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Coring Technology of Long Core Sample of Roller Compacted Concrete in A’hai Hydropower Station
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Sinohydro Engineering Bureau 3 Co., Ltd.

Clc Number:

P634.5

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    Abstract:

    A 19.28m complete concrete core sample was successfully removed in RCC dam of A’hai hydropower station. The article introduces the coring technology for long concrete cores in drilling equipment selection, drilling material selection, drilling parameter setting and adjustment, core samples pulling breaking and removing out, core positioning and post maintenance.

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History
  • Received:November 02,2012
  • Revised:March 18,2013
  • Adopted:March 18,2013
  • Online: April 23,2013
  • Published:
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