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1-20 of 29
Keywords: stress path
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Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-082
... loading stress paths where each episode comprises a packet of undrained cycles of loads followed by full consolidation. The soil response under different numbers of cycles per loading packet and number of loading packets with intervening consolidation is investigated. The results from this study quantify...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2166
... failure mode terzaghi bearing capacity upstream oil & gas bearing capacity theory cd test soft rock finite element analysis critical state line local shear failure mode stress path mpa stress strain relation Proceedings of the Thirty-first (2021) International Ocean and Polar...
Proceedings Papers
Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-249
... the dead load tests (DL) are designed and carried out under constant total stress, which simulates the stress path of the Qianjiangping landslide. mechanism triaxial test stress path kpa rainfall dead load test shear band shear strength landslide experimental study matric suction...
Proceedings Papers
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-220
...Effect of Cyclic Stress Path in Cement-Treated Sands Using Triaxial and Simple Shear Tests Kazem Fakharian and Amirhossein Eghbali Department of Civil & Environmental Engineering, Amirkabir University of Technology Tehran, Iran. ABSTRACT This paper presents the results of undrained triaxial...
Proceedings Papers
Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-461
... proposed by Hird was also applied so that the 3-dimensional real construction effect of drain materials could be reflected in the analysis. KEY WORDS: individual vacuum pressure; inner displacement; stress path; NAP-IVP INTRODUCTION In contrast to the pre-loading method, the individual vacuum pressure...
Proceedings Papers
Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-512
.... The ratio of main consolidation coefficient to long-term consolidation coefficient varies with stress level. Time is a very important factor in the soil properties due to unloading. Introduction Stress paths for a soil around a retaining structure in deep excavations are very complex. Soils will undergo...
Proceedings Papers
Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-139
... strain mean effective stress clayey silt shear behavior pore water pressure upstream oil & gas stress ratio stress path strength dilatancy critical state line deviator stress shear strength peak deviator stress effective stress triaxial compression test Shear Behaviors of Normally...
Proceedings Papers
Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-059
... behavior in terms of the apparent pre-consolidation pressure of the untreated samples and the quasi-pre-consolidation pressure as developed with lime and cement treatment. upstream oil & gas additive content mean normal stress compression test stress path soft clay shear consolidation...
Proceedings Papers
Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-207
... principal stress, and the other one does not. Results indicate moderately significant differences in stress path response and overall strains and displacements. INTRODUCTION Submarine slopes have captured the imagination of scientists ever since the Challenger expedition of 1872–1876 when the first set...
Proceedings Papers
Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-195
... obviously influence the effective stress path and stress-strain relation of sand. When orientation of major principal stress approaches the vertical, loose sand behaves hardening with dilatancy. When the orientation angle between major principal stress and the vertical become larger, loose sand displays...
Proceedings Papers
Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-317
..., and wave period can affect the dynamic stresses in seabed soil. The seabed soil at standing wave anti-node is subjected to uniform stresses and has similar stress path as in fluid in shallow depth. The stress path at deeper depth can be treated as soil behavior in undrained condition. INTRODUCTION...
Proceedings Papers
Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-161
... gain size, size distribution, shape, angularity, and surface roughness. Extrinsic factors include void ratio, fabric, initial effective stresses, and stress path (Sukumaran, 1996). Since the pioneering work of Seed and Lee (1966), the cyclic stress conditions causing liquefaction of sand have been...
Proceedings Papers
Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-134
... ABSTRACT This paper presents a method to obtain the constitutive relationships of sands from in-situ drained self-boring pressuremeter tests. Plane-strain conditions and Rowe's stress-dilatancy theory are assumed to hold to determine effective stress paths. The proposed method appears...
Proceedings Papers
Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-255
... interface stress path interface engineering monotonic test upstream oil & gas strength variation tangential displacement shear strength fakharian displacement magnitude normal stiffness constant normal stress shear stress A comprehensive experimental study of sand-steel interfaces...
Proceedings Papers
Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-135
... japanese clay foundation bjerrum consolidation pressure relation tanaka institute rate effect stress path upstream oil & gas specimen triaxial test water pressure oedometer test air transportation strength sample quality anisotropy undrained shear strength sampler A Comparative...
Proceedings Papers
Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-205
... to analyze the liquefaction behavior of sand for quite a long time (Poulos et al., 1985). The key assumption in such analyses is that the sand has a unique steady state line. stress path state parameter fabric compression line axial strain triaxial test dt sample deformation compression test...
Proceedings Papers
Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-192
... samples was similar to that employed by Wheeler and Sivakumar (1995). plane unsaturated compacted clay average value alonso consolidation stage stress path expansion elastic variation conservative behaviour upstream oil & gas suction compression variation equalization stage kpa...
Proceedings Papers
Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-201
...,-J i ) i i -600 . . . . . . 0 200 400 600 800 1000 1200 Ef fec t ive mean pr inc ipa l s t ress p (kPa) (b) without fines Figure 5 Effective stress path for undrained tests MONOTONIC DRAINED SHEAR BEHAVIOUR UNDRAINED MONOTONIC SHAEAR Figure 3 shows the normalised stress and volumetric strain plots...
Proceedings Papers
Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-202
... plasticity clay deposit strength undisturbed sample cyclic strength normalised marine clay cyclic shear behaviour upstream oil & gas stress path plasticity index earthquake Proceedings of the Tenth (2000) International Offshore and Polar Engineering Conference Seattle, USA, May 28.June 2...
Proceedings Papers
Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-080
... ABSTRACT This research performed triaxial tests on remoided specimens of Mailiao silty sand by a lubricated-end-platen triaxial test apparatus. The influences of stress path, overconsolidation ratio, and fines content on the steady state lines are studied. Cyclic triaxial tests were performed...
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