Purpose and Applications

  • Extensometers are used to measure movements of soil and rock along a single axis
  • Monitoring settlement in excavations, foundations, and embankments.
  • Monitoring subsidence above mines and tunnels.
  • Monitoring movements in rock slides, walls, and abutments.
  • Monitoring consolidation of soil under embankments and surcharges.
  • Monitoring compression of piles and soil under piles.
  • Monitoring spread in embankments.
  • Monitoring convergence in underground openings, such as tunnels.