CN108868817B - Connection structure of cable channel and shield tunnel comprising connection structure - Google Patents
Connection structure of cable channel and shield tunnel comprising connection structure Download PDFInfo
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- CN108868817B CN108868817B CN201810765478.1A CN201810765478A CN108868817B CN 108868817 B CN108868817 B CN 108868817B CN 201810765478 A CN201810765478 A CN 201810765478A CN 108868817 B CN108868817 B CN 108868817B
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- shield tunnel
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- 230000002093 peripheral effect Effects 0.000 claims description 28
- 238000004873 anchoring Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 3
- 230000006872 improvement Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005553 drilling 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
Abstract
The invention discloses a connection structure of a cable channel and a shield tunnel comprising the connection structure, and belongs to the field of tunnel structure design. The connecting structure applied to the cable channel in the shield tunnel has the advantages of simple structure and simple and convenient arrangement, greatly reduces the arrangement difficulty and the arrangement cost of the cable channel, can effectively improve the use convenience of the shield tunnel when applied to the shield tunnel, ensures the structural stability of the shield tunnel, and has better popularization and application prospects.
Description
Technical Field
The invention belongs to the field of tunnel structure design, and particularly relates to a cable channel connection structure and a shield tunnel comprising the same.
Background
Along with the continuous improvement of the economic level of China and the continuous increase of the travel demands of people, the tunnel structure is increasingly applied to various traffic forms. The shield tunnel is in a tunnel form which is mature in application, is propelled in the ground through a shield machine, soil is excavated in front of an excavated surface by a cutting device, a supporting structure of the tunnel is formed through assembly of a shield shell and a duct piece, surrounding rocks around the tunnel are supported to prevent collapse, and the excavated soil is transported out of the tunnel through a soil outlet machine, so that the shield tunnel is finally formed.
In the application process of the shield tunnel, the laying and application of the cable channels in the tunnel are wider and wider. In the traditional shield tunnel project, the cable channel is paved and installed mainly in a post-anchoring mode, namely, the channel is installed in a mode of punching, chemical anchor bolts, expansion bolts and metal brackets in a matched mode, and the method is simple and convenient and has high installation accuracy; however, the above-mentioned mounting method also has many drawbacks, mainly in the following aspects: 1. the pipe piece needs to be perforated, so that the damage to the pipe piece structure is large, and the whole service life is influenced; 2. the construction is carried out in a narrow space of the tunnel, the construction environment is bad, the installation time is low, and the construction period is long; 3. the later replacement of the channel needs to re-punch and install the channel on the pipe piece, the cost is high, and the damage to the pipe piece structure is large; therefore, the laying mode of the cable channel has certain limitation.
In view of this, a new cable channel laying and installing mode, i.e. a pre-buried channel mode, has been studied and applied in the prior art, as shown in fig. 3-6, by pre-burying a special channel in a full ring of a segment, the pre-buried channel corresponds to the segment design of the shield segment, and the segment design and the segment pre-burying are also adopted, so that the method has the advantages of zero damage to the tunnel, prolonging the service life of the project, improving the installation efficiency of equipment, saving the cost, shortening the construction period and the like, and can avoid the defects caused by the traditional post-anchoring mode to a certain extent; however, the existing pre-buried channel mode also has certain defects, such as: 1. at present, the shield tunnel duct pieces mostly adopt universal ring duct pieces, if a duct embedding mode is adopted, the duct pieces are all embedded in a full ring mode, so that more waste and higher cost are caused; 2. if the shield tunnel adopts the standard ring segment, the investment of the left and right turning ring segment mould is increased; 3. the embedded channel serving as an embedded part cannot be replaced or is difficult to replace, so that the corrosion resistance of the embedded channel is always consistent with the service life of a tunnel, and the corrosion resistance of the embedded channel is generally required to be 100 years, the setting difficulty and the setting cost of the embedded channel are greatly increased, once the embedded channel needs to be maintained or replaced, the embedded channel can be anchored after being frequently and only replaced, the setting and maintenance cost of the cable channel are increased, and the tunnel structure is damaged, so that the mode has certain limitation.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a connecting structure of a cable channel and a shield tunnel comprising the connecting structure, wherein the pre-buried connecting assembly consisting of a connector and an anchor bar is pre-buried on a shield tunnel segment, and the pre-buried connecting assembly is correspondingly connected with an open-installation channel, so that the installation of the cable channel in the shield tunnel is effectively completed, the damage to the pipe in the installation process of the cable channel is reduced, the assembly and replacement efficiency of the cable channel is improved, the connecting structure does not need to be pre-buried in the whole tunnel annular direction, a new die is not required to be customized again, and the connecting structure has good universality and economy.
In order to achieve the above object, according to one aspect of the present invention, there is provided a connection structure for a cable channel provided on an inner peripheral wall surface of a shield tunnel segment having a circular arc shape, characterized in that,
the shield tunnel segment is characterized in that a plurality of embedded connecting units are arranged on the inner peripheral wall surface of the shield tunnel segment along the circumferential direction at intervals, each embedded connecting unit comprises an embedded connector and a connector anchoring reinforcing steel bar which are coaxially arranged, the end surface of each embedded connector does not protrude out of the inner peripheral wall surface of the shield tunnel segment, the connector anchoring reinforcing steel bars are embedded in the shield tunnel segment, one end of each embedded connector is connected with one end of each embedded connector, which is away from the inner peripheral wall surface of the shield tunnel segment, in a matched mode, so that the embedded connector is used for anchoring and limiting the embedded connector, one end of each embedded connector, which is away from the corresponding anchor reinforcing steel bar of the connector, is close to the inner peripheral wall surface of the shield tunnel segment, and a cable channel can be correspondingly connected to the end of the embedded connector, so that the cable channel is installed.
As a further improvement of the invention, the pre-buried connection units are arranged along the radial direction of the shield tunnel segment.
As a further improvement of the invention, the end face of the embedded connector, which is away from one end of the anchoring steel bar of the connector, is flush or not flush with the inner peripheral wall surface of the shield tunnel segment.
As a further improvement of the invention, a plurality of embedded connection units in the shield tunnel segment are arranged at equal intervals or at unequal intervals along the circumferential direction.
As a further improvement of the invention, the embedded connector is provided with a through hole along the axial direction, and the through hole is internally provided with internal threads, so that one end of an anchor bar of the connector can be connected with the embedded connector by threads.
In another aspect of the present invention, there is provided a shield tunnel comprising the connection structure of a cable duct, characterized in that,
the shield tunnel is of a tubular structure with a circular section, is correspondingly assembled by a plurality of shield tunnel segments, and forms at least one annular embedded connecting assembly on the circumferential wall surface of the inner periphery of the shield tunnel, wherein the embedded connecting assembly comprises a plurality of embedded connecting units which are arranged at intervals along the circumferential direction, namely, the embedded connecting units in the shield tunnel segments correspondingly assembled along the circumferential direction are sequentially distributed along the circumferential direction to form the annular embedded connecting assembly;
the shield tunnel's interior perisporium face corresponds pre-buried coupling assembling is provided with at least one cable channel, the channel has been seted up to one side of cable channel, its one side that deviates from the channel with a plurality of in the pre-buried coupling assembling pre-buried coupling unit aligns, and be provided with a plurality of connecting bars between pre-buried coupling assembling with the cable channel, connecting bar's one end is connected in corresponding pre-buried coupling unit pre-buried connector tip, other end fixed connection the cable channel is in order to realize the firm connection of cable channel.
As a further improvement of the invention, the cable channel is in a circular arc structure and is adapted to the radian of the inner peripheral wall surface of the shield tunnel.
As a further improvement of the invention, one end of the connecting steel bar is connected with the end part of the embedded connector through threads, and the other end of the connecting steel bar is firmly welded with the cable channel.
As a further improvement of the invention, the cable channels arranged on the embedded connecting assembly are two opposite to each other and are arranged on two sides of the shield tunnel.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
(1) According to the connecting structure of the cable channel, the plurality of pre-buried connecting units are arranged on the inner periphery of the shield tunnel duct piece at intervals along the circumferential direction, so that after the shield tunnel is assembled, a ring-shaped pre-buried connecting assembly is formed in the shield tunnel, and then the cable channel can be correspondingly connected and arranged at any position on the pre-buried connecting assembly, and therefore the cable channel can be effectively installed under the condition that the shield tunnel duct piece structure is not damaged, and the service life of the shield tunnel duct piece is prolonged;
(2) According to the connecting structure of the cable channels, the cable channels are installed by arranging the annular embedded connecting assemblies, so that the cable channels can be installed at any position in the annular direction of the embedded connecting assemblies according to actual needs, the number of the cable channels is effectively reduced, the full-annular embedded of the channels is avoided, the waste of materials is reduced, and the setting cost of the cable channels is reduced;
(3) According to the connecting structure of the cable channel, the cable channel is assembled outside the inner peripheral wall surface of the shield tunnel through the connecting steel bars, namely, the exposed channel is formed, the replacement and the overhaul of the channel are convenient and fast, the design service life of the channel is not required to be consistent with that of the tunnel, and the cable channel can be slightly shorter than that of the tunnel, so that the setting difficulty and the setting cost of the cable channel are greatly reduced, the efficiency of installing, maintaining and replacing the cable channel is improved, and the construction period is shortened;
(4) According to the connecting structure of the cable channel, the plurality of embedded connecting units are formed together in the shield tunnel segment forming process, and the end parts of the embedded connecting units do not protrude out of the wall surface of the shield tunnel segment, so that a mould of the shield tunnel segment does not need to be reset for installing the cable channel, and the increase of the setting cost is avoided;
(5) The cable channel connecting structure and the shield tunnel comprising the same are simple in structure and convenient to set, can effectively finish stable installation of the cable channel without damaging the segment of the shield tunnel, reduce the installation, maintenance and replacement costs, reduce the setting cost of the cable channel, and have better popularization and application prospects.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a cable channel according to an embodiment of the present invention, in which a surface-mounted channel is mounted on a connection structure of the cable channel;
FIG. 2 is a partial enlarged view of the connection relationship between the connection structure of the cable channel and the surface-mounted channel in the embodiment of the invention;
FIG. 3 is a schematic diagram of a pre-buried channel structure of a shield tunnel in the prior art;
FIG. 4 is a cross-sectional view of a prior art pre-buried assembly of a shield tunnel;
FIG. 5 is a schematic view of a partial structure of a pre-buried component of a shield tunnel in the prior art;
FIG. 6 is a schematic view of a segment with embedded components in the prior art;
like reference numerals denote like technical features throughout the drawings, in particular: 1. the shield tunnel duct piece, 2, a pre-buried connection unit, 201, a pre-buried connector, 202, a connector anchoring reinforcing steel bar; 3. an open-installation channel, 4, connecting steel bars and 5, pipe piece joints; 1a, a duct piece, 5a, a duct piece joint, 6, an embedded assembly, 601, an embedded channel and 602, an embedded channel anchoring end.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The present invention, in its preferred embodiment, is a cable duct connection structure which aims to improve upon the drawbacks of the existing cable duct installation. There are two general types of installation of existing cable channels, such as the post-anchor mode and the pre-buried channel mode described in the background art.
The post-anchoring mode is to complete the installation of the channel on the inner peripheral wall of the tunnel segment through the modes of punching, chemical anchor bolts, expansion bolts, metal brackets and the like after the assembly of the shield tunnel, and the post-anchoring mode is convenient and quick to install, has higher precision, can cause great damage to the structure of the tunnel segment, influences the service life of the shield tunnel, and is abandoned in the design process of a plurality of tunnels.
The cable channel is installed in a pre-buried channel mode, so that the pre-buried of the cable channel is often finished in the tunnel segment forming process, the damage to the tunnel segment in the cable channel installation process can be effectively reduced by the arrangement mode of the pre-buried channel, and the structural strength and the service life of the tunnel segment are ensured; common pre-buried channel modes are divided into an open-mounted channel pre-buried mode and an embedded channel pre-buried mode, wherein a cable channel in the open-mounted channel pre-buried mode is arranged on the inner peripheral wall surface of a tunnel duct piece, and the arrangement mode of the cable channel is that a forming die of the tunnel duct piece needs to be reset, so that duct piece damage caused by a traditional post-anchoring mode can be reduced to a certain extent, the forming cost of the tunnel duct piece is greatly increased, and the application is less; the embedded channel embedding mode is another embedded channel form which is more to be used at present, as shown in fig. 3-6, the cable channel is embedded into the inner peripheral wall of the duct piece when the duct piece is formed, so that the surface of the cable channel does not protrude from the inner peripheral wall surface of the duct piece, and the embedded channel embedding mode can be completed without replacing a forming die of the duct piece, however, the cable channel in the embedded mode is often embedded in a full ring of the duct piece, namely, the embedded channel is required to be embedded in each tunnel duct piece, so that unnecessary waste is caused, the cost is higher, the replacement and overhaul of the cable channel are troublesome, the requirement on the design service life is also higher, the maintenance cost and the setting cost are higher, and certain limitation exists in application.
In view of the drawbacks of the above-described arrangement form of the cable channel, a connection structure suitable for the cable channel is proposed in the preferred embodiment of the present invention, as shown in fig. 1 and 2, wherein a plurality of embedded connection units 2 are arranged on the inner peripheral wall surface of the shield tunnel segment 1 at intervals circumferentially along the inner peripheral wall surface of the shield tunnel segment 1, each embedded connection unit 2 preferably includes an embedded connector 201 and a connector anchor bar 202 arranged radially along the shield tunnel segment 1, one end of the connector anchor bar 202 close to the inner peripheral wall surface of the shield tunnel segment 1 is fixedly connected with one end of the embedded connector 201, while the surface of the embedded connector 201 does not protrude out of the inner peripheral wall surface of the shield tunnel segment 1, and is further preferably flush with the inner peripheral wall surface of the shield tunnel segment 1, as shown in fig. 2, the end of the embedded connector 201 may not be flush with the inner peripheral wall surface of the shield tunnel segment 1, and may be recessed inward by a certain distance in the inner surface of the shield tunnel segment 1, so that the embedded connection units 2 are stably arranged on the shield tunnel segment 1.
Further, the pre-buried connector 201 in the preferred embodiment is usually in a circular tube structure, that is, a through hole communicating two end surfaces is formed in the middle of the pre-buried connector 201, and internal threads are preferably formed on the inner periphery of the through hole, so that one end of the pre-buried connector 201 can be firmly connected with one end of the anchor reinforcing steel bar 202 of the connector, thereby firmly arranging the pre-buried connector 201 on the inner peripheral wall surface of the shield tunnel segment 1, and a connecting reinforcing steel bar 4 is arranged at the other end of the corresponding pre-buried connector 201, one end of the connecting reinforcing steel bar 4 can be correspondingly matched into the through hole of the pre-buried connector 201 and is firmly connected with the through hole, and the form of the stable connection can be further preferably threaded connection; further preferably, the plurality of pre-buried connection units 2 in the preferred embodiment are arranged at equal intervals or not at equal intervals in the circumferential direction of the shield tunnel, which can be preferred according to actual needs, and are not described herein.
Further, after the connection bars 4 are correspondingly arranged on the plurality of pre-buried connectors 201 in the preferred embodiment, the other ends of the connection bars 4 are correspondingly provided with arc-shaped cable channels, namely the exposed channels 3, the radian of the exposed channels 3 is preferably consistent with that of the shield tunnel segment 1, as shown in fig. 2, one side of the exposed channels 3, on which the channels are not arranged, is firmly connected with one side of the connection bars 4, which is away from the pre-buried connectors 201, and in the preferred embodiment, the end parts of the connection bars 4 are preferably firmly connected with the exposed channels 3 in a welding mode; of course, the connection form of the connection bar 4 and the surface mounting channel 3 is not limited to the above-mentioned form, and other forms, such as threaded connection, snap connection, etc., may be preferred according to actual needs, which are easier to be implemented by using related technical means in the prior art, and thus are not described herein.
Further, a plurality of shield tunnel segments 1 in the preferred embodiment can be assembled sequentially along the circumferential direction and the axial direction to form a circular tubular shield tunnel, and at least one annular connecting component formed by a plurality of embedded connecting units 2 which are arranged at intervals along the circumferential direction can be formed in the shield tunnel, wherein the annular connecting component is formed by the embedded connecting units 2 in each shield tunnel segment 1 correspondingly assembled along the circumferential direction; further, the corresponding annular connecting assembly is provided with cable channels which can be arranged at any position on the annular connecting assembly according to actual needs, in the preferred embodiment, the cable channels are respectively arranged at two sides of the shield tunnel, the two cable channels are oppositely arranged, and each cable channel is correspondingly connected with the annular connecting assembly through a plurality of connecting steel bars 4, so that the cable channels are installed in the shield tunnel.
The invention relates to a connecting structure suitable for installing a cable channel of a shield tunnel, which is characterized in that a plurality of embedded connecting units 2 are arranged at intervals in the circumferential direction of the shield tunnel formed by splicing a plurality of shield tunnel segments 1 into a circular section, namely a plurality of embedded connecting units 2 are arranged on each shield tunnel segment 1 at intervals in the circumferential direction, and connecting steel bars 4 are arranged on the corresponding embedded connecting units 2, so that the stable installation of the cable channel on the inner peripheral wall of the shield tunnel is realized by each connecting steel bar 4, and an open-installation channel 3 is formed. The arrangement form can not only effectively realize the installation of the cable channel in the shield tunnel and avoid the damage to the drilling of the shield tunnel segment 1, but also effectively reduce the arrangement length of the cable channel, avoid the full-ring arrangement of the cable channel and reduce the arrangement cost of the cable channel, but also facilitate the maintenance and replacement of the surface-mounted channel 3 compared with the cable channel of the embedded channel, can further improve the economy and convenience of the assembly and arrangement of the cable channel, and has better application and popularization values.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The connecting structure of the cable channel is arranged on the inner peripheral wall surface of the circular arc shield tunnel segment (1) and is characterized in that,
the connecting structure comprises a plurality of embedded connecting units (2) which are arranged on the inner peripheral wall surface of the shield tunnel segment (1) at intervals along the circumferential direction, and at least one annular connecting assembly formed by the embedded connecting units (2) which are arranged at intervals along the circumferential direction can be formed in the shield tunnel formed by splicing the shield tunnel segments (1) into a circular section;
the embedded connection unit (2) comprises an embedded connector (201) and a connector anchoring bar (202) which are coaxially arranged, the end face of the embedded connector (201) does not protrude out of the inner peripheral wall surface of the shield tunnel segment (1), the connector anchoring bar (202) is embedded in the shield tunnel segment (1), one end of the connector anchoring bar is connected with one end of the embedded connector (201) deviating from the inner peripheral wall surface of the shield tunnel segment (1) in a matched mode, so that the embedded connector (201) is used for anchoring and limiting, and one end of the embedded connector (201) deviating from the connector anchoring bar (202) is close to the inner peripheral wall surface of the shield tunnel segment (1);
through setting up connecting reinforcement (4) on pre-buried connecting unit (2) that correspond to each connecting reinforcement (4) realize the stable installation of open dress channel (3) on shield tunnel inner peripheral wall.
2. The cable channel connection structure according to claim 1, wherein the pre-buried connection units (2) are arranged along a radial direction of the shield tunnel segment (1).
3. The connection structure of the cable channel according to claim 1, wherein an end face of the pre-buried connector (201) facing away from one end of the connector anchoring bar (202) is flush or not flush with an inner peripheral wall face of the shield tunnel segment (1).
4. The connection structure of the cable channel according to any one of claims 1 to 3, wherein a plurality of the pre-buried connection units (2) in the shield tunnel segment (1) are arranged at equal intervals or at unequal intervals along the circumferential direction.
5. A connection structure of a cable duct according to any one of claims 1 to 3, wherein the pre-buried connector (201) is provided with a through hole along an axial direction, and an internal thread is provided in the through hole, so that one end of the connector anchoring reinforcement bar (202) can be connected with the pre-buried connector (201) by a thread.
6. A shield tunnel comprising the cable duct connection structure according to any one of claims 1 to 5,
the shield tunnel is of a tubular structure with a circular section, is correspondingly assembled by a plurality of shield tunnel segments (1), and forms at least one annular embedded connecting assembly on the circumferential wall surface of the inner periphery of the shield tunnel, wherein the embedded connecting assembly comprises a plurality of embedded connecting units (2) which are arranged at intervals along the circumferential direction, namely, the embedded connecting units (2) in the shield tunnel segments (1) correspondingly assembled along the circumferential direction are sequentially distributed along the circumferential direction to form the annular embedded connecting assembly;
the shield tunnel's interior perisporium face corresponds pre-buried coupling assembling is provided with at least one cable channel, the channel has been seted up to one side of cable channel, its one side that deviates from the channel with a plurality of in the pre-buried coupling assembling pre-buried coupling unit (2) are aligned, and be provided with a plurality of connecting bars (4) between pre-buried coupling assembling with the cable channel, the one end of connecting bar (4) is connected in corresponding pre-buried coupling unit (2) pre-buried connector (201) tip, other end fixed connection cable channel is in order to realize the firm connection of cable channel.
7. The shield tunnel according to claim 6, wherein the cable duct has a circular arc-shaped structure and conforms to the curvature of the inner peripheral wall surface of the shield tunnel.
8. Shield tunnel according to claim 6 or 7, wherein one end of the connection bar (4) is screwed with the end of the pre-buried connector (201) and the other end is secured with the cable channel by welding.
9. The shield tunnel according to claim 6 or 7, wherein the cable channels arranged on the pre-buried connection assembly are two opposite sides of the shield tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765478.1A CN108868817B (en) | 2018-07-12 | 2018-07-12 | Connection structure of cable channel and shield tunnel comprising connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765478.1A CN108868817B (en) | 2018-07-12 | 2018-07-12 | Connection structure of cable channel and shield tunnel comprising connection structure |
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| Publication Number | Publication Date |
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| CN108868817A CN108868817A (en) | 2018-11-23 |
| CN108868817B true CN108868817B (en) | 2023-12-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110130905B (en) * | 2019-05-10 | 2024-04-19 | 中铁第四勘察设计院集团有限公司 | Shield tunnel circumferential seam shearing-resistant structure adapting to vertical fault of movable fault |
| CN110514328A (en) * | 2019-08-31 | 2019-11-29 | 盾构及掘进技术国家重点实验室 | A kind of the wire seal device and distribution method of concrete shield/pre-buried monitoring instrument in the section of jurisdiction TBM |
| CN112627849B (en) * | 2020-12-14 | 2023-05-23 | 中交第二公路勘察设计研究院有限公司 | Longitudinal asymmetric external prestress construction method for shield tunnel segment with small curvature radius |
| CN113266395A (en) * | 2021-07-01 | 2021-08-17 | 上海市城市建设设计研究总院（集团）有限公司 | Shield tunnel pipeline support connecting device and anti-falling device in earthquake high-intensity area |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761344A (en) * | 2010-01-14 | 2010-06-30 | 华南理工大学 | Prefabricated pipe section for shield tunnel and preparation method thereof |
| CN201599040U (en) * | 2010-01-14 | 2010-10-06 | 广州市市政集团有限公司 | Prefabricated segments for shield tunneling |
| CN104747206A (en) * | 2015-03-18 | 2015-07-01 | 济南轨道交通集团有限公司 | Shield tunnel segment structure considering municipal cable pipelines and installing method |
| CN208633838U (en) * | 2018-07-12 | 2019-03-22 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure of cable conduit and shield tunnel containing the connection structure |
-
2018
- 2018-07-12 CN CN201810765478.1A patent/CN108868817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761344A (en) * | 2010-01-14 | 2010-06-30 | 华南理工大学 | Prefabricated pipe section for shield tunnel and preparation method thereof |
| CN201599040U (en) * | 2010-01-14 | 2010-10-06 | 广州市市政集团有限公司 | Prefabricated segments for shield tunneling |
| CN104747206A (en) * | 2015-03-18 | 2015-07-01 | 济南轨道交通集团有限公司 | Shield tunnel segment structure considering municipal cable pipelines and installing method |
| CN208633838U (en) * | 2018-07-12 | 2019-03-22 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure of cable conduit and shield tunnel containing the connection structure |
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