CN201305795Y - Rail board - Google Patents
Rail board Download PDFInfo
- Publication number
- CN201305795Y CN201305795Y CNU200820222980XU CN200820222980U CN201305795Y CN 201305795 Y CN201305795 Y CN 201305795Y CN U200820222980X U CNU200820222980X U CN U200820222980XU CN 200820222980 U CN200820222980 U CN 200820222980U CN 201305795 Y CN201305795 Y CN 201305795Y
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- track plate
- track
- plate
- rail
- rail board
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Abstract
The utility model relates to a semi-frame-type rail board with higher anti-seismic performance. Straight boards which have no convexity-shaped retaining bosses are arranged on the two ends of the rail board; the rail board is provided with rail-bearing platforms with retaining shoulders; and a hollow semi-frame-type structure is arranged in the middle of the rail board. When the rail board is laid, a plastic foam plate is laid in advance in the area corresponding to the frame before mortar is poured; and a resin slurry layer is poured on the two sides and the two ends of the bottom of the rail board and a base; and the rail board is bonded to the base by the resin slurry layer which has a thickness of 15-30mm. By adopting the structure, the rail-laying construction speed is improved, and the rail structure can plays the anti-seismic effect better; the rail board is a semi-frame type structure, thus saving material cost and being favorable for the pouring construction of the resin slurry; by adopting the utility model, the anti-seismic and seismic-relieving performance is improved, and the aims of rapid construction, fastener simplification, process simplification, construction and repair implements and equipment simplification, convenience and economy which can satisfy the current requirements are realized.
Description
Technical field
The utility model relates to a kind of railway art, is a kind of non-fragment orbit specifically, especially relates to the track plate that has higher anti-seismic performance in the non-fragment orbit.
Background technology
According to the requirement of Chengdu, Sichuan Province track traffic layout overall plan, one-tenth filling speed rail Line for Passenger Transportation to Dujiang weir, is a plate-type ballastless track by Chengdu completely, design speed per hour 250km/h.Behind 5.12 special violent earthquakes of Wenchuan, Sichuan, the Dujiang weir district railway that is in seismically active belt will satisfy certain shockproof requirements.
For the requirement of circuit seismic design, in the selection of antidetonation acceleration, according to " Chinese ground motion parameter block plan " regulation (GB18306-2001), on the acceleration zoning, Chengdu belongs to 4 districts, and accekeration is 0.15g, Dujiang weir is 5 districts, accekeration 0.20g.According to the division of response spectrum block plan eigenperiod, Chengdu belongs to 2 districts, and its characteristic reaction spectrum cycle is 0.40s, and Dujiang weir belongs to 3 districts, and its characteristic reaction spectrum cycle is 0.45s.Consider that the earthquake situation in Chengdu, back takes place the 8.0 grades of violent earthquakes in Wenchuan, on the grade of setting up defences, master city, Chengdu and area, Dujiang weir all are necessary to improve the one-level level of protection.According to the zoning of acceleration block plan, master city, Chengdu is 5 districts after improving one-level, and its accekeration is 0.20g, and Dujiang weir is 6 districts, and its accekeration is 0.30g.For traditional slab track, the track plate be connected with the filling of basis by positive stop lug boss and CA mortar be relative freely, under the impact of seismic wave, the vertical and horizontal vibrations take place in the basis, the track plate can only be by boss spacing and frictional force overcome vibrations, the track plate can break away from base and with base impact and relative translation take place in earthquake, after the general moderate damage earthquake, when basic homing, but track is out of shape, even the CA mortar destroys.This outside track plate is under sunshine or other external environment conditions, the temperature action that is subjected to is different, top and bottom temp have difference, therefore the distortion that causes is different, but to suffer restraints owing to be out of shape, so the change of variations in temperature or external temperature condition can allow structure be subjected to the influence of TEMPERATURE FORCE.As the track technology, how antidetonation shock attenuation how effectively resists the influence of temperature deformation, how to realize rapid construction, and how to realize that quick maintenance from now on is the importance that needs research.
The utility model content
The technical problems to be solved in the utility model provides the track plate that a kind of anti-seismic performance is good, the temperature deformation influence is little, speed of application is fast, easy to maintenance.
The purpose of this utility model realizes by implementing following technical proposals:
A kind of track plate, described track plate is provided with the support rail platform of shouldered, it is characterized in that: described track plate two ends is provided with shoulder block for the straight plate of no convex retaining platform on the support rail platform; Track plate bottom is provided with groove for the centre, constitutes half frame construction.
Described half frame construction is the rectangle that is symmetrically distributed along track plate vertical and horizontal center line.
Described track plate is positioned on the base, potting resin screed between track plate and the base, the resin mortar layer with track plate and base bonding be whole.
Described resin mortar layer is filled in both sides and two ends at the bottom of the track plate plate, half frame construction bottom portion of groove and around and between the resin mortar layer filler is set.
Described resin mortar layer thickness is 20mm.
Described resin mortar layer modulus of elasticity is 100-600MPa, adhesive strength 1.5MPa, compressive strength 9.8MPa, shear strength 2.3MPa, density 1.45g/cm3.
Because the mid portion of track plate bottom is half frame construction, not only can save the part material, reduce the cost of track, alleviate the track structure deadweight simultaneously, this all is that the Line for Passenger Transportation of bridge construction is favourable for most of line tower foundation.With track slab pavement to sole plate, the resin mortar layer that pours between track plate and base is except heightening packed layer and track elasticity being provided as the track plate, mainly played strong bonding effect, become piece with track plate and sole plate are whole bonding, overcome the weak articulamentum of traditional plate-type ballastless track structure C A screed, between track plate and the sole plate by weak the connection becoming strong connection, and because with complete closed around at the bottom of the track plate plate, play again water and other pollutants are isolated the effect that makes this class material can not the injection inside configuration and be detained, solved the serious ponding of general framework slab track and caused destruction, influenced the problem of the durability of track structure mortar and track plate.The track plate in use, since the warping stress that temperature produces can cause the track plate have the sheet of digging middle fovea superior or under show especially and resemble, adopt the structure of half framework, can reduce the distortion that temperature causes, reduce the warping stress that temperature causes, reach the temperature deformation that reduces track plate middle part and the result of TEMPERATURE FORCE.Behind this external potting resin screed, the groove under the track plate can form the air bag of a sealing, can play damping and shock proof effect again, improves anti-seismic performance.The track plate of this structure is when construction, only need and between the resin mortar layer filler be set around half frame construction bottom portion of groove reaches, under the situation that guarantees adhesive strength, make the resin mortar of perfusion flow to framework outer track plate both sides and two ends, save the resin mortar cost.
Adopt such structure, the whole rail system is by force in conjunction with as a whole, for the track plate provides the powerful opposing lateral force and the effect of contraction of longitudinal force, reaches with this and simplifies track plated construction, convenient construction, and the purpose of antidetonation.When earthquake is arrived, basis vertical tremor when initial earthquake longitudinal wave transmits, the track plate is connecting base and is shaking with base, be subjected to the bonding effect of resin at the bottom of the whole plate of track plate and can not break away from base, impact with base can not take place yet, the adhesive property of resin mortar can resist also that track plate when vibrations oscillatory acceleration reaches 0.3g and and the pulling force that produces between base, guarantee the track plate in seismic process with the followability on basis.When being subjected to the secondary wave impact, rail system is made lateral shake with sole plate, at this moment, the track plate also shakes with base synchronously owing to be subjected to the strong bonding effect of resin mortar, the destruction that can not deform, the high strength of resin mortar also can be satisfied the shearing force of this shear wave of opposing under impacting.
The influence that the track plate is subjected to less than the basis by the influence of seismic wave, the whole rail system does as a wholely to shake with the basis, when whole vibrations take place in track structure, to track structure itself be do not have destructive, make track structure relative displacement not take place because of the vibrations on basis, reach the purpose of antidetonation with this, the big shake when running into earthquake of assurance track structure can be repaiied, and middle shake is not bad.
Description of drawings
Fig. 1 is the track board plane structure of prior art.
Fig. 2 is a track board plane structure of the present utility model.
Fig. 3 is the facade view of Fig. 2.
Fig. 4 is the right view of Fig. 2.
Fig. 5 is the utility model user mode schematic diagram.
Fig. 6 is Fig. 5 sectional view.
Mark among the figure: 1 track plate termination boss groove, 2 shoulder blocks, 3 track plates, 4 lifting sleeve pipes, 5 service sleeves, 6 half frame constructions, 7 resin mortar layers, 8 bases, 9 bridge floor toppings.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.But this should be interpreted as that the scope of above-mentioned theme of the present utility model only limits to following embodiment.
Figure 1 shows that the track plate of prior art, comprise the semicircle boss groove 1 of two ends, shoulder block 2 also is set on the support rail platform.Polylith track plate is connected with adopting the CA filled with mortar between the sole plate when laying, and the termination of adjacent in twos track plate forms circular groove, builds convex blocking platform at this position.The filling by limiting block platform and CA mortar of track plate and sole plate be connected be relative freely, under the impact of seismic wave, the vertical and horizontal vibrations take place in the basis, the track plate can only overcome vibrations by convex blocking platform and frictional force, and the track plate can break away from base in earthquake and base takes place to impact and relative translation, after the general moderate damage earthquake, when basic homing, track is out of shape, even the CA mortar destroys, and can't satisfy the requirement of track operation.
The utility model track plate 1 shown in Fig. 2-4, described track plate two ends is the straight plate of no semi-circular recesses, track plate both sides are provided with the support rail platform respectively, shoulder block 2 is set on the support rail platform, and service sleeve 5, also establish lifting sleeve pipe 4 on the plate face, be convenient to the lifting of track plate.The track plate is provided with groove in the middle of the bottom, constitutes half frame construction, and it is the rectangle that is symmetrically distributed along track plate vertical and horizontal center line.
Half frame construction track plate 1 is routed on the sole plate 8, pour into resin mortar by fill orifice, form resin mortar layer 8 by mortar moulding form place except that frame position between track plate and base, its structure is shown in Fig. 5,6, under the situation that guarantees the resin mortar adhesive strength, filled plastics cystosepiment 9 in the certain limit in framework and around framework during perfusion, make the resin mortar layer of perfusion be distributed at the bottom of the plate both sides and two ends track plate and base is bonding.Owing to need not to build convex retaining platform, the construction passage is smooth and easy, can reduce construction cost, and track plate bottom has groove, constitute the track plate of half frame construction, not only can reduce material cost, alleviate track plate weight, help the design of foundation structure, reduce the influence of temperature-warping stress, can also improve anti-seismic performance, and make things convenient for the construction of track plate underfill resin sheet mortar, can accelerate speed of application; Adopt resin mortar, stirring technique and mixing plant are simplified greatly, do not need to involve great expense, technology very complexity, not high, the uppity CA mortar of the quality truck with grout mixer and water tank of efficiency of construction.The thick more adhesive strength of the resin mortar layer thickness of being laid is high more, but the also rising thereupon of its cost, it is preferred values that the resin mortar layer thickness controls to 15-30mm, wherein is preferably 20mm, both can reach powerful bonding effect, can guarantee the cost economy again.Resin mortar is disposable perfusion.The resin mortar layer modulus of elasticity of being laid is 100-600MPa, adhesive strength 1.5MPa, compressive strength 9.8MPa, shear strength 2.3MPa, density 1.45g/cm
3
Be exposed to the track circuit under atmosphere and the sunlight, can be subjected to air, rainwater and action of ultraviolet ray, also will be subjected to the fatigue effect of temperature load and train load in addition, make resin aging problem occur; Or, when especially running into ruinous earthquake, cause the track structure foundation deformation excessive when basis generation excessive deformation; Perhaps track structure itself take place to destroy and distortion, when the ride comfort that does not satisfy the circuit operation requires, all needs rail system is keeped in repair adjustment.Adopt following method can realize the purpose of maintenance fast: the rail of laying on the support rail platform is removed, saw down by the plate seam of the joint of adjacent track plate with the chain type cutting machine, the resin mortar layer of the track plate bottom correspondence that cutting needs repairing, can be by end saw to the other end, also can with jack the track plate be lifted 10 centimetres then by two ends toward middle cutting.The track plate is separated with base, clean out the resin mortar that had lost efficacy, cleared up the mortar injection duct after, can at once the track plate be put back to again, accurately adjusting the track plate according to the deflection of track puts in place, again carry out the mortar moulding form, perfusion resin mortar, maintenance 4-6 hour, remove and support, put back to rail, tighten fastener, just can recover to be open to traffic.Realized raising track structure antidetonation shock attenuation performance demands, but realized rapid construction, fastener simplification, work simplification, construction and maintenance facility simplified equipment, convenience, economy can satisfy existing requirement.
Claims (8)
1, a kind of track plate, described track plate both sides are provided with the support rail platform respectively, it is characterized in that: described track plate two ends is provided with the support rail platform for the straight plate of no convex retaining platform on the track plate, shoulder block is set on the support rail platform; The track plate is provided with groove in the middle of the bottom, constitutes half frame construction.
2, track plate as claimed in claim 1 is characterized in that: the rectangle of described half frame construction for being symmetrically distributed along track plate vertical and horizontal center line.
3, track plate as claimed in claim 1 is characterized in that: described track plate is positioned on the base, potting resin screed between track plate and the base, the resin mortar layer with track plate and base bonding be whole.
4, track plate as claimed in claim 3 is characterized in that: described resin mortar layer is filled in both sides and two ends at the bottom of the track plate plate, half frame construction bottom portion of groove and around and between the resin mortar layer filler is set.
5, track plate as claimed in claim 4 is characterized in that: described filler is a plastic foam plate.
6, as claim 3 or 4 described track plates, it is characterized in that: described resin mortar layer thickness is 15-30mm.
7, as claim 3 or 4 described track plates, it is characterized in that: described resin mortar layer thickness is 20mm.
8, as claim 3 or 4 described track plates, it is characterized in that: described resin mortar layer modulus of elasticity is 100-600MPa, adhesive strength 1.5MPa, compressive strength 9.8MPa, shear strength 2.3MPa, density 1.45g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820222980XU CN201305795Y (en) | 2008-11-28 | 2008-11-28 | Rail board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820222980XU CN201305795Y (en) | 2008-11-28 | 2008-11-28 | Rail board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305795Y true CN201305795Y (en) | 2009-09-09 |
Family
ID=41098262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820222980XU Expired - Fee Related CN201305795Y (en) | 2008-11-28 | 2008-11-28 | Rail board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201305795Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798786A (en) * | 2010-04-08 | 2010-08-11 | 中铁二院工程集团有限责任公司 | Plate-type ballastless track vibration-reducing construction |
| CN101974872A (en) * | 2010-10-14 | 2011-02-16 | 中铁三局集团有限公司 | Device and method for fixing track plate and cement emulsified asphalt slurry template |
| CN102182120A (en) * | 2011-03-31 | 2011-09-14 | 中铁第四勘察设计院集团有限公司 | Precast slab type ballastless track structure |
| CN102296490A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Post-tensioned track board |
| CN102296492A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Pre-tensioned prestressed track board of non-ballast track |
| CN102296491A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Post-tensioned prestressed track board of non-ballast track |
| CN102345253A (en) * | 2011-07-18 | 2012-02-08 | 广州瀚阳工程咨询有限公司 | Railway anti-seismic ballast bed system |
| CN102587223A (en) * | 2012-03-30 | 2012-07-18 | 中铁二十三局集团轨道交通工程有限公司 | Composite precast concrete rail plate |
| CN102767123A (en) * | 2012-08-13 | 2012-11-07 | 浙江天铁实业股份有限公司 | Slab track vibration reduction structure |
| CN103790078A (en) * | 2014-01-27 | 2014-05-14 | 中南大学 | Thickened frame type ballastless track plate |
| CN105401488A (en) * | 2015-12-22 | 2016-03-16 | 西南交通大学 | Frame slab track |
-
2008
- 2008-11-28 CN CNU200820222980XU patent/CN201305795Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798786B (en) * | 2010-04-08 | 2012-05-30 | 中铁二院工程集团有限责任公司 | Plate-type ballastless track vibration-reducing construction |
| CN101798786A (en) * | 2010-04-08 | 2010-08-11 | 中铁二院工程集团有限责任公司 | Plate-type ballastless track vibration-reducing construction |
| CN101974872A (en) * | 2010-10-14 | 2011-02-16 | 中铁三局集团有限公司 | Device and method for fixing track plate and cement emulsified asphalt slurry template |
| CN101974872B (en) * | 2010-10-14 | 2012-04-18 | 中铁三局集团有限公司 | Device and method for fixing track plate and cement emulsified asphalt slurry template |
| CN102182120A (en) * | 2011-03-31 | 2011-09-14 | 中铁第四勘察设计院集团有限公司 | Precast slab type ballastless track structure |
| CN102296490A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Post-tensioned track board |
| CN102296492A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Pre-tensioned prestressed track board of non-ballast track |
| CN102296491A (en) * | 2011-06-02 | 2011-12-28 | 中铁二十三局集团有限公司 | Post-tensioned prestressed track board of non-ballast track |
| CN102345253A (en) * | 2011-07-18 | 2012-02-08 | 广州瀚阳工程咨询有限公司 | Railway anti-seismic ballast bed system |
| CN102587223A (en) * | 2012-03-30 | 2012-07-18 | 中铁二十三局集团轨道交通工程有限公司 | Composite precast concrete rail plate |
| CN102767123A (en) * | 2012-08-13 | 2012-11-07 | 浙江天铁实业股份有限公司 | Slab track vibration reduction structure |
| CN103790078A (en) * | 2014-01-27 | 2014-05-14 | 中南大学 | Thickened frame type ballastless track plate |
| CN103790078B (en) * | 2014-01-27 | 2016-01-06 | 中南大学 | A kind of thickening frame type fragment-free track slab |
| CN105401488A (en) * | 2015-12-22 | 2016-03-16 | 西南交通大学 | Frame slab track |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20161128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |