User Manual
10
Section 6 :
Monitoring
Since the gauges are used to record changes in data and not absolute data, the stage when the "Base"
or "Zero" reading is recorded is flexible.
The reading recorded after the gauge has been fixed and prior to concreting is useful for record
purposes only.
Where the effects of concrete curing are to be observed, the Base reading should be recorded soon
after the concrete has been placed and where necessary, compacted. All other operations, such as
removal of steel pile casing, should have been completed before the Base reading is recorded.
Where loading tests are to be performed, the Base reading for the test data should be recorded just
prior to the beginning of the test.
Data from Vibrating Wire instruments can be recorded in 3 formats; Period, Linear or Engineering
Units. The required format should be established prior to any test beginning and remain consistent for
the duration of the monitoring program.
The Soil Instruments Model 1030 & 1050 Readout/Loggers requires the Base reading to be recorded in
Period units for automatic calculation of the applicable Engineering units. (See the Readout/Logger
Operation Manual for full details).
A monitoring schedule should be established by the engineers responsible for the structure, so that the
monitoring personnel are aware of the data gathering requirements.
Summary of Contents for 1030
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