EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 12956 testing. This standard specifies a method for determining the characteristic size of apertures in a single layer of a geotextile or geotextile-related product using the wet sieving principle.
The particle size distribution of a graded granular material (usually soil) is determined after unloaded washing of a single layer of the geotextile or geotextile-related product used as a screen. The characteristic aperture size corresponds to a certain size of the granular material being passed.
The sample should be kept as sparse as possible and should not be folded in order not to disturb its structure. Keep the sample in a flat position without any load. Calculate the dry mass of the retained granular material by weighing the sample containing the retained granular material and subtracting the dry mass of the sample. Determine the dry mass of the retained granular material with an accuracy of 0,1 g. Also determine the dry mass of the passed granular material. If the combined mass of the retained and passed particulate material deviates by more than 1% from the initial total dry mass, the test is invalid and must be repeated.
EUROLAB assists manufacturers with EN ISO 12956 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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