Measuring sensors optimize underground tunnel construction and drilling

Tunneling has existed since the earliest human civilizations and is an important foundation for the world's infrastructure history. However, with today's technology, the method of tunnel construction has changed drastically.

On drilling, excavation and tunneling projects for natural resources are often civil engineering and building contractors involved. They work on a wide range of infrastructure projects that require tunnels, including transportation systems such as subways, high-speed rail tunnels, road underpasses, and utility tunnels for water, sewer, and power lines.

Drilling and tunneling projects are part of state-run projects Infrastructure programs worldwide. These authorities contract out and purchase drilling machines for public infrastructure projects such as flood control and water treatment systems that require underground development. Mining company often use drilling rigs to access tunnels to reach mineral deposits.

Tunneling involves digging tunnels through a variety of natural materials, including earth, rock, and even under bodies of water. These underground routes are important for transportation, utilities and infrastructure development.

Tunneling is one design type, which involves digging a large tubular passage through the earth. It can also be referred to as “mountain excavation”, whereby these tunnels are excavated using a tunnel boring machine (TBM).

Main purposes for the use of sensor technologies in tunnel boring machines and equipment

Efficiency: Compared to traditional methods such as drilling and blasting, it enables faster and more controlled excavation.

Accuracy: TBMs can create smooth tunnels with minimal deviations, reducing the need for additional wall work.

Safety: Drills minimize ground disturbance and vibration, making them safer for urban environments and workers compared to blasting.

Lower environmental impact: Controlled excavation produces less dust, noise and debris than traditional methods.

Measurement solutions from Interface for tunnels, drilling and excavations

Tunnel Boring Machine (TBM) Performance: TBMs are designed to cut through rock and soil using a rotating cutting head. The cutting wheel torque must be monitored and tested to ensure it is functioning properly during excavation operations. The T2 Ultra Precision Shaft Style Rotary Torque Transducer of Interface are attached to the cutting drives of the cutting wheel used to cut the material. When connected to the series data acquisition system BX8-AS BlueDAQ The customer can monitor the torque of the TBM's cutting wheel mechanism when connected to the customer's computer using the included BlueDAQ software. The Multi-axis sensors The interface can also monitor the position and orientation of the TBM cutting head in real time. This data is used to control the control of the machine and ensure precise tunnel excavation.

Machine control and automation: Load cells, torque transducers and multi-axis sensors provide data that can be used to automate various functions of drilling, tunneling and earthmoving machines. For example, they can be used to control the bucket filling process or the directional control of a TBM.

Tailings management: load cells can Trucks weighthat transport excavated material. This data is used for billing purposes and to comply with weight limits.

Safety systems: Load cells and torque transducers can be used as part of safety systems for drilling, tunneling and earthmoving machines. They can prevent overloads or shut down the machine when a potential danger is detected.

Data collection to optimize performance: Data collected from load cells, torque transducers and multi-axis sensors can be used to analyze machine performance and identify areas for improvement. This data can also be used to develop more efficient and productive drilling, tunneling and earthmoving methods.

Pile Force Monitoring: Load cells monitor the force exerted by the hammer during the piling process. This data is critical to ensure piles are driven to the correct depth and capacity.

Excavator bucket load monitoring: Load cells can be integrated into excavator buckets to monitor the weight of excavated material. This information can be used to optimize excavator productivity and prevent overloading.

Drilling rig thrust and torque monitoring: Load cells and torque transducers monitor drilling rig thrust and torque. This data is important to ensure proper drilling performance and prevent damage to the drill string.

Interface load cells can be strategically installed in tunnel boring machines (TBMs) and accurately measure the forces that occur during excavation. Torque transducer can measure reaction or rotational forces on equipment components to ensure proper operation of tools and machines. Multi-axis sensors are useful for collecting data in the X, Y and Z axes and creating deeper profiles of operational processes, especially related to automation and structural use cases. In addition, will Interface load pins and connectors used in drilling operations for equipment requiring safety and overload monitoring.

Interface sensor technologies are an important part of tunnel drilling operations. By monitoring parameters such as torque, thrust and pressure, these sensors provide real-time feedback to operators. This allows them to make adjustments to optimize performance and minimize risk. Whether navigating difficult geological formations or maintaining stability under dynamic conditions, force sensors play a critical role in maintaining the integrity and efficiency of tunnel drilling operations, underscoring their central role in the advancement of underground infrastructure.

Contact our application engineers if you need specific recommendations on sensors, meters, accessories, housings and complete measurement systems.