CN114717883B - Rapid installation method of prefabricated foundation structure for railway detection equipment - Google Patents
Rapid installation method of prefabricated foundation structure for railway detection equipment Download PDFInfo
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- CN114717883B CN114717883B CN202210314606.7A CN202210314606A CN114717883B CN 114717883 B CN114717883 B CN 114717883B CN 202210314606 A CN202210314606 A CN 202210314606A CN 114717883 B CN114717883 B CN 114717883B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- 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
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- 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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Abstract
The invention provides a quick installation method of a prefabricated foundation structure for railway detection equipment, which mainly comprises the steps of preparing an equipment foundation track module with the detection equipment and a transition track bed track module in advance, then quickly arranging a base cushion layer on a track bed roadbed, then installing the equipment foundation track module and the transition track bed track module on the base cushion layer, and forming quick and stable connection between the adjacent track modules through a tenon structure, so that the construction speed of a line can be greatly increased, and the influence of construction on the railway operation is reduced.
Description
Technical Field
The invention relates to a quick installation method of a prefabricated foundation structure for railway detection equipment.
Background
In order to ensure the driving safety of railway freight transportation, railway detection equipment, such as a track scale, an overload and unbalance detection device and the like, needs to be installed on a railway line for detecting freight loading information such as the weight, overload, unbalance loading and the like of a freight car.
The track scale and the front-end equipment with the overload and the unbalance loading are arranged on a line, and a concrete foundation and an integral ballast bed at two ends are required below the track scale and the front-end equipment. In general, when a track scale and an overload and unbalance-load equipment foundation are constructed, a cast-in-place concrete foundation and integral ballast beds at two ends are constructed, and after the concrete foundation is cured, line equipment is installed. Therefore, the construction period of the line foundation is long, more than 20 days are needed if a line sealing construction mode is adopted, and more than 50 days are needed if an uninterrupted driving mode is adopted, which brings great difficulty and influence to the line operation.
Disclosure of Invention
Therefore, the invention aims to provide a quick installation method of a prefabricated foundation structure for railway detection equipment, which reduces the influence of foundation line construction on railway operation.
In order to realize the purpose, the invention adopts the technical scheme that:
a quick installation method of a prefabricated foundation structure for railway detection equipment is characterized by comprising the following steps:
dismantling the existing line track equipment;
excavating a roadbed of the ballast bed;
arranging a base cushion layer on the line subgrade bottom;
mounting a prefabricated track module with detection equipment on a base cushion layer;
paving a rail;
connecting the track modules;
and (5) recovering the vehicle.
The rapid installation method of the prefabricated foundation structure for railway inspection equipment, wherein the base cushion layer is arranged on the track bed bottom, further comprising:
vertically erecting steel channel plates which are oppositely arranged on two sides of a roadbed, and adjusting and calibrating the elevation of the top surfaces of the steel channel plates;
pouring a quick-setting material between the two steel channel plates, and quickly scraping the top surface of the quick-setting material by using the steel template before the quick-setting material is solidified;
and laying a steel template on the scraped top surface to form a base cushion layer structure.
The quick installation method for the prefabricated foundation structure of the railway detection equipment is characterized in that after the prefabricated track module with the detection equipment is installed on a foundation bed course, a total station, a theodolite and a level meter are used for rechecking measurement, and the position, the elevation, the levelness and the straightness of each track module are adjusted.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the step of laying rails, and the step of fine adjustment of all the rail modules and the steel rails simultaneously to meet the technical requirements of the installation of the detection equipment.
The quick installation method of the prefabricated foundation structure for the railway detection equipment comprises the following steps: the track modules are connected by pouring quick-setting materials into connecting seams among the track modules.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the following steps: the track module of prefabricated area check out test set is including the equipment basis track module that is located the centre and the transition ballast bed track module that is located both ends, wherein:
the equipment foundation track module is provided with a plurality of steel structure strips which are arranged perpendicular to the length direction of a track, the steel structure strips are fixedly connected with steel bars which are arranged perpendicular to the length direction of the track below the steel structure strips, a horizontally arranged steel structure reference platform is fixed on the steel structure strips, a pressure sensor is fixed on the steel structure reference platform, and the steel structure strips, the steel bars, the steel structure reference platform and the pressure sensor are poured into a whole through concrete; the top surface of the pressure sensor can be used for bearing a steel rail;
the transition track bed track module comprises a row of sleepers which are integrally cast and fixed through reinforced concrete.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the following steps: the adjacent track modules are fixedly connected through a tenon structure.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the following steps: and a height-adjusting base plate is laid on the sleeper of the transition track bed track module, and the steel rail is erected on the sleeper through the height-adjusting base plate.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the following steps: and the steel structure reference platform is also provided with a threading pipe, and the signal wires of the pressure sensors pass through the threading pipe and are led out.
The quick installation method for the prefabricated foundation structure of the railway detection equipment comprises the following steps: and drain pipes are embedded in the equipment foundation track module and the transition track bed track module.
On one hand, the method of the invention adopts the prefabricated track module, so that the track module can be manufactured on line in advance, thereby greatly shortening the on-line construction time (generally, the vehicle can be communicated after the line is blocked for 12 hours); on the other hand, the equipment foundation track module and the transition track bed track module adopt a segmented prefabricated module structure, so that the construction efficiency is further improved, the transportation difficulty is reduced, the equipment foundation track module and the transition track bed track module are connected into a whole by a tenon structure after installation, a stable overall performance line foundation can be formed, and the bearing performance and the long-term operation stability of the line foundation can be ensured.
Drawings
Fig. 1A and 1B are a longitudinal sectional view and a plan view of the basic track module of the device, respectively;
FIG. 2 is a longitudinal cross-sectional view of a transition bed track module;
FIG. 3 is a plan view of the conduit within the module;
FIGS. 4A and 4B are schematic views of a drainage structure in a module;
FIG. 5 is a schematic view of an elevated bolster;
FIG. 6 is a schematic view of the structure of the base pad layer;
FIGS. 7-12 are schematic diagrams of sub-steps of the method of the present invention;
fig. 13 is a schematic plan view of a prefabricated infrastructure for railway inspection equipment resulting from the completion of the method of the present invention.
Description of reference numerals: an equipment foundation track module 1; a steel structural strip 11; a reinforcing bar 12; a steel structure reference platform 13; a pressure sensor 14; a threading tube 15; an inter-thigh drain 16; a water discharge pipe 17 on the foundation; a drainage ramp 18; a transition track bed track module 2; a sleeper 21; heightening the backing plate 22; a steel rail 3; a base pad layer 4; the steel channel plate 41; a steel form 42; a tenon structure 5; a seam 6 is engaged.
Detailed Description
As shown in fig. 1A, fig. 1B, fig. 2, fig. 3, fig. 4A, fig. 4B, fig. 12, and fig. 13, the prefabricated foundation structure for a railway detection device provided by the present invention mainly includes a device foundation rail module 1 located in the middle and transition track bed rail modules 2 located at both ends, wherein:
the equipment foundation rail module 1 is provided with a plurality of steel structure strips 11 (the cross sections of the steel structure strips are in a shape of Chinese character 'ji'), the steel structure strips 11 are fixedly connected with steel bars 12 which are arranged below the steel structure strips 11 and are perpendicular to the length direction of a rail, two steel structure reference platforms 13 which are horizontally arranged are fixed on the steel structure strips 11, a row of pressure sensors 14 are fixed on each steel structure reference platform 13, and the steel structure strips 11, the steel bars 12, the two steel structure reference platforms 13 and two rows of pressure sensors 14 are integrally poured by concrete;
as shown in fig. 3, a threading pipe 15 is further arranged on the steel structure reference platform 13, and the signal lines of the plurality of pressure sensors 14 are led out through the threading pipe 15;
as shown in fig. 4A, an inter-track drainage pipe 16 and an upper-base drainage pipe 17 are buried in the equipment base track module 1, two ends of the inter-track drainage pipe 16 penetrate through two lateral sides of the equipment base track module 1, one end of the upper-base drainage pipe 17 is communicated with a top center line of the equipment base track module 1, and the other end of the upper-base drainage pipe penetrates through a side surface of the equipment base module; in addition, two sides of the top surface of the equipment foundation rail module 1 are also provided with drainage slopes 18;
the transition track bed track module 2 comprises a row of sleepers 21 integrally cast and fixed by reinforced concrete, as shown in fig. 5, a height-adjusting base plate 22 is laid on the sleepers 21 so that the steel rails 3 are connected with the sleepers 21 through the height-adjusting base plate 22, and once the height of the steel rails 3 needs to be adjusted, only the height-adjusting base plates 22 with different thicknesses need to be replaced; in addition, the heightening base plate 22 is also beneficial to the maintenance of the circuit in the future; ( Note: the joint of the top of the pressure sensor of the equipment foundation module 1 and the steel rail 3 is also provided with a height-adjusting base plate 22, which is not described herein; )
As shown in fig. 4B, an inter-track drainage pipe 16 is also embedded in the transition track bed track module 2, and two ends of the inter-track drainage pipe 16 penetrate out from two lateral sides of the transition track bed track module 2;
the device foundation rail module 1 and the transition track bed rail module 2 are manufactured in advance before railway construction, then a railway line base is tamped by original soil, a base cushion layer 4 is arranged on the railway line base, then the device foundation rail module 1 and the transition track bed rail module 2 are hoisted on the base cushion layer 4, adjacent modules are fixed by a tenon structure 5, after steel rails 3 are laid, rapid hardening materials are poured and laid at a joint seam 6 of the rail modules, and then the line laying work is completed, and the working efficiency can be greatly improved.
As shown in fig. 6, the structural diagram of the base pad layer 4 is shown, the structural diagram includes two left and right steel channel plates 41 arranged oppositely along the length direction of the rail, after the heights of the two steel channel plates 41 are adjusted to the right, a quick-setting material (for example, quick-setting concrete) is poured between the two steel channel plates 41, the top surface of the quick-setting material is leveled to be equal to or higher than the top surfaces of the two steel channel plates 41, and finally, the steel channel plates 42 are laid on the leveled top surface, so as to quickly form the structure of the base pad layer 4.
The method for the rapid installation of a prefabricated infrastructure for railway inspection equipment according to the invention is explained in detail in a preferred embodiment with reference to the accompanying drawings, in which:
(1) Removing existing line track equipment (including rails 3 and ties), as shown in fig. 7;
(2) Excavating a roadbed of the track bed, and tamping the foundation of the railway line with original soil, as shown in figure 8;
(3) Arranging a base cushion layer 4 on the bottom of the railway line subgrade;
as shown in fig. 6 and 9, the method further includes:
vertically erecting steel channel plates 41 which are oppositely arranged on two sides of a roadbed, and adjusting and calibrating the elevation of the top surfaces of the steel channel plates 41;
pouring a quick-setting concrete constant-speed setting material between the two steel channel plates 41, and quickly scraping the top surfaces of the quick-setting concrete constant-speed setting material by using the steel templates 42 before the quick-setting concrete constant-speed setting material is solidified;
laying a steel template 42 on the scraped top surface to quickly form a base cushion layer 4 structure;
(4) The prefabricated track module is installed in place;
as shown in fig. 10, the equipment foundation track module 1 and the transition track bed track module 2 are sequentially hoisted to the base cushion layer 4 by a crane, the track modules are stably connected by a tenon structure 5, and then a total station, a theodolite and a level are used for rechecking measurement to adjust the position, elevation, levelness and straightness of each track module;
(5) Paving a rail;
as shown in fig. 11, steel rails 3 are laid on the equipment foundation track module 1 and the transition track bed track module 2, and meanwhile, each track module and the steel rails 3 are precisely adjusted to meet the technical requirements of track scale installation;
(6) Connecting the track modules;
as shown in fig. 12 and 13, the joint seams 6 between the track modules are poured by quick-setting concrete and constant-speed setting materials;
(7) And (5) recovering the vehicle.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A quick installation method of a prefabricated foundation structure for railway detection equipment is characterized by comprising the following steps:
dismantling the existing line track equipment;
excavating a roadbed of the ballast bed;
arranging a base cushion layer on the line subgrade bottom;
mounting a prefabricated track module with detection equipment on a base cushion layer;
paving a rail;
connecting the track modules;
wherein, the track module of prefabricated area check out test set is including the equipment basis track module that is located the centre and the transition railway roadbed track module that is located both ends, wherein:
the equipment foundation track module is provided with a plurality of steel structure strips which are arranged perpendicular to the length direction of a track, the steel structure strips are fixedly connected with steel bars which are arranged perpendicular to the length direction of the track below the steel structure strips, a horizontally arranged steel structure reference platform is fixed on the steel structure strips, a pressure sensor is fixed on the steel structure reference platform, and the steel structure strips, the steel bars, the steel structure reference platform and the pressure sensor are poured into a whole through concrete; the top surface of the pressure sensor can be used for bearing a steel rail;
the transition track bed track module comprises a row of sleepers which are integrally cast and fixed through reinforced concrete.
2. The method for rapid installation of a prefabricated infrastructure for railway inspection equipment of claim 1, wherein the disposing of the base mat on the track bed further comprises:
vertically erecting steel channel plates which are oppositely arranged on two sides of a roadbed, and adjusting and calibrating the elevation of the top surfaces of the steel channel plates;
pouring a quick-setting material between the two steel channel plates, and quickly scraping the top surface of the quick-setting material by using the steel template before the quick-setting material is solidified;
and laying a steel template on the scraped top surface to form a base cushion layer structure.
3. The method of claim 1, wherein after the prefabricated rail modules with the inspection equipment are installed on the foundation mat, the total station, the theodolite and the level are used for rechecking measurement to adjust the position, elevation, levelness and straightness of each rail module.
4. The method for quickly installing a prefabricated foundation structure for railway inspection equipment as claimed in claim 1, wherein in the step of laying rails, the rail modules and the steel rails are simultaneously and precisely adjusted to meet the technical requirements of the installation of the inspection equipment.
5. The method for the rapid installation of a prefabricated infrastructure for railway inspection equipment as claimed in claim 1, wherein: the track modules are connected by pouring quick-setting materials into connecting seams among the track modules.
6. The method for the rapid installation of prefabricated infrastructure for railway inspection equipment of claim 1, wherein: and the adjacent track modules are fixedly connected through a tenon structure.
7. The method for the rapid installation of a prefabricated infrastructure for railway inspection equipment as claimed in claim 1, wherein: and a height-adjusting base plate is laid on the sleeper of the transition track bed track module, and the steel rail is erected on the sleeper through the height-adjusting base plate.
8. The method for the rapid installation of a prefabricated infrastructure for railway inspection equipment as claimed in claim 1, wherein: and the steel structure reference platform is also provided with a threading pipe, and the signal wires of the pressure sensors pass through the threading pipe and are led out.
9. The method for the rapid installation of a prefabricated infrastructure for railway inspection equipment as claimed in claim 1, wherein: and drain pipes are embedded in the equipment foundation track module and the transition track bed track module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314606.7A CN114717883B (en) | 2022-03-28 | 2022-03-28 | Rapid installation method of prefabricated foundation structure for railway detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314606.7A CN114717883B (en) | 2022-03-28 | 2022-03-28 | Rapid installation method of prefabricated foundation structure for railway detection equipment |
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| Publication Number | Publication Date |
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| CN114717883A CN114717883A (en) | 2022-07-08 |
| CN114717883B true CN114717883B (en) | 2023-03-10 |
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| CN202210314606.7A Active CN114717883B (en) | 2022-03-28 | 2022-03-28 | Rapid installation method of prefabricated foundation structure for railway detection equipment |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354826B (en) * | 2017-09-08 | 2019-01-25 | 成都市新筑路桥机械股份有限公司 | The rapid constructing method of tunnel built-in type rail system |
| CN110761121A (en) * | 2019-09-19 | 2020-02-07 | 中铁第四勘察设计院集团有限公司 | Assembly type ballastless track structure and longitudinal connecting structure thereof |
| CN111254756A (en) * | 2020-01-21 | 2020-06-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Maintenance and detection method for solidified track bed track system |
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| CN114717883A (en) | 2022-07-08 |
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