CN115949427B - Double-switching shield lining structure for subway wiring section and assembling method thereof - Google Patents
Double-switching shield lining structure for subway wiring section and assembling method thereof Download PDFInfo
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Abstract
The invention discloses a double-switching shield lining structure in a subway wiring interval and an assembling method thereof, wherein the outer contour shape of the lining structure consists of two semicircles, a top micro-arch and a bottom micro-arch, so that whether an intermediate wall is arranged is divided into a middle wall lining structure and a middle wall lining structure, the outer contours of the two structures are completely consistent, free combination assembling of the two lining structures can be realized by using one shield equipment construction, the double-switching shield lining structure is formed, a transition ring for connecting the two structures is arranged at the joint of the switching of the two structures, or an embedded steel plate is arranged on the surface of the middle wall lining structure to be welded and connected with the middle wall lining structure, and reliable connection of the two lining structures is realized. The invention greatly improves the utilization rate of the cross section of the double-line shield, reduces the engineering investment, has reasonable cross section stress, is suitable for various buried tunnel engineering, and promotes the mechanized development of underground engineering. The invention is suitable for various underground double-wire tunnels and has wide application range.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a subway wiring interval double-switching shield lining structure and an assembly method thereof.
Background
With the rapid development of new urban construction in China, urban rail transit has increasingly remarkable effects in optimizing urban space, relieving urban traffic congestion, protecting environment and the like, and has stepped into a high-speed development stage. The shield method is a preferred construction method for the section tunnel by virtue of the advantages of safe excavation, high mechanization and automation degree, low construction labor intensity, no need of precipitation and the like. In order to adapt to the narrow road red line problem shield tunnel, a traditional single-hole small shield is gradually developed to form a double-line shield, and the lining structure types of the double-line shield are fewer at present, such as a circular large shield, a double-circle shield, a rectangular-like shield and the like, but various problems exist in the section forms: the circular large shield section is shown in figure 1, the utilization rate of the circular large shield section is low, the influence on underground space, especially vertical space is large, the engineering quantity of the internal structure is large, and the whole manufacturing cost is high. The double-round shield section is shown in figure 2, and the line adaptability of the double-round shield section is poor, and the double-round shield section is not suitable for a transition line section because the partition wall is arranged in the middle of the double-round shield section; the inverted triangle soil body at the vault position of the double-circle shield method is unstable in the shield tunneling process, is easy to fall to form a cavity, and further causes larger earth surface subsidence, and the middle partition wall of the double-circle shield method is finally assembled, so that the assembling difficulty is high, the work efficiency is low, and the sea gull block is easy to break. The section of the quasi-rectangular shield is shown in figure 3, and the section of the quasi-rectangular shield is poor in stress and is not suitable for long-distance large-buried-depth tunnels. The invention of application publication number CN115341916A discloses a double-line tunnel arch circular shield lining structure, wherein a T-shaped block, a first adjacent block, two standard blocks, a herringbone block and a middle wall block are sequentially connected to form a first-line tunnel shield lining structure; the T-shaped block, the second adjacent block, the top sealing block, the two standard blocks, the herringbone block and the middle wall block are sequentially connected to form a second line tunnel shield lining structure; the first line tunnel shield lining structure and the second line tunnel shield lining structure share a T-shaped block, a middle wall block and a herringbone block which are sequentially arranged from top to bottom, the middle wall block is vertically arranged, the tops of the T-shaped block and the second adjacent block are connected with a double-sided wedge-shaped arch top block, and the tops of the T-shaped block and the second adjacent block are matched and attached with the arch top block, so that the first line tunnel shield lining structure, the second line tunnel shield lining structure and the arch top block form a double-line tunnel arch circular shield lining structure with the arch top being circular. The double-line shield lining type is difficult to be qualified for new subway construction under the conditions that the current track traffic burial depth is gradually increased, lines are crossed longitudinally and the deformation control requirements of the ground, the building structures and underground pipelines are gradually improved. In particular to an interval tunnel provided with auxiliary wiring such as a crossover line, a parking line or a foldback line, and the like, wherein the section of the traditional tunnel in a single form is not suitable for a combined section structure, or the section is not stressed or has no condition or is seriously wasted. The method has the problem that free combination and assembly of two lining structures, namely a middle wall and a non-middle wall, are difficult to finish by using one set of shield equipment. Therefore, research and development of a double-line shield lining structure form capable of freely switching the structure section according to the requirement are needed.
Disclosure of Invention
Aiming at the technical problems, the invention provides a double-switching shield lining structure of a subway wiring section and an assembling method thereof, enriches the double-line shield lining structure type and solves various problems existing in the existing double-line shield lining structure type.
The specific technical scheme is as follows:
the outer contour shape of the lining structure is composed of two semicircles, a top micro arch and a bottom micro arch, so that whether an intermediate wall is arranged is divided into a middle wall lining structure and a middle wall lining structure is judged, the outer contours of the two structures are completely consistent, free combination assembly of the two lining structures can be realized by using one set of shield equipment construction, a double-switching shield lining structure is formed, a transition ring for connecting the two structures is arranged at the joint of the two structure switching parts, or an embedded steel plate welded connection middle wall lining structure is arranged on the surface of the middle wall lining structure, and reliable connection of the two lining structures is realized;
the middle wall lining structure comprises a herringbone block, a first adjacent block, a second adjacent block, a third adjacent block, a fourth adjacent block, a standard block, a T-shaped block, a middle wall block, a top sealing block, an arch block and an inverted arch block;
the herringbone blocks, the first adjacent blocks, the standard blocks, the second adjacent blocks, the T-shaped blocks and the middle wall blocks are sequentially connected to form a first line tunnel shield lining structure;
the herringbone block, the middle wall block, the T-shaped block, the third adjacent block, the top sealing block, the standard block and the fourth adjacent block are sequentially connected to form a second line tunnel shield lining structure;
the first line tunnel shield lining structure and the second line tunnel shield lining structure share a T-shaped block, a middle wall block and a herringbone block which are sequentially arranged from top to bottom, the middle wall block is vertically arranged, the tops of the T-shaped block and a third adjacent block are connected with a vault block, the bottoms of the fourth adjacent block, the herringbone block and the first adjacent block are connected with an inverted arch block, and the first line tunnel shield lining structure, the second line tunnel shield lining structure, the vault block and the inverted arch block form a middle wall lining structure with a double-line tunnel; the arch blocks and the inverted arch blocks are mainly filled;
the wall lining structure comprises a wall-free inverted arch block, a first arch foot block, a second arch foot block, a wall-free standard block, an arch shoulder block, a first arch top block, a second arch top block and a wall-free capping block; the wall-free inverted arch block, the first arch foot block, the wall-free standard block, the arch shoulder block, the first arch top block, the second arch top block, the wall-free capping block, the wall-free standard block and the second arch foot block are sequentially connected to form a wall-free lining structure, and the wall-free inverted arch block is suitable for a wiring section.
Further, the transition ring comprises a wall-free inverted arch block, a first arch leg block, a second arch leg block, a wall-free standard block, an arch shoulder block, a first arch top block, a second arch top block, a wall-free capping block, an upper connecting block and a lower connecting block; the wall-free inverted arch block, the first arch foot block, the wall-free standard block, the arch shoulder block, the first arch top block, the second arch top block, the wall-free capping block, the wall-free standard block and the second arch foot block are sequentially connected to form an outer frame structure of a transition ring, the upper connecting block is connected with the first arch top block and the second arch top block, the lower connecting block is connected with the second arch foot block, the wall-free inverted arch block and the first arch foot block, and hand holes for installing longitudinal connecting bolts are formed in the upper connecting block, the lower connecting block and the outer frame structure, and the middle wall lining structure are connected through the longitudinal connecting bolts.
Further, the surface of the middle wall lining structure at the joint of the middle wall lining structure and the middle wall lining structure is provided with an embedded steel plate, and the specific position of the embedded steel plate is the surface of the third adjacent block, the arch block, the T-shaped block, the second adjacent block, the first adjacent block, the upward arch block, the herringbone block and the fourth adjacent block.
Further, the middle wall lining structure is made of prefabricated reinforced concrete pipe sheets, hand holes are formed in the pipe sheets, circular joints and longitudinal joints of the middle wall lining structure are connected through bent bolts or straight bolts, the vault blocks are of prefabricated concrete structures, and the vault blocks are inserted in front after the pipe sheets are assembled into rings, and can also be in a synchronous grouting mode.
Further, the middle wall lining-free structure is made of prefabricated steel pipe sheets or composite pipe sheets, hand holes are formed in the pipe sheets, and circular seams and longitudinal seams of the middle wall lining-free structure are connected through straight bolts.
Further, the adjacent middle wall lining structures adopt a first ring and a second ring to realize staggered joint assembly.
Further, the adjacent middle wall lining-free structures adopt a first ring and a second ring to realize staggered joint assembly.
The invention also provides an assembling method of the subway wiring interval double-switching shield lining structure, which comprises the following steps:
splicing of middle wall lining structures: the method comprises the steps of arched block pitching, herringbone block pitching, symmetrically assembling a first adjacent joint block and a fourth adjacent joint block pitching, symmetrically assembling 2 standard blocks, second adjacent joint blocks, T-shaped blocks, third adjacent joint blocks, middle wall blocks, capping blocks, and assembling arched blocks or synchronous grouting;
splicing of a wall lining structure without a middle wall: wall-free inverted arch block, symmetrically assembling a first arch leg block, symmetrically assembling a second arch leg block, symmetrically assembling 2 wall-free standard blocks, arch shoulder blocks, first arch top blocks, second arch top blocks and wall-free capping blocks.
Compared with the prior art, the invention has the following beneficial effects:
the double-switching shield lining structure for the subway wiring section provided by the invention consists of two semicircles, a top micro-arch and a bottom micro-arch, has reasonable section stress and greatly reduced structure thickness, can be suitable for various buried depths and various line conditions, and has high section utilization rate and strong engineering applicability. The double-line tunnel arch round shield structure lining of the switching section relates to a lining structure with a middle wall and a lining structure without the middle wall, the lining structure with the middle wall is suitable for a positive section of a section, the structural internal force is small, various burial depths can be met by adopting a reinforced concrete structure, the lining structure without the middle wall is suitable for a wiring section, the structural internal force is large, and a steel pipe sheet or a composite pipe sheet is adopted. The two lining structures can be switched and used for various line conditions.
The arrangement of the micro arch at the top of the middle wall lining structure avoids forming a vault inverted triangle soil body, and the earth surface subsidence is small; the double-line tunnel arch circular shield structure with the section being freely switched is provided with the capping block, and the capping block is assembled at last, so that the assembly work efficiency is improved, and the problem that the arch crown duct piece is broken due to the fact that the middle wall is assembled is avoided.
The outer contours of the two lining structures with and without the middle wall are completely consistent, and the two lining structures can be freely combined and assembled by one set of shield equipment to form the double-switching shield lining structure.
The invention greatly improves the utilization rate of the cross section of the double-line shield, reduces the engineering investment, has reasonable cross section stress, is suitable for various buried tunnel engineering, and promotes the mechanized development of underground engineering. The invention is suitable for various underground double-wire tunnels and has wide application range.
The double-switching shield lining structure of the subway wiring interval and the assembling method are used as a set of brand new shield structure type, solve various problems existing in the existing double-line shield lining structure type, and provide a solid step for the construction of the underground engineering machinery method.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a conventional circular large shield lining structure;
FIG. 2 is a cross-sectional view of a prior art double round shield lining structure;
FIG. 3 is a cross-sectional view of a conventional rectangular-like shield lining structure;
FIG. 4 is a view showing a construction of a middle wall lining according to embodiment 1 of the present invention;
FIG. 5 is a view showing a construction of a no-middle wall lining according to example 1 of the present invention;
FIG. 6 is a transition ring model diagram of example 1 of the present invention;
FIG. 7 is a diagram showing the connection of two lining structures according to embodiment 1 of the present invention;
FIG. 8 is a block diagram showing the construction sequence of a wall lining with middle in accordance with example 2 of the present invention;
fig. 9 is a block diagram showing the assembly sequence of the structure without the middle wall lining according to embodiment 2 of the present invention.
Reference numerals illustrate:
1. a herringbone block; 2. a first neighbor block; 3. a second abutment; 4. a third abutment; 5. a fourth neighbor block; 6. a standard block; 7. a T-shaped block; 8. a middle wall block; 9. a capping block; 10. an arch block; 11. a camber block;
12. a wall-free inverted arch block; 13. the first arch bar block; 14. the second arch bar block; 15. wall-free standard blocks; 16. a shoulder arch block; 17. a first crown block; 18. a second crown block; 19. wall-free capping blocks;
20. an upper connecting block; 21. a lower connecting block; 22. and (5) embedding a steel plate.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments, so that those skilled in the art can better understand the technical solutions of the present invention.
The embodiment provides a subway wiring interval double-switching shield lining structure and an assembling method thereof, as shown in fig. 4-9, wherein the method specifically comprises the following steps:
example 1
As shown in fig. 4-7, the outer contour shape of the lining structure is composed of two semicircles, a top micro arch and a bottom micro arch, so that whether an intermediate wall is arranged is divided into a middle wall lining structure and a middle wall lining structure, the outer contours of the two structures are completely consistent, free combination assembly of the two lining structures can be realized by using one set of shield equipment construction, the double-switching shield lining structure is formed, a transition ring for connecting the two structures is arranged at the joint of the switching of the two structures, or an embedded steel plate 22 is arranged on the surface of the middle wall lining structure for welding connection, and reliable connection of the two lining structures is realized;
as shown in fig. 4, the middle wall lining structure comprises a herringbone block 1, a first adjacent block 2, a second adjacent block 3, a third adjacent block 4, a fourth adjacent block 5, a standard block 6, a T-shaped block 7, a middle wall block 8, a capping block 9, a vault block 10 and an inverted vault block 11;
the herringbone block 1, the first adjacent block 2, the standard block 6, the second adjacent block 3, the T-shaped block 7 and the middle wall block 8 are sequentially connected to form a first line tunnel shield lining structure;
the herringbone block 1, the middle wall block 8, the T-shaped block 7, the third adjacent block 4, the capping block 9, the standard block 6 and the fourth adjacent block 5 are sequentially connected to form a second line tunnel shield lining structure;
the first line tunnel shield lining structure and the second line tunnel shield lining structure share a T-shaped block 7, a middle wall block 8 and a herringbone block 1 which are sequentially arranged from top to bottom, the middle wall block 8 is vertically arranged, the tops of the T-shaped block 7 and a third adjacent block 4 are connected with a vault block 10, the bottoms of the fourth adjacent block 5, the herringbone block 1 and the first adjacent block 2 are connected with an inverted arch block 11, and the first line tunnel shield lining structure, the second line tunnel shield lining structure, the vault block 10 and the inverted arch block 11 form a middle wall lining structure with a double-line tunnel; the arch blocks 10 and the inverted arch blocks 11 mainly have filling effect;
as shown in fig. 5, the no-middle wall lining structure comprises a no-wall inverted arch block 12, a first arch foot block 13, a second arch foot block 14, a no-wall standard block 15, a shoulder block 16, a first arch top block 17, a second arch top block 18 and a no-wall capping block 19; the wall-free inverted arch block 12, the first arch foot block 13, the wall-free standard block 15, the arch shoulder block 16, the first arch top block 17, the second arch top block 18, the wall-free capping block 19, the wall-free standard block 15 and the second arch foot block 14 are sequentially connected to form a wall-free lining structure, and the wall-free inverted arch block is suitable for a wiring section.
Further, as shown in fig. 6, the transition ring includes a wall-free inverted arch block 12, a first arch leg block 13, a second arch leg block 14, a wall-free standard block 15, a shoulder block 16, a first arch block 17, a second arch block 18, a wall-free capping block 19, an upper connection block 20 and a lower connection block 21; the wall-free inverted arch block 12, the first arch foot block 13, the wall-free standard block 15, the arch shoulder block 16, the first arch top block 17, the second arch top block 18, the wall-free capping block 19, the wall-free standard block 15 and the second arch foot block 14 are sequentially connected to form an outer frame structure of a transition ring, the upper connecting block 20 is connected with the first arch top block 17 and the second arch top block 18, the lower connecting block 21 is connected with the second arch foot block 14, the wall-free inverted arch block 12 and the first arch foot block 13, hand holes for installing longitudinal connecting bolts are formed in the upper connecting block 20, the lower connecting block 21 and the outer frame structure, and a middle wall lining structure are connected through the longitudinal connecting bolts.
Further, as shown in fig. 7, the surface of the middle wall lining structure at the joint of the middle wall lining structure and the non-middle wall lining structure is provided with a pre-buried steel plate 22, the specific position is shown by the section line in fig. 7, and the specific position of the pre-buried steel plate 22 is the surface of the third adjacent block 4, the vault block 10, the T-shaped block 7, the second adjacent block 3, the first adjacent block 2, the elevation block 11, the herringbone block 1 and the fourth adjacent block 5.
Further, the middle wall lining structure is made of prefabricated reinforced concrete pipe sheets, hand holes are formed in the pipe sheets, circular joints and longitudinal joints of the middle wall lining structure are connected through bent bolts or straight bolts, the vault blocks 10 are of prefabricated concrete structures, and the pipe sheets are inserted in front after being assembled into rings, and a synchronous grouting mode can be adopted.
Further, the middle wall lining-free structure is made of prefabricated steel pipe sheets or composite pipe sheets, hand holes are formed in the pipe sheets, and circular seams and longitudinal seams of the middle wall lining-free structure are connected through straight bolts.
Further, the adjacent middle wall lining structures adopt a first ring and a second ring to realize staggered joint assembly.
Further, the adjacent middle wall lining-free structures adopt a first ring and a second ring to realize staggered joint assembly.
Example 2
The invention also provides an assembling method of the subway wiring interval double-switching shield lining structure, which comprises the following steps:
splicing of middle wall lining structures: as shown in fig. 8, the overhead arch block 11- & gt the herringbone block 1- & gt the symmetrical assembly of the first adjacent block 2 and the fourth adjacent block 5- & gt the symmetrical assembly of the 2 standard blocks 6- & gt the second adjacent block 3- & gt the T-shaped block 7- & gt the third adjacent block 4- & gt the middle wall block 8- & gt the capping block 9- & gt the assembly of the crown block 10 or synchronous grouting;
splicing of a wall lining structure without a middle wall: as shown in fig. 9, the non-wall inverted arch block 12, the first arch leg block 13 and the second arch leg block 14 are symmetrically assembled, the 2 non-wall standard blocks 15 are symmetrically assembled, the arch shoulder block 16, the first arch top block 17 and the second arch top block 18 and the non-wall sealing top block 19.
The joint of the middle wall lining structure and the non-middle wall lining structure is provided with a transition ring, and the transition ring is reliably connected with the lining structures on two sides through longitudinal connecting bolts. Or the joint of the two lining structures is provided with a vault of the middle wall lining structure and an embedded steel plate 22 of the inverted arch pipe piece, and the non-middle wall lining structure is effectively welded, so that the reliable connection of the two lining structures is realized.
The outer contours of the two lining structures with and without the middle wall are completely consistent, and the two lining structures can be freely combined and assembled by one set of shield equipment to form the double-switching shield lining structure.
The embodiments of the present invention have been described in detail by way of examples, but the descriptions are merely exemplary of the embodiments of the present invention and are not to be construed as limiting the scope of the embodiments of the present invention. The protection scope of the embodiments of the invention is defined by the claims. In the technical scheme of the embodiment of the invention, or under the inspired by those skilled in the art, similar technical schemes are designed within the spirit and the protection scope of the embodiment of the invention, or equivalent changes and improvements made to the application scope are still included in the patent coverage protection scope of the embodiment of the invention.
Claims (6)
1. The double-switching shield lining structure for the subway wiring section is characterized by comprising a middle wall lining structure and a middle wall lining-free structure, wherein the outer contours of the two structures are completely consistent, and a transition ring for connecting the two structures is arranged at the switching joint of the two structures;
the middle wall lining structure comprises a herringbone block (1), a first adjacent block (2), a second adjacent block (3), a third adjacent block (4), a fourth adjacent block (5), a standard block (6), a T-shaped block (7), a middle wall block (8), a capping block (9), an arch top block (10) and an inverted arch block (11);
the herringbone blocks (1), the first adjacent blocks (2), the standard blocks (6), the second adjacent blocks (3), the T-shaped blocks (7) and the middle wall blocks (8) are sequentially connected to form a first line tunnel shield lining structure;
the herringbone blocks (1), the middle wall blocks (8), the T-shaped blocks (7), the third adjacent blocks (4), the capping blocks (9), the standard blocks (6) and the fourth adjacent blocks (5) are sequentially connected to form a second line tunnel shield lining structure;
the first line tunnel shield lining structure and the second line tunnel shield lining structure share a T-shaped block (7), a middle wall block (8) and a herringbone block (1) which are sequentially arranged from top to bottom, the middle wall block (8) is vertically arranged, the tops of the T-shaped block (7) and a third adjacent block (4) are connected with an arch block (10), the bottoms of the fourth adjacent block (5), the herringbone block (1) and the first adjacent block (2) are connected with an inverted arch block (11), and the first line tunnel shield lining structure, the second line tunnel shield lining structure, the arch block (10) and the inverted arch block (11) form a middle lining structure with a double-line tunnel;
the wall lining structure comprises a wall-free inverted arch block (12), a first arch foot block (13), a second arch foot block (14), a wall-free standard block (15), a shoulder block (16), a first arch top block (17), a second arch top block (18) and a wall-free capping block (19); the wall-free inverted arch block (12), the first arch foot block (13), the wall-free standard block (15), the arch shoulder block (16), the first arch top block (17), the second arch top block (18), the wall-free capping block (19), the wall-free standard block (15) and the second arch foot block (14) are sequentially connected to form a middle-wall-free lining structure;
the transition ring comprises a wall-free inverted arch block (12), a first arch leg block (13), a second arch leg block (14), a wall-free standard block (15), a shoulder block (16), a first arch top block (17), a second arch top block (18), a wall-free capping block (19), an upper connecting block (20) and a lower connecting block (21); the wall-free inverted arch block (12), the first arch foot block (13), the wall-free standard block (15), the arch shoulder block (16), the first arch foot block (17), the second arch foot block (18), the wall-free capping block (19), the wall-free standard block (15) and the second arch foot block (14) are sequentially connected to form an outer frame structure of a transition ring, the upper connecting block (20) is connected with the first arch foot block (17) and the second arch foot block (18), the lower connecting block (21) is connected with the second arch foot block (14), the wall-free inverted arch block (12) and the first arch foot block (13), and hand holes for installing longitudinal connecting bolts are formed in the upper connecting block (20), the lower connecting block (21) and the outer frame structure, and the middle wall lining structure and the middle wall-free lining structure are connected through the longitudinal connecting bolts.
2. The double-switching shield lining structure for the subway wiring section according to claim 1, wherein the middle wall lining structure is made of prefabricated reinforced concrete pipe sheets, hand holes are formed in the pipe sheets, circular joints and longitudinal joints of the middle wall lining structure are connected through bent bolts or straight bolts, the arch top blocks (10) are of prefabricated concrete structures, and the prefabricated concrete structure is inserted in front of the pipe sheets after the pipe sheets are assembled into a ring, and a synchronous grouting mode can be adopted.
3. The double-switching shield lining structure for the subway wiring section according to claim 1, wherein the middle-wall-free lining structure is made of prefabricated steel pipe sheets or composite pipe sheets, hand holes are formed in the pipe sheets, and circular seams and longitudinal seams of the middle-wall-free lining structure are connected through straight bolts.
4. The double-switching shield lining structure for the subway wiring section according to claim 1, wherein adjacent middle wall lining structures adopt a first ring and a second ring to realize staggered joint assembly.
5. The double-switching shield lining structure for the subway wiring section according to claim 1, wherein adjacent non-middle wall lining structures adopt a first ring and a second ring to realize staggered joint assembly.
6. A method for assembling a double-switching shield lining structure for a subway line section according to any one of claims 1 to 5, comprising the steps of:
splicing of middle wall lining structures: the method comprises the steps of (1) arched blocks, (11) herringbone blocks, (1) symmetrically spliced first adjacent blocks (2) and fourth adjacent blocks (5), symmetrically spliced 2 standard blocks (6), second adjacent blocks (3), T-shaped blocks (7), third adjacent blocks (4), middle wall blocks (8), capping blocks (9), spliced arched roof blocks (10) or synchronous grouting;
splicing of a wall lining structure without a middle wall: the wall-free inverted arch block (12), the first arch leg block (13) and the second arch leg block (14) are symmetrically assembled, the 2 wall-free standard blocks (15), the arch shoulder block (16), the first arch top block (17) and the second arch top block (18) are symmetrically assembled, and the wall-free capping block (19) are arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310212814.0A CN115949427B (en) | 2023-03-08 | 2023-03-08 | Double-switching shield lining structure for subway wiring section and assembling method thereof |
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| CN202310212814.0A CN115949427B (en) | 2023-03-08 | 2023-03-08 | Double-switching shield lining structure for subway wiring section and assembling method thereof |
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| CN115949427B true CN115949427B (en) | 2023-05-16 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876255B (en) * | 2009-11-24 | 2013-06-12 | 上海市城市建设设计研究院 | Middle partition wall structure for tunnel |
| CN102094649B (en) * | 2011-02-17 | 2012-10-24 | 乐贵平 | Method for constructing underground space by shield-shallow buried covered excavation composite method |
| CN103195440A (en) * | 2013-04-03 | 2013-07-10 | 中铁隧道勘测设计院有限公司 | Three-layer-structure subway double-line single-pipe circular tunnel |
| CN204492835U (en) * | 2015-03-25 | 2015-07-22 | 中铁工程装备集团有限公司 | Mid-board Rectangular Tunnel pipe-plate lining |
| CN204941551U (en) * | 2015-09-23 | 2016-01-06 | 中国地质大学（武汉） | A kind of subway station of Curve Pipe Jacking supporting and protection structure enlarging shield-tunneling construction |
| CN106640122A (en) * | 2016-07-11 | 2017-05-10 | 铁道第三勘察设计院集团有限公司 | Multi-centered round shield tunnel lining |
| CN206000544U (en) * | 2016-09-19 | 2017-03-08 | 上海隧道工程有限公司 | The shield tunnel precast lining structure of the arched section of one yeast inoculation wall |
| CN107435544A (en) * | 2017-05-25 | 2017-12-05 | 中铁十四局集团有限公司 | A kind of construction method of one-tunnel two-tracks composite lining shield tunnel internal structure |
| CN110017156A (en) * | 2019-04-11 | 2019-07-16 | 宁波大学 | Steel pipe chip architecture and its construction method suitable for class rectangle shield tunnel |
| CN211448708U (en) * | 2019-11-29 | 2020-09-08 | 中铁第四勘察设计院集团有限公司 | Quasi-elliptical shield tunnel lining structure |
| CN112664206B (en) * | 2020-12-29 | 2023-04-07 | 中建五局土木工程有限公司 | Milling and excavating method for soft and weak cladding shallow-buried large-section tunnel |
| CN114810125A (en) * | 2022-03-14 | 2022-07-29 | 中交第二航务工程局有限公司 | Universal structure of quasi-rectangular shield pipe gallery and assembling method |
| CN115341916B (en) * | 2022-10-20 | 2022-12-13 | 中铁第六勘察设计院集团有限公司 | Double-line tunnel arch circular shield lining structure |
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2023
- 2023-03-08 CN CN202310212814.0A patent/CN115949427B/en active Active
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