CN205012221U - Embedded track structure that is fit for medium and small span bridge - Google Patents
Embedded track structure that is fit for medium and small span bridge Download PDFInfo
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- CN205012221U CN205012221U CN201520764332.7U CN201520764332U CN205012221U CN 205012221 U CN205012221 U CN 205012221U CN 201520764332 U CN201520764332 U CN 201520764332U CN 205012221 U CN205012221 U CN 205012221U
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- rail support
- embedded
- support groove
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- 239000011150 reinforced concrete Substances 0.000 claims abstract description 53
- 238000011065 in-situ storage Methods 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 241001669679 Eleotris Species 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an embedded track structure that is fit for medium and small span bridge, including bridge roof, bridge floor cast -in -place layer, connecting elements, reinforced concrete base, support rail groove and cell type track, the pouring of bridge floor cast -in -place layer is on the bridge roof, cell type track and support rail groove have two respectively, every the cell type track respectively embedded setting in a support rail groove, two support rail groove is in parallel to each other along vertically being embedded into in the reinforced concrete base, the setting of reinforced concrete base is on bridge floor cast -in -place layer and connect into whole through the connecting elements with bridge floor cast -in -place layer and reinforced concrete base. The beneficial effects of the utility model are that: adopt the embedded track structure, damping the noise reduction effect is good, simple structure, the dead weight is light, has reduced the structure requirement of city bridge, has reduced engineering cost, and satisfies the requirement of the quick construction in city, the connecting elements adopts the rigid connection mode, has increased on bridge track structure's overall stability.
Description
Technical field
The utility model relates to a kind of track structure, and particularly a kind of embedded tracks structure of applicable medium and small span bridge, is suitable for medium and small span bridge occasion, belongs to technical field of rail traffic.
Background technology
Modern tram circuit generally all can navigate within urban district, or near resident.Therefore, the requirement of environmental protection aspect is high, needs strict control noises and vibration, and this just requires that track structure should have good vibration and noise reducing performance.Further, large owing to affecting urban traffic when building track circuit in city, track structure will be made when designed path as far as possible simple, be applicable to rapid construction thus shorten construction period.
Tradition Ballast track is large because of its maintenance amount, and easily causes rock ballast to splash in train travelling process, is easy to cause security incident when particularly running in city.And traditional ballastless track structure exist the secondary dead load of deadweight and bridge greatly, the structural requirement of bridge and the shortcoming such as construction costs is high, construction requirement is high, construction speed is slow, the requirement of rapid construction in city can not be met.
And no matter be traditional Ballast track, or traditional non-fragment orbit, all adopt fastener type track, its effect of vibration and noise reduction is not good, can not meet the requirement meeting environmental protection aspect very well.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides a kind of embedded tracks structure of applicable medium and small span bridge, and structure is simple, and construction requirement is low, and construction is fast, and vibration and noise reducing performance is good.
The first technical scheme that the utility model adopts:
A kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer, connecting elements, reinforced concrete footing, rail support groove and grooved track, described bridge floor in-situ layer is cast on bridge top board, described grooved track and rail support groove have two respectively, grooved track described in every root is embedded to be respectively arranged in a rail support groove, two described rail support grooves are longitudinally embedded in reinforced concrete footing in parallel to each other, described reinforced concrete footing to be arranged on bridge floor in-situ layer and by connecting elements, bridge floor in-situ layer and reinforced concrete footing to be connected into entirety.
As preferably, both sides, described rail support groove bottom evagination forms " convex " type structure, or indent forms " recessed " type structure." convex " type or " recessed " type structure all can limit rail support groove displacement vertically and transversely effectively.
As preferably, described rail support groove is prefabricated concrete rail support groove or steel rail support groove.Rail support groove adopts prefabrication system first to carry out, and is embedded in reinforced concrete footing at the construction field (site), reduces the secondary dead load of bridge, reduce the structural requirement of bridge, decrease the construction costs of bridge.
When described rail support groove is prefabricated concrete rail support groove, described connecting elements adopts horizontal or vertical or both modes of having concurrently are pre-buried; During vertical pre-buried connecting elements, its upper end is embedded in reinforced concrete footing, and lower end is embedded in bridge floor in-situ layer; During the pre-buried connecting elements of level, its one end is embedded in rail support groove, and the other end is embedded in reinforced concrete footing.
When described rail support groove is cast-in-place concrete rail support groove, described connecting elements lower end is embedded in bridge floor in-situ layer, and upper end is embedded in reinforced concrete footing.
The second technical scheme that the utility model adopts:
A kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer, connecting elements, reinforced concrete footing, rail support groove and grooved track, described bridge floor in-situ layer is cast on bridge top board, described grooved track and rail support groove have two respectively, grooved track described in every root is embedded to be respectively arranged in a prefabricated steel rail support groove, two described rail support grooves are longitudinally embedded to be in parallel to each other arranged in bridge floor in-situ layer, and rail support groove and bridge top board are connected into entirety by described connecting elements.
In the technical program, steel rail support groove is directly supported on bridge top board, reduces the structure height of embedded tracks, makes right of way both be applicable to tram and runs, be applicable to again road vehicle and run, realize right of way and share.
As preferably, described rail support groove both sides also arrange the rivet for strengthening anchoring respectively, and described connecting elements lower end is embedded in bridge top board, and upper end is welded with rivet or rail support groove.Rivet arrangement can strengthen the anchorage effect between rail support groove and bridge top board further.
Above-mentioned two technical schemes are carried out further preferably, by placed on it for grooved track after the groove inner bottom surface continuous laying resilient sleeper-bearing of described rail support groove, then with remaining space in Macromolecular pouring material filling slot, grooved track is fixed.
Carry out further preferably to above-mentioned two technical schemes, described connecting elements is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Carry out further preferably above-mentioned two technical schemes, described reinforced concrete footing longitudinally adopts continuously or intermittent configuration along grooved track.Under the prerequisite ensureing grooved track fastness, reinforced concrete footing also can adopt intermittent configuration, and spacing distance is determined according to actual conditions, and the benefit arranged so suitably can reduce material consumption, reduces the manufacturing cost of track.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, combine the advantage of embedded tracks structure, effect of vibration and noise reduction is good;
2, adopt continuous supporting way, reduce the ripple abrasive wear of rail;
3, compare that tradition has the tiny fragments of stone, coal, etc., ballastless track structure is compared, structure is simple, from heavy and light, reduces the structural requirement of Urban Bridge, reduces the construction costs of bridge, and meet the requirement of city rapid construction;
4, connecting elements adopts rigid connection, adds the resistance to overturning of bridge deck track structure.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the utility model embodiment 1.
Fig. 2 is the cross-sectional view of the utility model embodiment 2.
Fig. 3 is the cross-sectional view of the utility model embodiment 3.
Fig. 4 is the cross-sectional view of the utility model embodiment 4.
Fig. 5 is the cross-sectional view of the utility model embodiment 5.
Fig. 6 is rail mounting structure enlarged drawing in embodiment 1,2.
Mark in figure: 1 is bridge floor in-situ layer, and 2 is connecting elements, and 3 is reinforced concrete footing, and 4 is rail support groove, and 5 is Macromolecular pouring material, and 6 is groove-shape rail, and 7 is resilient sleeper-bearing, and 8 is rivet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1:
As Fig. 1, shown in 6, a kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer 1, connecting elements 2, reinforced concrete footing 3, rail support groove 4 and grooved track 6, described bridge floor in-situ layer 1 is cast on bridge top board, described grooved track 6 and rail support groove 4 have two respectively, grooved track 6 described in every root is embedded to be respectively arranged in a rail support groove 4, two described rail support grooves 4 are longitudinally embedded in reinforced concrete footing 3 in parallel to each other, described reinforced concrete footing 3 to be arranged on bridge floor in-situ layer 1 and by connecting elements 2, bridge floor in-situ layer 1 and reinforced concrete footing 3 to be connected into entirety.
Both sides, described rail support groove 4 bottom evagination forms " convex " type structure.
Described rail support groove 4 is prefabricated concrete rail support groove.
Described connecting elements 2 adopts vertical mode pre-buried, and its upper end is embedded in reinforced concrete footing 3, and lower end is embedded in bridge floor in-situ layer 1.
By placed on it for grooved track 6 after the groove inner bottom surface continuous laying resilient sleeper-bearing 7 of described rail support groove 4, then with remaining space in Macromolecular pouring material 5 filling slot, grooved track 6 is fixed.
Described connecting elements 2 is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Described reinforced concrete footing 3 longitudinally adopts continuously or intermittent configuration along grooved track 6.
Embodiment 2:
As Fig. 2, shown in 6, a kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer 1, connecting elements 2, reinforced concrete footing 3, rail support groove 4 and grooved track 6, described bridge floor in-situ layer 1 is cast on bridge top board, described grooved track 6 and rail support groove 4 have two respectively, grooved track 6 described in every root is embedded to be respectively arranged in a rail support groove 4, two described rail support grooves 4 are longitudinally embedded in reinforced concrete footing 3 in parallel to each other, described reinforced concrete footing 3 to be arranged on bridge floor in-situ layer 1 and by connecting elements 2, bridge floor in-situ layer 1 and reinforced concrete footing 3 to be connected into entirety.
Both sides, described rail support groove 4 bottom evagination forms " convex " type structure.
Described rail support groove 4 is prefabricated concrete rail support groove.
Described connecting elements 2 adopts vertical mode pre-buried, and its upper end is embedded in reinforced concrete footing 3, and lower end is embedded in bridge floor in-situ layer 1; During the pre-buried connecting elements 2 of level, its one end is embedded in rail support groove 4, and the other end is embedded in reinforced concrete footing 3.
By placed on it for grooved track 6 after the groove inner bottom surface continuous laying resilient sleeper-bearing 7 of described rail support groove 4, then with remaining space in Macromolecular pouring material 5 filling slot, grooved track 6 is fixed.
Described connecting elements 2 is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Described reinforced concrete footing 3 longitudinally adopts continuously or intermittent configuration along grooved track 6.
Embodiment 3:
As shown in Figure 3, a kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer 1, connecting elements 2, reinforced concrete footing 3, rail support groove 4 and grooved track 6, described bridge floor in-situ layer 1 is cast on bridge top board, described grooved track 6 and rail support groove 4 have two respectively, grooved track 6 described in every root is embedded to be respectively arranged in a rail support groove 4, two described rail support grooves 4 are longitudinally embedded in reinforced concrete footing 3 in parallel to each other, described reinforced concrete footing 3 to be arranged on bridge floor in-situ layer 1 and by connecting elements 2, bridge floor in-situ layer 1 and reinforced concrete footing 3 to be connected into entirety.
Described rail support groove 4 is prefabricated concrete rail support groove.
The mode that described connecting elements 2 adopts both vertical and horizontals to have concurrently is pre-buried; During vertical pre-buried connecting elements 2, its upper end is embedded in reinforced concrete footing 3, and lower end is embedded in bridge floor in-situ layer 1; During the pre-buried connecting elements 2 of level, its one end is embedded in rail support groove 4, and the other end is embedded in reinforced concrete footing 3.
By placed on it for grooved track 6 after the groove inner bottom surface continuous laying resilient sleeper-bearing 7 of described rail support groove 4, then with remaining space in Macromolecular pouring material 5 filling slot, grooved track 6 is fixed.
Described connecting elements 2 is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Described reinforced concrete footing 3 longitudinally adopts continuously or intermittent configuration along grooved track 6.
Embodiment 4:
As shown in Figure 4, a kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer 1, connecting elements 2, reinforced concrete footing 3, rail support groove 4 and grooved track 6, described bridge floor in-situ layer 1 is cast on bridge top board, described grooved track 6 and rail support groove 4 have two respectively, grooved track 6 described in every root is embedded to be respectively arranged in a rail support groove 4, two described rail support grooves 4 are longitudinally embedded in reinforced concrete footing 3 in parallel to each other, described reinforced concrete footing 3 to be arranged on bridge floor in-situ layer 1 and by connecting elements 2, bridge floor in-situ layer 1 and reinforced concrete footing 3 to be connected into entirety.
Described rail support groove adopts cast-in-situ concrete rail support groove.
Described connecting elements 2 lower end is embedded in bridge floor in-situ layer 1, and upper end is embedded in reinforced concrete footing 3.
By placed on it for grooved track 6 after the groove inner bottom surface continuous laying resilient sleeper-bearing 7 of described rail support groove 4, then with remaining space in Macromolecular pouring material 5 filling slot, grooved track 6 is fixed.
Described connecting elements 2 is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Described reinforced concrete footing 3 longitudinally adopts continuously or intermittent configuration along grooved track 6.
Embodiment 5:
As shown in Figure 5, a kind of embedded tracks structure of applicable medium and small span bridge, comprise bridge top board, bridge floor in-situ layer 1, connecting elements 2, reinforced concrete footing 3, rail support groove 4 and grooved track 6, described bridge floor in-situ layer 1 is cast on bridge top board, described grooved track 6 and rail support groove 4 have two respectively, grooved track 6 described in every root is embeddedly respectively be arranged in a prefabricated steel rail support groove 4, two described rail support grooves 4 are longitudinally embedded is in parallel to each other arranged in bridge floor in-situ layer 1 and bottom directly and bridge top plate contact, rail support groove 4 and bridge top board are connected into entirety by described connecting elements 2.
Described rail support groove 4 is prefabricated steel rail support groove.
Described rail support groove 4 both sides also arrange the rivet 8 for strengthening anchoring respectively, and described connecting elements 2 lower end is embedded in bridge top board, and upper end is welded with rivet 8.
By placed on it for grooved track 6 after the groove inner bottom surface continuous laying resilient sleeper-bearing 7 of described rail support groove 4, then with remaining space in Macromolecular pouring material 5 filling slot, grooved track 6 is fixed.
Described connecting elements 2 is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.Aforementioned three kinds of structures are citing just, and connecting elements can also have a variety of.
Described reinforced concrete footing 3 longitudinally adopts continuously or intermittent configuration along grooved track 6.
Claims (10)
1. the embedded tracks structure of an applicable medium and small span bridge, it is characterized in that: comprise bridge top board, bridge floor in-situ layer (1), connecting elements (2), reinforced concrete footing (3), rail support groove (4) and grooved track (6), described bridge floor in-situ layer (1) is cast on bridge top board, described grooved track (6) and rail support groove (4) have two respectively, grooved track (6) described in every root is embedded to be respectively arranged in a rail support groove (4), two described rail support grooves (4) are longitudinally embedded in reinforced concrete footing (3) in parallel to each other, described reinforced concrete footing (3) is arranged on bridge floor in-situ layer (1) and goes up and by connecting elements (2), bridge floor in-situ layer (1) and reinforced concrete footing (3) connected into entirety.
2. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 1, is characterized in that: described rail support groove (4) both sides, bottom evagination forms " convex " type structure, or indent forms " recessed " type structure.
3. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 1, is characterized in that: described rail support groove (4) is prefabricated concrete rail support groove or steel rail support groove.
4. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 3, it is characterized in that: when described rail support groove (4) is for prefabricated concrete rail support groove, described connecting elements (2) adopts horizontal or vertical or both modes of having concurrently are pre-buried; Time vertical pre-buried connecting elements (2), its upper end is embedded in reinforced concrete footing (3), and lower end is embedded in bridge floor in-situ layer (1); During the pre-buried connecting elements of level (2), its one end is embedded in rail support groove (4), and the other end is embedded in reinforced concrete footing (3).
5. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 3, it is characterized in that: when described rail support groove (4) is for cast-in-place concrete rail support groove, described connecting elements (2) lower end is embedded in bridge floor in-situ layer (1), and upper end is embedded in reinforced concrete footing (3).
6. the embedded tracks structure of an applicable medium and small span bridge, it is characterized in that: comprise bridge top board, bridge floor in-situ layer (1), connecting elements (2), reinforced concrete footing (3), rail support groove (4) and grooved track (6), described bridge floor in-situ layer (1) is cast on bridge top board, described grooved track (6) and rail support groove (4) have two respectively, grooved track (6) described in every root is embedded to be respectively arranged in a prefabricated steel rail support groove (4), two described rail support grooves (4) are longitudinally embedded is in parallel to each other arranged in bridge floor in-situ layer (1) and bottom directly and bridge top plate contact, rail support groove (4) and bridge top board are connected into entirety by described connecting elements (2).
7. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 6, it is characterized in that: described rail support groove (4) both sides also arrange the rivet (8) for strengthening anchoring respectively, described connecting elements (2) lower end is embedded in bridge top board, and upper end is welded with rivet (8) or rail support groove (4).
8. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 1 or 6, it is characterized in that: by placed on it for grooved track (6) after groove inner bottom surface continuous laying resilient sleeper-bearing (7) of described rail support groove (4), then with remaining space in Macromolecular pouring material (5) filling slot, grooved track (6) is fixed.
9. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 1 or 6, is characterized in that: described connecting elements (2) is "door" type reinforcing bar or " 7 " steel bar or bar shaped reinforcing bar.
10. the embedded tracks structure of a kind of applicable medium and small span bridge according to claim 1 or 6, is characterized in that: described reinforced concrete footing (3) longitudinally adopts continuously or intermittent configuration along grooved track (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764332.7U CN205012221U (en) | 2015-09-30 | 2015-09-30 | Embedded track structure that is fit for medium and small span bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764332.7U CN205012221U (en) | 2015-09-30 | 2015-09-30 | Embedded track structure that is fit for medium and small span bridge |
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| CN205012221U true CN205012221U (en) | 2016-02-03 |
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| CN201520764332.7U Active CN205012221U (en) | 2015-09-30 | 2015-09-30 | Embedded track structure that is fit for medium and small span bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133493A (en) * | 2015-09-30 | 2015-12-09 | 成都市新筑路桥机械股份有限公司 | Embedded track structure suitable for middle-span and small-span bridge and construction method |
| CN106192718A (en) * | 2016-08-29 | 2016-12-07 | 广东冠生土木工程技术有限公司 | A kind of can the bridge of quick-assembling and manufacture method thereof |
-
2015
- 2015-09-30 CN CN201520764332.7U patent/CN205012221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133493A (en) * | 2015-09-30 | 2015-12-09 | 成都市新筑路桥机械股份有限公司 | Embedded track structure suitable for middle-span and small-span bridge and construction method |
| CN105133493B (en) * | 2015-09-30 | 2017-03-22 | 成都市新筑路桥机械股份有限公司 | Embedded track structure suitable for middle-span and small-span bridge and construction method |
| CN106192718A (en) * | 2016-08-29 | 2016-12-07 | 广东冠生土木工程技术有限公司 | A kind of can the bridge of quick-assembling and manufacture method thereof |
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| Date | Code | Title | Description |
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Effective date of registration: 20240112 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |