نتایج جستجو برای: 3d seepage analysis

تعداد نتایج: 2975411  

2015
Hongyang Zhang Xianqi Zhang Cundong Xu

The distribution characteristics and migration mechanism of seepage field of reservoir groundwater can determine the geographical characteristics of reservoir area to a large extent. The permeability of reservoir area is especially important since it is an important indicator of karst development characteristics and its hydrogeological condition in karst area, and it’s difficult to conduct quan...

2015
Huiluo Cao Weipeng Zhang Yong Wang Pei-Yuan Qian

The active seepage of the marine cold seeps could be a critical process for the exchange of energy between the submerged geosphere and the sea floor environment through organic-rich fluids, potentially even affecting surrounding microbial habitats. However, few studies have investigated the associated microbial community changes. In the present study, 16S rRNA genes were pyrosequenced to deciph...

2017
Yu Wang Changhong Li Yanzhi Hu Yonggang Xiao

Seepage failure in the form of piping can strongly influence the stability of block-in-matrix-soils (bimsoils), as well as weaken and affect the performance of bimsoil structures. The multiple-factor evaluation and optimization play a crucial role in controlling the seepage failure in bimsoil. The aim of this study is to improve the ability to control the piping seepage failure in bimsoil. In t...

Journal: :Water 2022

Polymer anti-seepage walls have been widely used in the reinforcement projects of earth dams. Dam crest is always supposed to meet requirements traffic load which has significant influence on dam body and wall. In order analyze coordination characteristics deformation between polymer wall under loads, a 3D finite element model an that considers coupling effect seepage field stress was establish...

2008
C. F. Y.

An important issue for the performance of underground nuclear waste repositories is the rate of seepage into the waste emplacement drifts. A prediction of this rate is particularly complicated for the potential repository site at Yucca Mountain, Nevada, because it is located in thick, unsaturated, fractured tuff formations. Underground openings in unsaturated media might act as capillary barrie...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
T M Hill J P Kennett D L Valentine Z Yang C M Reddy R K Nelson R J Behl C Robert L Beaufort

Marine hydrocarbon seepage emits oil and gas, including methane ( approximately 30 Tg of CH(4) per year), to the ocean and atmosphere. Sediments from the California margin contain preserved tar, primarily formed through hydrocarbon weathering at the sea surface. We present a record of variation in the abundance of tar in sediments for the past 32,000 years, providing evidence for increases in h...

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