Dynamic analysis of a smooth penetrometer free-falling into uniform clay

M Nazem, JP Carter, DW Airey, SH Chow - Géotechnique, 2012 - icevirtuallibrary.com
The finite-element analysis of free-falling objects penetrating soil deposits is one of the most
sophisticated and challenging problems in geomechanics. A robust numerical method will …

Advances in projectile penetration mechanism in soil media

M Ahmed, S AlQadhi, J Mallick, MN Desmukh… - Applied Sciences, 2020 - mdpi.com
The penetration to geological shield occurs in many situations at various velocities and
scales, for example, meteor-cratering, pile driving, falling of objects from high-rise building …

Estimating in situ relative density and friction angle of nearshore sand from portable free-fall penetrometer tests

A Albatal, N Stark, B Castellanos - Canadian Geotechnical …, 2020 - cdnsciencepub.com
The friction angle of sand in the nearshore zone of Cannon Beach, Yakutat, Alaska, was
estimated from the deceleration measured by a portable free-fall penetrometer (PFFP) at 72 …

Laboratory‐Scale Free Fall Cone Penetrometer Test on Marine Clay: A Numerical Investigation Using the Generalized Interpolation Material Point Method

D Mohapatra, S Mohammadi… - … for Numerical and …, 2024 - Wiley Online Library
This paper presents a series of laboratory free‐fall cone penetrometer (FFCP) tests
conducted on marine clay samples collected from the Gulf of Finland in the Baltic Sea …

Applicability of geotechnical approaches and constitutive models for foundation analysis of marine renewable energy arrays

JE Heath, RP Jensen, SD Weller, J Hardwick… - … and Sustainable Energy …, 2017 - Elsevier
Abstract For Marine Renewable Energy (MRE) to become a viable alternative energy
source, it must encompass large arrays of devices. Arrays may include 1000s of devices …

Geotechnical Characterization of a Tidal Estuary Mudflat Using Portable Free-Fall Penetrometers

J Paprocki, N Stark, T Lippmann - Journal of Geotechnical and …, 2024 - ascelibrary.org
This study investigates the geotechnical characteristics of a soft tidal mudflat in the Great
Bay Estuary, New Hampshire. Laboratory testing of surficial sediment samples of the upper …

Free-falling penetrometers: a laboratory investigation in clay

SH Chow, DW Airey - Journal of Geotechnical and …, 2014 - ascelibrary.org
This paper presents the results of a series of laboratory model free-falling penetrometer
(FFP) tests in kaolin clay. A thin-shafted FFP has been allowed to free fall and has also been …

Soil strength characterisation using free-falling penetrometers

SH Chow, DW Airey - Géotechnique, 2013 - icevirtuallibrary.com
Free-falling penetrometers (FFPs) are rapid and cost-effective tools that can be used in
seabed strength characterisation. To date, FFPs have not been widely used, because of the …

Undrained shear strength estimation through instrumented free-fall penetration tests using spherical and conical penetrometers

S Kadabinakatti, S Chatterjee, P Basu, SH Gamidi - Ocean Engineering, 2024 - Elsevier
This paper presents (i) results from a series of instrumented free-fall penetration (FFP) tests
performed, under laboratory-controlled conditions, in a large-scale testing facility and (ii) a …

Evaluating undrained shear-strength of marine clay using free-fall penetration considering uncertainty: an experimental and Bayesian analysis study

M Wu, Z Zhao, Q Rong, G Cai, W Duan… - … and Management of …, 2024 - Taylor & Francis
Free-fall penetration (FFP) testing has drawn wide attention in evaluating in-situ undrained
shear-strength (S u) of marine clay because it can save time and reduce costs. However …