Smart · Secure · Scalable
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Structural Health Monitoring
Railways Bridges Buildings Highways Dams

Structural Health Monitoring

Real-time intelligence for structures that cannot afford to fail — continuous sensing, instant alerts, and predictive analytics in one integrated platform.

What We Do

Continuous Monitoring for Critical Infrastructure

From single-span bridges to city-wide rail networks, Sentra deploys purpose-built IoT systems that deliver structural intelligence around the clock.

End-to-End SHM, Purpose-Built for Your Asset

Sentra's Structural Health Monitoring service combines high-fidelity sensors — GNSS, accelerometers, tiltmeters, vibrating wire gauges — with edge-enabled data acquisition gateways and cloud-hosted analytics to give asset owners a continuous, real-time picture of structural behaviour. Our engineers design each monitoring programme around the specific failure modes of your structure: fatigue cracking in steel railway bridges, differential settlement in high-rise foundations, concrete spalling in highway flyovers, or seepage-driven instability in dams. Thresholds and alerts are calibrated against structural design limits so your team receives only meaningful, actionable notifications — not noise. Whether you need a short-term construction-phase monitoring system or permanent lifetime surveillance, we scale from a single sensor node to multi-site enterprise deployments with role-based dashboards, API integrations, and automated reporting.

GNSS-based millimetre-precision tracking of vertical and horizontal displacements, long-term settlement trends, and differential movement between critical structural points.

Multi-axis accelerometers capture modal frequencies, damping ratios, and peak acceleration under live traffic and environmental loads to detect stiffness degradation.

Vibrating wire strain gauges and foil gauges measure live load strains, residual stresses, and cumulative fatigue damage accumulation on critical structural members.

High-resolution tiltmeters and laser tiltmeters monitor angular rotation of piers, pylons, retaining walls, and towers with sub-arcminute accuracy.

Automated crack gauges track opening, closing, and propagation of known cracks in concrete and masonry, with configurable alert thresholds tied to structural limit states.

Distributed temperature sensors capture thermal gradients, seasonal expansion cycles, and freeze-thaw effects that drive long-term structural movement and cracking.

Impact

Measurable Outcomes

Quantifiable results delivered through our monitoring and engineering solutions across infrastructure projects.

Track Record

Proven delivery
200+
Structures Monitored
Across bridges, buildings & railways

Efficiency Gains

Optimised operations
40%
Cost Reduction
Avg. inspection cost savings

Reliability

Always on
99.5%
System Availability
24/7 continuous uptime
Process

How It Works

A structured, engineering-led process from initial site survey through to ongoing 24/7 monitoring and expert reporting.

Site Survey & Risk Assessment
01 Step One

Site Survey & Risk Assessment

Our engineers visit the structure to assess condition, identify critical failure modes, and define monitoring objectives aligned with your safety and maintenance goals.

Instrumentation Design
02 Step Two

Instrumentation Design

A bespoke sensor layout is designed — specifying sensor types, locations, sampling rates, and communication architecture — to target the identified risk parameters.

Professional Installation
03 Step Three

Professional Installation

Sensors, edge gateways, and communication equipment are installed by certified engineers, minimising disruption to operational structures and traffic.

24/7 Data Collection
04 Step Four

24/7 Data Collection

Edge-enabled data acquisition units collect, pre-process, and securely transmit sensor data continuously — with local storage as a fallback during connectivity outages.

AI-Powered Analytics
05 Step Five

AI-Powered Analytics

Cloud analytics apply machine learning models to detect anomalies, trend structural behaviour, correlate loads with responses, and flag conditions requiring intervention.

Reporting & Recommendations
06 Step Six

Reporting & Recommendations

Monthly performance reports, real-time dashboards, and on-demand summaries provide your team with clear, actionable maintenance and operational recommendations.

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Showcase

See Our Solutions in Action

Real deployments, real impact — from field instrumentation to command centre dashboards.

Real-time SHM dashboard with multi-sensor data visualization
Real-time SHM dashboard with multi-sensor data visualization
GNSS Displacement Monitoring
GNSS Displacement Monitoring
Vibration Sensor Deployment
Vibration Sensor Deployment
AI-Powered Analytics Platform
AI-Powered Analytics Platform
Railway Bridge Monitoring System
Railway Bridge Monitoring System
Benefits

How It Helps Your Organisation

Quantifiable outcomes that transform how infrastructure owners manage, maintain, and extend the life of their assets.

Prevent Catastrophic Failure
Continuous monitoring detects early-stage structural deterioration — cracks, excessive deflection, vibration anomalies — before they escalate into safety-critical events or structural collapse.
Cut Inspection Costs 40–60%
Condition-based monitoring replaces expensive blanket inspection regimes. Resources are directed only to locations and time periods where data indicates it is needed.
Extend Service Life
Early intervention and optimised maintenance, guided by real structural data, can extend asset service life by decades compared to time-based replacement schedules.
Regulatory Compliance
Automated audit trails, certified reports, and documented alert responses support compliance with railway safety authorities, national bridge codes, and international standards.
Predictive Maintenance
Machine learning models trained on your structure's behaviour forecast when maintenance interventions will be needed, enabling planned rather than reactive works.
Informed Lifecycle Decisions
Longitudinal structural data supports major asset decisions: rehabilitation vs replacement, load restriction, capacity upgrades, and life extension justification — backed by engineering evidence.
Instant Alerting
Configurable multi-tier alerts (warning, alert, critical) are delivered via SMS, email, and dashboard notifications, enabling your operations team to respond immediately to structural events.
Risk Mitigation

What It Prevents

The real cost of not monitoring is measured in emergency closures, catastrophic repairs, and legal liability. SHM eliminates these risks before they materialise.

Industries

Industries We Serve

Sentra's SHM solutions are tailored for the asset types, operating environments, and regulatory frameworks of each sector.

Railway Networks
Bridges, viaducts, and embankments under live rail traffic monitoring
Road Bridges
Highway flyovers, cable-stayed bridges, and major crossings
High-Rise Buildings
Tall structures, deep basements, and adjacent construction impacts
Dams & Reservoirs
Embankment, gravity, and arch dams with seepage and deformation monitoring
Ports & Marine
Wharves, jetties, and marine structures in corrosive environments
Why Us

Why Choose Sentra

01
End-to-End Delivery
From concept and sensor selection through installation, analytics configuration, and ongoing support — Sentra manages every element of your SHM programme so you don't have to coordinate multiple vendors.
02
200+ Deployed Structures
Our field experience across hundreds of railway bridges, highway structures, and civil assets means we anticipate installation challenges, choose the right sensor for each environment, and deliver programmes that work reliably.
03
Certified Engineering Team
Our structural and instrumentation engineers hold relevant professional certifications and bring deep domain knowledge across bridge engineering, geotechnics, and IoT systems integration.
04
Custom Monitoring Protocols
We don't sell off-the-shelf packages. Every programme is designed around your structure's specific failure modes, operational constraints, reporting requirements, and budget.
FAQ

Frequently Asked Questions

Can't find what you're looking for? Contact our team — we're happy to help.

We deliver end-to-end Structural Health Monitoring services: site survey and risk assessment, custom SHM programme design, sensor procurement and professional installation, edge-enabled data acquisition and secure gateways, 24/7 real-time analytics and alerting, digital-twin visualisation, predictive maintenance models, monthly performance reports, system integration with asset management or SCADA platforms, and ongoing operational support.

You will see useful sensor readings and basic alerts within hours to days of installation. Actionable trends and a reliable structural baseline typically emerge within 2–6 weeks of continuous data collection. Advanced predictive models and full digital-twin calibration generally require 2–6 months of data, depending on site complexity and traffic or environmental cycles. We recommend a 4–8 week pilot to validate measurements and tune alert thresholds before full deployment.

Yes. We design scalable SHM solutions for single-span bridges up to large multi-site railway networks. Small projects start with a targeted pilot; enterprise clients receive multi-site dashboards with role-based access, comparative performance views across their asset portfolio, and integration with existing asset management systems. Solutions are tailored to budget, regulatory requirements, and available technical resources.

Absolutely. Every installation is customised — from sensor types and sampling rates to analytics configuration, reporting cadence, and integration with your systems. Our process is: site survey → risk and scope definition → modular proposal → optional pilot → full deployment. Custom packages include all documentation, test plans, and handover training.

We recommend starting with a technical site survey and risk assessment. That identifies the structure's critical failure modes — fatigue, corrosion, cracking, settlement — and the sensor mix required. From there we propose a focused pilot or full programme based on your objectives: safety assurance, long-term performance tracking, regulatory compliance, or cost-optimised maintenance scheduling.

Standard monthly reports include an executive summary, sensor health and system uptime, trend plots for all monitored parameters (strain, displacement, vibration, temperature), identified anomalies with engineering interpretation, recommended maintenance actions and prioritisation, and a downloadable CSV of key metrics. Custom reporting frequencies — weekly or quarterly — and formats are available on request.

Free Consultation Available

Talk to Our SHM Expert

Tell us about your structure and monitoring objectives. We'll design a programme that fits your asset, budget, and timeline — with no obligation.