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Rozprawy doktorskie na temat „Seepage”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Van, Leuven Ryan G. "Assessing the Potential for Seepage Barrier Defects to Propagate into Seepage Erosion Mechanisms." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/858.

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Seepage barriers have been used extensively to mitigate seepage problems in dams and levees. Although the design of many of these dams and levees has been based on intact barriers, seepage barriers have been shown to be susceptible to deformation and cracking when high differential hydraulic pressures act across the barrier. Under certain conditions, these cracks can lead to serious seepage problems, which could potentially lead to the development of a low-resistance seepage pathway. Three scenarios have been identified where there is the potential for erosion to occur adjacent to a crack in a

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2

Johansson, Sam. "Seepage monitoring in embankment dams." Doctoral thesis, KTH, Civil and Environmental Engineering, 1997. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2477.

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<p>Internal erosion, which is one of the major reasons forembankment dam failure, causes an increased seepage flow due toloss of fines. A seepage measuring system is therefore a vitalpart of an embankment dams monitoring system. Manyexisting seepage monitoring systems are not however sensitiveenough to detect small changes in the seepage flow. Temperatureand resistivity measurements represent two methods for seepagemonitoring in embankment dams. They are able to detect effectscaused by time dependent processes such as internal erosion,where the relative accuracy is more important than the abs

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3

Martysevich, Volha. "Seepage rates in closed basins." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002706.

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4

Staud, Benjamin T. "Seepage through longitudinal drainage trenches." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1405.

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Thesis (M.S.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains xiv, 134 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 75).

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5

Lam, Ting-hong. "Effects of seepage on soil behavior." Click to view the E-thesis via HKUTO, 2010. http://sunzi.lib.hku.hk/hkuto/record/B4423630X.

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6

Millette, Denis. "Reclamation of canal seepage affected land." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59411.

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Deep interceptor drains are commonly used to control canal seepage in southern Alberta, Canada. Recently, shallow grid drainage was introduced. A study was initiated in 1987 to assess the effectiveness of grid drainage to intercept canal and natural groundwater seepage and reclaim the resulting saline affected land.<br>Using a groundwater flow model, MODFLOW, it was found that a single deep interceptor drain would have failed to intercept all canal seepage and maintain the water table downslope of the canal below the 1.0 m design water table depth. Conversely, simulations indicated that with a

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7

Lam, Ting-hong, and 林廷康. "Effects of seepage on soil behavior." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B4423630X.

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8

Sleep, Matthew David. "Analysis of Transient Seepage Through Levees." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/40356.

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Levees are a significant part of the United States flood protection infrastructure. It is estimated that over 100,000 miles of levees exist in the United States. Most of these levees were designed many years ago to protect farmland and rural areas. As growth continues in the United States, many of these levees are now protecting homes and other important structures. The American Society of Civil Engineers gave the levees in the United States a grade of D- in 2009. To bring flood protection up to modern standards there requires adequate methods of evaluating levees with respect to seepag

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9

Field, Jason Paul. "Comparative Effectiveness of Conventional Trenches and Seepage Pits for Treatment of Septic Tank Effluent." Thesis, The University of Arizona, 2003. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0006_m_sip1_w.pdf&type=application/pdf.

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10

Rice, John David. "A Study on the Long-Term Performance of Seepage Barriers in Dams." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/30034.

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In a vast majority of cases, seepage barriers increase the reliability of dams. However, it is important to recognize that seepage barriers often drastically increase hydraulic gradients around the boundaries of the barrier, and through any windows or defects in the barrier. The result is increased water pressures and hydraulic gradients behind and around the barrier. These increased pressures and gradients have potential to provide the catalyst for initiation of several modes of internal erosion that were either unlikely or less likely without the seepage barrier. As a consequence, seepag

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11

Kakarla, Kishan. "Numerical analysis of seepage in earth slopes." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4078.

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Thesis (M.S.)--West Virginia University, 2005.<br>Title from document title page. Document formatted into pages; contains x, 150 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 72-73).

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12

Li, Maoxin. "Seepage induced instability in widely graded soils." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/862.

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Internal instability of a widely graded cohesionless soil refers to a phenomenon in which its finer particles migrate within the void network of its coarser particles, as a result of seepage flow. Onset of internal instability of a soil is governed by a combination of geometric and hydromechanical constraints. Much concern exists for embankment dams and levees built using soils with a potential for internal instability. Migration of finer particles to a boundary where they can exit, by washing out, may cause erosion or piping failure and, occasionally, induce collapse of these soil structures.

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13

Ozbek, Selim Emre. "Numerical Modeling of Seepage in Koyunbaba Dam." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1512481079405287.

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14

Brown, Jacqueline. "Surging Seepage: A Triple Bond Accretion System." VCU Scholars Compass, 2008. http://scholarscompass.vcu.edu/etd/1481.

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My current work revels in a state of flux. I strive for the work to be electrically charged, conveying a feverish sense of immediacy and vitality that implies motion and frenetic energy. The work is an accretion of brightly colored biomorphic forms that extend out from the wall and onto the floor. Viscous parts ooze and drip while others are globular and bulbous. The hyper-organic forms suggest a paradoxical state of both ripening and rotting, becoming and unbecoming. The work is an attempt to traverse between seemingly divergent constructs, some of which include: growth and decay, the artifi

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15

Molina, Katerine N. "Seepage Evaluations in Cache Valley Irrigation Canals." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/424.

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Estimation of seepage was done in 39 selected reaches of 11 irrigation canals in the Logan and Blacksmith Fork Irrigation Systems of Cache Valley, Utah. The measurements were performed from June to October, 2008, which includes part of the irrigation season for these canals. The inflow-outflow method was used to measure seepage, in which area and velocities were measured under steady flow conditions. Velocity measurements were done with an acoustic flow meter and the mean velocity was determined using the reduced-point method (velocity measurements at 0.2, 0.6 and or 0.8 of the depth from the

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16

Seger, Emily M. "Seepage Lake Chemistry as an Indicator of Climate Change." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/SegerEM2004.pdf.

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17

Sale, Thomas Clay. "Model for prediction of seepage from small unlined water impoundments." Thesis, The University of Arizona, 1985. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1985_36_sip1_w.pdf&type=application/pdf.

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18

Mathieu, James T. Jr, and T. C. Jim Yeh. "EXPERIMENTAL INVESTIGATION OF SEEPAGE THROUGH HETEROGENEOUS POROUS MEDIA." Department of Hydrology and Water Resources, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/614168.

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Five sand tank experiments were conducted to investigate the behavior of unsaturated flow in heterogeneous porous media and to test the recent stochastic theories of Yeh et al. (1985a, b. c) and Mantoglou et al. (1987a, b, c) on flow through unsaturated porous media. The hydraulic properties @(w) and K(0) of the medium and coarse sand used in the experiments were measured with various laboratory columns. Fourteen medium and coarse sands were alternately layered in the 2.38 m long x 1.12 m high x 0.1 m thick sand tank. Water was infiltrated from a point source for three of five experimen

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19

Kiriakidis, Longhi Ricardo Constantino. "Seepage in earth slopes with longitudinal drainage trenches." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2555.

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Thesis (M.S.)--West Virginia University, 2002.<br>Title from document title page. Document formatted into pages; contains xii, 210 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 100-101).

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20

Agyei, Festus O. "TEMPORAL AND SPATIAL VARIABILITY OF RIVERBED CONDUCTANCE AT THE BOLTON WELLFIELD ALONG THE GREAT MIAMI RIVER, SOUTHWEST OHIO." Miami University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1166069378.

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21

Kiriakidis, Longhi Ricardo Constantino. "Experimental and numerical investigation of seepage into longitudinal drains." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4773.

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Thesis (Ph. D.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains xx, 320 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 156).

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22

Braithwaite, Nathan E. "Laboratory modeling of erosion potential of seepage barrier material." Thesis, Utah State University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1535674.

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<p> Seepage barriers have been used extensively to mitigate seepage problems in dams and levees. Although the designs of many of these dams and levees have been based on intact seepage barriers, seepage barriers have been shown to be susceptible to deformation and cracking when high differential hydraulic pressures act across the barrier. Cracking and deformation have also been observed due to thermal expansion and contraction during seepage barrier curing. Under certain conditions, a crack can lead to serious seepage problems, which could potentially lead to the development of a low-resistanc

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23

Estepho, Mathiew. "Seepage Induced Consolidation Test : characterization of mature fine tailings." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/45786.

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Managing oil sand slurry tailings waste is a significant issue in the oil sands industry and thus accurate characterization of the tailings is required. Conventional soil characterization tests usually involve one or more limiting assumptions such as small strains and constant coefficients of consolidation and hydraulic conductivity. These limitations are significant when testing low density slurries such as dredged soils and mining waste. One unconventional test in particular, the Seepage Induced Consolidation Test (SICT) has been shown to accurately determine compressibility and permeability

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24

Gobin, Roger Siad 1966. "Analysis of seepage erosion and stability problems in geomechanics." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/282201.

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In this study, a two dimensional finite element model is developed to analyze the effects of seepage and traction on slope stability. The finite element model was used to determine the failure mechanisms associated with tractive and seepage induced failures. Limit equilibrium models were then developed to model both seepage and tractive erosion based on the failure mechanisms indicated by the finite element model. A conceptual model to qualitatively predict the effects of changes in flow regime on the stability of sandbars within recirculating zones was also developed. The finite element model

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25

Murrie, W. Trevor. "Infiltration and surface ponding on a sand-based sportsfield." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26502.

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The thesis addresses the problem of ponding as it pertains to sand-based sportsfields. The Lower Premier Sportsfield, in the District of North Vancouver, was specifically studied. It is located in a high rainfall location. The hypothesis is that a 'surface layer' at the top of the soil profile was directly responsible for the reduced surface infiltration necessary for the ponding observed. The accumulation and compaction of detrital organic matter within the pore space of this layer was assumed to be the source of the ponding problem. Pond depth hydrographs were derived from field measurement

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26

Barrett, Gary Edward. "Infiltration in water repellent soil." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28618.

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Observations made at Goat Meadows - a small sub-alpine basin located near Pemberton, British Columbia -demonstrated that a layer which is either water repellent or has only a limited affinity for water is present at most vegetated sites. The layer is typically a few centimetres in thickness, and is usually located at or near the top of the profile: it was present only in the zone of accumulation of organic matter. The spatial distribution of the layer did not appear to be related to the distribution of any particular species of plant. Sampling of sub-alpine sites in the Cascade, Selkirk, and P

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27

Li, C. O. "Finite element analyses of seepage and stability problems in geomechanics." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233378.

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Mavroulidou, Maria. "Numerical modelling of seepage in the presence of phreatic surfaces." Thesis, University of Surrey, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301110.

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THA, PEDRO DE CARVALHO. "STUDY OF SEEPAGE CONDITIONS THROUGH ITAIPU LEFT BANK EARTHFILL DAM." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=11080@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>A barragem de Itaipu consiste em uma série de estruturas cujo comprimento total é de 7744 m. Uma dessas estruturas é a Barragem de Terra da Margem Esquerda (BTME), cuja extensão é de 1989 m. A BTME está fundada diretamente sobre o solo do local, que consiste em um perfil de intemperismo de basalto, indo desde argila, na superfície, à rocha sã. Seu comportamento é monitorado por 9 piezômetros elétricos, 26 piezômetros standpipe, 12 medidores de nível d`água e seis medidores de vazão. Os medidores de vazão foram inicialmente

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30

Abrishami, J. "An investigation into the flow of water in partially saturated sands and its representation using finite element." Thesis, Bucks New University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376617.

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Salem, Hicham. "A Practical Approach to the Erodibility of Cohesive Soils." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39673.

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A set of solutions to the cohesive soil erosion problem were developed through this study. A first device, the Erosionometer, was developed to perform a quick and reliable test to determine the critical shear stress of soils. The Erosionometer is based on physical shearing of the soil surface and has been calibrated through comparison with piston flume measurements of critical shear stress for entrainment of various fluvial bed sediments. This device is portable, easy to deploy in the field and in the laboratory and allows engineers and researchers to cover a sizeable terrain by performing m

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32

Holmqvist, Marcus, and Marcus Gunnteg. "Seepage, Solute transport and Strain-stress Analysis of Ashele Tailings Dams." Thesis, Uppsala universitet, Elektricitetslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-237732.

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This master thesis has been conducted through cooperation between Elforsk, Uppsala University and Tsinghua University in Beijing. Ashele Tailings Dam, located in Haba Town, Xianjing Province, China, is designed and used for high sulphur tailings. Because of a new mineral separation technique, the dam is now also being filled with low sulphur tailings. Since the dam was not originally designed for the new tailings materials, the seepage and stress-strain analyses of the dam need to be re-evaluated and refined. The Ashele Ltd. is also planning on building a new dam to meet its growing need for t

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33

Story, Brian T. "Canal seepage reduction using anionic polyacrylamide field and bench-scale tests /." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1317346011&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Crawford-Flett, Kaley A. "An improved hydromechanical understanding of seepage-induced instability phenomena in soil." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/46709.

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Jeyisanker, Kalyani. "Analysis of Water Seepage Through Earthen Structures Using the Particulate Approach." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002783.

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Long, Lauren M. "Evidence of geologic phosphorus from groundwater seepage to Newnans Lake, Florida." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0041275.

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詹坤哲. "Debris flows induced by seepage." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/97354349805895200038.

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碩士<br>國立中興大學<br>水土保持學系<br>92<br>A flume experiment with a finite slope of soil body was taken to study seepaged slope failure and the movement of destruct soil mass. The results were obtained as following: 1.The more the soil body was affected by the seepage or the higher the water level was in the soil body, the flatter the gradient of soil body failure area was. 2.According to the experiment, the critical value of limited slope failure was developed on the basis of the seepage theory as follow. tanψ≦tanθd+{(iρw)/[(H/h)2-1]ρd+ρˊ} 3.DiffeH＝ height o

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38

Zhen-MingWu and 吳哲銘. "Two Dimensional Experiments on Seepage Hammer." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/37800008827327819591.

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碩士<br>國立成功大學<br>水利及海洋工程學系<br>104<br>In Taiwan, the effect of climate change on extreme rainfall and the frequent earthquakes causing highly unstable slope lead to severe landslide disaster especially large-scale landsildes. As we all know that rainfall is the main reason to cause large-scale landslides. Also, many cases and papers indicate that the internal pore water pressure is a reason to decrease strength (of slope?) and exacerbate the landslides. To further explore the occurrence mechanism of large-scale landslides, this study aims to design the two-dimensional flame experiments and compa

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Chen, Chung-Fa, and 陳進發. "Seepage Simulation for Nanhua Earth Dam." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/2s5tpn.

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碩士<br>逢甲大學<br>土木及水利工程所<br>90<br>We have got the monitoring datas of Nanhau earth dam. According to these monitoring datas. We got the distributions of the total head pressure and pore pressure. This study we used software package Seep2D model of the GMS to simulate stable type seepage. We compared and explored each other crossly by the results of simulations and monitoring datas. In order to understand the differences by this two datas. The results of the simulations and monitoring datas are almost the same at up and down stream. But the errors reach to 13% at the central parts of the earth da

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Kalin, Margaret, and M. P. Smith. "Biological amelioration of acidic seepage streams." 1991. http://hdl.handle.net/2429/12554.

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Wetland and lake sediments provide conditions where microbial sulphate reduction and biomineralization occur. These processes can assist in the amelioration of acid mine drainage emerging from pyritic mining wastes. The biological neutralization of mine water however, requires specific conditions that allow anaerobic and aerobic decomposition of organic materials to take place, together with alkalinity generation and sulphate reduction. This paper reports on the work leading up to the construction of a test facility in Sudbury, Ontario, Canada. A 4-cell test system was installed where fl

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41

Tsai, Chih-Ying, and 蔡志盈. "Application of Element Free Method on Seepage." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/60054200633826314395.

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碩士<br>國立中央大學<br>土木工程研究所<br>90<br>ABSTRACT A computer code based on the element free method to simulate the seepage behavior is developed in this research. Comparisons, specifically on accuracy and efficiency, are made between the newly developed code and the Lagrange finite element program SEEP. In analyzing unconfined flow problems, remesh is general used in finite element code as is in the SEEP. Besides, construction of the initial element mesh for the input data file is more or less time consuming. Element free method is a meshless numerical technique based on the concept of Moving Least Sq

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Chang, C. C., and 張仕祺. "Engineering Properties of Seepage Flows in Seawall." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/76518935665444189332.

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Wu, Mao-Sung, and 巫茂松. "The seepage estimate of Liyutan Earth Dam." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/79134220177179652624.

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碩士<br>國立中興大學<br>水土保持學系所<br>94<br>This study is the seepage estimate of Liyutan earth dam, seepage volume is the only one direct and sweeping reflects the earth dam condition on all over the dam monitoring. And it is the indication of the dam safety assessment. The actually seepage volume be affected by the reservoir elevation and precipitation, but dam safety is no relation with the seepage be affected by precipitation. The study use the new way to improve the seepage monitoring devices during initial rising of reservoir water elevation（1996/9-2006/4）,let the device avoid the caco3 in water an

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陳奕銓. "Studies on seepage flow along hillslope road." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/50224641063391310645.

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Lin, Ping-Hsien, and 林秉賢. "Simulation on Seepage Erosion of Soil Slopes." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/03819990975007646419.

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碩士<br>國立中興大學<br>水土保持學系所<br>104<br>Seepage erosion behavior is due to groundwater seepage force. Groundwater seepage force moves slope soil particles, and therefore slope failure occurs potentially. According to previous experimental results, we found soil particles flow out from the slope after groundwater seepage started. Flowing of soil particles caused soil scouring and cavitation occurred at slope toe. The slope soil particles on cavitation location collapsed because of the loss of support. To decrease slope failure problems due to soil seepage erosion, we need to learn more about soil see

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Wei-, Jhih Liao, and 廖偉志. "The Analysis of Seepage of Embankment Dam." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/63402384414194185951.

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碩士<br>中國科技大學<br>土木與防災設計研究所<br>102<br>There are many embankment dams in Taiwan. The seepage of water flowing through the dams is regularly monitored to ensure the integrity of the embankment dams. The effects of core size and cutoff wall on the seepage are studied. The finite element method program PLAXIS 2D is used. The mesh configuration of the embankment dams is based on the Zengwun embankment dam and the coefficients of permeability of the dams are based on those of Hushan embankment dam. The seepage is assumed to be steady. The effect of variation of core sizes (category A), and location a

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Chin-MinChen and 陳近民. "Study on Seepage Failure of Landslide-Dam." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/60440932004900727303.

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碩士<br>國立成功大學<br>水利及海洋工程學系<br>102<br>Study on Seepage Failure of Landslide-Dam Chin-Min Chen Chjeng-Lun Shieh Department of Hydraulic and Ocean Engineering, NCKU SUMMARY Landslide dams may fail due to overtopping, progressive or sudden failure of seepage. The peak discharge of flood produced by sudden failure of seepage is higher than other types. For practical application, a rapid and efficient assessment method for failure type of landslide dam is needed. By review of previous study, we conclude the factors be considered for evaluation. First, factors of overtopping and seepage failure includ

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Fu, Szu-Wei, and 傅思維. "Study on the factor of Seepage Erosion." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5080026%22.&searchmode=basic.

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碩士<br>國立中興大學<br>水土保持學系所<br>107<br>The causes of many slope disasters are often related to the seepage behavior in soil. For instance, groundwater seepage may cause internal erosion of the soil. The soil particles are taken away by seepage water to form void or pipe. In addition , the earth pressure leads to the collapse of the overlying soil. In this study, we designed a set of apparatus that can add confining pressure to the outside of the specimen. In order to simulate the situation of sand in slopes. We investigated the critical seepage velocity of sands caused by seepage erosion failure

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Dorrance, David William. "Streaming potential and seepage meter studies at Upper Lake Mary near Flagstaff, Arizona." 1989. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1989_157_sip1_w.pdf&type=application/pdf.

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Cheng, Tah-Cheng, and 鄭答振. "Boundary Element Analysis for Seepage of Earth Dam." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/76631445213660459810.

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