CN218467617U - Shield method contact channel segment structure - Google Patents
Shield method contact channel segment structure Download PDFInfo
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- CN218467617U CN218467617U CN202222186894.0U CN202222186894U CN218467617U CN 218467617 U CN218467617 U CN 218467617U CN 202222186894 U CN202222186894 U CN 202222186894U CN 218467617 U CN218467617 U CN 218467617U
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- communication channel
- pipe piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a track traffic underground structure engineering field discloses a shield constructs method contact passageway section of jurisdiction structure, include contact passageway, reinforced concrete section of jurisdiction, steel-pipe piece and prevent fire door, the steel-pipe piece sets up at contact passageway tip and middle part and prevents fire door department, and wherein the receiving end steel-pipe piece sets up variable ring width ring according to interval length, all the other reinforced concrete sections of jurisdiction. The utility model discloses in, should be used for a specific size shield to construct method contact siphunculus piece structural style, the shield constructs construction safe and reliable, the construction precision is high, and economic benefits is good, and the construction progress is fast, and is little to the influence of all ring edge environment, satisfies the safe sparse requirement of interval main tunnel, sets up one at steel pipe piece department simultaneously two frames side by side and the first class fire door of reverse opening, satisfies relevant standard requirement.
Description
Technical Field
The utility model relates to a track traffic underground structure engineering field especially relates to a shield constructs method contact passageway section of jurisdiction structure.
Background
In recent years, rail transit is rapidly developed, and subways play a role in relieving passenger flow and traffic pressure in more and more cities as a traffic mode which is large in traffic volume, high in speed, less in pollution, convenient, comfortable, safe and rapid; meanwhile, the subway plays an important role in driving city development, optimizing city spatial layout, improving city functions and the like. The construction by the mechanical method is safe and reliable, the construction precision is high, the economic benefit is good, the construction progress is fast, the influence on the surrounding environment is small, and the construction of the contact channel by the mechanical method instead of the mining method is in a trend.
According to the safe evacuation requirement of the subway interval tunnel, two single-line interval tunnels are provided with contact channels, and the distance between two adjacent contact channels is not more than 600m. At present, the construction method of the connection channel mainly adopts a mining method, and comprises the steps of firstly freezing soil around the connection channel, then manually excavating, erecting temporary supports for primary support, and then pouring a secondary lining structure. The mine method construction connection channel has the defects of long construction period, high construction risk and large influence on the environment. Therefore, those skilled in the art provide a segment structure of a shield method communication channel to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the shield that proposes is construct and is connect passageway segment structure, should be used for a specific size shield to construct and connect siphunculus piece structural style, shield structure construction safe and reliable, construction precision is high, economic benefits is good, the construction progress is fast, little to the surrounding environment influence, satisfy the safe sparse requirement of interval main tunnel, set up the first class fire door that two frames just reverse open side by side at steel pipe piece department simultaneously, satisfy relevant standard requirement.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a shield constructs method contact passageway section of jurisdiction structure, includes contact passageway, reinforced concrete section of jurisdiction, steel-pipe piece and prevents fire door, the steel-pipe piece sets up prevents fire door department in contact passageway tip and middle part, and wherein the receiving end steel-pipe piece sets up variable ring width ring according to interval length, and the rest is the reinforced concrete section of jurisdiction.
Through the technical scheme, the position of the communication channel and the composition of the reinforced concrete segment are determined.
Furthermore, the communication channel is of a prefabricated assembly structure and consists of 1 capping block, 2 adjacent blocks and 2 standard blocks;
through the technical scheme, the composition structure of the communication channel is determined.
Furthermore, the inner diameter of the communication channel is 2850mm, the outer diameter of the communication channel is 3350mm, the ring width of the communication channel is 500mm, and the communication channel adopts a 5-block form and respectively comprises 2 standard rings, 2 adjacent rings and 1 capping ring;
through the technical scheme, the standard size of the communication channel is determined.
Furthermore, all the blocks of the reinforced concrete segments are connected by connecting bolts through reserved annular bolt holes, and each ring of segments is provided with 5 groups of annular bolts; the duct pieces are longitudinally connected through reserved longitudinal bolt holes by adopting connecting bolts, and each ring of duct pieces is provided with 10 groups of longitudinal bolts. The angle of the standard block lining ring is 72 degrees, the angle of the adjacent block lining ring is 78 degrees, and the angle of the capping block lining ring is 60 degrees;
through the technical scheme, the reinforced concrete segment connecting structure is determined.
Furthermore, the wedge-shaped amount of the reinforced concrete pipe piece is 9.6mm, and the wedge-shaped amount of the steel pipe piece is not set;
through the technical scheme, the specific size of the wedge-shaped amount of the reinforced concrete segment is determined.
Furthermore, a separate cavity filled micro-expansion concrete is arranged between the reinforced concrete segment and the steel pipe segment;
through the technical scheme, the separate cavities are used for filling the micro-expansion concrete to increase the overall stability.
The utility model discloses following beneficial effect has:
1. the utility model provides a shield constructs method contact passageway section of jurisdiction structure compares current contact passageway section of jurisdiction structure, and this contact passageway section of jurisdiction structure safe and reliable, construction precision are high, economic benefits is good, the construction progress is fast, and is little to the surrounding environment influence.
2. The utility model provides a shield constructs method contact passageway segment structure compares current contact passageway segment structure, should contact passageway segment structure and satisfy the safe sparse requirement of interval main tunnel, sets up one and stands by two frames and the first grade fire door of reverse opening in steel-pipe piece department simultaneously, satisfies relevant standard requirement.
Drawings
FIG. 1 is a plan view of a reinforced concrete segment structure of a shield method communication channel segment structure provided by the utility model;
fig. 2 is a plan view of a steel pipe segment structure of a shield method communication channel segment structure provided by the utility model;
fig. 3 is a schematic structural view of a connecting bolt of a shield method communication channel segment structure provided by the utility model;
fig. 4 is the utility model provides a shield constructs method contact passageway segment structure's connecting bolt's axonometric drawing.
Illustration of the drawings:
1. a reinforced concrete segment; 2. steel pipe sheets; 3. a standard block; 4. an abutting block; 5. sealing the top block; 6. A connecting bolt; 7. a circumferential bolt hole; 8. a longitudinal bolt hole; 9. a fire door; 10. filling micro-expansion concrete in the separate cavity; 11. and (4) a communication channel.
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 creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a shield constructs method contact passageway section of jurisdiction structure, includes contact passageway 11, reinforced concrete section of jurisdiction 1, steel-pipe segment 2 and prevents fire door 9, and steel-pipe segment 2 sets up prevents fire door 9 department in 11 tip of contact passageway and middle part, and wherein receiving end steel-pipe segment 2 sets up variable ring width ring according to interval length, and all the other are reinforced concrete section of jurisdiction 1, confirms contact passageway 11 position and reinforced concrete section of jurisdiction 1's constitution.
The connecting channel 11 is a prefabricated assembly structure and consists of 1 capping block 5, 2 adjacent blocks 4 and 2 standard blocks 3, the composition structure of the connecting channel 11 is determined, the inner diameter of the connecting channel 11 is 2850mm, the outer diameter of the connecting channel is 3350mm, the ring width is 500mm, 5 blocks are adopted and respectively comprise 2 standard rings, 2 adjacent rings and 1 capping ring, the standard size of the connecting channel 11 is determined, all blocks of the reinforced concrete segment 1 are connected by adopting connecting bolts 6 through reserved annular bolt holes 7, and 5 groups of annular bolts are arranged on each ring of segments; the duct pieces are longitudinally connected through reserved longitudinal bolt holes 8 by adopting connecting bolts 6, and 10 groups of longitudinal bolts are arranged on each ring of duct piece. The angle of the lining ring of the standard block 3 is 72 degrees, the angle of the lining ring of the adjacent block 4 is 78 degrees, the angle of the lining ring of the capping block 5 is 60 degrees, the connection structure of the reinforced concrete segment 1 is determined, the reinforced concrete segment 1 is set to be 9.6mm in wedge amount, the wedge amount is not set for the steel pipe piece 2, the specific size of the wedge amount of the reinforced concrete segment 1 is determined, a separation cavity filled micro-expansion concrete 10 is arranged between the reinforced concrete segment 1 and the steel pipe piece 2, and the whole stability is increased by utilizing the separation cavity filled micro-expansion concrete 10.
The working principle is as follows: the utility model discloses during the use, in the actual construction assembly process, the section of jurisdiction adopts the fissure of displacement to assemble, 10 departments assemble the position altogether, during the construction, at first according to the section of jurisdiction composing calculate the section of jurisdiction ring number, calculate section of jurisdiction quantity, confirm to prevent fire door 9 mounted position, and confirm steel pipe piece 2 positions, set up the fire door 9 that two frames were opened in the reverse direction of one side by side in 2 positions of steel pipe piece department, require to contact set up in the passageway 11 one and two frames and the first grade of opening prevents fire door 9 in the reverse direction, need adjust the chamber that separates in steel pipe piece 2 after the construction is accomplished and fill micro-expansive concrete 10.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a shield constructs method contact passageway section of jurisdiction structure, includes contact passageway (11), reinforced concrete section of jurisdiction (1), steel-pipe piece (2) and prevents fire door (9), its characterized in that: the steel pipe piece (2) is arranged at the end part of the communication channel (11) and the fireproof door (9) in the middle, wherein the steel pipe piece (2) at the receiving end is provided with a variable ring width ring according to the interval length, and the rest is the reinforced concrete pipe piece (1).
2. The shield method communication channel segment structure of claim 1, wherein: the communication channel (11) is of a prefabricated assembly structure and consists of 1 capping block (5), 2 adjacent blocks (4) and 2 standard blocks (3).
3. The shield method communication channel segment structure of claim 1, wherein: the inner diameter of the communication channel (11) is 2850mm, the outer diameter of the communication channel is 3350mm, the ring width of the communication channel is 500mm, and the communication channel adopts a 5-block form and respectively comprises 2 standard rings, 2 adjacent rings and 1 top sealing ring.
4. The shield method communication channel segment structure of claim 1, wherein: each block of the reinforced concrete segment (1) is connected by a connecting bolt (6) through a reserved annular bolt hole (7), and each segment is provided with 5 groups of annular bolts; the duct piece is connected through a reserved longitudinal bolt hole (8) in the longitudinal direction by adopting a connecting bolt (6), 10 groups of longitudinal bolts are arranged on each ring of duct piece, the lining ring angle of the standard block (3) is 72 degrees, the lining ring angle of the adjacent block (4) is 78 degrees, and the lining ring angle of the capping block (5) is 60 degrees.
5. The shield method communication channel segment structure of claim 1, wherein: the reinforced concrete pipe piece (1) is 9.6mm in wedge-shaped amount, and the steel pipe piece (2) is not provided with the wedge-shaped amount.
6. The shield method communication channel segment structure of claim 1, wherein: and a separate cavity filled micro-expansion concrete (10) is arranged between the reinforced concrete segment (1) and the steel pipe segment (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186894.0U CN218467617U (en) | 2022-08-19 | 2022-08-19 | Shield method contact channel segment structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186894.0U CN218467617U (en) | 2022-08-19 | 2022-08-19 | Shield method contact channel segment structure |
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| Publication Number | Publication Date |
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| CN218467617U true CN218467617U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222186894.0U Active CN218467617U (en) | 2022-08-19 | 2022-08-19 | Shield method contact channel segment structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128008A (en) * | 2023-10-26 | 2023-11-28 | 江苏快鹿地铁钢结构制造有限公司 | Quick assembly type steel pipe sheet for tunnel connecting channel |
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2022
- 2022-08-19 CN CN202222186894.0U patent/CN218467617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128008A (en) * | 2023-10-26 | 2023-11-28 | 江苏快鹿地铁钢结构制造有限公司 | Quick assembly type steel pipe sheet for tunnel connecting channel |
| CN117128008B (en) * | 2023-10-26 | 2024-02-23 | 江苏快鹿地铁钢结构制造有限公司 | Quick assembly type steel pipe sheet for tunnel connecting channel |
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