CN114135312B - Double-connecting-rod assembled reinforcing structure - Google Patents
Double-connecting-rod assembled reinforcing structure Download PDFInfo
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- CN114135312B CN114135312B CN202111480959.6A CN202111480959A CN114135312B CN 114135312 B CN114135312 B CN 114135312B CN 202111480959 A CN202111480959 A CN 202111480959A CN 114135312 B CN114135312 B CN 114135312B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 37
- 230000002787 reinforcement Effects 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a double-connecting-rod assembled reinforcing structure, which comprises: the joint comprises a node part, an embedded part, a joint part, a sleeve and a rod piece; the node piece comprises a bottom plate with a kidney-shaped hole, a first part with round threaded holes at two ends, a second part with round threaded holes at two ends and a third part with round threaded holes at two ends; the embedded part comprises a top surface with a bolt hole and a cylinder with an internal thread corresponding to the bolt hole; one end of the joint piece is provided with two parallel fourth parts with round threaded holes, and the other end of the joint piece is provided with external threads; the sleeve is provided with an internal thread; one end of the rod piece is provided with an internal thread, and the other end of the rod piece is provided with an external thread. The double-connecting-rod assembled reinforcing structure can be used for actively reinforcing in a prestress applying mode, and overcomes the defects caused by the conventional passive reinforcement; meanwhile, the construction is simple; the components are manufactured in a standardized way, and the quality is reliable and replaceable; in addition, shield of the inner surface of the shield tunnel is less, and lining damage can be found conveniently and timely.
Description
Technical Field
The invention relates to a shield tunnel reinforcing structure, in particular to a double-connecting-rod assembled reinforcing structure.
Background
At present, shield tunnels are widely applied to projects such as rail transit, highways, railways, municipal pipelines and the like, diseases of the shield tunnels are gradually increased along with the increase of service life, water leakage, duct piece cracking and overlarge longitudinal and transverse deformation are three main diseases of the shield tunnels, wherein the overlarge longitudinal and transverse deformation can seriously affect the bearing capacity, the use function and the durability requirements of the shield tunnel structure. Therefore, controlling excessive longitudinal and transverse deformation of the shield tunnel is a major governing problem.
The processing method in the prior art mainly comprises the steps of carrying out internal reinforcement on a lining structure, wherein the reinforcement technology comprises a steel plate reinforcement technology, a fiber fabric reinforcement technology, a composite cavity reinforcement technology and the like, the reinforcement technology adopts the principle that a reinforcement structure and a shield lining are effectively connected to form a composite structure system, and the shield lining is resisted through common stress of the composite structure system to further deform. The reinforcing treatment of the composite system belongs to passive reinforcing, and the integral reinforcing effect is not strong.
Therefore, how to actively and reliably reinforce the shield tunnel to avoid excessive longitudinal and transverse deformation is an urgent problem to be solved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a double-link assembled reinforcement structure, which is used to solve the problem that the shield tunnel cannot be actively and reliably reinforced to avoid excessive longitudinal and transverse deformation in the prior art.
To achieve the above and other related objects, the present invention provides a double-link assembly type reinforcement structure, including:
in one embodiment of the present invention, the node member, the embedded member, the joint member, the sleeve, and the rod member; the node piece comprises a bottom plate with a kidney-shaped hole, a first part with round threaded holes at two ends, a second part with round threaded holes at two ends and a third part with round threaded holes at two ends; the embedded part comprises a top surface with a bolt hole and a cylinder with internal threads corresponding to the bolt hole; the embedded part is embedded in the concrete segment when the concrete segment is poured, and is connected with the bottom plate of the node part based on the bolt hole on the top surface; one end of the joint piece is provided with two parallel fourth parts with round threaded holes, and the other end of the joint piece is provided with external threads; the sleeve is provided with an internal thread; one end of the rod piece is provided with an internal thread, and the other end of the rod piece is provided with an external thread; the joint piece is connected with the node piece by a bolt based on the fourth component; one end of the rod piece, which is provided with the internal thread, is connected with the joint piece; the other end of the rod piece provided with the external thread is connected with the sleeve.
In one embodiment of the present invention, the first member of the node member is located at the middle of the bottom plate, and is perpendicular to the bottom plate; the second part is vertical to the bottom plate; and perpendicular to said first member; the third part is vertical to the bottom plate; and perpendicular to said first member; the second part and the third part are arranged at two ends of the bottom plate based on a stress balance principle.
In an embodiment of the present invention, a graduated scale is disposed on a surface of the rod member having the external thread, and the graduated scale is used for marking a magnitude of the pressure or the tensile force in the rod member.
In an embodiment of the present invention, when the sleeve rotates clockwise while connecting the rod, based on the scale, determining a tension in the rod; when the sleeve rotates counterclockwise while connecting the rod, the pressure inside the rod is determined based on the scale.
In an embodiment of the present invention, the node member is fixed on the inner side of a concrete segment based on the connection of the embedded member and the node member; and splicing the two concrete segments of the same ring based on the connection of the second part and the third part of the node piece with the corresponding joint pieces, the connection of the corresponding joint pieces and the rod piece, and the connection of the rod piece and the sleeve.
In an embodiment of the invention, the splicing of two concrete segments in different ring juxtaposition positions is completed based on the connection of the first member of the node member and the corresponding joint member, and the connection of the joint member and the rod member.
In an embodiment of the present invention, when different concrete segments in the same ring are spliced into a complete ring, an included angle formed by the node member on the inner side of the first concrete segment and the node member on the inner side of the last concrete segment in the same ring based on the circle center of the ring is 90 degrees.
In an embodiment of the invention, the end of the cylinder of the embedded part is set to be a circular plane with a radius larger than that of the cylinder; and a circular hole with the radius larger than that of the circular plane is arranged in the middle of the top surface of the embedded part.
In an embodiment of the present invention, a force sensor is disposed in the middle of the rod, and the force sensor is used for indicating the magnitude of the pressure or the tensile force in the rod.
The invention provides a shield tunnel based on a double-connecting-rod assembled type reinforcing structure, which is used for realizing the double-connecting-rod assembled type reinforcing structure.
As mentioned above, the double-connecting-rod assembled type reinforcing structure has the following beneficial effects:
(1) the active reinforcement is carried out by applying prestress, and the defects brought by the conventional passive reinforcement are overcome.
(2) The construction is simple; the components are manufactured in a standardized way, and the quality is reliable and replaceable.
(3) The shield tunnel inner surface shelters from fewly, is convenient for in time discover lining damage.
Drawings
Fig. 1 is a diagram illustrating a connection structure of a two-link assembly type reinforcement structure according to an embodiment of the present invention.
Fig. 2 is a schematic view of a node member in an embodiment of the dual-link assembled reinforcement structure of the present invention.
Fig. 3a is a schematic view of a circular threaded hole of a node member in an embodiment of the two-link assembly type reinforcing structure of the present invention.
Fig. 3b is a schematic view of a kidney-shaped hole of a node member in an embodiment of the two-link assembly type reinforcing structure of the present invention.
Fig. 4 is a schematic view of an embedded part of a two-link assembly type reinforcing structure according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an embedded part in a concrete segment in an embodiment of the two-link assembled reinforcing structure of the present invention.
Fig. 6 is a schematic view of a sleeve of the two-link assembly type reinforcement structure of the present invention in one embodiment.
Fig. 7 is a perspective view of a sleeve of the two-link assembly type reinforcement structure of the present invention in an embodiment.
Fig. 8 is a schematic view of a joint member of the two-link assembly type reinforcement structure of the present invention in one embodiment.
Fig. 9 is a perspective view of a joint member of an embodiment of the double-link assembly type reinforcement structure of the present invention.
FIG. 10a is a schematic view of a single rod connection of a two-rod modular reinforcement structure of the present invention in one embodiment.
FIG. 10b is a schematic view of a single rod connection of the two-rod modular reinforcement structure of the present invention in one embodiment.
Fig. 11 is a schematic connection diagram of a two-link assembly in an embodiment of the two-link assembly type reinforcing structure of the present invention.
Fig. 12 shows a physical representation of a splice of different concrete segments of the same ring for the two-link modular reinforcing structure of the present invention in one embodiment.
FIG. 13 is a schematic view of the connection between node members at different ring juxtapositions in an embodiment of the present invention.
FIG. 14 is a complete splice view of the same ring in one embodiment of the two-link modular reinforcement structure of the present invention.
Fig. 15 is a schematic diagram of an embedded part of a dual-link assembled reinforcing structure according to an embodiment of the present invention.
Fig. 16 is a rod diagram of a two-link assembly type reinforcing structure according to an embodiment of the present invention.
Fig. 17 is a partial view of a completed tunnel in one embodiment of the double-link assembled reinforcing structure of the present invention.
Description of the element reference numerals
1 node part
2 joint member
3 sleeve
4 bar member
5 Embedded part
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The double-connecting-rod assembled reinforcing structure can be used for actively reinforcing in a prestress applying mode, and overcomes the defects caused by the conventional passive reinforcement; meanwhile, the construction is simple; the components are manufactured in a standardized way, and the quality is reliable and replaceable; in addition, the shield tunnel has less inner surface shielding, and lining diseases can be found conveniently and timely.
As shown in fig. 1, in the present embodiment, the connection structure of the invention; the double-connecting-rod assembled reinforcing structure comprises: the joint part comprises a node part 1, a joint part 2, a sleeve 3, a rod part 4 and an embedded part 5; the node piece comprises a bottom plate with a kidney-shaped hole, a first part with round threaded holes at two ends, a second part with round threaded holes at two ends and a third part with round threaded holes at two ends; the embedded part comprises a top surface with a bolt hole and a cylinder with internal threads corresponding to the bolt hole; the embedded part is embedded in the concrete segment when the concrete segment is poured, and is connected with the bottom plate of the node part based on the bolt hole on the top surface; one end of the joint piece is provided with two parallel fourth parts with round threaded holes, and the other end of the joint piece is provided with external threads; the sleeve is provided with an internal thread; one end of the rod piece is provided with an internal thread, and the other end of the rod piece is provided with an external thread; the joint piece is connected with the node piece by a bolt based on the fourth component; one end of the rod piece, which is provided with the internal thread, is connected with the joint piece; the other end of the rod piece provided with the external thread is connected with the sleeve.
More particularly, the first member of the node member is located at the middle of the base plate, perpendicular to the base plate; the second part is vertical to the bottom plate; and perpendicular to said first member; the third part is vertical to the bottom plate; and perpendicular to said first member; the second part and the third part are arranged at two ends of the bottom plate based on a stress balance principle. As shown in fig. 2, in the embodiment, the node device of the present invention is a physical diagram.
As shown in fig. 3a, in this embodiment, the circular threaded holes of the node piece of the present invention are schematically illustrated, circular threaded holes at one side of the first component, the second component and the third component on the node piece, with reference to the first component, are respectively connected with corresponding connectors by bolts for splicing two concrete segments of the same ring; the circular threaded holes of the first parts on the node pieces and the corresponding joint pieces are connected through bolts so as to be used for splicing two concrete segments at different ring parallel positions.
As shown in fig. 3b, in this embodiment, the waist-shaped hole of the node part of the present invention is schematically illustrated, and the waist-shaped hole on the bottom plate of the node part is used for connecting with the top surface of the embedded part through a bolt; as shown in fig. 4, in the embodiment, the embedded part of the invention is schematically shown in the figure, the embedded part is embedded in the concrete segment when the concrete segment is poured, as shown in fig. 5, in the embodiment, the embedded part of the invention is schematically shown in the concrete segment, and the top surface of the embedded part is flush with the inner side surface of the concrete segment; and the area of the node member bottom plate is set to be larger, so that the adverse effect of concentrated stress of the node member on the construction of the concrete pipe section is reduced.
Further specifically, the first part, the second part and the third part on the node part are designed into circular arcs, so that the joint part can rotate conveniently when being connected with the corresponding joint part, and the installation efficiency is improved.
Further specifically, when the embedded parts are not embedded in the concrete segment, the node parts can be fixed on the inner side surface of the concrete segment by passing through waist-shaped holes in the node part base plates through expansion bolts or chemical bolts and the like.
Further specifically, a graduated scale is arranged on the surface of one end, provided with the external thread, of the rod piece, and the graduated scale is used for marking the pressure or the tension in the rod piece. The rod piece is made of a steel pipe, so that the compression stability of the rod piece is improved.
Further specifically, when the sleeve rotates clockwise while connecting the rod, determining a tension in the rod based on the scale; when the sleeve rotates counterclockwise while connecting the rod, the pressure inside the rod is determined based on the scale.
For example, as shown in fig. 6, in the present embodiment, the sleeve of the present invention is schematically illustrated. The sleeve adopts a positive and negative buckling sleeve, and when the rod piece is connected, the pull force is applied to the rod piece through the rotation of the homeotropic needle; applying pressure to the lever by rotating counterclockwise; thereby achieving the effect of prestressing the rod piece. After prestress is applied, the double-connecting-rod assembled reinforcing structure can actively act on the shield lining, and plays a role in active reinforcement. In practical application, the outer side of the sleeve can be provided with a protruding part or subjected to surface roughening treatment, so that the knob during construction is convenient. Referring to fig. 7, in the embodiment, the sleeve of the present invention is shown in a real object.
Further specifically, the node pieces are fixed on the inner side of one concrete segment based on the connection of the embedded pieces and the node pieces; as shown in fig. 8, in the present embodiment, the joint piece schematic diagram of the present invention completes the splicing of two concrete segments of the same ring based on the connection between the second member and the third member of the node piece and the corresponding joint piece, the connection between the corresponding joint piece and the rod, and the connection between the rod and the sleeve, respectively, as shown in fig. 9, in the present embodiment, the joint piece real diagram of the present invention is shown.
As shown in fig. 10a, in the present embodiment, the single rod connection diagram of the present invention, and as shown in fig. 10b, in the present embodiment, the single rod connection components of the present invention are schematically illustrated, and after the single rod connection, the single rod connection components are connected with the second component and the third component on the node component to form a connection diagram of a double-rod assembly, as shown in fig. 11, in the present embodiment, the connection diagram of the double-rod assembly of the present invention. The splicing of different concrete segments of the same ring is completed through the splicing connection of the double connecting rods. As shown in fig. 12, in this embodiment, the concrete segments of the same ring are spliced together.
Further specifically, splicing of two concrete segments in different ring parallel positions is completed based on connection of the first part of the node piece and the corresponding joint piece and connection of the joint piece and the rod piece. In this embodiment, as shown in fig. 13, the connection between the node members in different ring juxtapositions is illustrated schematically.
Further specifically, when different concrete segments of the same ring are spliced into a complete ring, the included angle formed by the node piece on the inner side of the first concrete segment and the node piece on the inner side of the last concrete segment in the same ring based on the circle center of the ring is 90 degrees. In this embodiment, a complete splice of the same ring of the present invention is shown in FIG. 14.
Further specifically, the end part of the cylinder of the embedded part is arranged into a circular plane with the radius larger than that of the cylinder; the middle of the top surface of the embedded part is provided with a circular hole with the radius larger than that of the circular plane; the circular plane is used for enhancing the connection firmness of the embedded part and the concrete; the middle round hole can lighten the weight of the embedded part, and the other hand can be used for positioning when pouring the concrete segment. As shown in fig. 15, in the embodiment, an object diagram of an embedded part of the invention is shown.
Further specifically, a force sensor is arranged in the middle of the rod piece and used for marking the pressure or the tension in the rod piece. As shown in fig. 16, in the embodiment, the rod member of the present invention is schematically illustrated.
As shown in fig. 17, in the present embodiment, the assembled tunnel partial map of the invention forms a complete annular assembled duct piece by assembling a plurality of duct pieces, and when the node pieces of different duct pieces are connected, sleeves are provided to connect the rod pieces, and the length of the rod pieces is adjusted by rotating the sleeves in different directions, so as to increase the pressure or tension on the rod pieces; connecting a plurality of complete annular splicing segments to the node pieces through rod pieces and joint pieces, splicing and combining different annular segments, wherein no sleeve is arranged between different annular segments; through the continuous connection among the different ring segments, a tunnel with a certain length is gradually formed.
In conclusion, the double-connecting-rod assembled reinforcing structure can be used for actively reinforcing in a prestress applying mode, and overcomes the defects caused by the conventional passive reinforcement; meanwhile, the construction is simple; the components are manufactured in a standardized way, and the quality is reliable and replaceable; in addition, the shield tunnel has less inner surface shielding, and lining diseases can be found conveniently and timely. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a reinforcing structure of two connecting rod pin-connected panel which characterized in that includes:
the joint comprises a node part, an embedded part, a joint part, a sleeve and a rod piece;
the node piece comprises a bottom plate with a kidney-shaped hole, a first part with round threaded holes at two ends, a second part with round threaded holes at two ends and a third part with round threaded holes at two ends;
the embedded part comprises a top surface with a bolt hole and a cylinder with internal threads corresponding to the bolt hole;
the embedded part is embedded in the concrete segment when the concrete segment is poured, and is connected with the bottom plate of the node part based on the bolt hole on the top surface;
one end of the joint piece is provided with two parallel fourth parts with round threaded holes, and the other end of the joint piece is provided with external threads;
the sleeve is provided with an internal thread;
one end of the rod piece is provided with an internal thread, and the other end of the rod piece is provided with an external thread;
the joint piece is connected with the node piece by a bolt based on the fourth component;
one end of the rod piece, which is provided with the internal thread, is connected with the joint piece; the other end of the rod piece provided with the external thread is connected with the sleeve.
2. The reinforcing structure of claim 1, comprising:
the first part of the node piece is positioned in the middle of the bottom plate and is vertical to the bottom plate;
the second part is vertical to the bottom plate; and perpendicular to said first member;
the third part is vertical to the bottom plate; and perpendicular to said first member;
the second part and the third part are arranged at two ends of the bottom plate based on a stress balance principle.
3. The reinforcing structure of claim 1, comprising:
the rod piece is characterized in that a graduated scale is arranged on the surface of one end of the rod piece, which is provided with an external thread, and the graduated scale is used for marking the pressure or the tension in the rod piece.
4. The reinforcing structure of claim 3, comprising:
when the sleeve rotates clockwise when the rod is connected, determining the tension in the rod based on the graduated scale; when the sleeve rotates counterclockwise while connecting the rod, the pressure inside the rod is determined based on the scale.
5. The reinforcing structure of claim 2, comprising:
fixing the node piece on the inner side of a concrete segment based on the connection of the embedded piece and the node piece;
and splicing the two concrete segments of the same ring based on the connection of the second part and the third part of the node piece with the corresponding joint pieces, the connection of the corresponding joint pieces and the rod piece, and the connection of the rod piece and the sleeve.
6. The reinforcing structure of claim 5, comprising:
and splicing the two concrete segments at different ring parallel positions is completed based on the connection between the first part of the node piece and the corresponding joint piece and the connection between the joint piece and the rod piece.
7. The reinforcing structure of claim 5, comprising:
when different concrete segments in the same ring are spliced into a complete ring, the included angle formed by the node piece on the inner side of the first concrete segment and the node piece on the inner side of the last concrete segment in the same ring based on the circle center of the ring is 90 degrees.
8. The reinforcing structure of claim 1, comprising:
the end part of the cylinder of the embedded part is arranged into a circular plane with the radius larger than that of the cylinder; and a circular hole with the radius larger than that of the circular plane is arranged in the middle of the top surface of the embedded part.
9. The reinforcing structure of claim 1, comprising:
and a force sensor is arranged in the middle of the rod piece and used for marking the pressure or the tension in the rod piece.
10. A shield tunnel based on a double-link built-up reinforcement structure, characterized in that it is realized to comprise a reinforcement structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480959.6A CN114135312B (en) | 2021-12-06 | 2021-12-06 | Double-connecting-rod assembled reinforcing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480959.6A CN114135312B (en) | 2021-12-06 | 2021-12-06 | Double-connecting-rod assembled reinforcing structure |
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| Publication Number | Publication Date |
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| CN114135312A CN114135312A (en) | 2022-03-04 |
| CN114135312B true CN114135312B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111480959.6A Active CN114135312B (en) | 2021-12-06 | 2021-12-06 | Double-connecting-rod assembled reinforcing structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333398A (en) * | 1989-06-27 | 1991-02-13 | Okumura Corp | Lining work for tunnel |
| CN106761821A (en) * | 2017-02-16 | 2017-05-31 | 同济大学 | Pin-connected panel tunnel enhancing structure |
| CN108868820A (en) * | 2018-09-30 | 2018-11-23 | 西南石油大学 | A kind of soft soil foundation shield tunnel subsidence control structure and application method |
| CN213016369U (en) * | 2020-09-12 | 2021-04-20 | 安徽皖新市政工程有限公司 | Transverse elliptical deformation resistant shield tunnel reinforcing structure with embedded steel plates |
| CN113294188A (en) * | 2021-05-31 | 2021-08-24 | 中国科学院武汉岩土力学研究所 | Anti-floating and anti-permeability device and method for underwater shield tunnel |
-
2021
- 2021-12-06 CN CN202111480959.6A patent/CN114135312B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333398A (en) * | 1989-06-27 | 1991-02-13 | Okumura Corp | Lining work for tunnel |
| CN106761821A (en) * | 2017-02-16 | 2017-05-31 | 同济大学 | Pin-connected panel tunnel enhancing structure |
| CN108868820A (en) * | 2018-09-30 | 2018-11-23 | 西南石油大学 | A kind of soft soil foundation shield tunnel subsidence control structure and application method |
| CN213016369U (en) * | 2020-09-12 | 2021-04-20 | 安徽皖新市政工程有限公司 | Transverse elliptical deformation resistant shield tunnel reinforcing structure with embedded steel plates |
| CN113294188A (en) * | 2021-05-31 | 2021-08-24 | 中国科学院武汉岩土力学研究所 | Anti-floating and anti-permeability device and method for underwater shield tunnel |
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|---|---|
| CN114135312A (en) | 2022-03-04 |
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