CN111218860A - Ballastless track railway deformation adjusting embankment structure and construction method - Google Patents
Ballastless track railway deformation adjusting embankment structure and construction method Download PDFInfo
- Publication number
- CN111218860A CN111218860A CN202010134266.0A CN202010134266A CN111218860A CN 111218860 A CN111218860 A CN 111218860A CN 202010134266 A CN202010134266 A CN 202010134266A CN 111218860 A CN111218860 A CN 111218860A
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- deformation
- adjuster
- embankment
- foundation
- ballastless track
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 13
- 230000002411 adverse Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003809 water extraction Methods 0.000 abstract description 3
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a ballastless track railway deformation adjusting embankment structure and a construction method thereof, wherein the structure comprises an adjuster fixing foundation, a bearing device and a deformation adjuster, the adjuster fixing foundation is arranged on an embankment filling body, the deformation adjuster is fixedly arranged at the top of the adjuster fixing foundation, and the bearing device is arranged at the upper end of the deformation adjuster; the deformation adjuster is used for driving the bearing device to ascend or descend. The construction method is used for constructing the embankment structure, when the adverse deformation amount generated by the railway foundation exceeds the requirement of a ballastless track railway, the deformation regulator drives the bearing device to ascend or descend upwards or downwards, so that the height of the bearing device is adjusted, the requirement of the ballastless track railway on vertical deformation is met, the treatment strength of the soil foundation can be reduced, the investment of foundation treatment engineering can be saved, adverse effects caused by inaccurate foundation reconnaissance can be avoided, and the problem that the influence of the soil foundation on underground water extraction or loading near the railway can cause new uncertain and uneven settlement deformation can be solved.
Description
Technical Field
The invention relates to the field of railway engineering, in particular to a ballastless track railway deformation adjusting embankment structure and a construction method thereof.
Background
The ballastless track is a track structure which adopts integral foundations such as concrete and asphalt mixture to replace a loose gravel track bed, is also called ballastless track, and is an advanced track technology in the world today.
In the prior art, when a ballastless track high-speed railway roadbed is constructed on a soil foundation, a embankment project usually needs to adopt foundation treatment measures to reinforce the soil foundation in order to meet the control requirement of settlement after millimeter-scale construction, and such treatment measures can cause high investment in the high-speed railway roadbed project, wherein the cost for soil foundation treatment can reach more than 2000 ten thousand per kilometer sometimes, which brings certain restriction influence on rapid construction and popularization of a high-speed railway. In addition, the reinforced soil foundation can generate new uneven settlement under the influence of underground water extraction or loading near the railway, and the new uneven settlement can bring great influence to the later operation of the ballastless track railway.
Disclosure of Invention
The invention aims to: aiming at the problems of high investment, large influence of later-stage peripheral environment and the like of a soil foundation high-speed railway subgrade in the prior art, the ballastless track railway deformation adjusting embankment structure and the construction method are provided.
In order to achieve the purpose, the invention adopts the technical scheme that:
a ballastless track railway deformation adjusting embankment structure comprises an adjuster fixing foundation, a bearing device and a deformation adjuster, wherein the adjuster fixing foundation is used for being arranged on a railway embankment filling body, the deformation adjuster is fixedly arranged at the top of the adjuster fixing foundation, and the bearing device is arranged at the upper end of the deformation adjuster;
the deformation adjuster is used for driving the bearing device to ascend or descend.
Through the structure, when the unfavorable deflection that the railway foundation produced surpassed ballastless track railway requirement, upwards or drive the load-bearing device through the deformation adjustment ware and rise or descend, thereby adjust the height of load-bearing device, make it satisfy ballastless track railway to the requirement of vertical deformation, thereby can reduce the handling strength of soil texture foundation, the deflection that sinks that produces can adjust through the deformation adjustment ware, so can save ground treatment project investment, or avoid the adverse effect that ground reconnaissance brought, can also solve soil texture foundation and produce new uncertain, the inhomogeneous deformation that subsides in the extraction groundwater or near the railway loading influence.
As a preferred scheme of the invention, the top of the embankment filling body is provided with a groove, the regulator fixing foundation is positioned in the groove, and the two sides of the regulator fixing foundation along the longitudinal direction of the line are respectively provided with a plurality of deformation regulators. Through above-mentioned structure, set up the fixed basis of regulator on the embankment filling body, make it as the fixed basis of deformation adjustment ware, can make the great concentration power of deformation adjustment ware transmission effectively diffuse to the embankment filling body in.
As a preferable aspect of the present invention, the embankment structure further includes a joist, the joist being located between the deformation adjuster and the carrier. Through the structure, the joist is a force transmission structure between the bearing device and the deformation adjuster, and the joist arranged between the bearing device and the deformation adjuster is in direct contact with the bearing device and the deformation adjuster, so that the thickness of the bearing device can be reduced, and the engineering cost is saved.
As a preferable scheme of the invention, the embankment structure further comprises at least two limiting devices, the at least two limiting devices are arranged on the embankment filling body, and the bearing device is positioned between the two limiting devices and is in contact with the inner sides of the two limiting devices. Through the structure, the limiting device can control the horizontal deformation of the bearing device.
As the preferred scheme of the invention, the limiting device comprises a limiting pile.
As a preferred aspect of the present invention, the deformation adjuster includes a hydraulic jack.
A ballastless track railway deformation adjusting embankment construction method is used for constructing the ballastless track railway deformation adjusting embankment structure and comprises the following steps:
s1: constructing and arranging a embankment filling body on a railway foundation;
s2, fixedly mounting a deformation adjuster on the top of the adjuster fixing base;
s3: a carrier is mounted on the upper end of the strain relief.
The construction method ensures effective realization of the embankment structure function, is simple to operate, controllable in quality and beneficial to popularization.
As a preferable aspect of the present invention, after the step S1 is completed, a groove is dug in the top of the embankment filler, and the adjuster fixing foundation is installed in the groove.
As a preferred aspect of the present invention, the embankment structure further includes joists, and in step S3, the joists are installed on top of the deformation adjusters, and the carriers are installed on top of the joists.
As a preferable aspect of the present invention, the embankment structure includes a stopper, and the stopper is installed on the embankment filler after the step of S3 is completed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
when the unfavorable deflection that the railway foundation produced exceeds ballastless track railway requirement, thereby drive bearing device through the deformation adjustment ware upwards or descend and rise or descend the height of adjustment bearing device, make it satisfy ballastless track railway to the requirement of vertical deformation, thereby can reduce the handling strength of soil texture foundation, the deflection that sinks that produces can adjust through the deformation adjustment ware, so can save ground treatment engineering investment, or avoid the adverse effect that ground reconnaissance is inaccurate to bring, can also solve soil texture foundation and draw groundwater or near railway loading influence and produce new uncertain, inhomogeneous settlement deformation.
Drawings
Fig. 1 is a schematic plan view of a ballastless track railway deformation adjusting embankment structure according to the invention.
Fig. 2 is a schematic cross-sectional view of the ballastless track railway deformation adjusting embankment structure according to the invention from the I-I side.
FIG. 3 is a schematic section II-II of the ballastless track railway deformation adjusting embankment structure.
Icon: 1-embankment filling; 2-regulator fixed base; 3-a strain adjuster; 4-a joist; 5-a carrying device; 6-a limiting device.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1 to 3, the present embodiment provides a ballastless track railway deformation adjusting embankment structure, which includes an adjuster fixing foundation 2, a deformation adjuster 3, a bearing device 5, a joist 4, and a limiting device 6.
The regulator fixing foundation 2 is arranged on the railway embankment filling body 1, and specifically, the regulator fixing foundation 2 is of a reinforced concrete structure; the embankment filling body 1 is filled on a natural foundation or a foundation after reinforcement treatment in a layered mode, a groove is formed in the top of the embankment filling body 1, and the regulator fixing bases 2 are arranged on the embankment filling body 1 at intervals.
The bottom of the deformation adjuster 3 is fixedly arranged at the top of the adjuster fixing base 2, the deformation adjuster 3 is symmetrically arranged about the longitudinal center line of the adjuster fixing base 2, and specifically, the deformation adjuster 3 comprises a hydraulic jack; the joists 4 are arranged at the tops of the deformation regulators 3 at intervals, the bearing device 5 is arranged at the top of the joists 4 and is in close contact with the tops of the joists 4, specifically, the joists 4 comprise prefabricated joists 4 or cast-in-place reinforced concrete joists 4, the bearing device 5 comprises a prefabricated bearing plate or a cast-in-place reinforced concrete bearing plate, and the deformation regulators 3 are used for driving the bearing device 5 to ascend or descend.
The limiting devices 6 are embedded in the embankment filling body 1 in rows at intervals, and specifically, the limiting devices 6 comprise limiting piles; the two limit devices 6 are positioned on the same horizontal line to form a row, and the bearing device 5 is positioned between the two limit devices 6 in the row and is tightly contacted with the inner sides of the two limit devices 6 in the row.
The embodiment also provides a ballastless track railway deformation adjusting embankment construction method, which is used for constructing the ballastless track railway embankment structure and comprises the following steps:
s1: arranging an embankment filling body 1 on a natural foundation or a reinforced foundation in a layered construction mode;
s2: excavating a groove at the top of the embankment filling body 1, and arranging the regulator fixing foundation 2 in the groove;
s3, mounting the deformation adjuster 3 on the top of the adjuster fixing base 2;
s4: mounting a prefabricated joist 4 or a cast-in-place reinforced concrete joist 4 at the top of the deformation regulator 3;
s5: a prefabricated bearing plate or a cast-in-place reinforced concrete bearing plate is arranged at the top of the joist 4;
s6: two rows of limiting devices 6 are closely contacted with two sides of the bearing device 5, and the two rows of limiting devices 6 are buried in the embankment filling body 1.
The ballastless track railway deformation adjusting embankment structure and the construction method provided by the embodiment have the beneficial effects that:
the top of embankment filling body 1 is equipped with the recess, and regulator fixed foundation 2 is located the recess, and deformation adjustment ware 3 is fixed to be set up on regulator fixed foundation 2, makes it as deformation adjustment ware 3's fixed foundation, can make the great concentrated power of deformation adjustment ware 3 transmission effectively diffuse to embankment filling body 1.
The deformation regulator 3 is fixedly arranged on the regulator fixing foundation 2, the joist 4 is positioned at the top of the deformation regulator 3, the bearing device 5 is positioned at the top of the joist 4, the deformation regulator 3 is used for driving the bearing device 5 to ascend or descend, when the unfavorable deformation generated by the railway foundation exceeds the requirement of a ballastless track railway, the bearing device 5 is driven to ascend or descend upwards or downwards by the deformation regulator 3, so that the height of the bearing device 5 is adjusted, the bearing device meets the requirement of the ballastless track railway on vertical deformation, the treatment strength of the soil foundation can be reduced, the generated subsidence deformation can be adjusted by the deformation regulator 3, the investment of foundation treatment engineering can be saved, the adverse effect caused by inaccurate foundation survey can be avoided, and the problems that new uncertain deformation is generated when the soil foundation is subjected to underground water extraction or loading influence nearby the railway can be solved, And (4) uneven settlement deformation. Meanwhile, the joist 4 is a force transmission structure between the bearing device 5 and the deformation regulator 3, and compared with the joist 4 arranged between the bearing device 5 and the deformation regulator 3 and the joist 4 directly contacted with the bearing device 5 and the deformation regulator 3, the thickness of the bearing device 5 can be reduced, so that the engineering cost is saved.
The two limiting devices 6 are positioned on the same horizontal line to form a row, the bearing device 5 is positioned between the two limiting devices 6 in the row and is in close contact with the inner sides of the two limiting devices 6 in the row, and the limiting devices 6 can control the horizontal deformation of the bearing device 5.
The method for constructing the ballastless track railway deformation adjusting embankment guarantees effective realization of the ballastless track railway deformation adjusting embankment structure function, is simple to operate, controllable in quality and beneficial to popularization.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The ballastless track railway deformation adjusting embankment structure is characterized by comprising an adjuster fixing foundation (2), a bearing device (5) and a deformation adjuster (3), wherein the adjuster fixing foundation (2) is used for being arranged on a railway embankment filling body (1), the deformation adjuster (3) is fixedly arranged at the top of the adjuster fixing foundation (2), and the bearing device (5) is arranged at the upper end of the deformation adjuster (3);
the deformation adjuster (3) is used for driving the bearing device (5) to ascend or descend.
2. The ballastless track railway deformation adjusting embankment structure according to claim 1, wherein a groove is formed at the top of the embankment filling body (1), the adjuster fixing base (2) is located in the groove, and a plurality of deformation adjusters (3) are respectively arranged on the adjuster fixing base (2) along two longitudinal sides of the line.
3. The ballastless track railway deformation adjusting embankment structure of claim 1, further comprising a joist (4), wherein the joist (4) is located between the deformation adjuster (3) and the carrying device (5).
4. The ballastless track railway deformation adjusting embankment structure according to claim 2, further comprising at least two position limiting devices (6), wherein at least two position limiting devices (6) are arranged on the embankment filling body (1), and the bearing device (5) is positioned between the two position limiting devices (6) and is in contact with the inner sides of the two position limiting devices (6).
5. The ballastless track railway deformation adjusting embankment structure of claim 4, wherein the limiting device (6) comprises a limiting pile.
6. The ballastless track railway deformation adjusting embankment structure of claim 1, wherein the deformation adjuster (3) comprises a hydraulic jack.
7. A ballastless track railway deformation adjusting embankment construction method, which is used for constructing the embankment structure of any one of the claims 1-6, and comprises the following steps:
s1: constructing and arranging the embankment filling body (1) on a railway foundation;
s2, fixedly mounting the deformation adjuster (3) on the top of the adjuster fixing base (2);
s3: -mounting the carrier means (5) at the upper end of the deformation adjuster (3).
8. The method for constructing the deformation adjusting embankment for the ballastless track railway according to claim 7, wherein after the step S1 is completed, a groove is dug at the top of the embankment filling body (1), and the adjuster fixing foundation (2) is constructed and arranged in the groove.
9. The ballastless track railway deformation adjusting embankment construction method of claim 7, wherein the embankment structure further comprises a joist (4), and in the step S3, the joist (4) is installed on the top of the deformation adjuster (3), and the bearing device (5) is installed on the top of the joist (4).
10. The method for constructing the deformation adjusting embankment of the ballastless track railway according to claim 7, wherein the embankment structure comprises a limiting device (6), and after the step of S3 is completed, the limiting device (6) is installed on the embankment filling body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134266.0A CN111218860A (en) | 2020-03-02 | 2020-03-02 | Ballastless track railway deformation adjusting embankment structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134266.0A CN111218860A (en) | 2020-03-02 | 2020-03-02 | Ballastless track railway deformation adjusting embankment structure and construction method |
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| CN111218860A true CN111218860A (en) | 2020-06-02 |
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| CN202010134266.0A Pending CN111218860A (en) | 2020-03-02 | 2020-03-02 | Ballastless track railway deformation adjusting embankment structure and construction method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06248606A (en) * | 1993-02-24 | 1994-09-06 | Sumitomo Rubber Ind Ltd | Vibration-proof track |
| DE19855350A1 (en) * | 1998-12-01 | 2000-06-15 | Bahnbau Wels Gmbh Wels | Method to construct railway track on base plates of permanent ways uses setting stabilizer asphalt etc. to stabilizer sleepers, to which rails are fastened after setting |
| JP2011089358A (en) * | 2009-10-26 | 2011-05-06 | Jfe Steel Corp | Heavy load conveying mechanism and heavy load conveying method using the same |
| CN201962557U (en) * | 2011-03-31 | 2011-09-07 | 中铁第四勘察设计院集团有限公司 | Plate type structure of unde-crossing line structural joint of railway ballastless track |
| CN103233400A (en) * | 2013-05-22 | 2013-08-07 | 中铁二院工程集团有限责任公司 | Ballastless track railway bridge joint differential settlement adjusting device |
| KR20140023724A (en) * | 2012-08-17 | 2014-02-27 | 주식회사 이알에스 | Rail track system having the complex structure for vibration absorption |
| CN103835191A (en) * | 2012-11-21 | 2014-06-04 | 中铁第四勘察设计院集团有限公司 | Monolithic track bed track structure capable of being rapidly assembled |
| CN207391939U (en) * | 2017-10-30 | 2018-05-22 | 青岛科而泰环境控制技术有限公司 | Plate-type ballastless railway roadbed |
| CN109868691A (en) * | 2017-12-01 | 2019-06-11 | 中铁二院工程集团有限责任公司 | It is a kind of to deform adjustable High Speed Railway Subgrade and construction method and sedimentation and deformation method of adjustment |
| CN209178725U (en) * | 2018-09-28 | 2019-07-30 | 中铁第一勘察设计院集团有限公司 | It is a kind of can fast lifting track structure |
| CN110195381A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Non-fragment orbit lifting method |
| CN211772439U (en) * | 2020-03-02 | 2020-10-27 | 中铁二院工程集团有限责任公司 | Ballastless track railway deformation adjusting embankment structure |
-
2020
- 2020-03-02 CN CN202010134266.0A patent/CN111218860A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06248606A (en) * | 1993-02-24 | 1994-09-06 | Sumitomo Rubber Ind Ltd | Vibration-proof track |
| DE19855350A1 (en) * | 1998-12-01 | 2000-06-15 | Bahnbau Wels Gmbh Wels | Method to construct railway track on base plates of permanent ways uses setting stabilizer asphalt etc. to stabilizer sleepers, to which rails are fastened after setting |
| JP2011089358A (en) * | 2009-10-26 | 2011-05-06 | Jfe Steel Corp | Heavy load conveying mechanism and heavy load conveying method using the same |
| CN201962557U (en) * | 2011-03-31 | 2011-09-07 | 中铁第四勘察设计院集团有限公司 | Plate type structure of unde-crossing line structural joint of railway ballastless track |
| KR20140023724A (en) * | 2012-08-17 | 2014-02-27 | 주식회사 이알에스 | Rail track system having the complex structure for vibration absorption |
| CN103835191A (en) * | 2012-11-21 | 2014-06-04 | 中铁第四勘察设计院集团有限公司 | Monolithic track bed track structure capable of being rapidly assembled |
| CN103233400A (en) * | 2013-05-22 | 2013-08-07 | 中铁二院工程集团有限责任公司 | Ballastless track railway bridge joint differential settlement adjusting device |
| CN207391939U (en) * | 2017-10-30 | 2018-05-22 | 青岛科而泰环境控制技术有限公司 | Plate-type ballastless railway roadbed |
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| CN209178725U (en) * | 2018-09-28 | 2019-07-30 | 中铁第一勘察设计院集团有限公司 | It is a kind of can fast lifting track structure |
| CN110195381A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Non-fragment orbit lifting method |
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