Page 48 - TT Mag Feb 2024 Digital Edition_New

TECHNOLOGY/SYSTEMS

Unique Structural Health Monitoring and Weigh In Motion
portfolio from Kistler

verweight trucks, KiDAQ data acquisition system and
extreme weather, a cloud-based software platform.
cracking, and
corrosion are just a Weigh In Motion for
few of the factors increased bridge
Oaffecting bridge safety
infrastructure and its shortened
lifespan. Kistler has now developed The KiTraffic Digital Weigh In
its unique Structural Health Motion (WIM) system detects
Monitoring (SHM) portfolio. The overweight trucks on the road
comprehensive system automatically at any speed and in real time as
monitors the bridge structures on a they pass. Overweight vehicles are
24/7 basis, continuously measuring easily identified and can either be
and tracking the actual structural automatically fined, stopped and
resistance of the bridge and the forced to unload, or diverted to an
real traffic load as reported by the alternative route. All these measures
integrated WIM system. This way, it ensure a highly effective protection
detects even the smallest structural of both pavement and bridge.
movements and vibrations as The advanced KiTraffic Digital
they occur and before they cause platform harnesses the power
more serious damage. Structural of digitalization: the complete
engineers and road operators are system provided by Kistler is based
constantly informed of the relevant on several rows of Lineas Digital
data and are notified immediately sensors installed in the road and
via notifications and alarms. a proprietary data acquisition and
processing system installed in
From sensor to cloud the roadside cabinet. The unique
– most reliable and piezoelectric quartz crystals provide
continuous bridge extreme measuring accuracy, with
monitoring a weighing precision of up to +/- 2
percent for the gross vehicle weight.
The customized SHM system
provides seamless availability of
highly reliable bridge structural data,
thanks to the unmatched accuracy
and performance of its acceleration
sensors from the K-Beam family.
The quality of the results depends
on the sensitivity, frequency range,
temperature stability, and signal-to-
noise ratio of the sensors, as well
as on the performance of the data
acquisition system. Accelerometers
from Kistler are specifically
designed to withstand even the
most extreme weather conditions.
In addition to precise sensors, the
turnkey solution consists of the

48 TrafficInfraTech / February 2024 / www.trafficinfratech.com