durability of fiberglass composite sheet piles in water
Behavior of Pipe Piles in Sand : Plugging and Pore-Water Pressure Generation During Installation and Loading pptx
... Friction From In- strumented Piles. Journal of Geotechnical Engineering, 19–35 (1993) M. Iskander: Behavior of Pipe Piles in Sand, SSGG, pp. 7–23. springerlink.com © Springer-Verlag Berlin Heidelberg ... Review of Design Guidelines for Piles in Sand Abstract. This chapter examines the current API RP-2A design guidelines for piles in sand in the light of available load test data. The main weaknesses ... Effects on the Capacity of Piles in Sand Lehane, B.M., Jardine, R.J.: Shaft Capacity of Driven Piles in Sand: A New Design Ap-proach. In: Proc. 7th Int. Conf. on The Behavior of Offshore Structures,...
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Statnamic testing of piles in clay 1
... time of obtaining Fo in a dynamic test [kN] Fs Static pile resistance in The Unloading Point Method [kN] Fsoil Total pile load in the Unloading Point Method [kN] FSTN Applied load in ... 1 Introduction 2Additionally, since pore water pressures and soil inertial behaviour around a pile during pile testing provide useful insights into the pile/soil interaction, further investigation ... ultimate capacity. In these cases, intervals of 12.5% the working load or less may be chosen. However, the testing time will increase when using smaller load increments. In most cases the ultimate...
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Statnamic testing of piles in clay 2
... pile loading; ii) during the pile loading; iii) after the pile unloading. The initial locations of transducers in the clay beds are reported in Figures 4.1 to 4.5 and final locations in Figures ... 6.115). 6.8.2 Pore water pressures during maintained pile load tests The excess pore water pressures measured during a maintained pile load test are shown in Figure 6.116. In contrast to the ... In this study it was found that softening effects were only exhibited in constant rate of penetration tests with the rates varying from 0.01mm/s to 100mm/s. The results of tests in which softening...
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Long-term trends in water quality in an under-populated watershed and influence of precipitation
... flowing into Lake Shinji and the population in the watershed had been decreasing. The purposes of this study were to analyze the long-term trends in the water quality of an under-populated watershed ... two-thirds of the land in Japan), delayed thinning of conifer plantations (covering approximately 40% of all forests) due to depopulation and aging of the local population is recognized as one of the ... watershed with delayed thinning and a reference watershed (Takeda and Kageyama, 2001; Takeda, 2002). Specifically, runoff loads of T–N, T–P, COD, and SS in the watershed with delayed thinning...
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Spatial Variation of Metal Concentrations in Watercourses of an Urban River Basin in Southeastern Brazil
... plotted in the basin map according to incremental areas of influence of the monitoring stations. Delineation of the areas of influence of monitoring stations Delineation of the area of influence ... exposure-point contamination of the areas of concern, determine the achievement of cleanup standards, and finally estimate the natural background level for contaminant concentrations (Singh Journal of ... the inclusion of the worst water- quality conditions and to minimize the influence of censored data. UPL95 should approximately provide the 95% probability interval of future values of a set of...
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Evaluation of sterilization possibility in water environment of activated nano mno2 coated on calcined laterite
... a 2.2.2.3 Investigation of sterilizing capability of nano MnO2 adsorbents The routine monitoring of the bacteriological quality of drinking water relies on the use of the indicator organisms ... on calcined laterite in water 3.3.1 Investigation the influence of Mn2+ in sterilizing capability The experiment was performed to analysis the influence of Mn2+ on water sterilizing capability ... height of BRM column and the flow rate of water strongly influence the sterilizing ability. The sterilizing ability of column increases along with the increase of the BRM layer height. In contrast,...
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Tài liệu Environmental impacts of petroleum production: Fate of inorganic and organic chemicals in produced water from the Osage-Skiatook Petroleum Environmental Research sites, Osage County, Oklahoma doc
... respectively. The impacts include salt scarring, soil salinization and oil contamination, and brine and petroleum contamination of ground water and surface water, including Skiatook Lake, a 4,250-hectare ... exemption from regulations) accounts for about 30% of total produced water. The remaining water is discharged into surface waters, including coastal waterways, bayous, estuaries, streams, lakes ... contamination of soil and surface water, and plumes of saline water that affect groundwater supplies. Accidental releases of produced water and petroleum and the improper disposal of produced water...
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Tài liệu Báo cáo khoa học: Purification and characterization of glutamate N-acetyltransferase involved in citrulline accumulation in wild watermelon doc
... cit-rulline and arginine.ResultsThe enzyme involved in catalysis of the fifth step of citrulline biosynthesis in wild watermelonleavesDuring citrulline biosynthesis, N-acetylornithine is con-verted ... stress in the leaves of wild watermelon [6]. Although arginine is the finalproduct of the arginine biosynthetic pathway, wildwatermelon plants accumulate larger quantities of citrulline, an intermediate ... weakly inhibitedby arginine [16,17]. As a result, the concentration of cit-rulline and arginine is kept low through these feedbackinhibitions in the microorganisms examined so far.How wild watermelon...
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Báo cáo khoa học: Selectivity of pyruvate kinase for Na+ and K+ in water/dimethylsulfoxide mixtures docx
... was initiatedby introducing pyruvate kinase.Fluorescence experimentsFluorescence emission spectra of pyruvate kinase in 100% water and in various water/ dimethylsulfoxide mixtures weredetermined ... andinactive conformations of pyruvate kinase [17,29,43]. Thespectral center of mass of pyruvate kinase and pyruvatekinase in complex with Mg2+and phosphoenolpyruvate in the presence of Na+,K+,or(CH3)4N+were ... differences in ionic radii of K+and Na+undoubtedly contribute to the selectivity of monovalentand divalent cation binding sites in pyruvate kinase. Asto the energetics of binding, we have...
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314 CMR 9.00: 401 WATER QUALITY CERTIFICATION FOR DISCHARGE OF DREDGED OR FILL MATERIAL, DREDGING, AND DREDGED MATERIAL DISPOSAL IN WATERS OF THE UNITED STATES WITHIN THE COMMONWEALTH potx
... DIVISION OF WATER POLLUTION CONTROL9.02: continuedDischarge of Dredged or Fill Material. Any addition of dredged or fill material into, includingany redeposit of dredged material within, waters of ... surroundingenvironment.Confined Disposal Facility (CDF). A facility created in open water or wetlands consisting of confinement walls or berms built up against or extending into existing land.Corps of Engineers. ... matter, including detritus, situated under tidal waters belowthe mean high water line as defined in 310 CMR 10.23; and for inland waters below the upperboundary of a bank, as defined in 310...
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The Role of Tradable Permits in Water Pollution Control doc
... US including the Tar-Pamlico Basin in NorthCarolina (case of point-point source trading also allowing for point-non-point trade), the case of Lake Dillon and the case of the Cherry Creek Basin ... 48-58.MDBC-MURRAY DARLING BASIN COMMISSION (2001). Water Trading: Managing the Water Resources of the Murray-Darling Basin, Available online: www.mdbc.gov.au(7.6.01).MDBC-MURRAY DARLING BASIN MINISTERIAL ... out of developing theoption of the trading programme is considered by a number of stakeholders as the reasonwhy Lake Dillon has succeeded in maintaining high water quality. When point-non-pointsource...
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Chemical of alumina reactions in aqueous solution and its application in water treatment
... significance of alumina in the natural aquatic environment and its increasing application in drinkingand wastewater purification, the knowledge of the structure of alumina and its possible interactions ... (geochemical)and an industrial point of view.Most solid phases in natural water contain aluminiumoxides. Alumina plays an important role in regulatingthe composition of soil water, sediment water, andother ... and its growing application in drinking and wastewater purification, the knowledge of alumina’s structure and possible interactions in water are of great importance. The properties of metal oxidesurfaces...
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Consequences of Decentralization: Environmental Impact Assessment and Water Pollution Control in Indonesia ppt
... they do accountfor a substantial amount of all pollution in industrialized parts of Indonesia,so an investment in bringing these home industries in line would be mostfruitful from an environmental ... disputes between different levels of government. Monitoring and sanc-tioning of industrial water pollution have mainly continued within the scheme of the provincial program started under Soeharto’s ... number of industries that invested in pollution abatementequipment consistently increased. That many of them also used this equip-ment28is witnessed by the increasing number of industries in...
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Analysis of socio-economic factors affecting technical efficiency of small-holder coffee farming in the Krong Ana Watershed, Dak Lak Province, Vietnam
... and Lak, in Dak Lak province, Vietnam, which lies in the Krong Ana watershed. Coffee is the major agricultural crop and plays a crucial role in the well-being of people in the province. In 2009, ... study examining technical efficiency of organic and conventional coffee farming in Kona, Hawaii (Masuda, et al. 2010), shows that reducing chemical inputs in conventional Kona coffee farming can ... an influence in the global coffee market. 1.2 Problem statement For developing countries, including Vietnam, the strategy for pursuing economic growth involves the prospect of sacrificing...
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- a diminished quality of life and an increase in healthcare costs
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- durability of sheet piles
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