Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Directional drainage two-cloth one-film anti-seepage drainage structure
The invention discloses a directional drainage two-cloth one-film anti-seepage drainage structure which is formed by two layers of geotechnical cloths and a layer of ridge plastic film clamped between the two layers of geotechnical cloths. The geotechnical cloths are filament non-woven fabrics, the ridge plastic film is formed by a plastic film and parallel and protruded ridges on the film surface; and the ridges and the plastic film are formed in one time. The plastic film is formed by processing high density polyethylene or polyvinyl chloride, the thickness of the plastic film is 0.3-2.0 mm, and one side or two sides of the plastic film are provided with the parallel and protruded ridges. The section of the ridges is trapezoidal or semicircular, the intervals between the ridges are 20-100 mm, and the heights of the ridges are 0.5-2.0 mm. The directional drainage two-cloth one-film anti-seepage drainage structure is arranged on the surface of a subgrade or a subgrade body, the direction of the ridges is perpendicular to the direction of the subgrade; after permeating into the ridge plastic film, rainwater flows downwards along the cross slope of the subgrade along the film surface and flows outside an anti-seepage area in the direction of the ridges, the water flowing area is reduced, the flow velocity is accelerated, infiltration water is drained as soon as possible, and the directional drainage two-cloth one-film anti-seepage drainage structure has wide application prospect in anti-seepage drainage engineering such as the railway subgrade.
Directional drainage two-cloth one-film anti-seepage drainage structure
The invention discloses a directional drainage two-cloth one-film anti-seepage drainage structure which is formed by two layers of geotechnical cloths and a layer of ridge plastic film clamped between the two layers of geotechnical cloths. The geotechnical cloths are filament non-woven fabrics, the ridge plastic film is formed by a plastic film and parallel and protruded ridges on the film surface; and the ridges and the plastic film are formed in one time. The plastic film is formed by processing high density polyethylene or polyvinyl chloride, the thickness of the plastic film is 0.3-2.0 mm, and one side or two sides of the plastic film are provided with the parallel and protruded ridges. The section of the ridges is trapezoidal or semicircular, the intervals between the ridges are 20-100 mm, and the heights of the ridges are 0.5-2.0 mm. The directional drainage two-cloth one-film anti-seepage drainage structure is arranged on the surface of a subgrade or a subgrade body, the direction of the ridges is perpendicular to the direction of the subgrade; after permeating into the ridge plastic film, rainwater flows downwards along the cross slope of the subgrade along the film surface and flows outside an anti-seepage area in the direction of the ridges, the water flowing area is reduced, the flow velocity is accelerated, infiltration water is drained as soon as possible, and the directional drainage two-cloth one-film anti-seepage drainage structure has wide application prospect in anti-seepage drainage engineering such as the railway subgrade.
Directional drainage two-cloth one-film anti-seepage drainage structure
LENG JINGYAN (Autor:in) / ZHANG RONGKEN (Autor:in) / ZHANG LIGUO (Autor:in) / CHEN ZELIAN (Autor:in) / YU LEI (Autor:in)
26.08.2015
Patent
Elektronische Ressource
Englisch
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