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Academic literature on the topic 'Silt'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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Journal articles on the topic "Silt"

1

Monkul, Mehmet Murat, and Jerry A. Yamamuro. "Influence of silt size and content on liquefaction behavior of sands." Canadian Geotechnical Journal 48, no. 6 (June 2011): 931–42. http://dx.doi.org/10.1139/t11-001.

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This study investigates the fines content influence on liquefaction potential of a single base sand mixed with three different essentially nonplastic silts through strain-controlled monotonic undrained triaxial compression tests. Confining stress (30 kPa) and deposition method (dry funnel deposition) were kept the same, while fines content was varied, to solely focus on how different silts and their contents influence the undrained response of the sand under comparable conditions. It was found that if the mean grain diameter ratio (D50-sand/d50-silt) of the sand grains to silt grains is sufficiently small, the liquefaction potential of the sand increases steadily with increasing fines content for the studied range (0%–20%). As D50-sand/d50-silt increases, the liquefaction potential of the silty sand might actually be less than the liquefaction potential of the clean sand. Test results also revealed that commonly used comparison bases (i.e., void ratio, intergranular void ratio, relative density) are not sufficient for assessing the influence of fines on liquefaction potential of silty sands. Finally, relative size of the silt grains should also be considered in geotechnical engineering practice in addition to content and plasticity of fines to characterize the influence of silt on liquefaction potential of sands.

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Gazi, Md Yousuf, SM Mainul Kabir, and Md Badrul Imam. "Silt content approximation of Neogene Surma group mudrocks, Sitakund anticline, Bengal basin." Bangladesh Journal of Scientific Research 30, no. 1-2 (March 25, 2018): 35–43. http://dx.doi.org/10.3329/bjsr.v30i1-2.36118.

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Petrography of the Neogene mudrocks in this study incorporates laser particle size analysis, thin sections and scanning electron microscopy (SEM). Ten representative mudrock samples were collected from outcrops of the Sitakund structure. From the studies, it is evident that mudrocks of Sitakund structure are characteristically silty. The silt content, as estimated by laser grain size analysis, of the mudrocks ranges from 39 to 77% with average of 58%. Significant amount of granular silt with the platy clay minerals is also evident from the SEM micrographs. The silts are mainly quartz, feldspar and micas. The high silt content in the Neogene mudrocks implies an enormous flux of silty sediments with a very high rate of sedimentation allowing little time for a more selective sorting. This supports the geologic history that the uplifting and erosion of Himalaya was at the peak during Miocene and the Ganges mega delta received highest rate of sedimentation and growth rendering shale consistently silty.Bangladesh J. Sci. Res. 30(1&2): 35-43, December-2017

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Wang, Ke Dao, and Jin Hua Wang. "Tendency of Beach Surface between Maojiagang Two Moles." Advanced Materials Research 621 (December 2012): 292–95. http://dx.doi.org/10.4028/www.scientific.net/amr.621.292.

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After Maojiagang two moles was established, beach surfaces between two moles have occurred obvious silt up, rush to silt tendency and have occurred obvious change. The speed that beach surface silts up has occurred obvious change: In first year, it is rapid that beach surface silt up; Second year, beach surface silts up obvious slack off , and reaches balance step by step; After 3 years, beach surface silt up was obvious seasonal change elevation change.

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Shu, Shi, Xiaohuan Zhou, Yujie Gong, Haohui Wang, Yan Tang, and Junhao Chen. "Strength and Contaminant Toxicity Leaching Characteristics of MgO-Solidified Silt." Processes 12, no. 6 (May 25, 2024): 1086. http://dx.doi.org/10.3390/pr12061086.

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Abstract: In this study, MgO as an environmentally friendly silt-solidifying material was first mixed with silt and then carbonized by injection with CO2. The strength and contaminant leaching characteristics of the MgO-solidified silt were studied using unconfined compressive strength and toxicity leaching tests, and the results were compared with those of cement-solidified silt. The unconfined compressive strength of the silt reached 111 kPa with 9% MgO content and a 14 d curing time. The CO2 injection further increased the unconfined compressive strength of the MgO-solidified silt by approximately 25%: the values for MgO-solidified silts without and with a CO2 injection were approximately 60% and 80%, respectively, of those of the cement-solidified silts with the same additive additions. The leaching concentrations of nutrient salts and heavy metal pollutants in the silt decreased with increased MgO content. Compared with the dredged silt, MgO solidification with carbonization reduced the leaching of total nitrogen and total phosphorus by more than 10% and 50%, respectively: these values were approximately 5% points higher than those of cement-solidified silt. Of the heavy metals, the leaching concentration of Ni was reduced the most. This study provides a theoretical basis and technical support for low-carbon treatment and green resource utilization of dredging silt.

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Polito, Carmine P., and James R. Martin. "A Reconciliation of the Effects of Non-Plastic Fines on the Liquefaction Resistance of Sands Reported in the Literature." Earthquake Spectra 19, no. 3 (August 2003): 635–51. http://dx.doi.org/10.1193/1.1597878.

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The literature presents several seemingly contradictory reports concerning the effects of non-plastic (i.e., silty) fines content on the liquefaction resistance of sands. These seemingly contradictory trends were reconciled in light of the results of a recent study by the authors that linked cyclic resistance and relative density. It was shown that the trend of decreasing cyclic resistance with increasing silt content reported in the literature could be explained by considering the soil's relative density. The same argument was made for the trend of decreasing and then increasing cyclic resistance with increasing silt content. The concept that cyclic resistance is controlled by the sand skeleton void ratio of the soil was also reconciled with the results of the authors’ previous study. The trend of increasing cyclic resistance (without a corresponding initial decrease) with increasing silt content that has been reported in the literature does not appear to occur in non-plastic silts.

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Fraser, T. A., and C. R. Burn. "On the nature and origin of "muck" deposits in the Klondike area, Yukon Territory." Canadian Journal of Earth Sciences 34, no. 10 (October 1, 1997): 1333–44. http://dx.doi.org/10.1139/e17-106.

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Organic-rich "muck" deposits, which blanket auriferous gravels in the Klondike area, Yukon Territory, comprise two principal stratigraphic units: (i) a silty Late Pleistocene deposit, and (ii) Holocene organics lying unconformably on the silt. The deposits are found predominantly in valley bottoms and, if undisturbed, are normally perennially frozen. Field and laboratory investigations of particle size, mineralogy, and morphology, as well as organic matter and sedimentary structures, indicate that the silt is both primary (massive) and redeposited (bedded) loess (by weight 87% medium and coarse silt and fine sand). Radiocarbon dates indicate that the loess was deposited during Late Wisconsinan McConnell glaciation, beginning after 27 000 14C years BP. The loess was likely derived from the floodplain of the Yukon River during periods of low flow. Turf in growth position and organic matter in the silt similar to that of loessal grasslands near Kluane Lake suggest a grassland environment for the area during McConnell glaciation. A mummified carcass in the silts indicates that some of these sediments have been frozen since shortly after deposition. Ice wedges are commonly found in the upper portion of the silt, but these wedges rarely extend into the overlying organic material. Separate, smaller ice wedges are found in the Holocene unit. Radiocarbon dates indicate that peat growth began at the start of the Holocene, as in other unglaciated portions of Yukon, when the climate became abruptly wetter.

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Rogers, C. Brent, Ronald E. Talbert, John D. Mattice, Terry L. Law, and Robert E. Frans. "Residual Fluometuron Levels in Three Arkansas Soils under Continuous Cotton (Gossypium hirsutum) Production." Weed Science 34, no. 1 (January 1986): 122–30. http://dx.doi.org/10.1017/s0043174500026588.

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Evidence has shown that fluometuron {N,N-dimethyl-N′-[3-(trifluoromethyl)phenyl]urea} persists beyond the end of the growing season when used in continuous cotton (Gossypium hirsutumL.) production. Samples were taken from three soils following cotton production in 1980, 1981, and 1982. All three soils had been in production under the same herbicide use regime, fluometuron preemergence followed by fluometuron plus MSMA (monosodium methanearsonate), since either 1976 or 1977. The fluometuron remaining in each soil was quantified using a greenhouse bioassay and a chemical extraction technique followed by high-performance liquid chromatography determinations. The fluometuron concentrations determined by bioassay and chemical extraction methods had partial correlation coefficients of 0.62, 0.91, and 0.72 for a Sharkey silty clay, a Dundee silt loam, and a Loring silt loam, respectively. Predictive equations were determined for each soil to relate chemical extraction findings to plant response. Bioassay analysis indicated nearly 2 ppmw of fluometuron in the Sharkey silty clay in October 1980, with 1 ppmw in the Dundee silt loam, and approximately 0.27 ppmw in the Loring silt loam with annual application rates of 4.0, 2.9, and 3.5 kg/ha, respectively. Fluometuron concentrations as determined by chemical analysis were 0.83, 0.34, and 0.14 ppmw, respectively. Fluometuron concentrations declined over the winter in all three soils. Samples taken in March of 1981, 1982, and 1983 showed little difference in carryover levels in the Sharkey silty clay but more yearly variation in the other two soils. Fluometuron was found in all three soils to depths of 60 cm, but more than 55% of the fluometuron was found in the upper 15 cm of each soil. A controlled laboratory study conducted with the three soils showed that both cold and dry conditions reduced fluometuron dissipation rates. In the laboratory under conditions favorable for dissipation, fluometuron had a half-life of 26 days in the Dundee silt loam, 43 days in the Loring silt loam, and 73 days in the Sharkey silty clay. In the field, dissipation was very rapid in the Loring silt loam compared to the Dundee silt loam and the Sharkey silty clay.

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Nougar, Benali, Abdelkader Brahimi, Djamel Edddine Bouri, Abdallah Krim, Omar Safer, Kamel Menad, and Ahmed Arab. "Application of the hypoplastic model for validating direct shear tests to investigate the impact of fines on the behavior of chlef sand." Journal of Engineering and Exact Sciences 10, no. 4 (May 27, 2024): 18878. http://dx.doi.org/10.18540/jcecvl10iss4pp18878.

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This study was carried out to describe the mechanical behavior of different materials in terms of shear strength, cohesion and friction. For this purpose, an experimental shear tests were carried out. The soils used for the preparation of the samples were the Chlef sand, Chlef silt and M’zilla clay and a mixture composed of 50% of silt and 50% of clay. The soils were prepared by mixing Chlef sand with fines content of silt, clay or clay silt ranging from 0, 10, 20, 30 and 40%. The tests were conducted on sand samples prepared at a relative density of 20% representing a loose state and subjected to three normal stresses of 100, 200 and 400 kPa. All the tests were conducted at constant displacement rate of 1.00 mm/min. From the obtained results, it can be seen that the clean sand showed the highest shear strength at a small strains. At large strains, sands with 30% clay rather than 30% clay silt showed the highest shear strengths respectively. More contracted sands have the greatest increased maximum shear strengths. The sand with clayey silt, at a fine content of 20%, develops the most increased cohesion, among the other silty-clayey sands, together with the most reduced shear strength in elastic behavior. The sand with 40% of silt content develops a greater internal friction angle, however, the other silty sands, showed reduced shear strength, at the same behavior. To validate these findings, numerical simulations were performed on sand-silt mixtures using the hypoplastic model. The results indicated that the hypoplastic model accurately predicts the shear behavior of sand-silt mixtures in direct shear test, providing realistic insights into the effects of fines on the mechanical properties of the soil. Keywords: Sand, Silt, Clay, Fines Content, Shear Strength, Friction, Cohesion.

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Sezer, Alper, Eyyub Karakan, and Nazar Tanrinian. "Shear modulus and damping ratio of a nonplastic silt at large shear strains." E3S Web of Conferences 92 (2019): 08007. http://dx.doi.org/10.1051/e3sconf/20199208007.

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Site response analyses and solution of dynamic soil-structure interaction problems need determination of variation of shear modulus and damping ratio with shear strain. Since many studies in literature concern evaluation of behavior of sands and silty sands, a series of cyclic triaxial tests were performed to determine the variation of shear modulus and damping ratio of a nonplastic silt with shear strain. Stress controlled cyclic triaxial tests on silt specimens of initial relative densities ranging among 30%, 50% and 70% were performed. Tests were carried out on identical samples under different CSR levels, and the confining pressure was selected as 100 kPa. Variation of shear modulus and damping ratio of silts with cyclic stress ratio amplitude, relative density and number of cycles were investigated. It was understood that soil relative density and cyclic stress ratio amplitude has a significant influence on shear modulus and damping ratio of silts. It was also observed that, as the cyclic stress ratio amplitude is increased, greater shear modulus and lower damping ratio values were obtained.

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Usman, Ediar, and I. W. Lugra. "Sediment Distribution related to Gold and Silver Placer Deposits in Offshore of Sambas Besar Estuary, Sambas Regency, West Kalimantan." Indonesian Journal on Geoscience 6, no. 1 (March 28, 2011): 29–42. http://dx.doi.org/10.17014/ijog.6.1.29-42.

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DOI: 10.17014/ijog.v6i1.113Result of grain size analysis of the sea floor sediments from the study area indicates four sediment types, those are silt, sandy silt, silty sand, and sand. The silt unit has the widest distribution that is around 127.2 km2, sandy silt 12.65 km2, sand 1.176 km2, and silty sand 0.44 km2. Result of gold and silver content analysis from some selected samples indicates that the highest gold and silver amount are at PMK-08 location in northern part of the study area with gold content of 0.21 ppm and silver 13.36 ppm; both are silt sediment types. The highest gold and silver content occur within medium - coarse sediments containing subrounded grains of quartz and pyrite, at northern part of the study area. The presence of silver and gold is suggested to be controlled by a north-south longshore current pattern. The source of sediments from Sambas Besar River follows the longshore current, e.g. in northern estuary from south to north, and at southern estuary from north to south direction.

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Dissertations / Theses on the topic "Silt"

1

Okorie, Aaron Onyemaechi Darlington. "Cyclic loading of silt." Thesis, University of Bradford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305257.

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Iravani, Said. "Geotechnical characteristics of Penticton silt." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0007/NQ39544.pdf.

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Pena, Bonifacio I. dela. "Effective and total stress strength interpretation for silts." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10222009-125111/.

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Grennan, John Thomas. "Characterization of a reconstituted low plasticity silt." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60802.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 363-369).
During a major upgrade of the wastewater infrastructure in Skibbereen, Co. Cork, Ireland, there were many challenges during construction. Many of these difficulties were associated with the soft silt ground conditions. Consequently, soil samples were sourced from the location and transported to MIT for the purposes of this research. This thesis investigates the characteristics of the low plasticity silt encountered at Skibbereen to allow an understanding of the soil behavior and help explain some of the difficulties encountered during construction. The research program is divided up into two major components: 1) Index property testing; and 2) Engineering property testing. The index property testing defines the material as a well graded low plasticity silt with very low salt and organic contents. An extensive testing program is undertaken using Constant Rate of Strain (CRS), Hydraulic Conductivity, Ko-Consolidated Direct Simple Shear (CKoDSS), and Isotropic and Ko-consolidated undrained triaxial compression (CIUC and CKoUC) tests to define the engineering properties of the material. The experimental investigation finds that undercompaction is the best reconstitution technique for this material and it is almost impossible to test intact samples. The CRS tests demonstrate that the compression ratio increases with an increase in stress level but the recompression and swelling ratio are not significantly affected. The hydraulic conductivity results fit into the expected range for silt material and they are dependent on stress level. The DSS tests demonstrate that the undrained strength ratio ... increases with an increase in stress level. A similar trend is found for the peak arctan ... values. Overconsolidated tests prove that the SHANSEP framework can be successfully used for this material and the cyclic tests demonstrate that an increase in density through shearing will provide a dramatically higher su/a'v and greater ductility. The triaxial compression tests indicate that ... ill increase with an increase in stress level. In the CIUC tests, ductility and the degree of dilation increase with an increase in stress level. However, the CKOUC tests provide more consistent data at all stress levels and the su/a', friction angle, and modulus is lower than the CIUC counterpart.
by John Thomas Grennan.
S.M.

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Nawid, Aslamy, and Marcus Heinered. "Grundläggning för fritidsbostäder på våt silt mark." Thesis, KTH, Byggteknik och design, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235265.

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Nuförtiden är det allt vanligare att de byggs fritidsbostäder på tomten för att utöka volymen på ett hus,antingen för ett permanent permanent boende eller för tillfälligt boende under olika årstider, även kalladfritidshus. Påföljden är att all sämre mark är tillgänglig medan de goda marken har redan förbrukats tillstor del.. Nackdelen är att byggherrar som inte har kännedom inom branschen drabbas, utan att varamedveten om svårigheterna med att bygga på sämre flytbenägen silt mark, som är vattenskadad.Att bygga fritidshus på sämre silt mark kan ha stora konsekvenser som kan drabba byggherrens ekonomioch i värsta fall hälsa. Huset kan drabbas utav sättningar som kommer i sin tur påverka fasaden ellerhela konstruktionen. Vid hög fukthalt kan den bärande konstruktionen utsättas för mögelangrepp sompåverkar bärförmågan och gör så att livslängden på huset minskar dramatiskt.Det här projektet ger översiktliga svar på frågor som byggherren kan bemötas på, det kommer diskuterasdjupare hur man kan bygga på bästa möjliga sätt för att uppnå bästa resultat. Det som kommer tas upp ärför och nackdelar samt åtgärder som krävs för att undvika sådana problem som har nämnt ovan.Syftet med den här examensarbetet är att beskriva olika grundläggningsmetoder av fritidshus där manhar tagit upp förutsedda konsekvenser som man kan bemötas av under byggtiden. Olikagrundläggningsmetoder kommer jämföras med varandra som tydligt framhävs i resultat.Resultaten i den här projektet kommer redovisas utav fyra grundläggningsmetoder från litteraturstudiensamt intervjuer från Skanska, Züblin samt lärare från KTH. Dessa grundläggningsmetoder framhävsinom fyra olika markförhållanden som vidare ger olika resultat.
In the present, its increasingly common to construct weekend lodges owned land to increase the volumeof the main house, some build to live permanently or to live during certain periods of time in the year asa vacation home. What have happened is that much of the more appropriate land for house building hasalready been used up for construction of homes and infrastructure, while all much of the less usablelands remain. This is a disadvantage for housebuilders who are not familiar with the industry and areunaware of the difficulties that comes with building on float inclined soils that are water rich.Building cottages on poor soil can have major consequences that can affect the housebuildereconomically and trough bodily harm. The house can be affected by subsidence that will in turn affectthe facade or the entire structure. At high moisture content, the supporting structure can be subjected tomold attacks that affect bearing capacity, reducing the life of the house dramatically.This project provides comprehensive answers to questions that the builder can come across, they will bediscussed in detail as to how to build in best possible way to achieving the best results. What will beaddressed is the pros and cons as well as the action required to avoid the problems mentioned above.The purpose of this project is to describe different methods for construction a proper foundation for acottages where all the expected consequences that can occur during the construction period have beenmentioned. Different foundations will be compared with each other, as clearly summarized in theresults.The results of this project will be presented by four foundation methods from the literature study, as wellas interviews from Skanska, Zublin and KTH teacher. These foundations are highlighted in fourdifferent soil conditions, which further produce different results.

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Wilcox, Paul. "Late-Holocene Expansion of the Greenland Ice Sheet as recorded by the Vendue Glacier, Graben Land, East Greenland." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1368013796.

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Wright, Janet S. "Non-glacial origins of loess-sized quartz silt." Thesis, Queen's University Belfast, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333850.

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Twomlow, Stephen John. "Soil loosening and drainage efficiency of silt soils." Thesis, University of Plymouth, 1989. http://hdl.handle.net/10026.1/2738.

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An experiment was set up to investigate the effects of soil loosening on the drainage efficiency of a structurally unstable silty clay loam in Devon. Such soils are common to the Palaeozoic slates of South West England, and in many parts of Wales and Scotland. The dominance of the fine earth fraction these soils by silt sized particles and the associated low clay fractions ( 10-35%) gives rise to weak structures that are unsuitable f or mole drainage. Six drains were laid with permeable fill at a 20 m spacing on a gently sloping site at Seale-Hayne College Farm. A year after installation half the site was loosened to a depth of 0.4 m. The whole site was then cultivated and winter wheat sown. The study concentrated on the modification of the soil physical environment and water transmission routes following loosening operations for autumn re-wetting, the winter period and spring drying. Data collection involved the analysis of drainflow hydrographs and the measurement of soil water physical parameters. Results from an intensive twelve month monitoring period indicate that the modification of subsoil to improve drainage does not necessarily give the results expected . In this study it has been shown that loosening of an unstable silty clay loam did not enhance drainage, in fact the reverse was true which can have dire consequences in terms of trafficability and plant root growth. Loosening lead to an increased porosity which resulted in a greater, albeit temporary, retention of water within the disturbed zone. This means that loosened soils were wetter prior to a rainstorm and remained so for a longer period after rainfall. This response, in turn lead to significant reductions in soil shear strength, which has important implications for successful crop husbandry in the autumn and spring periods when field operations are necessary. Further work is required to assess the temporal persistence of soil loosening on soil physical conditions and crop responses.

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Bradshaw, Aaron S. "Liquefaction potential of non-plastic silts /." View online ; access limited to URI, 2006. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3248224.

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Bardhan, Sougata. "BACTERIAL COMMUNITIES CAPABLE OF ENHANCED EPTC AND ATRAZINE DEGRADATION IN OHIO SILT LOAM AND SILTY CLAY LOAM SOILS." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1276270673.

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Books on the topic "Silt"

1

Ammann, M. Herkunft und Zusammensetzung von Silt in fliessenden Gewässern und Stauseen: Geotechnische Abtragsanalysen im Alpenraum. Bern: In Kommission bei Kümmerly & Frey, 1988.

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Ian, Jefferson, Rosenbaum Mike, and Smalley Ian J, eds. Silt and siltation: Problems and solutions. London: Thomas Telford, 2003.

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Brush, Lucien M., M. Gordon Wolman, and Huang Bing-Wei, eds. Taming the Yellow River: Silt and Floods. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2450-5.

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Sohn, Emily. Pebbles, sand, and silt: The neighbor's garden. Chicago, IL: Norwood House Press, 2011.

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Bilateral Seminar on Problems in the Lower Reaches of the Yellow River, China (1987 Beijing, China?). Taming the Yellow River: Silt and floods. Dordrecht, Netherlands: Kluwer Academic Publishers, 1989.

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editor, Sangari Kumkum, and Volte Gallery, eds. Arc silt dive: The works of Sheba Chhachhi. New Delhi: Tulika Books in association with Volte Gallery, Mumbai, 2016.

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Henry, Karen S. Silt fence testing for Eagle River Flats dredging. [Hanover, N.H.]: U.S. Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.

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United States. Soil Conservation Service. Flood plain management study: Town of Silt, Colorado. Denver, Colo: The Service, 1987.

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McManis, Kenneth L. Identification and stabilization methods for problematic silt soils. [Baton Rouge, La: Louisiana Transportation Research Center, 2002.

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Raunet, Michel. Les facteurs de l'érosion des terres et de l'envasement du lagon. [Mamoudzou]: Direction de l'agriculture de Mayotte, 1992.

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Book chapters on the topic "Silt"

1

Lintern, Gwyn. "Silt." In Encyclopedia of Earth Sciences Series, 1–2. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-12127-7_261-1.

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Lintern, Gwyn. "Silt." In Encyclopedia of Earth Sciences Series, 835–36. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73568-9_261.

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Rodríguez, Luis, and Teodoro Sánchez. "Silt basin." In Designing and Building Mini and Micro Hydro Power Schemes, 85–96. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 2011. http://dx.doi.org/10.3362/9781780440552.006.

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Ullah, Ata. "Silt-Clearance Societies." In The Co-operative Movement in the Punjab, 230–32. London: Routledge, 2024. http://dx.doi.org/10.4324/9781003477105-21.

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"silt." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 1232–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_193631.

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"silt." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 1233. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_193632.

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"Silt." In Dictionary of Geotourism, 567. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2538-0_2253.

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Barnett, Michael. "Silt." In People, not Psychiatry, 58–70. Routledge, 2018. http://dx.doi.org/10.4324/9780429460777-4.

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"Silt." In Encyclopedia of Soil Science, 623. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_520.

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"Silt." In Encyclopedic Dictionary of Archaeology, 1254. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58292-0_190626.

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Conference papers on the topic "Silt"

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Bilici, C., P. Carotenuto, T. Lunne, A. H. Augustesen, L. Krogh, H. Dias, M. C. Sougle, et al. "Offshore Geotechnical Site Characterization of Silty Soils: a Novel Database." In Innovative Geotechnologies for Energy Transition. Society for Underwater Technology, 2023. http://dx.doi.org/10.3723/xegy3943.

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Current practice in the offshore wind industry is to utilise existing CPTU soil behavior charts to identify soil type (e.g., clean sands to silty sands, sand mixtures, clay etc.). The charts identify drained clean sands and undrained clays; however there are limitations detecting silty soils. Accordingly, indication of soil behaviour is needed to define whether the engineering correlations for drained or undrained soils should be used for partial drained silty soils. This paper presents a high-quality database of CPTU and laboratory index data collected as part of a Joint Industry Project on characterisation of silty soils. The database consists of results from 23 sites (21 offshore and two onshore sites) covering a wide range of silts from silty sands to clayey silts and silt mixtures. The database is used to test existing soil behavior charts. The study provides guidelines for industry practice for geotechnical site characterization of silty soils.

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Lim, Hyeontaek, Bin Fan, David G. Andersen, and Michael Kaminsky. "SILT." In the Twenty-Third ACM Symposium. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2043556.2043558.

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Khurana, Sourabh, Varun Goel, and Gurmeet Singh. "Effect of Silt and Jet Diameter on Performance of Turgo Impulse Hydro Turbine." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69527.

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Silt particles flow through hydro turbines cause erosion in turbines and due to silt efficiency of turbine reduces, vibrations produces in hydro turbines components and finally breakdown of hydro turbines take place, which causes immense losses. In the present study experiments were carried out to study the effect of silt size, silt concentration, jet velocity and operating hours on performance of Turgo impulse turbine. Silt was collected from Dehar power house (India). It has been found that erosion strongly depends on silt parameters (silt size, silt concentration) and operating parameters (Jet velocity and operating hours of turbine). A correlation has been developed as a function of jet diameter, silt parameters and operating parameters of percentage efficiency loss in Turgo impulse turbine.

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Varlakov, Andrey P., Sergey V. Karlin, Alexandr S. Barinov, Elena V. Zaharova, and Viatcheslav M. Ermolaev. "Study of the Radioactive Silt Sediment Cementation Techniques." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16138.

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Radioactive silt deposits (RSD) of the spent fuel rod cooling pools were used as an object of these studies. In this paper the following techniques were considered for the silt processing: the cementation of silt without a prior treatment, cementation of the dried silt product, cementation of the calcined silt product, and the impregnation of the calcined silt with high penetrating cement grouts. This paper reports the results of the following studies: the chemical and isotope silt composition, physicochemical silt properties, properties of the cement grouts and solidified compounds, obtained as a result of various silt processing techniques. For every processing technique the following cement compound quality index stated in the Russian standard GOST R 51883-2002 was determined: the mechanical strength, freeze-thaw resistance and leach rate of 137Cs. Effects of variations in the thermal silt treatment mode, in the water/cement ratio, and in the binder material type have been determined. Based upon the results of the studies a comparative assessment of the silt cementation techniques has been performed.

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Khaleghi, Bahador, Malek Baklouti, and Fakhreddin O. Karray. "SILT: Scale-invariant line transform." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423244.

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Mikolas, Milan. "STABILIZATION OF CLAY SILT RETENTION." In SGEM2011 11th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2011/s03.140.

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Zhaohui, Chai, Yang Guolu, and Chen Meng. "Study on Fractal of Silt Floc Pores and the Settling Character of Silt Floc." In 2010 International Conference on Digital Manufacturing and Automation (ICDMA). IEEE, 2010. http://dx.doi.org/10.1109/icdma.2010.371.

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Xu, Guohui, Huixin Liu, Xin Wang, Congcong Wei, and Minsheng Zhang. "Dynamic Triaxial Experimental Study on Wave-Induced Strength Weakening of Subaqueous Yellow River Delta Silty Soil Under Wave Action." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79070.

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Silty soil in the Chengbei region of the Yellow River Delta is prone to geological hazards including landslides, collapses, silt flow, etc. The failure of silty soil is closely correlated with its strength change induced by wave action. In this study, dynamic triaxial experiments were employed to explore the relationship between oscillation times and dynamic shear strength of silty soil in the Subaqueous Yellow River Delta by modeling wave-seabed interactions. This paper studies the change law of dynamic shear strength, cohesion and internal friction angle with the oscillation time. The results indicate that the strength weakening of silty soil follows the rule of power function attenuation. In addition, failure modes, variations in pore pressure together with the microstructures are also discussed in this paper through careful observation of the samples.

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Zhang, Fu-hai, Shuai-jie Guo, and Bao-tian Wang. "Silt soil sediment and consolidation mechanisms." In 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5776554.

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Fang, Yi, and Shuang Li. "Difference in shear-wave velocities of silt and silty clay obtained using various methods." In 2017 2nd International Conference on Machinery, Electronics and Control Simulation (MECS 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/mecs-17.2017.114.

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Reports on the topic "Silt"

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David Pollmiller, David Pollmiller. Maui Silt-Sock Mycoremediation Experiment Program. Experiment, August 2023. http://dx.doi.org/10.18258/54751.

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Lentz, Rodney. The Petrology and Stratigraphy of the Portland Hills Silt. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2452.

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Robichaud, Peter R., and Robert E. Brown. Silt fences: An economical technique for measuring hillslope soil erosion. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2002. http://dx.doi.org/10.2737/rmrs-gtr-94.

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Cain, S. M. Predicting the performance of ceramic filters by the use of silt density index. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/5379129.

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Lawes, John. Geochemistry, Stratigraphy and Provenance of the Portland Hills Silt in the Tualatin Mountains, Portland, Oregon. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.7192.

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Stuedlein, Armin, Ali Dadashiserej, and Amalesh Jana. Models for the Cyclic Resistance of Silts and Evaluation of Cyclic Failure during Subduction Zone Earthquakes. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, April 2023. http://dx.doi.org/10.55461/zkvv5271.

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This report describes several advances in the cyclic failure assessment of silt soils with immediate and practical benefit to the geotechnical earthquake engineering profession. First, a database of cyclic loading test data is assembled, evaluated, and used to assess trends in the curvature of the CRR-N (cyclic resistance ratio - the number of equivalent cycles) relationship. This effort culminated in a plasticity index-dependent function which can be used to estimate the exponent b in the power law describing cyclic resistance, and may be used to estimate the cyclic resistance of silt soils as well as the number of equivalent loading cycles anticipated for subduction zone earthquakes. Statistical models for the cyclic resistance ratio and cyclic strength ratio are presented in this report. The SHANSEP (Stress History and Normalized Soil Engineering Properties)-inspired functional form of these models have been trained and tested against independent datasets and finalized using a combined dataset to provide reasonable estimates of resistance based on the available data. These models can be used to provide provisional estimates of the CRR-N and cyclic strength ratio power laws for cyclic shear strain failure criteria ranging from 1 to 10%, within certain stated limitations. The ground motion records within the NGA Subduction Project which have been released to the public to-date are implemented to examine the role of subduction zone earthquake characteristics on the number of equivalent loading cycles for a wide range of soils with exponents b ranging from 0.05 (moderate plasticity silt and clay) to 0.35 (dense sand). This analysis shows that the number of loading cycles for a given magnitude subduction zone earthquake is larger than those previously computed, whereas the corresponding magnitude scaling factors for use with the Simplified Method span a smaller range as a result of the ground motion characteristics. Owing to the large variability in the computed equivalent number of loading cycles, consideration of the uncertainty is emphasized in forward analyses. The work described herein may be used to estimate cyclic resistance of intact non-plastic and plastic silt soils and corresponding factor of safety against cyclic failure for a range in cyclic shear strain failure criteria, to plan cyclic laboratory testing programs, and to calibrate models for use in site response and nonlinear deformation analyses in the absence of site-specific cyclic test data. As with any empirical approach, the models presented herein should be revised when additional, high-quality cyclic testing data become available.

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Plouffe, A., and S. B. Ballantyne. Regional till geochemistry, Manson River and Fort Fraser area, British Columbia [93K, 93N], silt plus clay and clay size fractions. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/184048.

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Haywood, James D. Responses of Young Slash Pine on Poorly Drained to Somewhat Poorly Drained Silt Loam Soils to Site Preparation and Fertilization Treatments. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station, 1995. http://dx.doi.org/10.2737/so-rn-379.

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Carroll, J. I. Lithogeochemistry of Ordovician sedimentary rocks associated with Ni-Co stream-silt anomalies along Ritchie Brook, Kedgwick map area, northern New Brunswick. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213240.

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McCarley, Justin. Using Repeat Terrestrial Laser Scanning and Photogrammetry to Monitor Reactivation of the Silt Creek Landslide in the Western Cascade Mountains, Linn County, Oregon. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6230.

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