CN102021865A - Method for precasting rail support tie on precast span piece - Google Patents
Method for precasting rail support tie on precast span piece Download PDFInfo
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- CN102021865A CN102021865A CN2009102117004A CN200910211700A CN102021865A CN 102021865 A CN102021865 A CN 102021865A CN 2009102117004 A CN2009102117004 A CN 2009102117004A CN 200910211700 A CN200910211700 A CN 200910211700A CN 102021865 A CN102021865 A CN 102021865A
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- rail
- striding
- sleeper
- fastening system
- track
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Abstract
The invention provides a method for precasting a rail support tie on a precast span piece. The method of the invention includes: a rail is positioned, namely a dummy rail (5) with the same profile of the rail paved on the spot is arranged on a span piece (2) according to the position of the final rail; the concave cavity of fastening system of the rail is arranged on the span piece (2), namely a re-entrant mould (8) is fastened on the dummy rail (5) at the fastening system, and the measurement of the re-entrant mould (8) is consistent with the measurement of the fastening system; and the tie is obtained, namely armouring of the tie is arranged, a mould board (12) is realized, and concrete is poured.
Description
Technical field
The present invention relates to the method for pre-track support sleeper, be specifically related to the complete prefabricated method of striding pre-track support sleeper on the precast construction that the such track of part delimits of the U-shaped that uses in such as realization at overhead railway.The invention still further relates to rail is laid on the method on the part of striding that is equipped with prefabricated sleeper.
Background technology
It is known that rail is laid on prefabricated method of striding on the part.According to this method, in first step, realize the installation of the main stem trouble of the expression centre-line of track, this main stem trouble is installed in strides on the part, realize the installation of byroad trouble then and realize marking-out, in second step, provide rail, then with its welding and make its outfit that they are fastened on the fastener of striding on the part, in third step, be provided with gauge and the rail that is provided is pre-aligned on this adjustment gauge is provided, in the 4th step, the armouring (armouring) of sleeper is set, adjust track, realize template and concreting, and in the 5th step, check track again and remove template.
Although this method meets the requirement of civil engineering aspect, but be due to the fact that and very inconvenient that is: at the scene sleeper is carried out very important concreting, this takies the plenty of time especially, be subjected to the restriction of engineering integrated planning, and engineering is applied restriction.
Summary of the invention
The present invention is intended to realize a kind of new method, and this method makes it possible to overcome above-mentioned shortcoming.
Therefore, the present invention includes a kind of in prefabricated method of striding pre-track support sleeper on the part, this method comprises: the step of positioning track, and in this step, the position that will have the final rail of vacation (dummy) rail basis of the rail same profile of laying with the scene is arranged on strides on the part; The cavity (re-entrant) of the fastening system of rail is arranged on the step of striding on the part, in this step, the cavity mould is fastened on the rail of position of fastening system the size of cavity mould and the consistent size of fastening system; And the step that realizes sleeper, in this step, the armouring of sleeper is set, realize template and fluid concrete.
The major advantage of this method is that it can be realized in factory.Therefore, it is obviously more favourable to implement concrete condition: reduce even suppressed climatic effect; The field fabrication concrete, this has suppressed transportation and has delayed, and reduces even suppressed use such as the such additive of retarding agent or liquefier (being used for pumping); Owing in factory, implement, thereby quality control is improved.In addition, the realization of sleeper separates with programming, and this compares with traditional embodiment, and the construction of rail supported sleeper is spun off from the crucial distance of engineering construction.
The present invention comprises also and a kind of rail is laid on the method on the part of striding that is equipped with prefabricated sleeper that this method comprises: the step of rail is set, in this step, the rail that is equipped with fastening system correctly is provided with respect to striding part; And the step of sealing, in this step,, fastening system is sealed in strides on the part by carrying out concreting in the cavity in being formed at sleeper.
Therefore, simplify field operation greatly, on track laying and whole engineering programming, realized great saving thus.In addition, the laying of the very long track of length can also be adjusted at the scene, and as required,, just the concreting of track can be carried out in case adjust rail.
At last, the feasible implementation cost (pressing linear meter(lin.m.) calculates) that can reduce concrete track of these two kinds of methods.
The invention still further relates to and a kind of the track scene is arranged on prefabricated method of striding on the part, this method comprises: first step, preferably in factory, sleeper is striden on the part built in prefabricated in advance; Second step afterwards, on-the-spot rail is laid on is equipped with the striding on the part of prefabricated sleeper.
Description of drawings
Other characteristics of the present invention and advantage provide in the non-restrictive example mode and embodiment illustrated in the accompanying drawings in will be clearly, in the accompanying drawings:
Fig. 1 is prefabricated cross sectional representation of striding part;
Fig. 2 is the view that is similar to Fig. 1 of the false rail that is provided with according to corresponding final rail position at the scene;
Fig. 3 is the cross sectional representation that is equipped with the cavity mould and is arranged on the false rail in the template of sleeper;
Fig. 4 is the schematic top view corresponding to Fig. 3;
Fig. 5 is stripping and removes the false rail view that is similar to Fig. 3 afterwards;
Fig. 6 is the schematic top view corresponding to Fig. 5;
Fig. 7 is the cross sectional representation of striding part that is equipped with prefabricated sleeper, and wherein final rail is correctly located;
Fig. 8 is the cross sectional representation that is equipped with the final rail of fastening system, and this fastening system is arranged in the cavity of sleeper;
Fig. 9 is the view that is similar to Fig. 8 after fastening system is sealed on the sleeper.
The specific embodiment
Usually, rail 1 being laid on prefabricated overall process of striding on the part 2 comprises: in prefabricated method of striding pre-track support sleeper 3 on the part 2; Next, at the scene rail 1 is fastened on the method on the part 2 of striding that is equipped with sleeper 3, striding part 2 is to realize according to said method.
The method of prefabricated sleeper 3 preferably realizes in factory owing to the intrinsic lot of advantages of disposable various technology in factory.Yet if desired, this method also can be carried out at the scene, but sleeper 3 prefabricated is to carry out before being arranged on its special-purpose position will striding part.
What method for prefabricating was particularly suitable for being used to realizing overhead railway strides part 2, and the U-shaped that is particularly suitable for self-supporting is striden part (extending to another bridge pier from a bridge pier of overhead railway) entirely.
This method comprises the step that realizes arrangement diagram.In this step, carry out and stride part 2 and stride part and the arrangement diagram at the junction surface of abutment.This arrangement diagram of respectively striding part (for example on the paper of A3 specification, realizing) in being suitable for paying close attention to comprise the plan view of striding part and stride the junction surface of part and abutment, rail 3, rail fastening system 4 the position and such as the cable jumper such stride the relevant various equipment specials of part with this.This arrangement diagram also comprises the sign of the superelevation on planar line, vertical section and the bend.This arrangement diagram makes it possible to know the accurate position of each fastening system 4 of the accurate position of each rail 1 and rail, and makes and can make sleeper pitch be suitable for the junction surface at the part of paying close attention to 2 of striding as required.
This method also comprises track is arranged on the step of striding on the part 2.In this step, fixation mark is arranged on to stride on the part 2 (is installed in the concrete of striding part 2).These marks are specialized the axis of track.Preferably, respectively striding three marks of enforcement on the part: each one at every end, one in central authorities.It is favourable during striding part 2 itself prefabricated these marks being set.
This method comprises the step of positioning track.In this step, the false rail 5 that will have rail 1 same profile of laying with the scene is arranged on strides on the part 2.This vacation rail 5 is installed in to be adjusted on the gauge 6, and this adjustment gauge 6 makes and can false rail be set according to the position of final rail.This step 1 aspect is implemented by the arrangement diagram of making in advance, is on the other hand to stride the mark on the part 2 and implemented by being arranged in advance.
This method comprises that also the cavity 7 with the fastening system 5 of rail 1 is arranged on the step (with reference to Fig. 2) of striding on the part 2.In this step, cavity mould 8 is fastened on (with reference to Fig. 3 and Fig. 4) on the false rail 5.This step is by arrangement diagram and strides the mark on the part 2 and implemented as the step of positioning track.This makes and can allow the zone of the fastening system 4 of rail 1 sleeper 3 in place at the scene not have concrete.Therefore, the consistent size of the size that cavity mould 8 has and the on-the-spot fastening system 4 that uses, and cavity mould 8 is arranged on the precalculated position of these fastening systems 4.The crooked rail that is arranged on planar line from fastening system scene with rail be connected rail conventional processes in gain enlightenment, in first step, be fastened on cavity mould 8 on the false rail 5 with long radius with the nominal sleeper pitch, in second step, the cavity mould is vertically fixed on the false rail 5 with small radius with respect to the cavity mould that those are fixed on the false rail with long radius.
In the present embodiment, employed fastening system 4 is the systems with backing plate 9: rail 1 is fastened on the backing plate 9 and (uses screw 10 here), and backing plate 9 is fixed on the sleeper 3 and (uses seal bar 11 here).Or rather, in the present embodiment, fastening system 4 is Vossloh system (Vossloh backing plates 336).Therefore, the size of cavity mould 8 is decided by the size of fastening system 4.Vossloh backing plate 336 wide 390mm and long 160mm.And, also must consider the length of seal bar 11 and the gradient of maximum possible thereof, the gradient of this maximum possible is defined according to maximum superelevation.Therefore, the maximum superelevation (gauge for UIC (International Union of Railways) 1435mm is 8.36%) for 120mm is necessary in each side of backing plate 9 widening of 9.6mm (being rounded to 10mm) to be set.
Preferably, the size of employed mould 8 has been considered tolerance, and the feasible laying that can vertically, laterally and vertically adjust rail 1 is with compensation contingent any displacement when part 2 is striden in laying.
Vertically tolerance not only comprises about fastening system 4 with respect to the tolerance of the position of striding part 2 (being the value of 1 inch or 25mm here), and comprises the tolerance (being the value of 10mm) of the lengthwise position of striding part 2 that causes about the size of striding the joint between the part 2 because of two here.In the present embodiment, the feasible displacement that can be received in a direction and the 35mm when other direction is settled fastening system 4 of the size of mould 8.Therefore the longitudinal size of mould 8 is 230mm (length of backing plate 9 adds the twice of vertical tolerance).
Horizontal movement when laterally tolerance relates to the end of striding part 2 and settles with respect to the theoretical axis of track.This horizontal tolerance not only comprises about fastening system 4 with respect to the tolerance of the position of striding part 2 (being the value of 1 inch or 25mm here), and comprises the tolerance (being the value of 5mm) about track laying here.In the present embodiment, the feasible displacement that can be received in a direction and the 30mm when other direction is settled fastening system 4 of the size of mould 8.Therefore, the lateral dimension of mould 8 is 470mm (width of backing plate 9 adds that the twice of widening adds the twice of tolerance).
Vertical tolerance relates to the difference in height of the end of striding part 2.In the present embodiment, the value (being 45mm in the situation of Vossloh backing plate 336) of the free travel between concrete completion absolute altitude and the rail bottom can not reduce, because this will cause installing the adjustment gauge 6 that is used for on-the-spot laying track.Like this, in the present embodiment, by considering the tolerance of one inch or 25mm, vertical tolerance is 0 in a direction, at other direction is-25mm.
This method for prefabricating also comprises the step of check track in the adjustment of the end of striding part 2.In order to realize rail fully in the adjustment of striding part outside and in order to check the relative value of amount of deflection, and stride interface problem between the part when therefore avoiding laying track at the scene, employed false rail 5 has stroke between sizable wheel shaft trip.Therefore, for 25m long stride part 2, preferably use the false rail 5 of minimum length 45m, so that have the overhang of 10m at the either side of striding part 2.
This method for prefabricating comprises the step that realizes sleeper at last.In this step, the armouring of sleeper 3 is set, realize template 12 (with reference to accompanying drawing 3 and Fig. 4) and concreting.Horizontal and the vertical dimension of each sleeper 3 depends on the fastening system 4 of rail.Therefore, for Vossloh system 336, each sleeper 3 has minimum constructive height 200mm and minimum widith 525mm with respect to backing plate 9, and this is the sleeper 3 concerning not anti-derailing measurement mechanism.
At last, this method for prefabricating comprises the ending step, in this step, and the false rail 5 of removing template 12, gauge 6 and being equipped with cavity mould 8.
This method also comprises the step for preparing rail 1, in this step, rail 1 is welded and makes its outfit fastening system 4.The crooked rail that as tradition is implemented, is arranged on planar line at fastening system scene with rail be connected rail in the time, in first step, be fastened on fastening system 4 on the rail 1 with long radius with the nominal sleeper pitch, and in second step, fastening system 4 is vertically fixed on the rail 1 with small radius with respect to the fastening system that those are fastened on the rail 1 with long radius.
This method comprises the step (with reference to Fig. 7) that rail 1 is set.In this step, rail 1 is arranged on the adjustment gauge 6, this adjustment gauge 6 makes and can rail 1 be set according to track routes.
As required, this method can comprise the step of making template, in this step, makes template around fastening system 4 (here around backing plate 9), so that consider the vertical difference of the position of rail 1 when needed.This necessity particularly produces owing to the restriction of the vertical tolerance of the size that imposes on cavity mould 8.
The method of fastening rail 1 comprises the step of sealing, in this step, by in the cavity in being formed at sleeper 3 (and if possible, when needing, in the template of making around fastening system) concreting, the fastening system 4 of rail is sealed in strides on the part 2.Before sealing, implement the final adjustment of track.In case implemented sealing, just checked track.At last, this method comprises the ending step, in this step, removes gauge 6 and any template.
The present invention is not subjected to the restriction of present embodiment.Therefore the present invention can be applicable to other fastening systems.The present invention also can be applicable to be equipped with sleeper prefabricated of anti-derailing measurement mechanism.
Claims (9)
1. stride the method that part (2) is gone up pre-track support sleeper (3) prefabricated for one kind, it is characterized in that this method comprises:
The step of-positioning track, in this step, the position that will have the final rail (1) of false rail (5) basis of rail (1) same profile of laying with the scene is arranged on strides on the part (2);
The cavity (7) of one fastening system with rail (1) (4) is arranged on the step of striding on the part (2), in this step, cavity mould (8) is fastened on the false rail (5) of position of fastening system (4) consistent size of the size of cavity mould (8) and fastening system (4); And
-realize the step of sleeper (3), in this step, the armouring of sleeper is set, realize template (12) and fluid concrete.
2. the method for prefabricated sleeper according to claim 1, it is characterized in that, this method has comprised step before the step of positioning track, that realize arrangement diagram, realizes in the step of arrangement diagram at this, realizes striding the fastening system of part, rail and rail at the plan view of striding the position on the part.
3. the method for prefabricated sleeper according to claim 1 and 2 (3) is characterized in that, this method has comprised step before the step of positioning track, that track is set, is provided with in the step of track at this, mark is fixed on strides on the part (2).
4. according to the method for each the described prefabricated sleeper (3) in the claim 1 to 3, it is characterized in that, this method comprised before the step of concreting, the check track is in the step of the adjustment of the end of striding part (2), striding at this check track in the step of adjustment of end of part (2), striding part (2) outside adjustment false rail (5) and checking its amount of deflection fully, false rail (5) all has overhang with respect to striding part (2) in each side of striding part (2).
5. according to the method for each the described prefabricated sleeper (3) in the claim 1 to 4, it is characterized in that this method comprises the ending step, in this ending step, with template (12), gauge (6) and be equipped with the false rail (5) of cavity mould (8) to remove.
6. one kind is laid on the method on the part (2) of striding that is equipped with the prefabricated sleeper (3) that comprises cavity (7) with rail (1), it is characterized in that this method comprises:
-step of rail (1) is set, in this step, will be equipped with the rail (1) of fastening system (4) correctly to be provided with respect to striding part (2); And
The step of-sealing in this step, by carrying out concreting in the cavity (7) in being formed at sleeper (3), is sealed in fastening system (4) and strides on the part (2).
7. the method for laying rail according to claim 6 (1) is characterized in that, this method has comprised step before the step that rail (1) is set, welding, in the step of this welding, rail (1) is welded on the above-mentioned rail of striding part.
8. according to the method for claim 6 or 7 described laying rails (1), it is characterized in that this method has comprised step before fastening step, that template is set, be provided with in the step of template, realize template around fastening system (4) at this.
9. one kind is laid on prefabricated method of striding on the part (2) with rail (1), it is characterized in that this method comprises: according to the step of the method for each the described prefabricated sleeper (3) in the claim 1 to 5; Supplying step in this step, will be equipped with the part (2) of striding of prefabricated sleeper (3) to take the building site to; And according to each the described step of striding the method on the part that is equipped with prefabricated sleeper (3) that rail (1) is laid in the claim 6 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211700.4A CN102021865B (en) | 2009-09-23 | 2009-09-23 | Method for precasting rail support tie on precast span piece |
| HK11110711.4A HK1156372A1 (en) | 2009-09-23 | 2011-10-11 | Method for precasting track support sleepers on a precast span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211700.4A CN102021865B (en) | 2009-09-23 | 2009-09-23 | Method for precasting rail support tie on precast span piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102021865A true CN102021865A (en) | 2011-04-20 |
| CN102021865B CN102021865B (en) | 2015-07-08 |
Family
ID=43863607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910211700.4A Expired - Fee Related CN102021865B (en) | 2009-09-23 | 2009-09-23 | Method for precasting rail support tie on precast span piece |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102021865B (en) |
| HK (1) | HK1156372A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830137A1 (en) * | 1978-07-08 | 1980-01-17 | Zueblin Ag | sleeper-less concrete railway track rail support - has parts formed as prefabricated reinforced concrete units adjustably inserted before concreting |
| US5285964A (en) * | 1992-05-22 | 1994-02-15 | Etablissements Vape | Method for constructing a railroad in concrete having vertical and lateral adjustment steps prior to concrete pouring |
| DE102004019083A1 (en) * | 2003-04-23 | 2004-12-16 | Rte Technologie Gmbh | Method for laying rail track on uneven ground especially in tunnels using integral alignment means which are removed after the sleepers are secured with poured concrete |
| CN1646771A (en) * | 2002-03-01 | 2005-07-27 | 海弗莱尔投资贸易6控股公司 | Rail sleeper and ballast-free track structure |
-
2009
- 2009-09-23 CN CN200910211700.4A patent/CN102021865B/en not_active Expired - Fee Related
-
2011
- 2011-10-11 HK HK11110711.4A patent/HK1156372A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830137A1 (en) * | 1978-07-08 | 1980-01-17 | Zueblin Ag | sleeper-less concrete railway track rail support - has parts formed as prefabricated reinforced concrete units adjustably inserted before concreting |
| US5285964A (en) * | 1992-05-22 | 1994-02-15 | Etablissements Vape | Method for constructing a railroad in concrete having vertical and lateral adjustment steps prior to concrete pouring |
| CN1646771A (en) * | 2002-03-01 | 2005-07-27 | 海弗莱尔投资贸易6控股公司 | Rail sleeper and ballast-free track structure |
| DE102004019083A1 (en) * | 2003-04-23 | 2004-12-16 | Rte Technologie Gmbh | Method for laying rail track on uneven ground especially in tunnels using integral alignment means which are removed after the sleepers are secured with poured concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102021865B (en) | 2015-07-08 |
| HK1156372A1 (en) | 2012-06-08 |
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