CN112502735A - Shield device integrated with track base - Google Patents
Shield device integrated with track base Download PDFInfo
- Publication number
- CN112502735A CN112502735A CN202010858212.9A CN202010858212A CN112502735A CN 112502735 A CN112502735 A CN 112502735A CN 202010858212 A CN202010858212 A CN 202010858212A CN 112502735 A CN112502735 A CN 112502735A
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- shield
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- 239000000758 substrate Substances 0.000 claims description 7
- 230000010354 integration Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (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 discloses a shield device integrated with a track base, relates to the field of ballastless track structures in shield intervals of urban rail transit, and can solve the problem of large workload of cast-in-place concrete bases. The specific technical scheme is as follows: the shield comprises a plurality of bent and open-ended side shield segments and a bottom shield segment, wherein the open ends of the side shield segments are connected with the bottom shield segment to form a closed ring pipe. The invention also solves the defects of poor environment, low construction precision, long base maintenance time, slow construction progress, poor durability and large operation and maintenance workload of cast-in-place concrete operation.
Description
Technical Field
The invention relates to a ballastless track structure of an urban rail transit shield interval, in particular to a shield device integrated with a track base.
Background
At present, ballastless track bases of shield zone sections of urban rail transit engineering in China mostly adopt cast-in-place structures, but have more defects. Before the construction of a ballastless track structure, the foundation cast-in-place concrete backfill operation needs to be carried out on the bottom of the track in the shield interval, and the process has the defects of large workload of in-situ concrete pouring, poor operation environment, low construction precision, long maintenance time, slow construction progress, poor durability and the like.
Therefore, the problems that the design scheme and the corresponding construction process of the existing shield interval ballastless track structure are improved, the construction quality and progress are guaranteed, and the smoothness, durability and maintainability of the track structure are improved are urgently solved at present.
Disclosure of Invention
The embodiment of the disclosure provides a shield device integrated with a track base, and solves the problem of large workload of a cast-in-place concrete base. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a shield apparatus integrated with a track substrate, including:
the shield comprises a plurality of bent and open-ended side shield segments and a bottom shield segment, wherein the open ends of the side shield segments are connected with the bottom shield segment to form a closed ring pipe.
The side shield constructs section of jurisdiction and bottom shield constructs the section of jurisdiction and adopts equal strength label concrete, integration arrangement of reinforcement and pours, makes this structure have sufficient security, assembly nature and leakproofness, satisfies intensity and the sealed requirement of city track traffic shield interval shield structure section of jurisdiction under the long-term effect of train load and outside water and soil pressure.
In one embodiment, the shield apparatus integrated with the track base further comprises: the section of the closed ring pipe is one of a linear lining ring, a wedge-shaped lining ring and a universal lining ring.
In one embodiment, the shield apparatus integrated with the track base further comprises: the side shield segments are arranged side by side, one side of the inner side of each side shield segment is provided with a hand hole a, the other side of the inner side of each side shield segment is provided with a bolt hole a, and the hand hole a and the bolt hole a are connected between every two adjacent side shield segments through bolts a.
And the hand hole a and the bolt hole a are connected through the bolt a, so that an integrated structure is formed between the adjacent side shield segments.
In one embodiment, the shield apparatus integrated with the track base further comprises: the bottom shield segment includes one or more individual shield segments.
When one bottom shield segment corresponds to the position below the width range of the ballastless track substrate, the bottom shield segment is a single shield segment; when the width range of the ballastless track base corresponds to two bottom shield segments, the bottom shield segments are divided into two corresponding single shield segments, the two single shield segments are integrated and mutually assembled.
In one embodiment, the shield apparatus integrated with the track base further comprises: a plurality of single shield constructs the section of jurisdiction and sets up side by side, and hand hole b is seted up to one side that every single shield constructs the section of jurisdiction to be located closed ring pipe, and bolt hole b is seted up on the relative one side in inboard, connects hand hole b and bolt hole b through bolt b between two adjacent single shield constructs the section of jurisdiction.
After the hand hole b and the bolt hole b are connected through the bolt b, an integrated structure is formed between every two adjacent single shield segments.
In one embodiment, the shield apparatus integrated with the track base further comprises: and a hand hole c is formed in the opening end of each side shield segment, a bolt hole c is formed in the position, opposite to the hand hole c, of the bottom shield segment, and each pair of the hand hole c and the bolt hole c is connected through a bolt c.
After the hand hole c and the bolt hole c are connected through the bolt c, the side shield segment and the bottom shield segment form an integrated structure.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a front view of a shield apparatus integrated with a rail base according to an embodiment of the present disclosure;
fig. 2 is a top view of a shield apparatus integrated with a rail base according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a bottom shield segment of a shield apparatus integrated with a track substrate according to an embodiment of the present disclosure;
FIG. 4 is a top view of a shield apparatus integrated with a rail base according to an embodiment of the present disclosure;
fig. 5 is a schematic view of a bottom shield segment of a shield device integrated with a track substrate according to an embodiment of the present disclosure.
In the figure, 1 is a side shield segment, and 2 is a bottom shield segment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
As shown in fig. 1, an embodiment of the present disclosure provides a shield apparatus integrated with a track substrate, including: a plurality of crooked and open-ended side shield constructs section of jurisdiction 1 and a bottom shield constructs section of jurisdiction 2, and a plurality of side shield constructs 1 open ends of section of jurisdiction and connects bottom shield and constructs section of jurisdiction 2 and form closed ring pipe.
The side shield constructs section of jurisdiction and bottom shield constructs the section of jurisdiction and adopts equal strength label concrete, integration arrangement of reinforcement and pouring, makes this structure have sufficient security, assembly nature and leakproofness, can avoid the base cast-in-place, reduces the construction volume, and operating environment satisfies intensity and the sealed requirement of city track traffic shield interval shield structure section of jurisdiction under train load and the long-term effect of outside water and soil pressure.
The section of the closed ring pipe is one of a linear lining ring, a wedge-shaped lining ring and a universal lining ring.
The side shield segments are arranged between the side shield segments 1 side by side, one side of the inner side of each side shield segment 1 is provided with a hand hole a, the other side of the inner side of each side shield segment is provided with a bolt hole a, and the hand hole a and the bolt hole a are connected between every two adjacent side shield segments 1 through bolts a.
And the hand hole a and the bolt hole a are connected through the bolt a, so that an integrated structure is formed between the adjacent side shield segments.
The bottom shield segment 2 comprises one or more single shield segments.
When one bottom shield segment corresponds to the position below the width range of the ballastless track substrate, the bottom shield segment is a single shield segment; when the width range of the ballastless track base corresponds to two bottom shield segments, the bottom shield segments are divided into two corresponding single shield segments, the two single shield segments are integrated and mutually assembled.
A plurality of single shield constructs the section of jurisdiction and sets up side by side, and hand hole b is seted up to one side that every single shield constructs the section of jurisdiction to be located closed ring pipe, and bolt hole b is seted up on the relative one side in inboard, connects hand hole b and bolt hole b through bolt b between two adjacent single shield constructs the section of jurisdiction.
After the hand hole b and the bolt hole b are connected through the bolt b, an integrated structure is formed between every two adjacent single shield segments.
Hand hole c is seted up to every side shield section of jurisdiction 1 open end, and bottom shield constructs section of jurisdiction 2 and sets up bolt hole c with hand hole c relative position, and every is connected through bolt c hand hole c, bolt hole c.
After the hand hole c and the bolt hole c are connected through the bolt c, the side shield segment and the bottom shield segment form an integrated structure.
Example 1
As shown in fig. 1, 2 and 3, a shield apparatus integrated with a track base includes: a plurality of crooked and open-ended side shield constructs section of jurisdiction 1 and a bottom shield constructs section of jurisdiction 2, and a plurality of side shield constructs 1 open ends of section of jurisdiction and connects bottom shield and constructs section of jurisdiction 2 and form closed ring pipe. The section of the closed ring pipe is a universal lining ring. The side shield segments are arranged between the side shield segments 1 side by side, one side of the inner side of each side shield segment 1 is provided with a hand hole a, the other side of the inner side of each side shield segment is provided with a bolt hole a, and the hand hole a and the bolt hole a are connected between every two adjacent side shield segments 1 through bolts a. The bottom shield segment 2 is a single shield segment. Hand hole c is seted up to every side shield section of jurisdiction 1 open end, and bottom shield constructs section of jurisdiction 2 and sets up bolt hole c with hand hole c relative position, and every is connected through bolt c hand hole c, bolt hole c.
Example 2
As shown in fig. 4 and 5, a shield apparatus integrated with a track base includes: a plurality of crooked and open-ended side shield constructs section of jurisdiction 1 and a bottom shield constructs section of jurisdiction 2, and a plurality of side shield constructs 1 open ends of section of jurisdiction and connects bottom shield and constructs section of jurisdiction 2 and form closed ring pipe. The section of the closed ring pipe is a universal lining ring. The side shield segments are arranged between the side shield segments 1 side by side, one side of the inner side of each side shield segment 1 is provided with a hand hole a, the other side of the inner side of each side shield segment is provided with a bolt hole a, and the hand hole a and the bolt hole a are connected between every two adjacent side shield segments 1 through bolts a. Bottom shield constructs section of jurisdiction 2 for a plurality of single shield constructs the section of jurisdiction, and a plurality of single shield constructs the section of jurisdiction and sets up side by side, and hand hole b is seted up to one side that every single shield constructs the section of jurisdiction to be located closed ring pipe, and bolt hole b is seted up to inboard relative one side, connects hand hole b and bolt hole b through bolt b between two adjacent single shield constructs the section of jurisdiction. Hand hole c is seted up to every side shield section of jurisdiction 1 open end, and bottom shield constructs section of jurisdiction 2 and sets up bolt hole c with hand hole c relative position, and every is connected through bolt c hand hole c, bolt hole c.
The design method and the measurement and control technology of the embodiment are as follows:
the extreme state method of the railway tunnel extreme state method is adopted to calculate and design the reinforcement system of the integrated shield segment, thereby optimizing the structural stress system and the reinforcement configuration and further reducing the consumption of reinforcement materials.
By adopting the CP III measurement and control technology in the high-speed rail, the integrated shield segment is ensured to have higher assembly precision and stability.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. The utility model provides a shield constructs device with track basement integration, its characterized in that includes a plurality of crooked and open-ended side shield constructs the section of jurisdiction and a bottom shield constructs the section of jurisdiction, and is a plurality of side shield constructs the section of jurisdiction open end and connects bottom shield and construct the section of jurisdiction and form closed ring canal.
2. The shield apparatus of claim 1, wherein the closed collar has a cross-section selected from the group consisting of a linear-lined collar, a wedge-lined collar, and a universal-type-lined collar.
3. The shield device integrated with the track base as claimed in claim 1, wherein a plurality of side shield segments are arranged side by side, each side shield segment is provided with a hand hole a on one side and a bolt hole a on the opposite side, and two adjacent side shield segments are connected with the hand hole a and the bolt hole a through the bolt hole a.
4. The integrated shield apparatus with a track substrate of claim 1, wherein said bottom shield segment comprises one or more single shield segments.
5. The shield device integrated with the track base as claimed in claim 4, wherein a plurality of single shield segments are arranged side by side, one side of each single shield segment in the closed loop is provided with a hand hole b, the opposite side of the inner side of each single shield segment is provided with a bolt hole b, and the hand hole b and the bolt hole b are connected between two adjacent single shield segments through bolts b.
6. The shield device integrated with the track base as claimed in claim 1, wherein each of the side shield segments has a hand hole c at an open end thereof, and a bolt hole c is formed in the bottom shield segment opposite to the hand hole c, and each pair of the hand hole c and the bolt hole c is connected by a bolt c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858212.9A CN112502735A (en) | 2020-08-24 | 2020-08-24 | Shield device integrated with track base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858212.9A CN112502735A (en) | 2020-08-24 | 2020-08-24 | Shield device integrated with track base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112502735A true CN112502735A (en) | 2021-03-16 |
Family
ID=74954030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010858212.9A Pending CN112502735A (en) | 2020-08-24 | 2020-08-24 | Shield device integrated with track base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112502735A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001055896A (en) * | 1999-08-18 | 2001-02-27 | Okumura Corp | Bottom segment of inclined shaft and bottom structure |
| CN206830190U (en) * | 2017-06-27 | 2018-01-02 | 华东交通大学 | A kind of Shield-bored tunnels longitudinal rigidity reinforcing structure |
| CN207920618U (en) * | 2018-03-15 | 2018-09-28 | 苏州市星火管片有限公司 | A kind of shield tunnel segment lining structure |
| CN111022080A (en) * | 2019-12-31 | 2020-04-17 | 中铁第四勘察设计院集团有限公司 | Connection structure of track beam and shield tunnel, construction method of connection structure and shield tunnel |
| CN111502693A (en) * | 2020-04-11 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Inner bottom filling type shield tunnel lining structure |
-
2020
- 2020-08-24 CN CN202010858212.9A patent/CN112502735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001055896A (en) * | 1999-08-18 | 2001-02-27 | Okumura Corp | Bottom segment of inclined shaft and bottom structure |
| CN206830190U (en) * | 2017-06-27 | 2018-01-02 | 华东交通大学 | A kind of Shield-bored tunnels longitudinal rigidity reinforcing structure |
| CN207920618U (en) * | 2018-03-15 | 2018-09-28 | 苏州市星火管片有限公司 | A kind of shield tunnel segment lining structure |
| CN111022080A (en) * | 2019-12-31 | 2020-04-17 | 中铁第四勘察设计院集团有限公司 | Connection structure of track beam and shield tunnel, construction method of connection structure and shield tunnel |
| CN111502693A (en) * | 2020-04-11 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Inner bottom filling type shield tunnel lining structure |
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Application publication date: 20210316 |
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| RJ01 | Rejection of invention patent application after publication |