Monitoring - DYNA Force® Sensor

Monitoring - DYNA Force® Sensor

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  4. Monitoring - DYNA Force® Sensor

DYNA Grip® Stay Cable Systems

This system has been developed to measure or monitor forces within single strands of a stay cable during the construction progress as well as during the entire service life.

Monitoring - DYNA Force® Sensor

System Components

  • Portable Power Stress Unit
  • Sensor with lead wire
  • Multiplexer Box for connecting more than one sensor to the Power stress Unit at the same time
  • Automated measurement on several sensors through multiplexer
  • Transfer of data by WLAN connection or cellular wireless connection

System Advantages in Comparison to other Measuring Systems

  • The system cannot be overloaded
  • Maintenance free
  • No direct contact between the sensor and the strand/bar
  • Resistant against dust and humidity
  • Up to 2% of measurement accuracy

Functional Principle

  • The permeability of steel to a magnetic field changes with the stress level in the steel
  • By measuring the change in a magnetic field, the magnitude of the stress in the steel element is obtained
  • Data is gathered and elected by special system components
  • Data can be handled using a conventional computer
DYWIDAG-Systems International USA Inc.

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