Locating Rescue Drilling in Deep Tunneling Disaster

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Abstract:

In order to ensure accuracy of positioning rescue drilling, studied over technical basis required for precise drilling location and confirmation method for locating of finished underground drill-hole and surface drilling hole. Put forward the technical basis for formulating drilling-positioning scheme, Discussed underground finishing drilling of hole positioned by synthesis method and surface drilling center determined by total station with GPS RTK and give demonstrates with cases. Related studies indicated that mutual verification with two or more methods above are key measures to ensure positioning accuracy.

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Periodical:

Advanced Materials Research (Volumes 639-640)

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939-942

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Online since:

January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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