年第2期22卷 279-307页

作者： Nathaniel M.Levine Yasutaka Narazaki Billie F.Spencer Department of Civil and Environmental Engineering University of Illinois at Urbana-ChampaignUrbanaIllinois 61801USA Zhejiang University-University of Illinois at Urbana-Champaign Institute Zhejiang UniversityHaining 314400China

Computer vision-based inspection methods show promise for automating post-earthquake building *** methods survey a building with unmanned aerial vehicles and automatically detect damage in the collected ***,assessing the damage′s impact on structural safety requires localizing damage to specific building components with known design and *** paper proposes a BIM-based automated inspection framework to provide context for visual surveys.A deep learning-based semantic segmentation algorithm is trained to automatically identify damage in *** BIM automatically associates any identified damage with specific building ***,components are classified into damage states consistent with component fragility models for integration with a structural *** demonstrate the framework,methods are developed to photorealistically simulate severe structural damage in a synthetic computer graphics environment.A graphics model of a real building in Urbana,Illinois,is generated to test the framework;the model is integrated with a structural analysis to apply earthquake damage in a physically realistic manner.A simulated UAV survey is flown of the graphics model and the framework is *** method achieves high accuracy in assigning damage states to visible structural *** assignment enables integration with a performance-based earthquake assessment to classify building safety.

关键词： computer vision earthquake engineering building information model physics-based graphics model synthetic environment

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Augmented Reality Applied to building Assessment with building information model Visualization

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Journal of Civil Engineering and Architecture 2014年第9期8卷 1129-1137页

作者： Marcia Regina de Freitas Regina Coeli Ruschel School of Civil Engineering University of Campinas Sao Paulo 13083-952 Brazil

AR （augmented reality） is a technology that adds information to the real world adding virtual elements to its visualization in real time. AR used in AECO （architectural, engineering, construction and operations） can contribute in augmenting visualization during design, construction and operation of the buildings. This article presents a study that applies AR to building assessment with BIM （building information） model visualization. The use of AR on existing applications for smart phones and tablets is validated. AR proposed an adaptation of the method of POE （post-occupancy evaluation） subsidized. Traditional POE process model involves three phases： planning, conducting and applying. In order to incorporate AR, it is proposed a total restructuring of the planning phase, developing the research instruments in three steps： 3D modeling, model treatment and AR application development. It was observed that for POE studies, the 3D models are in large scale and need to be detailed for precise comparison. BIM models for facility management, representing building use situation, are of the highest level of detail. A balanced point between simplicity and representativeness was the solution adopted in this experiment for uploading and downloading performance issues. This article presents and discusses findings for the new proposition for the activity of research instruments development for the planning phase of POE with AR as well as initial tests with first results and difficulties faced.

关键词： Construction management assessment augmented reality building information model

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Development Trend of Water Supply and Drainage Engineering Based on Life Cycle Assessment and building information model

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International Journal of Technology Management 2016年第10期 54-56页

作者： Lingtao Bian Chongqing Industry Polytechnic College Chongqing400016 China

With the rapid development of construction engineering and municipal engineering in recent years, water supply and drainage technology has gradually matured. building water supply and drainage design contains the design of rainwater drainage, sewage drainage design, water supply design and fire water supply design. At present, the research on the life cycle assessment of urban drainage system is mainly focused on the sewage treatment plant, therefore in this paper we introduce the theoretical basis of life cycle assessment. In the era of information network, building information model（BIM） technology is widely applied to the design of building water supply and drainage, which and effectively improves the design effi ciency, and makes up for the traditional water supply and drainage design of a lot of problems. In this paper, we analyze the development trend of water supply and drainage engineering based on life cycle assessment and building information model.

关键词： Water Supply and Drainage Life Cycle Assessment building information model Development Trend.

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Intelligent Construction Technology of Hyperbolic Curtain Wall

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Journal of World Architecture 2022年第4期6卷 76-82页

作者： Tong Lu Shuai Wang Ke-yang Wu Li Wang Chen Liu Wei Yang Wuhan Construction Group Co. Ltd.Wuhan 430056China

Taking the hyperbolic glass curtain wall project of the Wuhan Jinyinhu Commercial Plaza as an example,the characteristics of different curved glass forming technologies were analyzed in this *** with the actual engineering situation,the curved steel process is selected to produce the hyperbolic glass curtain wall,and the application of BIM technology in the quality control of hyperbolic glass curtain wall in the production process was analyzed,and the effects of heating condition,bending time,cooling condition,and bending tempering error in the manufacturing accuracy of the curved glass curtain wall were studied,in hope that this project can provide practical reference for similar curtain wall design construction in the future.

关键词： Hyperbolic curtain wall Bending process building information model Construction technology

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The Development and Dilemma of BIM Technology in China

The Development and Dilemma of BIM Technology in China

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北京科技大学天津学院建院十五周年校庆

作者： XU Zhaohe School of Civil Engineering Tianjin CollegeUniversity of Science and Technology Beijing

BIM(building information model) brings the second leap technology revolution for civil engineering industry after CAD(Computer Aided Design).BIM Technology has been widely spread and developed in China,and has been applied in many projects,but there are still many *** technology has brought new ways and new ideas to engineering technology and engineering management,but most people still don’t have a good understanding of its status and value,the distribution management system of traditional design institutes also limits the development of BIM design *** requirements of collaborative work for each link of engineering construction make the weak link form a short board,and so *** the above problems,we must pay attention to them.

关键词： building information model BIM technology application BIM application dilemma

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基于城市信息模型的新型智慧城市管理平台

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区域与城市经济 2019年第3期

作者：包胜杨淏钦欧阳笛帆

自2012年我国开展智慧城市建设项目以来，各地智慧城市的建设如火如荼。然而，在实践过程中，现有的智慧城市建设模式仍然反映出许多不足之处，“数据孤岛”“重复建设”等现象屡见不鲜。近年来，随着城市信息模型技术的诞生，这一结合... 详细信息

自2012年我国开展智慧城市建设项目以来，各地智慧城市的建设如火如荼。然而，在实践过程中，现有的智慧城市建设模式仍然反映出许多不足之处，“数据孤岛”“重复建设”等现象屡见不鲜。近年来，随着城市信息模型技术的诞生，这一结合了三维地理信息系统、建筑信息模型和物联网等多种先进技术的城市管理手段，将为智慧城市的建设注入新鲜的血液。从智慧城市和CIM技术的内涵出发，两线并行，形成一套基于CIM的智慧城市管理平台设计方案，并结合现存的智慧城市建设管理模式，对基于CIM的新型智慧城市建设的合作模式、内在逻辑、运行优势和建设目标进行细致讨论，最终为我国“新型城镇化”建设提供一套切实可行的方案。

关键词：城市信息模型建筑信息模型智慧城市新型城镇化 city information model building information model smart city new-type urbanization

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