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Multipoint Borehole Extensometer Guide by Andres Mejia is a document available to read on EtoBox.

What is Multipoint Borehole Extensometer Guide about?

This document provides instructions for installing and using a multipoint rod extensometer. The extensometer consists of a head, multiple measuring rods of fiberglass, steel, or invar protected by sleeves, downhole anchors for each rod, and grouting tubes. Measurements are taken manually with a caliper or remotely with electric transducers connected to a readout. Proper installation requires a borehole of sufficient diameter stabilized walls. The document provides guidance on preliminary checks, installatio

Author

Andres Mejia

Language

EN