Academic literature on the topic 'Full-flow penetrometer'

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Journal articles on the topic "Full-flow penetrometer"

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Boylan, N., M. Long, and F. A. J. M. Mathijssen. "In situ strength characterisation of peat and organic soil using full-flow penetrometers." Canadian Geotechnical Journal 48, no. 7 (July 2011): 1085–99. http://dx.doi.org/10.1139/t11-023.

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Full-flow penetrometers have been shown to overcome problems experienced with the cone penetrometer when measuring resistance in very soft peat and organic soil, and give a much more uniform measure of resistance than the cone in fibrous peat. However, at present there is no guidance on the interpretation of strength parameters in these soils using the T-bar and ball. This paper examines the results of tests using these devices at two research sites in the Netherlands in conjunction with high-quality Sherbrooke sampling for laboratory testing. In fibrous peat, the T-bar and ball provided a mor
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Suits, L. D., T. C. Sheahan, Jason DeJong, Nicholas Yafrate, Don DeGroot, Han Eng Low, and Mark Randolph. "Recommended Practice for Full-Flow Penetrometer Testing and Analysis." Geotechnical Testing Journal 33, no. 2 (2010): 102468. http://dx.doi.org/10.1520/gtj102468.

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Low, Han Eng, and Mark F. Randolph. "Strength Measurement for Near-Seabed Surface Soft Soil Using Manually Operated Miniature Full-Flow Penetrometer." Journal of Geotechnical and Geoenvironmental Engineering 136, no. 11 (November 2010): 1565–73. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0000379.

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Guo, Xingsen, Tingkai Nian, and Zhongde Gu. "A fluid mechanics approach to evaluating marine soft clay strength by a ball full-flow penetrometer." Applied Ocean Research 116 (November 2021): 102865. http://dx.doi.org/10.1016/j.apor.2021.102865.

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White, D. J., C. Gaudin, N. Boylan, and H. Zhou. "Interpretation of T-bar penetrometer tests at shallow embedment and in very soft soils." Canadian Geotechnical Journal 47, no. 2 (February 2010): 218–29. http://dx.doi.org/10.1139/t09-096.

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The cylindrical T-bar penetrometer was developed for profiling the undrained strength of soft soils in the centrifuge and is now a widely-used offshore site investigation tool. The conventional interpretation of the T-bar test is to convert the measured penetration resistance to soil strength using a single bearing factor associated with steady flow of soil around the bar. This paper describes a new analysis for the interpretation of T-bar penetrometer tests at shallow embedment and in soft soils, which is an increasingly significant consideration in the design of seabed infrastructure, includ
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Ghose, Ranajit. "A microelectromechanical system digital 3C array seismic cone penetrometer." GEOPHYSICS 77, no. 3 (May 1, 2012): WA99—WA107. http://dx.doi.org/10.1190/geo2011-0266.1.

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A digital 3C array seismic cone penetrometer has been developed for multidisciplinary geophysical and geotechnical applications. Seven digital triaxial microelectromechanical system accelerometers are installed at 0.25-m intervals to make a 1.5-m-long downhole seismic array. The accelerometers have a flat response up to 2 kHz. The seismic array is attached to a class 1 digital seismic cone, which measures cone tip resistance, sleeve friction, pore-pressure, and inclination. The downhole 3C array can be used together with impulsive seismic sources and/or high-frequency vibrators that are suitab
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Tho, Kee Kiat, Chun Fai Leung, Yean Khow Chow, and Andrew Clennel Palmer. "Deep cavity flow mechanism of pipe penetration in clay." Canadian Geotechnical Journal 49, no. 1 (January 2012): 59–69. http://dx.doi.org/10.1139/t11-088.

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The evolution of penetration resistance as a function of penetration depth of a pipe into a cohesive seabed is of practical importance, particularly in the areas of pipeline on-bottom stability assessment and T-bar penetrometer data interpretation. In the past, this subject was addressed primarily in a discontinuous manner by separating the penetration response into two broad regimes of shallow and deep penetrations followed by deriving plasticity solutions assuming a simplified “wished-in-place” configuration. In this manner, the effects of evolving seabed topology and the progressive transit
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DeJong, Jason T., Nicholas J. Yafrate, and Don J. DeGroot. "Evaluation of Undrained Shear Strength Using Full-Flow Penetrometers." Journal of Geotechnical and Geoenvironmental Engineering 137, no. 1 (January 2011): 14–26. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0000393.

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ZHOU, H., and M. F. RANDOLPH. "Numerical investigations into cycling of full-flow penetrometers in soft clay." Géotechnique 59, no. 10 (December 2009): 801–12. http://dx.doi.org/10.1680/geot.7.00200.

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Wang, Yue, Yuxia Hu, and Muhammad Shazzad Hossain. "Soil flow mechanisms of full-flow penetrometers in layered clays through particle image velocimetry analysis in centrifuge test." Canadian Geotechnical Journal 57, no. 11 (November 2020): 1719–32. http://dx.doi.org/10.1139/cgj-2018-0094.

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This paper reports the soil flow mechanisms observed in centrifuge tests around full-flow (T-bar and ball) penetrometers in layered clays. The layered clay samples consisted of soft–stiff, stiff–soft, soft–stiff–soft, and stiff–soft–stiff soil profiles. Particle image velocimetry (PIV), also known as digital image correlation (DIC), allowed accurate resolution of the flow mechanism around the faces of the T-bar and half-ball penetrated adjacent to a transparent window. For the T-bar, overall, a full symmetrical rotational flow around the T-bar dominated the behavior. A novel “trapped cavity me
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Dissertations / Theses on the topic "Full-flow penetrometer"

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Chung, Shin Fun. "Characterisation of soft soils for deep water developments." University of Western Australia. School of Civil and Resource Engineering, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0079.

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[Truncated abstract] This research has studied the penetration and extraction resistance profiles of different types of penetrometers in soft clay. The penetrometers of interest include the cone, T–bar, ball and plate. Effects of the surface roughness and aspect ratio of the T–bar penetrometer on its resistance have also been investigated. Undrained shear strength, Su, profiles derived from the penetration tests are compared with the shear strengths measured from field vane shear tests and laboratory (triaxial and simple shear) tests. Both in situ and centrifuge model penetration tests were u
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Zhou, Hongjie. "Numerical study of geotechnical penetration problems for offshore applications." University of Western Australia. Centre for Offshore Foundation Systems, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0239.

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The research carried out in this thesis has concentrated on the application of numerical solutions to geotechnical penetration problems in offshore engineering. Several important issues closely relevant to deep-water oil and gas developments were investigated, covering installation of suction caisson foundations, interpretation of fullflow penetrometers and shallow penetration of a cylindrical object (submarine pipeline or T-bar), all in clayey sediments such as are often encountered in deep-water sites. These problems are commonly characterised by large vertical movements of structural elemen
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Boscardin, Adriane G. "Development of miniature full flow and model pipeline probes for testing of box core samples of surficial seabed sediments." 2013. https://scholarworks.umass.edu/dissertations/AAI3588996.

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The box corer is a relatively new tool used in the geotechnical community for collection of soft seabed sediments. Miniature full flow and model pipeline probes were developed as tools to characterize and obtain soil parameters of soft seabed sediments collected in the box core for design of offshore pipelines and analysis of shallow debris flows. Probes specifically developed for this study include the miniature t-bar, ball, motorized vane (MV), and toroid. The t-bar, ball, and MV were developed to measure intact and remolded undrained shear strengths (su and sur). The t-bar and ball can obta
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Book chapters on the topic "Full-flow penetrometer"

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Wang, Yin, Yubin Ren, and Qing Yang. "Undrained Shear Strength Measurement for Deep-Sea Surficial Sediments in the West of South China Sea Using Miniature Full-Flow Penetrometer." In Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours, 371–78. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0125-4_41.

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Yafrate, N., and J. DeJong. "Considerations in evaluating the remoulded undrained shear strength from full flow penetrometer cycling." In Frontiers in Offshore Geotechnics. Taylor & Francis, 2005. http://dx.doi.org/10.1201/noe0415390637.ch119.

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Conference papers on the topic "Full-flow penetrometer"

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Mahmoodzadeh, Hamed, Noel Boylan, Mark Randolph, and Mark Cassidy. "The Effect of Partial Drainage on Measurements by a Piezoball Penetrometer." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-50245.

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Full-flow penetrometers such as the T-bar and ball are now widely used in offshore site investigations to measure penetration resistance and then infer the strength properties of the seabed. To provide additional data on flow properties of the soil and increase the number of parameters that can be obtained from these tests, ball penetrometers fitted with pore pressure transducers, known as piezoballs, are now being used. Depending on the soil characteristics and rate of penetration, the soil conditions during penetration may vary from undrained to fully drained. The drainage condition during p
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Ma, Hongliang, Mi Zhou, Yuxia Hu, and Muhammad Shazzad Hossain. "Large Deformation FE Analyses of Cone Penetration in Single Layer Non-Homogeneous and Three-Layer Soft-Stiff-Soft Clays." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23709.

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Continuous profiles from in-situ penetrometer tests are now identified as essential for site specific soil investigation as part of designing offshore structures in deep and ultradeep waters and in highly layered seabed conditions. This paper describes the results from large deformation FE (LDFE) analysis undertaken to provide insight into the behavior of cone penetrometer penetrating through single layer non-homogeneous clays and three-layer uniform soft-stiff-soft clays. For the smooth cone penetration in non-homogeneous clays, the soil strength non-homogeneity factor was shown to have insig
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Yafrate, N. J., and J. T. DeJong. "Influence of Penetration Rate on Measured Resistance with Full Flow Penetrometers in Soft Clay." In Geo-Denver 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40917(236)9.

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