Extensometer

Details Extensometer Extensometer

1982-05-27

1984-08-07

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Earth stresses

G01B 716

Patent

active

044636113

ABSTRACT:
In a rod extensometer for measuring movements in rock structures and in foundations, the measuring rod system consists of a one piece flexible rod made of reinforced plastic and surrounded by an encasing tube and connected at one end to a fixed-point anchoring device and by its other end to a pick-up element for the measuring value. This design enables the rod extensometer to be inserted into a borehole at short notice and with very little loss of time. Furthermore, the rod can form a practically endless structure wound onto a delivery spool and thus stored and transported with ease and in a space-saving manner.

REFERENCES:
patent: 2681412 (1954-06-01), Webster
patent: 3416230 (1968-12-01), Oleson et al.

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