CN204174481U - Soft clay area modern tram abutment rebound structure - Google Patents
Soft clay area modern tram abutment rebound structure Download PDFInfo
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- CN204174481U CN204174481U CN201420606167.8U CN201420606167U CN204174481U CN 204174481 U CN204174481 U CN 204174481U CN 201420606167 U CN201420606167 U CN 201420606167U CN 204174481 U CN204174481 U CN 204174481U
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Abstract
The utility model discloses a kind of soft clay area modern tram abutment rebound structure, comprise bridge section and pile slab structure section; Described bridge section comprises abutment parados and bridge superstructure; Described pile slab structure section comprises pile slab structure section pile foundation, be arranged at pile slab structure section crossbeam in described pile slab structure section pile foundation and with pile slab structure section crossbeam integrated pile slab structure section base plate, the end of described pile slab structure section crossbeam is provided with and the integrated bracket of described pile slab structure section crossbeam; Also comprise abutment rebound; One end of described abutment rebound is arranged on described bracket, and the other end of described abutment rebound is arranged at the upper surface of described abutment parados.The utility model can be used for coordinating relative settlement, thus ensures along the transition of circuit longitudinal rigidity the even and smooth-going safety of train operation.
Description
Technical field
The utility model relates to ground rail technical field, particularly relates to a kind of soft clay area modern tram abutment rebound structure.
Background technology
Modern tram as the track traffic of middle freight volume, because the advantages such as low-carbon (LC), environmental protection and maintenance cost are low, riding comfort is good are widely used in the backbone network traffic of the Xincheng District of big and medium-sized cities, development zone and the cities of secondary grade.According to current planning, will more than 1000 kilometers to the year two thousand twenty modern domestic tram mileage open to traffic, development prospect is wide.
For reducing late maintaining workload and promoting aesthetic, existing tram generally adopts solid concrete roabed.But the form of structure of this railway roadbed is very high to the requirement of difference settlement control after work.And existing ballast bed structure, bridge construction soil rigidity is generally greater than bridge earth point place pile slab structure section, even if take transient mode step by step to earth point place Pile Foundations Design in design scheme, due to the existence of the discreteness of distribution of strata, pile foundation construction and maintenance quality, this position is the weak link of difference settlement control all the time.Under the repeated action of Train induced load, easily produce the distortion of discontinuous faulting of slab ends type.The existence of this faulting of slab ends type relative settlement, usually greatly can increase this place's wheel-rail impact power, affect the comfortableness of passenger on electric car, simultaneously also can acceleration orbit structure, wheel damage, even may cause the serious accidents such as derail.
Therefore, those skilled in the art are devoted to research one always can be arranged at tram abutment district, is used for coordinating relative settlement, thus ensures along the transition of circuit longitudinal rigidity the even and smooth-going safe abutment rebound structure of train operation.
Utility model content
Because the above-mentioned defect of prior art, the utility model proposes one and be used for coordinating relative settlement, thus ensure along the transition of circuit longitudinal rigidity the even and smooth-going safe soft clay area modern tram abutment rebound structure of train operation.
For achieving the above object, the utility model provides a kind of soft clay area modern tram abutment rebound structure, comprises bridge section and pile slab structure section; Described bridge section comprises abutment parados and bridge superstructure; Described pile slab structure section comprises pile slab structure section pile foundation, be arranged at pile slab structure section crossbeam in described pile slab structure section pile foundation and with pile slab structure section crossbeam integrated pile slab structure section base plate, the end of described pile slab structure section crossbeam is provided with and the integrated bracket of described pile slab structure section crossbeam; Also comprise abutment rebound; One end of described abutment rebound is arranged on described bracket, and the other end of described abutment rebound is fixedly installed on the upper surface of described abutment parados.
Further, described Abutment Back coping is provided with limit steel bar; The described limit steel bar corresponding position of described abutment rebound and described abutment parados is provided with service sleeve; The internal diameter of described service sleeve is slightly larger than the diameter of described limit steel bar; A part for described limit steel bar anchors into described abutment parados, and another part of described limit steel bar is arranged in described service sleeve.
Further, butter are filled with in described service sleeve.
Further, arrangement of reinforcement is provided with in described bracket.
Further, the arrangement of reinforcement in described bracket be horizontally disposed door type reinforcing bar and respectively along described bracket upper surface, soffit and side horizontal distribution reinforcing bar.
Further, arrangement of reinforcement is provided with in described abutment rebound; A part for described arrangement of reinforcement is arranged in described pile slab structure section crossbeam.
Further, arrangement of reinforcement in described abutment rebound comprises the longitudinal reinforcement, the transverse reinforcement that are arranged at described abutment rebound upper surface, the plate U-stirrups being arranged at the longitudinal reinforcement of described abutment rebound soffit, transverse reinforcement and being arranged between described upper surface and described soffit.
Further, between described abutment rebound and described abutment parados and described bridge superstructure, pointing has Bituminous hemp fiber.
Further, the top of described abutment rebound is disposed with the track structure of pave-load layer and solid concrete roabed.
Further, described pave-load layer is bituminous concrete, lawn greening or pattern face brick.
The beneficial effects of the utility model:
Soft clay area of the present utility model modern tram abutment rebound structure, owing to being provided with abutment rebound between bridge section and pile slab structure section, one end of abutment rebound is fixedly installed on bridge section, the other end of abutment rebound is movable is arranged at pile slab structure section, therefore, track circuit is when bridge section and the generation relative settlement of pile slab structure section, the effect of stress produced due to relative settlement is on rebound, rebound can carry out compliance sedimentation to offset this stress with the sedimentation degree that its two ends are different, maintain the continuity of orbital plane, thus ensure that the smooth-going safe operation of uniform rigidity transition along circuit longitudinal direction and train.
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 structural representation of embodiment one soft clay area modern tram abutment rebound structure;
Fig. 2 is the sectional view of bracket arrangement of reinforcement in Fig. 1;
Fig. 3 is the sectional view of abutment rebound arrangement of reinforcement in Fig. 1.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the utility model provides a kind of soft clay area modern tram abutment rebound structure (referred to as abutment rebound structure in following description).In embodiment one, this abutment rebound structure comprises bridge section 1 and pile slab structure section 2.Bridge section 1 comprises abutment, abutment parados 12 integrated with abutment 11, bridge superstructure 13.Bridge superstructure 13 is arranged on abutment 11 by bearing 14, and abutment parados 11 and abutment 14 are structure as a whole.
Pile slab structure section 2 comprises pile slab structure section pile foundation 21, is arranged at the pile slab structure section crossbeam 22 in pile slab structure section pile foundation 21, and with pile slab structure Duan Heng, 22 integrated pile slab structure section base plates 23.The end of pile slab structure section crossbeam 22 is provided with bracket 24 integrated with pile slab structure section crossbeam 22.The thickness of bracket 24 is identical with the thickness of pile slab structure section base plate 23, and the width of bracket determines according to the size of load.
Between bridge section 1 and piling strtucture section 2, be provided with an abutment rebound 3, one end of abutment rebound 3 is arranged on bracket 24, and the other end of abutment rebound 3 is arranged on the upper surface of abutment parados 12.The thickness of abutment rebound 3 is identical with the thickness of pile slab structure section base plate 23, and 1/10 of general desirable pile spacing, its length is generally the octuple of its thickness.
In order to ensure that abutment rebound 3 is connected with the reliable of abutment parados 12, the top of abutment parados 12 is provided with limit steel bar 4, this limit steel bar 4 anchors in abutment parados 12, and its length anchoring into abutment parados 12 is according to abutment parados strength grade of concrete and anchorage length of steel bar corresponding to limit steel bar strength grade.Meanwhile, abutment rebound 3 and the limit steel bar corresponding position of abutment parados 12 are provided with service sleeve 5, and the internal diameter of service sleeve 5 is more bigger than the diameter of limit steel bar, large 5mm in the present embodiment.Another part of limit steel bar is arranged in service sleeve, and is packed in service sleeve with butter.
In order to improve the intensity of bracket 24, in bracket 24, be provided with arrangement of reinforcement, a part for arrangement of reinforcement is arranged in pile slab structure section crossbeam.As shown in Figure 2, the arrangement of reinforcement in bracket be horizontally disposed door type reinforcing bar 241 and respectively along bracket 24 upper surface, soffit and side horizontal distribution reinforcing bar 242.Wherein, reinforcing bar 241 calculates according to the load that abutment rebound passes over to be determined, reinforcing bar 242 is according to the sectional dimension of bracket, and the reinforcement ratio according to 0.2% controls.Wherein bracket 24 is arranged at the length in pile slab structure section crossbeam is the anchorage length of steel bar corresponding with door type reinforcing bar 241 strength grade according to bracket concrete strength grade.
As shown in Figure 3, in order to improve the rigidity of abutment rebound, in abutment rebound 3, arrangement of reinforcement is provided with.Arrangement of reinforcement in abutment rebound comprises the longitudinal reinforcement 31, the transverse reinforcement 32 that are arranged at abutment rebound upper surface, the plate U-stirrups 35 being arranged at the longitudinal reinforcement 33 of abutment rebound soffit, transverse reinforcement 34 and being arranged between upper and lower surface.The transverse reinforcement 34 of the longitudinal reinforcement 31 of abutment rebound upper surface, transverse reinforcement 32, abutment rebound soffit according to sectional dimension of members according to 0.3% reinforcement ratio control, the longitudinal reinforcement 33 of abutment rebound soffit calculates according to abutment rebound length and the load that bears to be determined, plate U-stirrups 35 adopts HPB300 reinforcing bar Ф 12 200 (quincuncial arrangement).
Because modern tram generally adopts solid concrete roabed, therefore, the top of abutment rebound 3 is provided with pave-load layer 6, is provided with the monolithic roadbed track structure 7 matched with tram on the top of pave-load layer 6.Track structure thickness is determined according to the track of the tram engineering at place, fastener type selecting.Pave-load layer generally can adopt bituminous concrete, lawn greening or pattern face brick etc., and the position residing in the line according to it and landscape engineering require to determine.
In other embodiments, other the railway roadbed form matched with electric car can also be selected.
In order to reduce the gap between abutment rebound and abutment parados and bridge superstructure, in the gap between abutment rebound and abutment parados and between abutment rebound and bridge superstructure, pointing has Bituminous hemp fiber.
Soft clay area of the present utility model modern tram abutment rebound structure, owing to being provided with abutment rebound between bridge section and pile slab structure section, one end of abutment rebound is fixedly installed on bridge section, the other end of abutment rebound is movable is arranged at pile slab structure section, therefore, track circuit is when bridge section and the generation relative settlement of pile slab structure section, the effect of stress produced due to relative settlement is on rebound, rebound can carry out compliance sedimentation to offset this stress with the sedimentation degree that its two ends are different, maintain the continuity of orbital plane, thus ensure that the smooth-going safe operation of uniform rigidity transition along circuit longitudinal direction and train.
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 soft clay area modern tram abutment rebound structure, comprises bridge section and pile slab structure section; Described bridge section comprises abutment parados and bridge superstructure; Described pile slab structure section comprises pile slab structure section pile foundation, be arranged at pile slab structure section crossbeam in described pile slab structure section pile foundation and with pile slab structure section crossbeam integrated pile slab structure section base plate, it is characterized in that, the end of described pile slab structure section crossbeam is provided with and the integrated bracket of described pile slab structure section crossbeam; Also comprise abutment rebound; One end of described abutment rebound is arranged on described bracket, and the other end of described abutment rebound is fixedly installed on the upper surface of described abutment parados.
2. soft clay area as claimed in claim 1 modern tram abutment rebound structure, it is characterized in that, described Abutment Back coping is provided with limit steel bar; The described limit steel bar corresponding position of described abutment rebound and described abutment parados is provided with service sleeve; The internal diameter of described service sleeve is slightly larger than the diameter of described limit steel bar; A part for described limit steel bar anchors into described abutment parados, and another part of described limit steel bar is arranged in described service sleeve.
3. soft clay area as claimed in claim 2 modern tram abutment rebound structure, is characterized in that, be filled with butter in described service sleeve.
4. soft clay area as claimed in claim 1 modern tram abutment rebound structure, is characterized in that, be provided with arrangement of reinforcement in described bracket; A part for described arrangement of reinforcement is arranged in described pile slab structure section crossbeam.
5. soft clay area as claimed in claim 4 modern tram abutment rebound structure, is characterized in that, the arrangement of reinforcement in described bracket is horizontally disposed door type reinforcing bar and respectively along the reinforcing bar of described bracket upper surface, soffit and side horizontal distribution.
6. soft clay area as claimed in claim 1 modern tram abutment rebound structure, is characterized in that, be provided with arrangement of reinforcement in described abutment rebound.
7. soft clay area as claimed in claim 6 modern tram abutment rebound structure, it is characterized in that, arrangement of reinforcement in described abutment rebound comprises the longitudinal reinforcement, the transverse reinforcement that are arranged at described abutment rebound upper surface, the plate U-stirrups being arranged at the longitudinal reinforcement of described abutment rebound soffit, transverse reinforcement and being arranged between described upper surface and described soffit.
8. soft clay area as claimed in claim 1 modern tram abutment rebound structure, is characterized in that, between described abutment rebound and described abutment parados and described bridge superstructure, pointing has Bituminous hemp fiber.
9. soft clay area as claimed in claim 1 modern tram abutment rebound structure, it is characterized in that, the top of described abutment rebound is disposed with the track structure of pave-load layer and solid concrete roabed from bottom to up.
10. soft clay area as claimed in claim 9 modern tram abutment rebound structure, it is characterized in that, described pave-load layer is bituminous concrete, lawn greening or pattern face brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606167.8U CN204174481U (en) | 2014-10-20 | 2014-10-20 | Soft clay area modern tram abutment rebound structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606167.8U CN204174481U (en) | 2014-10-20 | 2014-10-20 | Soft clay area modern tram abutment rebound structure |
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| CN204174481U true CN204174481U (en) | 2015-02-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283973A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail beam transition section structure |
| CN106283956A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev two-wire excavation location pile foundation combined type support rail beam transition section structure |
| CN106283957A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev two-wire excavation location pile foundation joist framing type support rail beam transition section structure |
-
2014
- 2014-10-20 CN CN201420606167.8U patent/CN204174481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283973A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail beam transition section structure |
| CN106283956A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev two-wire excavation location pile foundation combined type support rail beam transition section structure |
| CN106283957A (en) * | 2016-09-15 | 2017-01-04 | 中铁第四勘察设计院集团有限公司 | Medium-and low-speed maglev two-wire excavation location pile foundation joist framing type support rail beam transition section structure |
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