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Model ISO 13426-1 -Geotextile Geocells Splitting Test, Tensile Shear Test
Geocell is a geotextile-related product consisting of individual strips that are connected to each other in several possible ways (extrusion, thermal bonding, gluing, hot melting, stitching, etc.), from which adjacent compartment sheets are formed. Usually the intersection of two cells occurs on a line or at a specific point, rather than being evenly distributed over the entire surface. These lines or points are called nodes.
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Nodes in geocells can be broken in four different ways:
- Damage caused by shear forces parallel to the node itself: Geocells tensile shear test.
- Failure caused by peeling or layering forces perpendicular to the node, causing the cell to separate at the edge of one end at the node; Geocells peeling test.
- Damage caused by separation force perpendicular to the node: two adjacent compartments at the node are separated from each other; Geocells splitting test.
- Failure caused by local overload force at the node caused by local fixation: compression, shear or peeling failure occurs in the cell. Geocells Local overstressing Test.
ISO 13426-1:2019
Geotextiles and geotextile-related products — Strength of internal structural junctions — Part 1: Geocells