Surveying Underground: Overcoming Challenges in Mining International's Limestone Quarry
公司规模
Mid-size Company
地区
- America
国家
- United States
产品
- Trimble R8 GNSS Receiver
- Trimble VRS™ technology
- Trimble TSC2® Controller
- Trimble VX™ Spatial Station
- Trimble GX 3D Scanner
技术栈
- Trimble Survey Controller™ Software
- Trimble PointScape Software
实施规模
- Departmental Deployment
影响指标
- Digital Expertise
- Productivity Improvements
技术
- 分析与建模 - 实时分析
- 网络与连接 - 全球导航卫星系统 (GNSS)
- 传感器 - 相机/视频系统
适用行业
- 矿业
适用功能
- 现场服务
- 维护
用例
- 机器状态监测
- 远程资产管理
服务
- 系统集成
- 硬件设计与工程服务
关于客户
V3 Companies is an Illinois-based consulting firm specializing in engineering, construction, and environmental services. With a focus on providing innovative solutions, V3 Companies has established itself as a leader in the industry, offering a wide range of services to clients across various sectors. The company is known for its expertise in handling complex projects, particularly in challenging environments such as underground mining operations. V3 Companies' commitment to leveraging advanced technology and its ability to adapt to unique project requirements make it a preferred partner for clients seeking efficient and effective solutions. In the case of Mining International’s limestone quarry in Joliet, Illinois, V3 Companies was tasked with conducting a topographic survey of a tunnel, a project that required overcoming significant logistical and environmental challenges.
挑战
The task of conducting a topographic survey in Mining International’s limestone quarry in Joliet, Illinois, presented several challenges. The tunnel, which is 488 meters long, 7 meters high, and 6 meters wide, was originally used by large dump trucks to transport rock to the surface. However, as the mine expanded, a crushing plant was built, and a conveyor belt was installed to transport the crushed rock to the surface. The conveyor was hung from the tunnel ceiling to minimize disruptions, necessitating profiles of the tunnel’s ceiling for offsite system construction. V3 Companies faced challenges such as absolute darkness, transport issues, working on high platforms, and establishing control in a highly variable environment. Heavy truck traffic and daily road grading ruled out control set in the tunnel floor, requiring innovative solutions for control point establishment.
解决方案
To address the challenges of conducting a topographic survey in the limestone quarry, V3 Companies utilized Trimble’s Connected Site™ solutions. They established surface control using a Trimble R8 GNSS Receiver linked to the Precision Midwest Real Time Network (RTN) with Trimble VRS™ technology. This setup allowed them to extend control into the tunnel using the Trimble TSC2® Controller and Trimble VX™ Spatial Station. Due to heavy truck traffic and daily road grading, control points were set in the tunnel walls using threaded rods and prisms. The Trimble GX 3D Scanner, controlled by a laptop and Trimble PointScape Software, was used for scanning, with the Trimble VX employed for tight spots. Scans were assembled into a point cloud, with scan intervals set to 15 cm to keep file sizes manageable. For setting out bolt holes in the tunnel ceiling, a boom truck and a reversed prism were used, with an inverted rod and flashlight aiding visibility. The mine’s diesel-only policy necessitated the use of a diesel truck to power the scanners and provide lighting.
运营影响
数量效益
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