CN110630278A - Rectangular shield tunnel lining ring and rectangular shield tunnel lining structure - Google Patents
Rectangular shield tunnel lining ring and rectangular shield tunnel lining structure Download PDFInfo
- Publication number
- CN110630278A CN110630278A CN201911035776.6A CN201911035776A CN110630278A CN 110630278 A CN110630278 A CN 110630278A CN 201911035776 A CN201911035776 A CN 201911035776A CN 110630278 A CN110630278 A CN 110630278A
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- China
- Prior art keywords
- shield tunnel
- lining
- rectangular shield
- lining ring
- tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a rectangular shield tunnel lining ring, which comprises two capping pipe pieces and a plurality of standard pipe pieces, wherein one longitudinal joint is longitudinally parallel to a tunnel at a corresponding position in two longitudinal joints corresponding to each standard pipe piece, and an included angle is formed between the other longitudinal joint and the tunnel at the corresponding position in the longitudinal direction; the capping segments are wedged in opposite directions with at least one standard segment therebetween. In addition, the rectangular shield tunnel lining structure comprises a plurality of the rectangular shield tunnel lining rings. The lining ring adopts two capping blocks, the standard pipe pieces are trapezoidal pipe pieces, the structure is simple, the lining ring can be well suitable for different sections of the rectangular shield tunnel, and the plane curve of the rectangular shield tunnel can be fitted only by adopting one lining ring. The lining structure of the rectangular shield tunnel only adopts one lining ring, so that the segment is simple to manufacture and convenient to construct and manage; the rectangular shield tunnel lining structure reduces the number of cross seams and obviously improves the waterproof performance of the tunnel.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering, and particularly relates to a rectangular shield tunnel lining ring and a rectangular shield tunnel lining structure adopting the same.
Background
The rectangular shield tunnel structure generally adopts steel pipe pieces or steel-concrete combined pipe pieces, and joints are connected by straight bolts. As shown in fig. 1, the existing rectangular shield tunnel is generally short in length and is located on a straight line, so that a straight lining ring 201 is generally adopted and is assembled through a seam. As shown in fig. 2, when the plane or the vertical section of the tunnel has a straight line and a curve, the prior art mainly adopts two or more lining rings, namely a straight line 201, a wedge ring 202 (which can be a left-turning wedge ring and a right-turning wedge ring), and through-seam splicing; for fitting the tunnel plane curve, a mode of continuously arranging the wedge rings 202 or a mode of arranging the wedge rings 202+ the straight line rings 201 in a combined mode is adopted.
The main advantages of this approach are: the assembly position of each ring of pipe piece is fixed, and the construction is convenient.
The disadvantages of this approach are:
1) a plurality of lining rings are needed, so that the manufacturing difficulty is increased;
2) all the segments are spliced through the seams, so that the waterproof performance is poor;
3) because the error of the tunneling direction in construction is inevitable, the required specific ring number of the linear ring 201 and the wedge ring 202 is difficult to know in advance, and difficulty is brought to the construction planning.
Disclosure of Invention
The invention relates to a rectangular shield tunnel lining ring and a rectangular shield tunnel lining structure adopting the same, which can at least solve part of defects in the prior art.
The invention relates to a rectangular shield tunnel lining ring, which comprises two capping pipe pieces and a plurality of standard pipe pieces, wherein one longitudinal joint is longitudinally parallel to a tunnel at a corresponding position in two longitudinal joints corresponding to each standard pipe piece, and an included angle is formed between the other longitudinal joint and the longitudinal direction of the tunnel at the corresponding position; the two capped duct pieces are wedged in opposite directions with at least one of the standard duct pieces therebetween.
As an example, the segments are mirror-assembled with respect to the vertical plane of symmetry of the lining ring.
As one embodiment, two capping segments are oppositely arranged up and down, and each capping segment is symmetrical relative to the vertical symmetrical plane of the lining ring.
As one embodiment, the standard pipe piece is even number.
The embodiment of the invention also relates to a rectangular shield tunnel lining structure which comprises a plurality of the rectangular shield tunnel lining rings, wherein the lining rings are sequentially spliced along the longitudinal direction of a tunnel.
In the tunnel straight line segment, the capping segments of two adjacent rectangular shield tunnel lining rings are correspondingly abutted one by one, and the wedging directions of the two abutting capping segments are opposite.
As one embodiment, a plurality of equidirectional lining rings are sequentially arranged on a tunnel curve section, the capping segments of two adjacent equidirectional lining rings are correspondingly abutted one by one, and the wedging directions of the two abutted capping segments are the same.
As one embodiment, a reverse lining ring is further arranged on the tunnel curve section, each equidirectional lining ring and the reverse lining ring are sequentially assembled, the reverse lining ring and each capping segment of the adjacent equidirectional lining ring are correspondingly abutted one by one, and the wedging directions of the two abutted capping segments are opposite.
The invention has at least the following beneficial effects:
the lining ring of the rectangular shield tunnel provided by the invention adopts two capping blocks, and the standard pipe pieces are trapezoidal pipe pieces, so that the lining ring is simple in structure and can be better suitable for different sections of the rectangular shield tunnel, and the plane curve of the rectangular shield tunnel can be fitted by only adopting one lining ring.
The lining structure of the rectangular shield tunnel provided by the invention only adopts one lining ring, the segment is simple to manufacture, and the construction and management are convenient. The rectangular shield tunnel lining structure provided by the invention reduces the number of cross seams and obviously improves the waterproof performance of the tunnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an assembly structure of a linear lining ring in a conventional rectangular shield tunnel provided in the background art;
fig. 2 is a schematic diagram of an assembly structure of a wedge-shaped lining ring in a conventional rectangular shield tunnel provided in the background art;
FIG. 3 is a schematic view of the expanded configuration of FIG. 2;
FIG. 4 is a schematic structural diagram of a lining ring of a rectangular shield tunnel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a lining structure of a straight segment of a rectangular shield tunnel according to an embodiment of the present invention;
FIG. 6 is a schematic view of the expanded configuration of FIG. 5;
fig. 7 is a schematic diagram of assembling equidirectional lining rings of a curved segment of a rectangular shield tunnel according to an embodiment of the present invention;
FIG. 8 is a schematic view of the expanded configuration of FIG. 7;
fig. 9 is an assembly schematic diagram of a homodromous lining ring and a reverse lining ring of a curved segment of a rectangular shield tunnel according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment of the present invention provides a rectangular shield tunnel lining ring 1, which has a rectangular or substantially rectangular cross section, and which still has a certain curvature (for example, four corners are rounded, and a dome bottom have a certain curvature, etc.) conventionally, which is a conventional knowledge in the art, and the protection scope is not limited by the literal geometric meaning.
As shown in fig. 4-9, the lining ring 1 comprises two capped pipe pieces 11 and a plurality of standard pipe pieces 12, wherein each standard pipe piece 12 corresponds to two longitudinal seams 14, one longitudinal seam 14 is parallel to the longitudinal direction of the tunnel/the longitudinal axis of the tunnel at the corresponding position, and the other longitudinal seam 14 forms an included angle with the longitudinal direction of the tunnel/the longitudinal axis of the tunnel at the corresponding position; the two capped duct pieces 11 are wedged in opposite directions with at least one of the standard duct pieces 12 in between.
It will be appreciated that the capping segment 11 described above still employs a conventional wedge-shaped block structure, which may have a certain amount of curvature/camber, and which is preferably shaped as an isosceles trapezoid when expanded into a plane; for the wedging direction described above, i.e. the insertion direction in the longitudinal direction of the tunnel.
The modular tube sheet 12 may be configured accordingly to the location of use, for example, for a modular tube sheet 12 at a corner, it may be of generally L-shaped configuration, and may have a curvature that is preferably right trapezoidal when expanded into a flat configuration, with parallel top and bottom edges corresponding to the two circumferential seam edge portions thereof, and right side and oblique edges corresponding to the two longitudinal seam 14 edge portions thereof.
Based on the structure of the lining ring 1, the mirror image assembly of the lining ring 1 of the rectangular shield tunnel can be realized, namely, each segment is assembled relative to the mirror image of the vertical symmetrical plane of the lining ring 1, and the segment assembly structures on two sides of the vertical symmetrical plane of the lining ring 1 are the same. Preferably, the capping segments 11 are wedged into the arch top or the arch bottom, and because the two capping segments 11 are controlled to be not adjacent, the two capping segments 11 are preferably arranged oppositely up and down, and each capping segment 11 is symmetrical relative to the vertical symmetrical plane of the lining ring 1.
In fig. 4 is shown a preferred embodiment of the application of a 6-segment lining ring 1, i.e. 4 standard segments 12; but not limited to the block-type manner, the required ring shape can be assembled and fitted, and an even number of standard pipe pieces 12 is preferred.
Example two
Referring to fig. 5 to 9, an embodiment of the present invention provides a rectangular shield tunnel lining structure, including a plurality of rectangular shield tunnel lining rings 1 provided in the first embodiment, where the lining rings 1 are sequentially spliced along a longitudinal direction of a tunnel.
Based on the structure of the lining ring 1 of the rectangular shield tunnel provided by the first embodiment, the rotation mode of the lining ring is changed from conventional rotation around the longitudinal axis of the tunnel to rotation around the vertical axis of the tunnel, and the lining ring is assembled through seams.
Thus, the rectangular shield tunnel lining structure can be fitted with a tunnel plane curve only by adopting one wedge ring (namely, the rectangular shield tunnel lining ring 1 adopts a certain wedge amount), and specifically:
(1) as shown in fig. 5 and 6, in the straight tunnel segment, the capping segments 11 of two adjacent rectangular shield tunnel lining rings 1 are correspondingly abutted one by one, and the wedging directions of the two abutting capping segments 11 are opposite. I.e. two adjacent lining rings 1 are rotated 180 deg. around the vertical axis of the tunnel to fit the straight longitudinal axis of the tunnel.
Obviously, when the rectangular shield tunnel is a full straight tunnel, the lining ring 1 can also eliminate the setting of the wedge amount.
(2) For the curve segment:
as shown in fig. 7 and 8, when the radius of the curve matches the wedge amount of the lining ring 1, all the wedge rings can be assembled in the same direction, namely: a plurality of equidirectional lining rings 101 are sequentially arranged at a tunnel curve section, and the capping segments 11 of two adjacent equidirectional lining rings 101 are correspondingly butted one by one, and the wedging directions of the two butted capping segments 11 are the same.
As shown in fig. 9 (the development is omitted), when the radius of the curve does not match the wedge amount of the lining ring 1, a plurality of same-direction wedge rings +1 opposite-direction wedge rings rotating 180 degrees around the vertical axis of the tunnel can be adopted for combination assembly, namely: in the tunnel curve section, besides a plurality of equidirectional lining rings 101, a reverse lining ring 102 is arranged, each equidirectional lining ring 101 is sequentially assembled with the reverse lining ring 102, and the reverse lining ring 102 is in one-to-one correspondence with each capping segment 11 of the adjacent equidirectional lining ring 101 to be abutted and the wedging directions of the two capping segments 11 to be abutted are opposite.
The construction process of the rectangular shield tunnel lining structure is approximately as follows:
(1) determining the ring width and wedge amount of the lining ring 1 according to the plane (or longitudinal section) design parameters of the rectangular shield tunnel;
(2) dividing lining ring blocks and numbering 13 according to the structural section of the rectangular shield tunnel;
(3) determining the positions of the two capping segments 11, wherein the two capping segments 11 are not adjacent;
(4) the shape of the remaining segments (i.e., the standard segment 12) except for the capped segment 11 is determined.
(5) Manufacturing a duct piece;
(6) assembling pipe pieces:
for a linear section, two lining rings 1 are used as a group, the two lining rings 1 in the same group are used, wherein one lining ring 1 rotates 180 degrees around a vertical axis of a tunnel relative to the other lining ring 1 so as to fit a linear longitudinal axis of the tunnel;
for a curve section, when the curve radius is matched with the wedge-shaped amount of the lining ring 1, all the lining rings are assembled by adopting the same-direction lining ring 101; when the curve radius is not matched with the wedge amount, a plurality of equidirectional lining rings 101+1 reverse lining rings 102 which rotate 180 degrees around the vertical axis of the tunnel are assembled in a combined mode to fit the curve longitudinal axis of the tunnel;
in each lining ring 1, two capping segments 11 determine that one of the capping segments 11 is finally assembled to cap according to the arrangement mode of the lining ring 1, and the other capping segment is used as the first assembly block of the lining ring 1.
The lining structure of the rectangular shield tunnel provided by the embodiment only adopts the lining ring 1, the segment is simple to manufacture, and the construction and management are convenient. Except a small number of cross-shaped seams 15 (mainly appearing in a spliced structure of which one lining ring 1 rotates 180 degrees around a vertical axis of the tunnel relative to the other lining ring 1), the other seams are T-shaped seams 16, so that the waterproof performance of the tunnel is obviously improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a rectangle shield tunnel lining ring which characterized in that: comprising two capped duct pieces and a plurality of standard duct pieces,
one of the two longitudinal seams corresponding to each standard duct piece is longitudinally parallel to the tunnel at the corresponding position, and the other longitudinal seam forms an included angle with the tunnel at the corresponding position;
the two capped duct pieces are wedged in opposite directions with at least one of the standard duct pieces therebetween.
2. The rectangular shield tunnel lining ring of claim 1 wherein: each segment is mirror-assembled relative to the vertical symmetry plane of the lining ring.
3. The rectangular shield tunnel lining ring of claim 2, wherein: the two capping segments are oppositely arranged up and down, and each capping segment is symmetrical relative to the vertical symmetrical plane of the lining ring.
4. The rectangular shield tunnel lining ring of claim 1 wherein: the number of the standard pipe pieces is even.
5. The utility model provides a rectangle shield tunnel lining structure which characterized in that: comprising a plurality of rectangular shield tunnel lining rings according to any one of claims 1 to 4, each lining ring being spliced in series in the longitudinal direction of the tunnel.
6. The rectangular shield tunnel lining structure of claim 5, wherein: in a tunnel straight line segment, the capping segments of two adjacent rectangular shield tunnel lining rings are correspondingly abutted one by one, and the wedging directions of the two abutting capping segments are opposite.
7. The rectangular shield tunnel lining structure of claim 5, wherein: a plurality of equidirectional lining rings are sequentially arranged at a tunnel curve section, and the wedging directions of the two abutting capping segments of two adjacent equidirectional lining rings are abutted in a one-to-one correspondence manner and are the same.
8. The rectangular shield tunnel lining structure of claim 7, wherein: a reverse lining ring is further arranged on the tunnel curve section, each equidirectional lining ring is sequentially spliced with the reverse lining ring, and the wedging directions of the two opposite capping segments of the reverse lining ring and the adjacent equidirectional lining ring are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035776.6A CN110630278A (en) | 2019-10-29 | 2019-10-29 | Rectangular shield tunnel lining ring and rectangular shield tunnel lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035776.6A CN110630278A (en) | 2019-10-29 | 2019-10-29 | Rectangular shield tunnel lining ring and rectangular shield tunnel lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630278A true CN110630278A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911035776.6A Pending CN110630278A (en) | 2019-10-29 | 2019-10-29 | Rectangular shield tunnel lining ring and rectangular shield tunnel lining structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031819A (en) * | 2020-08-13 | 2020-12-04 | 浙大城市学院 | L-shaped shield tunnel segment and assembling method |
| CN114294011A (en) * | 2022-01-20 | 2022-04-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Tunnel separation type prefabricated sleeve lining structure and construction method thereof |
| CN114959138A (en) * | 2022-06-06 | 2022-08-30 | 攀钢集团工程技术有限公司 | Iron notch frame combined brick and composition process thereof |
| CN116624174A (en) * | 2023-07-06 | 2023-08-22 | 中铁隧道局集团有限公司 | Segment lining structure and construction method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031819A (en) * | 2020-08-13 | 2020-12-04 | 浙大城市学院 | L-shaped shield tunnel segment and assembling method |
| CN112031819B (en) * | 2020-08-13 | 2022-08-09 | 浙大城市学院 | L-shaped shield tunnel segment and assembling method |
| CN114294011A (en) * | 2022-01-20 | 2022-04-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Tunnel separation type prefabricated sleeve lining structure and construction method thereof |
| CN114959138A (en) * | 2022-06-06 | 2022-08-30 | 攀钢集团工程技术有限公司 | Iron notch frame combined brick and composition process thereof |
| CN116624174A (en) * | 2023-07-06 | 2023-08-22 | 中铁隧道局集团有限公司 | Segment lining structure and construction method thereof |
| CN116624174B (en) * | 2023-07-06 | 2024-05-10 | 中铁隧道集团二处有限公司 | Segment lining structure and construction method thereof |
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