منابع مشابه
Constriction Size of Geotextile Filters
Filtration performance of nonwoven geotextiles strongly depends on pore opening constriction size, i.e., the minimum opening size of flow channels across the geotextile. Currently available methods of pore opening characterizations do not provide accurate information about the constriction size. This paper presents the constriction size distributions of eleven nonwoven geotextiles commonly used...
متن کاملComparison of Fine Particle Clogging in Soil and Geotextile Filters
This paper addresses the differences in the extent of clogging associated with fine particle transport in soils and geotextiles. A common experimental set-up was designed for soil and geotextile filtration. Tests were conducted using a nonwoven, needle-punched geotextile filter sample permeated with fine particle suspensions under constant flow rate. The results were compared with those from si...
متن کاملEstimation of Glomerular Filteration Rate (GFR)
I. Clearance Methods:The concept of renal clearance was introduced as a way of expressing the relation between the excretion per unit time and the concentration in the plasma which is obviously an index of kidneys ability to clear the blood of any substance (1). Measurements of GFR are traditionally based on the renal clearance of a marker in plasma, expressed as the volume of plasma completely...
متن کاملField Performance of Geotextile Reinforced Sludge Caps
Geosynthetic reinforced capping of highwater content waste materials is becoming an efficient and economic way of dealing with the confinement of the contaminants. To define the filtration performance of sludge-geotextile systems and investigate their durability, ten sludge lagoon test cells were constructed using of a lightweight fill, i.e. a wood chip/soil mixture over different geotextiles. ...
متن کاملexperimental study of geotextile's drainage and filteration propertis under different hydraulic gradients and confining pressures
geotextiles are one of the most widely used synthetic materials in filtration and drainage applications. since in real applications, geotextiles are subjected to various hydraulic gradients and confining stresses, hydraulic behavior of geotextiles under different circumstances is of great practical importance. in this study filtration and drainage properties of several nonwoven needle-punched g...
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ژورنال
عنوان ژورنال: Proceedings of geotextile symposium
سال: 1993
ISSN: 0913-7882
DOI: 10.5030/jcigsjournal1986.8.49