Industry: Road and Rail
Product: ContextCapture, gINT, iModelHub, LumenRT, MicroStation, Navigator, OpenBridge, OpenRoads, Pointools, ProjectWise, ProStructures, SYNCHRO
User: Shenzhen Highway Engineering Consultant Co., Ltd.
Country: China

October 21, 2019

Innovative and Comprehensive Use of Digital Twins for Grade-Separated Junction Project in East Yan’gang Region

The Grade-Separated Junction of East Yan’gang, east of the city of Shenzhen, is the intersection of four high-speed roads designed to provide access to Shenzhen’s Yantian Port and to the downtown area. The junction has a total length of 10.5 kilometers and includes 10 new ramps, 8 tunnels, and 16 bridges. With a total investment of RMB 1.47 billion, it will be one of the most complex grade separation projects and set the benchmark for future infrastructure projects in Shenzhen.

Shenzhen Highway Engineering Consultant Co., Ltd. is the first organization in China to have deployed Bentley’s iTwin Services to build digital twins for roadway design and operations. The team federated a large amount of data to support advanced multidiscipline BIM workflows with Bentley’s open modeling and simulation applications, including reality models, photogrammetry, geotechnical data, site information, grading, traffic monitoring, and business data. The team used ProjectWise as the collaborative platform so that the multidiscipline team could share and exchange models and information during design and construction.

ContextCapture was used to create 3D reality meshes of existing conditions for field measurement, land acquisition, demolition management, and earthmoving calculations. The team used Pointools to process point-cloud data and LumenRT to produce easily understandable visualizations. OpenRoads Designer, OpenBridge Modeler, ProStructures, and MicroStation were used to model roads, bridges, tunnels, and rebar.

With digital twins, the team could analyze the impact of road closures on traffic and the surrounding environment to help alleviate the impact of construction. Additionally, mixed reality workflows made it possible to analyze risk factors and verify the feasibility of the construction plan, including ensuring that municipal pipelines could be accurately located to avoid damage to existing facilities during construction.

As a result of using Bentley’s digital twin solution, Shenzhen Highway Engineering Consultant Co., Ltd. estimates it will improve overall communication efficiency by more than 15% and significantly enhance design efficiency. Once the project is completed, Shenzhen Highway Engineering Consultant Co., Ltd. will continue to leverage digital twins to support operations and maintenance, and as a foundation for future capital projects.

“Based on Bentley’s engineering design and simulation solutions and the use of digital twins, we have been able to achieve uniform conversion and integration of data from satellite images, laser point clouds, BIM models, and site information. This has allowed us to improve communication, collaboration, and design efficiency on the project,” said Lingyu Zhu, deputy general manager, BIM technology department.

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