|Table of Contents|

Simulation System of Steel Bridge Prefabricated Construction Based on Virtual Reality(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2022年04期
Page:
108-116
Research Field:
Publishing date:

Info

Title:
Simulation System of Steel Bridge Prefabricated Construction Based on Virtual Reality
Author(s):
HUI Ji-zhuang1; 2;  FAN Bo-han1; 2;  DING Kai1; 2;  CHENG Xu-dong1; 2;  LIU Yong-jian2;  CHENG Gao2
(1. Key Laboratory of Road Construction Technology and Equipment of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Shaanxi Province “Four Bodies-One Union” College-Enterprise Union Research Center of Bridge Engineering Intelligent Construction Technology, Xi'an 710064, Shaanxi, China)
Keywords:
Unity3D;  steel bridge;  virtual reality;  human-computer interaction
PACS:
TU741
DOI:
10.19815/j.jace.2022.03020
Abstract:
In order to improve the assembly quality of steel bridges and reduce assembly risks, the SolidWorks and 3ds Max software were used to build the construction scene model of steel bridges, C# language was adopted to write the core script for realizing the assembly system, and the design scheme of system UI was proposed and realized. Combined with Steam VR 2.0 plug-in unit, the virtual reality technology application in the assembly process of steel bridge was studied with taking actual engineering construction project as simulation analysis object. Based on Unity3D virtual engine platform, an immersive virtual assembly system from a first-person perspective for prefabricated steel bridges was designed and developed. HTC Vive external headset docking system to debug and run was used, and the human-computer interaction was finally realized. The results show that the maximum working length of bridge crane boom is 33.554 m, the maximum lifting height is 12.365 m, the maximum elevation angle of main boom is 62.34°, and the key parameters of each steel bridge segment do not exceed the rated value, which guaranteed the construction quality and structure safety. During the lifting process, the maximum lifting height of crane should be higher than 6.7 m, so as to prevent the collision and interference between the crane components and each steel bridge segment. On this basis, the lifting height of the second segment is increased to eliminate the risks of collision between bridge segments. The users perform the virtual assembly operations, which verifies feasibility of ray detection and UI interaction. The on-site applications show that the designed system is stable and reliable. The system can predict construction process risks, optimize construction schemes, and improve level of intelligence and automation in the construction process of steel bridges.

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Last Update: 2022-07-10