EP1368539A1 - Guideway girder - Google Patents

Guideway girder

Info

Publication number
EP1368539A1
EP1368539A1 EP02729933A EP02729933A EP1368539A1 EP 1368539 A1 EP1368539 A1 EP 1368539A1 EP 02729933 A EP02729933 A EP 02729933A EP 02729933 A EP02729933 A EP 02729933A EP 1368539 A1 EP1368539 A1 EP 1368539A1
Authority
EP
European Patent Office
Prior art keywords
guideway
girder
section
support section
soundproofing
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.)
Withdrawn
Application number
EP02729933A
Other languages
German (de)
French (fr)
Inventor
Dieter Reichel
Erich Lindner
Ralf Waidhauser
Jürgen Feix
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.)
CBP Guideway Systems GmbH
Max Boegl Bauunternehmung GmbH and Co KG
Original Assignee
CBP Guideway Systems GmbH
Max Boegl Bauunternehmung GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CBP Guideway Systems GmbH, Max Boegl Bauunternehmung GmbH and Co KG filed Critical CBP Guideway Systems GmbH
Publication of EP1368539A1 publication Critical patent/EP1368539A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/30—Tracks for magnetic suspension or levitation vehicles
    • E01B25/305—Rails or supporting constructions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise

Definitions

  • the invention relates to a guideway girder, in particular for a magnetic levitation railway, for forming a guideway through a plurality of girders which follow one another in the direction of travel, with at least one upper girder section, in particular an upper chord, possibly a lower girder section, in particular a lower chord and at least one below the upper girder section arranged support section, in particular a web.
  • Noise and all kinds of noise are known to have a negative impact on the well-being of people exposed to these noises.
  • Vehicle noise in particular is a major problem. It is known to block the noise emitted by the vehicle to the guideway girder - in addition to the driving noise generated directly by the vehicle, in particular engine noise - by soundproof walls arranged next to the route, in order to block e.g. to protect underlying residential buildings or natural areas.
  • these soundproof walls are relatively complex and space-consuming to install. In addition, they often do not contribute to beautifying the route.
  • Noise protection devices are not provided as standard for guideway girders with the features mentioned at the beginning. The problem of high noise emission from such carriers has so far not been recognized.
  • This task is performed on the guideway girder of the type mentioned at the beginning. detached by at least one soundproofing element arranged in the area of the upper support section and / or the lower support section and / or the at least one support section.
  • the invention also proposes the use of a flat soundproofing element for attachment to a guideway girder which is arranged or can be arranged essentially above ground.
  • the advantages of the invention are, in particular, that the sound emitted by the vehicle to the guideway girder can be significantly reduced by attaching one or more soundproofing elements in the area of the upper girder section, an optionally present lower girder section and / or the at least one support section.
  • one or more soundproofing elements in the area of the upper girder section, an optionally present lower girder section and / or the at least one support section.
  • flat soundproofing elements cladding the support section (s) and / or support sections, which are preferably designed either as porous or open-pore absorbers or as plate resonators.
  • the plates, foils, etc. with air gap in front of the corresponding section.
  • the resonances occurring in the cavities lead to increased air vibrations and thus to the friction causing the sound absorption.
  • Cavity resonators can also be used in which a narrow access opening leads to a cavity between the support section / support section and soundproofing element.
  • the flow resistance required for sound absorption can
  • the soundproofing elements can, for example, be formed in one layer or consist of several layers or structures. With suitable suitability, all known designs and materials come into question.
  • noises from the vehicle itself can be kept away or dampened and thus noise pollution of the passengers can be avoided.
  • these noises result in particular from air turbulences that arise between the vehicle and the guideway girder.
  • motor and rolling noises from the wheel / rail contact are also be seen in the fact that noises from the vehicle itself can be kept away or dampened and thus noise pollution of the passengers can be avoided.
  • the route can also be designed as a bivalent route on which, for example, both a magnetic levitation train and - with a much smaller track width - conventional trains can travel.
  • the guideway girder - particularly when used for a magnetic levitation railway - has a hollow configuration in cross section.
  • two opposite support sections or webs are preferably provided, which are connected to one another by means of the upper support section or upper belt.
  • a lower support section or lower flange expediently closes the cavity at the bottom.
  • the guideway girder In the case of, for example, relatively small curve radii, it is advisable for the guideway girder to have a full cross section, so that there is only one support section below the upper girder section. Soundproofing elements are then arranged on the support section on one or both sides, for example.
  • the guideway girder is preferably mounted on one or more pillars embedded in the ground. This division allows a structurally favorable processing of the carrier during manufacture and a relatively simple one Installation at the construction site.
  • the space below the guideway girder can also be used. In this case, the soundproofing elements mounted on the guideway girder high above the earth are relatively protected from unauthorized access, eg vandalism, by third parties.
  • the individual guideway supports are preferably arranged one behind the other in such a way that the distance between the successive support sections is small or negligible. In extreme cases, this results in a continuous beam sequence, in which the support sections form a kind of wall in the direction of travel, in the area of which the soundproofing elements can be attached over a large area.
  • One or more soundproofing elements are preferably arranged on the outside and / or — in the case of a cavity as described above — on the inside of the support sections, depending on the efficiency of the sound absorption.
  • the sound emitted, for example, into the cavity is still partially radiated through the boundary walls into the outside environment. It can therefore make sense to provide the cavity with soundproofing elements from the inside and / or to attach these elements to the outside of the cavity walls.
  • a sound absorption that is as effective as possible is beneficial if the at least one soundproofing element is essentially flat, since this allows the absorption area for the sound energy to be correspondingly large.
  • the soundproofing elements are advantageously attached to free surfaces of the guideway sections. The soundproofing elements are therefore not embedded in the girder, but are placed flat on the guideway girder (or a layer on the guideway girder).
  • the at least one soundproofing element has a plurality of angled surface sections.
  • Such a design of the soundproofing elements can thus be adapted to the particular shape of the sections of the guideway girder to be covered and can be attached in particular to critical, high sound energy-emitting points.
  • a guideway girder can have relatively large dimensions, it is advantageous for reasons of better manageability to arrange a plurality of smaller soundproofing elements next to one another in the direction of travel of the guideway.
  • the soundproofing elements can preferably also be subjected to a further use, for example by attaching advertising elements, in particular advertising posters and / or neon signs.
  • Figure 1 shows a track with a magnetic levitation train.
  • Fig. 2 shows an alternative embodiment of a guideway girder in
  • Fig. 3 is a perspective view of the guideway girder according to the
  • FIG. 1 shows a cross section of a carriageway for a magnetic levitation railway 100.
  • Beams 2, preferably of prestressed concrete, are fastened to pillars 5 on the construction site. Here, several beams 2 are placed one behind the other in the direction of travel of the carriageway.
  • the end faces of the carrier 2 are arranged directly adjacent to each other.
  • Connection brackets 1 of preferably steel are arranged at the same distance on the side of each support 2.
  • Each connecting bracket 1 is welded or screwed to tie rods 6, which are embedded in the prestressed concrete of the beam 2.
  • Each console 1 has a head plate 4, on which functional level supports 3 are attached to accommodate stator packs 9, for example.
  • FIG. 2 and 3 show an alternative embodiment of a carrier 2 which has an upper carrier section 12 designed as an upper flange 12, two horizontally spaced side sections 13, 14 designed as webs 13, 14 and a lower carrier section 15 designed as a lower flange 15 ,
  • the straps 12, 15 and webs 13, 14 delimit a cavity 16 with an almost rectangular cross section.
  • the attachment of functional level carriers 3 to connection brackets 1 is essentially unchanged compared to the embodiment according to FIG. 1.
  • flat noise protection elements 8 are arranged on the outside on the webs 13, 14 to reduce the noise resulting from the driving operation, which sound elements 8 can be designed as known sound absorbers, such as porous absorbers, plate resonators or cavity resonators.
  • the soundproofing elements 8 shown in FIGS. 2 and 3 on the webs 13, 14 have two sections 8a, 8b which are angled with respect to one another and correspond to the configuration of the webs 13, 14 which widens downwards are adjusted.
  • Several soundproofing elements 8 are arranged directly next to one another in the direction of travel.
  • the magnetic levitation train 100 encompasses the connection brackets 1 and the functional level support 3 up to close to the webs 13, 14.
  • the soundproofing elements 8 are not drawn up to the upper chord 12, but close off at the top below the magnetic levitation train 100 .
  • flat soundproofing elements can also be attached to the web sections directly opposite the magnetic levitation railway 100, which may have a smaller diameter due to the space available.
  • soundproofing elements 7 On the upward-facing side of the upper chord 12 there are also soundproofing elements 7 (omitted in FIG. 3), which preferably connect to one another in the direction of travel and take up almost the entire width of the upper chord 12.
  • the height of the soundproofing elements 7 is expediently chosen so that there is no impairment of the functioning of the magnetic levitation train 100 during driving.
  • the inner walls of the webs 13, 14, the upper flange 12 and / or the lower flange 15 are alternatively or additionally clad with soundproofing elements.
  • the expediency of such a measure depends in particular on the sound energy radiated into the cavity 16.
  • FIG. 1 For the sake of clarity, no soundproofing elements 7, 8 are shown in FIG. 1.
  • the soundproofing elements 7, 8 according to the invention - in particular those on the upper side of the support 2 - also have the advantage that the support 2 is protected from direct sunlight and thereby a non-uniform heating related to the cross section of the support and an associated deformation of the support is reduced.
  • the outer surfaces of the soundproofing elements 7, 8 can be used as advertising surfaces, which therefore advantageously have a double function.

Abstract

The invention relates to a guideway girder, particularly for a magnetic levitation transport system (100), for forming a guideway with a number of girders (2) that are successively assembled in the direction of travel. The guideway girder comprises an upper girder section (12), particularly a top chord (12), optionally comprises a lower girder section (15), particularly a bottom chord (15), and comprises at least one supporting section (13, 14), particularly a web (13, 14), which is located underneath the upper girder section (12). The inventive guideway girder is characterized by the provision of at least one sound insulation element (7, 8) that is arranged in the area of the upper girder section (12) and/or in the area of the lower girder section (15) and/or in the area of the at least one supporting section (13, 14).

Description

Fahrwegträger guideway beams
Die Erfindung betrifft einen Fahrwegträger, insbesondere für eine Magnet- Schwebebahn, zur Bildung eines Fahrwegs durch mehrere in Fahrtrichtung aufeinanderfolgende Träger, mit mindestens einem oberen Trägerabschnitt, insbesondere einem Obergurt, ggf. einem unteren Trägerabschnitt, insbesondere einem Untergurt und mindestens einem unterhalb des oberen Trägerabschnitts angeordneten Stützabschnitt, insbesondere einem Steg.The invention relates to a guideway girder, in particular for a magnetic levitation railway, for forming a guideway through a plurality of girders which follow one another in the direction of travel, with at least one upper girder section, in particular an upper chord, possibly a lower girder section, in particular a lower chord and at least one below the upper girder section arranged support section, in particular a web.
Geräusche und Lärm aller Art beeinflussen bekanntermaßen das Wohlbefinden der diesen Geräuschen ausgesetzten Personen in negativer Weise. Insbesondere Fahrzeuggeräusche stellen ein großes Problem dar. Es ist bekannt, die vom Fahrzeug an den Fahrwegträger abgegebenen Geräusche - neben den direkt vom Fahrzeug erzeugten Fahrgeräuschen, insbesondere Motorengeräuschen - durch neben der Fahrstrecke angeordnete Schallschutzwände abzublocken, um z.B. dahinterliegende Wohngebäude oder Naturgebiete zu schützen. Diese Schallschutzwände sind allerdings relativ aufwendig und raumgreifend anzubringen. Zudem tragen sie oftmals nicht zur Verschönerung der Trasse bei. Bei Fahrwegträgern mit den eingangs genannten Merkmalen sind Schallschutzvorrichtungen nicht standardmäßig vorgesehen. Das Problem einer hohen Geräuschabgabe solcher Träger wurde bisher nicht erkannt.Noise and all kinds of noise are known to have a negative impact on the well-being of people exposed to these noises. Vehicle noise in particular is a major problem. It is known to block the noise emitted by the vehicle to the guideway girder - in addition to the driving noise generated directly by the vehicle, in particular engine noise - by soundproof walls arranged next to the route, in order to block e.g. to protect underlying residential buildings or natural areas. However, these soundproof walls are relatively complex and space-consuming to install. In addition, they often do not contribute to beautifying the route. Noise protection devices are not provided as standard for guideway girders with the features mentioned at the beginning. The problem of high noise emission from such carriers has so far not been recognized.
Es ist Aufgabe der vorliegenden Erfindung, einen Fahrwegträger der eingangs genannten Art derart weiterzubilden, daß ein wirksamer Schallschutz bei günstigen Platzverhältnissen realisiert wird.It is an object of the present invention to further develop a guideway girder of the type mentioned at the outset in such a way that effective soundproofing is achieved with favorable space conditions.
Diese Aufgabe wird bei dem Fahrwegträger der eingangs genannten Art ge- löst durch mindestens ein im Bereich des oberen Trägerabschnitts und/oder des unteren Trägerabschnitts und/oder des mindestens einen Stützabschnitts angeordnetes Schallschutzelement.This task is performed on the guideway girder of the type mentioned at the beginning. detached by at least one soundproofing element arranged in the area of the upper support section and / or the lower support section and / or the at least one support section.
Die Erfindung schlägt zudem die Verwendung eines flächigen Schallschutzelements zur Anbringung an einem im wesentlichen überirdisch angeordnetem oder anordenbaren Fahrwegträger vor.The invention also proposes the use of a flat soundproofing element for attachment to a guideway girder which is arranged or can be arranged essentially above ground.
Die Vorteile der Erfindung liegen insbesondere darin, daß der vom Fahrzeug an den Fahrwegträger abgegebene Schall deutlich reduziert werden kann, indem ein oder mehrere Schallschutzelemente im Bereich des oberen Trägerabschnitts, eines ggf. vorhandenen unteren Trägerabschnitts und/oder des mindestens einen Stützabschnitts angebracht werden. Es können hierzu insbesondere flächige, den bzw. die Trägerabschnitte und/oder Stützab- schnitte verkleidende Schallschutzelemente eingesetzt werden, die vorzugsweise entweder als poröse bzw. offenporige Absorber oder als Plattenresonatoren ausgebildet sind. Im letzteren Fall werden die Platten, Folien o.a. mit Luftabstand vor dem entsprechenden Abschnitt angebracht. Die auftretenden Resonanzen in den Hohlräumen führen zu erhöhten Luftschwingungen und damit zur die Schallabsorption verursachenden Reibung. Auch sind Hohlraumresonatoren einsetzbar, bei denen eine enge Zugangsöffnung zu einem Hohlraum zwischen Trägerabschnitt/Stützabschnitt und Schallschutzelement führt. Der für die Schallabsorption notwendige Strömungswiderstand kann sich in der Öffnung und/oder im Hohlraum befinden.The advantages of the invention are, in particular, that the sound emitted by the vehicle to the guideway girder can be significantly reduced by attaching one or more soundproofing elements in the area of the upper girder section, an optionally present lower girder section and / or the at least one support section. For this purpose, it is possible in particular to use flat soundproofing elements cladding the support section (s) and / or support sections, which are preferably designed either as porous or open-pore absorbers or as plate resonators. In the latter case, the plates, foils, etc. with air gap in front of the corresponding section. The resonances occurring in the cavities lead to increased air vibrations and thus to the friction causing the sound absorption. Cavity resonators can also be used in which a narrow access opening leads to a cavity between the support section / support section and soundproofing element. The flow resistance required for sound absorption can be in the opening and / or in the cavity.
Die Schallschutzelemente können beispielsweise einlagig oder aus mehreren Schichten oder Strukturen bestehend ausgebildet sein. Es kommen bei entsprechender Eignung alle bekannten Ausgestaltungen und Materialien in Frage.The soundproofing elements can, for example, be formed in one layer or consist of several layers or structures. With suitable suitability, all known designs and materials come into question.
Ein weiterer Vorteil der erfindungsgemäßen Schallschutzelemente ist des weiteren darin zu sehen, daß auch Geräusche von dem Fahrzeug selbst ferngehalten bzw. gedämpft werden können und somit eine Lärmbeeinträchtigung der Fahrgäste vermieden werden kann. Im Falle einer Magnetschwebebahn resultieren diese Geräusche insbesondere von Luftverwirbelungen, die zwischen dem Fahrzeug und dem Fahrwegträger entstehen. Im Falle ei- nes herkömmlichen Zuges kommen Motoren- sowie Abrollgeräusche vom Rad-/Schiene-Kontakt hinzu.Another advantage of the soundproofing elements according to the invention can also be seen in the fact that noises from the vehicle itself can be kept away or dampened and thus noise pollution of the passengers can be avoided. In the case of a magnetic levitation train, these noises result in particular from air turbulences that arise between the vehicle and the guideway girder. In the case of a conventional train, there are motor and rolling noises from the wheel / rail contact.
Der Fahrweg kann auch als bivalenter Fahrweg ausgelegt sein, auf dem beispielsweise sowohl eine Magnetschwebebahn als auch - mit einer wesent- lieh kleineren Spurbreite - herkömmliche Züge fahren können.The route can also be designed as a bivalent route on which, for example, both a magnetic levitation train and - with a much smaller track width - conventional trains can travel.
Es hat sich in bestimmten Fällen statisch und fertigungstechnisch als vorteilhaft herausgestellt, wenn der Fahrwegträger - insbesondere bei Verwendung für eine Magnetschwebebahn - eine im Querschnitt hohle Ausgestaltung aufweist. Es sind hierzu bevorzugt zwei sich gegenüberliegende Stützabschnitte bzw. Stege vorgesehen, die mittels des oberen Trägerabschnitts bzw. Obergurts miteinander in Verbindung stehen. Nach unten schließt zweckmäßigerweise ein unterer Trägerabschnitt bzw. Untergurt den Hohlraum ab. Bei dieser Ausgestaltung lassen sich ggf. akustisch vorteilhafte Ef- fekte erzielen, indem beispielsweise ein Teil der entstehenden Geräusche in den Hohlraum abgestrahlt wird und dort - ohne Lärmbeeinträchtigung der Außenwelt - zum Teil absorbiert wird.In certain cases, it has been found to be advantageous statically and in terms of production technology if the guideway girder - particularly when used for a magnetic levitation railway - has a hollow configuration in cross section. For this purpose, two opposite support sections or webs are preferably provided, which are connected to one another by means of the upper support section or upper belt. A lower support section or lower flange expediently closes the cavity at the bottom. With this configuration, acoustically advantageous effects can be achieved, for example, by emitting part of the resulting noise into the cavity and partially absorbing it there without impairing the outside world.
Im Falle von beispielsweise relativ kleinen Kurvenradien bietet es sich an, daß der Fahrwegträger einen Vollquerschnitt aufweist, so daß lediglich ein Stützabschnitt unterhalb des oberen Trägerabschnitts vorhanden ist. Schallschutzelemente sind dann beispielsweise zu einer oder zu beiden Seiten am Stützabschnitt angeordnet.In the case of, for example, relatively small curve radii, it is advisable for the guideway girder to have a full cross section, so that there is only one support section below the upper girder section. Soundproofing elements are then arranged on the support section on one or both sides, for example.
Bevorzugt ist der Fahrwegträger auf einem oder mehreren im Boden eingelassenen Pfeilern gelagert. Diese Aufteilung erlaubt eine bautechnisch günstige Bearbeitung des Trägers bei der Herstellung sowie eine relativ einfache Aufstellung an der Baustelle. Zudem ist der Raum unterhalb des Fahrwegträgers nutzbar. Die am Fahrwegträger hoch über der Erde angebrachten Schallschutzelemente sind in diesem Fall vor unbefugtem Zugriff, z.B. Van- dalismus, durch Dritte relativ geschützt.The guideway girder is preferably mounted on one or more pillars embedded in the ground. This division allows a structurally favorable processing of the carrier during manufacture and a relatively simple one Installation at the construction site. The space below the guideway girder can also be used. In this case, the soundproofing elements mounted on the guideway girder high above the earth are relatively protected from unauthorized access, eg vandalism, by third parties.
Die einzelnen Fahrwegträger sind bevorzugt derart hintereinander angeordnet, daß der Abstand der aufeinanderfolgenden Stützabschnitte gering oder vernachlässigbar ist. Es resultiert im Extremfall eine durchgehende Trägerabfolge, bei der die Stützabschnitte in Fahrwegrichtung eine Art Mauer bil- den, in deren Bereich die Schallschutzelemente großflächig angebracht werden können.The individual guideway supports are preferably arranged one behind the other in such a way that the distance between the successive support sections is small or negligible. In extreme cases, this results in a continuous beam sequence, in which the support sections form a kind of wall in the direction of travel, in the area of which the soundproofing elements can be attached over a large area.
Bevorzugt sind ein oder mehrere Schallschutzelemente außen und/oder - im Falle eines wie oben beschriebenen Hohlraums - innen an den Stützab- schnitten angeordnet, je nach Effizienz der Schallabsorption. Der beispielsweise in den Hohlraum abgegebene Schall wird zum Teil noch durch die Begrenzungswände in die Außenumgebung abgestrahlt. Es kann daher sinnvoll sein, den Hohlraum von innen mit Schallschutzelementen zu versehen und/oder diese Elemente an der Außenseite der Hohlraumwände anzubrin- gen. Diese Ausführungen gelten sowohl für die Stützabschnitte als auch den oberen Trägerabschnitt und den unteren Trägerabschnitt des Fahrwegträgers.One or more soundproofing elements are preferably arranged on the outside and / or — in the case of a cavity as described above — on the inside of the support sections, depending on the efficiency of the sound absorption. The sound emitted, for example, into the cavity is still partially radiated through the boundary walls into the outside environment. It can therefore make sense to provide the cavity with soundproofing elements from the inside and / or to attach these elements to the outside of the cavity walls. These statements apply to the support sections as well as the upper support section and the lower support section of the guideway support.
Einer möglichst wirkungsvollen Schallabsorption kommt es zugute, wenn das mindestens eine Schallschutzelement im wesentlichen flächig ausgebildet ist, da hierdurch die Absorptionsfläche für die Schallenergie entsprechend groß sein kann. Vorteilhafterweise sind die Schallschutzelemente an freien Flächen der Fahrwegträgerabschnitte angebracht. Die Schallschutzelemente sind hierbei demnach nicht in den Träger eingelassen, sondern flächig auf den Fahrwegträger (oder eine Schicht auf dem Fahrwegträger) aufgesetzt.A sound absorption that is as effective as possible is beneficial if the at least one soundproofing element is essentially flat, since this allows the absorption area for the sound energy to be correspondingly large. The soundproofing elements are advantageously attached to free surfaces of the guideway sections. The soundproofing elements are therefore not embedded in the girder, but are placed flat on the guideway girder (or a layer on the guideway girder).
Je nach Ausgestaltung der zu verkleidenden Fahrwegträgerabschnitte kann das mindestens eine Schallschutzelement mehrere voneinander abgewinkelte Flächenabschnitte aufweisen. Eine solche Ausgestaltung der Schallschutzelemente kann somit der jeweiligen Form der abzudeckenden Abschnitte des Fahrwegträgers angepaßt und insbesondere an kritischen, hohe Schallenergie emittierenden Stellen angebracht werden.Depending on the design of the guideway girder sections to be clad the at least one soundproofing element has a plurality of angled surface sections. Such a design of the soundproofing elements can thus be adapted to the particular shape of the sections of the guideway girder to be covered and can be attached in particular to critical, high sound energy-emitting points.
Da ein Fahrwegträger relativ große Ausmaße aufweisen kann, bietet es sich aus Gründen der besseren Handhabbarkeit vorteilhafterweise an, mehrere kleinere Schallschutzelemente in Verlaufsrichtung des Fahrwegs nebenein- ander anzuordnen.Since a guideway girder can have relatively large dimensions, it is advantageous for reasons of better manageability to arrange a plurality of smaller soundproofing elements next to one another in the direction of travel of the guideway.
Vorzugsweise können die Schallschutzelemente neben ihrem eigentlichen Zweck der Schalldämmung zusätzlich einer weiteren Verwendung unterworfen werden, indem an ihnen beispielsweise Werbeelemente, insbesondere Werbeplakate und/oder Leuchtreklame, angebracht werden.In addition to their actual purpose of sound insulation, the soundproofing elements can preferably also be subjected to a further use, for example by attaching advertising elements, in particular advertising posters and / or neon signs.
Vorteilhafte Weiterbildungen der Erfindung sind durch die Merkmale der Unteransprüche gekennzeichnet.Advantageous developments of the invention are characterized by the features of the subclaims.
Im folgenden wird die Erfindung anhand der Zeichnung näher erläutert. Es zeigen:The invention is explained in more detail below with reference to the drawing. Show it:
Fig. 1 einen Fahrweg mit einer Magnetschwebebahn;Figure 1 shows a track with a magnetic levitation train.
Fig. 2 eine alternative Ausführungsform eines Fahrwegträgers imFig. 2 shows an alternative embodiment of a guideway girder in
Querschnitt mit Schallschutzelementen, undCross section with soundproofing elements, and
Fig. 3 eine perspektivische Ansicht des Fahrwegträgers gemäß derFig. 3 is a perspective view of the guideway girder according to the
Fig. 2.Fig. 2.
Beispielhaft wird die Erfindung anhand eines hybriden Trägersystems für schienengebundene Fahrzeuge beschrieben. In der EP 0 987 370 A1, deren Offenbarungsgehalt hiermit eingeschlossen wird, ist ein solches Trägersystem im Detail beschrieben.The invention is described by way of example using a hybrid carrier system for rail-bound vehicles. In EP 0 987 370 A1, the Disclosure content is hereby included, such a carrier system is described in detail.
In Fig. 1 ist eine Fahrbahn für eine Magnetschwebebahn 100 im Querschnitt dargestellt. Träger 2 aus vorzugsweise Spannbeton werden auf der Baustelle auf Pfeilern 5 befestigt. Es werden hierbei mehrere Träger 2 in Verlaufsrichtung der Fahrbahn hintereinander aufgestellt. Die Stirnseiten der Träger 2 sind hierbei unmittelbar aneinander angrenzend angeordnet. Seitlich an jedem Träger 2 sind in gleichem Abstand Verbindungskonsolen 1 aus vor- zugsweise Stahl angeordnet. Jede Verbindungskonsole 1 ist mit Zugankern 6 verschweißt oder verschraubt, die in den Spannbeton des Trägers 2 eingelassen sind. Jede Konsole 1 weist eine Kopfplatte 4 auf, an der Funktionsebenenträger 3 zur Aufnahme von beispielsweise Statorpaketen 9 angebracht sind.1 shows a cross section of a carriageway for a magnetic levitation railway 100. Beams 2, preferably of prestressed concrete, are fastened to pillars 5 on the construction site. Here, several beams 2 are placed one behind the other in the direction of travel of the carriageway. The end faces of the carrier 2 are arranged directly adjacent to each other. Connection brackets 1 of preferably steel are arranged at the same distance on the side of each support 2. Each connecting bracket 1 is welded or screwed to tie rods 6, which are embedded in the prestressed concrete of the beam 2. Each console 1 has a head plate 4, on which functional level supports 3 are attached to accommodate stator packs 9, for example.
Die Fig. 2 und Fig. 3 zeigen eine alternative Ausführungsform eines Trägers 2, der einen als Obergurt 12 ausgebildeten oberen Trägerabschnitt 12, zwei horizontal beabstandete, als Stege 13, 14 ausgebildete Seitenabschnitte 13, 14 sowie einen als Untergurt 15 ausgebildeten unteren Trägerabschnitt 15 aufweist. Die Gurte 12, 15 und Stege 13, 14 begrenzen einen Hohlraum 16 mit nahezu rechteckigem Querschnitt. Die Anbringung von Funktionsebenenträgern 3 an Verbindungskonsolen 1 ist gegenüber der Ausführungs- fdrm gemäß der Fig. 1 im wesentlichen unverändert.2 and 3 show an alternative embodiment of a carrier 2 which has an upper carrier section 12 designed as an upper flange 12, two horizontally spaced side sections 13, 14 designed as webs 13, 14 and a lower carrier section 15 designed as a lower flange 15 , The straps 12, 15 and webs 13, 14 delimit a cavity 16 with an almost rectangular cross section. The attachment of functional level carriers 3 to connection brackets 1 is essentially unchanged compared to the embodiment according to FIG. 1.
Erfindungsgemäß sind zur Reduzierung der vom Fahrbetrieb herrührenden Geräusche außenseitig an den Stegen 13, 14 flächige Schallschutzelemente 8 angeordnet, die als bekannte Schallabsorber - wie beispielsweise poröse Absorber, Plattenresonatoren oder Hohlraumresonatoren - ausgebildet sein können. Die in den Fig. 2 und 3 dargestellten Schallschutzelemente 8 an den Stegen 13, 14 weisen zwei zueinander gewinkelt ausgebildete Abschnitte 8a, 8b, die der sich nach unten verbreiternden Ausgestaltung der Stege 13, 14 angepaßt sind. In Fahrwegrichtung sind mehrere Schallschutzeiemente 8 unmittelbar aneinander anschließend angeordnet.According to the invention, flat noise protection elements 8 are arranged on the outside on the webs 13, 14 to reduce the noise resulting from the driving operation, which sound elements 8 can be designed as known sound absorbers, such as porous absorbers, plate resonators or cavity resonators. The soundproofing elements 8 shown in FIGS. 2 and 3 on the webs 13, 14 have two sections 8a, 8b which are angled with respect to one another and correspond to the configuration of the webs 13, 14 which widens downwards are adjusted. Several soundproofing elements 8 are arranged directly next to one another in the direction of travel.
Wie der Fig. 1 entnehmbar ist, umgreift die Magnetschwebebahn 100 die Verbindungskonsolen 1 und die Funktionsebenenträger 3 bis nahe an die Stege 13, 14. Aus diesem Grunde sind die Schallschutzelemente 8 nicht bis zum Obergurt 12 heraufgezogen, sondern schließen oberkantig unterhalb der Magnetschwebebahn 100 ab. An den der Magnetschwebebahn 100 direkt gegenüberliegenden Stegabschnitten können selbstverständlich auch flächige Schallschutzelemente angebracht werden, die ggf. aufgrund der Platzverhältnisse einen kleineren Durchmesser aufweisen.As can be seen in FIG. 1, the magnetic levitation train 100 encompasses the connection brackets 1 and the functional level support 3 up to close to the webs 13, 14. For this reason, the soundproofing elements 8 are not drawn up to the upper chord 12, but close off at the top below the magnetic levitation train 100 , Of course, flat soundproofing elements can also be attached to the web sections directly opposite the magnetic levitation railway 100, which may have a smaller diameter due to the space available.
Auf der nach oben weisenden Seite des Obergurtes 12 sind ebenfalls Schallschutzelemente 7 angebracht (in Fig. 3 fortgelassen), die bevorzugt in Fahr- wegrichtung aneinander anschließen und nahezu die gesamte Breite des Obergurtes 12 einnehmen. Die Höhe der Schallschutzelemente 7 ist hierbei zweckmäßigerweise so gewählt, daß keine Funktionsbeeinträchtigung des Fahrbetriebs der Magnetschwebebahn 100 eintritt.On the upward-facing side of the upper chord 12 there are also soundproofing elements 7 (omitted in FIG. 3), which preferably connect to one another in the direction of travel and take up almost the entire width of the upper chord 12. The height of the soundproofing elements 7 is expediently chosen so that there is no impairment of the functioning of the magnetic levitation train 100 during driving.
In einer nicht dargestellten Ausführungsform der Erfindung sind alternativ oder zusätzlich auch die Innenwände der Stege 13, 14, des Obergurts 12 und/oder des Untergurts 15 mit Schallschutzelementen verkleidet. Die Zweckmäßigkeit einer solchen Maßnahme hängt insbesondere von der in den Hohlraum 16 abgestrahlten Schallenergie ab. Insbesondere bei der Aus- kleidung eines wie vorgenannten Hohlraums 16 bietet es sich ggf. an, derart großflächige Schallschutzelemente zu verwenden, daß sie sowohl Teile der Gurte 12, 16 als auch der Stege 13, 14 abdecken.In an embodiment of the invention, not shown, the inner walls of the webs 13, 14, the upper flange 12 and / or the lower flange 15 are alternatively or additionally clad with soundproofing elements. The expediency of such a measure depends in particular on the sound energy radiated into the cavity 16. In particular when lining a cavity 16 as mentioned above, it may be appropriate to use soundproofing elements of such a large area that they cover both parts of the belts 12, 16 and the webs 13, 14.
In der Fig. 1 sind der Übersicht halber keine Schallschutzelemente 7, 8 ein- gezeichnet. Die obigen Ausführungen sind jedoch ohne Einschränkung auch auf diese Ausführungsform des Fahrwegs übertragbar. Die erfindungsgemäßen Schallschutzelemente 7, 8 - insbesondere solche an der Oberseite des Trägers 2 - haben zudem den Vorteil, daß der Träger 2 vor direkter Sonneneinstrahlung geschützt wird und dadurch eine auf den Trägerquerschnitt bezogene, ungleichmäßige Erwärmung und eine damit einhergehende Verformung des Trägers verringert wird.For the sake of clarity, no soundproofing elements 7, 8 are shown in FIG. 1. However, the above statements can also be transferred without restriction to this embodiment of the guideway. The soundproofing elements 7, 8 according to the invention - in particular those on the upper side of the support 2 - also have the advantage that the support 2 is protected from direct sunlight and thereby a non-uniform heating related to the cross section of the support and an associated deformation of the support is reduced.
Es ist zudem möglich, alternativ oder zusätzlich Schallschutzelemente an den Pfeilern 5 aufzubringen, die in diesem Fall unter den Begriff des Stützabschnitts gemäß den Ansprüchen dieser Erfindung fallen.It is also possible, as an alternative or in addition, to apply soundproofing elements to the pillars 5, which in this case fall under the term of the support section according to the claims of this invention.
Die Außenflächen der Schallschutzelemente 7, 8 können als Werbeflächen verwendet werden, die somit zweckmäßigerweise eine Doppelfunktion ausüben. The outer surfaces of the soundproofing elements 7, 8 can be used as advertising surfaces, which therefore advantageously have a double function.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Fahrwegträger, insbesondere für eine Magnetschwebebahn (100), zur Bildung eines Fahrwegs durch mehrere in Fahrtrichtung aufeinanderfolgende Träger (2), mit einem oberen Trägerabschnitt (12), insbesondere einem Obergurt (12), ggf. einem unteren Trägerabschnitt (15), insbeson- dere einem Untergurt (15) und mindestens einem unterhalb des oberen1. guideway girder, in particular for a magnetic levitation train (100), to form a guideway through a plurality of girders (2) which follow one another in the direction of travel, with an upper girder section (12), in particular an upper chord (12), possibly a lower girder section (15), in particular a lower flange (15) and at least one below the upper one
Trägerabschnitts (12) angeordneten Stützabschnitt (13, 14), insbesondere einem Steg (13, 14), gekennzeichnet durch mindestens ein im Bereich des oberen Trägerabschnitts (12) und/oder des unteren Trägerabschnitts (15) und/oder des mindestens einen Stützabschnitts (13, 14) angeord- netes Schallschutzelement (7, 8).Support section (13, 14), in particular a web (13, 14), characterized by at least one in the area of the upper support section (12) and / or the lower support section (15) and / or the at least one support section (12) 13, 14) arranged soundproofing element (7, 8).
2. Fahrwegträger nach Anspruch 1, gekennzeichnet durch eine im Querschnitt hohle Ausgestaltung, wobei der Hohlraum (16) nach oben vom oberen Trägerabschnitt (12), zu den Seiten von jeweils einem Stützab- schnitt (13, 14) und nach unten von einem unteren Trägerabschnitt (15) begrenzt ist.2. guideway girder according to claim 1, characterized by a hollow design in cross-section, the cavity (16) upwards from the upper girder section (12), to the sides of a support section (13, 14) and downwards from a lower one Carrier section (15) is limited.
3. Fahrwegträger nach Anspruch 1 oder 2, gekennzeichnet durch eine Aufstellung auf einem oder mehreren im Boden eingelassenen Pfeilern (5).3. guideway girder according to claim 1 or 2, characterized by installation on one or more pillars embedded in the ground (5).
4. Fahrwegträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die sich gegenüberliegenden Stirnflächen der Stützabschnitte (13, 14) von zwei in Verlaufsrichtung des Fahrwegs aufeinanderfolgenden Trägern (2) im wesentlichen aneinander anschließen.4. guideway girder according to one of the preceding claims, characterized in that the opposing end faces of the support sections (13, 14) of two carriers (2) which follow one another in the direction of travel of the guideway essentially connect to one another.
5. Fahrwegträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet daß Schallschutzelemente (7, 8) an der Innen- und/oder Außenseite der Stützabschnitte (13, 14), an der Unter- und/oder Oberseite des oberen Trägerabschnitts (12) und/oder an der Oberseite eines unteren Trägerabschnitts (15) angeordnet sind.5. guideway girder according to one of the preceding claims, characterized in that soundproofing elements (7, 8) on the interior and / or The outside of the support sections (13, 14), on the underside and / or top of the upper support section (12) and / or on the top of a lower support section (15).
6. Fahrwegträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das mindestens eine Schallschutzelement (7, 8) im wesentlichen flächig ausgebildet ist und den mindestens einen Stützabschnitt (13, 14), den mindestens einen oberen Trägerabschnitt (12) und/oder den unteren Trägerabschnitt (15) zumindest teilweise verklei- dend abdeckt.6. guideway girder according to one of the preceding claims, characterized in that the at least one soundproofing element (7, 8) is substantially flat and the at least one support section (13, 14), the at least one upper girder section (12) and / or covers the lower support section (15) at least partially in a covering manner.
7. Fahrwegträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das mindestens eine Schallschutzelement (8) zwei oder mehr voneinander abgewinkelte Flächenabschnitte (8a, 8b) auf- weist.7. guideway girder according to one of the preceding claims, characterized in that the at least one soundproofing element (8) has two or more angled surface sections (8a, 8b).
8. Fahrwegträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mehrere Schallschutzelemente (7, 8) in Verlaufsrichtung des Fahrwegs nebeneinander angeordnet sind.8. guideway girder according to one of the preceding claims, characterized in that a plurality of soundproofing elements (7, 8) are arranged side by side in the direction of travel of the guideway.
9. Fahrwegträger nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine Ausgestaltung als bivalenter Fahrweg, beispielsweise für Magnetschwebebahnen sowie herkömmliche Züge.9. guideway girder according to one of the preceding claims, characterized by a configuration as a bivalent guideway, for example for magnetic levitation trains and conventional trains.
10. Verwendung eines flächigen Schallschutzelements zur Anbringung im Bereich eines im wesentlichen überirdisch angeordneten oder anorden- baren Fahrwegträgers (2) mit einem oberen Trägerabschnitt (12), ggf. einem unteren Trägerabschnitt (15) und mindestens einem Stützabschnitt (13, 14), insbesondere einem Fahrwegträger (2) nach einem der vorher- gehenden Ansprüche. 10. Use of a flat soundproofing element for attachment in the region of a guideway girder (2) which is arranged or can be arranged essentially above ground, with an upper girder section (12), possibly a lower girder section (15) and at least one support section (13, 14), in particular a guideway girder (2) according to one of the preceding claims.
11. Verwendung eines Schallschutzelements nach Anspruch 10, dadurch gekennzeichnet, daß mit ihm freie Flächen des mindestens einen Stützabschnitts (13, 14), des oberen Trägerabschnitts (12) und/oder des unteren Trägerabschnitts (15) verkleidet werden.11. Use of a soundproofing element according to claim 10, characterized in that with it free surfaces of the at least one support section (13, 14), the upper support section (12) and / or the lower support section (15) are clad.
12. Verwendung eines Schallschutzelements nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß auf dem Schallschutzelement (7, 8) zusätzlich Werbeelemente angebracht werden, insbesondere Werbeplakate und/oder Leuchtreklame. 12. Use of a soundproofing element according to claim 10 or 11, characterized in that additional advertising elements are attached to the soundproofing element (7, 8), in particular advertising posters and / or neon signs.
EP02729933A 2001-03-13 2002-02-22 Guideway girder Withdrawn EP1368539A1 (en)

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DE10111919A DE10111919A1 (en) 2001-03-13 2001-03-13 guideway beams
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US20040118315A1 (en) 2004-06-24
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