Borehole radar for geothermal applications
, 1991 An initial evaluation of a continuous wave borehole radar system with steerable antennas has been completed. Candidate antennas have been identified which meet the size requirements for borehole applications.
Caffey, T.W.H., Scott, M.W.
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Borehole Ground Penetrating Radar Attribute Analysis for Urban Engineering [PDF]
A precise and detailed knowledge and characterization of the subsurface is crucial for urban engineering planning and implementation. Drillings/boreholes are most widely used to provide the spatial distribution of blocks and boulders, but it is difficult
Forte, Emanuele +5 more
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Meitian dizhi yu kantanObjective and MethodDuring the rapid excavation process using shield tunneling machines in coal mines, the advance detection of concealed geological anomalies encounters challenges of limited space and insufficient accuracy.
Chao CHEN, Ping LI, Wei LI, Rong WEI
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Feasibility of borehole radar measurements to monitor water/steam fronts in EOR applications
, 2009 A technique capable of capturing the dynamic of the reservoir fluids in the proximity of production wells would provide enormous benefit to the reservoir management; in fact, monitoring can be used to develop a feedback loop between measurements and ...
Arts, R.J. +5 more
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Glacier changes in the Bavarian Alps from 1989/90 to 2006/07 [PDF]
, 2008 The five glaciers in Bavaria which today cover a total area of less than one square kilometer were frequently monitored by geodetic methods from the mid of the 20th century. In this paper, the record is extended by new surveys in 1999 and 2006.
Steglich, C. +2 more
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Fracture System Assess in Beishan Grottos, Chongqing, China Based on Multiple Geophysical Data
IEEE AccessAs a country with a rich cultural and historical heritage, there are many grottoes in China. Unfortunately, many grottoes suffer from fracture seepage due to their age, causing weathering damage that requires prompt attention, detection, and repair to ...
Qiancheng Zhao +6 more
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Time-lapse borehole radar for monitoring rainfall infiltration through podosol horizons in a sandy vadose zone [PDF]
, 2014 The shallow aquifer on the Gnangara Mound, north of Perth, Western Australia, is recharged by winter rainfall. Water infiltrates through a sandy Podosol where cemented accumulation (B-) horizons are common.
Kepic, Anton +3 more
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Vadose zone model parameterisation using cross-borehole radar and resistivity imaging.
, 2002 Cross-borehole geoelectrical imaging, in particular electrical resistivity tomography (ERT) and transmission radar tomography, can provide high-resolution images of hydrogeological structures and, in some cases, detailed assessment of dynamic processes ...
BINLEY A +6 more
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Analysis and discussion on testing methods of broken rock zone of surrounding rock of roadway
Gong-kuang zidonghua, 2014 The paper introduced different testing methods and testing theories for broken rock zone of surrounding rock of roadway, discussed and analyzed advantages and disadvantages and scope of application of the different testing methods.
CAI Guannan +3 more
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The effect of wet drilling in kaolinitic strata on borehole radar performance
, 2002 Unexpectedly weak signal levels, in both radar and cross-hole modes, were obtained during a recent VHF borehole radar experiment in an arid, alluvial environment.
Van Brakel W.J.A. +3 more
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