CN204059109U - Modern tram solid concrete roabed integral structure - Google Patents
Modern tram solid concrete roabed integral structure Download PDFInfo
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- CN204059109U CN204059109U CN201420546830.XU CN201420546830U CN204059109U CN 204059109 U CN204059109 U CN 204059109U CN 201420546830 U CN201420546830 U CN 201420546830U CN 204059109 U CN204059109 U CN 204059109U
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Abstract
The utility model discloses a kind of modern tram solid concrete roabed integral structure, comprise ground layer, base plate, track plates and rail assemblies successively from lower to upper.Described base plate monobloc cast on described ground is shaping, the end face of described base plate is set to plucking surface, monobloc cast is shaping on the surface at described plucking for described track plates, the some joint bars for being connected with described track plates are preset with in described base plate, described joint bar one end is embedded in described base plate in advance, and the other end extends upwardly in described track plates.The utility model creatively utilizes track plates and base plate jointly to form the integrated superposed member carrying operational phase load, each region member section bearing capacity is able to abundant application, relative to original structure form, component gross thickness significantly reduces, application completely not only significantly can reduce cost, change row due to what can avoid a large amount of shallow embedding pipeline, greatly reduce construction period and construct and implement difficulty, there is good society, environmental benefit simultaneously.
Description
Technical field
The utility model relates to the technical field of track structure design, particularly relates to a kind of modern tram solid concrete roabed integral structure.
Background technology
Modern tram is as the track traffic of middle freight volume, and the feature such as low with low-carbon (LC), environmental protection, construction and maintenance cost, riding comfort is good, can adapt to the backbone network traffic of the Xincheng District of big and medium-sized cities, development zone and the cities of secondary grade well.According to working as preplanning, will more than 1000 kilometers to modern domestic tram mileage open to traffic before the year two thousand twenty, development prospect is wide.
For reducing late maintaining workload and promoting aesthetic, modern tram generally adopts solid concrete roabed.According to current conventional scheme, although monolithic roadbed track plate and bottom support casting thereof are all reinforced concrete structure and bonded to each other, member designs is but independent separately to be considered, therefore rail rectangular structure thing gross thickness is comparatively large, thus will cause the resettlement or adjustment buried depth of planning to build a large amount of shallow embedding pipeline in place.Especially for the existing road section that underground utilities are intensive, not only significantly add engineering cost, also seriously constrain the duration.
Therefore, the present inventor is devoted to develop a kind of modern tram solid concrete roabed integral structure, realizes reducing its cost further, and make each region member section bearing capacity fully be applied, difficulty is constructed and implemented in shortening construction period and reduction simultaneously.
Utility model content
Because the above-mentioned deficiency of prior art, the utility model proposes a kind of modern tram solid concrete roabed integral structure, realize reducing its cost further, make each region member section bearing capacity fully be applied, difficulty is constructed and implemented in shortening construction period and reduction simultaneously.
For achieving the above object, the utility model provides a kind of modern tram solid concrete roabed integral structure, comprises ground layer, base plate, track plates and rail assemblies successively from lower to upper.Described base plate monobloc cast on described ground layer is shaping, the end face of described base plate is set to plucking surface, monobloc cast is shaping on the surface at described plucking for described track plates, the some joint bars for being connected with described track plates are preset with in described base plate, described joint bar one end is embedded in described base plate in advance, and the other end extends upwardly in described track plates.
Preferably, the mount pad of described rail assemblies is preset in described track plates, and by the monobloc cast of described track plates, shaping and described track plates consolidation is integrated.
Preferably, described base plate is monolithic reinforced concrete structure, and reinforcement ratio is not less than 0.2%.
Preferably, the concave-convex surface on described plucking surface is not less than 4mm.
Preferably, the thickness of described base plate is 300mm ~ 500mm.
Preferably, described base plate is longitudinally provided with a deformation joint every 20m ~ 30m along circuit.
Preferably, described track plates is monolithic reinforced concrete structure.
Preferably, described track plates is longitudinally provided with a deformation joint every 10m ~ 15m along circuit.
Preferably, described modern tram solid concrete roabed integral structure also comprises pave-load layer, and described pave-load layer covers in described rail assemblies.
Preferably, described pave-load layer is asphalt concrete layer, lawn greening layer or pattern face brick layer.
The beneficial effect of modern tram solid concrete roabed integral structure of the present utility model is as follows:
The utility model creatively utilizes track plates and base plate jointly to form the integrated superposed member carrying operational phase load, and each region member section bearing capacity is able to abundant application, and relative to original structure form, component gross thickness significantly reduces.Concrete amount about 35% can be reduced under equal conditions, reduce amount of reinforcement about 20%, application completely not only significantly can reduce cost, changes row due to what can avoid a large amount of shallow embedding pipeline, greatly reduce construction period and construct and implement difficulty, there is good society, environmental benefit simultaneously.
Wherein, track plates of the present utility model and base plate are that respective monobloc cast is shaping, and base plate be positioned at ground is directly built shaping, track plates be positioned at base plate is directly built shaping, pipeline arrangement can not be affected, coordinate the integral structure that plucking surface and joint bar make track plates and base plate be formed again cleverly, overall structure is reliability more.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the generalized section of specific embodiment modern tram solid concrete roabed integral structure.
Fig. 2 is joint bar layout schematic diagram on specific embodiment base plate.
Detailed description of the invention
As shown in Figure 1, a kind of modern tram solid concrete roabed integral structure of the present embodiment, comprises ground layer 10, base plate 20, track plates 30 and rail assemblies 40 from lower to upper successively.Wherein, base plate 20 monobloc cast on ground layer 10 of the present embodiment is shaping, the end face of base plate 20 is set to plucking surface 21, track plates 30 monobloc cast on plucking surface 21 is shaping, the some joint bars 50 for being connected with track plates 30 are preset with in base plate 20, joint bar 50 one end is embedded in base plate 20 in advance, and the other end extends upwardly in track plates 30.
Concrete, the rail assemblies 40 of the present embodiment comprises rail 41, dedicated fastener 42 and mount pad 43, the mount pad 43 of rail assemblies 40 is preset in track plates 30, be integrated with track plates 30 consolidation by the monobloc cast of track plates 30 is shaping, namely, before track plates 30 starts to build, what first mount pad is placed on track plates builds in die cavity, when concreting, the part of mount pad is wrapped up by concrete, can realize both consolidations when track plates monobloc cast is shaping.The modern tram solid concrete roabed integral structure of the present embodiment also comprises pave-load layer 60, and pave-load layer 60 covers in rail assemblies 40, and pave-load layer 60 can select asphalt concrete layer, lawn greening layer or pattern face brick layer according to demand.
Exemplary, the present embodiment base plate 20 is monolithic reinforced concrete structure, and reinforcement ratio is not less than 0.2%, and the concave-convex surface on plucking surface 21 is not less than 4mm, the thickness of base plate 20 is 400mm, and base plate 20 is longitudinally provided with a deformation joint (not shown) every 25m along circuit.The track plates 30 of the present embodiment is also monolithic reinforced concrete structure, track plates 30 is longitudinally provided with a deformation joint (not shown) every 12.5m along circuit, track plates 30 width is 2600mm, the thickness of track plates 30 is then determined according to the model size of the mount pad 43 of rail assemblies 40 and track structure Force Calculation, the upper surface of track plates 30 arranges herringbone slope, the gradient 1.5%.
Exemplary, as shown in Figure 2, joint bar 50 reserved in the present embodiment base plate 20 calculates according to the force request on plucking surface 21 to be determined, for conventional modern tram load-up condition, can adopt below every one steel rail and 4 row HRB400 level Φ 12 reinforcing bars are set, rebar spacing 200mm, single joint bar length 300mm, two ends anchor into base plate 20 and each 150mm of track plates 30.Stressed and the life requirement of the strength grade of concrete integrated structure that the base plate 20 of the present embodiment and track plates 30 adopt comprehensively is determined.Preferably, the strength grade of concrete that the base plate 20 of the present embodiment adopts is than the high one-level of track plates 30, and base plate 20 adopts the concrete being not less than C35 model to carry out shaping building.
Of course, in other specific embodiments, the rail assemblies of the present embodiment also can adopt other modes to be connected with track plates, the concrete dimensional values that the modern tram solid concrete roabed integral structure of the present embodiment relates to can regulate according to actual conditions, thickness as base plate can also be 300mm or 500mm etc., the deformation joint spacing that described base plate is arranged also can be 20m or 30m etc., the deformation joint spacing that described track plates is arranged can be also 10m or 15m etc., from then on repeats no more.
Exemplary, the concrete molding construction application process of the present embodiment modern tram solid concrete roabed integral structure is as follows:
1) original state ground or adopt ground stabilization mode process groundwork after adopting smooth, compacting, makes the coefficient of subgrade reaction K30 >=110MPa/m of ground layer 10.
2) complete after ground layer 10 processes, then monobloc cast base plate 20, and the reserved joint bar 50 be connected with track plates 30 for the later stage with process plucking surface 21.
3) after base plate 20 reaches some strength, track plates 30 pouring construction synchronously can be carried out with laying a railway track completely, what the mount pad 43 of rail assemblies 40 was preset in track plates builds in die cavity, the mount pad 43 of rail assemblies 40 and the consolidation of track plates 30 synchronously complete with concrete monobloc cast is shaping, one-shot forming.
4) after track plates 30 reaches some strength, the miscellaneous part of Matching installation rail assemblies 40 on mount pad 43, and last pave-load layer of having constructed.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (10)
1. a modern tram solid concrete roabed integral structure, comprise ground layer, base plate, track plates and rail assemblies successively from lower to upper, it is characterized in that: described base plate monobloc cast on described ground layer is shaping, the end face of described base plate is set to plucking surface, monobloc cast is shaping on the surface at described plucking for described track plates, the some joint bars for being connected with described track plates are preset with in described base plate, described joint bar one end is embedded in described base plate in advance, and the other end extends upwardly in described track plates.
2. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: the mount pad of described rail assemblies is preset in described track plates, and by the monobloc cast of described track plates, shaping and described track plates consolidation is integrated.
3. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: described base plate is monolithic reinforced concrete structure, and reinforcement ratio is not less than 0.2%.
4. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: the concave-convex surface on described plucking surface is not less than 4mm.
5. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: the thickness of described base plate is 300mm ~ 500mm.
6. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: described base plate is longitudinally provided with a deformation joint every 20m ~ 30m along circuit.
7. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: described track plates is monolithic reinforced concrete structure.
8. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: described track plates is longitudinally provided with a deformation joint every 10m ~ 15m along circuit.
9. modern tram solid concrete roabed integral structure as claimed in claim 1, is characterized in that: described modern tram solid concrete roabed integral structure also comprises pave-load layer, and described pave-load layer covers in described rail assemblies.
10. modern tram solid concrete roabed integral structure as claimed in claim 9, is characterized in that: described pave-load layer is asphalt concrete layer, lawn greening layer or pattern face brick layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546830.XU CN204059109U (en) | 2014-09-23 | 2014-09-23 | Modern tram solid concrete roabed integral structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546830.XU CN204059109U (en) | 2014-09-23 | 2014-09-23 | Modern tram solid concrete roabed integral structure |
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| CN204059109U true CN204059109U (en) | 2014-12-31 |
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| CN201420546830.XU Active CN204059109U (en) | 2014-09-23 | 2014-09-23 | Modern tram solid concrete roabed integral structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217550A (en) * | 2017-07-10 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | A kind of truss bars concrete folding plate, non-fragment orbit and construction method |
| CN107313307A (en) * | 2017-08-18 | 2017-11-03 | 中车青岛四方车辆研究所有限公司 | The modular construction method of tramcar anti-corrosion track |
| CN107881857A (en) * | 2017-11-10 | 2018-04-06 | 成都天府轨谷科技有限公司 | Magnetic suspension tunnel draining of rail system |
| CN107964833A (en) * | 2017-11-10 | 2018-04-27 | 成都天府轨谷科技有限公司 | Ground magnetic-levitation subgrade drainage system |
| CN107964873A (en) * | 2017-11-10 | 2018-04-27 | 成都天府轨谷科技有限公司 | Magnetic suspension aerial conveyor bridge drainage system |
| CN108086061A (en) * | 2017-12-28 | 2018-05-29 | 北京交通大学 | A kind of position limiting structure of non-fragment orbit |
| CN108755283A (en) * | 2018-06-14 | 2018-11-06 | 宋会茹 | A kind of fragment-free track slab connector and non-fragment orbit |
-
2014
- 2014-09-23 CN CN201420546830.XU patent/CN204059109U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217550A (en) * | 2017-07-10 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | A kind of truss bars concrete folding plate, non-fragment orbit and construction method |
| CN107313307A (en) * | 2017-08-18 | 2017-11-03 | 中车青岛四方车辆研究所有限公司 | The modular construction method of tramcar anti-corrosion track |
| CN107881857A (en) * | 2017-11-10 | 2018-04-06 | 成都天府轨谷科技有限公司 | Magnetic suspension tunnel draining of rail system |
| CN107964833A (en) * | 2017-11-10 | 2018-04-27 | 成都天府轨谷科技有限公司 | Ground magnetic-levitation subgrade drainage system |
| CN107964873A (en) * | 2017-11-10 | 2018-04-27 | 成都天府轨谷科技有限公司 | Magnetic suspension aerial conveyor bridge drainage system |
| CN107881857B (en) * | 2017-11-10 | 2021-03-30 | 成都天府轨谷科技有限公司 | Magnetic suspension tunnel track drainage system |
| CN108086061A (en) * | 2017-12-28 | 2018-05-29 | 北京交通大学 | A kind of position limiting structure of non-fragment orbit |
| CN108086061B (en) * | 2017-12-28 | 2023-12-22 | 北京交通大学 | Limiting structure of ballastless track |
| CN108755283A (en) * | 2018-06-14 | 2018-11-06 | 宋会茹 | A kind of fragment-free track slab connector and non-fragment orbit |
| CN108755283B (en) * | 2018-06-14 | 2019-06-11 | 台州大华铁路材料有限公司 | A kind of fragment-free track slab connector and non-fragment orbit |
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