CN204401373U - For structure under the prefabricated assembled rail of tram - Google Patents
For structure under the prefabricated assembled rail of tram Download PDFInfo
- Publication number
- CN204401373U CN204401373U CN201520006710.5U CN201520006710U CN204401373U CN 204401373 U CN204401373 U CN 204401373U CN 201520006710 U CN201520006710 U CN 201520006710U CN 204401373 U CN204401373 U CN 204401373U
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- assembling type
- type reinforced
- cavity structure
- prefabricated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a kind of for structure under the prefabricated assembled rail of tram, at least comprise prefabricated assembling type reinforced concrete cavity structure; Multiple cavity is arranged at intervals with in described prefabricated assembling type reinforced concrete cavity structure; The upper surface of described prefabricated assembling type reinforced concrete cavity structure is provided with multiple sleeper groove, and described sleeper slot is in the top of the connecting portion of prefabricated assembling type reinforced concrete cavity structure described in adjacent two; Be reserved with injected hole in described prefabricated assembling type reinforced concrete cavity structure, described injected hole is through to the lower surface of described prefabricated assembling type reinforced concrete cavity structure from the described upper surface of described prefabricated assembling type reinforced concrete cavity structure; Reserved sleeper block is provided with in described sleeper groove; Described reserved sleeper block is provided with track structure rail and fastener.The utility model has short construction period, and construction quality is secure, can reduce the beneficial effect of foundation settlement amplitude.
Description
Technical field
The utility model relates to streetcar track transportation building technical field, particularly relates to a kind of for structure under the prefabricated assembled rail of tram.
Background technology
Modern tram is as the track traffic of middle freight volume, and the advantage such as, ride comfort low with low-carbon (LC), environmental protection, construction and maintenance cost, has adapted to the demand of key transportation network 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.
But, under the rail of existing tram, the construction method of structure is: first construction subgrade foundation bed structure, plain concrete concrete support layer of constructing again and reinforced concrete cast-in-situ solid concrete roabed structure, adopt this construction method, not only cutting depth is large, and long construction period, complex procedures, final mass is also difficult to control.If need structure under rail built by the existing intersection that the traffic volume is larger, not only affect the normal operation of existing traffic, and be greater than the severe of ground due to the concrete severe as bedding filler adopted in existing form of construction work, be easy to produce additional load and the differential settlement that causes ground.
In addition, because under existing rail, structure easily causes the differential settlement of ground, thus easily cause track irregularity, and then affect the comfort level of traveller's, even cause the generation of electric car derailment accident.
Therefore, those skilled in the art be devoted to study a kind of short construction period, construction quality secure, can reduce foundation settlement amplitude for structure under the rail of tram.
Utility model content
Because the above-mentioned defect of prior art, the utility model provide a kind of short construction period, construction quality good, can reduce foundation settlement amplitude for structure under the prefabricated assembled rail of tram.
For achieving the above object, the utility model provides a kind of for structure under the prefabricated assembled rail of tram, at least comprises prefabricated assembling type reinforced concrete cavity structure; Multiple cavity is arranged at intervals with in described prefabricated assembling type reinforced concrete cavity structure; The upper surface of described prefabricated assembling type reinforced concrete cavity structure is provided with multiple sleeper groove, and described sleeper slot is in the top of the spacing of prefabricated assembling type reinforced concrete cavity structure described in adjacent two; Be reserved with injected hole in described prefabricated assembling type reinforced concrete cavity structure, described injected hole is through to the lower surface of described prefabricated assembling type reinforced concrete cavity structure from the described upper surface of described prefabricated assembling type reinforced concrete cavity structure; Reserved sleeper block is provided with in described sleeper groove; Described reserved sleeper block is provided with track structure rail and fastener.
Further, two ends along the longitudinal direction of described prefabricated assembling type reinforced concrete cavity structure are set to concave structure and convex shape respectively, and described concave structure and described convex shape are fit structure.
Further, also comprise pave-load layer and the hardcore bed being arranged at ground top, described prefabricated assembling type reinforced concrete cavity structure is arranged at described pave-load layer between described hardcore bed.
Further, the thickness of described hardcore bed is not less than 150mm.
Further, the allowable bearing capacity of foundation soil of described ground is not less than 120KPa.
Further, described pave-load layer adopts bituminous concrete, lawn greening or pattern face brick.
The beneficial effects of the utility model:
Of the present utility model for structure under the prefabricated assembled rail of tram, the solid filling-material structure of existing multilayer is replaced owing to adopting prefabricated assembling type reinforced concrete cavity structure, improve the intensity of structure under rail, reduce the weight of structure under rail, reduce the pressure acted on ground, thus reduce the subsiding extent of ground.
Because prefabricated assembling type reinforced concrete cavity structure can be prefabricated at precasting yard, site assembly, shortens the construction period that structure under rail is constructed at the scene, avoids due to the inconvenience brought existing traffic of constructing for a long time.Meanwhile, because prefabricated assembling type reinforced concrete cavity structure completes at precasting yard, detect at precasting yard, allow workmanship be protected further.
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 cross-sectional configuration schematic diagram of the utility model embodiment one.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the longitudinal plane structure schematic diagram of Fig. 1.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the utility model proposes a kind of for structure under the prefabricated assembled rail of tram.
In embodiment one, as shown in Figure 1, comprise for structure under the prefabricated assembled rail of tram the pave-load layer 1 being arranged at topmost, be set in turn in the prefabricated assembling type reinforced concrete cavity structure 2 of pave-load layer 1 bottom, hardcore bed 3 and ground 4.
As shown in Figure 1, in prefabricated assembling type reinforced concrete cavity structure 2, be arranged at intervals with four cavitys 21, and between adjacent two cavitys 21, form the connecting portion 22 that can ensure prefabricated assembling type reinforced concrete cavity structure 2.The use of this cavity structure improves the intensity of structure under rail, reduces the weight of structure under rail, reduces the pressure acted on ground, thus reduce the subsiding extent of ground.Meanwhile, due to the raising of structural strength under rail, the height of structure under rail can be reduced, thus the migration of a large amount of shallow embedding pipeline can be avoided, reduce labour intensity.
As shown in Figure 2, in order to reduce the difficulty of site operation, the upper surface 25 of prefabricated assembling type reinforced concrete cavity structure is also provided with multiple sleeper groove 23 for placing prefabricated sleeper block.Sleeper groove 23 is positioned at the top of connecting portion 22, to ensure the bearing capacity of whole prefabricated assembling type reinforced concrete cavity structure 2.Wherein, in Fig. 2, C is track centerline.
As shown in Figure 1, in order to avoid the later stage affects the ride comfort of rail level owing to there is the differential settlement of ground, injected hole 24 is reserved with in prefabricated assembling type reinforced concrete cavity structure 2, injected hole 24 is through to the lower surface 26 of prefabricated assembling type reinforced concrete cavity structure 2 from the upper surface 25 of prefabricated assembling type reinforced concrete cavity structure 2, namely injected hole 24 is along the through setting of short transverse of prefabricated assembling type reinforced concrete cavity structure, thus ensure that the slurries poured into from upper surface 25 can flow into the hardcore bed of the bottom of prefabricated assembling type reinforced concrete cavity structure 2.During use, if find that certain position surface settlement is obvious, then can inject slurries to eliminate by injected hole 24 difference in height of the different section in the road surface of bringing due to uneven settlement of foundation.
In order to improve the bond strength between different prefabricated assembling type reinforced concrete cavity structure 2, biend along the longitudinal direction of prefabricated assembling type reinforced concrete cavity structure 2 is set to concave structure A as shown in Figure 3 and convex shape T respectively, wherein, in Fig. 3, G is orbital plane.Concave structure A and convex shape T is fit structure, and namely the structure of concave structure A and convex shape T cooperatively interacts, and can form a complete bonding surface.During installation, the concave structure A of previous prefabricated assembling type reinforced concrete cavity structure is connected with the convex shape T-phase of a rear prefabricated assembling type reinforced concrete cavity structure, form an inner engaged structure, the bond strength between different prefabricated assembling type reinforced concrete cavity structure 2 strengthens greatly.
In order to shorten the site operation cycle, track structure rail and fastener are arranged on prefabricated sleeper block 5, and are arranged in sleeper groove 23 by prefabricated sleeper block 5, the gap between prefabricated sleeper block 5 and sleeper groove 23 adopts epoxy resin filler 27 to fill.
In order to ensure the normal operation of structure under prefabricated assembled rail, be equipped with on the top of prefabricated assembling type reinforced concrete cavity structure 2 as the bituminous concrete of pave-load layer 1, lawn greening or pattern face brick etc., between the bottom and ground of prefabricated assembling type reinforced concrete cavity structure 2, be equipped with hardcore bed 3.
In the present embodiment, the allowable bearing capacity of foundation soil of ground is not less than 120KPa, or static sounding specific penetration resistance PS >=1.0Mpa, and the thickness of hardcore bed 3 is not less than 150mm.
For the ease of transport, the longitudinal length of each prefabricated assembling type reinforced concrete cavity structure 2 preferably controls between 2m-4m.
In other embodiments, concave structure and convex shape also can adopt the staggered pattern of other types, such as sawtooth pattern etc.
Under prefabricated assembled rail of the present utility model, the concrete laying method of structure is as follows:
Step one, excavation foundation trench, rolls leveling, forms the ground 4 met the demands;
Step 2, according to the requirement of the bearing capacity in concrete section, lays certain thickness hardcore bed 3;
Step 3, the prefabricated assembling type reinforced concrete cavity structure 2 being provided with track structure rail and fastener completed by precasting yard is positioned on hardcore bed 3.Lay second piece of prefabricated assembling type reinforced concrete cavity structure 2, wherein, as shown in Figure 3, the structure of one longitudinal terminal surface of second piece of prefabricated assembling type reinforced concrete cavity structure 2 matches with the structure of the adjacent face of first piece of prefabricated assembling type reinforced concrete cavity structure 2, reserves a deformation joint 5 during installation between two adjacent longitudinal terminal surfaces.After the same method, all the other prefabricated assembling type reinforced concrete cavity structures 2 are laid successively;
Step 4, accurate adjustment track structure, then adopts epoxy resin filler to fill reserved gap between sleeper block 5 and sleeper groove 23;
Step 5, lays pave-load layer, completes the construction of structure under prefabricated assembled rail.
Of the present utility model for structure under the prefabricated assembled rail of tram, the solid filling-material structure of existing multilayer is replaced owing to adopting prefabricated assembling type reinforced concrete cavity structure, improve the intensity of structure under rail, reduce the height of structure under rail, reduce the pressure acted on ground, thus reduce the subsiding extent of ground.
Because prefabricated assembling type reinforced concrete cavity structure can be prefabricated at precasting yard, site assembly, shortens the construction period that structure under rail is constructed at the scene, avoids due to the inconvenience brought existing traffic of constructing for a long time.Meanwhile, because prefabricated assembling type reinforced concrete cavity structure completes at precasting yard, detect at precasting yard, allow workmanship be protected further.
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 (6)
1., for a structure under the prefabricated assembled rail of tram, it is characterized in that, at least comprise prefabricated assembling type reinforced concrete cavity structure; Multiple cavity is arranged at intervals with in described prefabricated assembling type reinforced concrete cavity structure; The upper surface of described prefabricated assembling type reinforced concrete cavity structure is provided with multiple sleeper groove, and described sleeper slot is in the top of the connecting portion of prefabricated assembling type reinforced concrete cavity structure described in adjacent two; Be reserved with injected hole in described prefabricated assembling type reinforced concrete cavity structure, described injected hole is through to the lower surface of described prefabricated assembling type reinforced concrete cavity structure from the described upper surface of described prefabricated assembling type reinforced concrete cavity structure; Reserved sleeper block is provided with in described sleeper groove; Described reserved sleeper block is provided with track structure rail and fastener.
2. structure under prefabricated assembled rail as claimed in claim 1, it is characterized in that, two ends along the longitudinal direction of described prefabricated assembling type reinforced concrete cavity structure are set to concave structure and convex shape respectively, and described concave structure and described convex shape are fit structure.
3. structure under prefabricated assembled rail as claimed in claim 2, is characterized in that, also comprise pave-load layer and the hardcore bed being arranged at ground top, described prefabricated assembling type reinforced concrete cavity structure is arranged between described pave-load layer and described hardcore bed.
4. structure under prefabricated assembled rail as claimed in claim 3, it is characterized in that, the thickness of described hardcore bed is not less than 150mm.
5. structure under prefabricated assembled rail as claimed in claim 3, it is characterized in that, the allowable bearing capacity of foundation soil of described ground is not less than 120KPa.
6. structure under prefabricated assembled rail as claimed in claim 3, is characterized in that, described pave-load layer adopts bituminous concrete, lawn greening or pattern face brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006710.5U CN204401373U (en) | 2015-01-04 | 2015-01-04 | For structure under the prefabricated assembled rail of tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006710.5U CN204401373U (en) | 2015-01-04 | 2015-01-04 | For structure under the prefabricated assembled rail of tram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204401373U true CN204401373U (en) | 2015-06-17 |
Family
ID=53425249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520006710.5U Active CN204401373U (en) | 2015-01-04 | 2015-01-04 | For structure under the prefabricated assembled rail of tram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204401373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221504A (en) * | 2018-01-03 | 2018-06-29 | 上海市城市建设设计研究总院（集团）有限公司 | The construction method of soft clay area tramcar assembled roadbed track plank bed |
| CN112095370A (en) * | 2020-09-10 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated tramcar roadbed and track integrated structure and construction method |
-
2015
- 2015-01-04 CN CN201520006710.5U patent/CN204401373U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221504A (en) * | 2018-01-03 | 2018-06-29 | 上海市城市建设设计研究总院（集团）有限公司 | The construction method of soft clay area tramcar assembled roadbed track plank bed |
| CN112095370A (en) * | 2020-09-10 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated tramcar roadbed and track integrated structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204455724U (en) | For the integral structure of Deep Thick Soft Ground Area roadbed track | |
| CN104695289B (en) | A kind of put line construction for middle the low of low speed magnetic suspension traffic engineering embankment location | |
| CN110904740B (en) | Roadbed and method for controlling differential settlement of high-speed railway road and bridge transition section | |
| CN205934593U (en) | Assemble board -like track structure | |
| CN103614961B (en) | Stepped reinforced concrete slab capable of preventing abutment vehicle skips and construction method | |
| CN105887587A (en) | Turnout zone and non-turnout zone transition section structure for medium and low-speed magnetic levitation low implantation line | |
| CN210134291U (en) | Broad structure of side of existing passenger dedicated line road bed | |
| CN102359046A (en) | High fill subgrade connection method | |
| CN106192646A (en) | Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof | |
| CN204059109U (en) | Modern tram solid concrete roabed integral structure | |
| CN106120479A (en) | The board-like track structure of a kind of assembling | |
| CN110258221A (en) | A kind of box frame roadbed | |
| CN204455725U (en) | A kind ofly put line construction for middle the low of low speed magnetic suspension traffic engineering embankment location | |
| CN204401373U (en) | For structure under the prefabricated assembled rail of tram | |
| CN204571996U (en) | A kind of bed shallow covering shield driving stratum consolidation system | |
| CN206219897U (en) | Medium-and low-speed maglev two-wire excavation location pile foundation combined type support rail beam transition section structure | |
| CN105951535A (en) | Inter-bearing rail beam limit structure of single-line section of middle-low speed magnetic levitation traffic engineering low-arranged line | |
| CN104947566A (en) | Assembled grade crossing | |
| CN110258223A (en) | A kind of armored concrete box frame roadbed | |
| CN110820432A (en) | Existing high-speed railway embankment side width structure of hard-plastic soil foundation and construction method | |
| CN202017168U (en) | Unit board type ballastless track structure of railway turnout area | |
| CN206157496U (en) | Moderate -low speed magnetic levitation traffic engineering single line location pile foundation combined type support rail girder construction of filling | |
| CN204174481U (en) | Soft clay area modern tram abutment rebound structure | |
| CN205557205U (en) | Low circuit switch area NOT AND switch area changeover portion structure of putting of moderate -low speed magnetic levitation | |
| CN208748685U (en) | High semi-filling and semi-excavating section integration pavement structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |