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Keywords: close proximity
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-635
... ABSTRACT: The paper describes the performance of low to medium capacity rock anchorages when subjected to close proximity blasting during the construction of the Penmaenbach Tunnel in North Wales. The anchorages, installed in massive Rhyolite, proved resilient to routine construction blasting...

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