By submitting this form, you are agreeing to the Terms of Use and Privacy Policy.
A borehole extensometer is a very accurate tool used by civil engineers and geologists to assess the deformation of rock masses and nearby or surrounding soil.
Borehole Monitoring deformation near subsurface excavations is a popular use for tensiometers movement along the slopes’ excavated faces soil consolidation and settlement.
The method involves using a laser to illuminate the specimen surface. A CCD camera then captures the reflections from the specimen surface, which are then subjected to sophisticated algorithms for processing.
The Global Borehole extensometer market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Performance Monitoring of Underground Structure by Extensometer. Every type of dam has unique monitoring parameter requirements as well as a unique range of instrumentation. The response of soil or rock to changes in loading or support arrangements is measured using instrumentation, and from the measurements acquired, it is decided whether alterations to the loading or support arrangements are necessary in order to manage the process.
The site assessment, design verification, long-term monitoring of the soundness of the construction, and in particular, its safety, are all essential tasks that require instruments.
Geotechnical tools serve as the ears and eyes inside the structure and provide important information for timely corrective action.
Additionally, geological or structural factors outside of a tunnel’s perimeter that are subject to stresses from all directions can cause disturbances in rock and soil masses. Three dimensional tensions around any cavity, such as an underground power plant or a tunnel, are released and repositioned during excavation. As a result, time starts to move within the surface.
In this situation, borehole-installed instruments like the Extensometer can be used to measure ground movement/disturbance of a portion of rock/soil mass and nearby surrounding strata with the use of anchors fully at various depths.
Even when the site is accessible, it offers strong sample distribution and data redundancy. The type of rock strata and the location of the fixed point with respect to which the deformations are to be monitored affect the anchor’s depth.