Methods and systems for monitoring pressure during jet grouting

Details Methods and systems for monitoring pressure during jet grouting Methods and systems for monitoring pressure during jet grouting

2006-07-07

2008-11-25

Kreck, John (Department: 3672)

Hydraulic and earth engineering

Earth treatment or control

Chemical

Reexamination Certificate

active

07455479

ABSTRACT:
A method for preventing soil fracture and/or monitoring borehole pressure during jet grouting that may include monitoring borehole pressure at one or more points in a jet grouting borehole while the jet grouting is being performed and determining whether the borehole pressure exceeds a predetermined limit. The method may further include providing notification to a jet grouting operator that there is a high risk of soil fracture if the borehole pressure exceeds the predetermined limit. The predetermined limit may be the estimated fracture pressure of the soil in which the jet grouting is being performed.

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Susmann, et al., Vector Magnetics, RivCross Operating Manual Version 1.01, Mar. 2004.

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