CN212316678U - Railway bridge integral steel bridge deck slab ballast groove - Google Patents
Railway bridge integral steel bridge deck slab ballast groove Download PDFInfo
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- CN212316678U CN212316678U CN201922201166.0U CN201922201166U CN212316678U CN 212316678 U CN212316678 U CN 212316678U CN 201922201166 U CN201922201166 U CN 201922201166U CN 212316678 U CN212316678 U CN 212316678U
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Abstract
The utility model provides a railway bridge integral steel bridge deck slab ballast groove, which belongs to the technical field of railway bridges and comprises a steel bridge deck slab, antirust primer, waterproof cloth, first geotechnical cloth, a concrete cushion layer, welding support nails, second geotechnical cloth, a rubber shock pad, third geotechnical cloth, a concrete bottom plate, a construction template and a concrete ballast wall, the utility model has the advantages that the concrete cushion layer is arranged, the concrete cushion layer has the functions of leveling, isolation and transition, the water stability and the frost heaving resistance of the concrete bottom plate can be improved, the load can be diffused, the deformation of the concrete bottom plate is reduced, the service life of the concrete bottom plate is prolonged, the bridge load can be transmitted to the steel bridge deck slab through the rubber shock pad, the bridge deck slab can adapt to the deformation and reduce the vibration, the influence of train running on the concrete bottom plate can be reduced, the service life of the concrete bottom plate is prolonged, and the concrete ballast wall is supported through the construction template, the stability of the concrete ballast wall is greatly improved.
Description
Technical Field
The utility model relates to a railway bridge technical field specifically is a railway ballast groove.
Background
The bridge deck of the railway steel bridge is divided into two forms: ballastless bridge floor and have tiny fragments of stone, etc. there is tiny fragments of stone, coal, etc. bridge floor mainly to adopt concrete groove shape structure to hold the railway ballast, and its bearing structure divide into two kinds: one is a longitudinal beam and/or a transverse beam, which is connected with the reinforced concrete or prestressed concrete channel beam through a shear connector; and the other type is that the orthotropic steel bridge deck is connected with a concrete railway ballast groove consisting of a ballast retaining wall and a bottom plate through a shear bond or a flexible bonding layer.
Based on the above description, and retrieving a currently published patent number: CN201720414133.2, it relates to a railway bridge whole steel bridge deck ballast trough has following shortcoming when using:
1-the concrete bottom plate is directly connected with the steel bridge deck through the welding nails, and the middle part of the concrete bottom plate is not isolated and transited, so that the service life of the concrete bottom plate is short;
2, the fiber net is matched with high-performance concrete to bear the train load transmitted by the track bed, the train directly runs on the concrete bottom plate, and the bridge load is directly transmitted to the steel bridge deck plate from the concrete bottom plate, so that the bridge deforms and vibrates;
3, a large welding support nail is arranged at the inner bottom of the concrete ballast wall and is fixed on the steel bridge deck, the concrete ballast wall is directly fixed with the steel bridge deck without supporting the concrete ballast wall, and the concrete ballast wall is directly erected on the steel bridge deck and is easy to collapse due to the fact that the bridge vibrates and has poor stability after being used for a long time;
therefore, further research needs to be carried out on the existing railway ballast groove, and a novel railway bridge integral steel bridge deck slab upper railway ballast groove is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the weak point that exists among the prior art, provide a railway bridge roof beam whole steel bridge panel goes up railway ballast groove.
In order to achieve the above object, the utility model provides a following technical scheme: a railway bridge integral steel bridge deck ballast groove comprises a steel bridge deck, an anti-rust primer, waterproof cloth, first geotechnical cloth, a concrete cushion layer, welding support nails, second geotechnical cloth, a rubber shock pad, third geotechnical cloth, a concrete bottom plate, a construction template and a concrete ballast wall, wherein the anti-rust primer is sprayed on the surface of the steel bridge deck, the waterproof cloth is paved on the surface of the steel bridge deck, the first geotechnical cloth is paved on the upper end of the waterproof cloth, the concrete cushion layer is paved on the upper end of the first geotechnical cloth, the welding support nails are pre-embedded in the concrete cushion layer, the second geotechnical cloth is paved on the upper end of the concrete cushion layer, the rubber shock pad is paved on the upper end of the second geotechnical cloth, the third geotechnical cloth is paved on the upper end of the rubber shock pad, the concrete bottom plate is paved on the third geotechnical cloth, and the construction template is arranged on the side surface of the steel bridge deck, and a concrete ballast wall is built inside the construction template.
Preferably, the welding support nails penetrate through the second geotextile and the rubber shock pad in sequence, and the rubber shock pad is fixedly connected with the concrete cushion layer through the welding support nails.
Preferably, the welding support nails extend to the outer ends of the rubber shock absorption pad and the third geotextile, and the welding support nails are buried in the concrete bottom plate after the concrete bottom plate is laid to form a whole.
Preferably, the concrete cushion is connected with the concrete bottom plate through the welding support nail, and the rubber shock pad is laid in the middle intermediate layer of concrete cushion and concrete bottom plate.
Preferably, the rubber shock pad is separated from the concrete cushion and the concrete bottom plate respectively by paving second geotextile and third geotextile at the front end and the back end.
Preferably, the construction template is located the side of concrete bottom plate, and the construction template is stainless steel material, and the construction template passes through welding and steel decking fixed connection.
Preferably, the construction template is rectangular and long, the upper end and the lower end of the construction template are communicated, and the concrete ballast wall is poured inside the construction template.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) this kind of railway bridge whole steel bridge panel goes up railway ballast groove, through setting up the concrete cushion, the concrete cushion is the intermediate level of concrete bottom plate and steel bridge panel, the concrete cushion makes steel bridge panel surfacing be convenient for carry out the construction operation on it, also play the effect of protection steel bridge panel, bury the welding brace inside the concrete bottom plate after concrete bottom plate is laid, it is integrative to form, the steel bridge panel passes through concrete cushion and concrete bottom plate formation, the concrete cushion is made level, keep apart and transitional action, can improve concrete bottom plate's water stability and frost heaving resistance ability, and but the diffusion load, warp with reducing the concrete bottom plate, the life of extension concrete bottom plate.
(2) The rubber shock pad has been laid through the intermediate layer at concrete cushion and concrete bottom plate, the rubber shock pad cuts off with concrete cushion and concrete bottom plate respectively through laying second geotechnological cloth and third geotechnological cloth at positive and negative both ends, second geotechnological cloth and third geotechnological cloth can play waterproof wall effect, guarantee rubber shock pad is not corroded, the rubber shock pad can improve concrete bottom plate's compressive strength, and the contrast shear strength influence is very little, the rubber shock pad can be gone on the steel bridge panel to the bridge load transmission, can adapt to the bridge simultaneously and warp and reduce vibrations, reducible train is gone to the influence of concrete bottom plate, the life of concrete bottom plate is promoted.
(3) Pass through welding and steel bridge deck plate fixed connection through setting up the construction template, can increase the stability of construction template and steel bridge deck plate through direct welding, the construction template is rectangular form, the upper and lower both ends of construction template are linked together, and concrete tiny fragments of stone, coal, etc. wall pours in the inside of construction template, through the inside concreting concrete tiny fragments of stone, coal, etc. wall at the construction template, the bottom concrete of concrete tiny fragments of stone, coal, etc. wall condenses the back and the fixed surface of steel bridge deck plate, and strut the concrete tiny fragments of stone, coal, etc. wall through the construction template, the stability of concrete tiny fragments of stone, coal, etc. wall has been promoted greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the surface connection structure of the steel bridge deck of the present invention.
Fig. 3 is a schematic view of the structure a of the present invention.
Fig. 4 is the concrete structure schematic diagram of the construction template of the utility model.
In the figure: 1-steel deck slab; 2-antirust priming paint; 3-waterproof cloth; 4-a first geotextile; 5-concrete cushion; 6-welding support pins; 7-second geotextile; 8-rubber shock-absorbing pad; 9-third geotextile; 10-concrete floor; 11-constructing a template; 12-concrete ballast wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example (b):
as shown in figures 1-4;
the embodiment provides a railway bridge integral steel bridge deck ballast groove, which comprises a steel bridge deck 1, an anti-rust primer 2, a waterproof cloth 3, a first geotextile 4, a concrete cushion 5, a welding support nail 6, a second geotextile 7, a rubber shock pad 8, a third geotextile 9, a concrete bottom plate 10, a construction template 11 and a concrete ballast wall 12, wherein the anti-rust primer 2 is sprayed on the surface of the steel bridge deck 1, the waterproof cloth 3 is paved on the surface of the steel bridge deck 1, the first geotextile 4 is paved on the upper end of the waterproof cloth 3, the concrete cushion 5 is paved on the upper end of the first geotextile 4, the welding support nail 6 is pre-buried inside the concrete cushion 5, the second geotextile 7 is paved on the upper end of the concrete cushion 5, the rubber shock pad 8 is paved on the upper end of the second geotextile 7, the third geotextile 9 is paved on the upper end of the rubber shock pad 8, and the concrete bottom plate 10 is paved on the third geotextile 9, the upper end of the side face of the steel bridge deck 1 is provided with a construction template 11, and a concrete ballast wall 12 is built inside the construction template 11.
Further, welding brace 6 runs through second geotechnological cloth 7 and rubber shock pad 8 in proper order, and rubber shock pad 8 is through welding brace 6 and 5 fixed connection of concrete cushion, and concrete cushion 5 is the intermediate level of concrete bottom plate 10 and steel bridge panel 1, and concrete cushion 5 makes 1 surfacing of steel bridge panel be convenient for carry out the construction operation on it, also plays the effect of protection steel bridge panel 1.
Further, welding branch nail 6 extends to the outer end of rubber shock pad 8 and third geotechnological cloth 9, concrete bottom plate 10 is laid the back and is buried welding branch nail 6 inside concrete bottom plate 10, it is integrative to form, steel bridge panel 1 forms integratively with concrete bottom plate 10 through concrete cushion 5, concrete cushion 5 plays to make level, keep apart and transitional action, can improve concrete bottom plate 10's water stability and frost heaving resistance, and the diffusible load, with the deformation of reduction concrete bottom plate 10, the life of extension concrete bottom plate 10.
Further, concrete cushion 5 is connected with concrete floor 10 through welding brace nail 6, rubber shock pad 8 is laid at concrete cushion 5 and concrete floor 10's middle intermediate layer, rubber shock pad 8 has been laid through the middle intermediate layer at concrete cushion 5 and concrete floor 10, rubber shock pad 8 can improve concrete floor 10's compressive strength, and the antagonism shear strength influence is very little, rubber shock pad 8 can transmit the bridge load to steel bridge deck slab 1 goes, can adapt to the bridge simultaneously and warp and reduce vibrations, reducible train is gone to concrete floor 10's influence, promote concrete floor 10's life.
Further, rubber shock pad 8 cuts off with concrete cushion 5 and concrete bottom plate 10 respectively through laying second geotechnological cloth 7 and third geotechnological cloth 9 at positive and negative both ends, and second geotechnological cloth 7 and third geotechnological cloth 9 can play waterproof partition effect, and guarantee rubber shock pad 8 is not corroded.
Further, construction formwork 11 is located the side of concrete bottom plate 10, and construction formwork 11 is stainless steel material, and construction formwork 11 can increase construction formwork 11 and steel decking 1's stability through direct welding through welding and steel decking 1 fixed connection.
Further, the construction template 11 is rectangular and long, the upper end and the lower end of the construction template 11 are communicated, the concrete ballast wall 12 is poured inside the construction template 11, the bottom concrete of the concrete ballast wall 12 is fixed on the surface of the steel bridge deck 1 after being condensed, the concrete ballast wall 12 is supported through the construction template 11, and the stability of the concrete ballast wall 12 is greatly improved.
When the utility model provides a railway bridge whole steel bridge panel goes up railway ballast groove, concrete cushion 5 is the intermediate level of concrete bottom plate 10 and steel bridge panel 1, concrete cushion 5 makes steel bridge panel 1 surfacing be convenient for carry out the construction operation on it, also play the effect of protection steel bridge panel 1, bury welding brace 6 inside concrete bottom plate 10 after concrete bottom plate 10 lays, form an organic whole, steel bridge panel 1 forms an organic whole with concrete bottom plate 10 through concrete cushion 5, concrete cushion 5 plays the effect of making level, keep apart and transition, can improve the water stability and the anti frost heaving ability of concrete bottom plate 10, and can diffuse the load, in order to reduce concrete bottom plate 10 and warp, prolong the life of concrete bottom plate 10;
the rubber shock pad 8 is laid in the middle interlayer of the concrete cushion 5 and the concrete bottom plate 10, the rubber shock pad 8 is respectively separated from the concrete cushion 5 and the concrete bottom plate 10 by laying the second geotextile 7 and the third geotextile 9 at the front end and the back end, the second geotextile 7 and the third geotextile 9 can play a role of waterproof separation, the rubber shock pad 8 is protected from being corroded, the rubber shock pad 8 can improve the compressive strength of the concrete bottom plate 10, the influence of the anti-shearing strength is small, the rubber shock pad 8 can transmit the bridge load to the steel bridge deck plate 1, meanwhile, the deformation and the vibration of the bridge can be adapted, the influence of the running of a train on the concrete bottom plate 10 can be reduced, and the service life of the concrete bottom plate 10 is prolonged;
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. A railway bridge integral steel bridge deck ballast groove comprises a steel bridge deck (1), an anti-rust primer (2), a waterproof cloth (3), a first geotextile (4), a concrete cushion (5), welding support nails (6), a second geotextile (7), a rubber shock pad (8), a third geotextile (9), a concrete bottom plate (10), a construction template (11) and a concrete ballast wall (12), and is characterized in that the anti-rust primer (2) is sprayed on the surface of the steel bridge deck (1), the waterproof cloth (3) is laid on the surface of the steel bridge deck (1), the first geotextile (4) is laid on the upper end of the waterproof cloth (3), the concrete cushion (5) is laid on the upper end of the first geotextile (4), the welding support nails (6) are pre-buried in the concrete cushion (5), the second geotextile (7) is laid on the upper end of the concrete cushion (5), rubber shock pad (8) have been laid to the upper end of second geotechnique's cloth (7), third geotechnique's cloth (9) have been laid to the upper end of rubber shock pad (8), concrete bottom plate (10) have been laid to third geotechnique's cloth (9), the side upper end of steel decking (1) is provided with construction formwork (11), concrete tiny fragments of stone or stone wall (12) have been built by laying bricks or stones to the inside of construction formwork (11).
2. The railway bridge integral steel bridge panel ballast groove as claimed in claim 1, wherein the welding support pins (6) sequentially penetrate through the second geotextile (7) and the rubber shock-absorbing pad (8), and the rubber shock-absorbing pad (8) is fixedly connected with the concrete cushion (5) through the welding support pins (6).
3. The railway bridge integral steel bridge deck ballast groove as claimed in claim 1, wherein the welding support pins (6) extend to the outer ends of the rubber shock-absorbing pad (8) and the third geotextile (9), and the welding support pins (6) are buried in the concrete bottom plate (10) after the concrete bottom plate (10) is laid to form a whole.
4. The ballast groove on the integral steel bridge deck of the railway bridge according to claim 1, wherein the concrete cushion (5) is connected with the concrete bottom plate (10) through a welding support pin (6), and the rubber shock-absorbing pad (8) is laid on an interlayer between the concrete cushion (5) and the concrete bottom plate (10).
5. The ballast groove on the integral steel bridge deck of the railway bridge according to claim 1, wherein the rubber shock-absorbing pad (8) is separated from the concrete cushion (5) and the concrete bottom plate (10) by paving a second geotextile (7) and a third geotextile (9) on the front end and the back end respectively.
6. The ballast trough on the integral steel bridge deck of the railway bridge according to claim 1, wherein the construction formwork (11) is located on the side surface of the concrete bottom plate (10), the construction formwork (11) is made of stainless steel materials, and the construction formwork (11) is fixedly connected with the steel bridge deck (1) through welding.
7. The railway bridge integral steel bridge deck ballast trough according to claim 1, wherein the construction formwork (11) is rectangular and long, the upper end and the lower end of the construction formwork (11) are communicated, and the concrete ballast wall (12) is poured inside the construction formwork (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201166.0U CN212316678U (en) | 2019-12-10 | 2019-12-10 | Railway bridge integral steel bridge deck slab ballast groove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201166.0U CN212316678U (en) | 2019-12-10 | 2019-12-10 | Railway bridge integral steel bridge deck slab ballast groove |
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| CN212316678U true CN212316678U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214877A (en) * | 2021-11-26 | 2022-03-22 | 中铁一局集团有限公司 | High-speed railway track bed construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214877A (en) * | 2021-11-26 | 2022-03-22 | 中铁一局集团有限公司 | High-speed railway track bed construction method |
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