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Interlaboratory study on drainage capacity of geosynthetics
The drainage capacity of geosynthetics can be evalueted by different kind of transmissivity apparatuses. These devices can be grouped into two categories which are based on the drainage pattern of water flow within the geosynthetic itself, that is radial or parallel. The paper presents the results of an interlaboratry ressearch concerning the drainage capacity of geosynthetics, in view of their use in drainage systems. Different types of geosynthetics (i.e. geotextiles, geocomposites and geonets) were submitted to radial and unidirectional flow conditions in order to evaluate short-term and long-term flow capacity behaviour, by using different devices. Preliminary results on compressive creep are also presented. It can be summarized, that for the tested geotextiles the transmissivity values under different static pressures and different hydraulic gradients, obtained with radial flow apparatus, are comparable with values determined with the unidirectional one.
Interlaboratory study on drainage capacity of geosynthetics
The drainage capacity of geosynthetics can be evalueted by different kind of transmissivity apparatuses. These devices can be grouped into two categories which are based on the drainage pattern of water flow within the geosynthetic itself, that is radial or parallel. The paper presents the results of an interlaboratry ressearch concerning the drainage capacity of geosynthetics, in view of their use in drainage systems. Different types of geosynthetics (i.e. geotextiles, geocomposites and geonets) were submitted to radial and unidirectional flow conditions in order to evaluate short-term and long-term flow capacity behaviour, by using different devices. Preliminary results on compressive creep are also presented. It can be summarized, that for the tested geotextiles the transmissivity values under different static pressures and different hydraulic gradients, obtained with radial flow apparatus, are comparable with values determined with the unidirectional one.
Interlaboratory study on drainage capacity of geosynthetics
Laborstudie zur Drainage-Kapazität von Geosynthetics
Avanzini, M. (author) / Cazzuffi, D. (author) / Rimoldi, P. (author)
1994
6 Seiten, 9 Bilder, 1 Tabelle, 5 Quellen
Conference paper
English
Interlaboratory Study on Drainage Capacity of Geosynthetics
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