EP1029984A1 - Elément de mur anti-bruit - Google Patents

Elément de mur anti-bruit Download PDF

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Publication number
EP1029984A1
EP1029984A1 EP00103289A EP00103289A EP1029984A1 EP 1029984 A1 EP1029984 A1 EP 1029984A1 EP 00103289 A EP00103289 A EP 00103289A EP 00103289 A EP00103289 A EP 00103289A EP 1029984 A1 EP1029984 A1 EP 1029984A1
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EP
European Patent Office
Prior art keywords
plate
segments
curvature
segment
sectional profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00103289A
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German (de)
English (en)
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EP1029984B1 (fr
Inventor
Bernd Dr. Oleiko
Norbert Dr. Brand
Klaus Oberländer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
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Roehm GmbH Darmstadt
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Publication of EP1029984A1 publication Critical patent/EP1029984A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0017—Plate-like elements

Definitions

  • the invention relates to a noise protection wall segment, for example for roads, highways or railways u.
  • the noise barrier wall segment from one or several transparent plates, preferably made of Plastic material, and the transparent plates fixing means exists.
  • Noise protection walls, walls or noise protection facades are used. Because of the large space requirement of ramparts, these are preferably heaped up in open terrain, in inner-city area, for bridge structures and often on the other hand, noise barriers also come on rail lines or facades for use.
  • a generic noise barrier segment is e.g. B. from known from DE 42 30 786 A1.
  • the segment presented there consists of two vertical posts and one on the edge essentially rectangular frame, the edge of the vertical post is attached, and from an in essential rectangular sound absorbing plate.
  • the frame has two vertical frame bars and one the two upper end areas of the two vertical frame bars connecting and attached to this front Stiffening bar on, which is also the top two End areas of the two vertical frame bars on these Connects tightly and which is demountable.
  • the substantially rectangular sound absorbing plate is in the frame insertable dimensions and detachable in this supported.
  • the in the plastic sound absorbing plate inserted into the frame up to 50% higher than the frame or vertical Frame spars can be, so that at a given segment height the frame must have a height that is about 2/3 of the height of the Sound absorption plate is.
  • the technology of the present invention is therefore the The task is based on a noise protection wall segment at the beginning to provide the genus mentioned, the one to give an "optically lighter" impression at the same time but is sufficiently stable against wind loads.
  • the new noise barrier wall segment is also intended to be industrial be prefabricated, and the prefabricated segments should easy to transport, assemble and disassemble and if possible be easily interchangeable.
  • noise barrier segments with simple means against splintering in the event of breakage should also be, in addition to protecting against Collisions with flying birds should be able to be trained.
  • the creation of a noise barrier a task using noise barrier segments of the invention, the new noise barrier being transparent, optically inconspicuous and barely noticeable should.
  • the new noise barrier should also easy to manufacture, easy to repair and inexpensive to maintain.
  • the invention is also intended to be a method for Manufacture of noise protection wall segments and for manufacturing of noise barriers from such segments.
  • Noise barrier wall segments according to the invention are in the Claim 1 dependent claims under protection posed. Further claims relate to the Noise barriers available according to the segments of the invention. in the With regard to the procedural problems, the corresponding procedural claims solutions for the Problems underlying the invention. Beneficial Process modifications are the subject of the independent procedural claims.
  • the segment according to the invention has a transparent plate that is formed around a vertical.
  • the vertical corresponds to a perpendicular to the later Installation area of the assembled noise barrier.
  • “Curvature” means, for example, a curvature of the segment or a shell-like shape or design in the vertical direction of the segment.
  • the curvatures can be described with relatively large radii in relation to the thickness of the transparent plate of the segment.
  • Folding means, for example, a kink in the vertical direction of the segment, which can be described with a radius that is relatively small in relation to the thickness of the plate or - depending on the manufacturing variant - with an angle.
  • Noise barrier wall segment provides that the plate shaped, d. H. is arched and / or folded that occurring loads, especially wind loads, without use of posts, support or arranged between two segments Structures can be taken up and in base and / or Foundations can be derived.
  • the design of the transparent part of the segment according to the invention This allows a noise barrier to be made corresponding segments, no posts, Supporting or supporting structures between the individual segments needed. This is achieved in that the shaping, d. H. the curvature and / or folding from the wall level out, the supporting function is suitable, for example to take over a post.
  • Noise barrier wall segment can be quite easily by Describe the cross-sectional profile of the plate.
  • the plate of the segment of the invention is expedient such as a perpendicular to the installation area of the Segment formed in a noise barrier that the Cross-sectional profile of the transparent plate of the segment partly with radii of curvature or angles between Sections or over its entire course with one or describe more radii of curvature.
  • the consequently, transparent plate can have multiple curvatures and / or have kinks, with areas in between may lie in the form of the prior art Technology correspond to known plate-shaped segments.
  • the transparent plate of the segment is continuously curved and has no kinks. Also a z. T. with Wrinkled or folded plate, none with Radius of curvature has writable curvature possible.
  • a special embodiment of the noise barrier wall segment the invention completely dispenses with kinks or Folds and only sees a curvature of the plate in Form of a curvature.
  • This curvature can be seen on hand describe only one radius of curvature, d. that is, the curvature of the cross-sectional profile is over the entire length of the Segment essentially the same.
  • the cross-sectional profile the transparent plate has a course that the Section of a circumference corresponds to the circle of the Has radius of curvature as a radius.
  • Noise barrier segment concerns transparent panels, which have curvatures or kinks in just two areas exhibit.
  • the areas mentioned are nearby the left or right edge of the segment.
  • the respective distances to the right or left edge can be the same, but this is not absolutely necessary.
  • segment comprises three Sections that act as left, right, and central sections can be designated. Lies within these sections no further curvature or kink, rather, they correspond to those from the prior art known plate-shaped segments.
  • the right and left Sections are suitable, the function of a post or the like. to take over, d. that is, the attacking loads are over this led into the foundation.
  • the angle between that right or left section and the central section of the segment can be chosen freely, but lies advantageously between ⁇ 180 ° and 90 °. angle below 90 ° are also possible, but less prefers.
  • the Noise barrier wall segment according to the invention has the transparent plate in two areas folds in the form of Curvatures or kinks, each near the left or right edge of the segment are provided.
  • the respective distances to the right or left edge can be the same, but this is not absolutely necessary.
  • segment comprises three Sections that act as left, right, and central sections can be designated.
  • the central section also has an embodiment Forming, namely preferably a curvature, which through indicates a curvature of the same. This curvature can the same over the entire length of the central section be d. that is, it can be done with only one radius of curvature describe (first case), or vary (second case).
  • the cross-sectional profile of the central one Section of the plastic plate thus a course that corresponds to the section of a circumference whose Radius equal to the radius of curvature in the central section is.
  • This radius of curvature is over large areas in the essentially freely selectable, however in the Practice depending on the manufacturing process and in Depends on the thickness of the panels used especially for the case of plastic sheets, in particular made of acrylic glass, a radius as particularly useful proved which is not two hundred times the thickness falls below.
  • the radius is preferably greater than or equal to three hundred times the plate thickness, if as transparent material used for the plate acrylic glass becomes.
  • Particularly favorable radii for an approximately 20 mm thick plate made of acrylic glass for the middle plate section are in the range from 6 * 10 3 mm to 12 * 10 3 mm.
  • the radius of curvature can over the Change entire length of the central section, with the Possibility is included that individual areas of the central section have no radius of curvature, but correspond to non-curved plates.
  • the angle between the right or left section and the central section of the segment can be chosen freely, but is advantageously between ⁇ 180 ° and 45 °, expediently between 135 ° and 60 ° and especially advantageous between 120 ° and 75 °.
  • the plate of the Noise protection wall segment must be transparent. Therefor basically glasses or glassy materials come in Question. Glasses are general substances in amorphous, non-crystalline solid state. In the narrower sense according to the Invention are primarily inorganic or organic Glasses usable.
  • the inorganic glasses are mostly oxidic melt products by a freezing process without crystallization of the melt phase components in the solid state are transferred.
  • the temperature of the freezing process becomes Characterization of the glasses used u. expresses itself e.g. B. as a change in thermal expansion at Cooling or heating a glass. As part of the Invention is the temperature at which this change occurs as a glass temperature or transformation temperature Designated Tg.
  • This technical glass preferably consists of cooled melts of silicon dioxide (SiO 2 ), calcium oxide (CaO), sodium oxide (Na 2 O) with z. T. larger amounts of boron trioxide (B 2 O 3 ), aluminum oxide (Al 2 O 3 ), lead oxide (PbO), magnesium oxide (MgO), barium oxide (BaO), potassium oxide (K 2 O) and other additives.
  • inorganic glasses especially the silicate glasses
  • organic glasses are organic glasses.
  • it is amorphous plastics that due to special optical properties (transmission, Refractive index, dispersion, opt. Homogeneity) inorganic glass can advantageously substitute.
  • It is about such polymers, especially around thermoplastics, but also thermosets, e.g. B. are those based on epoxy resin principally suitable for use as glasses.
  • the most important organic glasses for the formation of plates in the segments according to the invention are polymethyl methacrylates ( Acrylic glass "), polycarbonates, polyvinyl chloride, polystyrenes and similar substances.
  • the Noise barrier wall segment according to the invention Plastic plate made of acrylic glass.
  • the acrylic glass is for the Use as a transparent part of an inventive Noise barrier segments compared to other organic Glasses are particularly suitable because they are high Translucency, transparency, scratch resistance, high Stiffness and high modulus of elasticity distinguishes and thus alongside Light and weather resistance the essential Requirements for the transparent part of the segment according to the invention.
  • An acrylic glass plate preferably has one Noise barrier wall segments according to the invention, threads, grids or Nets made of polyamide, polypropylene or another with the Matrix plastic incompatible plastic.
  • the embedded polyamide threads are characterized by a high strength and are at a certain distance arranged parallel to each other, which results from the size of the resulting splinters when such a break Acrylic pane results.
  • the orientation of the rectilinear running threads is freely selectable, but it will an orientation perpendicular to the installation area recommended. In principle, however, would also be one Arrangement of the threads conceivable, in which the threads are on Cross due to two orientations and thus a network or a grid is formed.
  • the high-strength threads work in In the event of a break in the formation of free fragments contrary, d. i.e., the occurrence of dangerous Fragments are avoided. Additional safety devices are therefore not necessary, leading to a leads to less expensive construction.
  • Noise barrier wall segments according to the invention also have a transparent plate over fixing means. This serve to set up and arrange the segments and Formation of walls, which segments according to the invention have and / or for fastening the transparent Slabs of prepared receptacles, foundations, bases, Bored piles, driven piles or other foundation measures.
  • the fixing means themselves also include Bases, frames, bolts, bars, fastenings in the form of Screw connections, tension wires and the like.
  • the segment is the Invention characterized in that the fixing Medium shaped concrete parts are used for the fastening of the Plates prepared in the form of depressions, Have grooves, grooves, bores or the like.
  • the plates can be bolted or screwed fasten.
  • usable concrete parts can be made from known Concrete, wood concrete or polymer concrete exist.
  • Polymer concrete has high tensile and Compressive strength and shows strong resistance to chemical corrosion and frost.
  • the polymer binder can be mixed into the mixture as the only binder, .z. B. Epoxy concrete, or it can be added along with water be like in polymer cement concrete.
  • a concrete base adapted to the shape of the slab, Polymer concrete or wood concrete, preferably polymer concrete, provided, which is about a height measured from the foundation in Range from 0.3 to 1.5 m, expediently 0.5 to 1 m, particularly preferably has 0.6 to 0.8 m.
  • the base of the Noise protection wall segment has channel-shaped depressions, Grooves or shots on which to hold a prepared near the base section of the transparent plate are. In this way, about 10 to 30 cm transparent plate clamped in the base or clamped and screwed together with the base or fixed in any other way. It is useful transparent plate thus clamped in the concrete base and fixed.
  • the noise barrier wall segment made of transparent plate and The base can then easily be anchored to the floor.
  • pile foundations are relatively sufficient large distances of about 6 to 12 m, at Noise protection wall segments with plastic panels that are about 3 m Cover length.
  • Noise protection wall segments according to the invention are not for Invention belonging noise protection elements in principle can be combined. Furthermore, the described segments according to the invention also modified further certain intermediate parts or elements are combined, that allow the creation of transparent posts.
  • the claimed noise barrier in which the described noise protection wall segments are used, is particularly characterized by its simple structure out.
  • Said wall has one or more segments. These segments are along a line of formation built that the left side of each segment adjacent to the right side of the other segment. Under right or left side is the extreme right or understand left dimension, d. that is, it must be on the ground of the different design forms of the segments inevitably around the right or left edge of the act transparent plate. Between each Segments will both on fasteners and on Holding post dispensed and only on the sides of the first and last segment is a holding post and / or structure provided. Between these two Holding posts and / or structures is an installation line provided along which the segments are lined up are.
  • the length of the line-up is preferred smaller than the total length of the used, directly lined up segments, so that these favorably can be installed preloaded. Due to the The inserted segments press with their pre-tension Sides against each other and stabilize the noise barrier. Alternatively, the pages can be spaced apart and with each other screwed or otherwise attached. On the two The holding posts and / or take the ends of the noise barrier Support the load.
  • noise protection wall segments can be arranged mutually support a noise barrier, at the beginning and at the end of a wall or a desired section Limiting posts are provided for further stabilization his.
  • the plinth can preferably be in frictional contact with each other.
  • Preferred variants of noise barriers according to the invention relate, inter alia, to those embodiments in which two segments each with fasteners such are connected that these two segments one Hold posts form between adjacent segments the noise barrier is over and over with it Fasteners is connected. This enables one Modification of the transparent post.
  • the segments that the Form support posts have a cross-sectional profile that a curvature or kink in just one area has, so that the cross-sectional profile a right and includes a left section.
  • the right and left sections preferably an angle between ⁇ 180 ° and 90 °. It is particularly useful that the angle between the right and left sections 90 °, with the segments between the support posts are non-curved, flat plates.
  • a noise barrier is also part of the invention, in which segments according to the invention in two or more Rows, either alone or in combination with not transparent plates or segments according to the invention, are arranged one above the other.
  • a series of ground level At least one segment according to the invention can be segments Have noise barrier segment, while one on it set row of transparent plates attached to it can be.
  • the noise protection elements or segments according to the invention can be manufactured in different ways. Depending on, whether the transparent plate made of inorganic or organic glass is made, come different or similar variants in question. Generally speaking however, proceeded so that the transparent part was shaped and is then assembled with fixative means.
  • Particularly preferred manufacturing processes for plastic sheets, especially acrylic sheets are the so-called chamber process, or its variant the so-called Rostero process (see Ullmann 5th edition, keyword Casting of Acrylic Glass "), the water bath process or polymerisation in an autoclave.
  • compositions preferably compositions that are ethylenic unsaturated monomers and / or prepolymerized monomers (Syrups). These preferably have Compositions of monomers or syrups that are used for Production of so-called organic glasses or artificial glasses are suitable.
  • the can be contained in the polymerizable compositions belong u. a.
  • styrenes substituted styrenes with an alkyl substituent on the ring, such as Vinyl toluene and p-methyl styrene, halogenated styrenes, such as for example monochlorostyrenes, dichlorostyrenes, Tribromostyrenes and tetrabromostyrenes, vinyl and Isopropenyl ether, maleic acid derivatives, such as Maleic anhydride, methyl maleic anhydride, maleimide, Methyl maleimide, and dienes such as 1,3-butadiene and divinylbenzene, preference is given to acrylic esters, Methacrylic acid ester, vinyl acetate, vinyl chloride, Vinylidene chloride, styrene, ⁇ -methylstyrene, halogen substituted styrenes, vinyl ethers, isopropenyl ether and dienes,
  • Very particularly preferred embodiments are characterized in that a (meth) acrylate-containing resin with the composition is used as the polymerizable composition (Meth) acrylate (A) 20 - 99.9% by weight Comonomers (B) 0 - 79.9% by weight polymers (C) soluble in (A) or (8) 0.1 - 70.0% by weight and based on 100 parts of components (A) - (C) Initiators (D) 0.1 - 5 parts by weight usual processing aids (E) 0 - 10 parts by weight starts.
  • Method Metal acrylate-containing resin with the composition
  • A 20 - 99.9% by weight Comonomers
  • B 0 - 79.9% by weight polymers
  • C soluble in (A) or (8) 0.1 - 70.0% by weight and based on 100 parts of components (A) - (C) Initiators (D) 0.1 - 5 parts by weight usual processing aids (E) 0 - 10 parts by weight starts.
  • (Meth) acrylate denotes acrylic and / or Methacrylic compounds, such as these previously were called.
  • Comonomers are compounds with (Meth) acrylates are copolymerizable. This includes among other things, the above-mentioned monomers, which none Are (meth) acrylate.
  • Polymers that are dissolved in the polymerizable mass can be included for example polymers or copolymers of o. g. monomeric components. Initiators and Processing aids are described below.
  • the above monomers can also be used as mixtures as well as in pre-polymerized form, as so-called syrups, be used.
  • the polymerizable compositions can be the usual additives contain.
  • the following additives are examples called: antistatic agents, antioxidants, mold release agents, Flame retardants, lubricants, dyes, Flow improvers, fillers, light stabilizers and organic phosphorus compounds such as phosphites or Phosphonates, pigments, weathering agents and Plasticizers.
  • the additives are in the usual amount, i. i.e., up to 80 wt .-%, preferably up to 30 wt .-%, based on the Total mass used. If the amount is greater than 80% by weight, based on the total mass, can Properties of the polymerizable mass, such as for example, the processability.
  • Those used in the chamber process or the Rostero process Shapes generally have at least some of them Inner surface made of inorganic glass.
  • Form in this context is to be understood to mean all forms which are usually used. This form can be composed of different parts, one part of the form having a glass surface. The term at least partially "states that the proportion of the glass surface, based on the entire inner surface of the mold, is at least 10%, preferably more than 30% and very particularly preferably more than 80%.
  • a preferred form comprises two Glass panels, a ceiling panel and a floor panel attached to the sides sealed with suitable measures and be separated, such as B. ribbons or piping cords.
  • the Glass plates can, for example, with metal clips are held together and have, for example, a Area of 2 m * 3 m or 2 m * 4 m and a thickness of approx. 2 to 30, preferably 4 to 20 mm.
  • multiple chambers in particular Double chambers, known to have a layered structure have, with the middle glass panels on both sides to have contact with the polymerizable mass.
  • the polymerization can be free-radical or ionic, radical polymerization is preferred. She can be thermal, by blasting and by initiators take place, preferably using initiators, which form radicals.
  • the respective conditions of the Polymerization depend on the monomers chosen and the Initiator system and are widely used in the professional world known.
  • azo initiators such as AIBN or 1,1-azobiscyclohexane carbonitrile
  • peroxy compounds such as Methyl ethyl ketone peroxide, acetylacetone peroxide, ketone peroxide, Methyl isobutyl ketone peroxide, cyclohexanone peroxide, Dibenzoyl peroxide, tert-butyl peroxybenzoate, tert-butyl peroxyisopropyl carbonate, 2,5-bis (2-ethylhexanoylperoxy) -2,5-dimethylhexane, tert-butyl peroxy-2-ethylhexanoate, tert-butyl peroxy-3,5,5-trimethylhexanoate, 1,1-bis (tert-butylperoxy) cyclohexane, 1,1-bis (tert-butylperoxy) 3,3,
  • the molded body After receiving the molded body, it is removed from the mold, i. H. he is taken out of shape. This process is from the used form dependent and known per se.
  • the Demolding can be done by external or internal Mold release agents are promoted.
  • the chamber method is particularly suitable as is the Rostero process also for the production of plate-shaped Noise protection segments made of plastic with internal, in the surrounding plastic matrix embedded threads, preferably from another incompatible Plastic material that arises in the event of a break Keep fragments together for the most part.
  • a very useful variant provides, for example, that you can get at least two flat plates with one Angular element (folded element) merges, for. B. by gluing. This joining can be done easily Way to get any angle.
  • So plate-shaped transparent elements can be due their preferably thermoplastic behavior warm be deformed. As a result, larger angles are preferred, Bends or redirections created that are relatively small Radii correspond. So are warm bending radii from about 20 to 70 mm, preferably 30 to 50 mm, with a plate thickness of about 20 mm possible. In addition, there is also the Possibility of cold forming, where appropriate also prestressed elements or segments are available.
  • a plurality of segments that are prestressed in this way can then be lined up next to one another so that the Segments essentially laterally against each other and at the Ends of the wall or at freely selectable intervals Support the support post.
  • the one for preloading and fixing The clamping and holding elements used then only have to the actual installation of the noise protection segments finished noise barrier can be removed in place.
  • a noise barrier wall segment 1 with embedded threads 2 is exemplarily shown in perspective.
  • the plastic plate 3 is curved around a perpendicular 4 to the installation surface 5 of the segment 1.
  • the plastic plate 3 also has an area 6, which is in the vicinity of the left edge 7 of the plastic plate 3, and an area 8, which is in the vicinity of the right edge 9 of the plastic plate 3.
  • the plastic plate is strongly curved in both regions 6, 8, so that the plastic plate comprises a left section 10, a right section 11 and a central section 12.
  • the shape of both sections 10, 11 corresponds to a flat, non-curved surface, while the central section 12 forms a curved plane with only one radius of curvature r 1 over its entire length.
  • angles ⁇ and ⁇ between the left and the right and the central section are of the same size, but can certainly take different values.
  • the values are advantageously in the range between 180 ° and 75 °.
  • the curvatures in the left region 6 or in the right region 8 can be described with the help of the radii of curvature r 2 or r 3 .
  • the embedded threads 2 run parallel to one another and perpendicular to the installation surface 5 from the lower edge 13 to to the upper edge 14 of the noise barrier segment 1.
  • the Distance a between adjacent threads results from the splintering behavior of the used Plastic plate. For common noise barriers, the is Distance a about 30 mm.
  • FIG. 2 shows the cross-sectional profile of a noise barrier wall segment, which is provided with several different curvatures over its entire course.
  • the cross-sectional profile has changing radii of curvature r 4 , r 5 , .... r i in its entire course.
  • the radius of curvature increases from the left edge 7 to the center 15 of the cross-sectional profile and becomes smaller again in the direction of the right edge 9.
  • Such a course is by no means absolutely necessary, moreover, the symmetry shown here need not be given.
  • FIG. 3 shows a cross-sectional profile of a noise protection wall segment which has only one curvature over its entire course.
  • a profile of the cross-sectional profile can be described with only one radius of curvature r 1 .
  • Said course is identical to a circular circumference section whose circle has the radius of curvature r 1 as the radius.
  • FIG. 4 is a cross-sectional profile of a Noise protection wall segments shown, the Plastic panel of the segment only in two areas 6,8 Has kinks.
  • the mentioned areas 6,8 are each in the vicinity of the left edge 7 or the right edge 9 of the Segment provided.
  • the distance b of the area 6 to left edge 7 and the distance c of area 8 to the right Edge 9 are the same size in this example, but this is not mandatory.
  • Through the two kinks in the two areas 6, 8 of the plastic plate comprise this one left section 10, right section 11 and one central section 12, within which no further Curvature or no further kink is present.
  • the angle ⁇ between the left section 10 and the central Section 12 or the angle ⁇ between the right Section 11 and the central section 12 can each can be chosen freely, but is advantageously between 180 ° and 75 °.
  • Fig. 5 shows a similar cross-sectional profile of a Noise protection wall segment as shown in Fig. 4. in the In contrast to this, the plastic plate has none Bend in the areas near the edge 6,8, but Curvatures. For the distances b, c, the angles ⁇ , ⁇ and The nature of sections 10, 11, 12 applies to the Cross-sectional profile in Figure 4.
  • FIG. 6 also shows a similar cross-sectional profile of a noise protection wall segment as shown in FIG. 4.
  • the central section 12 of the plastic plate also has a curvature which is characterized by a curvature thereof. 6, the curvature is the same over the entire length of the central section 12, ie it can be described with only one radius of curvature r 1 .
  • Claim 7 also includes a design that provides different curvatures within the central section 12. The possibility is also included that some areas in the central section 12 do not have a radius of curvature, since these are non-curved, flat plates. Regarding the angles ⁇ and ⁇ , it should be noted that these are freely selectable and are advantageously between 180 ° and 75 °.
  • the information given for the cross-sectional profile in FIG. 4 applies to the distances b, c and the nature of the sections 10, 11.
  • FIG. 7 shows a similar cross-sectional profile of a noise protection wall segment as shown in FIG. 6.
  • 6.8 curvatures are provided, each of which can be described using the radii of curvature r 2 for the curvature in the region 6 and r 3 for the curvature in the region 8. Otherwise, the information given for the cross-sectional profile in FIG. 6 applies.
  • Fig. 8 are three noise barrier wall segments 1 in cross section shown.
  • the ones lined up directly, not Prestressed segments 1 have an overall length d.
  • the Distance e between the support posts 16 is smaller than the total length of the segments that run along the Line 17 are to be positioned.
  • 9a shows the segments 1 used, the Total length d by preloading the distance e between the support post 16 is reduced. It can be seen that the segments 1 compressed in this way have smaller angles ⁇ and ⁇ than before installation.
  • 9b is one Embodiment shown in which another Embodiment of the basic element for a noise barrier was put together. A single element has three Sections, of which the two sections near the edge 10,11 can be obtained by hot bending the plate (Folding), while the middle or central section 12 is biased cold and thus arched.
  • Fig. 10 shows a section of a top view of a special embodiment of the invention Noise barrier.
  • the noise barrier shown has Noise barrier wall segments 1, which is one shown in Fig. 7 Have cross-sectional profile. Are between segments 1 Retaining posts 18 are provided, consisting of two with Connecting means 19 connected, according to the invention Noise protection wall segments 1 are composed.
  • segments 1 of the holding post 18 only have one Area a kink on so that the segments 1 a Have a cross-sectional profile in a flat V-shape.
  • the two connected V-shaped segments 1 lead to the Y-shaped Appearance of the support post 18 in plan view.
  • the Support posts 18 are in the foundation (not shown) anchored while the 18 lying segments 1 with connecting means 19 on these be attached.
  • Fig. 11 shows a section of a plan view of a special embodiment of the invention Noise barrier which, in contrast to that in FIG. 10 shown noise barrier also segments 20 after the Has state of the art.
  • the segments 20 after State of the art is flat, neither curved plates still broken.
  • the segments 20 are in the shown wall with connecting means 19 with holding posts 18 connected, each between the segments mentioned 20 are provided.
  • the support post 18 consist of how already described in Figure 10, with two Connecting means connected V-shaped segments 1, however, the individual segments 1 have a V shape right angle so that the support post 18 in the Top view have a T shape.
  • Both in Figures 10 and 11 shown embodiments of the noise barrier holding posts 18, but these are transparent, which gives the overall impression of transparent Wall is not changed or only slightly changed.
  • the following exemplary embodiments demonstrate the advantageous ones Properties of the noise protection elements according to the invention.
  • a chamber with 20 mm thick piping is placed in the Rostero oven built. This chamber was placed at a distance of 30 mm Polyamide cords inserted. The diameter of the used Polyamide cords were 2 mm. This chamber made in this way was containing a radical-forming initiator Filled with methyl methacrylate syrup. After filling the Evacuated chamber and by heating to 50 ° C Polymerization started. Due to the vertical arrangement of the The polyamide cords were parallel to the polymerization chamber stretched to the surface and embedded. After more complete Hardening of the plate was removed from the mold. You get one Plate (2) with the dimensions 2 x 4 m and with a thickness of 20 mm with nylon threads embedded in the plastic matrix.
  • the procedure was as in Example 1, only with the Difference that instead of the monofilament polyamide threads Polyamide grid made of monofilament threads with a diameter of 2 mm and a mesh size of 50 x 50 mm has been.
  • the plate obtained had a thickness of 20 mm and is referred to as plate (3).
  • the plates (1) to (3) were used according to the invention Noise protection segments (4), (5) and (6).
  • the plates are then thermoformed. For this you can put the plate on a roller table, which fully supports the plate. At a distance of about 0.5 m, based on the two 2 m long edges of the respective plate, is through above and below the plate arranged heaters, for example IR illuminator, the plate approximately in a range of 10 cm strip-like over the entire length of 2 m on one Temperature above the glass transition temperature Tg of the material of the Brought plastic matrix. Then in the area mentioned thermoplastic material is made on a prepared wood mold placed on both sides at angles of is bent by about 74 °. The plate lies under the Influence of gravity on the wood form and adapts to their geometry. The heated zones are cooled under pressure so that as possible low-tension or even tension-free bending zones result. In particular, slow cooling, i. H. a low cooling rate, and / or tempering too less stressed plates.
  • slow cooling i. H. a low cooling rate, and / or tempering too less stressed plates.
  • the plates obtained are jacked again.
  • the warmly bent plates over the entire width of 2 m on both sides like this supports that the bent plate sections after point up, away from jacking.
  • the jack height of the central plate part is conveniently so chosen that the distance from plate to floor in this Area of maximum curvature aimed at during cold bending corresponds.
  • the plate jacked up in this way becomes central loaded with a load so that the required or maximum possible radius results.
  • the cold bent plate under load becomes fixed by means of a clamping device and then on one or attached to a prepared base.
  • Tensioning device acts for example a wire rope, which is equipped at both ends with shoes that over the now vertical, folded posts inserted become.
  • the clamping device remains until final assembly the lined up noise protection wall segments or elements on the plate.
  • the plates thus obtained were subjected to a pendulum impact test.
  • a steel bulb is raised from 400 kg to 1.6 meters in order to carry out this test, thereby destroying the plate.
  • the evaluation criterion is the occurrence of free fragments that are no larger than 25 cm 2 and have an angle of ⁇ 15 °.
  • the one with the transparent plates according to the invention shaped segments are divided into three sides Steel frame construction installed. At every corner of the plate there is a hole at a distance of 15 cm which leads to the Capture capture is used, d. that is, it becomes a Steel rope used through the four holes of the Acrylic sheet is pulled and attached to the frame structure is attached. This structure corresponds to the normal one Installation of a transparent noise barrier.
  • the distance from of the acrylic glass plate is up to the energy consumption wall 1.24 m. Usually the pear smashes the Acrylic sheet and is then through this wooden wall slowed down.
  • the acrylic glass was covered with the "bulb", which is 1.6 m Height hits the plate, destroyed.
  • the pear consists of two butt welded spherical stumps.
  • the Impact speed was 5.6 m per second, that Energy 6,278 joules.
  • the measurement was made both at 20 ° C and also carried out at -20 ° C; in both cases, none free fragments. For the break result it is irrelevant whether the thread deflection in the direction Destructive body or turned away from it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Sewage (AREA)
  • Domestic Plumbing Installations (AREA)
  • Inorganic Insulating Materials (AREA)
  • Tires In General (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP00103289A 1999-02-19 2000-02-18 Elément de mur anti-bruit Expired - Lifetime EP1029984B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19906989 1999-02-19
DE19906989A DE19906989A1 (de) 1999-02-19 1999-02-19 Lärmschutzwandsegment

Publications (2)

Publication Number Publication Date
EP1029984A1 true EP1029984A1 (fr) 2000-08-23
EP1029984B1 EP1029984B1 (fr) 2006-09-06

Family

ID=7898033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103289A Expired - Lifetime EP1029984B1 (fr) 1999-02-19 2000-02-18 Elément de mur anti-bruit

Country Status (10)

Country Link
US (1) US6305492B1 (fr)
EP (1) EP1029984B1 (fr)
JP (1) JP2000240016A (fr)
CN (1) CN1237231C (fr)
AT (1) ATE338849T1 (fr)
CA (1) CA2299027C (fr)
DE (2) DE19906989A1 (fr)
HK (1) HK1029610A1 (fr)
PL (1) PL199086B1 (fr)
TW (1) TW522196B (fr)

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Publication number Priority date Publication date Assignee Title
EP1842977A1 (fr) * 2006-04-03 2007-10-10 Vincenzo Tognaccini Panneau transparent à absorption sonore
DE102010028317A1 (de) 2010-03-04 2011-09-08 Evonik Röhm Gmbh Durchsturzsichere Formkörper
DE102012111244A1 (de) 2012-11-21 2014-05-22 Kemper System GmbH & Co. KG Durchsturzsicherung für Dachlichtelemente und dergleichen Konstruktionen und Flüssigkunststoff hierfür
EP2824239A1 (fr) 2013-07-10 2015-01-14 Center of Excellence for Polymer Materials and Technologies (PoliMaT) Panneaux de polymère renforcé

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DE10238992A1 (de) * 2002-08-20 2004-02-26 Röhm GmbH & Co. KG Lärmschutzplatte aus Acrylglas
DE10312783A1 (de) 2003-03-21 2004-09-30 Röhm GmbH & Co. KG Lärmschutzwandsystem aus einem Sockel und einem transparenten Aufsatz
DE10356291B4 (de) 2003-11-28 2006-01-05 Eurovia Beton Gmbh Nl Teco Schallschutz Schallschutzelment
US7220077B2 (en) * 2004-04-06 2007-05-22 Cyro Industries Traffic noise barrier system
US20070062902A1 (en) * 2005-09-21 2007-03-22 Kroll Robert C Cylindrical protector
EP1889975A1 (fr) * 2006-08-16 2008-02-20 Calenberg Ingenieure planmässig elastisch lagern GmbH Dispositif d'amortissement des bruits
US8083023B1 (en) * 2010-03-29 2011-12-27 Joab James Perdue Drum booth and kit for its construction
PT2619370E (pt) * 2010-09-21 2016-02-16 Plazit Iberica Plastic Solutions S A Painéis de vidro acrílico reforçado
US8642869B2 (en) * 2011-08-16 2014-02-04 Luc Prefontaine Sound reduction enclosure for hi-hat cymbals
CN103114665B (zh) * 2013-02-26 2016-03-09 深圳市易尚展示股份有限公司 一种多功能展示墙
WO2017075301A1 (fr) * 2015-10-30 2017-05-04 Corning Incorporated Appareil et procédés de test de résistance aux chocs de matériaux
US11016590B2 (en) 2017-01-03 2021-05-25 Corning Incorporated Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same
EP3686004B1 (fr) 2017-01-03 2021-12-08 Corning Incorporated Systèmes intérieurs de véhicule dotés d'un verre de protection incurvé et d'un dispositif d'affichage
US10580396B1 (en) * 2017-04-07 2020-03-03 The United States Of America As Represented By The Secretary Of The Navy Acoustically stiff wall
CN107326818B (zh) * 2017-08-08 2023-09-19 正升环境科技股份有限公司 一体式吸隔声屏障板
KR102669222B1 (ko) 2017-09-12 2024-05-24 코닝 인코포레이티드 장식용 유리 상에 터치 패널을 포함하는 디스플레이용 데드프론트 및 관련 방법
US11065960B2 (en) 2017-09-13 2021-07-20 Corning Incorporated Curved vehicle displays
CN111433019B (zh) * 2017-10-10 2023-10-13 康宁股份有限公司 具有改进的可靠性的弯曲覆盖玻璃的交通工具内部***及其形成方法
US10767325B2 (en) 2018-01-05 2020-09-08 Superior Transparent Noise Barriers LLC Impact absorbing traffic noise barrier system
US10978038B2 (en) * 2018-07-02 2021-04-13 Toyota Motor Engineering & Manufacturing North America, Inc. Invisible sound barrier
CN109883681B (zh) * 2019-03-29 2020-06-30 衡超装试(北京)科技有限公司 钢质软硬双结构超速试验安全环
US11732471B2 (en) * 2019-08-19 2023-08-22 Turf Design, Inc. Apparatus and system for acoustic curved ceiling baffle and methods of manufacturing thereof
CN112854827B (zh) * 2021-01-15 2022-05-31 罗尚付 一种用于户外科研的装配式样品屋
CN113958010B (zh) * 2021-11-23 2023-03-24 山东工艺美术学院 一种装配式建筑室内设计用墙体连接设备
JP7208677B1 (ja) * 2022-01-17 2023-01-19 有限会社幸昭 自立型防音パネル

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EP0384996A1 (fr) * 1989-02-10 1990-09-05 Octatube Space Structures B.V. Ecran antibruit
EP0392923A1 (fr) * 1989-04-12 1990-10-17 SOUDURE OUTILLAGE PROTECTION Société dite: Palissade en éléments de profilé
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Publication number Priority date Publication date Assignee Title
EP1842977A1 (fr) * 2006-04-03 2007-10-10 Vincenzo Tognaccini Panneau transparent à absorption sonore
DE102010028317A1 (de) 2010-03-04 2011-09-08 Evonik Röhm Gmbh Durchsturzsichere Formkörper
WO2011107315A1 (fr) 2010-03-04 2011-09-09 Evonik Röhm Gmbh Corps façonné en forme de lumidôme renforcé par un filet métallique
DE102012111244A1 (de) 2012-11-21 2014-05-22 Kemper System GmbH & Co. KG Durchsturzsicherung für Dachlichtelemente und dergleichen Konstruktionen und Flüssigkunststoff hierfür
EP2824239A1 (fr) 2013-07-10 2015-01-14 Center of Excellence for Polymer Materials and Technologies (PoliMaT) Panneaux de polymère renforcé

Also Published As

Publication number Publication date
DE19906989A1 (de) 2000-09-14
PL199086B1 (pl) 2008-08-29
PL338499A1 (en) 2000-08-28
JP2000240016A (ja) 2000-09-05
CN1266127A (zh) 2000-09-13
CA2299027C (fr) 2008-06-10
CN1237231C (zh) 2006-01-18
US6305492B1 (en) 2001-10-23
HK1029610A1 (en) 2001-04-06
EP1029984B1 (fr) 2006-09-06
ATE338849T1 (de) 2006-09-15
DE50013413D1 (de) 2006-10-19
CA2299027A1 (fr) 2000-08-19
TW522196B (en) 2003-03-01

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