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Trimble > 实例探究 > 3D Models Keep I-94 Project on Time

3D Models Keep I-94 Project on Time

Trimble Logo
公司规模
Large Corporate
地区
  • America
国家
  • United States
产品
  • Trimble Terramodel™ Software
  • Trimble R8 GNSS Rovers
  • Trimble S6 and Trimble 5600 Total Stations
  • Trimble NetR5™ GNSS Reference Stations
  • Trimble VRS™ technology
技术栈
  • GNSS Technology
  • 3D Modeling Software
  • RTK GPS
实施规模
  • Enterprise-wide Deployment
影响指标
  • Customer Satisfaction
  • Productivity Improvements
技术
  • 分析与建模 - 数字孪生/模拟
适用行业
  • 建筑与基础设施
适用功能
  • 流程制造
用例
  • 施工现场监控
  • 楼宇自动化与控制
服务
  • 系统集成
关于客户
The Wisconsin Department of Transportation (WisDOT) is a state agency responsible for planning, building, and maintaining the state's highway system, including the Interstate 94 (I-94) North-South Freeway Project. WisDOT's mission is to provide a safe, efficient, and effective transportation system that supports economic growth and quality of life in Wisconsin. The department works closely with various stakeholders, including construction contractors, engineering firms, and local communities, to deliver infrastructure projects that meet the needs of the public. For the I-94 project, WisDOT collaborated with the Walsh Group, a leading construction contractor, and Collins Engineers Inc., an engineering firm, to manage the complexities of the project and ensure its successful completion.
挑战
The I-94 North-South Freeway Project in Wisconsin faced significant challenges due to its scale and the need for rapid execution. Initially divided into numerous sections, the project was accelerated by the American Recovery and Reinvestment Act (ARRA), which combined the independent projects and advanced the start date to mid-2009. This restructuring nearly halved the construction time for some portions, but it also introduced complexities in accurately interpreting construction plans and maintaining a comprehensive view of the entire project. The challenge was to manage these complexities while ensuring the project stayed on schedule and within budget.
解决方案
To address the challenges of the I-94 project, the Walsh Group and Collins Engineers Inc. collaborated with Kapur & Associates to develop a comprehensive solution. They commissioned the creation of two 'shovel-accurate' 3D models for earthworks, design, and construction using Trimble Terramodel™ Software. These digital models allowed project managers to pre-plan operations, rectify plan discrepancies, and avoid build mistakes in the field. The use of Trimble R8 GNSS Rovers, Trimble S6 and Trimble 5600 Total Stations, and Trimble VRS™ technology provided real-time RTK GPS data with high accuracy, enabling precise construction and survey operations. The integration of Trimble's VRS and GPS technology with the 3D models in Trimble TSC2 Controllers and Trimble GCS900 Grade Control Systems facilitated efficient earthworks and construction processes. The Trimble Connected Site™ solution ensured continuous integration of field data into portable controllers, connecting the 'back office' to the front lines and enabling real-time monitoring and adaptation to changes.
运营影响
  • The use of 3D models and advanced survey technology allowed for accurate pre-planning and rectification of plan discrepancies, reducing build mistakes in the field.
  • The integration of Trimble's VRS and GPS technology with 3D models facilitated efficient earthworks and construction processes, ensuring the project stayed on schedule.
  • The Trimble Connected Site™ solution enabled real-time monitoring and adaptation to changes, maintaining a well-orchestrated assembly line of mini projects.
  • The project successfully completed the first phase on time, opening the new four-lane southbound corridor to traffic in December 2009.
  • Construction on the northbound section began in March and is scheduled to be completed by the end of 2010.
数量效益
  • The project restructuring nearly halved the construction time for some portions.
  • Crews moved approximately 3,000 m3 (4,000 yd3) of dirt a day to prepare the construction footprint on schedule.
  • Surveyors staked out more than 45 lane km (28 lane mi) of concrete pavement to within a quarter of an inch vertically.

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