CN212452273U - Replaceable high-strength prefabricated assembled pier - Google Patents
Replaceable high-strength prefabricated assembled pier Download PDFInfo
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- CN212452273U CN212452273U CN202022100314.2U CN202022100314U CN212452273U CN 212452273 U CN212452273 U CN 212452273U CN 202022100314 U CN202022100314 U CN 202022100314U CN 212452273 U CN212452273 U CN 212452273U
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- prefabricated
- pier stud
- wedge blocks
- sleeve
- prefabricated pier
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- 238000009417 prefabrication Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000010276 construction Methods 0.000 abstract description 22
- 238000011161 development Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a pier is assembled in removable prefabrication that excels in, be in including cushion cap, setting prefabricated pier stud on the cushion cap to and arrange the bent cap on prefabricated pier stud, prefabricated pier stud's upper and lower end respectively with pre-buried fixed the linking structure that links into whole in cushion cap and bent cap, linking structure is including pre-buried in cushion cap or bent cap and one end open-ended sleeve, has arranged a plurality of fixed blocks on telescopic inner wall, the inboard surface of all fixed blocks matches male cavity around forming the upper end or the lower extreme that can supply prefabricated pier stud jointly. Compared with the prior art, the utility model discloses the light weight height of structure, construction method is simple, convenient operation, and to the bridge pier stud of shaking the back and destroying, can realize quick replacement, in time resumes the traffic, and good resilience performance after shaking has very important meaning to the economic development of society.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, a pier is assembled in removable prefabrication that excels in is related to.
Background
In recent years, the rapid development of the traffic infrastructure of China, particularly urban expressways, has the important position of urban viaducts, great construction requirements put forward higher requirements on construction quality and construction efficiency, the construction method for casting concrete on site has long maintenance period and large field operation amount, and can greatly influence the surrounding environment and traffic. At present, more and more concrete bridge members are manufactured and processed in factories, and the concrete bridge members are transported to a bridge site for assembly after being manufactured, so that the site operation is greatly reduced, the construction progress is accelerated, the rapid construction is realized, and the influence on the periphery of a project is reduced.
Earthquake disasters directly damage lives and properties of people and safety of social economy, bridge engineering is used as an important component of modern transportation life, and bridge damage causes great difficulty in disaster relief and increases difficulty in rescue work after disasters. Under the new situation, the economic society of China is rapidly developed, people and properties are highly concentrated, basic facilities and lifeline engineering are more and more sophisticated and complex, and the whole society puts higher requirements on earthquake disaster prevention, reduction and relief. In order to meet the performance requirements of the nation and the society on the bridge after the earthquake and consider the bridge structure in many aspects, a novel bridge earthquake-resistant system needs to be established, so that the bridge earthquake-resistant system has the functions of quick recovery and replaceable components.
The seismic performance of the bridge structure depends on the seismic performance of the bridge piers to a great extent, the bridge piers are also the most easily damaged components under the action of earthquakes, and the good recovery performance of the replaceable bridge piers after the earthquakes has very important significance for the economic development of the society.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pier is assembled in removable prefabrication that excels in, the light weight height of structure, construction method is simple, convenient operation, and to the bridge pier stud of shaking the back destruction, can realize quick replacement, in time resumes the traffic, and good resilience performance has very important meaning to the economic development of society after shaking.
The purpose of the utility model can be realized through the following technical scheme:
on the one hand, the utility model provides a pier is assembled in removable prefabrication that excels in, be in including cushion cap, setting prefabricated pier stud on the cushion cap to and arrange the bent cap on prefabricated pier stud, prefabricated pier stud's upper and lower end respectively with pre-buried fixed being even into whole in cushion cap and bent cap's joint construction, the joint construction includes pre-buried in cushion cap or bent cap and one end open-ended sleeve, has arranged a plurality of fixed blocks on telescopic inner wall, the inboard surface of all fixed blocks is jointly around forming upper end or the lower extreme matching male cavity that can supply prefabricated pier stud.
Furthermore, the prefabricated pier stud consists of an inner steel pipe, an outer steel pipe sleeved outside the inner steel pipe and concrete poured between the inner steel pipe and the outer steel pipe, wherein the central axes of the inner steel pipe and the outer steel pipe are overlapped.
Furthermore, the connection structure further comprises an inner wedge block and an outer wedge block, the position number of the inner wedge block corresponds to that of the outer wedge block, the inner wedge block is fixed on the outer surface of the prefabricated pier stud, when the prefabricated pier stud is inserted into the sleeve, the inner wedge block correspondingly inserts a gap between the two fixed blocks, and the space between the inner wedge block and the inner wall of the sleeve is fixedly provided with the outer wedge block so that the prefabricated pier stud is fixedly connected with the sleeve. The vertical lifting force of the pier stud can be decomposed into horizontal force through the gradient between the inner wedge block and the outer wedge block, vertical static friction force can be generated between the outer wedge block and the inner wall of the sleeve due to the existence of the horizontal force, the vertical lifting force of the pier stud is resisted, and the pier stud is fixed on the sleeve.
Furthermore, the inner wedge block is matched with the gap between two adjacent fixed blocks along the circumferential width of the prefabricated pier stud.
Furthermore, the slope of the outer wedge block is the same as that of the inner wedge block.
Still further preferably, the slope of the outer wedge-shaped block and the inner wedge-shaped block is 5-15 degrees.
Furthermore, the connection structure further comprises an annular cover plate, the annular cover plate is provided with a middle through hole through which the prefabricated pier stud can pass, the end part of the fixing block is further provided with a reserved bolt hole, the annular cover plate is further provided with a connection through hole corresponding to and matched with the position of the reserved bolt hole, and the connection through hole and the reserved bolt hole are respectively passed through the connection bolt, so that the annular cover plate can be detached and fixedly covered at the opening position of the sleeve to clamp the outer wedge block, the prefabricated pier stud and the connection structure are fixed, and the prefabricated pier stud and the connection structure cannot be separated or rotated.
Still further preferably, the inner diameter of the annular cover plate is larger than the outer diameter of the prefabricated pier stud, and the outer diameter of the annular cover plate is larger than the outer diameter of the sleeve.
Furthermore, shear nails are welded on the outer side of the sleeve.
Furthermore, the open end of the sleeve is flush with the upper surface of the bearing platform and the lower surface of the cover beam respectively.
Compared with the prior art, the utility model has the advantages of it is following:
(1) and (4) manufacturing and processing in a factory, and transporting the fabricated components to a bridge site for assembly after the fabrication is finished, so that the construction progress is accelerated, the rapid construction is realized, and the influence on the periphery of the project is reduced.
(2) The quick replacement can be realized for the bridge pier column damaged after the earthquake, the traffic can be recovered in time, and the good recovery performance after the earthquake has very important significance for the economic development of the society.
(3) The structure is light and high in strength, the construction method is simple, the operation is convenient, the construction efficiency is high, and the structural durability can meet the requirements.
(4) From the perspective of the long-term social development, the method has good economy.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the circled portion of FIG. 1;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view C-C of FIG. 3;
FIG. 6 is a schematic plan view of an annular cover plate;
the notation in the figure is:
1-bearing platform, 2-prefabricated pier stud, 201-outer steel pipe, 202-concrete, 203-inner steel pipe, 3-capping beam, 4-sleeve, 5-shear nail, 6-fixed block, 7-reserved bolt hole, 8-outer wedge block, 9-inner wedge block, 10-annular cover plate, 11-connecting bolt and 12-connecting through hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, functional components or structures that are not specifically described are all conventional components or structures used in the art to achieve the corresponding functions.
Please refer to fig. 1 to 6 and show, the utility model provides a pier is assembled in removable prefabrication that excels in, including cushion cap 1, setting prefabricated pier stud 2 on the cushion cap 1 to and arrange bent cap 3 on prefabricated pier stud 2, prefabricated pier stud 2 the upper and lower end respectively with pre-buried connection structure in cushion cap 1 and bent cap 3 fixed even whole, connection structure includes pre-buried in cushion cap 1 or bent cap 3 and one end open-ended sleeve 4, arranged a plurality of fixed blocks 6 on the inner wall of sleeve 4, the inboard surface of all fixed blocks 6 matches male cavity around forming the upper end or the lower extreme that can supply prefabricated pier stud 2 jointly.
In a specific embodiment, referring to fig. 1 again, the prefabricated pier 2 is composed of an inner steel pipe 203, an outer steel pipe 201 sleeved outside the inner steel pipe 203, and concrete 202 poured between the inner steel pipe 203 and the outer steel pipe 201, wherein the central axes of the inner steel pipe 203 and the outer steel pipe 201 are coincident. The concrete 202 may be concrete having ultra-high strength and the like, which is commonly used in the art.
In a specific embodiment, please refer to fig. 2 again, the connection structure further includes inner wedge blocks 9 and outer wedge blocks 8, the number of the positions of the inner wedge blocks 9 corresponds to that of the outer wedge blocks 8, the inner wedge blocks 9 are fixed on the outer surface of the prefabricated pier stud 2, when the prefabricated pier stud 2 is inserted into the sleeve 4, the inner wedge blocks 9 are inserted into the gap between the two fixing blocks 6, and the outer wedge blocks 8 are further fixedly placed in the space between the inner wedge blocks 9 and the inner wall of the sleeve 4, so that the prefabricated pier stud 2 is connected and fixed with the sleeve 4. The vertical lifting force of the pier stud can be decomposed into horizontal force through the gradient between the inner wedge block and the outer wedge block, vertical static friction force can be generated between the outer wedge block and the inner wall of the sleeve due to the existence of the horizontal force, the vertical lifting force of the pier stud is resisted, and the pier stud is fixed on the sleeve.
In a more specific embodiment, the width of the inner wedge-shaped block 9 along the circumferential direction of the prefabricated pier stud 2 is matched with the gap between two adjacent fixing blocks 6.
In a more specific embodiment, the outer wedge 8 and the inner wedge 9 have the same slope.
In a further specific embodiment, the slope of the outer wedge 8 and the inner wedge 9 is 5-15 °.
In a more specific embodiment, please refer to fig. 2 to 6 again, the connection structure further includes an annular cover plate 10, the annular cover plate 10 has a middle through hole for the prefabricated pier stud 2 to pass through, the end of the fixing block 6 is further provided with a reserved bolt hole 7, the annular cover plate 10 is further provided with a connection through hole 12 correspondingly matched with the reserved bolt hole 7, and the connection through hole 12 and the reserved bolt hole 7 are respectively passed through by a connection bolt 11, so that the annular cover plate 10 is detachably and fixedly covered at the opening of the sleeve 4, and further the outer wedge block 8 is clamped, so that the prefabricated pier stud 2 and the connection structure are fixed, and the phenomena of detachment or rotation and the like do not occur.
In a further specific embodiment, the inner diameter of the annular cover plate 10 is larger than the outer diameter of the prefabricated pier stud 2, and the outer diameter of the annular cover plate 10 is larger than the outer diameter of the sleeve 4.
In a specific embodiment, a shear pin 5 is welded to the outer side of the sleeve 4.
In a specific embodiment, the open ends of the sleeves 4 are flush with the upper surface of the platform 1 and the lower surface of the cap 3, respectively.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to specific examples.
Example 1:
please refer to fig. 1 to 6, this embodiment provides a replaceable high-strength prefabricated assembled pier, which includes a bearing platform 1, a prefabricated pier stud 2 disposed on the bearing platform 1, and a cap beam 3 disposed on the prefabricated pier stud 2, wherein the upper and lower ends of the prefabricated pier stud 2 are respectively fixed and connected with a connection structure pre-embedded in the bearing platform 1 and the cap beam 3 to form a whole, the connection structure includes a sleeve 4 pre-embedded in the bearing platform 1 or the cap beam 3 and having an open end, a plurality of fixing blocks 6 are disposed on the inner wall of the sleeve 4, and the inner side surfaces of all the fixing blocks 6 jointly surround to form a cavity into which the upper end or the lower end of the prefabricated pier stud 2 can be inserted in a matching manner.
Referring to fig. 1 again, the prefabricated pier stud 2 is composed of an inner steel pipe 203, an outer steel pipe 201 sleeved outside the inner steel pipe 203, and concrete 202 poured between the inner steel pipe 203 and the outer steel pipe 201, wherein central axes of the inner steel pipe 203 and the outer steel pipe 201 are coincident.
As shown in fig. 2, the connection structure further includes inner wedge blocks 9 and outer wedge blocks 8, the inner wedge blocks 9 correspond to the outer wedge blocks 8 in number, the inner wedge blocks 9 are fixed on the outer surface of the prefabricated pier stud 2, when the prefabricated pier stud 2 is inserted into the sleeve 4, the inner wedge blocks 9 are correspondingly inserted into a gap between the two fixing blocks 6, the outer wedge blocks 8 are further fixedly placed in a space between the inner wedge blocks 9 and the inner wall of the sleeve 4, so that the prefabricated pier stud 2 is fixedly connected with the sleeve 4, and the width of the inner wedge blocks 9 along the circumferential direction of the prefabricated pier stud 2 is matched with the gap between the two adjacent fixing blocks 6. The slope of the outer wedge-shaped block 8 is the same as that of the inner wedge-shaped block 9, and preferably, the slope of the outer wedge-shaped block 8 is 5-15 degrees with respect to that of the inner wedge-shaped block 9.
Referring to fig. 2 to 6 again, the connecting structure further includes an annular cover plate 10, the annular cover plate 10 has a middle through hole through which the prefabricated pier stud 2 can pass, the end of the fixing block 6 is further provided with a reserved bolt hole 7, the annular cover plate 10 is further provided with a connecting through hole 12 corresponding to the reserved bolt hole 7, and the connecting through hole 12 and the reserved bolt hole 7 are respectively passed through by a connecting bolt 11, so that the annular cover plate 10 is detachably fixed at the opening of the sleeve 4 to clamp the outer wedge block 8, and the prefabricated pier stud 2 and the connecting structure are fixed without the occurrence of phenomena of detachment or rotation.
The inner diameter of the annular cover plate 10 is larger than the outer diameter of the prefabricated pier stud 2, and the outer diameter of the annular cover plate 10 is larger than the outer diameter of the sleeve 4. And shear nails 5 which laterally extend into the bearing platform 1 or the cap beam 3 are welded on the outer side of the sleeve 4.
The open end of the sleeve 4 is flush with the upper surface of the bearing platform 1 and the lower surface of the cover beam 3 respectively.
The construction method of the replaceable high-strength prefabricated assembled pier comprises the following steps:
step 1: and prefabricating and maintaining the prefabricated pier stud 2 and the bent cap 3 in a factory.
Step 2: after the construction of the bearing platform 1 on the construction site is completed, the prefabricated components are conveyed to the site, the prefabricated pier stud 2 is assembled, the lower end of the prefabricated pier stud 2 is aligned and then inserted into the sleeve 4 in the bearing platform 1, the outer wedge block 8 is inserted, the annular cover plate 10 is covered, the connecting through hole 12 is aligned with the reserved bolt hole 7, and then the connecting bolt 11 is screwed. After the two prefabricated pier studs 2 are constructed, assembling the bent cap 3, aligning the upper ends of the prefabricated pier studs 2, inserting the upper ends of the prefabricated pier studs into the sleeves 4 in the bent cap 3, inserting the outer wedge blocks 8, covering the annular cover plate 10, aligning the connecting through holes 12 with the reserved bolt holes 7, and screwing the connecting bolts 11. After construction, the joint structure can be coated with an anticorrosive material, such as epoxy resin.
And step 3: under the action of accidental load or earthquake load, after the pier stud is damaged, the pier stud 22 is prefabricated in a factory according to the original size, and then the damaged pier stud is replaced by transporting the pier stud to a bridge site.
The utility model discloses in can decompose the vertical pulling force of pier stud into the horizontal force through the cooperation between the interior outer wedge, because the existence of horizontal force, can produce vertical stiction between outer wedge and the sleeve inner wall, resist the vertical pulling force of pier stud to be fixed in on the sleeve with the pier stud. The mechanical connection can ensure the reliability of pier stud nodes, energy can be dissipated by small sliding between components under the action of an earthquake, and quick replacement of the damaged pier stud can be realized.
The utility model provides a pair of pier is assembled in removable prefabrication that excels in, the advantage lies in:
(1) and (4) manufacturing and processing in a factory, and transporting the fabricated components to a bridge site for assembly after the fabrication is finished, so that the construction progress is accelerated, the rapid construction is realized, and the influence on the periphery of the project is reduced.
(2) The quick replacement can be realized for the bridge pier column damaged after the earthquake, the traffic can be recovered in time, and the good recovery performance after the earthquake has very important significance for the economic development of the society.
(3) The structure is light and high in strength, the construction method is simple, the operation is convenient, the construction efficiency is high, and the structural durability can meet the requirements.
(4) From the perspective of the long-term social development, the method has good economy.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a pier is assembled in removable prefabrication that excels in, its characterized in that is in including cushion cap, setting prefabricated pier stud on the cushion cap to and arrange the bent cap on prefabricated pier stud, prefabricated pier stud's upper and lower end respectively with pre-buried fixed the linking structure of linking into a whole in cushion cap and bent cap, linking structure includes pre-buried in cushion cap or bent cap and one end open-ended sleeve, has arranged a plurality of fixed blocks on telescopic inner wall, the inboard surface of all fixed blocks is around forming the upper end or the lower extreme matching male cavity that can supply prefabricated pier stud jointly.
2. The replaceable high-strength prefabricated assembled pier according to claim 1, wherein the prefabricated pier column consists of an inner steel pipe, an outer steel pipe sleeved outside the inner steel pipe, and concrete poured between the inner steel pipe and the outer steel pipe, wherein the central axes of the inner steel pipe and the outer steel pipe are coincident.
3. The replaceable high-strength prefabricated assembled pier according to claim 1, wherein the connection structure further comprises inner wedge blocks and outer wedge blocks, the number of the inner wedge blocks corresponds to that of the outer wedge blocks, the inner wedge blocks are fixed on the outer surface of the prefabricated pier stud, when the prefabricated pier stud is inserted into the sleeve, the inner wedge blocks are correspondingly inserted into a gap between the two fixed blocks, and the outer wedge blocks are fixedly placed in a space between the inner wedge blocks and the inner wall of the sleeve, so that the prefabricated pier stud is fixedly connected with the sleeve.
4. The replaceable high-strength prefabricated assembling pier according to claim 3, wherein the width of the inner wedge blocks along the circumferential direction of the prefabricated pier column is matched with the gap between two adjacent fixing blocks.
5. The replaceable high-strength precast assembled pier according to claim 3, wherein the outer wedge blocks and the inner wedge blocks have the same gradient.
6. The replaceable high-strength precast split pier according to claim 5, wherein the slope of the outer wedge blocks and the slope of the inner wedge blocks are 5-15 °.
7. The replaceable high-strength prefabricated assembled pier according to claim 3, wherein the connecting structure further comprises an annular cover plate, the annular cover plate is provided with a middle through hole through which the prefabricated pier stud can pass, a reserved bolt hole is formed in the end portion of the fixing block, a connecting through hole correspondingly matched with the position of the reserved bolt hole is formed in the annular cover plate, and the connecting through hole and the reserved bolt hole are respectively passed through by connecting bolts, so that the annular cover plate can be detachably fixed and covered at the opening position of the sleeve.
8. The replaceable high-strength prefabricated assembly pier according to claim 7, wherein the inner diameter of the annular cover plate is larger than the outer diameter of the prefabricated pier stud, and the outer diameter of the annular cover plate is larger than the outer diameter of the sleeve.
9. The replaceable high-strength prefabricated assembly pier according to claim 1, wherein shear nails are welded to the outer side of the sleeve.
10. The replaceable high-strength prefabricated assembly pier as claimed in claim 1, wherein the open ends of the sleeves are flush with the upper surface of the bearing platform and the lower surface of the cap beam respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100314.2U CN212452273U (en) | 2020-09-23 | 2020-09-23 | Replaceable high-strength prefabricated assembled pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100314.2U CN212452273U (en) | 2020-09-23 | 2020-09-23 | Replaceable high-strength prefabricated assembled pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212452273U true CN212452273U (en) | 2021-02-02 |
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ID=74473766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022100314.2U Expired - Fee Related CN212452273U (en) | 2020-09-23 | 2020-09-23 | Replaceable high-strength prefabricated assembled pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212452273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575317A (en) * | 2023-07-10 | 2023-08-11 | 湖南大学 | Connection structure and connection method of capping beam and bridge pier |
-
2020
- 2020-09-23 CN CN202022100314.2U patent/CN212452273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575317A (en) * | 2023-07-10 | 2023-08-11 | 湖南大学 | Connection structure and connection method of capping beam and bridge pier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |