CN115405070B - Installation form of track panel well hole side beam and station construction method - Google Patents
Installation form of track panel well hole side beam and station construction method Download PDFInfo
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- CN115405070B CN115405070B CN202210983121.7A CN202210983121A CN115405070B CN 115405070 B CN115405070 B CN 115405070B CN 202210983121 A CN202210983121 A CN 202210983121A CN 115405070 B CN115405070 B CN 115405070B
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- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 230000008093 supporting effect Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to the technical field of subway design construction, in particular to an installation form of a track panel well hole side beam and a station construction method.
Description
Technical Field
The invention relates to the technical field of subway design construction, in particular to an installation form of a track panel well hole side beam and a station construction method.
Background
Most of subway stations and sections are arranged underground, so as to ensure the requirement of the laying progress of subway train tracks and reduce the track laying cost, and holes (middle plates and top plates) are reserved on all laminates (namely track panel wells) at the tops of the open cut stations or sections. The track panel is hoisted to the bottom of the track laying car from top to bottom by the track panel well.
In order to ensure stable stress of the station structure during rail laying construction, as shown in fig. 1, temporary track panel well stringers 100 and cross beams 200 are cast in situ in holes Bian Yitong during construction of the station middle plate by a bracket, so as to resist water and soil pressure of the station side walls 300 and ensure that the station side walls 300 and the track panel wells are not deformed due to overlarge stress. The ring frame beam formed by the longitudinal beam and the cross beam of the track panel well is generally of a temporary structure, and the cross beam occupies the space of the smoke exhaust air duct, so Kong Bianhuan frame beams are chiseled out and top and middle plates are closed after the track panel is paved; due to the fact that the cutting process of the ring frame beam has the problems of cross operation of rail laying construction and electromechanical installation, the construction period is long, meanwhile, the cutting process is time-consuming and labor-consuming, engineering materials are wasted, and certain safety risks exist.
Disclosure of Invention
The invention aims at: the rail panel well is plugged by cutting longitudinal beams and cross beams at the edges of holes after the rail is laid, so that the problem that the cutting process is time-consuming and labor-consuming is solved, and a novel rail panel well hole edge beam mounting form is provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a mounting form of track panel well roof rail, includes track panel well longeron and track panel well crossbeam, sets up the track panel well longeron in the station side wall department of both sides respectively relatively, and the track panel well longeron sets up along the line direction, and the outside of two track panel well longerons is the station side wall of corresponding side of fixed connection respectively, sets up the integrative connection of track panel well crossbeam between two track panel well longerons, and track panel well longeron is the box girder, and the box girder doubles as the rail roof wind channel.
According to the invention, station side walls on two corresponding sides of the track panel well stringers are oppositely arranged, the track panel well cross beams are integrally connected between the two track panel well stringers to form an enclosure structure of the track panel well, and the track panel well stringers with box-shaped cross sections are adopted on the basis and are used as a track top air duct, so that the permanent combination of the structure is realized, the stress requirements of the longitudinal and transverse beams on resisting lateral water and soil pressure are met, the deformation of the station panel layers and the track panel wells is reduced, and the enclosure structure can also be used as a smoke discharging function of the track top air duct. Therefore, temporary track panel well stringers do not need to be chiseled out in a large scale in the later period, secondary construction of an air duct in the area is avoided, continuous construction can be directly carried out at two ends of a box beam during subsequent construction of the air duct, interference is not generated in arrangement of track panel well beams, the construction period can be effectively shortened, the construction difficulty is reduced, the construction cost is also reduced, and the energy-saving and environment-friendly effects are achieved; moreover, compared with the conventional solid track section well longitudinal beam, the box beam has light dead weight, small burden on the connected side wall and station slab, and safer and more reliable stress.
Preferably, the outside web plate of the box girder is embedded into and connected with the station side wall, the thickness of the outside web plate of the box girder is consistent with that of the station side wall on the corresponding side, and the outside surface of the outside web plate is flush with that of the station side wall, so that the outside web plate of the box girder is also used as the station side wall, and the structural stability and the safety of the station side wall are effectively ensured.
Preferably, the height of the cross beam is aligned with the height of the box beam, the section force transmission is uniform, the structure is reasonable, and the template can be conveniently built.
Preferably, the upper wing plate of the box beam is in butt joint with the station middle plate, and the upper wing plate is used as a part of the station middle plate.
Preferably, the top surface position of the box girder is aligned with the top surface position of the middle plate in the station.
Preferably, the thickness of the upper wing plate of the box beam is consistent with that of the middle plate of the station, and the stress is reasonable.
Preferably, the lower wing plate of the box beam is provided with a through hole which serves as an air outlet of the rail top air channel, thereby being beneficial to evacuating air and reducing wind pressure.
Preferably, the box girder is connected with a rail-mounted area partition member, and the rail-mounted area partition member is positioned at the bottom of the lower wing plate of the box girder and is arranged corresponding to the position of the inner web plate of the box girder. The track area partition piece is used for installing the track area shielding door at a later stage.
Preferably, the box beams and the cross beams are both reinforced concrete structures.
Preferably, a track panel well space formed between the track panel well longitudinal beam and the track panel well cross beam is arranged above the station board, and the track panel well longitudinal beam is arranged right above the corresponding line.
On the other hand, the invention also provides a station construction method adopting the rail panel well hole side beam installation form, which comprises the following steps:
forming a supporting system by at least adopting three supporting pairs to prop against the side wall of the station foundation pit, wherein two supporting pairs are respectively arranged corresponding to the upper part and the lower part of the to-be-arranged position of the box-shaped track panel well longitudinal beam, are used for temporarily supporting the track panel well supporting structure of the middle plate before and after forming, and are arranged closer to the top of the station foundation pit opening than the two supporting pairs, and are used for supporting the station foundation pit opening;
firstly, constructing a station bottom plate of a negative two-layer station and side walls on two sides from bottom to top; according to the actual construction condition, the side wall is applied and the support of the upper support is detached;
after removing the support of the station negative two layers, applying the support to a station middle plate, wherein the station middle plate reserves a track panel well hole, and applying the track panel well longitudinal beam and the cross beam corresponding to the track panel well position to form a hole edge beam supporting structure;
after the side beams of the track panel well holes of the middle plate of the station form a frame system, the track panel well is surrounded by Kong Bianliang to resist the water and soil pressure of the side wall, then the support of the upper negative layer is removed, and the side walls on the two sides and the top plate of the station are continuously constructed, wherein the track panel well holes are reserved on the top plate of the station;
and finally, removing the support at the top of the station foundation pit, plugging the track panel wellholes of the middle plate and the top plate after the track panel well is used for finishing the track laying operation, backfilling the covering soil in the track panel well range, and finishing station construction.
In the conventional station structure, the lower part of the station middle plate is a negative two-layer, and the upper part of the station middle plate is a station negative one-layer.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention optimizes the installation form of the track panel well, adopts the box beam as the track panel well longitudinal beam structure and also takes the construction of the track top air duct into consideration to realize the smoke discharging function, combines the track panel well longitudinal beam with the permanent structure of the station, does not need to drill temporary track panel well longitudinal beam in a large range in the later period, also avoids the secondary construction of the air duct in the area, can directly carry out continuous construction at the two ends of the box beam during the subsequent construction of the air duct, does not interfere the arrangement of the track panel well cross beam, shortens the construction period, reduces the construction difficulty, also reduces the construction cost, has low construction risk, saves energy and protects the environment.
2. Compared with the conventional solid track panel well longitudinal beam, the box-shaped track panel well longitudinal beam has the advantages of light dead weight, small load on the connected side wall and station slab and safer and more reliable stress.
3. The invention has compact integral structure and reasonable stress, is convenient for installation and later maintenance, and is suitable for the station with the track panel well arranged in the effective station platform range of the station.
4. The track panel well installation system has the advantages that the structure functions of each part of the box-shaped track panel well longitudinal beam are multipurpose, for example, the hollow structure of the box-shaped beam is also used as a track top exhaust duct, the upper wing plate is also used as a station middle plate, the lower wing plate and the inner web plate are both used as partitions of a track top air duct, the outer web plate is also used as a station side wall, the construction working procedures are greatly reduced, the construction period is saved, and the construction efficiency is high.
Drawings
FIG. 1 is a schematic plan view of a prior art track panel well installation;
FIG. 2 is a schematic cross-sectional view of the present invention in the form of a track panel well side sill installation (only one side of which is shown);
FIG. 3 is a schematic plan view of the present invention in the form of a track panel well side sill installation;
fig. 4 is a construction station structure step one of the present invention: constructing a cross-section schematic diagram of a station foundation pit support for carrying out construction of a negative two-layer station structure;
fig. 5 is a construction station structure step two of the present invention: dismantling a bottom support of the middle plate, and constructing a cross-section schematic diagram of the middle plate and a track panel well support of the station;
fig. 6 is a construction station structure step three of the present invention: removing a top support of the middle plate and constructing a cross-sectional schematic diagram of a negative one-layer station structure;
fig. 7 is a construction station structure step four of the present invention: removing a structural section schematic diagram of the top support of the station;
fig. 8 is a construction station structure step five of the present invention: schematic structural section diagram when plugging track panel wells and recovering station pavement;
the drawings in the prior art show: 100-longitudinal beams; 200-a cross beam; 300-side walls;
the drawings of the invention show: 1-upper wing plate; 2-an outboard web; 3-lower wing panels; 4-an inboard web; 5-hollow structure; 6-side walls; 7-a middle plate; 8-rail-mounted zone partitions; 9-track area shield doors; 10-platform plate structure; 11-a bottom plate; 12-a cross beam; 13-track panel wells; 14-supporting; 15-top plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
The present embodiment provides an installation form of a track panel well side beam, as shown in fig. 2 and 3, comprising a track panel well side beam and a track panel well cross beam 12. The track panel well system is arranged in the range of an effective station of a station and is positioned above an uplink and downlink double-track line, the station structure comprises a station side wall 6, a station bottom plate 11 and a station middle plate 7, a station plate structure 10 is arranged on the station bottom plate 11, the two sides of the station plate structure 10 are respectively track panel areas to be paved with track panels, and track panel wellholes with enough sizes are reserved on the station middle plate 7.
The rail panel well longitudinal beams are oppositely arranged at station side walls 6 on two sides, the outer sides of the two rail panel well longitudinal beams are respectively embedded into the station side walls 6 connected with the corresponding sides, the rail panel well longitudinal beams are arranged right above a line in a box-shaped beam structure mode and used as rail top air channels, and the box-shaped rail panel well longitudinal beams comprise upper wing plates 1, outer side web plates 2, lower wing plates 3 and inner side web plates 4; a track panel well cross beam 12 is arranged between the two track panel well longitudinal beams and is integrally connected. Therefore, the enclosure of the track panel well 13 is realized, the function of resisting lateral water and soil pressure is achieved, the smoke exhausting function of the track top air duct is also considered, the temporary structure is converted into the permanent structure of the station, the processes of chiseling the track panel well longitudinal beam in the later period and constructing the track top air duct again in the section are avoided, the subsequent construction can be directly carried out at the two ends of the box beam during the construction of the air duct, the arrangement of the track panel well cross beam 12 does not generate interference, and the cross beam 12 can be reserved or chiseled in the later period according to requirements. Specifically, a hollow structure 5 formed by enclosing an upper wing plate 1, an outer web plate 2, a lower wing plate 3 and an inner web plate 4 of the box girder is also used as a rail top exhaust duct to realize a smoke exhausting function. The upper wing plate 1 is in butt joint with the station middle plate 7, the surface of the upper wing plate 1 is flush with the upper surface of the station middle plate 7, so that the upper wing plate 1 of the box beam can be used as a part of the station middle plate 7, and the part of the middle plate structure does not need to be repeatedly constructed when a track panel well is plugged; preferably, the thickness of the upper wing plate 1 of the box girder is consistent with the thickness of the middle plate 7 of the station, so that the box girder is uniformly stressed. The lower wing plate 3 of the box girder is provided with a through hole for ventilation, which is beneficial to evacuating air and reducing wind pressure, and the lower wing plate 3 and the inner web plate 4 are used as the partition of the air channel. The thickness of the outer side web plate 2 of the box girder is consistent with that of the station side wall 6 at the corresponding side, and the outer side surface of the outer side web plate 2 is flush with that of the station side wall 6, so that the outer side web plate 2 of the box girder can be used as the station side wall 6. When the conditions allow, the thickness of the two webs of the box beam is the same, so as to meet the requirements of bending resistance and shearing resistance of the rail panel well longitudinal beam. The box girder is connected with a rail zone partition member 8, the rail zone partition member 8 is positioned at the bottom of the lower wing plate 3 of the box girder and is arranged corresponding to the position of the inner web plate 4 of the box girder, and the rail zone partition member 8 is used for installing a rail zone shielding door 9 at a later stage.
Further, the height of the cross beam 12 is set to be identical with that of the box beam, namely, the upper surface of the cross beam 12 is aligned with the upper surface of the box beam, the lower surface of the cross beam 12 is aligned with the lower surface of the box beam, the section force transmission is uniform, the structure is reasonable, and the template can be conveniently built. In this embodiment, the track panel well stringers and the cross beams 12 are both reinforced concrete structures, and the concrete grade of the track panel well stringers is the same as that of the station main structure (side wall, middle plate) or the concrete label of the track panel well stringers is increased by one grade.
It should be noted that, in this embodiment, during construction, the station side wall 6 and the middle plate 7 are integrally connected through reserved steel bars and the track panel well longitudinal beam, the longitudinal steel bars of the track panel well cross beam 12 are integrally connected with the track panel well longitudinal beam, after the cast-in-situ molding is performed, the track panel well longitudinal beam, the cross beam 12 and the station structures (side wall and middle plate 7) on the periphery are consolidated, and the middle part can be self-supported to form a stable structure without supporting through supporting members such as structural columns. The track panel well installation form is particularly suitable for double-track lines, and can be popularized to three-track lines, four-track lines and the like.
According to the invention, the station side walls 6 on the two corresponding sides of the track panel well longitudinal beams are oppositely arranged, the track panel well cross beams 12 are integrally connected between the two track panel well longitudinal beams to form the enclosure structure of the track panel well, the track panel well longitudinal beam structure with the box-shaped section is adopted on the basis, and the enclosure structure is used as a track top air duct, so that the permanent combination of the structure is realized, the stress requirements of the longitudinal cross beams 12 on resisting lateral water and soil pressure are met, the deformation of the station panel layers and the track panel wells is reduced, and the enclosure structure can also be used as the smoke discharging function of the track top air duct. Therefore, temporary track panel well stringers do not need to be chiseled out in a large scale in the later period, secondary construction of an air duct in the area is avoided, continuous construction can be directly carried out at two ends of a box beam during subsequent construction of the air duct, interference is not generated in arrangement of track panel well beams, the construction period can be effectively shortened, the construction difficulty is reduced, the construction cost is also reduced, and the energy-saving and environment-friendly effects are achieved; moreover, compared with the conventional solid track section well longitudinal beam, the box beam has light dead weight, small burden on the connected side wall and station slab, and safer and more reliable stress.
Example 2
Based on embodiment 1, the present embodiment provides a construction method of a track panel well having the track panel well side beam installation form, as shown in fig. 4 to 8, comprising the following steps:
step one, as shown in fig. 4, in an open cut station foundation pit, a plurality of supports 14 are adopted to butt against the side wall of the foundation pit, so as to form a preliminary support stress system. In the embodiment, the opposite supports 14 are uniformly distributed at the upper and lower parts of the to-be-set position of the longitudinal beam of the box-shaped track panel well and at the top of the foundation pit, so that the supporting effect is good, and the subsequent safe construction of the station structure is facilitated; taking three supports as an example, specifically, the bottom plate 11, the side wall waterproof layer, the side wall 6, and the like of the negative two-layer portion of the bottom of the lowermost support 14 (the third support from top to bottom) are applied first.
Step two, as shown in fig. 5, removing the bottommost support 14 (i.e. the third support), applying a side wall waterproof layer, a side wall 6, a middle plate 7 and the like of the rest part of the negative two layers, reserving a track hole at the position of a track hole 13 of the middle plate 7, applying a box girder at the edge corresponding to the track hole position along the line direction, integrally connecting the outer side of the box girder at the top end of the side wall 6, integrally connecting the two ends of the box girder with the middle plate 7 of the station, integrally connecting the inner side of the box girder with a cross beam 12 (the cross beam is not shown in fig. 5-8), and forming a hole edge beam of the track hole 13 by the box girder and the cross beam 12 for resisting the soil pressure from the side wall 6, protecting the track hole 13 and the middle plate 7 and reducing the stress deformation.
Step three, as shown in fig. 6, after the construction of the station middle plate 7 is completed, removing one support 14 (a second support) on the upper part of the middle plate 7, applying a negative layer of side wall waterproof layer, side wall 6, top plate 14 and other station structures, and reserving track panel wells 13 with proper sizes in the corresponding positions in the middle of the top plate 14.
Step four, as shown in fig. 7, removing the uppermost support 14 (i.e., the first support) and performing the track laying operation by using the track panel well 13.
Step five, as shown in fig. 8, after the track laying operation is completed, the track panel well 13 is directly plugged, and the station within the range of the track panel well 13 is backfilled with soil.
It should be noted that, the support of the required support in the track panel well construction process is not limited to the three support positions in this embodiment, and multiple channels can be added according to the size of the station foundation pit and the actual construction requirements, so as to ensure that the construction system is stable, safe and reliable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The utility model provides a mounting form of track panel well roof rail, includes track panel well longeron and crossbeam (12), its characterized in that sets up relatively respectively at station side wall (6) of both sides track panel well longeron, track panel well longeron sets up along the line direction, two the outside of track panel well longeron is fixed connection respectively corresponding side wall (6), set up between two track panel well longeron crossbeam (12) body coupling, track panel well longeron is the box girder, the upper portion pterygoid lamina (1) and the station medium plate (7) butt joint of box girder are connected.
2. The form of installation of a track panel well side sill according to claim 1, characterized in that the outer web (2) of the box girder is embedded in connection with the side wall (6), the outer web (2) is of the same thickness as the side wall (6) of the corresponding side, and the outer side of the outer web (2) is flush with the outer side of the side wall (6).
3. A form of installation of a track-panel well side beam according to claim 1, characterized in that the top surface of the box beam is positioned in alignment with the top surface of the middle plate (7).
4. A form of installation of a track panel wellbore side beam according to claim 1, characterized in that the thickness of the upper wing plate (1) of the box beam corresponds to the thickness of the middle plate (7).
5. A form of installation of a track panel wellbore side sill according to claim 1, characterized in that the lower flanges (3) of the box beams are provided with through holes.
6. The mounting form of a track panel well side beam according to claim 1, characterized in that the box beam is connected to a track section partition (8), the track section partition (8) being located at the bottom of the lower wing (3) of the box beam and being arranged in correspondence of the inner web (4) of the box beam.
7. A form of installation of a track panel well side rail according to any one of claims 1-6, characterized in that the height of the cross rail (12) is arranged in alignment with the height of the box rail.
8. A form of installation of a track panel wellbore side sill according to any of claims 1-6, wherein the box girder and the cross girder (12) are both of reinforced concrete construction.
9. A station construction method adopting the installation form of the track panel well side beam according to any one of claims 1 to 8, wherein,
at least three supports (14) are adopted to form a supporting system against the side wall of the station foundation pit, wherein two supports (14) are respectively arranged corresponding to the upper part and the lower part of the to-be-arranged position of the box-shaped track panel well longitudinal beam and are used for temporarily supporting before and after the track panel well supporting structure is formed, and the other support (14) is arranged close to the top of the station foundation pit;
firstly, a station bottom plate (11) with a negative two-layer is firstly applied from bottom to top, and side walls (6) at two sides of the station bottom plate;
after removing the support (14) of the station negative two layers, constructing a station middle plate (7), wherein the station middle plate (7) reserves a track panel well hole, and constructing a track panel well longitudinal beam and a cross beam (12) corresponding to the track panel well (13) to form a hole boundary beam supporting structure;
after a frame system is formed by the hole boundary beams of the track panel well (13) of the station middle plate, removing a negative layer of support (14), and continuously applying side walls (6) on two sides and a station top plate (15), wherein the station top plate (15) reserves track panel wellholes;
and finally, removing a support (14) at the top of the station foundation pit, plugging track panel wellholes of the middle plate and the top plate after the track panel well is used for finishing the track laying operation, and backfilling the covering soil in the track panel well range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210983121.7A CN115405070B (en) | 2022-08-16 | 2022-08-16 | Installation form of track panel well hole side beam and station construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210983121.7A CN115405070B (en) | 2022-08-16 | 2022-08-16 | Installation form of track panel well hole side beam and station construction method |
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| CN115405070A CN115405070A (en) | 2022-11-29 |
| CN115405070B true CN115405070B (en) | 2024-01-23 |
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