Device, system and method for dynamic testing of ground support bolts, anchor bolts or rock bolts
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United States of America Patent
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Mar 27, 2018
Issued Date -
N/A
app pub date -
Feb 5, 2014
filing date -
Feb 5, 2013
priority date (Note) -
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Abstract
A connector, an associated dynamic testing system and method for testing rock bolts or rock anchors in situ. The connector is attached to a rock bolt/anchor and supports a hanging load via a shaft. The connector has a body of two halves retaining upper first and lower second connectors having respective curved surfaces. Each of the two halves has a curved inner surface allowing limited relative rotational movement of the first and second connectors relative to the two halves when a load is applied. A load cell and accelerometer register the load applied to the rock bolt/anchor through the connector and any resulting movement of the rock bolt/anchor.
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