ASTM C1074BS 1881-130BCA APPBCA-2024-22Singapore · Commonwealth
What it is

A market leader for North America — with key gaps for Commonwealth markets

Giatec SmartRock is a single-use NFC sensor estimating in-place concrete strength using ASTM C1074. Widely deployed in the US and Canada. For Singapore, Malaysia, Hong Kong, and other BS-standard markets, the gaps that matter most are continuous LoRaWAN transmission for 24/7 monitoring, no TMC tank product for BS 1881-130 cube validation, and no pre-pour thermal simulation capability.

Giatec Scientific is a Canadian company. SmartRock embeds in a pour and collects temperature data, which a site engineer retrieves by tapping a phone against the sensor via NFC. The app converts the temperature history into a compressive strength estimate using the maturity method (ASTM C1074). SmartRock is well-established in North America with strong brand recognition and a large library of calibrated mix designs in that market.

For projects governed by ASTM — primarily the United States and Canada — it is a solid, proven option. The NFC retrieval model works for sites where an engineer visits regularly, and the app interface is straightforward.

For Singapore & British Standard markets

When Singapore engineers add TMC to a maturity workflow — and why SmartRock can't

The maturity method stands on its own — it does not require temperature-matched curing as a condition. The maturity method is accepted in Singapore construction practice.

In practice, Singapore engineers choose to add TMC (BS 1881-130) alongside maturity monitoring in two situations: when first adopting the maturity method on a project or for a new mix — where a destructive cross-check builds calibration confidence — and when a client, RE, or inspector wants to see cube results alongside the non-destructive read. Once the method is established and trusted, teams typically drop the parallel TMC for routine pours.

Early adoption: calibration confidence
When first deploying the maturity method for a mix or project, running TMC cubes in parallel verifies that the calibrated strength-maturity curve accurately reflects in-situ conditions — building trust in the non-destructive read before relying on it for critical decisions.
Client or RE validation requests
Some structural engineers or clients want destructive cube evidence alongside maturity data when first encountering the technology. TMC cubes provide that — cured to the actual in-situ thermal history, not a fixed ambient, so the comparison is meaningful.
The SmartRock gap
SmartRock provides the maturity read but has no TMC product. Projects that need BS 1881-130 cube validation — whether for BCA compliance in Singapore or simply to build confidence in the method — must source a separate TMC tank. ConcreteAI's SmartCure integrates with SmartHub in a single workflow.
Transmission method

NFC tap vs continuous LoRaWAN — what the difference means on site

SmartRock transmits via NFC — a site engineer physically taps a phone to the sensor to retrieve data. This works on sites with regular visits and when readings are only needed during business hours.

For mass concrete pours where core-to-surface differential must stay below 20°C around the clock — including overnight and across weekends — NFC creates a gap. If no one is on site, a threshold breach can go undetected for hours.

ConcreteAI's SmartHub uses LoRaWAN, transmitting continuously to a cloud gateway without any site visit required. When a threshold is approached, a WhatsApp alert fires immediately — giving the team time to act before a limit is breached, not hours after.

Why it matters for mass concrete

In Singapore's tropical climate, mass concrete elements can hit peak hydration temperatures overnight. The window between approaching the 20°C differential limit and exceeding it can be 2–3 hours.

A sensor requiring a site visit to read cannot trigger an intervention in time. Continuous transmission is a compliance requirement for 24/7 monitoring, not a convenience.

Thermal crack management

Neither Giatec nor Maturix offer pre-pour thermal simulation

For restrained elements — walls cast against existing slabs, thick transfer structures, or any element where cracking is a real design risk — knowing the temperature during the pour is not enough. The team also needs to know in advance whether the planned pour will stay within limits.

ConcreteAI's Thermal Crack Management provides pre-pour simulation of temperature rise, restraint conditions, tensile strain, and predicted crack width — so the pour plan can be adjusted before concrete is placed rather than reacting afterwards.

Side by side

Feature comparison

FeatureGiatec SmartRockConcreteAI SmartHub
StandardASTM C1074ASTM C1074 + BS 1881-130 / SS EN
TransmissionNFC (tap to read)LoRaWAN (continuous cloud)
Real-time alertsNoYes — WhatsApp + dashboard
TMC tank (BS 1881-130)NoYes — SmartCure
BCA APPBCA-2024-22 (SG)No TMC productYes — SmartCure
Pre-pour crack simulationNoYes — Thermal Crack Management
Primary marketNorth AmericaSingapore / Commonwealth / APAC

If your project is in Singapore, Malaysia, Hong Kong, Australia, or another Commonwealth market — especially if it involves BS 1881-130 TMC validation, mass concrete thermal differential monitoring, or pre-pour crack simulation — SmartRock does not cover these workflows.

Get in touch

Evaluating concrete monitoring for a Singapore or APAC project?

All technical and project enquiries are handled by the founding team directly.

FAQ

Frequently asked questions

Giatec SmartRock is a wireless concrete maturity sensor made by Giatec Scientific (Canada). It embeds in a pour and transmits temperature data via NFC tap to a mobile app, estimating in-place concrete strength using the maturity method (ASTM C1074). SmartRock is widely used in North American markets.
SmartRock works with ASTM C1074, which is valid across markets including Singapore. The gap is product coverage: SmartRock has no temperature-matched curing (TMC) tank, so projects that want BS 1881-130 cube validation alongside the maturity read — whether to build calibration confidence on a new mix or satisfy a client request for destructive evidence — need to source a separate TMC system. BCA APPBCA-2024-22 (Singapore) governs TMC curing practice but does not reference the maturity method. For Commonwealth projects outside Singapore, BS 1881-130 applies without BCA.
SmartRock transmits via NFC — a site engineer physically taps a phone to the sensor to retrieve data. ConcreteAI's SmartHub uses LoRaWAN, transmitting continuously to a cloud gateway with no site visit required. For mass concrete monitoring where readings are needed 24/7 (especially overnight or over weekends), continuous transmission removes the risk of missing a threshold breach.
ConcreteAI's platform includes pre-pour thermal crack simulation alongside the maturity sensor. Before the pour, engineers can simulate temperature rise, restraint conditions, and predicted crack width — and verify the actual performance against the simulation after casting. Giatec and Maturix do not offer pre-pour thermal crack simulation capability.
Ed. Züblin AG used ConcreteAI's SmartHub on the Deep Tunnel Sewerage System Phase 2 (Contract T-07) — 12km of MIC-resistant tunnel lining in Singapore. The project completed formwork cycles 3 hours faster per ring pour, advancing the programme by 2 months. Other Singapore clients include LTA, HDB, and JTC projects.