Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1989-07-31
1990-10-02
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
405258, 405284, E02D 2902
Patent
active
049603493
ABSTRACT:
Woven geotextile grid for earth reinforcement applications. The grid is formed of woven fabric which is coated with a suitalbe polyvinylchloride or other plastic coating. The fabric is formed of a plurality of spaced-apart pick yarn bundles which are interwoven with a plurality of spaced-apart warp yarn bundles. The pick yarn bundles are held in place in the warp yarn bundles with locking yarns which run parallel to the pick yarns and which are positioned adjacent to the edges of the pick yarn bundles. The warp yarns extend between the pick yarn bundles and locking yarns to lock the pick yarn bundles into place. A plurality of pairs of leno yarns oriented parallel to the warp yarns additionally strenghten the fabric by interlocking with one another in the spaces between pick yarn bundles and locking yarns. The result is a grid which has wide lateral and longitudinal members that lock together to form large interstices through which soil and water may penetrate. Strength of the grid may be adjusted laterally or longitudinally by varying (1) the number, size and composition of pick yarns and warp yarms; (2) the spacing between pick yarn bundles and warp yarn bundles and (3) the number, position and composition of the leno yarns. Coatings may be independently formulated to suit particular applications without detracting from strength properties of the grid.
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Article from Civil Engineering, ASCE, pp. 51-57, Jan. 1979.
Brochure entitled "Tensar.RTM. Soil Reinforcement Geogrid SR2".
Brochure entitled "Tensar.RTM.--Guidelines for the Design & Construction of Reinforced Soil Retaining Walls Using `Tensar` Geogrids."
Harp Russell P.
Hawkins John W.
Wilkinson David M.
Willibey Gary L.
Georgia Duck and Cordage Mill
Nicolon Corporation
Taylor Dennis L.
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