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806147 - ČSN EN 12225 - Geosyntetika - Zjišťování odolnosti proti mikroorganismům pomocí zkoušky zahrabáním do zeminy | ||
| Název : 806147 - ČSN EN 12225 - Geosyntetika - Zjišťování odolnosti proti mikroorganismům pomocí zkoušky zahrabáním do zeminy
Označení normy : ČSN EN 12225 Katalogové číslo : 511922 Třídící znak : 806147 Účinnost : 2021-06-01 Věstník : 2021.05 Strany : 12 Převzata :vyhlášením ve Věstníku - v angličtině | ||
| Cena : | 204.00 Kč (DPH= 0%), s DPH= 204.00 Kč | |
| ANOTACE "ČSN EN 12225 This document specifies a method for the determination of the microbiological resistance of geosynthetics including those of natural fibres and biodegradable polymers by a soil burial test. NOTE - Experience and exhumation of geosynthetics which had performed successfully, in some cases for more than two decades, indicate that geosynthetics made out of synthetic materials are generally resistant against microbial initiated decay. It can therefore be expected that most of these products commercially available at the present time will pass the soil burial test successfully and it is probably not necessary to submit them all to this test independent of their function. However, if the requirements for appropriate functioning of the geosynthetics demand proof of microbiological resistance or if they are manufactured from newly developed polymers whose resistance is in any doubt, the soil burial test can provide additional information." | ||