Interim Report on Core Drilling in Frozen Ground
Author : Mikael Juul Hvorslev
Publisher :
Page : 124 pages
File Size : 21,51 MB
Release : 1957
Category : Core drilling
ISBN :
Author : Mikael Juul Hvorslev
Publisher :
Page : 124 pages
File Size : 21,51 MB
Release : 1957
Category : Core drilling
ISBN :
Author : Mikael Juul Hvorslev
Publisher :
Page : 36 pages
File Size : 50,34 MB
Release : 1960
Category :
ISBN :
Author : Waterways Experiment Station (U.S.)
Publisher :
Page : 0 pages
File Size : 49,26 MB
Release : 1960
Category : Core drilling
ISBN :
Author : Waterways Experiment Station (U.S.)
Publisher :
Page : 32 pages
File Size : 16,94 MB
Release : 1960
Category : Core drilling
ISBN :
Author :
Publisher :
Page : 136 pages
File Size : 23,53 MB
Release : 1956-07
Category : Frozen ground
ISBN :
Author : G. Robert Lange
Publisher :
Page : 36 pages
File Size : 42,59 MB
Release : 1973
Category : Frozen ground
ISBN :
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 :
Page : 250 pages
File Size : 28,16 MB
Release : 1950
Category : Frozen ground
ISBN :
Author : U.S. Army Engineer Waterways Experiment Station
Publisher :
Page : 152 pages
File Size : 32,73 MB
Release : 1960
Category : Hydraulic engineering
ISBN :
Author : United States. Army. Corps of Engineers
Publisher :
Page : 130 pages
File Size : 46,41 MB
Release :
Category :
ISBN :
Author :
Publisher :
Page : 230 pages
File Size : 30,87 MB
Release :
Category : Frozen ground
ISBN :