Perception Comparison between the Physical Object  and Virtual Model in Residential Project using BIM-based Virtual Reality

Somjintana Kanangkaew; Natee Suriyanon; Manop Kaewmoracharoen; Dikai Pang; Pongammard Kanangkaew; Phatsaphan Charnwasununth

Authors

Somjintana Kanangkaew Chiang Mai University, Thailand https://orcid.org/0000-0003-1937-7345
Natee Suriyanon Chiang Mai University, Thailand
Manop Kaewmoracharoen Chulalongkorn University, Thailand
Dikai Pang Chulalongkorn University, Thailand
Pongammard Kanangkaew Suranaree University of Technology, Thailand
Phatsaphan Charnwasununth Chulalongkorn University, Thailand

Keywords:

Building Information Modeling (BIM), Virtual Reality (VR), Perception, Virtual model, Physical object

Abstract

Traditional methods of presenting residential projects, such as show units and scale models, have undergone significant transformation. These methods typically required potential people to visit the site in person to fully understand the designs and visualize the proposed structures' spatial relationships and aesthetic impact. However, both of these traditional approaches can be time-consuming. This study aims to create a proposed system that integrates Building Information Modeling (BIM) and Virtual Reality (VR) to enhance the presentation process in the residential project and examine the difference between the perception of the virtual model and the physical object throughout the residential project. Thirty respondents participated in the experiment, which measured their perception scores regarding the dimensions of three types of bedrooms at the residential project named Icon Project 7 (I-Sport). The paired sample t-test was used to analyze the differences in perception scores between the virtual model and the physical object. The results indicated that perceptions of the virtual model were not significantly different from the physical object. In addition, the time required to implement the proposed system to create a virtual model of this case study is 4 hours, which is a significantly faster approach than the conventional method, reducing the lead time before the show unit can be showcased to prospective buyers. Additionally, implementing the proposed system involved an investment cost of 169,993.29 Baht and an operation cost of 20,000.00 Baht per month. The ability of these virtual models to effectively simulate physical objects enables residential projects to enhance presentations while reducing project time and expenses.

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