CN211948550U - Flexible pipe gallery connects and city utility tunnel - Google Patents
Flexible pipe gallery connects and city utility tunnel Download PDFInfo
- Publication number
- CN211948550U CN211948550U CN201922494890.7U CN201922494890U CN211948550U CN 211948550 U CN211948550 U CN 211948550U CN 201922494890 U CN201922494890 U CN 201922494890U CN 211948550 U CN211948550 U CN 211948550U
- Authority
- CN
- China
- Prior art keywords
- flexible
- joint
- pipe gallery
- joint body
- flexible joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a flexible pipe gallery connects and city utility tunnel relates to city utility pipe network technical field for solve the lower problem of joint strength of piping lane tube coupling of piping lane joint. The utility model relates to a flexible pipe gallery connects, include: the flexible joint comprises a flexible joint body, wherein at least two grooves are formed in the flexible joint body and can be respectively in sealing connection with two adjacent pipe joints of a pipe gallery; a plurality of fasteners capable of being threaded into the flexible joint body; a plurality of mounting panels, a plurality of mounting panels are located the edge respectively the both sides of the opening direction of recess, two relative settings the mounting panel is through a plurality of the fastener is connected, with will two adjacent tube coupling of piping lane press from both sides tightly.
Description
Technical Field
The utility model relates to a city utility pipe network technical field especially relates to a flexible pipe gallery connects and city utility tunnel.
Background
According to the structural design of the urban comprehensive pipe gallery engineering specification (GB 50838-; in addition, "when reliable foundation, also can adopt other joint structures that can guarantee prefabricated utility tunnel structure security, suitability and durability of assembling when still prescribing a limit to. "illustrate that the configuration of a piping lane joint needs to meet the requirements for its safety, applicability and durability.
Because the position of the pipe gallery joint is the position with higher shearing probability and lower shearing resistance in the construction and use processes of the pipe gallery, the pipe gallery joint is easy to have structural damage. The existing pipe gallery joints mainly comprise butt joints, socket joints, tongue-and-groove joints, single/double rubber ring joints, steel socket joints, joints with longitudinal restraint and combined joints. The connecting strength of the pipe rack joints to the pipe rack pipe joints is low, and the waterproof effect of the pipe rack joints is poor; and the butt joint and the tongue-and-groove joint are easy to deform, the construction difficulty of other joints is high, and/or the precision requirement and the manufacturing requirement on the joints are high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flexible pipe gallery connects and city utility tunnel for solve prior art well piping lane joint to the lower problem of joint strength of piping lane tube coupling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a flexible pipe gallery connects, include: the flexible joint comprises a flexible joint body, wherein at least two grooves are formed in the flexible joint body and can be respectively in sealing connection with two adjacent pipe joints of a pipe gallery; a plurality of fasteners capable of being threaded into the flexible joint body; a plurality of mounting panels, a plurality of mounting panels are located the edge respectively the both sides of the opening direction of recess, two relative settings the mounting panel is through a plurality of the fastener is connected, with will two adjacent tube coupling of piping lane press from both sides tightly.
Optionally, the plurality of mounting plates comprises: the built-in mounting plate is positioned in the flexible joint body, and the fastener is a built-in bolt; the external mounting panel, set up on the external mounting panel a plurality of with fastener complex mounting hole, the one end of fastener with built-in mounting panel all connects, the other end of fastener all wears out the inner wall of flexible joint body, and be located the outside of flexible joint body.
Optionally, the flexible joint body is formed by splicing a plurality of flexible joint body sections end to end.
Optionally, both ends of a plurality of the flexible joint body segments are provided with a horse tooth socket, and the horse tooth socket at the end of one flexible joint body segment can be spliced with the horse tooth socket at the end of another flexible joint body segment.
Optionally, the flexible joint body is a corner-haunched rectangle, and the plurality of flexible joint body segments comprises: a plurality of strip-shaped piping lane joint sections; four right angle piping lane joint sections, adjacent two the concatenation has one or more between the right angle piping lane joint section bar piping lane joint section.
Optionally, the flexible joint body is i-shaped in cross-section.
Optionally, the contact surface of the external mounting plate and the flexible joint body is a frosted surface.
Optionally, the method further comprises: the adhesive layer can bond the external mounting plate with the contact surface of the flexible joint body.
The second aspect, the utility model provides a city utility tunnel, including a plurality of tube joints that connect gradually, adjacent two the tube joint passes through above-mentioned technical scheme flexible pipe gallery articulate.
The embodiment of the utility model provides a flexible pipe gallery connects and city utility tunnel, adopt flexible pipe gallery articulate in the city utility tunnel two adjacent pipe festival, with a recess and a tube coupling sealing connection of flexible joint body, again with another adjacent tube coupling and another recess sealing connection of flexible joint body, later because the fastener can wear to locate flexible joint this internally, and a plurality of mounting panels are located the both sides along the opening direction of recess respectively, connect per two mounting panels through a plurality of fasteners, can press from both sides two adjacent tube couplings of above-mentioned piping lane tightly. Compared with the prior art, the connection and matching of the mounting plates and the fasteners in the embodiment of the utility model realizes the clamping of the two pipe joints which are connected in a sealing way with the flexible pipe gallery joint, and the clamping force of the mounting plates on the two pipe joints is reliable, so that the connecting force of the two pipe joints is larger, the operation is simple, and the construction speed is high; meanwhile, the plurality of mounting plates can press the flexible pipe gallery joints on the wall surfaces of the pipe joints, the fasteners apply pre-pressure to the flexible pipe gallery joints through the connecting plates, so that the flexible joint bodies between the mounting plates press the wall surfaces of the pipe joints, the shearing resistance of the flexible pipe gallery joints is further improved, the flexible pipe gallery joints can be effectively prevented from being dislocated or turned under external force, and when the flexible pipe gallery joints deform, the joint gaps can be automatically compensated, a good sealing effect is achieved, a good waterproof effect is achieved, the influence on the waterproof capacity of the flexible pipe gallery joints under the action of water pressure can be avoided, the problem of waterproof failure of the flexible pipe gallery joints under the action of shearing force is effectively avoided, and the structural waterproof failure caused by the shearing force generated by the flexible pipe gallery joints under the action of ground crack movement, uneven settlement of a foundation, earthquake and the like can be resisted, the condition of repeated maintenance and 'road zipper' of the flexible pipe gallery connector is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic connection diagram of pipe joints in an urban underground comprehensive pipe gallery according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a flexible pipe gallery joint according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a right-angled pipe gallery joint section in a flexible pipe gallery joint according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a right-angled pipe gallery joint segment in a flexible pipe gallery joint according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a strip-shaped pipe gallery joint section in a flexible pipe gallery joint according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a strip-shaped piping lane joint segment in a flexible piping lane joint according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a mounting plate in a flexible pipe gallery joint according to an embodiment of the present invention;
fig. 8 is one of the flow diagrams of the construction method of the urban underground comprehensive pipe gallery according to the embodiment of the present invention;
fig. 9 is a second schematic flow chart of the construction method of the urban underground utility tunnel according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, "and/or" is only one kind of association relation describing the association object, and means that there may be three kinds of relations, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1 to 3, a flexible pipe gallery connector 1 according to an embodiment of the present invention includes a flexible connector body 11, a plurality of fasteners 12, and a plurality of mounting plates 13, wherein the flexible connector body 11 is provided with at least two grooves 101, and the at least two grooves 101 can be respectively connected with two adjacent pipe joints 100 of a pipe gallery in a sealing manner; the fastener 12 can be arranged in the flexible joint body 11 in a penetrating way; a plurality of mounting plates 13 (refer to two or more mounting plates) are respectively located on both sides in the opening direction of the groove 101, and each two of the mounting plates 13 disposed oppositely are connected by a plurality of fasteners 12 to clamp the adjacent two pipe joints 100.
When adopting flexible pipe gallery joint 1 to connect two adjacent tube couplings 100 in the city utility tunnel, with a recess 101 and a tube coupling sealing connection of flexible joint body 11, again with another adjacent tube coupling and another recess 101 sealing connection of flexible joint body 11, later because fastener 12 can wear to locate in flexible joint body 11, and a plurality of mounting panels 13 are located respectively along the both sides of the opening direction of recess 101, connect per two mounting panels 13 through a plurality of fasteners 12, can press from both sides two adjacent tube couplings 100 of above-mentioned tube gallery tightly. Compared with the prior art, the connection and matching of the mounting plates 13 and the fasteners 12 in the embodiment of the present invention realizes the clamping of the two pipe joints 100 which are hermetically connected with the flexible pipe gallery connector 1, and the clamping force of the mounting plates 13 on the two pipe joints 100 is reliable, so that the connecting force of the two pipe joints 100 is large, and the operation is simple and the construction speed is fast; meanwhile, the plurality of mounting plates 13 can press the flexible pipe gallery connector 1 on the wall surface of the pipe joint 100, the fastener 12 applies pre-pressure to the flexible pipe gallery connector 1 through the connecting plate, so that the flexible connector bodies 11 between the mounting plates 13 press the wall surfaces of the pipe joint 100, the shearing resistance of the flexible pipe gallery connector 1 is further improved, the flexible pipe gallery connector 1 can be effectively prevented from being dislocated or turned under the action of external force, when the flexible pipe gallery connector 1 deforms, the connector gaps can be automatically compensated, a good sealing effect is achieved, a good waterproof effect is achieved, the influence of water pressure on the waterproof capacity of the flexible pipe gallery connector 1 can be avoided, the problem of waterproof failure when the flexible pipe gallery connector 1 is subjected to shearing force is effectively avoided, the structural waterproof failure caused by the shearing force generated by the actions of earthquake crack movement, uneven settlement of a foundation, the flexible pipe gallery connector 1 and the like can be resisted, the condition that the flexible pipe gallery connector 1 is repeatedly maintained and a 'road zipper' is avoided.
Further, the plurality of mounting plates 13 include an internal mounting plate 131 and an external mounting plate 132, wherein the internal mounting plate 131 is located in the flexible joint body 11, the fastening members 12 are internal bolts, the external mounting plate 132 is provided with a plurality of mounting holes 1320 matched with the fastening members 12, one ends of the fastening members 12 are connected to the internal mounting plate 131, and the other ends of the fastening members 12 penetrate through the inner wall of the flexible joint body 11 and are located outside the flexible joint body 11, as shown in fig. 2, 4, 6 and 7; when two pipe joints 100 are fixed at flexible pipe gallery joint 1, only need align the tip of a plurality of fasteners 12 with mounting hole 1320 on external mounting panel 132, and wear out mounting hole 1320 on external mounting panel 132 with the tip of a plurality of fasteners 12, be connected nut 14 with fastener 12 again, can compress tightly two pipe joints 100 through external mounting panel 132 and built-in mounting panel 131, form reliable packing force, mounting panel 13 only needs the inboard installation at the pipe gallery, easy dismounting operation, only need go on inside the pipe gallery during maintenance, effectively avoided maintaining the excavation of pipe gallery upper portion, the maintenance degree of difficulty has been reduced, has better suitability. Compared with the scheme that a plurality of mounting plates 13 are located outside the flexible joint body 11, the flexible joint body 11 is provided with connecting holes matched with the fasteners 12, when the flexible pipe gallery joint 1 fixes two pipe joints 100, one mounting plate 13 needs to be placed on the outer side wall of the pipe joint 100 first, meanwhile, the mounting holes 1320 in the mounting plate 13 are aligned with the connecting holes in the flexible joint body 11, then bolts with nuts sequentially penetrate into the mounting holes 1320 and the connecting holes from the outer side of the mounting plate 13, then the mounting holes 1320 in the other mounting plate 13 are aligned with the bolts in the inner side of the flexible pipe gallery joint 1, the bolts penetrate into the mounting holes 1320, and then the two mounting plates 13 are pressed on the outer walls of the two pipe joints 100 through the nuts, so that the disassembly and assembly operations are troublesome, and the maintenance difficulty is high. Specifically, the fastening member 12 is a friction-type high-strength bolt, and can apply a large pre-pressure to clamp the two mounting plates 13 and the flexible joint body 11, so as to generate a large friction force, thereby improving the integrity and rigidity of the flexible pipe gallery joint 1.
Further, the flexible joint body 11 of the flexible pipe gallery joint 1 is formed by splicing a plurality of flexible joint body sections 1101 end to end, and the flexible joint body sections 1101 are changed in length, so that the flexible pipe gallery joint 1 is applicable to connection of pipe joints 100 of different sizes, and the application range of the flexible pipe gallery joint 1 is wide, and the construction difficulty of connection of the flexible pipe gallery joint 1 and the pipe joints 100 is reduced. In addition, the pre-stress exerted by the mounting plate 13 effectively connects the plurality of flexible joint body segments 1101 together to a high degree of integrity.
In order to increase the joining force of the plurality of flexible joint body segments 1101, both ends of the plurality of flexible joint body segments 1101 are provided with a teething groove 102, and the teething groove 102 of the end of one flexible joint body segment 1101 can be spliced with the teething groove 102 of the end of another flexible joint body segment 1101, as shown in fig. 2 to 6. Of course, other slot shapes may be used, such as a dovetail slot at one end of the flexible joint body 1101 and a protrusion on the other end of the flexible joint body 1101 that mates with the dovetail slot. Compare in the dovetail, the number of teeth of horse tooth groove 102 is more, and the leakproofness is better, improves the waterproof performance of flexible piping lane joint 1.
For a scheme in which the flexible pipe gallery joint 1 is a corner-haunched rectangle, the plurality of flexible joint body segments 1101 includes four right angle pipe gallery joint segments 1101a and a plurality of bar-shaped pipe gallery joint segments 1101b, wherein one or more bar-shaped pipe gallery joint segments 1101b are spliced between two adjacent right angle pipe gallery joint segments 1101a, as shown in fig. 2, by changing the length or number of the bar-shaped pipe gallery joint segments 1101b, the flexible pipe gallery joint 1 can be adapted to the connection of pipe joints 100 of different sizes.
The cross section of the flexible joint body 11 is i-shaped, as shown in fig. 3 and 5, the i-shaped flexible joint body 11 includes an outer annular seal ring, an inner annular seal ring, and an annular connection seal ring connecting the outer annular seal ring and the inner annular seal ring, the annular connection seal ring is located on a pipe wall central line of the outer annular seal ring and a pipe wall central line of the inner annular seal ring, and the annular connection seal ring is perpendicular to the outer annular seal ring and the inner annular seal ring, so that two grooves 101 are formed on two sides of the annular connection seal ring, two adjacent pipe joints 100 can be respectively clamped in the two grooves 101 of the flexible pipe gallery joint 1, the installation is convenient, and the manufacturing and forming are easy. Specifically, the flexible joint body 11 is integrally formed by using a rubber material. Of course, the two grooves 101 on the flexible joint body 11 may not be aligned completely, that is, the two grooves 101 are overlapped in the vertical direction, and may be suitable for the working condition that the two pipe joints 100 have a certain included angle.
In some possible embodiments, the contact surface of the external mounting plate 132 and the flexible joint body 11 is a frosted surface, and the friction between the frosted surface of the external mounting plate 132 and the flexible joint body 11 is relatively large, so that an overall stress can be formed, and the shear resistance of the external mounting plate 132 is improved. The built-in mounting plate 131 and the external mounting plate 132 are both steel plates.
Further, still have the gluing layer between the contact surface of above-mentioned external mounting panel 132 and flexible joint body 11, can further improve the power of being connected of external mounting panel 132 and flexible joint body 11 through the gluing layer.
The embodiment of the utility model provides a still disclose a city utility tunnel, including a plurality of tube coupling 100 that connect gradually, adjacent two tube coupling 100 connects through having adopted above-mentioned all flexible pipe gallery joints 1. Since the flexible pipe gallery joint 1 installed in the urban underground comprehensive pipe gallery of the embodiment has the same structure as the part of the flexible pipe gallery joint 1 provided in each embodiment, the two can solve the same technical problem and achieve the same expected effect.
Referring to fig. 8, the embodiment of the present invention further provides a construction method for the urban underground utility tunnel in the above embodiment, including the following steps:
step S101: one pipe joint is clamped into one groove of the flexible joint body, and the other pipe joint is clamped into the other groove of the flexible joint body;
step S102: each two oppositely disposed mounting plates are connected by a plurality of fasteners to clamp adjacent two pipe sections.
Further, to above-mentioned a plurality of mounting panels 13 including built-in mounting panel 131 and external mounting panel 132, wherein, built-in mounting panel 131 is located flexible joint body 11, fastener 12 is built-in bolt, external mounting panel 132 is last to have seted up a plurality of mounting holes 1320 with fastener 12 complex, the one end and built-in mounting panel 131 of a plurality of fasteners 12 are all connected, the inner wall of flexible joint body 11 is all worn out to the other end of a plurality of fasteners 12, and be located the scheme in the outside of flexible joint body 11, the aforesaid is connected every two mounting panels that set up relatively through a plurality of fasteners to press from both sides two adjacent tube couplings of piping lane and specifically include:
place the inboard at the flexible joint body with external mounting panel, a plurality of fasteners in the flexible pipe gallery joint correspond respectively and wear out a plurality of mounting holes and be connected with external mounting panel to through the nut with the cooperation of being connected of fastener in order to press from both sides two adjacent tube couplings tightly.
Further, after the above-mentioned connecting each two oppositely arranged mounting plates by a plurality of fasteners to clamp two adjacent pipe joints, the method further comprises:
step S103: and bonding each external mounting plate with the contact surface of the flexible joint body.
To the cross-section of the tube coupling 100 in some city utility tunnel and flexible pipe gallery joint 1 be the rectangle that the bight haunches to flexible joint body 11 in the flexible pipe gallery joint 1 is by the scheme that four right angle pipe gallery joint sections 1101a and a plurality of bar pipe gallery joint sections 1101b concatenation formed, refer to fig. 9, the aforesaid is gone into a tube coupling into a recess of flexible joint body, goes into another tube coupling into another recess of flexible joint body and specifically includes:
step S201: correspond the joint with 4 angles of a tube coupling with a recess of four right angle piping lane joint sections in a flexible piping lane joint.
Step S202: one or more bar piping lane joint sections of joint between two adjacent right angle piping lane joint sections to correspond the joint with a recess and the above-mentioned tube coupling of every right angle piping lane joint section.
Step S203: correspond the joint respectively with another recess in another tube coupling and four right angle piping lane joint sections and a plurality of bar piping lane joint sections.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A flexible pipe gallery joint, comprising:
the flexible joint comprises a flexible joint body, wherein at least two grooves are formed in the flexible joint body and can be respectively in sealing connection with two adjacent pipe joints of a pipe gallery;
a plurality of fasteners capable of being threaded into the flexible joint body;
a plurality of mounting panels, a plurality of mounting panels are located the edge respectively the both sides of the opening direction of recess, every two are relative to be set up the mounting panel is through a plurality of the fastener is connected, with will two adjacent tube coupling of piping lane press from both sides tightly.
2. The flexible pipe gallery joint of claim 1, wherein the plurality of mounting plates includes:
the built-in mounting plate is positioned in the flexible joint body, and the fastener is a built-in bolt;
the external mounting panel, set up on the external mounting panel a plurality of with fastener complex mounting hole, the one end of fastener with built-in mounting panel all connects, the other end of fastener all wears out the inner wall of flexible joint body, and be located the outside of flexible joint body.
3. A flexible pipe gallery joint according to claim 1 or 2 wherein the flexible joint body is formed from a plurality of flexible joint body sections spliced end to end.
4. A flexible pipe gallery joint as claimed in claim 3 wherein a plurality of said flexible joint body sections are provided with a lug socket at each end, the lug socket of an end of one said flexible joint body section being capable of mating with the lug socket of an end of another said flexible joint body section.
5. The flexible pipe gallery joint of claim 3 wherein said flexible joint body is a corner haunched rectangle, a plurality of said flexible joint body segments comprising:
a plurality of strip-shaped piping lane joint sections;
four right angle piping lane joint sections, adjacent two the concatenation has one or more between the right angle piping lane joint section bar piping lane joint section.
6. The flexible pipe gallery joint of claim 1, wherein the flexible joint body is i-shaped in cross section.
7. The flexible pipe gallery joint of claim 2, wherein a contact surface on the circumscribing mounting plate with the flexible joint body is a frosted surface.
8. The flexible pipe gallery joint of claim 2, further comprising:
the adhesive layer can bond the external mounting plate with the contact surface of the flexible joint body.
9. An urban underground utility tunnel, comprising a plurality of pipe joints which are connected in sequence, wherein two adjacent pipe joints are connected through the flexible pipe gallery joint as claimed in any one of the claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922494890.7U CN211948550U (en) | 2019-12-31 | 2019-12-31 | Flexible pipe gallery connects and city utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922494890.7U CN211948550U (en) | 2019-12-31 | 2019-12-31 | Flexible pipe gallery connects and city utility tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211948550U true CN211948550U (en) | 2020-11-17 |
Family
ID=73181917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922494890.7U Active CN211948550U (en) | 2019-12-31 | 2019-12-31 | Flexible pipe gallery connects and city utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211948550U (en) |
-
2019
- 2019-12-31 CN CN201922494890.7U patent/CN211948550U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022099876A1 (en) | Fabricated subway station and construction method therefor | |
| CN105256838A (en) | Pipe gallery prefabricated members and prefabricated comprehensive pipe gallery | |
| CN104947714A (en) | End sealing door structure for immersed tube tunnel | |
| KR101613466B1 (en) | Concrete pipe structural repair reinforcement construction method and structure constructed by the same | |
| CN211948550U (en) | Flexible pipe gallery connects and city utility tunnel | |
| CN111058480A (en) | Urban underground comprehensive pipe gallery and construction method thereof | |
| CN110670633B (en) | Immersed tube tunnel joint connection method and intelligent monitoring device | |
| CN218669386U (en) | Shield constructs dual stagnant water structure of section of jurisdiction joint sealing strip and waterstop | |
| KR20120033616A (en) | Steel pipe propulsion method using steel beam | |
| CN107763323B (en) | Steel corrugated pipe spliced by penetrating lap joint method | |
| CN104405976B (en) | Earth's surface shallow embedding formula pipe connecting structure | |
| CN208748692U (en) | A kind of pipe gallery with high-intensitive interface | |
| CN212561613U (en) | Sealing assembly for pipe gallery cross joint | |
| CN212774333U (en) | Flange joint antiseep steel corrugated plate structure | |
| CN211259997U (en) | Corrugated expansion joint special for ground belt | |
| CN211948549U (en) | City utility tunnel | |
| CN103672239A (en) | Flange plate | |
| CN211312940U (en) | Assembled combination wallboard structure | |
| CN203796277U (en) | Composite pipe piece bolt hand hole layout structure | |
| CN101749513B (en) | Sealing gaskets of Hafu joint | |
| CN203176581U (en) | Lining plastic compound steel pipe | |
| CN219690494U (en) | Static pressure steel pipe flange | |
| CN214500393U (en) | Corrugated plate reinforced anti-leakage flange structure | |
| CN213063612U (en) | Prefabricated rectangular cable tunnel | |
| CN214614190U (en) | Corrugated plate splicing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |