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A method for producing a three-dimensional geogrid by folding of a two-dimensional, latticed flat structure, as well as produced according to said three-dimensional grid
A method for producing a three-dimensional geogrid by folding of a two-dimensional, latticed flat structure, as well as produced according to said three-dimensional grid
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机译：一种通过折叠二维格子平面结构来制造三维土工格栅的方法，以及根据所述三维格栅来生产的方法
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摘要
The two-dimensional lattice work is formed by folding a first (1) and a second (2) system of struts, which are connected to each other in their crossing points (3). Further folding is carried out at an angle of between 10 deg and 80 deg relative to the struts in the first two system, in diagonally opposite crossing points (5,7,6,8), and in a zig-zag shape. The struts are positioned so that al crossing points located on the corners of squares. The struts mainly consist of metal or plastic wires, or a combination thereof. Folding is carried out by a pair of grooved rollers (6). The lattice work is for use as a core, connected to non-woven fabric, in a drainage element.
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