نتایج جستجو برای: internal erosion

تعداد نتایج: 262054  

Journal: :Revue Européenne de Génie Civil 2006

Journal: :Water 2023

Soil embankments are valuable for the adequate reserve and supply of water to multiple industries. However, they susceptible internal soil erosion, which may ultimately lead structural collapse. To counteract this issue, stabilization is practiced in construction industry. This paper proposes erosion cohesionless using quicklime. For research, two types were investigated treated with quicklime:...

2009
Joseph I. Achebo

This paper clearly explains the use of drift flux models based on Eulerian continuum equations in predicting erosion wear rate in a transmission pipeline. In this case, a pipeline with a diameter of 0.5m was investigated. It was found that there was a large sand particle concentration on the welded parts of the pipe which has affected the internal geometry of the pipe. From physical examination...

2014
Santhanakrishnan Balasubramanian Sanjay Gupta Marcus Nicholls Paul Laboi

Insertion of a dialysis catheter is a very common procedure in renal medicine, which is associated with one or more complications in ∼15% of patients. Central venous catheter vascular erosion is a rare but serious complication, the incidence appears to be between 0.4 and 1% which can be difficult to diagnose, leading to increased morbidity and mortality. We report a case of a persistent left-si...

2009
G. Feng

A standalone version of the Wind Erosion Prediction System (WEPS) erosion submodel, the Single-event Wind Erosion Evaluation Program (SWEEP), was released in 2007. A limited number of studies exist that have evaluated SWEEP in simulating soil loss subject to different tillage systems under high winds. The objective of this study was to test SWEEP under contrasting tillage systems employed durin...

2013
Zhiwu Han Wei Yin Junqiu Zhang Shichao Niu Luquan Ren

Plants have numerous active protection strategies for adapting to complex and severe environments. These strategies provide endless inspiration for extending the service life of materials and machines. Tamarisk (Tamarix aphylla), a tree that thrives in raging sandstorm regions, has adapted to blustery conditions by evolving extremely effective and robust erosion resistant characteristics. Howev...

2009
Jean L. Dixon Arjun M. Heimsath Ronald Amundson

Landscapes evolve in response to external forces, such as tectonics and climate, that influence surface processes of erosion and weathering. Internal feedbacks between erosion and weathering also play an integral role in regulating the landscapes response. Our understanding of these internal and external feedbacks is limited to a handful of field-based studies, only a few of which have explicit...

2015
Nicola Dalbeth Michelle Deacon Gregory D Gamble Kumar Mithraratne Justin Fernandez

OBJECTIVES To determine whether patterns of high internal tissue stress during gait are associated with patterns of monosodium urate crystal deposition and bone erosion in gout. METHODS We compared patterns of foot von Mises stress predicted computationally during gait in volunteers of normal and high body mass index (BMI) with patterns of urate deposition in gout and asymptomatic hyperuricae...

2016
Neil C. Mitchell Caroline H. Lear

Incidences of non-deposition or erosion at the modern seabed and hiatuses within the pelagic caps of guyots and seamounts are evaluated along with paleo-temperature and physiographic information to speculate on the character of Late Cenozoic internal tidal

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