Abstract
The post-earthquake retrofitting and repair process of a building is a key factor in improving its seismic capability. A thorough understanding of retrofitting methods and processes will aid in repairing post-earthquake buildings and improving seismic resilience. This study aims to develop a visualization framework for the post-earthquake retrofitting of buildings which builds models based on building information modeling (BIM) and realizes visualization using augmented reality (AR). First, multi-level representation methods and coding criteria are used to process the models for a damaged member. Then, an information collection template is designed for integrating multi-dimensional information, such as damage information, retrofitting methods, technical solutions, and construction measures. Subsequently, a BIM model is presented in three dimensions (3D) using AR. Finally, the visualization process is tested through experiments, which demonstrate the feasibility of using the framework to visualize the post-earthquake retrofitting of a building.
Highlights
Between 2000 and 2019, there were 552 earthquake events in the world
Postearthquake retrofitting refers to the seismic repair of a structure that has not lost much of its seismic resilience and aims to restore its seismic capacity to a certain level [3]
This study presents a visualization method and framework for the application of building information modeling (BIM) and augmented reality (AR) in the post-earthquake retrofitting of buildings
Summary
Between 2000 and 2019, there were 552 earthquake events in the world. Earthquakes affected a total of over 1.18 billion people, led to approximately $636 billion in economic losses worldwide [1]. The destruction and collapse of buildings and various engineering facilities caused by the earthquake caused huge losses to the country and brought many inconveniences to people’s lives. To ensure safety and improve the daily lives of people in the stricken area, post-earthquake inspections, evaluations, appraisals, and retrofitting of buildings should be conducted within an appropriate time [2]. The normal use of earthquake-damaged buildings after repair depends on the severity of the original earthquake damage, and on the quality of retrofitting. It would be affected if the contractor is too inexperienced or if the repair process is too complicated to appropriately complete the retrofitting task [4]. It is necessary to use building information modeling (BIM) and augmented reality (AR) to integrate and visualize retrofitting information, so as to improve the level of intelligent management in the construction process
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