Solutions – Construction site monitoring

Maximize Your Construction Site Safety

The complete solution for Static SHM,
Dynamic SHM, and Geo-environmental monitoring

Our Smart SHM System

Construction sites are dynamic places: since the full design of the structure is not yet realized, even one small miscalculation can cause great damage and put many lives at risk.

Our Smart Structural Health Monitoring system combines wireless sensors and a cloud platform for Static SHM, Dynamic SHM and Geo-environmental monitoring.

Enhance safety

Ensure that construction sites are safe thanks to 24/7 remote monitoring and timely alerts when thresholds are exceeded.

Improve quality

Verify that construction work is performed to high quality standards easily analyzing data thanks to our user-friendly platform.

Increase productivity

Reduce costs and downtime thanks to easy sensor installation, system scalability and early detection of structural issues.

Nearby Buildings Stability

Settlement, Inclination, Deformation, Cracking, and Environmental factors

Nearby Buildings Vibrational Analysis

Vibration velocity, Frequency, Amplitude, Duration, Direction, Modal Analysis, and Acceleration

Excavation Pit Stability

Inclination, Lateral pressure, Deformation, and Support forces

Ground Deformation

Soil movement, Groundwater level, Strain, and Settlement

CONSTRUCTION SITE MONITORING SOLUTIONS

Construction Site Monitoring with Dynamic and Static Wireless IoT Sensors

During construction, monitoring the structural health of buildings and other structures is essential for ensuring the quality and safety of the final product. Real-time monitoring of critical parameters such as deformation, settlement, and vibrations can help engineers detect any irregularities or deviations from the design specifications.

Advanced technologies such as vibrometers, tilt sensors, accelerometers, and strain gauges can be employed for real-time monitoring of construction sites, allowing engineers to take corrective actions in real-time to ensure the integrity and safety of the structure. That includes:

• Pre-construction • Temporary works
• Excavation and foundations • Structural Health Monitoring

Vibrometer

It measures triaxial vibration parameters, providing a complete analysis of the frequency and amplitude of the vibrations. It also monitors temperature and it is wireless, plug-and-play and with a long-life battery.

Vibrational Analysis

Measure vibrations of structures around a construction site to increase safety and to comply with state regulations on structural monitoring, respecting the required threshold levels and sampling methods.

Crack-Meter-Vibration-String-Crackmeter-Displacement-Sensor

Single Channel Node + Crackmeter

The Crackmeter monitors changes in the width of cracks or fissures, while the Single Channel Node makes the sensor suited for LoRaWAN wireless communication, sending alarms when a certain activation threshold is exceeded.

Crack Monitoring

Measure the expansion and contraction of the fissure pattern and cracks that may occur as a result of strong vibrations.

Accelerometer

It measures acceleration and frequency in three axes, and it can be synchronised with other Accelerometers for Modal Analysis. It also monitors temperature, and it is wireless, plug-and-play and with a long-life battery.

Frequencies and modal shapes

Starting from the data of multiple synchronized Accelerometers, it is possible to carry out the Operational Modal Analysis (OMA) of the building, identifying the most significant vibration modes, monitoring the evolution of the modal parameters over time, identifying any anomalies or structural defects.

Tiltmeter

It measures triaxial tilt changes, allowing it to detect movement in any direction, and it can be synchronized with the other Tiltmeters for more effective monitoring. It also monitors temperature, and it is wireless, plug-and-play and with a long-life battery.

Construction Control

Monitor the inclination of structures throughout construction to ensure accurate building and prompt intervention if any issues arise.

Tiltmeter

Steel reinforcement stability

Monitor the stability of the steel reinforcement of the building under construction and the deformation of the underlying concrete floor.

Vibrometer

Vibration peaks

Monitor the vibration peaks of structures in the construction site to ensure they fall within the parameters and to increase safety.

Tiltmeter

Retaining walls stability

Monitor the stability of the retaining walls inside the excavation pit to ensure safety, comply with regulations, optimize construction efficiency, and prevent delays and additional costs due to unforeseen problems.

Single Channel Node + Inclinometer tube

The Inclinometer tube monitors changes in the slope or tilt of the ground, while the Single Channel Node makes the sensor suited for LoRaWAN wireless communication, sending alarms when a certain activation threshold is exceeded.

Rock and ground stability

Monitor the stability of the rock wall and surrounding ground at the excavation site, measuring slope to identify landslides, rockfall or settlements.

Tilt Beam

It consists of a series of wireless and battery-powered tiltmeters attached to a bar, which is then affixed to the structure to measure the degree of slope or tilt over a large area.

Tunnel convergence

Monitoring the tunnel convergence during the construction phase with tilt-beam bars installed in series: as the tunnel tilts, the tilt-beam chain bends and the sensors detect the changes in inclination at various points identifying any safety issues in time.

Single Channel Node + Strain Gauge

The Strain Gauge measures the strain or deformation of a structure, while the Single Channel Node makes the sensor suited for LoRaWAN wireless communication, sending alarms when a certain activation threshold is exceeded.

Steel struts deformation

Monitor the stability of the steel reinforcement of the building under construction and the deformation of the underlying concrete floor.

Gateway

It acts as an intermediary, using LoRaWAN communication to collect data measured by the sensors and transmitting them to the Cloud Platform where it can be processed, analyzed, and acted upon. The device is Outdoor IP67 and is powered by PoE; optionally it can be powered by battery, with solar panel.
The Gateway Pro is equipped with LoRa, LTE, GPS and Wi-Fi antennas. Thanks to the dual LTE antennas, increased cellular coverage is possible. The device also implements a Wi-Fi hotspot and a builtin GPS for very precise synchronization and geolocation of the product. It is a very easy to set up thanks to the automatic APN and the included PoE adapter.

Construction site monitoring

Check our overview brochure about Infrastructure monitoring with dynamic and static wireless IoT sensors.

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IoT DATA MANAGEMENT

Make decisions based on clear information

A single workspace to monitor and manage infrastructure project data.
Automate the processing and diagnosis of data by providing accurate and timely information about the health of a structure.

The PPV (Peak Particle Velocity)

The PPV (Peak Particle Velocity) is a measure of the maximum three-dimensional vibration velocity detected by the vibrometer sensor. The PPV is measured in millimeters per second (mm/s) and provides information about the magnitude of vibrations detected on the structure. It is computed as the modulus of the vector sum of x, y and z components.

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Spectrum Peak Frequency

It refers to the dominant frequency of vibrations detected by a sensor placed on a specific point of the structure. This frequency can be identified by analyzing the vibration signal recorded over time, which is decomposed into spectral components using frequency analysis techniques such as the Fourier transform.

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PCPV / Frequency scatterplot

The PCPV (Peak Component Particle Velocity) / Frequency scatter plot is plotted as amplitude (in time domain) versus frequency of the dominant harmonic. Each amplitude-frequency pair is compared to the alarm threshold selected by the user to establish whether an alarm is triggered or not.

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PCPV - Peak Velocity of a point component

The PCPV (Peak velocity of a point component) is used to evaluate the dynamic response of a structure to seismic events or vibrations induced by machinery.
The PCPV is usually measured at a critical point of the structure, such as a joint or an area with high stresses.

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Geotechnical parameters

The graph shows the trend over time of data collected by any geotechnical probe connected to a communication node. The data collected by these probes typically include information about water pressure, temperature, soil deformation, and other factors affecting the stability of structures, foundations, and soil.

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Overlays Tool

The Overlays tool allows you to superimpose data from different sensors on the same graph, in order to be able to compare the trends of the data of the structure in different positions and therefore to visualize the variations in inclination over time.

It allows to evaluate of the distribution of deformations in the structure and to identify of any critical areas.

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Trends

This page allows you to overlap the trends of different DECK sensors, in order to be able to compare the data of different physical quantities (for example dynamic displacement and temperature) and to identify any correlations between them.

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Modal Frequencies Tracking

Modal Frequencies Tracking is able to automatically monitor the variations of the vibrational modes over time. From the accelerometric or displacement data, it is possible to extrapolate the daily frequencies and modal shapes using the FDD (Frequency Domain Decomposition) technique.

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Modal Frequency Clustering

Modal Frequency Clustering (MFC) displays similar modal frequency clusters in a structure.
Several statistics are provided such as the mean, standard deviation, and percentage change from the mean value of each cluster.

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