EP3889352B1 - Procédé de fabrication d'un parpaing - Google Patents

Procédé de fabrication d'un parpaing Download PDF

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Publication number
EP3889352B1
EP3889352B1 EP21165991.7A EP21165991A EP3889352B1 EP 3889352 B1 EP3889352 B1 EP 3889352B1 EP 21165991 A EP21165991 A EP 21165991A EP 3889352 B1 EP3889352 B1 EP 3889352B1
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Prior art keywords
concrete
concrete block
layer
block layer
water
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EP21165991.7A
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German (de)
English (en)
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EP3889352A1 (fr
Inventor
Bernhard Godelmann
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Godelmann GmbH and Co KG
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Godelmann GmbH and Co KG
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Publication of EP3889352A1 publication Critical patent/EP3889352A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00—Pavings made of prefabricated single units
    • E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
    • E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage

Definitions

  • the invention relates to a method for producing a concrete block according to the preamble of patent claim 1.
  • Concrete stones in particular paving stones, steps, bricks and boundary stones made of concrete are well known from the prior art. Such concrete blocks are often used in road, traffic route and landscaping construction for the production of surface coverings, walls, stairs or other structures permanently built into the ground.
  • large areas of the surface are often designed as traffic areas that can be walked on or driven on, such as streets, paths, squares or parking lots, and are covered with surface coverings formed from concrete blocks of this type, in particular paving stones or slabs.
  • the concrete blocks or paving stones made of concrete are preferably laid in combination on a bedding layer of the subsoil, specifically in such a way that joints are created between adjacent paving stones or shaped stones.
  • the joints are filled with suitable, mostly sand-like joint materials.
  • Such surface coverings in the form of patches are sufficiently known from the prior art.
  • a surface covering made of two-layer shaped blocks is already known, which has a water-absorbing, water-permeable layer on the surface underneath an essentially water-impermeable layer. Due to the water-permeable design of the lower layer, the rainwater can flow down both over the joints and at least partially over the water-permeable layer in the direction of the bedding layer and thus almost completely hits the bedding layer, which means that so-called blocking of the joints can be reduced.
  • the future goal is to preserve the natural water balance in settlement areas in order to limit damage caused by heavy rain.
  • the rainwater should therefore evaporate and perspire and the rest seep away into the ground, i.e. be returned to the groundwater.
  • the concrete block also has a multi-layer structure and is designed to be placed on a bedding layer of a substrate and to be laid in the composite.
  • the molded block comprises at least one water-impermeable, first layer arranged along the upper side of the molded block and at least one immediately adjoining water-permeable, second layer and at least one third layer adjoining the second layer.
  • the third layer is designed as a water-impermeable layer and is arranged on the underside of the concrete block intended to rest on the bedding layer, and the second layer arranged between the first and third layers is designed to absorb and store water.
  • the impermeability of the third layer means that in the second layer Waterlogging forms and the second layer can become oversaturated.
  • the disadvantage of this is that the onset of the evaporation effect is delayed or only occurs to a limited extent if the concrete block is heated too little.
  • a further disadvantage is that the evaporation properties of such a concrete block are therefore limited due to the water-impermeable third layer.
  • the formation of waterlogging during a freeze/thaw cycle can also lead to damage to the concrete block, which is particularly disadvantageous.
  • Concrete stones within the meaning of the invention can in particular be paving stones and slabs made of concrete, which can be laid in combination on a bedding layer.
  • the first step is to manufacture
  • fine gravel and/or sand-rich concrete is introduced into the formwork, then in a second step for the production of the water-permeable second concrete block layer the no
  • a water-permeable layer with a lower water permeability is understood in the sense of the invention as a concrete block layer in which water can penetrate through this layer, but with a time delay and/or compared to one water-permeable concrete block layer with normal or higher water permeability with a reduced or reduced speed.
  • This layer is also not designed to absorb and store water. This particularly advantageously avoids waterlogging in the second concrete block layer, ie the amount of water absorbed by the second water-permeable concrete block layer can be adjusted or better regulated in such a way that improved evaporation properties of the concrete block or concrete paving block arise. This also effectively prevents damage to the concrete block in the event of waterlogging and a freeze/thaw cycle.
  • the formwork or mold is removed and the compacted concrete material is then preferably cured in a drying chamber, the compacted concrete material already having the shape and dimensions of the concrete block or concrete paving stone after the formwork has been removed.
  • the production according to the invention of the second layer of concrete blocks from an aggregate core concrete enables optimal absorption and storage of water in the concrete blocks.
  • the fine concrete rich in chippings and/or sand and the no-fines core concrete introduced into the formwork are pre-compacted in an intermediate step before the facing concrete is introduced.
  • coarse-grain crushed stone material can also be added to the fine gravel and/or sand-rich concrete.
  • a fine grit and/or sand-rich concrete material with possibly a coarser-grained grit portion for the production of the third concrete block layer By using a fine grit and/or sand-rich concrete material with possibly a coarser-grained grit portion for the production of the third concrete block layer, a low level of water permeability is achieved, with the degree of this being determined by the respective mixture can be adjusted at least in part by the proportion of sand and/or chippings added and/or the grain size used in each case.
  • small pores and/or cavities which produce a capillary effect, are formed in the concrete material mentioned and a correspondingly selected binder content in the third layer of concrete blocks. Because of this capillary effect, moisture that is still present in the bedding layer can be supplied to the second concrete block layer, for example via the third concrete block layer, as a result of which the evaporation properties of the concrete
  • the first layer of concrete blocks is produced from partially water-permeable or water-impermeable facing concrete.
  • precipitation water can also be fed via the first concrete block layer to the second, water-storing concrete block layer or escape again in the event of evaporation.
  • the water-impermeable design of the facing concrete layer enables the targeted supply of rainwater via the joints or the joint material located therein, so that effective filtering of the rainwater via this infiltration path is particularly advantageous.
  • the third concrete block layer can also advantageously be produced with a layer thickness of between 3% and 15% of the total height of the concrete block body, preferably between 3% and 8% of the total height of the concrete block body.
  • the third layer of concrete blocks can be produced with a layer thickness between 3 mm and 10 mm, preferably between 3 mm and 8 mm.
  • the second concrete block layer is produced with a layer thickness between 60% and 90% of the total height of the concrete block body, preferably between 70% and 85% of the total height of the concrete block body.
  • the second concrete block layer thus forms a large part of the concrete block body, so that a large amount of water can be stored in it and released again.
  • the concrete block is advantageously produced in one piece or in one piece, i.e. all three concrete block layers are produced in one production process in the form of a complete block.
  • the third layer of concrete blocks is produced with a water permeability which is reduced by at least 30%, preferably by 50%, compared to the water permeability of the second layer of concrete blocks. This ensures sufficient saturation of the second layer of concrete blocks with rainwater guaranteed, but effectively prevents oversaturation. This significantly improves the evaporation properties of the concrete block.
  • a photocatalyst such as titanium dioxide is incorporated into the first concrete block layer.
  • the surface of the concrete block is thus designed for photocatalytic air purification. Irradiation with light, preferably sunlight, can particularly advantageously oxidize harmful gases present in the ambient air, such as nitrogen oxides or volatile organic substances, and thus remove them from the air.
  • FIG 1 is an example of a perspective view of a concrete block 1 produced according to the method according to the invention and FIG figure 2 a schematic section along a sectional plane running parallel to the central longitudinal axis MLA and the longitudinal axis LA of the concrete block 1 is shown.
  • the concrete block 1 is preferably designed in the form of a surface element that can be laid in combination to create a surface covering.
  • concrete block or concrete slab are understood to be essentially structurally identical elements that can be used in a manner known per se to create a surface covering. Depending on the selected laying pattern, these are interlocked with one another and laid flush with one another, so that a preferably level surface covering 10 is produced.
  • a concrete block 1 produced according to the method according to the invention comprises at least one multi-layered concrete block body 2 with at least one level concrete block underside 2.1 and an essentially flat concrete block upper side 2.2 opposite this, which preferably forms the tread surface or trafficable surface or traffic surface.
  • the specific design of the lateral surface sections of the concrete block 1 is not relevant to the invention, i.e. the specific cross-sectional shape of the concrete block 1 can be chosen almost arbitrarily without departing from the idea of the invention.
  • the concrete block 1 is cuboid and has two concrete block sides 2.3, 2.4 that are opposite one another and have the same surface area.
  • the underside of the concrete block 2.1 and the upper side of the concrete block 2.2 run perpendicular or approximately perpendicular to the central longitudinal axis MLA of the concrete block body 2 or concrete block 1, with the concrete block sides 2.4 being oriented perpendicularly and the concrete block sides 2.3 parallel to the longitudinal axis LA of the concrete block body 2 or concrete block 1.
  • the multi-layer concrete block body 2 comprises at least one first concrete block layer 2a forming the concrete block upper side 2.2, at least one water-permeable second concrete block layer 2b adjoining the first concrete block layer 2a and a third concrete block layer 2c immediately adjoining the second concrete block layer 2b, with the third concrete block layer 2c forming the concrete block underside 2.1 forms, which is intended to rest on a bedding layer 3 of a substrate, and wherein between the first and third concrete block layer 2a, 2c arranged second concrete block layer 2b is designed for receiving and storing water.
  • the third concrete block layer 2c is made water-permeable according to the invention, with the third concrete block layer 2c having a lower water permeability in comparison to the second concrete block layer 2 .
  • a water-permeable layer with low water permeability is understood in the present context to mean a concrete block layer through which water can be transported or passed, but with a time delay and/or with a reduced flow rate compared to the second, water-permeable concrete block layer 2b.
  • the method according to the invention for producing or manufacturing the concrete block 1 with improved evaporation properties can be carried out by means of industrial production methods in which concrete blocks are produced in a process-controlled manner, preferably in layers, i.e. several concrete blocks at the same time in one layer.
  • a concrete formwork known per se is first provided for the production of concrete blocks 1, in particular in the form of paving blocks or slabs.
  • first step to produce the at least partially water-permeable third concrete block layer 2c fine gravel and/or sand-rich concrete is introduced into the formwork or mold and, in a second step, to produce the water-permeable second concrete block layer 2b, additional no-fines Core concrete introduced into the formwork or form.
  • second step to produce the water-permeable second concrete block layer 2b, additional no-fines Core concrete introduced into the formwork or form.
  • facing concrete is introduced into the formwork or mold, with the concrete material introduced being subsequently compacted.
  • the formwork or mold is removed, with the compacted concrete block 1 remaining on a support and holding plate.
  • the hardening of the compacted concrete block 1 preferably takes place in a drying chamber.
  • the fine chippings and/or sand-rich concrete and the no-fines core concrete introduced into the formwork are pre-compacted in an intermediate step before the facing concrete is introduced.
  • the fine grit and/or sand-rich concrete can be introduced into the formwork over a thin surface using a first concrete spreader and then the no-fines core concrete can be thickly introduced into the formwork using a second concrete spreader, and the concrete layers introduced using a stamp and/or shaking vibration of the support and holding plate in the formwork or mold are pre-compacted.
  • Lowering the stamp onto the formwork or form introduced concrete material and the subsequent exposure to a vibrating impact on the part of the support and holding plate is also referred to as "intermediate sinking".
  • the third concrete block layer 2c is preferably made from a fine concrete material rich in chippings and/or sand, which has at least moderate water permeability. If necessary, a coarse-grained grit portion can be added.
  • the concrete block 1 or the concrete block body 2 is produced with an overall height H, which preferably corresponds to the sum of the layer thicknesses Da, Db, Dc of the first to third concrete block layers 2a, 2b, 2c.
  • the first concrete block layer 2a has a first layer thickness Da
  • the second concrete block layer 2b has a second layer thickness Db
  • the third concrete block layer 2c has a third layer thickness Dc.
  • the third layer thickness Dc of the third concrete block layer 2c is between 3 mm and 15 mm, preferably between 3 mm and 8 mm. Based on the total layer thickness H of the concrete block, the third layer thickness Dc is between 3% and 15% of the total height H of the concrete block body 2, preferably between 3% and 10% of the total height H of the concrete block body 2.
  • the second layer thickness Db of the second concrete block layer 2b is between 60% and 90% of the total height H of the concrete block body 2, preferably between 70% and 85% of the total height H of the concrete block body 2.
  • the second layer thickness Db of the second concrete block layer 2b is, for example, in the present exemplary embodiment approximately 80% of the total height H of the shaped block 1.
  • the first layer thickness Da is 1.5 cm, for example, and the second layer thickness Db is 8, for example cm and the third layer thickness Dc is, for example, 0.5 cm.
  • the first, the concrete block top 2.2 forming concrete block layer 2a is made of a water-permeable or water-impermeable facing concrete, as water-impermeable facing concrete, a structurally dense, impermeable concrete material is used.
  • the first concrete block layer 2a is preferably directly followed by the second concrete block layer 2b, which is made of no-fines core concrete with a large proportion of fine and micropores. This no-fines concrete layer 2b supports the absorption and storage of water and thus enables water to penetrate through the concrete block sides 2.3, 2.4 into the second concrete block layer 2b.
  • the water temporarily stored in the second layer of concrete block 2b can be released to the outside again, in vapor form again via the concrete block sides 2.3, 2.4 and/or, if the first layer of concrete block 2a is permeable to water, via these escape from the concrete block 1 or be released into the environment.
  • the concrete block 1 has so-called spacers or spacer noses 4, which ensure uniform joints 5 of approximately equal width when the concrete block 1 is laid in the composite and ensure a minimum width of the joints 5.
  • FIG 3 a section through a surface covering 10 formed by means of concrete blocks 1 designed according to the invention is shown as an example.
  • the surface covering 10 comprises a multiplicity of multi-layered concrete blocks 1 laid on a bedding layer 3 of a subsoil.
  • the concrete blocks 1 used to produce the surface covering 10 are designed in three layers according to the invention and each have a first, a second and a third concrete block layer 2a, 2b, 2c up.
  • Joints 5 are formed between adjacent concrete blocks 1 of the surface covering 10 , which are filled with a joint material 6 and form a seepage path for draining rainwater from the surface of the surface covering 10 facing away from the bedding layer 3 .
  • the bedding layer 3 is a conventional bedding layer, which essentially consists of a material mixture with a grain size of 0.1 mm to 5 mm. After the concrete blocks 1 have been laid in the composite, the joint material 6 is swept dry into the joints 5 . Following this, the surface covering 10 is shaken off and, if necessary, grouted again, ie additional joint material 6 is filled into joints 6 that are not yet completely filled. This process can be repeated again after a certain time.
  • the joint material 7 of the present exemplary embodiment consists, for example, of a mixture of a proportion of sand, a proportion of fines and an artificial molecular sieve, and thus forms a filter layer for removing pollutants from the rainwater.
  • conventional joint material can also be used if no pollutant filtering is desired.
  • FIG. 4 To illustrate the water cycle taking place on the surface covering 10 is in the figures 4 and 5 a section of the surface covering 10 is shown in a sectional view, with figure 4 the seepage and absorption route for rainwater and in figure 5 the evaporation path for precipitation water temporarily stored in the concrete block 1 and there in particular in the second concrete block layer 2b is indicated.
  • Precipitation water impinges on the surface of the surface covering 10 on the first concrete block layer 2a of the concrete blocks 1 and preferably seeps through the joints 5 into the joint material 6, with the rainwater also being conducted away from the first concrete block layer 2a if it is at least partially water-permeable. Irrespective of this, at least part of the precipitation water that is moving in the direction of the bedding layer 4 and seeps away from the joint material 6 gets into the second concrete block layer 2b, which preferably absorbs the water like a sponge.
  • the supply takes place via the concrete stone sides 2.3, 2.4 bordering on the joint material 7.
  • the seepage and transport route of the rainwater is shown in figure 4 indicated by black arrows.
  • part of the precipitation water absorbed in the second concrete block layer 2b can also be discharged into the bedding layer 3 or the subsoil, so that optimal water flow is achieved. In particular, this avoids oversaturation of the second concrete block layer 2b with rainwater, which would impair the evaporation properties.
  • the rainwater temporarily stored in the second concrete block layer 2b of the concrete blocks 1 can therefore evaporate significantly better than in the case of concrete blocks 3 known from the prior art, which have a water-impermeable provide a third layer of concrete blocks.
  • the evaporating water reaches the surface in the form of water vapor from the second concrete block layer 2b of the concrete block 1 either via the joint material 6 and/or the water-permeable first concrete block layer 2a, where it is released into the air above.
  • a possible evaporation path of the water is in figure 5 indicated by double arrows.
  • the sheet material 10 is particularly suitable for an effective contribution to a to provide environmentally friendly drainage planning, in particular to achieve an evapotranspiration of between 34% and 92% of the rainwater.
  • moisture can be supplied from the bedding layer 3 or the subsoil into the second concrete block layer 2b, thereby additionally improving the evaporation properties of the concrete block 1, in particular increasing the evaporation rate.
  • the first concrete block layer 2a forming the top side 2.2 of the concrete block can be produced in one embodiment from a concrete material with incorporated photocatalysts such as, for example, titanium dioxide.
  • a concrete material with incorporated photocatalysts such as, for example, titanium dioxide.
  • nanoparticles of titanium dioxide (TiO2) preferably in powder form or in liquid form, are added to the concrete material provided for the production of the first concrete block layer 2a.
  • the first concrete block layer 2a with incorporated photocatalysts serves as a photocatalyst, via which photocatalytic air purification takes place under solar radiation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Artificial Fish Reefs (AREA)
  • Revetment (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (12)

  1. Procédé, destiné à fabriquer un parpaing (1) comprenant au moins un corps de parpaing (2), conçu en plusieurs couches, pourvu d'au moins une face inférieure de parpaing (2.1) plane et d'une face supérieure de parpaing (2.2) sensiblement plate, opposée à celle-ci, le corps de parpaing (2) comportant au moins une première couche de parpaing (2a) en béton de parement, constituant la face supérieure de parpaing (2.2), au moins une deuxième couche de parpaing (2b) en béton de masse de structure caverneuse, perméable à l'eau, se raccordant sur la première couche de parpaing (2a), ainsi qu'une troisième couche de parpaing (2c), se raccordant directement sur la deuxième couche de parpaing (2b), la troisième couche de parpaing (2c) constituant la face inférieure de parpaing (2.1) qui est prévue pour être posée sur une couche de ballast (3) d'un sol et la deuxième couche de parpaing (2b) placée entre la première et la troisième couche de parpaing (2a, 2c) étant conçue pour absorber et pour stocker de l'eau, caractérisé en ce qu'après la mise à disposition d'un coffrage, dans une première étape pour la fabrication de la troisième couche de parpaing (2c) d'une perméabilité à l'eau plus faible en comparaison de la deuxième couche de parpaing (2b), l'on introduit dans le coffrage du béton fin, plus riche en gravier et /ou plus riche en sable, lors duquel, dans une deuxième étape, pour la fabrication de la deuxième couche de parpaing (2b) perméable à l'eau, l'on introduit additionnellement dans le coffrage le béton de masse, de structure caverneuse, et lors duquel, dans une troisième étape, pour la fabrication de la première couche de parpaing (2a), l'on introduit dans le coffrage le béton de parement, la matière à base de béton introduite étant ensuite compactée.
  2. Procédé selon la revendication 1, caractérisé en ce que, dans une étape intermédiaire, l'on précompacte le béton fin et / ou riche en sable et le béton de masse de structure caverneuse introduit dans le coffrage, avant d'introduire le béton de parement.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on introduit dans le coffrage le béton fin et /ou riche en sable en couche mince avec des premiers moyens distributeurs de béton et ensuite par-dessus le béton de masse, de structure caverneuse en couche épaisse, avec des deuxièmes moyens distributeurs de béton et l'on précompacte dans le coffrage les couches de béton introduites au moyen d'un tampon et / ou d'une vibration par secousses.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique la première couche de parpaing (2a) en béton de parement partiellement perméable à l'eau ou imperméable à l'eau.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique la troisième couche de parpaing (2c) avec une épaisseur de couche (Dc) comprise entre 3 % et 15% de la hauteur totale (H) du corps parpaing (2), de préférence comprise entre 3 % et 10 % de la hauteur totale (H) du corps de parpaing (2).
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique la troisième couche de parpaing (2c) avec une épaisseur de couche (Dc) comprise entre 3 mm et 10 mm, de préférence comprise entre 3 mm et 8 mm.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique la deuxième couche de parpaing (2c) avec une épaisseur de couche (Db) comprise entre 60 % et 90 % de la hauteur totale (H) du corps de parpaing (2), de préférence comprise entre 70 % et 85 % de la hauteur totale (H) du corps de parpaing (2).
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique le parpaing en monobloc ou d'une seule pièce.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on fabrique la troisième couche de parpaing (2c) avec une perméabilité à l'eau qui est réduite d'au moins 30 %, de préférence de 50 % en comparaison de la perméabilité à l'eau de la deuxième couche de parpaing (2b).
  10. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on incorpore dans la première couche de parpaing (2a) un photo-catalyseur, comme par exemple un dioxyde de titane.
  11. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on retire le coffrage après le compactage de la matière à base de béton introduite.
  12. Procédé selon la revendication 11, caractérisé en ce qu'après avoir retiré le coffrage, l'on fait solidifier la matière à base de béton de préférence dans une chambre de séchage.
EP21165991.7A 2020-03-30 2021-03-30 Procédé de fabrication d'un parpaing Active EP3889352B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020108785.3A DE102020108785A1 (de) 2020-03-30 2020-03-30 Betonstein, Flächenbelag sowie Verfahren zum Herstellen eines Betonsteins

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EP3889352A1 EP3889352A1 (fr) 2021-10-06
EP3889352B1 true EP3889352B1 (fr) 2022-11-23

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EP21165989.1A Pending EP3889351A1 (fr) 2020-03-30 2021-03-30 Parpaing et revêtement de surface

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EP (2) EP3889352B1 (fr)
DE (1) DE102020108785A1 (fr)
ES (1) ES2935569T3 (fr)
HU (1) HUE061146T2 (fr)
PL (1) PL3889352T3 (fr)
PT (1) PT3889352T (fr)

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DE102022106481A1 (de) 2022-03-21 2023-09-21 Godelmann Gmbh & Co. Kg Mehrschichtiger Betonstein für einen im Verbund verlegten Flächenbelag sowie Flächenbelag und Verfahren zur Herstellung eines Betonsteins
DE102022108257A1 (de) * 2022-04-06 2023-10-12 Godelmann Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung von Betonsteinen
CN115354548B (zh) * 2022-08-10 2024-04-05 聊城市交通发展有限公司 新旧路面拼接结构及其施工方法

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JP2006283447A (ja) 2005-04-01 2006-10-19 Taiheiyo Precast Concrete Industry Co Ltd 保水性舗装構造
WO2013084487A1 (fr) 2011-12-07 2013-06-13 パナソニック株式会社 Structure de réservoir
DE102012100616B4 (de) 2012-01-18 2013-08-14 Heinrich Klostermann Gmbh & Co Kg Flächenbelag und zugehöriges Fugenmaterial
DE102015117073B4 (de) 2015-10-07 2019-09-19 Heinrich Klostermann Gmbh & Co. Kg Formstein zur Verwendung in einem Flächenbelag und zugehöriger Flächenbelag
KR101673838B1 (ko) * 2016-02-05 2016-11-07 주식회사 더지엘 복합 투수 기능을 구비한 하이브리드형 보차도용 바닥포장 구조물 및 그 제조 방법
NO20180329A1 (en) * 2017-03-06 2018-09-07 Multiblokk As Concrete paving block
KR101923862B1 (ko) * 2018-06-27 2018-11-29 이성우 보강층을 갖는 다층 투수블록 성형장치 및 상기 성형장치로 제작된 다층 투수블록

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HUE061146T2 (hu) 2023-05-28
DE102020108785A1 (de) 2021-09-30
ES2935569T3 (es) 2023-03-08
EP3889351A1 (fr) 2021-10-06
EP3889352A1 (fr) 2021-10-06
PT3889352T (pt) 2023-01-12
PL3889352T3 (pl) 2023-06-12

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