نتایج جستجو برای: undrained state

تعداد نتایج: 858210  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...

2016
J. C. Lopera Perez C. Y. Kwok C. O’Sullivan K. J. Hanley

14 The instability of granular materials due to water infiltration under fully drained conditions has been 15 previously considered in experimental studies. While laboratory experiments can provide macro-scale 16 insight into drained instability, the micro-mechanics under such conditions are yet to be explored. 17 This study has employed the Discrete Element Method (DEM) to simulate constant sh...

2004
Derek Elsworth Dae Sung Lee

A solution is developed for the build-up, steady and post-arrest dissipative pore fluid pressure fields that develop around a blunt penetrometer that self-embeds from freefall into the seabed. Arrest from freefall considers deceleration under undrained conditions in a purely cohesive soil, with constant shear strength with depth. The resulting decelerating velocity field is controlled by soil s...

2017
Chun-Yi Tsai Motoi Nojiri Yukihiro Yokoyama Tomoki Ebata Takashi Mizuno Masato Nagino

BACKGROUND Portal vein embolization is essential for patients with biliary cancer who undergo extended hepatectomy to induce hypertrophy of the future remnant liver. Over 830 patients have undergone the portal vein embolization at our institution since 1990. Non-alcoholic fatty liver disease is an entity of hepatic disease characterized by fat deposition in hepatocytes. It has a higher prevalen...

2004
Dae Sung Lee Derek Elsworth

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 considers deceleration under undrained conditions in a purely cohesive soil, with constant shear strength with depth. The resulting decelerating velocity field is controlled by soi...

2017
Ophélie Aumont Aurélien Dupré Adeline Abjean Bruno Pereira Julie Veziant Bertrand Le Roy Denis Pezet Emmanuel Buc Johan Gagnière

BACKGROUND Although drainage of pancreatic anastomoses after pancreaticoduodenectomy (PD) is still debated, it remains recommended, especially in patients with a high risk of post-operative pancreatic fistula (POPF). Modalities of drainage of pancreatic anastomoses, especially the use of passive (PAD) or closed-suction (CSD) drains, and their impact on surgical outcomes, have been poorly studie...

Journal: :Sustainability 2023

Suction piles are used to ensure wellhead stability during natural gas hydrate production in the Shenhu area of South China Sea (SCS). Undrained shear properties clayey-silty sediments play a critical role analysis suction piles. However, it has not been fully studied. This study conducts series undrained triaxial tests on shallow SCS, and stress–strain curves under different overconsolidation ...

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