CN222227076U - A construction structure for continuous steel beams spanning existing railways - Google Patents
A construction structure for continuous steel beams spanning existing railways Download PDFInfo
- Publication number
- CN222227076U CN222227076U CN202420881199.2U CN202420881199U CN222227076U CN 222227076 U CN222227076 U CN 222227076U CN 202420881199 U CN202420881199 U CN 202420881199U CN 222227076 U CN222227076 U CN 222227076U
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- CN
- China
- Prior art keywords
- steel
- sleeper
- steel sleeper
- rail
- construction structure
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/40—Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model relates to the technical field of railway construction, in particular to a construction structure for crossing the existing railway by using a continuous steel beam, which comprises a bearing mechanism and a steel sleeper, wherein the bearing mechanism comprises a rail and a steel sleeper, the steel sleeper is paved on the lower surface of the rail, a longitudinal beam is arranged on the upper surface of the steel sleeper, a cross beam is arranged on the lower surface of the steel rail, a supporting mechanism comprises a bored pile and a manual hole digging pile, the bored pile is arranged at both ends of the cross beam, the bearing mechanism with the longitudinal beam and the cross beam and the supporting mechanism with the bored pile and the manual hole digging pile are arranged, and the road crossing the existing railway is realized by using the bored pile as a support pier and an overhead system formed by taking an I-steel beam as the longitudinal beam and the cross beam.
Description
Technical Field
The utility model belongs to the technical field of railway construction, and particularly relates to a construction structure for crossing an existing railway by a continuous steel beam.
Background
In order to not interrupt the operation of the existing railway, reduce the migration workload of the underground barriers on the ground, accelerate the engineering construction progress, ensure the safety of surrounding buildings and structures, and the like, the traditional open cut cast-in-place and inverted construction technology cannot meet the requirements of engineering construction more and more, and instead, the construction is rapidly developed jacking construction, but the jacking construction at the present stage has the problems of high cost, low efficiency, large potential safety hazard, large construction monitoring difficulty, difficult control of construction precision, and the like, so that the jacking construction application space and development prospect are obviously limited.
To this end, one skilled in the art has proposed a method for constructing a structure for continuous steel girder crossing existing railway construction to solve the problems posed by the background art.
Disclosure of utility model
The utility model aims to provide a construction structure for crossing the existing railway construction by using continuous steel beams, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A construction structure for continuous steel girder crossing existing railway construction, comprising:
The bearing mechanism comprises a rail and a steel sleeper, wherein the steel sleeper is paved on the lower surface of the rail, a longitudinal beam is arranged on the upper surface of the steel sleeper, and a cross beam is arranged on the lower surface of the steel sleeper;
the support mechanism comprises a bored pile and manual hole digging piles, the bored piles are arranged at two ends of the cross beam, and the manual hole digging piles are arranged below the steel sleeper.
Preferably, a bolt connecting assembly is arranged between the longitudinal beam and the steel sleeper, the longitudinal beam is fixedly connected with the steel sleeper through the bolt connecting assembly, and the steel sleeper is fixedly connected with the rail through a reinforcing bolt.
Preferably, the longitudinal beams are formed by splicing I-steel convenient beams, and the longitudinal beams are fixedly spliced by tightening high-strength bolts.
Preferably, a sleeper is arranged between the steel sleeper and the cross beam, the angle steel limiter is buried on the upper surface of the bored pile, and the angle steel limiter is contacted with the cross beam.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Compared with the conventional jacking construction, the utility model can reduce the cost and increase the efficiency, solve a series of problems of low efficiency, high cost, difficult control of construction precision and the like in the conventional jacking construction, greatly reduce the potential safety hazard of uncontrollable factors in non-excavation construction, and the device is particularly suitable for road sections with poor foundation because the device is used for overhead design and crossing the existing railway, has good integrity, high rigidity and good earthquake resistance and has good application prospect.
(2) The utility model is characterized in that steel sleepers are penetrated in advance before the overhead, steel sleepers are penetrated between two concrete sleepers, each steel sleeper is connected and fastened with a rail, so that the whole railway is located on the steel sleepers, then the longitudinal beams are erected at two ends of the steel sleepers, the longitudinal beams are spliced by adopting the I-steel just beams, the longitudinal beams are spliced by adopting high-strength bolts, each steel sleeper and the longitudinal beams are also connected and screwed by adopting the high-strength bolts, then a large transverse lifting beam is penetrated at the buttress of each bored pile, so that each longitudinal beam is completely dropped on the transverse beam to form an overhead bridge system, finally, foundation pit excavation and cast-in-situ main box culvert are carried out under the condition of slow running of the railway to realize the existing railway penetrating under the urban road, wherein the manual bored pile adopts the manual boring and the thick reinforced concrete retaining wall technology, when concrete pouring is completed, two channel steels are inserted into the top of each manual hole digging pile to serve as limiting piles, vertical displacement of longitudinal beams is limited, the bored pile is constructed by adopting an automobile circulation drilling pore-forming process, slurry is adopted to perform wall protection and slag soil discharging in the drilling process, hole cleaning is performed in time after hole forming, a reinforcement cage is placed down, concrete is poured in time after the reinforcement cage is positioned, pile top elevation is controlled in the concrete pouring process, red paint is used for marking the pile top elevation on the reinforcement cage in advance before the concrete pouring process, so that pile top elevation is controlled when concrete pouring is performed, four channel steels are inserted into the pile top to serve as limiting piles when concrete pouring of each bored pile is completed, transverse movement of a beam is limited, the insertion depth is consistent with the longitudinal beams, thus the existing rail can be overhead, has stability and safety.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a front view of the present utility model;
Fig. 4 is a top view of the present utility model.
In the figure, 1, a bearing mechanism, 2, a supporting mechanism, 3, a rail, 4, a steel sleeper, 5, a longitudinal beam, 6, a bolt connecting assembly, 7, a sleeper, 8, a cross beam, 9, a bored pile and 10, a manual bored pile.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, a construction structure for continuous steel girder crossing existing railway construction, comprising:
the bearing mechanism 1, the bearing mechanism 1 comprises a rail 3 and a steel sleeper 4, the steel sleeper 4 is paved on the lower surface of the rail 3, a longitudinal beam 5 is installed on the upper surface of the steel sleeper 4, and a cross beam 8 is arranged on the lower surface of the steel sleeper 4;
The support mechanism 2, the support mechanism 2 includes drilling bored concrete pile 9 and artifical hole digging stake 10, and crossbeam 8 both ends all are provided with drilling bored concrete pile 9, and artifical hole digging stake 10 sets up in the below of steel sleeper 4.
Compared with the conventional jacking construction, the device has the advantages that a series of problems of low efficiency, high cost, difficult control of construction precision and the like in the conventional jacking construction can be solved, the potential safety hazard of uncontrollable factors in non-excavation construction can be greatly reduced, the device is used for carrying out overhead design on the existing railway, and the device spans the existing railway, has good integrity, high rigidity and good earthquake resistance, is particularly suitable for road sections with poor foundations, and has good application prospect.
Examples
Referring to fig. 1 to 4, a bolt connection assembly 6 is provided between the longitudinal beam 5 and the sleeper 4, the longitudinal beam 5 is fixedly connected with the sleeper 4 through the bolt connection assembly 6, and the sleeper 4 is fixedly connected with the rail 3 through a reinforcing bolt.
Specifically, the longitudinal beam 5 is formed by splicing I-shaped steel convenient beams, and the longitudinal beam 5 is fixedly spliced by tightening high-strength bolts.
Specifically, sleeper 7 is arranged between steel sleeper 4 and crossbeam 8, and angle steel limiter is buried in the upper surface of bored pile 9, and the angle steel limiter contacts with crossbeam 8.
From the above, by arranging the longitudinal beams 5 and the cross beams 8 formed by splicing the I-shaped steel temporary beams, the steel sleeper 4 is penetrated in advance before the overhead, the steel sleeper 4 is penetrated between the two concrete sleeper, each steel sleeper 4 is connected and fastened with the rail 3, so that the whole railway is located on the steel sleeper 4, then the longitudinal beams 5 are erected at the two ends of the steel sleeper 4, the longitudinal beams 5 are spliced by adopting the I-shaped steel temporary beams, the longitudinal beams 5 are spliced and fixed by adopting high-strength bolts, each steel sleeper 4 and the longitudinal beams 5 are also connected and screwed by adopting the high-strength bolts, then the large cross lifting beam is penetrated at the buttress of each bored pile 9, so that each longitudinal beam 5 is completely dropped on the cross beams 8 to form an overhead bridge system, finally, foundation pit excavation and cast-in-situ main box culvert are carried out under the condition of slow running railway to realize the existing railway under the urban road, wherein the manual bored piles 10 adopt manual tunneling and hole forming, when the concrete pouring is finished, two channel steels are inserted into the top of each manual hole digging pile 10 to serve as limiting piles, vertical displacement of a longitudinal beam 5 is limited, a bored pile 9 is constructed by adopting an automobile circulation drilling pore-forming process, slurry is adopted in the drilling process to perform wall protection and slag soil discharging, pore cleaning is performed in time after pore forming, a reinforcement cage is placed, concrete is poured in time after the reinforcement cage is positioned, the pile top elevation is controlled in the concrete pouring process, the pile top elevation is marked with red paint in advance on the reinforcement cage before the concrete pouring process so as to control the pile top elevation when the concrete pouring is finished, four channel steels are inserted into the pile top to serve as limiting piles when the concrete pouring of each bored pile is finished, transverse movement of a cross beam 8 is limited, the insertion depth is consistent with the longitudinal beam 5, the existing rail 3 can be thereby made to overhead with stability and safety.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023223153504 | 2023-08-28 | ||
| CN202322315350 | 2023-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222227076U true CN222227076U (en) | 2024-12-24 |
Family
ID=91774200
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420881199.2U Active CN222227076U (en) | 2023-08-28 | 2024-04-26 | A construction structure for continuous steel beams spanning existing railways |
| CN202410509223.4A Pending CN118326824A (en) | 2023-08-28 | 2024-04-26 | Construction method for crossing existing railway by continuous steel beams |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410509223.4A Pending CN118326824A (en) | 2023-08-28 | 2024-04-26 | Construction method for crossing existing railway by continuous steel beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN222227076U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119243532A (en) * | 2024-10-12 | 2025-01-03 | 郑州宙晖工程技术有限公司 | D-beam overhead jacking method |
-
2024
- 2024-04-26 CN CN202420881199.2U patent/CN222227076U/en active Active
- 2024-04-26 CN CN202410509223.4A patent/CN118326824A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN118326824A (en) | 2024-07-12 |
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