Apparatus for monitoring the degree of compaction

Details Apparatus for monitoring the degree of compaction Apparatus for monitoring the degree of compaction

1980-10-17

1982-09-14

Ruehl, Charles A.

Measuring and testing

Vibration

By mechanical waves

73 84, 404133, G01N 336, E01C 1934

Patent

active

043489010

ABSTRACT:
In apparatus for monitoring the degree of compaction achieved by a compacting device including at least one vibrating compacting tool which device is mounted on a vehicle arranged to travel back and forth over a surface to be compacted, the apparatus including a system for detecting the value of an operating parameter which has a known relationship to the effective power of the vibrating compacting tool during each pass of the vehicle over the surface and which is representative of the degree of compaction achieved, there are further provided a representation storage system connected to the detecting system for separately storing representations of the detected values associated with each direction of travel of the vehicle, and a difference forming unit connected to the storage system for providing a representation of the difference between detected values associated with successive passes of the vehicle in the same direction.

REFERENCES:
patent: 4040292 (1977-08-01), Theurer et al.
patent: 4103554 (1978-08-01), Thurner
patent: 4127351 (1978-11-01), Vural

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