CN217460239U - Pier connection structure is assembled in prefabrication under water - Google Patents
Pier connection structure is assembled in prefabrication under water Download PDFInfo
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- CN217460239U CN217460239U CN202221446389.9U CN202221446389U CN217460239U CN 217460239 U CN217460239 U CN 217460239U CN 202221446389 U CN202221446389 U CN 202221446389U CN 217460239 U CN217460239 U CN 217460239U
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Abstract
The utility model relates to a pier joint construction is assembled in prefabrication under water, waterproof coupling assembling of segment section seam crossing under segment section and the pier on locating the pier, the grout bed is located waterproof coupling assembling, waterproof coupling assembling includes the steel sheet groove, the grafting steel sheet, fixed steel sheet, the steel sheet groove winding is in segment section outer wall bottom on the pier, fixed steel sheet winding is at segment section outer wall top under the pier, be equipped with the lug that inserts the steel sheet inslot on the grafting steel sheet, it has the round welding seam to weld between grafting steel sheet bottom and the fixed steel sheet, between the segment section on steel sheet groove and the pier, all paste between the segment section under fixed steel sheet and the pier and have the rubber waterstop, the gap intussuseption between lug and the steel sheet groove is filled with soft rubber. The utility model discloses can provide dry environment for pier splice joint department for a long time, guarantee that the pier becomes load and seismic action such as wave, wave current under, pier splice joint opening can not corroded by the sea water, has improved the durability of pier structure greatly, for the application of the pier of assembling of prefabricating under water provides the condition.
Description
Technical Field
The utility model relates to a bridge technical field is assembled in the prefabrication, especially relates to a pier joint construction is assembled in prefabrication under water.
Background
The prefabricated bridge assembly technology is one of the common bridge rapid construction technologies, main components such as a bridge girder and a bridge pier are manufactured in a factory and mechanically assembled on a construction site, so that the construction quality is high, the safety is good, the construction period is short, the labor force is less, the noise generated in the construction process is reduced, the requirements of environment-friendly and green construction are met, and the prefabricated bridge assembly technology becomes one of the main development directions of bridge engineering construction.
The prefabricated bridge pier assembly technology is one of the commonly used prefabricated bridge assembly technologies, is applied more on land and less in deep water. Taking the prefabricated assembled bridge pier connected by the grouting sleeve as an example, the prefabricated assembled bridge pier has splicing seams between the bearing platform and the prefabricated bridge pier and between the bridge pier and the bridge pier segment. The splicing seam can generate opening deformation under the action of variable load and earthquake such as wave and wave current. The openings of the joints can cause seawater to flow into the splicing joints to corrode the reinforcing steel bars, so that the bonding force between the reinforcing steel bars and the grouting sleeves is reduced, and the durability of the bridge pier is reduced.
Therefore, in order to further popularize the application of the prefabricated assembled pier, the construction advantages of the prefabricated assembled pier in a deepwater area are exerted, and the problem of durability of the prefabricated assembled pier needs to be solved.
Disclosure of Invention
The utility model discloses aim at solving prior art's not enough, and provide a pier joint construction is assembled in prefabrication under water.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: an underwater prefabricated spliced pier connection structure comprises a plurality of reinforcing steel bars pre-embedded on a lower section of a pier, a plurality of grouting sleeves pre-embedded on an upper section of the pier, wherein the reinforcing steel bars are inserted into the grouting sleeves, grouting materials are filled in the grouting sleeves, a grouting layer is arranged at a joint between the upper section of the pier and the lower section of the pier, the underwater prefabricated spliced pier connection structure also comprises a waterproof connection assembly arranged at the joint between the upper section of the pier and the lower section of the pier, the grouting layer is positioned in the waterproof connection assembly, the waterproof connection assembly comprises a steel plate groove, a spliced steel plate and a fixed steel plate, the steel plate groove is wound at the bottom of the outer wall of the upper section of the pier, the fixed steel plate is wound at the top of the outer wall of the lower section of the pier, a lug inserted into the steel plate groove is arranged on the spliced steel plate, a circle of welding line is welded between the bottom of the spliced steel plate groove and the upper section of the pier, and rubber water stop belts are respectively adhered between the fixed steel plate and the lower section of the pier, and soft rubber is filled in a gap between the lug and the steel plate groove.
In particular, the fixed steel plate is a square steel pipe.
Particularly, the steel plate groove is a square steel pipe with one side hollowed out.
Particularly, the cross sections of the splicing steel plate and the lug are in an inverted L shape.
Particularly, the steel plate grooves are embedded in the upper sections of the piers, and the fixed steel plates are embedded in the lower sections of the piers.
Particularly, the section of the pier is circular, and the waterproof connecting assembly is circular.
Particularly, the section of the pier is rectangular, and the waterproof connecting assembly is rectangular.
Particularly, the steel plate groove, the inserting steel plate and the fixed steel plate are divided into two parts along the diameter of the pier.
Particularly, the steel plate groove, the inserting steel plate and the fixed steel plate are divided into two parts along the diagonal line of the pier.
The steel plate groove is divided into a first steel plate groove part and a second steel plate groove part, the splicing steel plate is divided into a first splicing steel plate part and a second splicing steel plate part, the fixing steel plate is divided into a first fixing steel plate part and a second fixing steel plate part, the first steel plate groove part and the second steel plate groove part, the first splicing steel plate part and the second splicing steel plate part, and the rubber water stop belts and the fixed connection are adhered between the splitting sections of the first fixing steel plate part and the second fixing steel plate part.
The utility model has the advantages that: the utility model discloses a set up waterproof coupling assembling, can provide dry environment for pier splice joint department for a long time, guarantee the pier under wave, wave current wait variable load and seismic action, pier splice joint opening can not corroded by the sea water, has improved the durability of pier structure greatly, provides the condition for the application of prefabricating under water and assembling the pier.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic position diagram of a first part of the splicing steel plate and a second part of the splicing steel plate, a first part of the steel plate groove and a second part of the steel plate groove of the invention;
FIG. 3 is a schematic view of the position of the first portion of the fixed steel plate and the second portion of the fixed steel plate according to the present invention;
in the figure: 1-a waterproof connection assembly; 11-steel plate groove; 111-steel plate groove first portion; 112-steel plate groove second portion; 12-soft rubber; 13-a bump; 14-splicing steel plates; 141-splicing the steel plate first part; 142-splicing a steel plate second part; 15-fixing a steel plate; 151-fixing the steel plate first portion; 152-fixing the steel plate second part; 16-a weld; 17-rubber waterstops;
2-upper section of bridge pier; 21-grouting a sleeve; 22-grouting material; 23-grouting layer;
3-lower section of bridge pier; 31-reinforcing steel bars;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-3, a pier connection structure is assembled in prefabrication under water, including a plurality of pre-buried reinforcing bars 31 on section 3 under the pier, a plurality of pre-buried grout sleeve 21 on section 2 on the pier, reinforcing bar 31 inserts in grout sleeve 21, grout material 22 is filled in grout sleeve 21, and the seam crossing between section 2 and section 3 under the pier is equipped with grout layer 23 on the pier, still including locating waterproof coupling assembling 1 of section 3 seam crossing under section 2 and the pier on the pier, grout layer 23 is located waterproof coupling assembling 1, section 3 is fixed through grout material 22 and grout layer 23 and is pour fixedly under section 2 and the pier on the pier, waterproof coupling assembling 1's setting can provide the closed environment for the pier seam crossing, avoid receiving seawater corrosion after the seam crossing ftractures, the durability of pier structure has been improved greatly.
Waterproof coupling assembling 1 includes steel sheet groove 11, grafting steel sheet 14, fixed steel sheet 15, steel sheet groove 11 winding is in 2 outer wall bottoms of section of thick bamboo on the pier, fixed steel sheet 15 winding is at 3 outer wall tops of section of thick bamboo under the pier, be equipped with the lug 13 that inserts in steel sheet groove 11 on the grafting steel sheet 14, welded round welding seam 16 between 14 bottoms of grafting steel sheet and the fixed steel sheet 15, between section 2 on steel sheet groove 11 and the pier, all paste under fixed steel sheet 15 and the pier between section 3 and have rubber waterstop 17, rubber waterstop 17's setting can play waterproof effect, the gap intussuseption between lug 13 and the steel sheet groove 11 is filled with soft rubber 12, soft rubber 12's setting can provide certain deformation space and play waterproof effect for grafting steel sheet 14.
The fixed steel plate 15 is a square steel pipe, specifically, the steel thickness is 1cm, the section width is 8cm, and the height is 20 cm; the steel plate groove 11 is a square steel pipe with one side hollowed, specifically, the steel material has a thickness of 1cm, a cross section width of 8cm, a height of 20cm and a hollowed height of 10 cm; the section of the splicing steel plate 14 and the lug 13 is in an inverted L shape; the steel plate groove 11 is embedded in the upper section 2 of the pier, and the fixed steel plate 15 is embedded in the lower section 3 of the pier.
When the section of the pier is circular, the waterproof connecting assembly 1 is annular, and the steel plate groove 11, the splicing steel plate 14 and the fixed steel plate 15 are divided into two parts along the diameter of the pier; specifically, the steel plate groove 11 is divided into a steel plate groove first part 111 and a steel plate groove second part 112, the splicing steel plate 14 is divided into a splicing steel plate first part 141 and a splicing steel plate second part 142, the fixing steel plate 15 is divided into a fixing steel plate first part 151 and a fixing steel plate second part 152, rubber water stops 17 are adhered and fixedly connected between the sections of the steel plate groove first part 111 and the steel plate groove second part 112, the splicing steel plate first part 141 and the splicing steel plate second part 142, and the fixing steel plate first part 151 and the fixing steel plate second part 152, the rubber water stops 17 are used for better stopping water on the divided sections, and the fixedly connected mode can adopt bolt fixedly connected mode, welding mode or buckle mode and the like to realize tight connection.
When the section of the pier is rectangular, the waterproof connecting assembly 1 is rectangular, and the steel plate groove 11, the inserting steel plate 14 and the fixed steel plate 15 are divided into two parts along the diagonal line of the pier; specifically, the steel plate groove 11 is divided into a steel plate groove first part 111 and a steel plate groove second part 112, the splicing steel plate 14 is divided into a splicing steel plate first part 141 and a splicing steel plate second part 142, the fixing steel plate 15 is divided into a fixing steel plate first part 151 and a fixing steel plate second part 152, rubber water stops 17 are adhered and fixedly connected between the sections of the steel plate groove first part 111 and the steel plate groove second part 112, the splicing steel plate first part 141 and the splicing steel plate second part 142, and the fixing steel plate first part 151 and the fixing steel plate second part 152, the rubber water stops 17 are used for better stopping water on the divided sections, and the fixedly connected mode can adopt bolt fixedly connected mode, welding mode or buckle mode and the like to realize tight connection.
The utility model discloses during operation, with the butt joint of section 2 and the lower section 3 of pier on the pier, reinforcing bar 31 inserts in grout sleeve 21, then install two parts of steel sheet groove 11 on section 2 on the pier, paste rubber waterstop 17 between two part cross sections, then assemble into complete steel sheet groove 11, the fixed mode of assembling can adopt bolt fastening, welded fastening or buckle fastening etc. install fixed steel sheet 15 on section 3 under the pier in the same way, when steel sheet groove 11 and fixed steel sheet 15 were installed, paste rubber waterstop 17 between with the pier outer wall and do waterproofly, steel sheet groove 11 intussuseption is filled with soft rubber 12, insert lug 13 on grafting steel sheet 14 in steel sheet groove 11, full weld grafting steel sheet 14 and fixed steel sheet 15 form welding seam 16, make waterproof coupling assembling 1 internal closure; and then pouring grouting material 22 into the grouting sleeve 21, forming a grouting layer 23 at the joint of the pier upper section 2 and the pier lower section 3, and protecting the grouting layer 23 by the waterproof connecting assembly 1.
The utility model discloses a set up waterproof coupling assembling, can provide dry environment for pier splice joint department for a long time, guarantee the pier under wave, wave current wait variable load and seismic action, pier splice joint opening can not corroded by the sea water, has improved the durability of pier structure greatly, provides the condition for the application of prefabricating under water and assembling the pier.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides an underwater prefabrication and assembly pier connection structure, including a plurality of pre-buried reinforcing bars (31) on section (3) under the pier, a plurality of pre-buried grout sleeve (21) on section (2) on the pier, reinforcing bar (31) insert in grout sleeve (21), grout material (22) is filled in grout sleeve (21), and the seam crossing between section (3) is equipped with grout layer (23) under pier upper segment (2) and the pier, the utility model is characterized in that, still include waterproof coupling assembling (1) of section (3) seam crossing under pier (2) and the pier, grout layer (23) are located waterproof coupling assembling (1), waterproof coupling assembling (1) includes steel sheet groove (11), grafting steel sheet (14), fixed steel sheet (15), steel sheet groove (11) twine in section (2) outer wall bottom under the pier, fixed steel sheet (15) twine in section (3) outer wall top under the pier, the splicing steel plate (14) is provided with a convex block (13) inserted into the steel plate groove (11), a circle of welding line (16) is welded between the bottom of the splicing steel plate (14) and the fixed steel plate (15), rubber water stops (17) are respectively stuck between the steel plate groove (11) and the upper section (2) of the bridge pier and between the fixed steel plate (15) and the lower section (3) of the bridge pier, and soft rubber (12) is filled in a gap between the convex block (13) and the steel plate groove (11).
2. The underwater prefabricated pier connection structure according to claim 1, wherein the fixed steel plates (15) are square steel pipes.
3. The underwater prefabricated pier connection structure according to claim 2, wherein the steel plate groove (11) is a square steel pipe with one side hollowed out.
4. The underwater prefabricated pier connection structure according to claim 3, wherein the cross-sections of the inserted steel plates (14) and the projections (13) are inverted L-shaped.
5. The underwater prefabricated pier connection structure according to claim 4, wherein the steel plate groove (11) is embedded in the upper pier segment (2), and the fixed steel plate (15) is embedded in the lower pier segment (3).
6. The underwater prefabricated assembled pier connection structure according to claim 4, wherein the section of the pier is circular, and the waterproof connection assembly (1) is annular.
7. The underwater prefabricated assembled pier connection structure according to claim 4, wherein the section of the pier is rectangular, and the waterproof connection assembly (1) is rectangular.
8. The underwater prefabricated pier connection structure according to claim 6, wherein the steel plate groove (11), the insertion steel plate (14) and the fixing steel plate (15) are divided into two parts along the diameter of the pier.
9. The underwater prefabricated pier connection structure according to claim 7, wherein the steel plate groove (11), the insertion steel plate (14) and the fixing steel plate (15) are divided into two parts along a diagonal line of the pier.
10. The underwater prefabricated pier connection structure according to claim 8 or 9, wherein the steel plate groove (11) is divided into a first steel plate groove portion (111) and a second steel plate groove portion (112), the inserted steel plate (14) is divided into a first inserted steel plate portion (141) and a second inserted steel plate portion (142), the fixed steel plate (15) is divided into a first fixed steel plate portion (151) and a second fixed steel plate portion (152), and rubber water stops (17) are adhered and fixedly connected between the sub-sections of the first steel plate groove portion (111), the second steel plate groove portion (112), the first inserted steel plate portion (141), the second inserted steel plate portion (142), the first fixed steel plate portion (151) and the second fixed steel plate portion (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221446389.9U CN217460239U (en) | 2022-06-10 | 2022-06-10 | Pier connection structure is assembled in prefabrication under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221446389.9U CN217460239U (en) | 2022-06-10 | 2022-06-10 | Pier connection structure is assembled in prefabrication under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460239U true CN217460239U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221446389.9U Active CN217460239U (en) | 2022-06-10 | 2022-06-10 | Pier connection structure is assembled in prefabrication under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217460239U (en) |
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2022
- 2022-06-10 CN CN202221446389.9U patent/CN217460239U/en active Active
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