Wireless Industrial IOT Sensors dedicated to SHM on Bridge

Structural Health Monitoring IOT Sensors Bridge Indonesia

Applications

Location: Pasupati Bridge | Indonesia

Site monitored since: July 2018

Description of the structure and Overall Tasks

The Pasupati Bridge is the first in Indonesia that utilizes anti-earthquake technology. A lock up device (LUD), engineered in France, consists of 76 individual pieces. The bridge has 663 segments overall, supported by 46 poles. Each segment weighs from 80 tons up to 140 tons. The overpass structure includes a long cable-stayed bridge that crosses 161 meters above the Cikapundung valley with no intervening supports. The bridge over the Cikapundung is supported by 19 steel cables consisting of 10 wires on the western side and 9 cables on the eastern side. Each cable contains 91 small cables that each consists of seven smaller cables again. The ten western cables are paired WWW.BEANAIR.COM AN-mV AN-V Since July 2018, our Indonesian partner Luwes has deployed Beanair’s 2.4GHz sensor series on this bridge structure: • Wireless inclinometers ( BeanDevice® 2.4GHz HI-INC ) • Wireless accelerometers ( BeanDevice® 2.4GHz AX-3D ) • Wireless DAQ system ( BeanDevice® 2.4GHz AN-420, BeanDevice® 2.4GHz AN-mV) connected to Displacement (LVDT technology), Laser deflection, Loadcell, UltraSonic and Vibrating wire Sensors were deployed on pillars where resonances frequencies and cracks are critically high.

Wireless IOT Sensors System Architecture

Wireless IIOT Sensors System Architecture

Caption 1: Overview of Pillars on Pasupati Bridge

Caption 2: LVDT sensor mounted with our BeanDevice® 2.4GHz AN-420mA

Caption 3: Laser sensor mounted with our wireless DAQ system (ref: BeanDevice® 2.4GHz AN-420 )

Caption 4: Wireless vibration sensors are used to extract resonance frequencies on Bridge Structure

Caption 5: Connected to our Wireless DAQ System ( Ref: BeanDevice® 2.4GHz AN-V) , the ultrasonic sensor is used to measure bridge movement.

Caption 6: Structure deformation is monitored with a strain gauge sensor connected to our Wireless DAQ system BeanDevice® 2.4GHz AN-mV

For more information about Luwes