Built for Every Phase – From Excavation to Operation
Specto Technology provides real-time, wireless tunneling monitoring solutions designed to support safe, efficient tunnel construction and long-term operation. Our rugged sensors and data loggers help engineers detect early warning signs, minimize downtime, and protect infrastructure throughout the full lifecycle of underground projects.
Tunneling is one of the most technically demanding environments in infrastructure development—where even small changes in ground behavior or structural response can have major consequences. At Specto Technology, we help tunneling professionals reduce risk and improve efficiency with reliable, wireless geotechnical and structural monitoring systems.
Working with trusted partners such as Worldsensing, we deliver scalable, low-maintenance monitoring solutions tailored to every tunneling method and condition—from urban cut-and-cover projects to deep-shaft TBM and NATM tunneling
Comprehensive Monitoring for Tunnel Construction
Specto Technology supports complex underground construction and civil engineering applications, including:
Tunneling and underground construction
Convergence Monitoring
Settlement & Heave Monitoring
Ground freezing
Micro-tunneling
Deep excavations
Induced ground and structural effects
Soil consolidation and compaction
Slope and ground stabilization
GEOTECHNICAL MONITORING
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Groundwater and Pore Pressure
Monitor groundwater fluctuations and pore water pressure using vibrating wire piezometers -
Vertical Deformation & Ground Movement
Track subsurface displacement and vertical deformation using MPBX systems connected to low-power wireless data loggers. -
Lateral Deformation in Excavations
Measure lateral movement in diaphragm walls, retaining structures, or tunnel sides using in-place inclinometers or ShapeArrays connected to digital loggers via wireless networks.
GEOSPATIAL MONITORING
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3D Displacement Monitoring
Achieve high-precision, millimetric movement tracking using Automated Motorized Total Stations (AMTS) and GNSS systems. -
Tilt and Angular Deformation
Monitor tilt, angular distortion, and building response to tunneling using wireless tiltmeters -
Tunnel Convergence Monitoring
Detect tunnel convergence and deformation using the LS G6 Laser Tiltmeter or the SAAV by Measurand, an ideal for both TBM monitoring and NATM tunnel monitoring.
STRUCTURAL MONITORING
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Crack and Joint Movement
Track structural response to tunneling using: String potentiometers & Crackmeters connected to vibrating wire data loggers -
Settlement and Heave
Measure building and ground settlement using automated settlement monitoring systems like Liquid Level Settlement Monitoring System, borehole extensometers, tilt beams and SAAXs chains. -
Anchor Load Monitoring
Evaluate load forces in anchors or tiebacks using load cells connected to wireless data loggers (via Worldsensing-compatible networks). -
Structural Stress and Strain
Monitor strain and stress in tunnel linings, beams, or shotcrete using vibrating wire strain gauges for long-term structural health monitoring.
ENVIRONMENTAL MONITORING
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The main pollutants generated tunneling constructions include:
Particulate matter (PM2.5), Ozone (O3), Nitrogen dioxide(NO2) -
Air Quality Monitoring and Dust Monitoring
Monitor airborne dust concentration and particulate matter in tunnel environments using Aeroqual Dust Sentry, supporting worker safety and environmental compliance. - Noise Monitoring
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Vibration Monitoring:
Monitor vibration and blasting effects during tunnel excavation and nearby construction activities using Specto’s vibration monitoring solutions. -
Weather Monitoring:
Specto’s weather monitoring solutions. -
Video Monitoring
Integrate remote field cameras with wireless gateways such as Starlink Mini to document construction progress and visual risks remotely.
IoT Remote Monitoring in Tunnel Construction
Specto Technology enables IoT-based remote monitoring using long-range, high-capacity wireless networks. Extended underground radio coverage—often exceeding 10 km using repeaters—ensures reliable data transmission even in complex tunnel geometries and low-visibility areas.
Our systems support digital, vibrating wire, and analog sensors, and integrate seamlessly with engineering software, dashboards, and digital twin platforms.
Why Choose Specto for Tunnel Monitoring?
Specto’s wireless dataloggers for tunnel sensors use low-power LoRa and LoRa Star technology to deliver reliable, real-time data transmission in hard-to-access underground environments—ideal for long-term tunnel infrastructure monitoring.
Plug-and-play, modular systems adapt easily to every tunnel construction phase—from excavation to operation—while reducing labor and maintenance costs.
Specto partners with leading manufacturers and technology providers to deliver proven, field-tested geotechnical instrumentation for tunnels worldwide.
Integrated with Digital Twins and Smart Platforms
All Specto monitoring solutions integrate seamlessly with cloud platforms and digital twin environments for advanced analytics, predictive maintenance, and smarter decision-making.