EP1512792A2 - Schutzschicht für den Bettungskörper eines Gleisfahrweges - Google Patents
Schutzschicht für den Bettungskörper eines Gleisfahrweges Download PDFInfo
- Publication number
- EP1512792A2 EP1512792A2 EP04017565A EP04017565A EP1512792A2 EP 1512792 A2 EP1512792 A2 EP 1512792A2 EP 04017565 A EP04017565 A EP 04017565A EP 04017565 A EP04017565 A EP 04017565A EP 1512792 A2 EP1512792 A2 EP 1512792A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective layer
- ballast
- track
- railway track
- shaped elements
- 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
Links
- 239000011241 protective layer Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000007774 longterm Effects 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 238000005056 compaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 230000000284 resting effect Effects 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 2
- SEQDDYPDSLOBDC-UHFFFAOYSA-N Temazepam Chemical compound N=1C(O)C(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 SEQDDYPDSLOBDC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000011888 foil Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001609 comparable effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/001—Track with ballast
-
- 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
- E01B19/006—Means for protecting the underground against spillage
Definitions
- the invention relates to a protective layer for the ballast body of a track track, especially for railways, which the ballast body against the upcoming Earth body separates.
- PSS Demarcate protective layers
- the invention is based on the object, a protective layer for the ballast body a track track, especially for railways, which the ballast against separating the upcoming earth body, developing a cost-saving Replacement mineral support or layer protection layers allows.
- This protective layer may be suitable for existing, rehabilitated routes with a to make use of less logistics and machinery than hitherto.
- the protective layer should in a continuous conversion process with high Propulsion power be installed.
- This object is in accordance with the preamble of claim 1 according to the invention characterized in that the protective layer of a nonwoven layer, which covers the contact area of the upcoming earth body with the ballast, and on this fleece resting, abutting plate-shaped elements with high compressive strength and low water absorption in long-term contact built up with moisture.
- a system can not only Drain the superstructure reliably, but also by the weight of the superstructure as well as from the train traffic resulting loads reliable and damage-free take up.
- the preferred embodiment of the plate-shaped elements made of hard foam additionally offers the advantages of a very low thermal conductivity, a high modulus of elasticity, favorable fracture stress ratios and a low dead weight, whereby a manual handling of the plate elements is possible.
- a Folding of rigid foam panels ensures a sufficiently positive connection two elements each.
- B 2 * y + SB.
- the size y corresponds to the vertical distance between the upper edge of the protective layer and the lower edge of the sleepers resting on the ballast body, the size SB, however, gives the measured transversely to the track longitudinal axis Distance between both heads of a track threshold. This ensures that the Protective layer regardless of their vertical mounting position always relevant Load spreading area covers.
- the plate-shaped elements are made of Rigid foam, especially extruded polystyrene (e.g., X-PS-G).
- Thickness of the plate-shaped elements in the transition region between one according to the invention executed Bettungs stresses and one without tarpaulin protective layer running ball body over a length of at least 20 meters continuously decreases and the minimum thickness of an element in the final area of the transition still at least 0.04 meters. This ensures that both the load capacity the substructure in the transition area remains guaranteed, but at the same time despite different moduli of elasticity between the two bed bodies uniform Driving characteristics are ensured for the trains.
- the nonwoven layer is made of polypropylene and has a weight per unit area of at least 400 g / m 2 . It is also advantageous if the nonwoven layer is designed with a minimum load of 3 mm for a given load of 2 kN. Due to these material properties, the nonwoven exerts a capillary breaking effect. This makes sense, so that both the by the bumps between the plate-shaped elements penetrating leachate and the water rising through the pore water pressure rising water is reliably guided by the fleece in the edge drainage and water penetration of the protective layer is prevented.
- the preparation of the inventive protective layer is carried out using a commercially available ballast cleaning machine, which causes a significantly lower capital outlay compared to the required in gravel-sand mixtures turf conditioning.
- the ballast cleaning machine is merely supplemented by a nonwoven unwinding device and a compaction plank to produce a level and sufficiently densified ground plane.
- ballast bed cleaning In the course of a ballast bed cleaning og Bettungstivsmaschine clears the track ballast below the track grate by means of a Schrapers or chain bar, cleans the old ballast, sifts to small ballast components and reintegrates the thus cleaned track ballast below again under the track grid.
- the track grid is only raised in this process, but otherwise remains in its position.
- the created in this work process of ballast cleaning machine ballast-free space can now be used for the introduction of fleece and plate elements. Within this ballast-free working space, the compaction pile runs ahead in the working direction and produces the required flatness, load capacity and density of the earth.
- the fleece is rolled out to the Erdplanum, with an overlap of both roller conveyors of at least 30 cm takes place at a possible roll change.
- the manual insertion of the plate elements forms the last step within the ballast-free working space before the processed ballast is fed back.
- a gravity-assisted mechanical feed of the plate elements can be realized, for example in analogy to the feeding of track sleepers in the known track-laying machines.
- the protective layer according to the invention tolerates a deviation from the desirable joint-free abutment of the plate elements, so that rectangular plate elements can continue to be used for this purpose. This has an advantageous effect on warehouse logistics.
- ballast cleaning measures usual work regarding lifting and compression stoppers as well as track stabilization.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Laminated Bodies (AREA)
- Magnetic Heads (AREA)
- Bipolar Transistors (AREA)
- Packaging Of Machine Parts And Wound Products (AREA)
Abstract
Description
- Figur 1
- Aufbau der Schutzschicht
Die Erstellung der erfindungsgemässen Schutzschicht erfolgt mit Hilfe einer handelsüblichen Bettungsreinigungsmaschine, die im Vergleich zu den bei Kies-Sand-Gemischen erforderlichen Planumsverbesserungsmaschinen einen deutlich niedrigeren Kapitalaufwand verursacht. Die Bettungsreinigungsmaschine wird lediglich um eine Abrollvorrichtung für das Vlies sowie eine Verdichtungsbohle zur Herstellung eines ebenen und ausreichend verdichteten Erdplanums ergänzt.
Im Zuge einer Schotterbettreinigung räumt o.g. Bettungsreinigungsmaschine den Gleisschotter unterhalb des Gleisrostes mittels eines Schrapers oder Kettenbalkens aus, reinigt den Altschotter, siebt zu kleine Schotterbestandteile aus und baut den derart gereinigten Gleisschotter nachfolgend wieder unter dem Gleisrost ein. Der Gleisrost wird bei diesem Vorgang lediglich angehoben, verbleibt jedoch ansonsten in seiner Lage. Der bei diesem Arbeitsprozess von der Bettungsreinigungsmaschine geschaffene schotterfreie Raum kann nun auch zum Einbringen von Vlies und Plattenelementen genutzt werden. Innerhalb dieses schotterfreien Arbeitsraumes läuft die Verdichtungsbohle in Arbeitsrichtung voraus und stellt die geforderte Ebenflächigkeit, Tragfähigkeit und Dichte des Erdplanums her. Von der anschliessenden Abrollvorrichtung wird das Vlies auf das Erdplanum ausgerollt, wobei bei einem allfälligen Rollenwechsel eine Überlappung beider Rollenbahnen von mindestens 30 cm erfolgt. Das manuelle Einlegen der Plattenelemente bildet innerhalb des schotterfreien Arbeitsraumes den letzten Arbeitsschritt, bevor der aufbereitete Schotter wieder zugeführt wird. Alternativ lässt sich natürlich eine schwerkraftunterstütze mechanische Zuführung der Plattenelemente realisieren, beispielsweise in Analogie zur Zuführung von Gleisschwellen bei den bekannten Gleisumbaumaschinen. In Bogenradien bis zu 250 m toleriert die erfindungsgemässe Schutzschicht ein Abweichen von dem an sich wünschenswerten fugenfreien Aneinanderstossen der Plattenelemente, so dass hierfür weiterhin rechteckige Plattenelemente verwendet werden können. Die wirkt sich vorteilhaft auf die Lagerlogistik aus.
- 1
- Erdkörper
- 2
- Vlieswerkstoff aus Polypropylen
- 3
- plattenförmiges Element
- 4
- Bettungskörper aus Gleisschotter
- 5
- Gleisschwelle
- 6
- Schiene
Claims (7)
- Schutzschicht für Bettungskörper eines Gleisfahrweges, insbesondere für Eisenbahnen, welche den Bettungskörper gegen den anstehenden Erdkörper abtrennt,
dadurch gekennzeichnet, dass die Schutzschicht aus einer Vliesschicht, welche den Kontaktbereich des anstehenden Erdkörpers mit dem Bettungskörper abdeckt, und auf diesem Vlies aufliegenden, aneinanderstossenden plattenförmigen Elementen mit hoher Druckbelastbarkeit und geringer Wasseraufnahmefähigkeit bei Langzeitkontakt mit Feuchtigkeit aufgebaut ist. - Schutzschicht für Bettungskörper eines Gleisfahrweges nach Anspruch 1, dadurch gekennzeichnet, dass die Breite der Schutzschicht in Querrichtung zur Gleislängsachse mindestens einem Betrag B entspricht, wobei B gemäss der Beziehung B = 2*y + SB ermittelt wird, die Grösse y dem vertikalen Abstand zwischen der Oberkante der Schutzschicht und der Unterkante der auf dem Bettungskörper aufliegenden Gleisschwellen entspricht sowie SB den in Querrichtung zur Gleislängsachse gemessenen Abstand beider Köpfe einer Gleisschwelle angibt.
- Schutzschicht für Bettungskörper eines Gleisfahrweges nach mindestens einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die plattenförmigen Elemente aus Hartschaum, insbesondere extrudiertem Polystyrol, aufgebaut sind.
- Schutzschicht für Bettungskörper eines Gleisfahrweges nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass Werkstoff, vertikale Stärke und Grundfläche eines Einzelkörpers der plattenförmigen Elemente in Abhängigkeit von den bodenmechanischen Kennwerten des anstehenden Erdkörpers derart dimensioniert sind, dass auf der Oberfläche der eingebauten Schutzschicht Verformungsmoduli von Evd ≥ 45 MN/m2 oder Ev2 ≥ 100 MN/m2 bei einem Verdichtungsgrad von Dpr = 100 % erreicht werden.
- Schutzschicht für Bettungskörper eines Gleisfahrweges nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Stärke der plattenförmigen Elemente im Übergangsbereich zwischen einem erfindungsgemäss ausgeführten Bettungskörper und einem ohne Planumsschutzschicht ausgeführten Bettungskörper über eine Länge von mindestens 20 Meter kontinuierlich abnimmt und die Mindeststärke eines Elementes im Schlussbereich des Überganges noch mindestens 0,04 Meter beträgt.
- Schutzschicht für Bettungskörper eines Gleisfahrweges nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Vliesschicht aus Polypropylen ausgeführt ist und ein Flächengewicht von mindestens 400 g/m2 aufweist.
- Schutzschicht für Bettungskörper eines Gleisfahrweges nach mindestens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Vliesschicht bei einer gegebenen Auflast von 2 kN mit einer Mindeststärke von 3 mm ausgeführt ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04017565T PL1512792T3 (pl) | 2003-09-03 | 2004-07-24 | Warstwa ochronna dla podtorza trasy torowej |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20313800U DE20313800U1 (de) | 2003-09-03 | 2003-09-03 | Schutzschicht für den Bettungskörper eines Gleisfahrweges |
| DE20313800U | 2003-09-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1512792A2 true EP1512792A2 (de) | 2005-03-09 |
| EP1512792A3 EP1512792A3 (de) | 2005-05-11 |
| EP1512792B1 EP1512792B1 (de) | 2010-01-20 |
Family
ID=29558155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04017565A Expired - Lifetime EP1512792B1 (de) | 2003-09-03 | 2004-07-24 | Schutzschicht für den Bettungskörper eines Gleisfahrweges |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1512792B1 (de) |
| AT (1) | ATE455905T1 (de) |
| DE (3) | DE20313800U1 (de) |
| PL (1) | PL1512792T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006144A1 (de) * | 2012-07-04 | 2014-01-09 | Hering Bau Gmbh & Co. Kg | Akustische abschirmeinheit und deren aufbau |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979766B (zh) * | 2010-10-21 | 2012-07-11 | 中铁第四勘察设计院集团有限公司 | 高速铁路红黏土路堑基床结构 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3147346A1 (de) | 1981-03-04 | 1982-09-16 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft mbH, 1010 Wien | Schotterbett-reinigungsmaschine und hartschaumplatten-verlegung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB339520A (en) * | 1929-12-30 | 1930-12-11 | Trinidad Deutsche Oel Und Asph | Method of constructing railway embankments |
| US3587964A (en) * | 1969-04-18 | 1971-06-28 | Meadows W R Inc | Protective course for bridge deck |
| DE3524719A1 (de) * | 1985-07-11 | 1987-01-15 | Phoenix Ag | Schutzschicht fuer elastische gleisbettmatte |
| GB2243108B (en) * | 1990-02-14 | 1994-02-23 | Ian Thomas Smith | Railway tracks |
-
2003
- 2003-09-03 DE DE20313800U patent/DE20313800U1/de not_active Expired - Lifetime
-
2004
- 2004-04-13 DE DE202004005761U patent/DE202004005761U1/de not_active Expired - Lifetime
- 2004-07-24 EP EP04017565A patent/EP1512792B1/de not_active Expired - Lifetime
- 2004-07-24 AT AT04017565T patent/ATE455905T1/de active
- 2004-07-24 PL PL04017565T patent/PL1512792T3/pl unknown
- 2004-07-24 DE DE502004010662T patent/DE502004010662D1/de not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3147346A1 (de) | 1981-03-04 | 1982-09-16 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft mbH, 1010 Wien | Schotterbett-reinigungsmaschine und hartschaumplatten-verlegung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006144A1 (de) * | 2012-07-04 | 2014-01-09 | Hering Bau Gmbh & Co. Kg | Akustische abschirmeinheit und deren aufbau |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202004005761U1 (de) | 2004-08-19 |
| EP1512792B1 (de) | 2010-01-20 |
| ATE455905T1 (de) | 2010-02-15 |
| EP1512792A3 (de) | 2005-05-11 |
| DE20313800U1 (de) | 2003-11-13 |
| DE502004010662D1 (de) | 2010-03-11 |
| PL1512792T3 (pl) | 2010-06-30 |
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