CN202428540U - Shear key cushion layer at immersed tunnel joint - Google Patents
Shear key cushion layer at immersed tunnel joint Download PDFInfo
- Publication number
- CN202428540U CN202428540U CN2011204734684U CN201120473468U CN202428540U CN 202428540 U CN202428540 U CN 202428540U CN 2011204734684 U CN2011204734684 U CN 2011204734684U CN 201120473468 U CN201120473468 U CN 201120473468U CN 202428540 U CN202428540 U CN 202428540U
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- China
- Prior art keywords
- layer
- sliding layer
- bed course
- shear connector
- shear key
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a shear key cushion layer at an immersed tunnel joint. The shear key cushion layer at the immersed tunnel joint comprises an elastic layer, a metal board and a sliding layer, and is further provided with a metal sliding layer in contact with the sliding layer. The metal sliding layer is made of a stainless steel board or a chromium-plated metal board; and free horizontal sliding between tunnel sections is provided by a low friction coefficient between the metal sliding layer and a high polymer sliding layer. The shear key cushion layer provided by the utility model has the advantages as follows: the vertical compression displacement of the shear key cushion layer can be adjusted due to the groove design of the elastic layer, provides the free horizontal sliding for the shear key cushion layer by using the metal sliding layer, and meets the application requirements of the shear key cushion layer at the joint position between the tunnel sections with the higher requirements of the vertical compression displacement and the free horizontal sliding.
Description
Technical field
This product belongs to immersed tube tunnel tube coupling joint field, particularly relates between tunnel sections and the sections joint and uses the shear connector bed course.
Background technology
The immersed tube tunnel tube coupling adopts the sectional type flexible tube segment; The tube coupling of an immersed tube is made up of several sections, and tube coupling is that assembly line standardization is prefabricated, and each sections is poured into a mould on fixing pedestal; After the maintenance 72 hours; Pushing tow is vacated the cast pedestal forward, the adjacent Matching Precast with the sections that has just ejected of next sections.The joint is connected with regard to needs utilization shear connector bed course between sections and sections.The structure of existing shear connector bed course is as shown in Figure 1, is the dull and stereotyped entity that comprises elastic layer 1, metallic plate 2 and high polymer sliding layer 3, and metallic plate 2 is bonded between elastic layer 1 and the high polymer sliding layer 3, is the layer of metal steel plate layer of putting more energy into; Elastic layer 1 is the with groove entity that macromolecular material such as polyurethane material or the elastomeric material of, good springiness good by ageing-resistant performance is made moulding; Sliding layer 3 is processed by polyfluortetraethylene plate or modified ultra-high molecular weight polyethylene plate.Existing shear connector bed course places at the bottom of the beam between the pre-embedded steel slab and pier, although can realize certain vertical compression displacement, is difficult to realize free horizontal slip.
The utility model content
The utility model has overcome shortcoming of the prior art, and a kind of immersed tube tunnel joint shear connector bed course is provided, and can satisfy the requirement of immersed tube tunnel tube coupling joint to higher vertical compression displacement of shear connector bed course and free horizontal slip.
The technical scheme of the utility model is: a kind of immersed tube tunnel joint shear connector bed course, comprise elastic layer, metallic plate and sliding layer, and also be provided with the metal sliding layer and contact with sliding layer.
Intermetallic metal plate and elastic layer and high polymer sliding layer are bonding, have retrained the free wxpansion of sliding layer and high polymer elastic layer.
Elastic layer is that macromolecular material good by ageing-resistant performance, good springiness is made, and can regulate the vertical compression displacement amount of shear connector bed course better through trench design.
The high polymer sliding layer is processed by polyfluortetraethylene plate or modified ultra-high molecular weight polyethylene plate.
The metal sliding layer is processed by corrosion resistant plate or chrome-plated metal plate, and the low-friction coefficient between metal sliding layer and the high polymer sliding layer provides the free horizontal slip between tunnel sections and the sections.
Compared with prior art; The utility model has the advantages that: through the trench design of elastic layer being regulated the vertical compression displacement amount of shear connector bed course; And utilize the metal sliding layer for the shear connector bed course provides horizontal slip freely, satisfied between tunnel sections with higher vertical compression displacement and free horizontal slip requirement and the sections joint to the application demand of shear connector bed course.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of existing shear connector bed course;
Fig. 2 is the structure and the scheme of installation of the utility model.
The specific embodiment
A kind of immersed tube tunnel joint shear connector bed course, as shown in Figure 2, comprise elastic layer 1, metallic plate 2 and sliding layer 3, also have metal sliding layer 5, contact with sliding layer 3.Metal sliding layer 5 is processed by corrosion resistant plate or chrome-plated metal plate, and metal sliding layer 5 is fixed at the bottom of the beam on the pre-embedded steel slab 6 through welding manner.Built-in fitting 8 is connected the back and is fixed at the bottom of the beam 7 through casting with embedded board 6.Whole shear connector bed course places on the pier 4.
Said elastic layer 1 is processed by macromolecular material, and said macromolecular material is polyurethane material or elastomeric material, on elastic layer 1, also is provided with groove.
Said sliding layer 3 is processed by polyfluortetraethylene plate or modified ultra-high molecular weight polyethylene plate.
Claims (8)
1. an immersed tube tunnel joint shear connector bed course comprises elastic layer, metallic plate and sliding layer, it is characterized in that: also be provided with the metal sliding layer and contact with sliding layer.
2. immersed tube tunnel according to claim 1 joint shear connector bed course is characterized in that: said metal sliding layer is processed by corrosion resistant plate.
3. immersed tube tunnel according to claim 1 joint shear connector bed course is characterized in that: said metal sliding layer is processed by the chrome-plated metal plate.
4. immersed tube tunnel according to claim 1 joint shear connector bed course, it is characterized in that: said elastic layer is processed by macromolecular material.
5. immersed tube tunnel according to claim 4 joint shear connector bed course is characterized in that: said macromolecular material is polyurethane material or elastomeric material.
6. immersed tube tunnel according to claim 1 joint shear connector bed course is characterized in that: on the said elastic layer groove is arranged.
7. immersed tube tunnel according to claim 1 joint shear connector bed course, it is characterized in that: said sliding layer is processed by polyfluortetraethylene plate.
8. immersed tube tunnel according to claim 1 joint shear connector bed course, it is characterized in that: said sliding layer is processed by the modified ultra-high molecular weight polyethylene plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734684U CN202428540U (en) | 2011-11-24 | 2011-11-24 | Shear key cushion layer at immersed tunnel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734684U CN202428540U (en) | 2011-11-24 | 2011-11-24 | Shear key cushion layer at immersed tunnel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428540U true CN202428540U (en) | 2012-09-12 |
Family
ID=46778011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204734684U Expired - Fee Related CN202428540U (en) | 2011-11-24 | 2011-11-24 | Shear key cushion layer at immersed tunnel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103455660A (en) * | 2013-07-24 | 2013-12-18 | 中交公路规划设计院有限公司 | Method for analyzing stiffness influence lines of shear of shear keys of joints of immersed tube tunnel |
| CN108331023A (en) * | 2018-04-17 | 2018-07-27 | 中交公路规划设计院有限公司 | Joints in Immersed Tunnel shear connector spring bed course and its installation method |
-
2011
- 2011-11-24 CN CN2011204734684U patent/CN202428540U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103455660A (en) * | 2013-07-24 | 2013-12-18 | 中交公路规划设计院有限公司 | Method for analyzing stiffness influence lines of shear of shear keys of joints of immersed tube tunnel |
| CN103455660B (en) * | 2013-07-24 | 2016-06-29 | 中交公路规划设计院有限公司 | A kind of stiffness effect provision of on-line analysis methodology of Joints in Immersed Tunnel shear connector shearing |
| CN108331023A (en) * | 2018-04-17 | 2018-07-27 | 中交公路规划设计院有限公司 | Joints in Immersed Tunnel shear connector spring bed course and its installation method |
| CN108331023B (en) * | 2018-04-17 | 2023-06-09 | 中交公路规划设计院有限公司 | Method for installing spring cushion layer of shear key of immersed tube tunnel joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20171124 |