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Theory of Partially Drained Piezometer Insertion
Publisher: American Society of Civil Engineers
Abstract: A theory is presented to evaluate pore pressures developed as a result of insertion of an open‐tipped standpipe into a saturated porous medium. An integral method is used whereby the advancing tip is represented as a moving ...
Analysis of Piezocone Dissipation Data Using Dislocation Methods
Publisher: American Society of Civil Engineers
Abstract: The theory of a moving point dislocation is applied to the rational determination of permeability and consolidation coefficients from piezocone‐sounding data. Motion of the process zone in following the penetrometer tip ...
Dislocation Analysis of Penetration in Saturated Porous Media
Publisher: American Society of Civil Engineers
Abstract: Solution is presented for the fluid‐pressure response surrounding insertion of a continuous, moving point dislocation within an initially saturated porous‐elastic medium. Included in the presentation is a unified framework ...
Flow‐Deformation Response of Dual‐Porosity Media
Publisher: American Society of Civil Engineers
Abstract: A constitutive model is presented to define the linear poroelastic response of fissured media to determine the influence of dual porosity effects. A stress‐strain relationship and two equations representing conservation ...
Evolution of the Pore-Pressure Field around a Moving Conical Penetrometer of Finite Size
Publisher: American Society of Civil Engineers
Abstract: A solution is developed for the evolution of buildup, steady, and postarrest dissipative pore-fluid pressure fields that develop around a finite-radius conical penetrometer advanced in a saturated linearly elastic porous ...
Permeability Determination from On-the-Fly Piezocone Sounding
Publisher: American Society of Civil Engineers
Abstract: Solutions are developed for the steady, partially drained, fluid pressure field that develops around a moving penetrometer. These include rigorous solution for a point volumetric dislocation moving in a saturated elastic ...
Indentation of a Free-Falling Sharp Penetrometer into a Poroelastic Seabed
Publisher: American Society of Civil Engineers
Abstract: A solution is developed for the buildup, steady, and postarrest dissipative pore fluid pressure fields that develop around a conical penetrometer that self-embeds from free-fall into the seabed. Arrest from free-fall ...
Hydraulic Conductivity Measurement from On-the-Fly uCPT Sounding and from VisCPT
Publisher: American Society of Civil Engineers
Abstract: Detailed profiles of hydraulic conductivity are recovered from the deployment of direct-push permeameters at the Geohydrologic Experimental and Monitoring Site, Kansas. Measurements with thin tapered tips, and with standard ...
Pore Pressure Response Following Undrained uCPT Sounding in a Dilating Soil
Publisher: American Society of Civil Engineers
Abstract: The generation and dissipation of pore fluid pressures following standard piezocone sounding (uCPT) sounding in silty sands are observed to exhibit many of the characteristics of undrained penetration in dilatant materials; ...