| 摘要 |
Screen which comprises: a wall-type core, with trapezoidal transverse section and decreasing in thickness as it rises, two first resistant and planar structures opposite faces of the core formed by parallel bundles of thread-type elements, and anchored at the bottom; two sets of second, resistant and planar structures formed by parallel bundles of wire-type elements; the assemblies are arranged transversely to the first structures and each member of each assembly has a lower section which penetrates the core; a filter-fabric- type material, of the geotextile type; a material for form work (shuttering); and a topsoil filler which extends from the core to the outer edge of the end upper section. <IMAGE>
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