Method and apparatus for remotely monitoring and evaluating pile

Details Method and apparatus for remotely monitoring and evaluating pile Method and apparatus for remotely monitoring and evaluating pile

1980-06-30

1982-12-21

Wise, Edward J.

Boots, shoes, and leggings

364506, 364569, 235 92T, 235 92TF, 173 20, G06M 306, G06F 700

Patent

active

043653065

ABSTRACT:
A pile driving hammer monitoring apparatus is disclosed to include a pressure wave sensor, such as a hydrophone, remotely located from the pile driving equipment for detecting pressure waves generated by the hammer striking a pile. The sensor generates a proportional analog electrical signal which is conditioned into a corresponding digital electrical signal and conveyed to a microcomputer. The microcomputer calculates the hammer blow rate over a predetermined time period or over a selectable time period or distance of pile movement. Data independent of the blow rate information is enterable into the microcomputer by means of presettable multi-position switches. The apparatus can be powered either by an alternating current source or a direct current source.

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