摘要:
A device for preventing a culvert against being frontally hit by a vehicle arriving from the raised roadway, having a trapezoidal approach slab (1) of a material capable of bearing the weight of a vehicle, one trapezoid side of which can be supported on the roadway slope, with its longer trapezoid base (1'') on the front of the culvert at the height of the roadway or the like and with its shorter base (1') on the culvert base and with its other trapezoid side on the culvert slope opposite the roadway and/or on a surface bordering the culvert and lying lower down than the level of the roadway, in which the approach slab has a water inlet (4) covered by a grid (5) in the region of the smaller trapezoid base.
摘要:
L'invention concerne une construction tubulaire constituée de tronçons mis bout à bout et reposant sur une surface de pose (61) aplanie et tassée. Chaque tronçon est formé d'éléments de parois juxtaposés et comportant , deux éléments de côté (2,2′) à paroi latérale incurvée vers l'intérieur et prenant appui chacun sur la surface de pose (61) par l'intermédiaire d'un organe de stabilisation à fond plan permettant à l'élément de côté de se tenir droit sans échafaudage, caractérisé par le fait que chaque élément de côté (2,2′) est muni à sa base d'une semelle élargie (7) comprenant deux ailes (71, 72) s'étendant horizontalement en console de part et d'autre de la paroi latérale (20) de l'élément (2,2′) , cette dernière comprenant une partie inférieure (26) sensiblement verticale, perpendiculaire à ladite semelle (7) et prolongée vers le haut par une partie supérieure (21) incurvée vers l'intérieur. La présente invention s'applique à des conduits de très grande section transversale utilisables pour la construction de passages souterrains à différents usages .
摘要:
The aim of the invention is to allow a simultaneously stable and variable design of a drainage structure consisting of a drainage body (11) and a cover (20). This is achieved in that the drainage body (11) and the cover (20) continuously have engagement devices (13, 13'; 14, 14'; 23, 23') when seen in a longitudinal direction of the drainage body (11), whereby the cover connects upper edges (12, 12') of the drainage body (11) to one another transversely to the longitudinal direction in a tension-resistant manner over the entire length of the drainage body. In order to allow the use of different covers (20) for different loads for example while using the same drainage body (11), two types of engagement devices (13, 13'; 14, 14') are provided on the drainage body.
摘要:
A method of providing an environmentally appealing region for water flow along an surrounded pathway tunnel involves providing a plurality of four-sided concrete bridge units in abutting relationship to create a surrounded pathway tunnel, one end of the tunnel located upstream along a water path and an opposite end of the tunnel located downstream along the water path; allowing water to flow through the surrounded pathway tunnel during a rain or other flow event; and providing a multiplicity of the four-sided bridge units with a corresponding bottom wall structure that interacts with the flowing water and earthen material in the flowing water such that capture and settling of the earthen material at locations along the tunnel occurs to produce a more natural water flow pathway along the tunnel.
摘要:
Modules for use in an assembly for managing the flow of water beneath a ground surface and assemblies of such modules are disclosed. The modules include supports and a deck portion and the supports are spaced apart and form channels with a main section of the deck portion. The deck portion also includes at least one section extending from a main section.
摘要:
The invention relates to a method of manually restoring an inner surface (10) of a corrugated steel tube (1) forming part of a system for guiding water in association with an infrastructure, such under as roads, bridges and railroads.The method includes the steps of cleaning, finishing, repairing and coating. The inner surface (10) of the corrugated tube (1)is cleaned from remaining water and sediments, whereafter the inner surface (10)is finished to remove surface roughness created by ferrous corrosion(6). The occurring cavities, created by the ferrous corrosion, on the inner surface is repaired with a filler material and/or steel sheets and/or wire netting, whereafter the inner surface (10) is covered with a coating to create long time corrosion protection and restore the structural integrity.
摘要:
The invention concerns a tubular structure comprising, in cross-section transverse to its axis (O), at least three prefabricated elements, respectively two side wall elements (32, 32') resting on the setting surface and at least one upper element (31) with a curved profile resting, along two longitudinal joints (36), on the upper edges of the two side wall elements (32, 32') and tangentially connected thereto to form a continuous vault for transmitting loads on the bases (33) of said side walls (32, 32'). The invention is characterised in that at least some of the side wall elements (32, 32') are shaped so as to possess sufficient rigidity for carrying the applied loads without lateral support on an embankment covering the structure.
摘要:
L'invention a pour objet un conduit enterré constitué d'une série de tronçons placés les uns à la suite des autres, et comprenant chacun une partie inférieure reposant sur une surface de pose (A) et une partie supérieure constituée d'au moins un élément (2) formant voûte et reposant sur la partie inférieure par l'intermédiaire d'organes d'appui longitudinaux (7) (7') parallèles à l'axe longitudinal (O), Selon l'invention, la partie inférieure de chaque tronçon du conduit (1) est constituée de deux éléments d'appui (30) préfabriqués, formant chacun une semelle isolée (32), lesdits éléments d'appui (30) étant placés les uns à la suite des autres de façon à former deux organes d'appui longitudinaux (7, 7') sur lesquels viennent reposer les bords inférieurs latéraux (71) des éléments supérieurs (2). L'invention s'applique spécialement à la réalisation de conduits enterrés de grande section.