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Academic literature on the topic 'Seepage'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 August 2024

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Journal articles on the topic "Seepage"

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Fata, Y. A., E. Suhartanto, Hendrayanto, and P. Rubiantoro. "Seepage Patterns in an Earth-Rock Fill Dam Evaluation using Electrical Resistivity Tomography (ERT) Method." IOP Conference Series: Earth and Environmental Science 930, no. 1 (December 1, 2021): 012090. http://dx.doi.org/10.1088/1755-1315/930/1/012090.

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Abstract Seepages in the earth-rock fill dam are usually monitored by pore pressure, seepage water table, and seepage discharge. However, those monitoring are difficult to describe the seepage patterns because they are installed only in certain points. This research evaluated the seepage pattern resulting from Electrical Resistivity Tomography (ERT). The resistivity was measured by installing electrodes upstream of the Dam at every 10 m and downstream at 20 m distances. The seepage pattern was analysed from the resistivity 2 Dimension distribution using the RES2DINV program. The results showed that the seepage pattern resulting from the ERT method’s resistivity data, which was compared with data of surface dam deformation, pore pressure, and seepage water table, could explain the seepage discharge data. Based on those confirming data, the resistivity data of the ERT method was appropriate to explain the seepage pattern in the earth-rock fill dam and can be further utilized for dam stability analysis.
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Niu, Yulong, Yuan Wang, Zhiyu Sun, Jinghua Li, Xin Xiang, and Zhikui Wang. "Discrepancy between Forward and Reverse Seepage Characteristics in a Single Rough Fracture." Advances in Civil Engineering 2021 (March 19, 2021): 1–19. http://dx.doi.org/10.1155/2021/6648522.

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Under the uniform seepage boundary condition, the forward and reverse seepage flow rates will vary widely. In response to this phenomenon, this paper studies the mechanism of the difference in seepage characteristics between the forward and reverse directions from the fracture profile’s roughness, Darcy and non-Darcy seepage, and distribution of eddy currents. First of all, wavelet transform was used to decompose and reconstruct the single rough fracture for 8 times, and then 9 fracture models with various roughness degrees were constructed. Then, Finite Volume Method was used to simulate the seepage in the original and approximate models of the Reynolds number varying from 0.001 to 1000. The results show that the nonlinear seepage is necessary for the difference between the forward and reverse seepage characteristics of the single rough fracture. The mechanism of the discrepancy between forward and reverse nonlinear seepages is the diverse shapes and distribution of the eddy current generated by the forward and reverse seepage. The secondary roughness provides space for the existence and development of the eddy current. The secondary roughness is the geometric basis of the discrepancy between the forward and reverse seepage characteristics.
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Bijoy, Sourov Datta, Md Yousuf Gazi, SM Mainul Kabir, and Badrul Imam. "Geological and Geophysical Observations to Determine the Gas Seepage Source of Titas Gas Field Region, Bangladesh." Journal of the Asiatic Society of Bangladesh, Science 45, no. 1 (June 18, 2019): 93–109. http://dx.doi.org/10.3329/jasbs.v45i1.46572.

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Titas Gas Field, the largest gas field in Bangladesh, has been encountering gas seepages in numerous points at the surface in an area of about 7 sq. km. at the southeastern part of the field since 2006. Gas has been seeping through the water wells, small and large holes in the fields including agricultural lands, in the river and through the cracks in the ground. The present research attempts to point out the source of the gas seepages based on the field studies, wireline log analyses and other available borehole data. A reconnaissance resistivity survey has been carried out around the high seepages area to detect any evidence of shallow subsurface fault. No fault was detected by resistivity survey in the shallow depth in the seepage area and thus fault as a conduit for the seepage could not be confirmed. Primarily, all wells of Titas Well Location (TWL-C) (Titas-06, 08, 09 and 10) were suspected as possible source wells as the surface distribution of seepages generally clusters around TWL-C. Titas-06 and Titas-08 were taken out of suspect list as the gas seepage distributions do not follow well path and cement bonding against reservoir sands including ‘A’ sand in these two wells are also good. Gas seepages follow the well trajectories of Titas-09 and 10 wells but cement bonding against ‘A’ gas sand in Titas-09 also discarded the well as a probable source of the gas seepage. Also, the suggestion that Titas well-03 could be a source of gas seep is also ruled out because of the fact that it is located 3 km away from the seepage area, there is no evidence of any seepage in between the well 3 and the seepage area, and the gas sands are also well protected. The above evidences turned the whole focus onto Titas-10. Gamma ray, resistivity, density, sonic and neutron log signatures recorded initially in the Titas-10 well strongly indicated a major gas sand and has been designated ‘A1’ gas sand. On the basis of various logs including CBL/VDL log it is evident that about 23 meters (3157-3180-meter MD) gas sand at the top which is not protected by cement. It is most likely source of gas seeps in Titas gas field is the gap in the cement protection at the top of A sand in Titas-10 well. Asiat. Soc. Bangladesh, Sci. 45(1): 93-109, June 2019
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Panta, Manisha, Padam Jung Thapa, Md Tamjidul Hoque, Kendall N. Niles, Steve Sloan, Maik Flanagin, Ken Pathak, and Mahdi Abdelguerfi. "Application of Deep Learning for Segmenting Seepages in Levee Systems." Remote Sensing 16, no. 13 (July 3, 2024): 2441. http://dx.doi.org/10.3390/rs16132441.

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Seepage is a typical hydraulic factor that can initiate the breaching process in a levee system. If not identified and treated on time, seepages can be a severe problem for levees, weakening the levee structure and eventually leading to collapse. Therefore, it is essential always to be vigilant with regular monitoring procedures to identify seepages throughout these levee systems and perform adequate repairs to limit potential threats from unforeseen levee failures. This paper introduces a fully convolutional neural network to identify and segment seepage from the image in levee systems. To the best of our knowledge, this is the first work in this domain. Applying deep learning techniques for semantic segmentation tasks in real-world scenarios has its own challenges, especially the difficulty for models to effectively learn from complex backgrounds while focusing on simpler objects of interest. This challenge is particularly evident in the task of detecting seepages in levee systems, where the fault is relatively simple compared to the complex and varied background. We addressed this problem by introducing negative images and a controlled transfer learning approach for semantic segmentation for accurate seepage segmentation in levee systems.
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Fatma, Gatot Yuliyanto, and Udi Harmoko. "Identify the Oil Seepage in Plantungan Geothermal Manifestation, Kendal Using HVSR Method." E3S Web of Conferences 125 (2019): 15004. http://dx.doi.org/10.1051/e3sconf/201912515004.

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The presence of oil seepage to the surface indicates that at least an active petroleum system is present subsurface. Oil seepage that occurred in Plantungan, Kendal, Central Java, has been known since 1971 and still produces seepage until today. On the research area, three oil seepages point were found. Plantungan region is located in East Serayu Zone underlain by volcanic area, and based on the Geology Map, the research area is located in Banjarnegara-Pekalongan Sheet. To understand the geology condition of the research area, a subsurface mapping is needed, even though the mapping does not provide the depth of bedrock and reservoir, data recording using HVSR (Horizontal to Vertical Spectrum Ratio) method that has been done in 18 points is able to provide Vp and density profile to understand the distribution of oil seepage. The oil seepage is most prominent close to SB09 location, however the result from crossplot found that the value of highest Vp×density is on SB12A with 4,306,197 kg/m2s, and lowest Vp×density in on SB17A with 302,305.3 kg/m2s.
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Conti, Stefano, Claudio Argentino, Chiara Fioroni, Aura Cecilia Salocchi, and Daniela Fontana. "Miocene Seep-Carbonates of the Northern Apennines (Emilia to Umbria, Italy): An Overview." Geosciences 11, no. 2 (January 28, 2021): 53. http://dx.doi.org/10.3390/geosciences11020053.

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The natural emission of methane-rich fluids from the seafloor, known as cold seepage, is a widespread process at modern continental margins. The studies on present-day cold seepages provide high-resolution datasets regarding the fluid plumbing system, biogeochemical processes in the sediment, seafloor seepage distribution and ecosystems. However, the long-term (hundreds of thousands to millions of years) evolution of cold seepage remains elusive. The identification and study of outcrop analogous now exposed on land represent a valuable method for better understanding the effects of geological processes and climate forcing on the development of cold seepage systems. Here, we provide an overview on Miocene seep-carbonate deposits of the northern Apennines (from Emilia to the Umbria-Marchean sector, Italy), based on decades of field research integrated with detailed sedimentological and geochemical investigations. We report a total of 13 seep-carbonate outcrops, which formed in three different structural settings of the paleo-accretionary wedge corresponding to wedge-top basins, outer slope and intrabasinal highs at the deformational front. We discuss the recurring lithostratigraphic occurrence of seep deposits and the main compositional features (carbonate facies, carbon and oxygen stable isotopes) in order to interpret the seepage dynamics, duration and infer the contribution of methane-rich fluids released by paleo-gas hydrates. The datasets presented in this study represent a valuable complete record of cold seepage spanning ~12 Myr, that can be used to better understand factors controlling the regional-scale spatial and temporal evolution of cold seepage systems at modern active continental margins.
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Yang, Jinxiu, Mingyue Lu, Zhiguang Yao, Min Wang, Shuangfang Lu, Ning Qi, and Ying Xia. "A Geophysical Review of the Seabed Methane Seepage Features and Their Relationship with Gas Hydrate Systems." Geofluids 2021 (October 12, 2021): 1–26. http://dx.doi.org/10.1155/2021/9953026.

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Seabed methane seepage has gained attention from all over the world in recent years as an important source of greenhouse gas emission, and gas hydrates are also regarded as a key factor affecting climate change or even global warming due to their shallow burial and poor stability. However, the relationship between seabed methane seepage and gas hydrate systems is not clear although they often coexist in continental margins. It is of significance to clarify their relationship and better understand the contribution of gas hydrate systems or the deeper hydrocarbon reservoirs for methane flux leaking to the seawater or even the atmosphere by natural seepages at the seabed. In this paper, a geophysical examination of the global seabed methane seepage events has been conducted, and nearby gas hydrate stability zone and relevant fluid migration pathways have been interpreted or modelled using seismic data, multibeam data, or underwater photos. Results show that seabed methane seepage sites are often manifested as methane flares, pockmarks, deep-water corals, authigenic carbonates, and gas hydrate pingoes at the seabed, most of which are closely related to vertical fluid migration structures like faults, gas chimneys, mud volcanoes, and unconformity surfaces or are located in the landward limit of gas hydrate stability zone (LLGHSZ) where hydrate dissociation may have released a great volume of methane. Based on a comprehensive analysis of these features, three major types of seabed methane seepage are classified according to their spatial relationship with the location of LLGHSZ, deeper than the LLGHSZ (A), around the LLGHSZ (B), and shallower than LLGHSZ (C). These three seabed methane seepage types can be further divided into five subtypes considering whether the gas source of seabed methane seepage is from the gas hydrate systems or not. We propose subtype B2 represents the most important seabed methane seepage type due to the high density of seepage sites and large volume of released methane from massive focused vigorous methane seepage sites around the LLGHSZ. Based on the classification result of this research, more measures should be taken for subtype B2 seabed methane seepage to predict or even prevent ocean warming or climate change.
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Enoh, Mfoniso Asuquo, Richard Ebere Njoku, and Esomchukwu Chinagorom Igbokwe. "Geospatial Interpretation of Onshore Hydrocarbon Micro–Seepage Induced Alterations in Soils and Sediments by Spectral Enhancement Techniques." International Journal of Design & Nature and Ecodynamics 16, no. 3 (June 30, 2021): 307–13. http://dx.doi.org/10.18280/ijdne.160309.

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Hydrocarbon micro – seepages are light hydrocarbon that cause oxidation – reduction reaction on the earth’s surface, resulting in alterations and anomalies such as red bed bleaching, ferrous iron enrichment and increase in the concentration of clay minerals and carbonate in overlying soils and sediments. Remote sensing has become a valuable tool in hydrocarbon micro – seepage studies and have been successfully used to interpret surface alterations and anomalies of minerals. In this study, Landsat 7 ETM+ remotely sensed data was utilized for interpreting the onshore hydrocarbon micro – seepage induced alterations zone in Ugwueme. Spectral enhancements techniques such as the principal component analysis (PCA), band ratio (BR) and false color composite (FCC) were adopted for delineating alteration zones. With Landsat 7 ETM+ band selection, and for PCA, the 1457PC3, 1345PC2 and 3457PC4 are the most suitable PC image for spectral enhancement of ferric iron, ferrous iron and clay minerals. Band ratio index such as (3/1), (7/5) and (2+5)/(3+4) also yields better enhancement for anomalous micro – seepage. The study shows that PCA, BR, FCC are good spectral enhancement techniques for interpreting hydrocarbon micro – seepage alterations in overlying soils and sediments.
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Cao, Jiansheng, Changming Liu, and Wanjun Zhang. "Response of rock-fissure seepage to snowmelt in Mount Taihang slope-catchment, North China." Water Science and Technology 67, no. 1 (January 1, 2013): 124–30. http://dx.doi.org/10.2166/wst.2012.542.

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The complex physiographic and hydrogeological systems of mountain terrains facilitate intense rock-fissure seepages and multi-functional ecological interactions. As mountain eco-hydrological terrains are the common water sources of river basins across the globe, it is critical to build sufficient understanding into the hydrological processes in this unique ecosystem. This study analyzes infiltration and soil/rock-fissure seepage processes from a 65 mm snowfall/melt in November 2009 in the typical granitic gneiss slope catchment in the Taihang Mountains. The snowfall, snowmelt and melt-water processes are monitored using soil-water time-domain reflectometry (TDR) probes and tipping bucket flowmeters. The results suggest that snowmelt infiltration significantly influences soil/rock water seepage in the 0–100 cm soil depth of the slope-catchment. It is not only air temperature that influences snowmelt, but also snowmelt infiltration and rock-fissure seepage. Diurnal variations in rock-fissure seepage are in close correlation with air temperature (R2 > 0.7). Temperature also varies with soil/rock water viscosity, which element in turn influences soil/rock water flow. Invariably, water dynamics in the study area is not only a critical water supply element for domestic, industrial and agricultural uses, but also for food security and social stability.
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Akinlabi I. A. and Olanrewaju S. A. "Assessment of Seepage in an Embankment Dam Using Very Low Frequency Electromagnetic and Geoelectrical Methods." Asian Journal of Environment & Ecology 23, no. 7 (June 2, 2024): 114–24. http://dx.doi.org/10.9734/ajee/2024/v23i7568.

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Geoephysical surveys involving Very Low Frequency Electromagnetic (VLF-EM), Vertical Electrical Sounding (VES) and 2D resistivity imaging were conducted along the embankment of Asejire dam to detect potential seepage zones and assess the integrity of the dam. 750 VLF-EM measurements were made at 10 m station interval using the VLF-EM Equipment. 24 Schlumberger VES were conducted at 20 m interval using resistivity meter and its accessories. The current electrode spacing (AB/2) was varied from 1 m to 100 m. The 2D resistivity profiling employed the dipole-dipole configuration with electrode spacing, a = 20 m and expansion factor, n = 1 - 5. The VLF-EM data were processed and modelled using Fraser Filtering and Karous-Hjelt software to delineate subsurface zones of varying conductivities suggesting anomalous seepage. The VES data were quantitatively interpreted using the partial curve matching technique and 1D resistivity inversion algorithm while the dipole-dipole data were inverted using 2D resistivity inversion procedure. The VLF-EM inverted sections revealed prominently conductive zones indicating anomalous seepage zones beneath the dam embankment. The relatively less conductive zones possibly indicate reduced seepage. The results of VES interpretation revealed three geoelectric layers beneath the dam embankment representing the caprock, core and bedrock. The 2D inverted resistivity sections delineated zones with anomalously low resistivity generally less than 10 Ωm, indicating anomalous seepage, beneath the embankment. This study has demonstrated the effectiveness of combining the VLF and geoelectrical methods for delineating anomalous seepages in the assessment of dam safety. The anomalously low resistivity/high conductive zones identified beneath the dam embankment are suspected anomalous seepage zones which can threaten the integrity of the dam. Routine monitoring and remedial measures are therefore recommended to forestall the failure of the dam.
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Dissertations / Theses on the topic "Seepage"

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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 barrier: 1) erosion at the interface between a fine-grained soil and a course-grained soil, 2) erosion of overlying soil due to flow along a joint in bedrock, and 3) erosion of the barrier material. The objective of this study is to investigate the first mode of erosion and identify the conditions at which more serious seepage problems can develop. The research has been performed using a laboratory model to simulate conditions near a seepage barrier crack under the scenarios described above. The results from the laboratory testing were compared to finite element seepage models for each scenario to estimate the flow velocities near the crack. The flow velocities were compared to estimated critical velocities of the soil to asses where erosion is likely to occur. A comparison was made between the observed behavior in the model and the behavior predicted with the computer model. The results of the research will be used to develop a method to assess the potential for erosion to occur and develop into a failure mode based on conditions near seepage barrier cracks.
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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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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 dam’s 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 absoluteaccuracy. Temperature can normally be easily measured inexisting standpipes. Resistivity measurements are morecomplicated; they require a computer-based monitoring systemand minor technical installations on the dam.

The temperature in an embankment dam depends mainly on thetemperature in the air and the water temperature in theupstream reservoir. These two temperatures vary seasonally andcreate temperature waves propagating through the dam. Theseepage rate, and its change with time, can be evaluated frommeasurements repeated at regular intervals. The sensitivity ofthe method depends mainly on the distance between the dam crestand the measurement point, the size of the dam, the location ofthe standpipes, and the temperature variation in the reservoirat the inflow level. The seepage detection level of the methodis about 1 ml/sm2 for a typical Swedish dam with a height ofabout 30 m. The detection level depends linearly on the damheight. Results from field measurements show that the methodgives reasonable information concerning the condition of thedam. Zones with anomalous seepage rates have been located andseepage flow rates have been quantified. Changes in the seepageflow rate as well as the seepage pathway have also beenobserved.

The resistivity of the ground depends mainly on theporosity, saturation and clay content. When reservoir waterseeps through a dam, the properties of the water in thereservoir will also affect the resistivity in the dam. Theresistivity of the reservoir water is temperature dependent,but it is also a function of the total dissolved solids. Boththese parameters vary seasonally and this causes variations inthe dam. The seepage flow can be evaluated from the resistivitydata using methods similar to those employed for seepageevaluation from temperature data. The sensitivity is similar tothat of the temperature method but the resolution and accuracyis lower. Zones with anomalous leakage can be located. Groundpenetrating radar and borehole radar methods are based on themeasurement of material dependent properties. These are lesssensitive to seepage changes than flow dependent parameters.The relatively high accuracy obtained by borehole radarmeasurements compensates however for their lower sensitivity toporosity changes. Borehole radar based on tomographic analysiscan be a valuable method for mapping areas with increased andanomalous porosity formed as a consequence of increased seepageand internal erosion.

Key words:embankment dams, internal erosion, seepagemonitoring, temperature, resistivity, ground penetratingradar

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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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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.
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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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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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.
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 grid drainage system, all canal and natural groundwater seepage would be intercepted and the water table would remain below the design water table depth, with or without irrigation recharge that would maintain a steady state salt balance.
The benefits of fall irrigation were demonstrated using three test plots near the canal.
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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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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 seepage, erosion, piping and slope instability. Transient seepage analyses provide an effective method of evaluating seepage through levees and its potentially destabilizing effects. Floods against levees usually last for days or weeks. In response to a flood, pore pressures within the levee will change from negative (suction) to positive as the phreatic surface progresses through the levee. These changes can be calculated by finite element transient seepage analyses. In order for the transient seepage analysis to be valid, appropriate soil properties and initial conditions must be used. The research investigation described here provides simple and practical methods for estimating the initial conditions and soil properties required for transient seepage analyses, and illustrates their use through a number of examples.
Ph. D.
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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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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, seepage barriers give rise to the potential for additional mechanisms of internal erosion and piping in the dam and the foundation. Mechanisms of erosion and piping that are uniquely related to seepage barriers have been investigated through review of measured performance of existing dams, and through analytical studies. A compendium of 30 case studies of dams that have had seepage barriers in place for over 10 years has been assembled, and observations and insights garnered from these case studies were compiled. Finite element seepage and deformation analyses have been performed to provide better understanding of the performance of seepage barriers and the mechanisms that affect their performance. Based on the findings from the case studies and analyses, potential failure modes specific to dams with seepage barriers were identified, and the sequences of events required for the propagation of these failure modes were developed. The observations and insights acquired in this study were distilled into conclusions regarding the long-term performance of dams with seepage barriers. The information derived from this study will be useful in 1) assessing the potential for internal erosion and piping developing in dams with seepage barriers, 2) designing to minimize that possibility, and 3) assessing the risks associated with these mechanisms of erosion and piping. It is envisioned that the results of this study will provide dam owners and engineers with a better understanding of the issues involved with dams having seepage barriers and that this understanding will lead to improved practices in assessing, designing, and monitoring of dam seepage barriers. In addition, by improving the means by which seepage barriers can be assessed and designed, it is hoped that the confidence level that dam engineers have with regard to properly designed seepage barriers will be increased, and that properly designed seepage barriers can be viewed as safe and viable alternatives for mitigation of seepage problems.
Ph. D.
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Books on the topic "Seepage"

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Etiope, Giuseppe. Natural Gas Seepage. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14601-0.

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Cedergren, Harry R. Seepage, drainage, and flow nets. 3rd ed. New York: Wiley, 1989.

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Lennon, Michael P. Basement water seepage: Diagnostics and control. McLean Va. (6715 Lowell Ave., McLean 22101): HomePro Systems, 1990.

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Fell, Robin. Seepage control measures in tailings dams. Hobart: Australian National Committee on Large Dams, 1990.

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Griffin, P. M. Control of seepage in tailings dams. Hobart: Australian National Committee on Large Dams, 1990.

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B, Symonds Robert, and Geological Survey (U.S.), eds. Investigations of gas seeps and springs in the vicinity of the gas rocks, south shore Becharof Lake, Alaska. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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National Institute of Hydrology (India), ed. Effect of discontinuous aquitard on the seepage from a static water body. Roorkee: National Institute of Hydrology, 1997.

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B, Symonds Robert, and Geological Survey (U.S.), eds. Investigations of gas seeps and springs in the vicinity of the gas rocks, south shore Becharof Lake, Alaska. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Vuković, Milan. Soil stability and deformation due to seepage. Littleton, Colo: Water Resources Publications, 1992.

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Clarke, Stephen P. How to handle seepage from farm silos. Toronto, Ont: Ministry of Agriculture, Food and Rural Affairs, 1995.

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Book chapters on the topic "Seepage"

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Zhang, Kun, Haibin Song, Jiangxin Chen, Minghui Geng, and Boran Liu. "Gas Seepage Detection and Gas Migration Mechanisms." In South China Sea Seeps, 35–53. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1494-4_3.

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AbstractGas seepages are often observed at the seafloor and can form cold seep systems, which are important for climate change, geohazards, and biogeochemical cycles. Many kinds of methods have been used to detect gas seepages, e.g., video imaging, active acoustic, passive acoustic, and direct gas sampling. In this chapter, we introduce the characteristics of these methods and show their applications in the South China Sea (SCS). Particle image velocimetry (PIV) technology is used here to quantitatively detect gas seepage in the northwestern SCS and visualize the seepage flow field. The gas migration mechanisms are also discussed. With the development of technologies, long-term, three-dimensional, and comprehensive observations is permitted to quantitatively characterize gas seepages, which can help us understand the formation and mechanism of gas seepages further in the future. Physical and numerical simulations of gas migration and geohazard processes would also be helpful in the future for understanding the fate of gas seepages.
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Craig, R. F. "Seepage." In Soil Mechanics, 7–14. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4899-3772-8_2.

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Weik, Martin H. "seepage." In Computer Science and Communications Dictionary, 1537. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_16832.

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Das, Braja M. "Seepage." In Advanced Soil Mechanics, 283–347. 5th edition. | Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9781351215183-7.

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Castro-Orgaz, Oscar, and Willi H. Hager. "Seepage Flows." In Non-Hydrostatic Free Surface Flows, 317–92. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-47971-2_4.

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Roy, Mihir. "Seepage Control." In Geotechnical and Foundation Engineering Practice in Industrial Projects, 141–75. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7906-6_8.

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Etiope, Giuseppe. "Introduction." In Natural Gas Seepage, 1–15. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14601-0_1.

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Etiope, Giuseppe. "Gas Seepage Classification and Global Distribution." In Natural Gas Seepage, 17–43. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14601-0_2.

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Etiope, Giuseppe. "Gas Migration Mechanisms." In Natural Gas Seepage, 45–61. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14601-0_3.

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Etiope, Giuseppe. "Detecting and Measuring Gas Seepage." In Natural Gas Seepage, 63–84. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14601-0_4.

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Conference papers on the topic "Seepage"

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Davy, R., and M. J. McAree. "Embankment Seepage Investigation." In 20th Biennial Conference of the British Dam Society. ICE Publishing, 2018. http://dx.doi.org/10.1680/sdar.64119.037.

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Kalinich, Donald A., and Michael L. Wilson. "Effects of Uncertainty and Spatial Variability on Seepage Into Drifts in the Yucca Mountain Total System Performance Assessment Model." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1247.

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Abstract Seepage into the repository drifts is an important factor in total-system performance. Uncertainty and spatial variability are considered in the seepage calculations. The base-case results show 13.6% of the waste packages (WPs) have seepage. For 5th percentile uncertainty, 4.5% of the WPs have seepage and the seepage flow decreased by a factor of 2. For 95th percentile uncertainty, 21.5% of the WPs have seepage and the seepage flow increased by a factor of 2. When seepage was forced on 100% of the WPs the seepage flow increased by a factor of 3.
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Shen, Zhenzhong, Chenliang Li, Liqun Xu, and Ying Ma. "Study on Unstable Seepage Field Characteristic and Seepage Control Measures of Wutagou Floodway." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5515507.

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Fox, G. A., M. L. Chu-Agor, R. M. Cancienne, and G. V. Wilson. "Seepage Erosion Mechanisms of Bank Collapse: Three-Dimensional Seepage Particle Mobilization and Undercutting." In World Environmental and Water Resources Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40976(316)292.

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Lu, Rui-Li, Dong-Po Sun, Wei Wei, and Jin-jie Zhou. "Numerical Simulation of Seepage Field in the Tailing Dam with Draining Seepage System." In 2013 Fourth International Conference on Digital Manufacturing & Automation (ICDMA). IEEE, 2013. http://dx.doi.org/10.1109/icdma.2013.203.

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Guardo, Mariano, and Angela A. Prymas. "Calibration of Steady-State Seepage Simulations to Estimate Subsurface Seepage into an Artificial Wetland." In Wetlands Engineering and River Restoration Conference 1998. Reston, VA: American Society of Civil Engineers, 1998. http://dx.doi.org/10.1061/40382(1998)99.

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Chen, Xingzhou, Junrui Chai, and Weisheng Xu. "The Dual Iteration FEM Method to Define the Seepage Free Surface for Non-Darcy Seepage." In 2010 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2010. http://dx.doi.org/10.1109/appeec.2010.5449247.

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Li, Yanlong, Shouyi Li, Xiaofei Zhang, and Rui Fan. "Research on Bypass Seepage of Dam Abutment Deep-Thickness Sand Layer and Anti-Seepage Scheme." In 2010 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2010. http://dx.doi.org/10.1109/appeec.2010.5449280.

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Changjing Fu and Liang Chen. "Researches on the back analysis of seepage field and temperature testing influenced by seepage field." In 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5776505.

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Chu-Agor, M. L., G. A. Fox, and G. V. Wilson. "A Seepage Erosion Sediment Transport Function and Geometric Headcut Relationships for Predicting Seepage Erosion Undercutting." In World Environmental and Water Resources Congress 2009. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41036(342)378.

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Reports on the topic "Seepage"

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P. Dixon. Seepage Calibration Model and Seepage Testing Data. Office of Scientific and Technical Information (OSTI), February 2004. http://dx.doi.org/10.2172/837560.

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S. Finsterle. Seepage Calibration Model and Seepage Testing Data. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/838645.

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Wagner, Anna, Arthur Gelvin, Jon Maakestad, Thomas Coleman, Dan Forsland, Sam Johansson, Johan Sundin, and Chandler Engel. Initial data collection from a fiber-optic-based dam seepage monitoring and detection system. Engineer Research and Development Center (U.S.), October 2023. http://dx.doi.org/10.21079/11681/47819.

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Visual inspection is the most used method to detect seepage at dams. Early detection can be difficult with this method, and use of appropriate real time monitoring could significantly increase the chances of recognizing possible failure. Seepages can be identified by analyzing changes in water and soil temperature. Optical fiber placed at the embankment’s downstream toe has been proven to be an efficient means of detecting real time changes at short intervals over several kilometers. This study aims to demonstrate how temperatures measured using fiber optic distributed sensing can be used to monitor seepage at Moose Creek Dam, North Pole, Alaska. The fiber optic cable portion of the monitoring system is installed along a section of the embankment where sand boils have occurred. Though no flood event occurred during this monitoring period, routine pumping tests of nearby relief wells resulted in an increase of soil and water temperature (up to 13°C) along a 100 m section where sand boils were detected during the 2014 flood events. Measurements during a flood event are expected to provide a quantitative assessment of seepage and its rate.
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P.S. Domski. SEEPAGE/INVERT INTERACTIONS. Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/861107.

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D. Carpenter. Seepage/Cement Interactions. Office of Scientific and Technical Information (OSTI), March 2000. http://dx.doi.org/10.2172/861110.

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P. Mariner. SEEPAGE/BACKFILL INTERACTIONS. Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/861905.

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Stejskal, G. H-Area Seepage Basins. Office of Scientific and Technical Information (OSTI), December 1990. http://dx.doi.org/10.2172/5015484.

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J.T. Birkholzer. Abstraction of Drift Seepage. Office of Scientific and Technical Information (OSTI), November 2004. http://dx.doi.org/10.2172/840435.

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Michael L. Wilson. ABSTRACTION OF DRIFT SEEPAGE. Office of Scientific and Technical Information (OSTI), February 2001. http://dx.doi.org/10.2172/875321.

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Weidner, H. Seepage into PEP tunnel. Office of Scientific and Technical Information (OSTI), June 1990. http://dx.doi.org/10.2172/6951846.

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