EP3130704B2 - Faserbewehrte rasentragschicht und verfahren zur aufbereitung deren - Google Patents

Faserbewehrte rasentragschicht und verfahren zur aufbereitung deren Download PDF

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Publication number
EP3130704B2
EP3130704B2 EP16183630.9A EP16183630A EP3130704B2 EP 3130704 B2 EP3130704 B2 EP 3130704B2 EP 16183630 A EP16183630 A EP 16183630A EP 3130704 B2 EP3130704 B2 EP 3130704B2
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EP
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Prior art keywords
base layer
support layer
reinforcement fibers
reinforcing fibres
turf
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EP16183630.9A
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German (de)
English (en)
French (fr)
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EP3130704B1 (de
EP3130704A1 (de
Inventor
Maurice HEILER
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Heiler & Co KG GmbH
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Heiler & Co KG GmbH
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Priority to PL16183630T priority Critical patent/PL3130704T3/pl
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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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/02—Foundations, e.g. with drainage or heating arrangements
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • E01C2013/086—Combination of synthetic and natural grass

Definitions

  • the invention relates to a base layer for turf which has reinforcing fibers made of plastic, these reinforcing fibers being essentially non-biodegradable under the environmental conditions when used as a base layer in the soil.
  • the invention also relates to a method for preparing a base layer for lawns.
  • Such a base layer is from the WO2012159145A1 known.
  • Hybrid turf combines the benefits of a natural turf surface with the benefits of reinforcement using synthetic materials.
  • a synthetic fiber-reinforced base layer is first applied to the existing subsoil.
  • the synthetic fibers in this base layer have the task of improving the shear strength of the layer by networking with one another. Mechanical loads when doing sports are thus better absorbed and distributed than with a floor that is not reinforced with fibers.
  • Natural grass is then laid on top of this base layer.
  • the reinforcing fibers of the base layer can also run into the natural turf, which also gives the turf layer additional stability.
  • Such a hybrid turf or its base layer also has a finite lifespan and must be renewed or replaced after a few years.
  • the object of the present invention is therefore to simplify the disposal of used base layers of hybrid turf.
  • a base layer having the features of claim 1 has reinforcing fibers made of a plastic material which is essentially not biodegradable under the environmental conditions when used as a base layer in the soil or otherwise under conditions during normal use of the hybrid turf (e.g.
  • Reinforcement fibers have an activation threshold above which the reinforcement fibers are essentially completely biodegradable, the activation threshold being a temperature higher than 50°C and the reinforcement fibers consist of a material from the group of polyvinyl alcohols (PVA). n. This means that the reinforcing fibers do not change their properties during use in the base layer of a hybrid turf, or only to a very small extent.
  • the reinforcement fibers of a base layer according to the invention have an activation threshold above which these fibers are essentially completely biodegradable and disappear from the base layer.
  • This activation threshold can involve various physical effects. For example, a certain temperature can form this activation threshold. However, a specific humidity or concentration of water or other liquids in the vicinity of the reinforcement fibers can also form this activation threshold.
  • other physical effects such as irradiation with radiation of a certain wavelength, for example UV radiation
  • an activation threshold for the biodegradability of the reinforcing fibers of a base layer also belong to the invention.
  • the biological degradation is initiated by the activation, in particular the molecules of the plastic are decomposed and then, under certain circumstances, further biological degradation or other decomposition or reshaping of the plastic takes place.
  • the activation threshold is usually described by a chemical or physical parameter.
  • the activation threshold can be formed by a combination of two or more physical and/or chemical effects.
  • the activation threshold can consist of a combination of a specific temperature and a specific water content in the vicinity of the reinforcement fibers.
  • the further decomposition of the fission products then takes place by other mechanisms.
  • the further decomposition can take place, for example, by saprobionts. These are organisms that feed on dead material and break it down, reshape it and crush it.
  • This decomposition can take place within the organisms, or by enzymes that the organisms release to the outside.
  • Saprobionts are typical organisms in composting processes. Saprobionts in the form of thermophilic bacteria and fungi have proven to be particularly favorable for biological degradation of reinforcing fibers according to the invention. Such thermophilic creatures are particularly active at elevated temperatures, for example between 45 and 80 °C. However, complete biological degradation of the reinforcement fibers is not limited to degradation by thermophilic organisms. Other microorganisms are also suitable for this purpose, such as those found or used in composting. It is clear that biodegradation, as described, naturally also occurs when an activation threshold is exceeded, which is only defined by a temperature or only by another physical or chemical parameter.
  • a base layer according to the invention thus offers the very advantageous combination of high-quality stabilization function when used in hybrid sports turf with significantly simplified and improved disposal after use in hybrid turf.
  • an activation threshold for the reinforcement fibers which, if possible, is never reached when used in the base layer of a hybrid turf in use. This ensures that no biological degradation of the reinforcement fibers takes place during use in the hybrid turf.
  • care is then taken to ensure that the activation threshold is deliberately and clearly exceeded, so that the then desired biological degradation of the reinforcement fibers can take place.
  • the base layer no longer has any plastic content and can be disposed of or reused at will.
  • the activation threshold is a temperature higher than 50°C, 55°C, 60°C, 65°C or 70°C.
  • the activation threshold from which biological degradation of the reinforcement fibers takes place, is formed by a temperature which is higher than 50°C.
  • This activation threshold can then be 55° C., for example.
  • suitable plastics such as polylactides (PLA), which absorb water molecules to a significant extent from this temperature, which in turn leads to the decomposition and thus the biological degradation of the plastics.
  • PLA polylactides
  • the activation threshold can also be formed by higher temperatures.
  • One way to reach or exceed the activation threshold is to place a used, degraded base course in a composting facility. In industrial composting plants, temperatures of more than 60 °C are often used, since germs are effectively killed above this temperature. The conditions in such a composting plant are therefore also ideal for the degradation of the reinforcement fibers in a base layer according to the invention.
  • the temperature prevailing in the composting plant is well above the activation threshold for biological degradation of the reinforcement fibers and thus ensures safe and rapid degradation of the fibers.
  • an activation threshold can also be formed by lower temperatures, for example in the range of 40° C. or 45° C.
  • the activation threshold depends on the material from which the reinforcement fibers are made and the mechanisms or organisms intended to be used in the degradation or decomposition. Cleverly, such activation thresholds are useful in areas of application that are not reached with normal use as a base layer for a lawn.
  • the reinforcement fibers when used as a base layer in the ground, are stable with respect to UV radiation or water, among other things.
  • the reinforcement fibers are designed in such a way that they are stable with respect to the environmental conditions prevailing during their use in the base layer. This includes that the reinforcement fibers are stable against UV radiation, which is contained in sunlight. This is particularly beneficial when parts of the reinforcement fibers protrude from the ground. If the reinforcement fibers are completely housed or enclosed in the ground and thus normally no UV radiation hits the fibers, this property can be dispensed with and UV light can be used for activation, for example.
  • This resistance to UV radiation can be achieved, for example, by using a UV-resistant, activatable plastic or by adding pigments or by coating them with a UV-absorbing coating in the case of less stable plastics. It is also possible to color the reinforcement fibers green in order to make them inconspicuous within the natural grass. Furthermore, the reinforcement fibers are designed in such a way that they are insensitive to water. As lawns need to be watered regularly to ensure good natural grass growth, the reinforcing fibers are designed in such a way that they do not absorb water under normal conditions of use in hybrid grass. This prevents inadvertent decomposition or swelling with the associated change in the mechanical properties of the fibers.
  • the reinforcement fibers consist of a material from the group of polyvinyl alcohols (PVA).
  • PVA polyvinyl alcohols
  • the reinforcement fibers of the base layer are made of a material that is biologically degradable beyond the activation threshold. Therefore, various biocompatible plastics can be used as a material for the reinforcement fibers.
  • the base layer also has quartz sand and/or natural sand and/or lava and/or topsoil and/or peat and/or natural cork in addition to the reinforcement fibers.
  • the reinforcing fibers serve to strengthen and improve the shear strength of the base course. The higher this shear strength, the higher the possible intensity of use of the hybrid turf and the lower the maintenance effort and required regeneration time.
  • the base layer contains various other materials that provide the other required properties of the base layer.
  • the base layer must be well permeable to water to prevent the hybrid turf from being flooded in heavy rain. For this reason, drainage systems are often installed within the base layer to drain away water.
  • the base layer has the task of ensuring that the hybrid turf remains flat, even with regular use.
  • the base layer contains quartz sand and/or natural sand as the largest component. The proportion of these sands is usually 60 - 80 percent by volume. Grain sizes between 0.02 mm and 4 mm have proven to be particularly favorable.
  • lava can be a component of the base course.
  • Lava is usually added to the base course in a proportion of 0 - 18 percent by volume (volume %).
  • An interval is specified for the proportion of lava, which is described by an upper and lower limit.
  • the following values are provided as the upper limit, for example: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 or 25% by volume.
  • the following values, for example, apply as the lower limit: 0.5, 1, 1.5, 2, 4, 6, 8, 10 or 12% by volume.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • An interval is specified for the grain size of the lava, which is described by an upper and lower limit.
  • the following values are provided as the upper limit, for example: 1, 1.5, 2, 2.5, 3, 3.5, 4, 5 or 6 mm.
  • the following values apply as the lower limit: 0.02, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4, 0.5, 0.7, 0.85, 1, 1.3, 1.5, 1.7, 2, 2.5, 3 or 4mm.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • topsoil Another component of the base layer, in particular in a proportion of 5 - 20 percent by volume, is topsoil.
  • An interval is specified for the proportion of topsoil, which is described by an upper and lower limit.
  • an upper limit the following values are provided: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 28 or 30% by volume.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • Suitable topsoil for a base layer is defined in the DIN 18300 standard as soil class 1 as topsoil or topsoil and contains humus and soil organisms in addition to inorganic material. Flowing soil types, as classified as soil group 2 in the DIN 18915 standard, are also suitable.
  • peat Another suitable component of the base layer is peat, ideally in a proportion of 3 - 11 percent by volume (volume %). Experience has shown that raised bog peat or fine white peat can be used.
  • An interval is specified for the proportion of peat, which is described by an upper and lower limit.
  • the following values are provided as the upper limit, for example: 2, 4, 6, 8, 10, 11, 12 or 13% by volume.
  • the following values, for example, apply as the lower limit: 0.5, 1, 1.5, 2, 4, 6 or 8% by volume.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • a base layer of natural cork in particular with a grain size between 0.5 mm and 20 mm, preferably between 3 mm and 7 mm, can be used.
  • An interval is specified for the grain size of natural cork, which is described by an upper and lower limit.
  • the following values for example, are provided as the upper limit: 3, 5, 7, 10, 12, 15, 17 or 20 mm.
  • the following values apply as the lower limit: 0.5, 1, 2, 3, 4, 5, 7, 10, 12 or 15 mm.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • the proportion of natural cork can range from 0 - 13 percent by volume (volume %).
  • An interval is specified for the proportion of natural cork, which is described by an upper and lower limit.
  • the following values are provided as the upper limit, for example: 2, 4, 6, 8, 10, 12 or 13% by volume.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • the layer thickness of the base layer is between 30 mm and 300 mm, in particular between 60 mm and 200 mm.
  • the base layer can be of different thicknesses depending on where it is used and the desired properties of the hybrid turf. Thicknesses between 60 mm and 200 mm have proven particularly favorable. Thicknesses between 30 mm and 300 mm are also well suited. In addition, however, thinner or thicker base layers are also covered by the invention.
  • An interval is specified for the layer thickness, which is described by an upper and lower limit. The following values are provided as the upper limit, for example: 150 mm, 200 mm, 250 mm and 300 mm. For example, the following values apply as the lower limit: 30 mm, 45 mm, 75 mm, 60 mm and 90 mm. The disclosure of this application encompasses the set of all intervals that consists of all possible combinations of the aforementioned upper and lower limits.
  • the proportion of reinforcement fibers in the base layer is between 0.1 and 4% by weight.
  • the proportion of reinforcement fibers in the base layer is relevant to the shear strength of the base layer.
  • a proportion of between 0.1 and 4% by weight of the reinforcement fibers in the base layer has proven to be particularly favorable for the shear strength.
  • An interval is given for the proportion of reinforcement fibers, which is described by an upper and lower limit.
  • the following values are provided as an upper limit, for example: 2, 4, 6, 8 or 10% by weight.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically correct combinations of the aforementioned upper and lower limits.
  • the length of the reinforcement fibers is between 15 mm and 700 mm, in particular between 30 mm and 500 mm.
  • the length of the reinforcement fibers also influences the shear strength achieved in the base layer.
  • the way in which the fibers are introduced into the base course plays a role. If the fibers are mixed into the base layer before the hybrid turf is applied, other fiber lengths can be optimal than when the reinforcing fibers are added to an already laid lawn or a base layer that has already been laid. Particularly favorable results can be achieved with reinforcement fibers with a length between 30 mm and 500 mm. Good shear strength is also achieved in range between 15 mm and 700 mm achieved.
  • An interval is specified for the length of the reinforcement fibers, which is described by an upper and lower limit.
  • the following values are provided as the upper limit, for example: 90 mm, 100 mm, 150 mm, 250 mm, 300 mm, 350 mm, 400 mm, 450 mm, 500 mm, 550 mm, 600 mm, 650 mm and 700 mm.
  • the following values apply as the lower limit: 15 mm, 30 mm, 45 mm, 60 mm, 75 mm and 100 mm.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically meaningful combinations of the aforementioned upper and lower limits.
  • the thickness of the reinforcement fibers is between 0.05 mm and 2 mm, in particular between 0.1 mm and 1 mm.
  • the thickness of the reinforcement fibers also influences the mechanical strength of the base layer and thus of the hybrid turf. Particularly favorable results have been shown with a thickness of the reinforcement fibers between 0.1 mm and 1 mm. However, there are also very good results for the thickness of the reinforcement fibers in the range between 0.05 mm and 2 mm. In addition, larger or smaller thicknesses of the reinforcing fibers are also disclosed with the invention. An interval is given for the thickness of the reinforcement fibers, which is described by an upper and lower limit.
  • the following values are provided as the upper limit: 1 mm, 1.5 mm, 2 mm, 2.5 mm and 3 mm.
  • the following values apply as the lower limit: 0.05 mm, 0.1 mm, 0.2 mm, 0.4 mm and 0.6 mm.
  • the disclosure of this application includes the set of all intervals, which consists of all possible, technically meaningful combinations of the aforementioned upper and lower limits.
  • the reinforcement fibers are distributed randomly in different directions within the base layer and that there is at least partial interlocking between the individual reinforcement fibers.
  • the reinforcement fibers are present in a disordered manner within the base layer. This means that there is no preferred or conscious direction in which the fibers run.
  • Between the individual fibers present in a disorderly distribution there is at least partial interlocking of the individual reinforcement fibers with one another. The fibers touch each other, hook into each other or are partially wrapped around each other. This creates an interaction between the individual fibers, which corresponds to a kind of cross-linking. This cross-linking or interlocking ensures the desired improvement in the shear strength of the base layer.
  • the hybrid turf can be used much more intensively without excessive wear and requires shorter regeneration times.
  • Such a disordered presence of the reinforcement fibers in the base layer can be produced, for example, by mixing the reinforcement fibers with the other components of the base layer before the base layer is applied to the ground.
  • the base layer, mixed with reinforcement fibers in this way, is then applied to the floor of the sports facility and laid out as the top layer of the natural turf.
  • the random reinforcement fibers in the base layer have proven to be particularly beneficial for stabilizing the root zone of natural grass.
  • reinforcing fibers are subsequently introduced in a random direction into an already created turf structure.
  • a combination of different arrangements of the reinforcement fibers within the base layer is also possible.
  • random reinforcement fibers in the base layer can be used in combination with an ordered layer of fibers in order to create special properties of the hybrid turf.
  • the reinforcement fibers are present in the base layer in the form of a net or fabric.
  • reinforcement fibers are present in the support layer in an ordered form in the form of a net or fabric.
  • Such an ordered shape provides a particularly good improvement in the shear strength of the base layer along the direction of the reinforcement fibers. It is possible here to arrange different net-like or fabric-like arrangements one on top of the other, with the direction of the fiber paths being slightly offset in each case. This in turn allows excellent shear strengths to be generated in different directions.
  • Such net-like or fabric-like reinforcement fibers can be introduced into the base layer, for example, by first distributing a portion of the base layer on the ground, then placing the net-like reinforcement fibers on top and then adding more base layer material.
  • the reinforcement fibers are designed, for example, as rolled goods or web goods and are rolled out on a base. This application of the base layer in layers can, of course, also be carried out with several layers of reinforcing fibers.
  • the object of the invention is also achieved by a method for processing a base layer according to claim 7 according to one of the described embodiments, comprising the method steps: activation of the reinforcement fibers, in particular composting of the base layer.
  • a used base layer of a hybrid turf is prepared with the aid of the method according to the invention.
  • the activation threshold of the reinforcement fibers is exceeded, as a result of which the reinforcement fibers are then biodegradable.
  • the reinforcement fibers which previously behaved stably when used in hybrid turf, are now completely broken down after activation, i.e. after exceeding the activation threshold, so that after a certain time they are no longer present in the base layer.
  • Composting the used base layer has proven to be particularly favorable for activation or for exceeding the activation threshold. In the case of composting, in particular industrial composting, there are environmental conditions which can lead to the activation threshold being exceeded and thus to biological degradation of the reinforcement fibers in the base layer.
  • the activation in particular composting, takes place at temperatures higher than 50°C.
  • the reinforcement fibers are activated by temperatures higher than 50.degree. C., 55.degree. C., 60.degree. C., 65.degree. C. or 70.degree. These temperatures are reached particularly easily in the context of industrial composting, in which temperatures of this level or even higher are normal and common. Due to the fact that the activation temperatures in industrial composting plants are common, options for activating and thus breaking down the reinforcement fibers are easily and inexpensively accessible.
  • the base layer is removed from the ground before activation/composting.
  • the base layer is first removed from the floor of the sports facility and then fed to the activation or composting, where the degradation of the reinforcement fibers then takes place.
  • the base layer is used as biomaterial/soil, in particular for the construction of a base layer according to one of the embodiments already described.
  • the material of the used base layer is used for the construction of a new base layer after the reinforcement fibers have been broken down. This has the advantage that the materials of the old base layer are already mixed with each other in a favorable ratio and therefore little or no effort is required when mixing a new base layer. New reinforcement fibers can then be added to the new base course in the appropriate amount, shape and form, as required, depending on the desired shear strength.
  • the processed material can also be used for other applications, for example in agriculture, horticulture or the like, since it is now free of plastics. Because the material is completely free of plastic residues, it can also be used in nature, for example to create biotopes or the like.
  • a sports floor is to be understood here as the entirety of all layers that form the subsoil for practicing sports.
  • a hybrid turf has proven to be particularly favorable as a sports floor.
  • a sports surface formed by a hybrid turf contains artificial fibers in at least one of its layers and otherwise has a natural structure.
  • the basis of the sports floor shown is a floor 4.
  • a floor 4 is to be understood here as any subsoil that naturally predominates or already exists at the point where the sports floor is laid out shall be. This floor 4 is leveled before the construction of the sports floor and, if necessary, otherwise pretreated, for example compacted, so that it forms a good subsoil for the base layer 1 that follows.
  • the base layer 1 is located, as in 1 can be seen on the ground 4.
  • the turf 3 is normally formed by a natural turf. However, it would also be possible to produce the sports floor shown with a turf 3, with the turf 3 being formed by an artificial turf.
  • Turf 3 is thus to be understood as meaning the area in which the blades of a natural or artificial turf protrude from the base layer 1 .
  • the roots of a turf 3 formed by natural turf are located, at least for the most part, within the base layer 1. In the area of the turf 3, the athletes come into direct contact with the sports ground.
  • Essential for the function of the shown sports floor and the base layer 1 are the reinforcement fibers 2, which are 1 illustrated embodiment of a base layer run substantially vertically.
  • the ends of the reinforcement fibers 2 protrude from the base layer 1 upwards into or through the turf 3. This protrusion of the reinforcement fibers 2 into or through the turf 3 ensures additional reinforcement and thus more intensive usability of the turf 3.
  • the reinforcement fibers 2 also provide reinforcement, which leads to improved shear strength of the entire sports floor.
  • the reinforcement fibers 2 were subsequently implanted from above into the base layer 1 after the base layer 1 and the turf 3 had been applied to the ground 4 . This can be done by hand or with the aid of a device or machine. In the case shown, the reinforcement fibers 2 were picked up by a tool approximately in the middle of their length and then pushed through the turf 3 into the base layer 1 in a vertical direction.
  • the reinforcement fibers 2 can also be introduced into the base layer 1 by other methods or with other aids in such a way that, as in the case shown, they run essentially in the vertical direction.
  • FIG. 2 shows a three-dimensional, sectional view of a second embodiment of a base layer according to the invention in a sports floor.
  • the construction of the sports floor, which in 2 shown consists of the same layers as shown in 1 have already been described.
  • the reinforcement fibers 2 are in the 2 shown embodiment of the base layer 1 disordered and running in different directions. Due to the fact that the reinforcement fibers are disordered and run in spatial directions that change along the course of the fibres, the reinforcement fibers 2 interlock or interlock with one another Shear strength of the base layer 1 and thus the entire sports floor leads. Furthermore, randomly running reinforcement fibers 2 stabilize the root zone of the turf 3 and thereby ensure increased wear resistance of the sports floor.
  • the ends of the reinforcement fibers 2 can protrude out of the base layer 1 and up into or through the lawn 3 .
  • the reinforcement fibers 2 can be colored green so that they can hardly be distinguished from the appearance of the natural blades of grass.
  • the insertion of the reinforcement fibers in the in 2 The illustrated embodiment of a base layer is advantageously carried out before the base layer 1 is applied.
  • the reinforcement fibers 2 can be evenly mixed with the other materials of the base layer 1 before the sports floor is constructed.
  • the reinforcement fibers 2 can also be introduced into the base layer 1 after the turf 3 has been applied.
  • a base layer can also be combined with one another, so that both disordered and ordered introduced reinforcement fibers 2 are present in a base layer 1.
  • the layer structure is identical to 1 and 2 .
  • the reinforcement fibers 2 are in the form of a type of fabric or mesh. This means that the fibers are regularly arranged in a certain way. In the case shown, the fibers run essentially horizontally and either parallel to one another or they form a 90° angle to one another. This arrangement of the reinforcement fibers ensures particularly good strengthening of the base layer in the direction of the reinforcement fibers 2.
  • the strength of the base layer 1 is particularly high in these directions, but lower in other directions. Therefore, several fabrics or meshes made of reinforcement fibers can also be used 2, which are twisted relative to each other with respect to the fiber direction, are introduced into the base layer 1. So that the base layer 1 is strengthened in other directions.
  • the introduction of a net or fabric made of reinforcement fibers 2 can take place particularly favorably during the application of the base layer 1 to the floor 4 . It is also possible parallel to that 3 shown a net or fabric made of reinforcement fibers 2 to provide further such nets or fabrics, one of which can also be provided at the border between the base layer 1 and the lawn 3 .
  • a net or fabric made of reinforcement fibers 2 directly at the border to the turf 3 strengthens the root zone of the turf 3, which in turn increases the wear resistance of the sports floor. Also the in 3
  • the illustrated embodiment of a base layer 1 can be combined with one or both of the embodiments shown in 1 and 2 shown are used in combination.

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EP16183630.9A 2015-08-11 2016-08-10 Faserbewehrte rasentragschicht und verfahren zur aufbereitung deren Active EP3130704B2 (de)

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PL16183630T PL3130704T3 (pl) 2015-08-11 2016-08-10 Zbrojona włóknami warstwa nośna murawy i sposób jej obróbki

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DE102015113210.9A DE102015113210A1 (de) 2015-08-11 2015-08-11 Faserbewehrte Rasentragschicht

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EP3130704A1 EP3130704A1 (de) 2017-02-15
EP3130704B1 EP3130704B1 (de) 2019-07-17
EP3130704B2 true EP3130704B2 (de) 2023-02-22

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EP (1) EP3130704B2 (pl)
DE (1) DE102015113210A1 (pl)
DK (1) DK3130704T3 (pl)
ES (1) ES2750589T5 (pl)
PL (1) PL3130704T3 (pl)
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DK3325703T3 (da) 2016-08-02 2019-10-28 Fitesa Germany Gmbh System og fremgangsmåde til fremstilling af ikke-vævede polymælkesyrestoffer
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness
DE102017113307A1 (de) * 2017-06-16 2018-12-20 Intergreen Ag Sportplatzoberbau und Sportplatz
EP3467203A1 (en) 2017-10-06 2019-04-10 Polytex Sportbeläge Produktions-GmbH Compostable turf with decomposition inhibitor
DE102019115810A1 (de) * 2019-06-11 2020-12-17 EuroSportsTurf GmbH Maschine und Verfahren zum Bearbeiten einer Tragschicht eines Rasenplatzes
EP3959966A1 (de) * 2020-08-31 2022-03-02 Gebrüder Peiffer GbR Fertigrasen - Zuchtbetrieb Naturfaserverstärkter rollrasen
IT202200023790A1 (it) * 2022-11-18 2024-05-18 Biopolymer Swiss Ag Manto erboso ibrido

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EP3130704B1 (de) 2019-07-17
ES2750589T5 (es) 2023-06-19
EP3130704A1 (de) 2017-02-15
PL3130704T3 (pl) 2020-03-31
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