Interim Report on Core Drilling in Frozen Ground PDF Download
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Author: Mikael Juul Hvorslev
Publisher:
ISBN:
Category : Core drilling
Languages : en
Pages : 124
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Book Description
Author: Mikael Juul Hvorslev
Publisher:
ISBN:
Category : Core drilling
Languages : en
Pages : 124
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Book Description
Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category : Core drilling
Languages : en
Pages : 0
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Book Description
Author: Mikael Juul Hvorslev
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Book Description
Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category : Core drilling
Languages : en
Pages : 32
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Author:
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 136
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Book Description
Author: G. Robert Lange
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 36
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Book Description
The problems of obtaining frozen samples by core drilling of perennially frozen gravel and rock were investigated. Most of the core drilling was carried out in ice-bonded, well-graded alluvial gravel with the ground temperature near its freezing point. Both chilled compressed air and oil-based liquids were used as drilling fluids. The details of both successful and unsuccessful coring attempts are reported and related to descriptions and photographs of samples of a wide range of quality. Drilling variables such as weight on the bit, rotational velocity, rate of penetration, fluid temperatures, viscosities, flow rates and pressures and mechanical details of the diamond bits are reported. (Modified author abstract).
Author: University of Minnesota. Engineering Experiment Station
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 250
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Author: U.S. Army Engineer Waterways Experiment Station
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 152
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Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Author:
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 230
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Book Description
