EP1045069A2 - Schotterloser Oberbau mit vorgefertigten Betontragplatten sowie Verfahren zum Ersatz derselben - Google Patents
Schotterloser Oberbau mit vorgefertigten Betontragplatten sowie Verfahren zum Ersatz derselben Download PDFInfo
- Publication number
- EP1045069A2 EP1045069A2 EP00890109A EP00890109A EP1045069A2 EP 1045069 A2 EP1045069 A2 EP 1045069A2 EP 00890109 A EP00890109 A EP 00890109A EP 00890109 A EP00890109 A EP 00890109A EP 1045069 A2 EP1045069 A2 EP 1045069A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mortar
- concrete
- support plate
- concrete support
- rubber
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000008569 process Effects 0.000 title claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 79
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 description 9
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress 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
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
- E01B1/004—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with prefabricated elements embedded in fresh concrete or asphalt
-
- 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
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
- E01B1/005—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with sleeper shoes
Definitions
- the invention relates to a ballastless Superstructure with prefabricated, rail-bearing concrete slabs, which is greater in the longitudinal direction of the superstructure than transversely on this as well as on a method for the replacement of Concrete slabs of a ballastless superstructure.
- Rail transport is for both Transport of goods as well as people of special Importance.
- track superstructure for the higher speeds as well as for increased driving comfort Importance.
- ballastless Track superstructure led.
- the Rails should be interchangeable, releasable connections be provided with supports for the rails.
- These carriers for the rails can either be a sill grate or concrete slabs are limited in length.
- the threshold rust can arranged, for example, in a later setting concrete the rails must be positioned precisely in order to to ensure an exact position of the same.
- the further one is to provide support plates with which the rails are also releasably connected. For exact Positioning in the longitudinal direction of the rail and across it can for example, approximately semicircular at the ends of the plates Recesses can be provided, which with corresponding circular cylinders perpendicular to the ground mandate, cooperate. Conversely, this can also be done underground circular cylinders are excluded, in which in circular partial cylinders extending downward protrude. Such cylindrical holding devices cause no exact positioning, because along the cylindrical Surface shifts can take place. When one breaks Appendage or of the cylinder, which extends from the underground upwards extends, this end of the plate is without any fixation.
- the superstructure does not behave as a rigid body under load may, but must deflect elastically when loaded. On Such deflection should take place in the range of a few millimeters. With a ballast bed, this becomes elastic compression achieved by compression of the ballast bed, which after Relief leads to the expansion of the same. These processes cause wear and tear of the ballast bed, at the same time the gravel below the thresholds from this area are displaced so that regular maintenance, u. between plugging the ballast bed, especially under the sleepers, is required. In the ballastless superstructure, the Usually a separate construction element for this spring process intended. There can be an elastically deformable layer arranged below the threshold grate or the support plates become.
- EP 0 516 612 B1 becomes a ballastless one Superstructure known, which has a foundation plate, which in is made in situ.
- This foundation plate can also be trough-shaped be formed. This lies over an underground mortar made of concrete and possibly with steel reinforcement of support plates with which two rails are releasably connected are.
- the Underground mortar in rectangular continuous recesses Protruding support plate.
- the respective ends of the support plate, based on the longitudinal direction of the superstructure downward projections are provided which protrude from the foundation plate, leaving the space is also filled through the underground mortar.
- a rubber elastic Layer may be provided in the rectangular Recesses can be between the penetrated in these Subterranean mortar and the support plate a rubber elastic Layer may be provided.
- ballastless superstructures have been around for a long time up to now, little attention has been paid to repairs been dedicated. Since the force transmission via the wheels in the rails and thus in the support plates are subject to Carrier plates and thus that between the underground and the Base mortar arranged in a special way Stress and preferred destruction.
- ballastless superstructure which is structurally more complex than a gravel superstructure finds its preferred Use in highly stressed areas of the railway, for example High speed areas, tunnels, train stations, etc. the like These areas usually represent bottlenecks that are particular need to be repaired quickly in order to avoid the disability To keep rail traffic particularly low. So far it is Attention has been paid to being generated in situ Set layers particularly quickly to during the downtime of high-speed trains at night a corresponding To be able to carry out repairs.
- the present invention aims to a ballastless superstructure and a method for replacing To create concrete slabs of the same, which the Repairs made particularly easy and within a very short time Time an exchange of concrete slabs allows.
- the ballastless superstructure according to the invention with prefabricated, rail-bearing concrete slabs in the longitudinal direction of the superstructure have a greater extension than transverse to it, with at least two, in particular symmetrically arranged, Recesses, which may be continuous, from above extend down and polygonal, especially rectangular and are open at the bottom, in particular different long sides are provided and the longer ones Sides extend in the longitudinal direction of the superstructure, with a Underground mortar that is on a surface, e.g. B.
- the concrete slab with a smaller thickness provides a repair support plate, it is not necessary to Destroy underground mortar as such, but the concrete support plate can be screwed into threads like them for example by the spacer by spindles on the four corners at a time, simply lift off. Then it is only necessary to use a support plate to position less thickness on the subterranean mortar and Free space between the support plate with a smaller thickness and the Underground mortar with another layer of the underground mortar to fulfill. It is therefore no longer necessary To eliminate underground mortar in its entirety, but the new concrete base plate can be put through another layer of the underground mortar worn on the original underground mortar become. Concrete slabs in the track superstructure are in the Usually made with particularly tight tolerances and it was quite surprising that the support plates of smaller thickness have the required downtimes.
- the thickness of the plate relates to the thickness below the rail foot, as the top surface of the concrete slab is designed differently and it is only necessary is that between the original underground mortar and the concrete slab essentially extends over the entire lower surface with the exception of the recesses additional layers can be placed on the subterranean mortar.
- Both the upper and lower stretches Layer of the underground mortar over the entire surface of the Concrete slab and is essentially plane-parallel, a full support of the concrete slab is on Subterranean mortar ensures that areas are different Power transmission on the base from the concrete support plate are avoided, which means the service life of both the original installed concrete support plate as well as the subsequently installed Concrete base plate can be increased significantly.
- the concrete slab has a smaller thickness which is at least 3.0 mm smaller than that of the other concrete slabs, this ensures on the one hand that a sufficient level is still available Strength taking into account the power transmission is given to the subsequent concrete slabs, further a filling of the space between the lower layer of the Underground mortar and the elastic layer of the repair support plate given is.
- Replacement of certain concrete slab with another prefabricated one is replaced essentially consists in that the concrete support plate held with a smaller thickness above the subterranean mortar and the space with another layer of underground mortar is fulfilled.
- the least Workload of replacing a concrete slab enables since it is not necessary to work through the underground mortar is, but only a lifting of the old, if necessary a damaged concrete base plate can be carried out must, a new one can be positioned, taking the space either before positioning the plate or after positioning the slab can be filled with another underground mortar can.
- Fig. 1 four concrete slabs 1, 1a are shown, the recesses 2, 2a and have continuous injection openings 3.
- the Rail 4 releasably connected to the concrete support plate 1.
- the support plate has an elevation 14 so that the rails opposite the other areas of the support plate are arranged elevated.
- dowels 15 are provided with screws 16 cooperate, which the rail 4 via clamping plates 17, Base plate 18 and a rubber-elastic intermediate plate 19th releasably connect to the concrete slab.
- the support plates 1 have a dimension of 2400 mm by 5160 mm. Usual dimensions are between 2000 mm to 2700 mm by 3000 mm to 7000 mm. Its thickness d 1 (FIG. 3) is between 140 mm and 250 mm, in the present case 160 mm.
- the recesses 2 are rectangular, the longer side of the rectangle being arranged parallel to the track extension and being 900 mm, whereas the width is 600 mm.
- the recesses 2a correspond to the recesses 2, but are larger parallel to the track level and have the following dimensions 910 mm by 610 mm.
- the concrete slabs lie, as is particularly clear 3 and 4 can be seen on plane-parallel underground mortar 6, 6a on a surface, u. between the bottom of one Concrete tub 7 on.
- This concrete trough 7 in turn rests rubber-elastic profiles 8 on the leveled surface 9.
- a concrete slab or just the equalized surface should be provided.
- Profiles provided a continuous rubber-elastic layer his.
- the Concrete tub or the concrete slab over a variety of individual bear discreet rubber-elastic bearings on the ground.
- the Concrete slabs 1 have a slack reinforcement 10 that on the one hand ends in front of the recesses 2 and on the other hand in Superstructure longitudinal direction and transverse to it.
- the concrete slabs with a small thickness have a biased Reinforcement 10a.
- the coverage of both with concrete is at least 25 mm.
- Both concrete slabs point to their A pre-made coating 11 on the sides facing the surface on, which has a thickness of 30 mm and over the outer Contours of the concrete support plate 1, 1a protrudes.
- This layer is with rubber particles with an average size of 15 mm to 20 mm built, connected by a polyurethane binder are.
- a plastic spray film is also suitable. In relation to the width, it protrudes at least 5 mm above the Width of the concrete support slab, whereas in the longitudinal direction of the rail the rubber-elastic coating 2.5 cm the concrete support plate towering when the coating on each face of the Concrete slab towers over it.
- Fig. 4 the section through a concrete support plate 1a is shown, which has a smaller thickness d 2 , u. between 3.0 mm than the standard concrete slab.
- the thickness of the concrete support plate is determined in the area of the rails, the lower surface of the concrete support plate being aligned parallel to the track level.
- a further layer of an underground mortar 6a is provided, so that the concrete support slab 1a with a smaller thickness, relative to its lower surface, is located higher than the standard concrete support slab 1.
- the recess 2a in the concrete support plate is, however, larger than the recess 2 of the standard concrete support plate, since an underground mortar 6a is also arranged between the projection 6 and the concrete support plate.
- the concrete support plate la over the rubber-elastic layer 11 with rubber-elastic Place spacers 19 on the underground mortar 6.
- This can immediately after replacing the plate with the plate Lower thickness positioned directly on the underground mortar 6 be, since these spacers 19 only the thickness of the new must have to be introduced underground mortar 6a.
- the Underground mortar 6a extends to joint 20. Cover the Underground mortar 6 and 6a is due to the rubber elastic Layers 11 also ensured in the joint.
- the joint 20 can be covered with a slipcase 21, so that during the Hardening the underground mortar 6 or 6a the rubber elastic Layers 11 are bent down. The joint can then be covered by a cover 22.
- the different layers of underground mortar can be constructed identically but also differently. So can the lower layer e.g. B. from a mortar with hydraulic Binder, optionally modified with plastic, and the upper one Layer just be filled plastic. For the top one Layer is due to the small distance when the Repair plate with spindles above the lower layer of the Underground mortar and the space to be filled Flow behavior of particular importance.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Railway Tracks (AREA)
- Revetment (AREA)
Abstract
Description
- Fig. 1
- einen Gleisoberbau in der Sicht von oben,
- Fig. 2
- einen Schnitt durch die Schienenbefestigung in der Tragplatte,
- Fig. 3
- einen Schnitt durch den Gleisoberbau gemäß Fig. 1 entlang der Linie III-III,
- Fig. 4
- einen Schnitt durch den Gleisoberbau gemäß Fig. 1 entlang der Linie IV-IV und
- Fig. 5
- die Fuge zwischen zwei Betontragplatten.
Claims (15)
- Schotterloser Oberbau mit vorgefertigten, schienentragenden Betontragplatten (1, 1a), die in Oberbaulängsrichtung eine größere Erstreckung als quer hierzu aufweisen, mit zumindest zwei, insbesondere symmetrisch angeordneten, Ausnehmungen (2, 2a), die sich gegebenenfalls durchgehend, von oben nach unten erstrecken und mehreckig, insbesondere rechteckig und nach unten offen ausgebildet sind, wobei insbesondere unterschiedlich lange Seiten vorgesehen sind und sich die längeren Seiten in Längsrichtung des Oberbaues erstrecken, wobei sich ein Untergrundmörtel (6, 6a), der auf einem Untergrund (7), z. B. Beton, egalisierten Fels, aufruht, in zumindest zwei Ausnehmungen (2, 2a) erstreckt und zwischen der vorgefertigten Betontragplatte (1, 1a) und dem Untergrundmörtel eine, insbesondere vorgefertigte, Schichte, vorzugsweise mit einem Granulat, aus gummielastischem Material, an der Unterseite dieser angeordnet ist, wobei die Betontragplatten mit ihren Stirnseiten in Abstand zueinander angeordnet sind, wodurch eine Fuge (20) gebildet ist, dadurch gekennzeichnet, daß zumindest zwei einander benachbarte Betontragplatten (1, 1a) zumindest an ihren Stirnseiten unterhalb des Schienenfußes zueinander unterschiedliche Dicke aufweisen, und der Untergrundmörtel (6, 6a) unterhalb der Tragplatte mit der geringeren Dicke zumindest zweischichtig aufgebaut ist, und sich eine obere Schichte (6a) des Untergrundmörtels bis zum Bereich der Fuge (20) erstreckt und eine untere Schichte (6) des Untergrundmörtels, die, insbesondere unmittelbar, dem Untergrund benachbart ist, sich unterhalb der Tragplatten (1, 1a) unterschiedlicher Dicke erstreckt.
- Schotterloser Oberbau nach Anspruch 1, dadurch gekennzeichnet, daß sich sowohl die obere (6a) als auch die untere Schichte (6) des Untergrundmörtels über die gesamte Fläche der Betontragplatte (1, 1a) erstreckt und im wesentlichen planparallel ausgebildet ist.
- Schotterloser Oberbau nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die obere Schichte (6a) des Untergrundmörtels in der Fuge endigt.
- Schotterloser Oberbau nach Anspruch 1, 2 oder 2, dadurch gekennzeichnet, daß die obere Schichte (6a) des Untergrundmörtels in der Fuge mit einer gummielastischen Schichte (11), die mit der Tragplatte (1a) mit geringerer Dicke verbunden ist, zumindest teilweise abgedeckt ist.
- Schotterloser Oberbau nach Anspruch 4, dadurch gekennzeichnet, daß die gummielastische Schichte (11) nach unten gebogen ist.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die gummielastische Schichte (11) der Betontragplatte an ihrer zum Untergrundmörtel weisenden Fläche ein Trennmittel, z. B. Öl, Wachs, aufweist.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß an den Wandungen der Ausnehmungen (2, 2a) eine gummielastische Beschichtung (12) vorgesehen ist, die insbesondere ein Trennmittel, z. B. Öl, Wachs, aufweist.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Ausnehmungen (2a) der Betontragplatte (1a) mit geringerer Dicke im Querschnitt parallel zur Gleisebene größer sind als die der anderen Betontragplatten.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Betontragplatte (la) mit geringerer Dicke Distanzhalter (19) an ihrer unteren Fläche, insbesondere auf der gummielastischen Schichte (11), aufweist.
- Schotterloser Oberbau nach Anspruch 9, dadurch gekennzeichnet, daß die Distanzhalter (19) mit gummielastischem Material aufgebaut sind.
- Schotterloser Oberbau nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß zumindest drei, insbesondere vier, Distanzhalter (19) vorgesehen sind.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Betontragplatte (1a) mit geringerer Dicke eine vorgespannte Bewehrung (10) aufweist, die gegebenenfalls sowohl in als auch quer zur Oberbaulängsrichtung verläuft.
- Schotterloser Oberbau nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Betontragplatte (1a) geringerer Dicke eine Dicke aufweist, die zumindest 3,0 mm geringerer ist als die der anderen Betontragplatten (1).
- Verfahren zum Ersatz von vorgefertigten Betontragplatten eines schotterlosen Oberbaues, die über eine gummielastische Schichte (11) und einen erhärteten Untergrundmörtel (6, 6a) auf einem Untergrund aufruhen, wobei die zum Ersatz bestimmte Betontragplatte (1, 1a) durch eine weitere vorgefertigte ersetzt wird, dadurch gekennzeichnet, daß die weitere Betontragplatte (1a) mit geringerer Dicke als die zum Ersatz bestimmte über dem Untergrundmörtel (6) gehalten und der Freiraum mit einer weiteren Schichte (6a) aus Untergrundmörtel erfüllt wird.
- Verfahren zum Ersatz von vorgefertigten Betontragplatten eines schotterlosen Oberbaues nach Anspruch 14, dadurch gekennzeichnet, daß der Freiraum zwischen einem Vorsprung des Untergrundmörtels (6), der in die Betontragplatte (1a) reicht, und der gummielastischen Schichte (12) der Ausnehmung in der Betontragplatte (1a) mit geringerer Dicke mit weiterem Untergrundmörtel (6a) erfüllt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT65299 | 1999-04-13 | ||
AT0065299A AT409641B (de) | 1999-04-13 | 1999-04-13 | Schotterloser oberbau mit vorgefertigten betontragplatten sowie verfahren zum ersatz derselben |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1045069A2 true EP1045069A2 (de) | 2000-10-18 |
EP1045069A3 EP1045069A3 (de) | 2001-08-01 |
Family
ID=3496246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00890109A Withdrawn EP1045069A3 (de) | 1999-04-13 | 2000-04-05 | Schotterloser Oberbau mit vorgefertigten Betontragplatten sowie Verfahren zum Ersatz derselben |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1045069A3 (de) |
AT (1) | AT409641B (de) |
HR (1) | HRP20000210B1 (de) |
HU (1) | HU221891B1 (de) |
PL (1) | PL200575B1 (de) |
SK (1) | SK5252000A3 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1231323A3 (de) * | 2001-02-09 | 2003-08-20 | Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft | Schotterloser Oberbau für den schienengebundenen Verkehr |
WO2005098136A1 (de) * | 2004-04-08 | 2005-10-20 | Porr Technobau Und Umwelt Ag | Schotterloser oberbau für den schienengebundenen verkehr |
EP1972719A1 (de) * | 2007-03-23 | 2008-09-24 | AFTRAV (Asociacion de fabricantes de traviesas para ferrocarril) | Verbundstrukturbetonfliese zur Fliesenverfolgung und Verfahren zu deren Anbringung |
CN110725160A (zh) * | 2019-10-11 | 2020-01-24 | 南京地铁建设有限责任公司 | 一种双块式点支撑浮置板道床结构 |
CN111155369A (zh) * | 2020-02-11 | 2020-05-15 | 中铁二院工程集团有限责任公司 | 一种无砟轨道基床结构及其条形基础宽度的确定方法 |
CN115387164A (zh) * | 2022-09-27 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | 运行可靠的板式无砟轨道结构及其施工方法和调整方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104452499B (zh) * | 2014-11-18 | 2016-09-14 | 中国铁道科学研究院铁道建筑研究所 | 一种纵联板式无砟轨道水泥乳化沥青砂浆离缝快速修补方法 |
CN104480815B (zh) * | 2014-11-18 | 2017-02-22 | 中国铁道科学研究院铁道建筑研究所 | 一种单元板式无砟轨道水泥乳化沥青砂浆离缝快速修补方法 |
CN114941258B (zh) * | 2022-06-23 | 2023-05-23 | 中铁十八局集团有限公司 | 一种高铁隧道crtsⅰ型双块式无砟轨道混凝土道床板防裂施工方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT390976B (de) | 1988-12-19 | 1990-07-25 | Porr Allg Bauges | Verfahren zur errichtung von schotterlosem oberbau sowie ein nach diesem verfahren hergestellter oberbau |
EP0516612B1 (de) | 1991-05-31 | 1998-06-24 | Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft | Schotterloser Oberbau mit Schienen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT410329B (de) * | 1999-03-19 | 2003-03-25 | Porr Allg Bauges | Schotterloser oberbau |
-
1999
- 1999-04-13 AT AT0065299A patent/AT409641B/de not_active IP Right Cessation
-
2000
- 2000-04-03 HU HU0001370A patent/HU221891B1/hu not_active IP Right Cessation
- 2000-04-05 EP EP00890109A patent/EP1045069A3/de not_active Withdrawn
- 2000-04-11 SK SK525-2000A patent/SK5252000A3/sk unknown
- 2000-04-12 HR HR20000210A patent/HRP20000210B1/xx not_active IP Right Cessation
- 2000-04-12 PL PL339610A patent/PL200575B1/pl unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT390976B (de) | 1988-12-19 | 1990-07-25 | Porr Allg Bauges | Verfahren zur errichtung von schotterlosem oberbau sowie ein nach diesem verfahren hergestellter oberbau |
EP0516612B1 (de) | 1991-05-31 | 1998-06-24 | Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft | Schotterloser Oberbau mit Schienen |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1231323A3 (de) * | 2001-02-09 | 2003-08-20 | Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft | Schotterloser Oberbau für den schienengebundenen Verkehr |
WO2005098136A1 (de) * | 2004-04-08 | 2005-10-20 | Porr Technobau Und Umwelt Ag | Schotterloser oberbau für den schienengebundenen verkehr |
EP1972719A1 (de) * | 2007-03-23 | 2008-09-24 | AFTRAV (Asociacion de fabricantes de traviesas para ferrocarril) | Verbundstrukturbetonfliese zur Fliesenverfolgung und Verfahren zu deren Anbringung |
ES2334413A1 (es) * | 2007-03-23 | 2010-03-09 | Aftrav (Asociacion De Fabricantes De Traviesas Para Ferrocarril) | Losa prefabricada de hormigon estructural para via en placa y procedimiento de instalacion de la misma. |
CN110725160A (zh) * | 2019-10-11 | 2020-01-24 | 南京地铁建设有限责任公司 | 一种双块式点支撑浮置板道床结构 |
CN111155369A (zh) * | 2020-02-11 | 2020-05-15 | 中铁二院工程集团有限责任公司 | 一种无砟轨道基床结构及其条形基础宽度的确定方法 |
CN111155369B (zh) * | 2020-02-11 | 2024-06-04 | 中铁二院工程集团有限责任公司 | 一种无砟轨道基床结构及其条形基础宽度的确定方法 |
CN115387164A (zh) * | 2022-09-27 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | 运行可靠的板式无砟轨道结构及其施工方法和调整方法 |
Also Published As
Publication number | Publication date |
---|---|
HUP0001370A2 (hu) | 2001-01-29 |
AT409641B (de) | 2002-09-25 |
HU221891B1 (hu) | 2003-02-28 |
ATA65299A (de) | 2002-02-15 |
HUP0001370A3 (en) | 2001-02-28 |
HU0001370D0 (en) | 2000-06-28 |
HRP20000210B1 (en) | 2009-08-31 |
EP1045069A3 (de) | 2001-08-01 |
PL339610A1 (en) | 2000-10-23 |
PL200575B1 (pl) | 2009-01-30 |
SK5252000A3 (en) | 2000-11-07 |
HRP20000210A2 (en) | 2001-04-30 |
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