Abstract
Vertical inclinometers are effective tools for accurately measuring horizontal deformations in soil and identifying the location of sliding surfaces. One drawback of inclinometers is that they can tolerate only limited deformation before being destroyed due to excessive displacement. This is particularly true when the displacement occurs on a distinct plane, as is common in shale and other weathered soils formed from sedimentary rock. In this technical note, a method is introduced that can be used to extend the useful life of vertical inclinometers by allowing displacement data to be recorded even after the inclinometer has been severed in shear. The procedure can be used both during inclinometer installation when large displacements are anticipated beforehand, or in a previously installed inclinometer when displacements are approaching the limit at which the inclinometer casing is functional. A brief description and data from a project where the procedure was successfully used are included.
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