CN214273648U - Three-circle shield constructs construction subway station structure - Google Patents
Three-circle shield constructs construction subway station structure Download PDFInfo
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- CN214273648U CN214273648U CN202120224536.7U CN202120224536U CN214273648U CN 214273648 U CN214273648 U CN 214273648U CN 202120224536 U CN202120224536 U CN 202120224536U CN 214273648 U CN214273648 U CN 214273648U
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Abstract
The utility model discloses a three-circle shield constructs construction subway station structure includes the outer envelope of three-circle type, is equipped with secondary lining structure on the outer envelope's of three-circle type the inner wall, and the outer envelope inner chamber of three-circle type divide into side functional area and middle functional area through the pillar structure. The upper part of the side functional area is provided with a top functional space, and the lower part of the side functional area is provided with a lower functional space; the middle functional area is a comprehensive activity area, and the side functional areas comprise a left passenger area and a right passenger area, are communicated with the middle functional area and can be used for waiting passengers and running subways. The utility model discloses three round shield constructs and builds subway station structure and makes mechanized construction subway station become reality, has improved underground construction engineering's efficiency of construction and degree of mechanization simultaneously, has reduced the subsurface excavated construction risk, has reduced the pipeline and has moved and change and reach the influence to ground traffic.
Description
Technical Field
The utility model relates to a subway structure technical field especially indicates a three-circle shield constructs construction subway station structure.
Background
Along with the deepening of urban underground space development, more and more roads below have set up underground construction structures such as subway, overhead bridge pile, municipal administration underpass tunnel, utility tunnel, pipeline slot, have influenced the setting of subway station to a certain extent. If the station positions are adjusted to other positions by avoiding obstacles, the functions of the subway station and the passenger flow attraction are influenced. Under the conditions that underground constructions are not affected, ground traffic continues to pass, and subway stations are not adjusted, the newly-built subway stations need to pass through the existing underground constructions by adopting an underground excavation method, and a separated island platform scheme is also adopted in more station schemes. A peripheral supporting structure is added on the basis of an existing subway interval tunnel, the peripheral supporting structure is formed by more than 2 curve supporting pipelines which are arranged in parallel along the axial direction of a shield tunnel and are internally poured with concrete, and two ends of each curve supporting pipeline are respectively connected with a shield segment top sheet and a shield segment bottom sheet to form a whole. The structure is an improvement based on the existing subway interval tunnel, is suitable for the area of the water-rich stratum and has limited operation space. Most of the prior art is directly carried out on a three-round shield segment, a space structure stress system and waterproof performance are damaged, and a layout structure of later-stage economy cannot be met.
Traditional undercut method construction, the undercut process is complicated, and the construction degree of difficulty risk is big, the period is long, and the underground space that the undercut came out receives the structural bearing capacity restriction, can't realize the space continuous, and the passenger field of vision is obstructed, uses and has often inconveniently. At present, the technology and equipment for mechanically constructing the subway interval tunnel are quite mature, the construction efficiency and the mechanization degree are greatly improved, and the labor intensity and the safety risk of interval tunnel construction are reduced. The general subway practitioners or scientific research institutions hope to research a subway station structure which not only ensures the safety of the subway station structure, but also meets the functional requirements of the station and has higher space utilization rate, and the subway station structure can be suitable for mechanized underground excavation for construction under the conditions of the prior art and equipment.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a three-circle shield constructs construction subway station structure for solve above-mentioned technical problem.
The technical scheme of the utility model is realized like this: a subway station structure built by a three-circle shield comprises a three-circle outer enclosure structure, wherein a secondary lining structure is arranged on the inner wall of the three-circle outer enclosure structure, and the inner cavity of the three-circle outer enclosure structure is divided into a side functional area and a middle functional area through a strut structure. The upper part of the side functional area is provided with a top functional space, and the lower part of the side functional area is provided with a lower functional space; the middle functional area is a comprehensive activity area, and the side functional areas comprise a left passenger area and a right passenger area, are communicated with the middle functional area and can be used for waiting passengers and running subways.
Specifically, the three-circle outer enclosing structure comprises a left arc pipe piece structure, a middle arc pipe piece structure and a right arc pipe piece structure, the middle arc pipe piece structure is in arc transition connection with the left arc pipe piece structure and the right arc pipe piece structure respectively, and the support column structure is arranged at an arc transition position corresponding to the upper portion and the lower portion. Preferably, the radius of left circular arc section of jurisdiction structure, well circular arc section of jurisdiction structure and right circular arc section of jurisdiction structure is the same, and left circular arc section of jurisdiction structure and right circular arc section of jurisdiction structural symmetry set up in the left and right sides of well circular arc section of jurisdiction structure, and the centre of a circle of well circular arc section of jurisdiction structure is higher than the centre of a circle of left circular arc section of jurisdiction structure and right circular arc section of jurisdiction structure.
Specifically, the pillar structure includes top longeron and the end longeron of forming with secondary lining structure pouring, and the interval is provided with vertical support column between top longeron and the corresponding end longeron. Preferably, the bottom of the middle functional area is provided with an anti-floating structure I, a station layer structural plate is laid between the two bottom longitudinal beams, and a strong electric pipeline channel is formed between the station layer structural plate and the anti-floating structure I.
Specifically, the upper part of the left transportation area and the upper part of the right transportation area are both provided with a flat-top structural plate connected with a top longitudinal beam, and a top functional space is formed between the flat-top structural plate and the secondary lining structure. The top functional space is divided into a rail top civil air duct and a civil pipeline bin through a separation structure plate vertically arranged on the flat-top structure plate; the flat-top structural plate at the bottom of the rail top civil air duct is provided with an air port, the flat-top structural plate at the bottom of the civil pipeline bin is provided with a louver window and an access hole, and the side wall of the civil pipeline bin is provided with a bracket.
Specifically, anti structure II that floats has all been pour to the lower part in left side transportation district and the lower part in right side transportation district, is equipped with the bearing structure board on the anti structure II that floats, and the bearing structure board upper berth is equipped with the side platform structural slab that flushes with the end longeron, and functional space is down formed with anti structure II that floats to the side platform structural slab, and lower functional space is preferred to be water specialty pipeline passageway or reserve the passageway, is equipped with shield door installation space between side platform structural slab and the flat-top structural slab. A train running channel is formed among the flat-top structural plate, the anti-floating structure II and the shielding door installation space, and a pipeline bracket embedded part is embedded in the arc side wall of the train running channel.
The utility model discloses the outer envelope of three circles type adds the three circles shield of secondary lining structure and constructs subway station structure, and waterproof nature is good, and structural strength is big, improves subway station structure factor of safety, and simplifies the construction process, makes mechanization build subway station become reality, has improved underground construction engineering's efficiency of construction and level of mechanization simultaneously, has reduced the hidden construction risk of digging, has reduced the pipeline and has moved and change and reach the influence to ground traffic. When large underground building structures such as existing elevated overpass piles, municipal tunnels, rivers, pipe galleries and the like are penetrated under the main body of the subway station, the platform space of the three-circle outer enclosure structure of the vault structure is communicated and continuous, the visual field of passengers is accessible and wide, and the using function is good. The utility model discloses underground space structure also can be used to large-scale underground parking garage, municipal administration under wear scenes such as tunnel, the practicality is strong, and can guarantee the structure safety when the subway station main part passes through existing underground building structure, can satisfy the station platform space again and link up each item demand of subway station functions such as continuous, penetrating division, has higher spreading value.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic view of a three-circle type outer envelope structure of the present invention in embodiment 1.
Fig. 2 is a schematic view of the three-circle type outer envelope of the present invention in embodiment 2.
Fig. 3 is a schematic view of the internal structure of the present invention.
In the figure: left circular arc section of jurisdiction structure 1, well circular arc section of jurisdiction structure 2, right circular arc section of jurisdiction structure 3, secondary lining structure 4, top longeron 5, end longeron 6, vertical support post 7, rail top civil engineering wind channel 8, civil engineering pipeline storehouse 9, waiting area 10, train passageway 11 of traveling, pipeline bracket built-in fitting 12, anti structure I131 that floats, anti structure II 132 that floats, water specialty pipeline passageway 14, forceful electric power pipeline passageway 15, reserve passageway 16, platform layer structural slab 17, flat-top structural slab 18, separate structural slab 19, bracket 20, support structural slab 21, side platform structural slab 22, shield door installation space 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, in embodiment 1, a three-circle shield structure for constructing a subway station includes a three-circle outer enclosure structure 100, where the three-circle outer enclosure structure 100 is a space structure formed by using a three-circle shield machine, and can be used as a subway station to meet structural stress and functional use requirements of the subway station. The three-circle outer envelope 100 is a composite lining structure. The inner wall of the three-circle outer enclosure structure 100 is provided with a secondary lining structure 4, the secondary lining structure is a concrete secondary lining, and the secondary lining structure 4 is connected with a top bottom plate and a side wall of a station to protect the stress of the structure and the water resistance safety. The interior of the three-circle outer envelope 100 is divided into a side functional zone and a middle functional zone 400 by two strut structures 200, and preferably, the side functional zones are a left passenger zone 300 and a right passenger zone 500. The middle functional area is a comprehensive activity area, and the left passenger area and the right passenger area are communicated with the middle functional area and used for waiting passengers and running subways. And a platform layer structural plate, a structural column, a rail running area of a subway travelling crane, a rail top air duct space, a cable channel and other structural spaces are arranged in the left passenger transportation area and the right passenger transportation area, so that the safety and environment-friendly passing of the subway is assisted.
Further, the outer envelope structure 100 of three circles type includes left circular arc segment structure 1, well circular arc segment structure 2 and right circular arc segment structure 3, well circular arc segment structure 2 respectively with left circular arc segment structure 1, 3 circular arc transitional couplings of right circular arc segment structure, pillar structure 200 sets up the circular arc transition department that corresponds from top to bottom, improves the stability of outer envelope structure of three circles type and secondary lining structure, pillar structure's top longeron and end longeron and secondary lining structure are together pour the shaping. Left circular arc section of jurisdiction structure 1 is the same with right circular arc section of jurisdiction structure 3 as required, and left circular arc section of jurisdiction structure 1 is less than or is greater than the radius of well circular arc section of jurisdiction structure 2 with the radius of right circular arc section of jurisdiction structure 3, specifically selects according to construction environment and subway space construction requirement.
As shown in fig. 2, embodiment 2, a subway station structure is built to three-circle shield, left circular arc section of jurisdiction structure 1, well circular arc section of jurisdiction structure 2 and right circular arc section of jurisdiction structure 3's radius are the same, left circular arc section of jurisdiction structure 1 and the left and right sides that right circular arc section of jurisdiction structure 3 symmetry set up in well circular arc section of jurisdiction structure 2, and the centre of a circle of well circular arc section of jurisdiction structure 2 is higher than the centre of a circle of left circular arc section of jurisdiction structure 1 and right circular arc section of jurisdiction structure 3, forms the three-circle shield that upwards arches and assembles section of jurisdiction structure, improves middle functional area 400 ceiling height, opens the upper space. The other structure is the same as embodiment 1.
As shown in fig. 3, in embodiment 3, the structure of a three-round shield for constructing a subway station includes a pillar structure 200, which includes a top longitudinal beam 5 and a bottom longitudinal beam 6 that are poured with a secondary lining structure 4, and vertical support pillars 7 are disposed between the top longitudinal beam 5 and the corresponding bottom longitudinal beam 6 at intervals. The top longitudinal beam 5 and the bottom longitudinal beam 6 are set to be profile steel and reinforced concrete combined beams; in order to reduce the self weight of the structure, the structure top longitudinal beam can also be set as a hollow prestressed steel box beam, and fireproof concrete is sprayed outside. Can set up a plurality of vertical support post 7 between roof longeron 5 and the end longeron 6 and support, in this embodiment, adopt two vertical support post 7 to support between roof longeron 5 and the end longeron 6, the distance that 7 fitment finished surface of vertical support post was apart from platform screen door or emergency exit satisfies the standard requirement.
Further, the bottom of middle functional area 400 is equipped with anti structure I131 that floats, and anti structure I131 that floats can cast in situ concrete or pour into other materials such as steel sand, satisfies the anti demand that floats of structure. A station layer structural plate 17 is laid between the two bottom longitudinal beams 6, and a strong electric pipeline channel 15 is formed between the station layer structural plate 17 and the anti-floating structure I131. The strong electric pipeline channel 15 provides cables, power for illuminating the bridge space and serves as an access channel. The middle vault structure roof is provided with a fireproof plate, artistic painting can be directly sprayed on the fireproof plate or a ceiling and the like are arranged, the lower part is not provided with a pipeline and a suspended ceiling, and the cost of the suspended ceiling is avoided. The other structure is the same as embodiment 1 or embodiment 2.
Further, anti-floating structures II 132 are poured on the lower portion of the left transporting area 300 and the lower portion of the right transporting area 500, a supporting structure plate 21 is arranged on the anti-floating structures II 132, a side platform structure plate 22 which is flush with the bottom longitudinal beam 6 is paved on the supporting structure plate 21, a lower functional space is formed between the side platform structure plate 22 and the anti-floating structures II 132, the lower functional space is a water professional pipeline channel 14 or a reserved channel 16, the lower portion of the left transporting area 300 is the water professional pipeline channel 14, the lower portion of the right transporting area 500 is the reserved channel 16, the water professional pipeline channel 14 is a water professional pipeline channel and an overhaul channel, and the pipeline channel space and the overhaul channel are used for a fire water pipe and a pipeline channel space and an overhaul channel which are used for connecting two end control machine rooms of a station and a cold water machine room. A screen door installation space 23 is provided between the side platform structure plate 22 and the flat top structure plate 18. The side platform structure plate 22 and the screen door installation space 23 form the waiting area 10. Preferably, a train running channel 11 is formed among the flat-top structural plate 18, the anti-floating structure ii 132 and the shield door installation space 23, and a pipeline bracket embedded part 12 is embedded in the arc-shaped side wall of the train running channel 11. When the pipeline bracket 12 is a cast-in-place reinforced concrete secondary lining, installation parts such as advertising lamp boxes, signals and water pipes are pre-embedded in advance, and pipelines are directly installed on the cast-in-place reinforced concrete secondary lining, so that the integrity and the waterproof performance of the shield splicing pipes are prevented from being damaged. And when the reinforced concrete secondary lining 4, the top longitudinal beam 5 and the bottom longitudinal beam 6 are cast in place, the rail top civil air duct 8, the civil pipeline bin 9, the side pipeline bracket 12, the water professional pipeline channel 14 and the reserved channel 16 are connected. The other structure is the same as in example 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three-round shield constructs builds subway station structure which characterized in that: the three-circle type outer enclosing structure comprises a three-circle type outer enclosing structure (100), wherein a secondary lining structure (4) is arranged on the inner wall of the three-circle type outer enclosing structure (100), the inner cavity of the three-circle type outer enclosing structure (100) is divided into a side functional area and a middle functional area (400) through a strut structure (200), and the middle functional area (400) is a vault structure; the upper part of the side functional area is provided with a top functional space, and the lower part of the side functional area is provided with a lower functional space; the pillar structure (200) comprises a top longitudinal beam (5) and a bottom longitudinal beam (6) which are connected with the secondary lining structure (4), and vertical supporting pillars (7) are arranged between the top longitudinal beam (5) and the corresponding bottom longitudinal beam (6) at intervals.
2. The three-circle shield subway station construction structure according to claim 1, characterized in that: the three-circle outer enclosing structure (100) comprises a left arc pipe piece structure (1), a middle arc pipe piece structure (2) and a right arc pipe piece structure (3), wherein the middle arc pipe piece structure (2) is respectively in arc transition connection with the left arc pipe piece structure (1) and the right arc pipe piece structure (3), and the support column structure (200) is arranged at the arc transition position corresponding to the upper part and the lower part.
3. The three-circle shield subway station construction structure according to claim 2, characterized in that: the radius of left circular arc section of jurisdiction structure (1), well circular arc section of jurisdiction structure (2) and right circular arc section of jurisdiction structure (3) is the same, and left circular arc section of jurisdiction structure (1) and right circular arc section of jurisdiction structure (3) symmetry set up in the left and right sides of well circular arc section of jurisdiction structure (2), and the centre of a circle of well circular arc section of jurisdiction structure (2) is higher than the centre of a circle of left circular arc section of jurisdiction structure (1) and right circular arc section of jurisdiction structure (3).
4. The three-round shield tunneling construction subway station structure according to any one of claims 1 to 3, characterized in that: and the top longitudinal beam (5) and the bottom longitudinal beam (6) are integrally cast with the secondary lining structure (4).
5. The three-circle shield subway station construction structure according to claim 4, wherein: the bottom of middle functional area (400) is equipped with anti structure I (131) that floats, has laid platform layer structural slab (17) between two end longerons (6), forms forceful electric power pipeline passageway (15) between platform layer structural slab (17) and the anti structure I (131) that floats.
6. The three-circle shield tunneling construction subway station structure according to any one of claims 1-3 and 5, characterized in that: the lateral functional area comprises a left transporting area (300) and a right transporting area (500), flat-top structural plates (18) connected with the top longitudinal beams (5) are arranged at the upper parts of the left transporting area (300) and the right transporting area (500), and top functional spaces are formed between the flat-top structural plates (18) and the secondary lining structures (4).
7. The three-circle shield subway station construction structure according to claim 6, wherein: the top functional space is divided into a rail top civil air duct (8) and a civil pipeline bin (9) through a separation structure plate (19) vertically arranged on a flat-top structure plate (18); the rail top civil air duct is characterized in that an air port is formed in a flat-top structural plate (18) at the bottom of the rail top civil air duct (8), a louver window and an access hole are formed in the flat-top structural plate (18) at the bottom of the civil pipeline bin (9), and a bracket (20) is arranged on the side wall of the civil pipeline bin (9).
8. The three-circle shield subway station construction structure according to claim 7, wherein: anti structure II (132) of floating has all been pour to the lower part in left side passenger area (300) and the lower part in right side passenger area (500), is equipped with bearing structure board (21) on anti structure II (132) of floating, and bearing structure board (21) upper berth is equipped with side platform structural slab (22) that flushes with end longeron (6), and functional space under side platform structural slab (22) and anti formation between the structure II (132) of floating, is equipped with shield door installation space (23) between side platform structural slab (22) and flat-top structural slab (18).
9. The three-circle shield subway station construction structure according to claim 8, wherein: a train running channel (11) is formed among the flat-top structural plate (18), the anti-floating structure II (132) and the shielding door installation space (23), and a pipeline bracket embedded part (12) is embedded in the arc side wall of the train running channel (11).
10. The three-circle shield construction subway station structure according to any one of claims 1-3, 5 and 9, characterized in that: the lower functional space is a water-technical pipeline channel (14) and/or a reserve channel (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120224536.7U CN214273648U (en) | 2021-01-27 | 2021-01-27 | Three-circle shield constructs construction subway station structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120224536.7U CN214273648U (en) | 2021-01-27 | 2021-01-27 | Three-circle shield constructs construction subway station structure |
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| CN214273648U true CN214273648U (en) | 2021-09-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969792A (en) * | 2021-11-08 | 2022-01-25 | 中铁工程装备集团有限公司 | Segment connection supporting system suitable for multi-circle shield and construction method thereof |
| CN114352326A (en) * | 2022-01-24 | 2022-04-15 | 中铁工程装备集团有限公司 | Assembled subway station and construction method thereof |
-
2021
- 2021-01-27 CN CN202120224536.7U patent/CN214273648U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969792A (en) * | 2021-11-08 | 2022-01-25 | 中铁工程装备集团有限公司 | Segment connection supporting system suitable for multi-circle shield and construction method thereof |
| CN113969792B (en) * | 2021-11-08 | 2024-01-26 | 中铁工程装备集团有限公司 | Segment connection support system suitable for multi-circle shield and construction method thereof |
| CN114352326A (en) * | 2022-01-24 | 2022-04-15 | 中铁工程装备集团有限公司 | Assembled subway station and construction method thereof |
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