CN219344710U - Seam waterproof structure of shield tunnel section of jurisdiction - Google Patents
Seam waterproof structure of shield tunnel section of jurisdiction Download PDFInfo
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- CN219344710U CN219344710U CN202320200556.XU CN202320200556U CN219344710U CN 219344710 U CN219344710 U CN 219344710U CN 202320200556 U CN202320200556 U CN 202320200556U CN 219344710 U CN219344710 U CN 219344710U
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- waterproof
- shield tunnel
- seam
- joint
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a seam waterproof structure of a shield tunnel segment, which comprises a shield tunnel segment and a seam waterproof structure, wherein the shield tunnel segment is provided with an upstream surface and a downstream surface, a seam is formed between two adjacent shield tunnel segments, and the seam waterproof structure is arranged on one side of the upstream surface of the shield tunnel segment, wherein the seam waterproof structure comprises a waterproof plate and a waterproof plug, and the waterproof plate is attached to the upstream surfaces of the two shield tunnel segments on two sides of the seam so as to cover the seam; the waterproof plug is arranged on one side of the waterproof plate facing the upstream surface, and the waterproof plug is embedded into the joint so as to seal the joint. According to the utility model, the joint waterproof structure is arranged on one side of the upstream surface of the shield tunnel segment, underground water seepage is isolated outside the joint through the waterproof plate, the underground water seepage is prevented from penetrating into the tunnel through the joint, and the drying inside the tunnel is ensured.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a joint waterproof structure of a shield tunnel segment.
Background
The shield tunnel lining structure is formed by splicing arc-shaped duct pieces into rings along the circumferential direction through bolts and then longitudinally splicing the duct pieces through bolts between the rings. Joints exist between the duct pieces in the circumferential direction or the longitudinal direction. The shield tunnel is buried in the stratum and is surrounded by underground water, and due to the characteristic of multiple joints of the segment lining structure, joint water resistance becomes a key point and a difficult point of the segment lining structure water resistance.
Existing seam waterproofing structures are typically flashing strips that are embedded in the seam to prevent permeate water from flowing inward along the seam and into the tunnel. But the infiltration water still can get into the tunnel through the gap or the pore between waterproof strip and the shield tunnel section of jurisdiction after entering the seam, and the infiltration water can lead to the shield tunnel section of jurisdiction structure of seam both sides loose moreover, aggravates the seepage of groundwater.
Disclosure of Invention
The utility model mainly aims to provide a joint waterproof structure of a shield tunnel segment, and aims to provide a joint waterproof structure of a shield tunnel segment, which can isolate underground water outside a joint formed by two adjacent shield tunnel segments, so as to prevent the underground water from entering a tunnel through the joint and ensure the structural stability of the shield tunnel segment at the joint.
In order to achieve the above object, the present utility model provides a seam waterproof structure of a shield tunnel segment, comprising:
shield tunnel section of jurisdiction and seam waterproof construction, shield tunnel section of jurisdiction has upstream face and back of the body, two adjacent shield tunnel section of jurisdiction between be formed with the seam, seam waterproof construction locates shield tunnel section of jurisdiction's upstream face one side, wherein, seam waterproof construction includes:
the waterproof plates are adhered to the upstream surfaces of the two shield tunnel segments at two sides of the joint so as to cover the joint; the method comprises the steps of,
the waterproof plug is arranged on one side of the waterproof plate facing the upstream surface, and the waterproof plug is embedded into the joint so as to seal the joint.
Preferably, both side walls of the joint are coated with putty, and the waterproof plug is matched with the joint and presses the putty so that the putty forms a first sealing layer between the joint and the waterproof plug.
Preferably, a plurality of first bonding teeth are arranged on two side walls of the waterproof plug, and the first bonding teeth are matched with the putty and squeeze the putty so that the waterproof plug is partially embedded into the first sealing layer.
Preferably, the plurality of first bonding teeth are disposed obliquely toward the upstream surface.
Preferably, the shield tunnel segment is provided with an engagement groove at a position corresponding to the side edge of the waterproof plate, the engagement groove is provided with an opening, and the side edge of the waterproof plate passes through the opening and is embedded into the engagement groove.
Preferably, the engagement groove is arranged obliquely to the joint direction.
Preferably, the inner wall of the scarf joint groove is coated with putty, and the side edge of the waterproof board is matched with the scarf joint groove and presses the putty, so that a second sealing layer is formed between the scarf joint groove and the side edge of the waterproof board by the putty.
Preferably, a plurality of second bonding teeth are arranged on the upper side and the lower side of the side edge of the waterproof board, and the second bonding teeth are matched with the putty and squeeze the putty so that the side edge of the waterproof board is partially embedded into the second sealing layer.
Preferably, the second bonding teeth are inclined toward the middle of the waterproof board.
Preferably, the waterproof board is made of ethylene propylene diene monomer rubber.
The technical scheme of the utility model provides a seam waterproof structure of a shield tunnel segment, which comprises a shield tunnel segment and a seam waterproof structure, wherein the shield tunnel segment is provided with an upstream surface and a downstream surface, a seam is formed between two adjacent shield tunnel segments, the seam waterproof structure is arranged on one side of the upstream surface of the shield tunnel segment in order to prevent underground water seepage from entering the seam, and specifically, the seam waterproof structure comprises a waterproof plate and a waterproof plug, and the waterproof plate is attached to the upstream surfaces of the two shield tunnel segments on two sides of the seam so as to cover the seam; the waterproof plug is arranged on one side of the waterproof plate facing the upstream surface, and the waterproof plug is embedded into the joint so as to seal the joint. According to the utility model, the seam waterproof structure is arranged on one side of the upstream surface of the shield tunnel segment, so that underground water seepage is isolated outside the seam, the underground water seepage is prevented from penetrating into the tunnel through the seam, and the drying inside the tunnel is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a seam waterproof structure of a shield tunnel segment according to the present utility model;
FIG. 2 is a schematic view of the waterproof plug and the first bonding teeth in FIG. 1;
fig. 3 is a schematic structural view of the waterproof board of fig. 1 with side edges embedded in shield tunnel segments;
fig. 4 is a schematic structural view of a side edge of the waterproof board and a second bonding tooth in fig. 3;
fig. 5 is an enlarged schematic view of the side edge of the waterproof board and the second sealing layer in fig. 3.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1000 | Seam waterproof structure of shield tunnel segment | 14 | |
| 1 | |
2 | |
| 11 | Upstream surface of |
21 | |
| 12 | Back surface of water | 3 | |
| 13 | |
31 | First bonding tooth |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The shield tunnel lining structure is formed by splicing arc-shaped duct pieces into rings along the circumferential direction through bolts and then longitudinally splicing the duct pieces through bolts between the rings. Joints exist between the duct pieces in the circumferential direction or the longitudinal direction. The shield tunnel is buried in the stratum and is surrounded by underground water, and due to the characteristic of multiple joints of the segment lining structure, joint water resistance becomes a key point and a difficult point of the segment lining structure water resistance.
Existing seam waterproofing structures are typically flashing strips that are embedded in the seam to prevent permeate water from flowing inward along the seam and into the tunnel. But the infiltration water still can get into the tunnel through the gap or the pore between waterproof strip and the shield tunnel section of jurisdiction after entering the seam, and the infiltration water can lead to the shield tunnel section of jurisdiction structure of seam both sides loose moreover, aggravates the seepage of groundwater.
In order to solve the above problems, the present utility model provides a seam waterproof structure 1000 of a shield tunnel segment, which aims to provide a seam waterproof structure 1000 of a shield tunnel segment capable of isolating underground water outside a seam formed by two adjacent shield tunnel segments, so as to prevent underground water from entering a tunnel through the seam and ensure the structural stability of the shield tunnel segment at the seam, wherein fig. 1 to 5 are schematic structural diagrams of an embodiment of the seam waterproof structure 1000 of the shield tunnel segment provided by the present utility model.
Referring to fig. 1 to 2, the present utility model proposes a seam waterproof structure 1000 of a shield tunnel segment, which includes a shield tunnel segment 1 and a seam waterproof structure, wherein the shield tunnel segment 1 has an upstream surface 11 and a downstream surface 12, a seam is formed between two adjacent shield tunnel segments 1, the seam waterproof structure is disposed on one side of the upstream surface 11 of the shield tunnel segment 1, the seam waterproof structure includes a waterproof board 2 and a waterproof plug 3, and the waterproof board 2 is attached to the upstream surfaces 11 of the two shield tunnel segments 1 on two sides of the seam so as to cover the seam; the waterproof plug 3 is arranged on one side of the waterproof board 2 facing the upstream surface 11, and the waterproof plug 3 is embedded in the joint to seal the joint.
The technical scheme of the utility model provides a seam waterproof structure 1000 of a shield tunnel segment, which comprises the shield tunnel segment 1 and the seam waterproof structure, wherein the shield tunnel segment 1 is provided with an upstream surface 11 and a downstream surface 12, the seam is formed between two adjacent shield tunnel segments 1, the seam waterproof structure is arranged on one side of the upstream surface 11 of the shield tunnel segment 1 in order to prevent underground water seepage from entering the seam, and specifically, the seam waterproof structure comprises waterproof plates 2 and waterproof plugs 3, and the waterproof plates 2 are attached to the upstream surfaces 11 of the two shield tunnel segments 1 on two sides of the seam so as to cover the seam; the waterproof plug 3 is arranged on one side of the waterproof board 2 facing the upstream surface 11, and the waterproof plug 3 is embedded in the joint to seal the joint. According to the utility model, the joint waterproof structure is arranged on one side of the upstream surface 11 of the shield tunnel segment 1, underground water seepage is isolated outside the joint through the waterproof plate 2, the underground water seepage is prevented from penetrating into the tunnel through the joint, and the drying inside the tunnel is ensured.
In order to improve the sealability between the seam and the waterproof plug 3, in an embodiment of the present utility model, both side walls of the seam are coated with putty, and then the waterproof plug 3 is inserted into the seam, the waterproof plug 3 is mated with the seam and the putty is pressed, so that a first sealing layer is formed between the seam and the waterproof plug 3 by the putty, to improve the sealability between the waterproof plug 3 and the seam, and to prevent groundwater seepage from entering a tunnel through pores or gaps between the waterproof plug 3 and the seam.
It will be appreciated that, as shown in fig. 2, in order to prevent the waterproof plug 3 from slipping out of the joint, in an embodiment of the present utility model, a plurality of first bonding teeth 31 are provided on both side walls of the waterproof plug 3, and the first bonding teeth 31 are engaged with the putty and press the putty so that the waterproof plug 3 is partially embedded in the first sealing layer, i.e., the first bonding teeth 31, to enhance the stability of the connection relationship between the waterproof plug 3 and the joint.
The first bonding teeth 31 may be disposed perpendicular to the side wall of the shield tunnel segment 1, or may be disposed toward the upstream surface 11, which is not particularly limited in the present utility model. The first bonding teeth 31 are preferably provided toward the upstream surface 11 in the present utility model because the waterproof plug 3 is prevented from being separated from the first sealing layer by providing the first bonding teeth 31 perpendicular to the side wall of the shield tunnel segment 1 and providing the first bonding teeth 31 toward the upstream surface 11.
As shown in fig. 3, it can be understood that, in order to prevent the underground water seepage from flowing into the joint through the gap between the waterproof plate 2 and the shield tunnel segment 1, in an embodiment of the present utility model, an engagement groove 13 is formed at a position of the shield tunnel segment 1 corresponding to the side edge of the waterproof plate 2, the engagement groove 13 has an opening, and the side edge of the waterproof plate 2 passes through the opening and is engaged into the engagement groove 13, so as to seal the joint between the shield tunnel segment 1 and the waterproof plate 2 from the underground water seepage.
As shown in fig. 3 to 4, in order to facilitate insertion of the side edge of the waterproof board 2 into the engagement groove 13, in an embodiment of the present utility model, the engagement groove 13 is inclined toward the joint direction, and the side edge of the waterproof board 2 is also inclined toward the water-facing surface 11, so that the side edge of the waterproof board 3 is easily inserted into the engagement groove 13.
As can be appreciated, in order to enhance the sealability between the side edge of the waterproof board 2 and the caulking groove 13, in an embodiment of the present utility model, the inner wall of the caulking groove 13 is coated with putty, and the side edge of the waterproof board 2 is fitted with the caulking groove 13 and presses the putty so that the putty forms a second sealing layer 14 between the caulking groove 13 and the side edge of the waterproof board 2 to enhance the sealability between the waterproof board 2 and the caulking groove 13, preventing underground water seepage from entering the seam through the fine holes or gaps between the waterproof board 2 and the caulking groove 13.
In order to prevent the side edge of the waterproof board 2 from slipping out of the caulking groove 13, as shown in fig. 4, in an embodiment of the present utility model, a plurality of second bonding teeth 21 are provided on both upper and lower sides of the side edge of the waterproof board 2, the second bonding teeth 21 are engaged with the putty and press the putty so that the side edge of the waterproof board 2, i.e., the second bonding teeth 21, is partially embedded in the second sealing layer 14 to enhance the stability of the connection relationship between the side edge of the waterproof board 2 and the caulking groove 13.
The second bonding teeth 21 may be disposed perpendicular to the side wall of the caulking groove 13, or may be disposed toward the middle of the waterproof board 2, which is not particularly limited in the present utility model. The second bonding teeth 21 are inclined toward the middle of the waterproof board 2, so that the second bonding teeth 21 are preferably inclined toward the middle of the waterproof board 2, since the second sealing layer 14 is prevented from being separated from the side of the waterproof board 2, compared to the case where the second bonding teeth 21 are arranged perpendicular to the side wall of the caulking groove 13.
The waterproof plate 2 and the waterproof plug 3 may be made of plastic or ethylene propylene diene monomer rubber, and the present utility model is not limited thereto. Compared with plastics, ethylene propylene diene monomer rubber has stronger corrosion resistance and ageing resistance, so the ethylene propylene diene monomer rubber is preferably used as the material of the waterproof board 2 and the waterproof plug 3 in the utility model.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The utility model provides a shield constructs seam waterproof construction of tunnel section of jurisdiction, its characterized in that, including shield tunnel section of jurisdiction and seam waterproof construction, shield tunnel section of jurisdiction has upstream face and back-up face, adjacent two be formed with the seam between the shield tunnel section of jurisdiction, seam waterproof construction locates upstream face one side of shield tunnel section of jurisdiction, wherein, seam waterproof construction includes:
the waterproof plates are adhered to the upstream surfaces of the two shield tunnel segments at two sides of the joint so as to cover the joint; the method comprises the steps of,
the waterproof plug is arranged on one side of the waterproof plate facing the upstream surface, and the waterproof plug is embedded into the joint so as to seal the joint.
2. The seam waterproofing structure of shield tunnel segment according to claim 1, wherein both side walls of the seam are coated with a putty, and the waterproof plug is mated with the seam and presses the putty so that the putty forms a first sealing layer between the seam and the waterproof plug.
3. The joint waterproof structure of shield tunnel segment according to claim 2, wherein a plurality of first bonding teeth are provided on both side walls of the waterproof plug, the first bonding teeth are matched with the putty and press the putty so that the waterproof plug is partially embedded in the first sealing layer.
4. A joint waterproof structure of a shield tunnel segment according to claim 3, wherein the plurality of first bonding teeth are arranged obliquely toward the upstream surface.
5. The joint waterproof structure of a shield tunnel segment according to claim 1, wherein an engagement groove is formed in a position of the shield tunnel segment corresponding to a side edge of the waterproof plate, the engagement groove has an opening, and the side edge of the waterproof plate passes through the opening and is embedded into the engagement groove.
6. The joint waterproof structure of a shield tunnel segment according to claim 5, wherein the caulking groove is provided obliquely toward the joint direction.
7. The seam waterproofing structure of shield tunnel segment according to claim 5, wherein the inner wall of the scarf groove is coated with putty, and the side edges of the waterproof plate are matched with the scarf groove and squeeze the putty so that the putty forms a second sealing layer between the scarf groove and the side edges of the waterproof plate.
8. The joint waterproof structure of shield tunnel segment according to claim 7, wherein a plurality of second bonding teeth are provided on upper and lower sides of the side edges of the waterproof board, the second bonding teeth are matched with the putty and press the putty so that the side edges of the waterproof board are partially embedded in the second sealing layer.
9. The seam waterproofing structure of shield tunnel segment according to claim 8, wherein the second bonding teeth are disposed obliquely toward the middle of the waterproof plate.
10. The joint waterproof structure of shield tunnel segment according to claim 1, wherein the waterproof plate is made of ethylene propylene diene monomer rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200556.XU CN219344710U (en) | 2023-02-09 | 2023-02-09 | Seam waterproof structure of shield tunnel section of jurisdiction |
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|---|---|---|---|
| CN202320200556.XU CN219344710U (en) | 2023-02-09 | 2023-02-09 | Seam waterproof structure of shield tunnel section of jurisdiction |
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| CN219344710U true CN219344710U (en) | 2023-07-14 |
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| CN202320200556.XU Active CN219344710U (en) | 2023-02-09 | 2023-02-09 | Seam waterproof structure of shield tunnel section of jurisdiction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117868912A (en) * | 2024-03-13 | 2024-04-12 | 河南隧通机械有限公司 | Shield tunnel segment water stop ring device |
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2023
- 2023-02-09 CN CN202320200556.XU patent/CN219344710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117868912A (en) * | 2024-03-13 | 2024-04-12 | 河南隧通机械有限公司 | Shield tunnel segment water stop ring device |
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