EP2592194B1 - Unité de rigole et unité de transport formée à partir d'unités de rigole de ce type - Google Patents

Unité de rigole et unité de transport formée à partir d'unités de rigole de ce type Download PDF

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Publication number
EP2592194B1
EP2592194B1 EP12192007.8A EP12192007A EP2592194B1 EP 2592194 B1 EP2592194 B1 EP 2592194B1 EP 12192007 A EP12192007 A EP 12192007A EP 2592194 B1 EP2592194 B1 EP 2592194B1
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EP
European Patent Office
Prior art keywords
trench
columns
base
column
base wall
Prior art date
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EP12192007.8A
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German (de)
English (en)
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EP2592194A1 (fr
Inventor
Dietmar Adams
Michael Schütz
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Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
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Fraenkische Rohrwerke Gebr Kirchner GmbH and Co KG
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Publication of EP2592194A1 publication Critical patent/EP2592194A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E03F3/046—Open sewage channels
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • E03F1/005—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via box-shaped elements

Definitions

  • the invention relates generally to the field of wastewater technology, and more particularly to a trench unit according to the preamble of claim 1.
  • trenches composed of a plurality of trench units are increasingly being used, particularly in larger towns and cities. These rigs form an underground water basin, which is connected on the inlet side with at least one gully.
  • the inlet can also be formed by a downpipe, which initiates the rainwater collected on roofs in the trench.
  • the collected on the sealed surface rainwater is the trigole optionally supplied by an upstream feed system, which may include a pre-purification of the wastewater.
  • the bottom surface of the trench may be liquid-permeable, so that the rainwater supplied to it can seep into the soil below it.
  • the trench assembly can be connected to the sewage system in order to be able to prevent backflow to the surface when the accumulated rainwater quantity exceeds the absorption capacity of the soil and the trench arrangement.
  • the Applicant discloses a rectangular trench unit composed of two identical trench subunits, which is eminently suitable for forming such triggers.
  • An advantage of this trench unit is that the volume of the trench unit usable for water storage is very close to the total volume of the trench unit. Since the from the EP 1 260 640 A1 However, this advantage at the same time also represents a disadvantage, since the load carrying capacity is transported to the construction site in the finished assembled state the used for transport trucks (Jumbo-class trucks with a load carrying capacity of 14 t) despite full utilization of the load volume can be used only to a small extent. Thus, in particular for larger construction projects, a large number of loads is required in order to transport the required number of trench units to the construction site. This of course is reflected in the price of the delivered rigging units.
  • the side walls are supported on the side of the pillars of the trench sub-units.
  • the columns of a plurality of trench sub-units can be plugged into each other for transport, so that the overall result is a very compact transport arrangement, which effectively utilizes the load carrying capacity of the truck with fully loaded load volume.
  • the columns are designed and / or the wall thickness and the degree of taper or taper angle of the columns are dimensioned such that in the stacked state of two identically oriented and identically designed Rigolenunterritten the Base walls of the two trench sub-units have a distance from each other which is smaller than the thickness of the base wall, preferably smaller than half the thickness of the base wall, wherein it is even more preferable if the base walls of the two trench sub-units abut each other.
  • the distance between the base walls is understood to be the distance between the upper surface of the base wall of the lower stanchion subunit in the stacking direction and the lower surface of the base wall of the upper stanchion subunit in the stacking direction.
  • the thickness of the base wall refers to the distance between the upper surface and the lower surface of the base wall of the same trench sub-unit.
  • the spaces between adjacent Columns are free of these connecting elements, in particular are free of connecting walls.
  • the invention proposes that lateral stiffening ribs which support at least one column, preferably a plurality of columns, more preferably all columns, at its base end against tilting, only within the height run the base wall.
  • marginal and rectangular columns have a predetermined distance from the edge of the base wall.
  • this predetermined distance which may be for example between about 1 cm and about 5 cm, is also in the edge region of the base wall sufficient space available to order the stiffening ribs distributed even at marginal and eck receivingn columns over the entire circumference.
  • the interior of the plurality of pillars be reinforced at most in a height region adjacent to the tip end whose height corresponds to the thickness of the base wall.
  • reinforcing struts having.
  • At least one pillar comprises two cones arranged one inside the other, the directions of their tapering being opposite to one another, the largest diameter of the inner pillar being opposite to each other Kegels is at most as large as the smallest diameter of the outer cone.
  • the two nested cones, where the inner cone has the largest diameter and the outer cone has the smallest diameter are connected to each other, preferably integrally connected to each other, for example, by a parallel to the base wall extending annular wall or a A plurality of webs running parallel to the base wall.
  • the columns have a substantially constant wall thickness over their entire height. Such columns can be constructed in a particularly simple manner.
  • the wall thickness of the columns varies from its base end towards its tip end, preferably increases from its base end to its tip end.
  • the resistance of a column to forces acting on it in a vertical direction for a given column material depends on the cross-sectional area of the column at that height position where the column has the lowest cross-sectional area. For a conically tapered column, this is the tip end of the column. Therefore, the wall thickness of the column may be varied, for example decreasing from its tip end to its base end, such that the cross-sectional area at no height position of the column is smaller than the cross-sectional area at the tip end of the column.
  • At least one reinforcing rib on the outer surface and / or the inner surface of at least one column, wherein the radial height of the at least one reinforcing rib can advantageously vary from the base end to the tip end of the column, preferably increasing from the base end towards the tip end can.
  • the at least one reinforcing rib can extend only over part of the height of the column.
  • the base wall is at least partially, preferably substantially completely, formed as a lattice structure.
  • the lattice structure forming the lattice structure preferably more than 50% of these lattice webs, more preferably all of these lattice webs, be formed strip-shaped.
  • the feature defining the strip shape is considered to be its length and width are greater than their thickness, wherein the thickness is preferably less than one third, more preferably less than one fifth, the smaller of the two dimensions length and width.
  • the base wall has a substantially square base.
  • the base surface of the base wall can also have a different shape, for example a rectangular shape, in particular a rectangular shape with a surface composed of two square partial surfaces. But it is also a triangular shape, a trapezoidal shape or a honeycomb shape conceivable, just to name a few more examples.
  • the edge length of the base wall in the longitudinal direction or / and in the width direction is less than 90 cm, preferably 80 cm ⁇ 1 cm.
  • the height of the trench sub-unit be substantially 33 cm or substantially 22 cm or substantially 16.5 cm.
  • substantially are meant tolerances in the order of ⁇ 1.0 cm, preferably ⁇ 0.5 cm.
  • the composite of two such Rigolenunterritten Trench unit the same height as the conventional trench unit.
  • two rigging units ie four rigging sub-units, are needed to represent the same height.
  • the height of three trench units according to the invention corresponds to the height of two conventional trench units.
  • the plurality of columns can be arranged distributed in any arrangement over the base surface of the base wall, as long as it is ensured that the requirements imposed on the trench unit, in particular with regard to the vertical load carrying capacity, are fulfilled.
  • the columns or columns of a first column group are arranged in a 4x4 grid, i. in a grid with four rows of columns and four column columns, each column being associated with a row of columns and a columnar column.
  • the columns or the columns of the first column group can be arranged at equal distances from each other. Also in this case, the passages between adjacent rows of columns can be used as inspection passages.
  • the distance of the neighboring rows of columns or column columns forming this inspection passage is dimensioned to be larger than the distances between the other rows of columns or column columns adjacent to one another.
  • the distance of the second column row / column column from the third column row / column column may be set larger than the distance of the first column row / column column from the second column row / column gap and / or the distance of the third column row / column column from the fourth column row / column column.
  • the measured at the height of the top of the base wall distance of the adjacent column rows or column columns, which limit the inspection passage at least 20 cm, preferably at least 15 cm.
  • a sufficiently wide channel is available to introduce inspection equipment into the trench through the inspection passage thus formed, for example a mobile camera for visual inspection of the status of the trench or a high pressure cleaning lance for cleaning the trench, which cleans water from one or more nozzles under pressure in the trench ejects.
  • the inspection passage will serve to visually inspect the condition of the trench, i. not only the inspection passage itself, but also the adjacent thereto water volumes, for example by means of a mobile camera, and / or for cleaning the trench, for example by means of a high-pressure cleaning lance, which ejects from one or more nozzles cleaning water under pressure in the trench, i. not only in the inspection passage, but also in the adjoining water intake volumes.
  • a high-pressure cleaning lance which ejects from one or more nozzles cleaning water under pressure in the trench, i. not only in the inspection passage, but also in the adjoining water intake volumes.
  • the trench sub-units are mounted on the construction site to trench units, and it must be assumed that this work is performed by trained auxiliary personnel, it is advantageous if any possibilities for assembly errors are ruled out in advance artificially. In the present case, it is therefore particularly advantageous if the assembly person does not need to pay attention to the orientation of the trench units during assembly.
  • the trench sub-unit has an inspection passage in both main directions. For example, the distance of the second column from the third column of each column row or column column of the 4x4 grid can be made larger than the distance of the first column from the second column of each row of columns or / and the distance of the third column from the fourth column each row of columns or columns.
  • a second pillar group may further be provided, each pillar of the second pillar group being arranged between four adjacent pillars of the first pillar groups , to provide the inspection passages, it is advantageous if no pillars of the second pillar group are arranged between those pillars of the first pillar group which include column rows or column columns which delimit an inspection passage.
  • the pillars of the second pillar group may form a 3x3 raster, that is, a raster having three rows of columns, each comprising three columns, the nearest neighbors of each pillar of the second pillar group being four pillars of the first pillar group.
  • the columns of a second column group are arranged in two rows of three columns, each column of the second column group being arranged between four adjacent columns of the first column groups, and none of the columns of the first column group two Adjacent columns of the second column group belonging to different rows of columns.
  • the stability of the trench unit to vertical forces can be improved, for example by arranging the columns of a second column group in a 2 ⁇ 2 grid, i. in a grid with two rows of columns, each comprising two columns, each column of the second column group being arranged between four adjacent columns of the first column groups, one of the four columns of the first column group being a rectangular column of the 4x4 grid, respectively none of the four columns of the first column group is adjacent to two columns of the second column group.
  • the columns or the columns of a first column group are arranged in a 3 ⁇ 3 grid, i. in a grid with three rows of columns, each comprising three columns.
  • a second column group may also be provided which forms a 2x2 raster, i. a grid with two rows of columns, each comprising two columns, the nearest neighbors of each column of the second column group being four columns of the first column group.
  • the columns or columns of a first column group are arranged in a 5x5 grid, i. in a grid with five rows of columns, each containing five columns.
  • a second column group forming a 4x4 grid, ie a grid with four rows of columns, each comprising four columns, with the nearest neighbors of each column of the second column group comprising four columns of the first pillar group.
  • an inspection passage can also be provided in the embodiments whose columns of the first column group are arranged in a 5x5 grid or a 3x3 grid by being placed in one of the rows of columns and / or Column columns of the second column group forms no columns, leaving a free passage between two adjacent rows of columns and / or column columns of the first column group.
  • the measured at the height of the top of the base wall distance of this passage limiting column rows or column gaps at least 20 cm, preferably at least 15 cm.
  • a surface section of the base wall which is arranged between two adjacent rows of columns and extends from one side edge of the base wall to its opposite side edge is designed as a support surface, ie. at most 50%, preferably at most 25%, of its surface are pierced by openings, preferably elongate slots whose longitudinal direction is preferably orthogonal to the direction of connection of the two side edges.
  • the width of the surface portion may be at least 50%, preferably at least 75%, more preferably substantially 100%, of the distance of the base ends of the adjacent rows of columns at the level of the base wall.
  • the columns do not all have to have the same cross-sectional shape. For example, it is conceivable to provide both columns with a circular base area and also columns with a square base area. But also completely other base shapes are conceivable, for example, a star-shaped base surface shape.
  • At least one column preferably at least one marginal column, have at least one planar peripheral wall surface section.
  • the columns of the first columnar group could be square base columns, while the columns of the second columnar group could be circular base columns.
  • the marginal columns can have at least one plane peripheral wall surface section. It is understood that in this case at least one rectangular column can have two plane peripheral wall surface sections.
  • the circular base surface with the same material use is the statically most advantageous base surface shape, it is proposed in a further development of the invention that at least a portion of the columns, preferably all columns, has a substantially circular base.
  • the surface facing away from the columns surface of the base wall is formed so that two in the height direction to each other inversely oriented and identically formed trench sub-units are immovably connected to each other in the horizontal direction.
  • This can be realized, for example, in that the surface of the base wall facing away from the pillars is formed with at least one projection and at least one recess such that two vertically constructed inversely aligned and identically formed railing subassemblies can be arranged in an interlocking manner in a horizontal direction.
  • the surface of the base wall facing away from the columns is designed such that two in the height direction to each other inversely oriented and identically formed trench sub-units by means of at least one connecting element in the horizontal direction can be positively connected to one another.
  • the positive connection in the horizontal direction in both cases does not exclude that the connection is also positive in the vertical direction, that is, the trench sub-units can be latched together, for example.
  • the trench unit comprises two trench sub-units which are arranged with the tip ends of their columns facing each other, and are preferably connected to one another at mutually associated tip ends of columns belonging to different trench sub-units.
  • the base wall of one trench sub-unit forms the bottom wall of the trench unit, while the base wall of the other trench sub-unit forms the top wall of the trench unit.
  • an intermediate element preferably plate-shaped, be arranged between the two trench sub-units, which interconnects the tip ends of the columns of both trench sub-units.
  • This intermediate element is preferably arranged halfway between the two base walls of the trench sub-units, with the result that the free support length of the column pairs of mutually associated columns is halved.
  • the intermediate member interconnects not only the tip ends of the columns of a pair of columns, each belonging to a different trench subunit, but also the tip ends of one and the same trench subassembly, any forces introduced laterally into one of the columns, such as lateral earth forces, not to be picked up by this pillar alone but they can also be forwarded to the other columns of the trench unit or to the opposite side of the trench on the intermediate element. This results in an overall more stable arrangement.
  • the intermediate element in at least one of its main directions of extension, i. in its longitudinal extension and / or its width extension, at least in sections substantially the same dimension as the base wall of the trench sub-units.
  • the intermediate element has substantially the same length and / or width as the base wall of the trench sub-units.
  • the decoupling of vertical and horizontal forces is advantageous because it can be an overload of individual columns can be prevented, which could lead to buckling of these columns, in particular of marginal or eckêtn pillars of a trench unit, which in the entire trench also rand-. or arranged angularly.
  • horizontal forces that result in skewing of the pillars may degrade the vertical load bearing capacity of the trench unit because inclined pillars have lower load carrying capacity compared to identically constructed vertically arranged pillars.
  • a rigging unit which has only about half the height of the above-mentioned, formed from two trench subunits trench unit
  • a non-inventive trench unit consisting of a single trench sub-unit and the Intermediate element is formed.
  • the intermediate element forms for example the top wall of the non-inventive Rignolenritt, while the base wall of the Rigolenunterritt forms the bottom wall of the non-inventive Rignolenhow.
  • the intermediate element forms the bottom wall of the non-inventive Rignolenü, while the base wall of the Rigolenunterritt forms the top wall of the non-inventive Rignolenü.
  • the intermediate element as a floor or / and top wall of the half-height rigging unit not according to the invention brings with it special requirements, it may be advantageous to form the intermediate element constructively such that it meets these requirements, or instead of the intermediate element sufficient these constructive requirements to provide separate floor element and / or Deckenlement.
  • the Patientssmögfichkeiten which have been explained above for the intermediate element of the two trench sub-units and the intermediate element trench unit, consist in an identical manner for the intermediate element and / or the bottom element and / or the ceiling element of this half-high rigule unit not according to the invention.
  • the width of the surface portion may be at least 50%, preferably at least 75%, more preferably substantially 100%, of the distance of the base ends of the adjacent rows of columns at the level of the base wall.
  • the intermediate element may be at least partially formed as a lattice structure.
  • the lattice webs forming the lattice structure of the intermediate element apply to the lattice webs
  • the grid structure of the base wall forming grid bars said in an identical way.
  • the intermediate element may have recesses for receiving the tip ends of the columns of the two trench sub-units both in its upper surface and in its lower surface.
  • the tip ends of the columns may preferably engage at most 2 cm deep, more preferably at most 1.5 cm deep, in their associated recesses.
  • the tip end of at least one column preferably a plurality of columns, more preferably all columns, can be latched in the associated recess.
  • the tip end of at least one column has a radially inwardly projecting annular collar with which a projecting from the bottom of the recess locking element can be latched.
  • the spring action of the locking element can be readily chosen so that no large forces are required for the assembly by hand on site on the site.
  • the recesses are cylindrical, in the form of a cylinder whose lateral surface is orthogonal to the curve generating the cylinder.
  • At least one rib element preferably a plurality of rib elements, radially protrudes inward, which is or which is preferably formed with an insertion bevel or are.
  • the rib elements can serve to force-fit the tip ends of the columns in the horizontal direction, so that horizontal forces can be transmitted reliably.
  • they can also serve to center the tip ends in the recesses in order to ensure, with regard to the reliable transmission of vertical forces, that the opposite tip ends of the two trench sub-units overlap each other as completely as possible in the vertical direction.
  • a first number of columns may have male connecting elements at their tip ends, while a second number of columns, preferably the other half of the columns, have female connectors at their tip ends, the columns of the first plurality of columns and the columns of the second plurality of columns are arranged so that two are formed identically and inverse in the vertical direction arranged trench subassemblies are merged such that columns with male connecting elements, preferably all columns with male connecting elements, respectively in connection with a column with female connecting element occur.
  • This in itself from the EP 0 943 737 B1 known type of connection has the disadvantage that the two trench sub-units can be connected to each other only in two of the four possible relative positions during rotation about an axis orthogonal to the base wall.
  • Another possibility is to form the tip ends of the pillars of a first stanchion subunit with male fasteners and the tip ends of the pillars of a second stanchion subunit with female fasteners.
  • a single injection molding tool suffices to make the trench subassemblies, since the difference between a male coupling male end and a male coupling female end can be formed by a die set once inserted into the injection mold and not once.
  • the secure guidance of the inspection device in the inspection passage can be provided, for example, by the trench unit further comprising a tunnel element which is arranged in a "reverse U". shaped configuration on the base wall or the intermediate element can be fastened, wherein the tunnel element has, for example, the passage of liquid permitting openings, preferably at least partially provided with a grid structure.
  • the tunnel element can be fastened in a "side-by-side D" -shaped configuration on the base wall or the intermediate element, wherein the linear web of the D Form runs substantially parallel to the surface of the base wall or the intermediate element.
  • the tunnel element may be formed substantially "U" -fömig, wherein the base leg of the "U” shape is substantially parallel to the surface of the base wall and the intermediate element. Furthermore, at least one of the legs of the "U" shape can be fastened on the base wall or the intermediate element.
  • the lattice tunnel element be laterally attached to the pillars of the two adjacent ones Column rows and optionally abuts the top of the intermediate element or the base wall.
  • limiting elements can, for example, be pivotably articulated on the base wall or the intermediate element and can be pivoted between a position extending substantially parallel to the base wall or the intermediate element and an erected position.
  • the pivotable linkage can be designed as a hinge or as a result of tooth-like interlocking elements which are connected to each other via a pivot axis, hinge-like.
  • plug-in components which can be connected via plug connections to the bottom wall and / or the columns bounding the inspection passage.
  • the inspection passage becomes an inspection channel in which the inspection apparatus can move safely without being caught between the columns.
  • the boundary elements may also have openings permitting the passage of liquid, preferably at least in sections, advantageously being adjacent to the upper side of the base wall or the intermediate element, provided with a lattice structure.
  • At least part of the lattice webs of the lattice structure of the tunnel element and / or the delimiting elements can be designed such that they deflect at least a portion of the water ejected by a cleaning device as it passes through the lattice structure such that the water absorption volumes of the trench unit adjacent to the inspection channel a flow with a running parallel to the extension direction of the inspection channel flow component results.
  • the sediment stirred up by the cleaning water can be moved to an inspection shaft, from which access to the inspection channel exists, where it can be sucked off in a simple manner.
  • Said flow component can be achieved for example by tilting a portion of the grid webs with respect to a direction extending in the transverse direction of the inspection channel direction.
  • the lattice webs of the lattice structure of the tunnel element and / or the delimiting elements the above for forming the lattice structure of the base wall and / or intermediate element.
  • the intermediate element has at its top and its underside at least a pair of corresponding holding elements, namely at least one projection and at least one corresponding thereto arranged recess.
  • the trench unit according to the invention further comprises at least one side termination element, which is permeable to liquid, for example at least partially formed as a lattice structure.
  • the grid webs forming the lattice structure of the side termination element have the same meaning for the lattice webs forming the lattice structure of the base wall.
  • the at least one side closure element may, for example, extend over the entire height of a trench unit which is formed from two trench sub-units oriented inversely to one another.
  • the side closure element is supported laterally only on the base walls of two mutually inversely oriented trench sub-units. This is the case, for example, if the trench unit has no intermediate element or the intermediate element is dimensioned smaller than the base wall of the trench sub-units.
  • the side closure element is supported laterally only on the base walls of two mutually inversely oriented trench sub-units and an intermediate element arranged between them.
  • horizontal forces can also be introduced into the intermediate element in a particularly effective manner.
  • half-high rigging unit may also be provided that the side end element is laterally supported only on the base walls of a trench sub-unit and an intermediate element associated therewith.
  • a trench unit comprising two trench sub-units laterally with two such side-closure elements.
  • the side closure element according to the invention is free of lateral contact with the pillars of the trench sub-unit or the trench sub-units.
  • the side closure element is supported laterally only on the base wall or the two base walls and, if desired, on the intermediate element, the side closure element can not introduce any horizontal forces into the peripheral and corner columns, which has the advantages already mentioned above.
  • the side closure element has latching elements which can be latched in associated latching recesses in the side wall of the base walls of the two trench sub-units or the base wall of the trench sub-unit and of the intermediate element.
  • the side closure element can namely with the formed as a pivot bearing locking element in a slightly oblique position relative to Rigolenhow placed on the associated resting point on the base wall of a trench sub-unit or on the intermediate element and then pivoted about this pivot bearing on the trench unit and at its the pivot bearing opposite lying edge with this latched.
  • the at least one trench sub-unit or / and the intermediate element and / or the side closing element is made of plastic, preferably as an injection-molded part, for example made of polyethylene or polypropylene.
  • the relative storage capacity of the trench unit i. the ratio of the water storage usable volume of the trench unit to the total volume of the trench unit, according to the invention has a value of more than 90%, preferably more than 95%.
  • a transport unit comprising at least one stack of trench sub-units stacked one above the other.
  • the or each of the stacks comprises an even number of trench sub-units and half as many intermediate elements.
  • one of the intermediate elements forms a base surface of the stack, wherein preferably on the intermediate element used as a base surface, the even number are arranged by Rigolenunterritten and then the remaining intermediate elements.
  • the pillars of the lowermost trench sub-unit can be protected from damage, for example by buckling or damage to the tip ends of the pillars, due to improper handling, in particular during loading and unloading in the production plant and on the construction site.
  • this can reduce the height of the stack by about half the height of an intermediate element when the trench sub-units are stacked with the columns facing down.
  • the stack has a height of about 132 cm, if each of the stacks comprises twenty trench sub-units and ten intermediate elements, so that two stacks arranged one above the other make optimum use of the loading height of conventional trucks.
  • the or each of the stacks comprises an even number of trench sub-units.
  • the trench sub-units stand up on a separate base surface.
  • the stack has a height of about 131 cm, if each of the stack comprises thirty trench sub-units, so that two stacks stacked on each other make optimum use of the loading height of conventional trucks.
  • one of the prongs of the lifting fork of a forklift truck can be introduced between two adjacent rows of columns of the respectively lowest trench sub-units of both stacks for loading and unloading the truck.
  • a trench unit is generally designated 10.
  • the trench unit 10 comprises two identically formed trench sub-units 12, which are connected to one another via an intermediate plate 14.
  • Fig. 2 is an end view of the trench unit 10 from the direction of the arrow II in Fig. 1 represented, and Fig. 3 shows a perspective view, which reveals the structure of the trench sub-units 12 better.
  • the trench sub-unit 12 comprises a square-shaped in the illustrated embodiment, the base wall 16 from which protrudes a plurality of substantially hollow columns 18 and 20 extending away from the base wall 16, ie from its base end 18a, 20a to its tip end 18b, 20b , rejuvenate.
  • the columns 18 have shown in the Embodiment a square plan and are arranged in a 4x4 grid with four columns rows 22 and four columns columns 23.
  • the columns 18 form a first column group.
  • the pillars 20 of the second pillar group have a substantially circular outline and are arranged in two rows of three pillars, each of the pillars 20 being arranged in the middle of four pillars 18 of the first pillar group.
  • a free passage 24 remains here, which can be used, for example, for introducing an inspection device into the trench unit 10.
  • the distance D between these two middle rows of columns 22 is dimensioned larger than the distance d between the other pairs of columns rows 22.
  • the base wall 16 is formed with a grid structure so that liquid can pass therethrough.
  • the lattice webs 16a are oriented such that their length and thickness dimensions extend in the plane of extent of the base wall 16, while their width dimension is orthogonal to this extent plane.
  • the thickness dimension is considerably smaller than the length and width dimension of the grid bars 16a.
  • surface elements 16b may also be provided in addition to the grid webs 16a, which extend substantially in the plane of extent of the base wall 16, ie their length and width dimensions run in this Extension plane, while the considerably smaller thickness dimension is orthogonal to this.
  • These surface elements 16b form a support surface for the inspection device, for example a travel surface for wheel-guided inspection device, for example a camera dolly.
  • the lattice webs 16a which reach up to the base region 18a or 20a of the pillars 18 and 20 and thus stabilize the pillars 18 and 20 against overturning, run completely within the height h of the base wall 16, ie completely between the upper side thereof 16c and its bottom 16d.
  • the trench sub-units 12 can be stacked in such a way that, in the stacked state, the distance between the top 16c of a bottom trench sub-unit 12 and the bottom 16d of an upper trench sub-unit 12 is smaller than the height h of the base wall 16.
  • the trench sub-units 12 are stacked even with abutting base walls 16, as for example in Fig. 16 is shown.
  • the columns 18 and 20 are substantially formed as a hollow body. Only in a portion of the tip ends 18b and 20b of the pillars 18 and 20, the height extent of which is smaller than the height h of the base wall 16, may stiffening ribs 18c, 20c be provided, as in FIG Fig. 4 is roughly indicated for both types of columns.
  • These stabilizing webs 18 c, 20 c may be provided, for example, in the form of a cross with two mutually orthogonal webs, as the sectional view of Fig. 4 shows, the left side shows a section through such a web, while the cutting plane of the right side with the cutting plane of the left side forms an angle of, for example, 45 °.
  • openings 18e, 20e which allow the passage of liquid into the interior of the columns 18, 20 remain at the end faces 18b, 20b of the columns 18, 20 through this crosspiece arrangement at the end faces 18d, 20d.
  • the columns 18, 20 are completely open and thus permeable to liquid, as can be seen for example in FIG Fig. 1 see in which the bottom 16 d of the upper trench subunit 12 can be seen.
  • the columns 18, 20 can be provided at their peripheral surfaces with openings 18f, 20f, in order to enable an entry or exit of liquid into the columns 18, 20 or out of these.
  • the peripheral walls 18g, 20g of the pillars 18, 20 can extend between the base ends 18a, 20a and the tip ends 18b, 20b with a substantially constant wall thickness (FIG. Fig. 5 ).
  • the wall thickness it is also possible for the wall thickness to increase from the base end 18a, 20a to the tip end 18b, 20b, as shown in FIG Fig. 6 is shown.
  • Decisive for the vertical load carrying capacity of the columns 18, 20 is the minimum cross-sectional area of the column wall 18g, 20g, in the course thereof between base end 18a, 20a and tip end 18b, 20b.
  • the wall thickness at the base end 18a, 20a may be made smaller than at the tip end 18b, 20b.
  • a tunnel element 26 may be provided which laterally abuts against the inspection passage 24 bounding columns 18 and is stabilized at the top of the intermediate plate 14. Furthermore, it can be provided that the tunnel element 26 engages by means of projections (not shown) into the openings 18f facing the inspection passage 24 of the columns 18 delimiting the inspection passage 24 and thus securely held in position.
  • the running surface 26a is also formed on the tunnel element 26, as in FIG Fig. 2 indicated by dash-dotted lines.
  • the inspection passage 24 becomes the inspection channel.
  • Fig. 2a differs therefrom only in that the tunnel element 26 'is arranged in a "U" configuration in the passage 24, ie a configuration according to which the base web of the "U" shape is parallel to the base wall 16 of the trench sub-unit 12. Otherwise, in particular with regard to the attachment of the tunnel element 26 'to the trench sub-unit 12, reference is made to the explanations Fig. 2 directed.
  • Fig. 2b an alternative embodiment is shown, which also makes it possible to make the inspection passage 24 to an inspection channel. Since the inspection device is supported on the bottom wall 16, it also only requires lateral guidance in a height section adjoining the bottom wall 16. Therefore, according to Fig. 2b in the region of the bottom wall 16, two boundary walls 27 are provided, which are arranged pivotably on the bottom wall 16.
  • the boundary walls 27 may be connected, for example via a film hinge with the base wall 16. However, they can also be provided as separate components, which are pivotally mounted on the base wall 16.
  • the boundary walls 27 may between a first state in which they are substantially parallel to the base wall 16 (see Fig. 2b the left boundary wall 27) and a second state in which they are substantially orthogonal to the base wall 16 (see Fig.
  • latching elements 27a can be provided on the boundary walls 27, which can engage in the lateral openings 18f of the columns 18, for example.
  • the boundary walls 27 may be provided with a lattice structure, to which the comments made above regarding the lattice structure of the base wall 16 apply in an identical manner.
  • the two boundary walls 27 on the trench subunit 12 are not pivotable to steer, but to connect by means of plug connection elements with the trench sub-unit 12.
  • the intermediate plate 14 serves to connect the two trench sub-units 12 of the trench unit 10 (see FIG Fig. 1 ).
  • This connection can, as in the FIGS. 7 and 8 is shown for the example of a column 20 with a circular plan, go beyond the mere nesting, which would only be able to hold the two trench sub-units 12 and the intermediate plate 14 in the horizontal direction, but not in the vertical direction.
  • the tip ends 20b of the pillars 20 can be latched to the intermediate plate 14, so that vertical tensile forces can also be transmitted.
  • the intermediate plate 14 For receiving the tip ends 20b of the columns 20 of the mutually inversely oriented trench sub-units 12, the intermediate plate 14 comprises both on its upper side 14a and on its underside 14b recesses 30 into which the tip ends 20b of the columns 20 can be inserted.
  • the common bottom surface 14c of the two recesses 30 are substantially in the form of tubular projections 32 in the recesses 30, which in the illustrated embodiment have two locking elements 34 which is intended to cooperate with a preferably circumferential undercut of the tip end 20b of the columns 20.
  • rib members 38 are provided, which serve as Einzhousschrägen for the tip end 20b of the columns 20 and on the other hand in the fully inserted into the recesses 30 state of the tip ends 20b of the columns 20 abut the peripheral wall 20g of the columns 20 and thus can absorb horizontal forces from these and transmitted to them. In this way, a stable overall arrangement of the trench unit 10 formed from the two trench sub-units 12 and the intermediate plate 14 results.
  • the intermediate plate 14 which forms the intermediate element in the sense of the claims, is formed with a grid structure to allow liquid to pass in the vertical direction can.
  • the lattice structure of the base wall 16 applies in an identical manner.
  • the bottom 16 d of the base wall 16 of the trench sub-units 12 may be formed with projections 40 and recesses 42, which are arranged at mutually corresponding locations, so that the projections 40 of a lower trench unit 10 can engage in the recesses 42 of an upper trench unit 10 and vice versa (see Fig. 9 ). In this way results in a relation to shifts in the horizontal direction stable composite.
  • the side end member 40 is supported laterally exclusively on the base walls 16 of the two trench sub-units 12 and the intermediate plate 14, but not on the edge and corner columns 18. In this way it can be prevented that horizontal forces from the Rigole surrounding soil are introduced via the side finisher 40 in the trench unit 10, are introduced via the columns 18 in the trench unit 10. This can be done by a lateral projection x of the base walls 16 (see FIG. 11 ) over the base end 18 a of the columns 18, as he still below for the embodiments of the FIGS. 11 to 13 will be explained in more detail, be improved.
  • the intermediate plate 14 extends horizontally beyond the tip ends 18b of the pillars 18, preferably to the side termination member 40.
  • the side termination member 40 has the same dimensions and width as the base walls 16 and 16 between the two base walls 16, a further lateral support for the side closure element 40 ready.
  • the intermediate plates 14 can also be used to convey horizontal forces from trench unit 10 to trench unit 10.
  • the transmission of horizontal forces and the transmission of vertical forces within the rigging formed by a plurality of trench unit 10 according to the invention can be decoupled from one another. While the vertical forces are transmitted from the columns 18, 20, horizontal forces of the base walls 16 and the intermediate plates 14 forwarded. In this way, an overload of the columns 18, 20 can be avoided by the simultaneous action of horizontal and vertical forces. This has an advantageous effect on the stability of the trench.
  • Fig. 11 . 12 and 13 are roughly schematic further embodiments of Rigolenunterutz 112, 212, 312 shown in plan view, with only rough schematic of the outline of the base walls 116, 216, 316 and the position of the columns 120, 220, 320 are indicated.
  • Fig. 3 are also the columns of the trench sub 112 according to Fig. 11 arranged in a 4x4 grid, but not only between the two central rows of columns 122, an inspection passage 124 is provided, but also between the two central column columns 123, an inspection passage 124 'is provided.
  • the base ends 120a of the pillars 120 have a predetermined distance x from the peripheral edge 116e of the base wall 116.
  • the grid webs of the base wall 116 which are responsible for the tilt stability of the columns 120, distributed even at edge or corner columns 120 over the entire circumference of the columns 120, this increases the tipping stability of the edge or eck receivingn Columns 120.
  • this feature ie this edge distance x also in the embodiment according to Fig. 3 be provided.
  • the trench subunit 212 according to Fig. 12 has a first column group arranged in a 5x5 grid, with columns of a second column group being arranged in a 4x4 grid between the columns of the first column group.
  • an inspection passage can in principle be provided, for example by omitting one of the row of columns and / or columns of columns, like this in Fig. 12 for the central column row 222 is indicated by a double line.
  • the trench subunit 312 according to Fig. 13 has a first column group arranged in a 3x3 grid and a second column group arranged in a 2x2 grid.
  • lateral closure elements 40 can be attached laterally to the trench units 10, for example side grids with lattice structure.
  • These side termination members 40 are preferably attached to the marginal rigging units 10 of a rigging composed of a plurality of such rigging units 10 to complete the interior volume of the rigging.
  • the side closure elements 40 serve in particular as support bodies for a geotextile, from which such riggings are usually enveloped in order to prevent the penetration of soil into the interior of the trench in the operating state in which the trench is arranged in the ground.
  • the lattice structure of the side termination elements 40 what has been previously said for the lattice structure of the bottom walls 16 applies in an identical manner.
  • latching elements 42 may be provided which serve the attachment of the side closure elements 40 on the base wall 16 of the trench sub-units 12 and, if desired, also on the intermediate plate 14. These locking elements 42 can engage, for example, in associated latching recesses 44 of the base wall 16. To facilitate assembly, these locking connections 42/44, as in the Fig. 14a, 14b is indicated schematically, be designed as a pivot bearing.
  • the base wall 16 is square, the edge length of the square being approximately 80 cm and the height H of the square Trench unit 10 is about 66 cm, so that the height of a trench sub 12 is about 33 cm.
  • the trench sub-units only 16.5 cm high, so that a total of four trench sub-units are required for the formation of a height-compatible with a conventional trench unit assembly.
  • Fig. 15 a subassembly formed from two such trench subunits 12 with lower columns 420 is shown.
  • the pillars 420 are made shorter in this embodiment, their tip ends 420b can be directly connected to each other without causing lateral stability problems, that is, especially without interposing an intermediate plate analogous to the intermediate plate 14 in the embodiment of FIG Fig. 1 and 3 ,
  • an inspection passage 424 may be provided. Furthermore, with regard to the training possibilities of the base wall 416 and the pillars 420 as well as the possibility to provide at least one inspection duct, the above according to the embodiment according to Fig. 1 and 3 Said in an identical way.
  • Fig. 16 is a transport unit 50 for a total of twenty trench units 10 of the embodiment according to Fig. 1 and 3 shown. It comprises two stacks 52, each of these stacks comprising twenty nested stanchions sub-units 12 arranged with their columns projecting downwards.
  • the base surface of each stack 52 forms an intermediate plate 14 and the upper end of each stack 52 forms another nine intermediate plates 14.
  • the elements of each stack 52 can be held together in a manner known per se with plastic straps.
  • the two stacks 52 can also be connected to the transport unit 50 by means of plastic belts.
  • the inspection passages 24 of the respective lowest rigging subunit 12 of both stacks 52 can be used to insert one tine each of the lifting tool of a forklift, so that the transport unit 50 can be easily deposited on or removed from the loading surface of a truck.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Road Paving Structures (AREA)

Claims (10)

  1. Unité de rigoles (10) comprenant au moins deux sous-unités de rigoles (12), les sous-unités de rigoles (12) comprenant chacune une paroi de base (16) et une pluralité de colonnes creuses (18, 20), où les colonnes (18, 20) s'amincissant en partant de la paroi de base (16), i.e. de leur extrémité de base (18a, 20a) vers leur extrémité de pointe (18b, 20b), et s'amincissant de préférence de manière conique, où les colonnes (18, 20) sont connectées en une pièce à la paroi de base (16), tandis que les interstices entre deux colonnes (18, 20) adjacentes sont dépourvues d'éléments les connectant, en particulier dépourvues de parois de connexion, et où l'unité de rigoles (10) comprend en outre au moins un élément d'extrémité latéral (40) adapté de manière perméable au fluide,
    caractérisée
    en ce que l'élément d'extrémité latéral (40) est supporté latéralement uniquement aux parois de base (16) des deux sous-unités de rigoles (12) inverses l'un de l'autre, l'élément d'extrémité latéral (40) n'ayant pas de contact latéral avec les colonnes (18, 20) des sous-unités de rigoles (12), et en ce que la capacité de stockage relative de l'unité de rigoles (10), i.e. le rapport du volume utilisable pour le stockage d'eau de l'unité de rigoles au volume total de l'unité de rigoles ayant une valeur de plus de 90%.
  2. Unité de rigoles selon la revendication 1,
    caractérisée en ce que les colonnes (18, 20) sont adaptées de sorte que ou/et en ce que l'épaisseur de la paroi et le degré d'amincissement ou l'angle de conicité des colonnes (18, 20) sont dimensionnés de sorte que dans l'état emboîté de deux sous-unités de rigoles (12) identiques et orientées dans la même direction, les parois de base (16) des deux sous-unités de rigoles (12) ont une distance l'une par rapport à l'autre qui est plus petite que l'épaisseur (h) de la paroi de base (16), de préférence plus petite que la moitié de l'épaisseur (h) de la paroi de base (16), où il est encore plus particulièrement préféré que les parois de base (16) des deux sous-unités de rigoles (12) sont en contact entre elles (figure 16).
  3. Unité de rigoles selon la revendication 1 ou 2,
    caractérisée en ce que des colonnes de bordure ou des angles (120) ont une distance prédéfinie (x) de la bordure (116a) de la paroi de base (116), cette distance (x) étant par exemple entre environ 1 cm et environ 5 cm.
  4. Unité de rigoles selon une des revendications 1 à 3,
    caractérisée en ce que l'espace intérieur de la pluralité de colonnes (18, 20) comprend des éléments de renfort (18c, 20c), par exemple des raidisseurs de renfort, au plus dans une région de hauteur près de l'extrémité de pointe, où la hauteur correspond à l'épaisseur (h) de la paroi de base (16).
  5. Unité de rigoles selon une des revendications 1 à 4,
    caractérisée en ce que la paroi circonférentielle d'au moins une colonne (18), de préférence de toutes les colonnes, comprend au moins une ouverture (18f) permettant le passage de fluide.
  6. Unité de rigoles selon la revendication 5,
    caractérisée en ce que ladite au moins une ouverture (18f) est plus proche de l'extrémité de base (18a) de la colonne (18) que de son extrémité de pointe (18b), et est de préférence adapté de manière adjacente à l'extrémité de base.
  7. Unité de rigoles selon une des revendications 1 à 6,
    caractérisée en ce que la longueur du bord de la paroi de base (16) dans le sens longitudinal ou/et dans le sens de l'épaisseur est de moins de 90 cm, de préférence de 80 cm +- 1 cm.
  8. Unité de rigoles selon une des revendications 1 à 7,
    caractérisée en ce que la hauteur (H) de la sous-unité de rigoles (12) est essentiellement de 33 cm ou essentiellement de 22 cm ou essentiellement de 16,5 cm.
  9. Unité de rigoles selon une des revendications 1 à 8,
    caractérisée en ce que la surface (16d) de la paroi de base (16) détournée des colonnes (18, 20) est adaptée avec au moins une saillie (40) et au moins une cavité (42) de sorte que deux sous-unités de rigoles (12) identiques respectivement inverses l'un de l'autre dans le sens de la hauteur peuvent être arrangées dans le sens horizontal pour s'engrener par liaison de forme.
  10. Unité de rigoles selon une des revendications 1 à 9,
    caractérisée en ce que l'élément d'extrémité latéral (40) comprend des éléments de verrouillage (42) qui peuvent être verrouillés dans des cavités de verrouillage (44) correspondantes dans les parois de base (16) des deux sous-unités de rigoles (12) et dans l'élément intermédiaire (14).
EP12192007.8A 2011-11-09 2012-11-09 Unité de rigole et unité de transport formée à partir d'unités de rigole de ce type Active EP2592194B1 (fr)

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DE102011086016A DE102011086016A1 (de) 2011-11-09 2011-11-09 Rigoleneinheit und aus derartigen Rigoleneinheiten gebildete Transporteinheit

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EP2592194B1 true EP2592194B1 (fr) 2016-08-31

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US20140291221A1 (en) 2014-10-02
WO2013068541A1 (fr) 2013-05-16
US9506235B2 (en) 2016-11-29
EP2592194A1 (fr) 2013-05-15
EP2776639B1 (fr) 2017-06-14
DE102011086016A1 (de) 2013-05-16

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