CN220450647U - Pier beam consolidation structure - Google Patents
Pier beam consolidation structure Download PDFInfo
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- CN220450647U CN220450647U CN202321732593.1U CN202321732593U CN220450647U CN 220450647 U CN220450647 U CN 220450647U CN 202321732593 U CN202321732593 U CN 202321732593U CN 220450647 U CN220450647 U CN 220450647U
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- 238000007596 consolidation process Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 210000002435 tendon Anatomy 0.000 claims description 10
- 238000010276 construction Methods 0.000 description 9
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a pier-beam consolidation structure, which relates to the technical field of railway bridges, and comprises a pier, brackets, a first precast beam and a second precast beam, wherein the pier is fixedly arranged on a pile foundation bearing platform; the bracket comprises a first bracket and a second bracket, and the first bracket and the second bracket are symmetrically arranged at two sides of the pier; the first precast beam comprises a first top plate and a first bottom plate, the first bottom plate is arranged on the first bracket, the first top plate is arranged above the first bottom plate, a first gap is arranged between the first top plate and the first bottom plate, and a first filling part is arranged in the first gap; the second precast beam comprises a second top plate and a second bottom plate, the second bottom plate is arranged on a second bracket, the second top plate is arranged above the second bottom plate, a second gap is formed between the second top plate and the second bottom plate, and a second filling part is arranged in the second gap.
Description
Technical Field
The utility model relates to the technical field of railway bridges, in particular to a pier-beam consolidation structure.
Background
The traditional continuous rigid frame pier beam consolidation adopts a cast-in-situ mode, namely, common steel bars are reserved at the pier top and welded or bound with steel bars of the beam body into a whole, and the pier beam consolidation area is reproduced, but the mode needs to set up brackets and templates at two sides of the pier, and enough wet joint sections are reserved at the beam body and the pier top, so that the cast-in-situ concrete volume is large, and the problems of long construction period and high construction cost exist.
Disclosure of Invention
The present utility model aims to provide a pier beam consolidation structure to improve the above problems. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the application provides a pier-beam consolidation structure, which comprises a pier, a bracket, a first precast beam and a second precast beam, wherein the pier is fixedly arranged on a pile foundation bearing platform; the bracket comprises a first bracket and a second bracket, and the first bracket and the second bracket are symmetrically arranged at two sides of the pier; the first precast beam comprises a first top plate and a first bottom plate, the first bottom plate is arranged on the first bracket, the first top plate is arranged above the first bottom plate, a first gap is arranged between the first top plate and the first bottom plate, and a first filling part is arranged in the first gap; the second precast beam comprises a second top plate and a second bottom plate, the second bottom plate is arranged on the second bracket, the second top plate is arranged above the second bottom plate, a second gap is formed between the second top plate and the second bottom plate, and a second filling part is arranged in the second gap.
Optionally, a third gap is provided between the first bottom plate and the second bottom plate, a third filling part is provided in the third gap, and the first bottom plate and the second bottom plate are symmetrically arranged at two sides of the third filling part.
Optionally, supporting parts are arranged between the top of the bridge pier and the bottoms of the first precast beam and the second precast beam, the supporting parts comprise a first supporting part and a second supporting part, and the first supporting part and the second supporting part are symmetrically arranged on two sides of the third filling part.
Optionally, the sum of the widths of the first supporting portion, the second supporting portion and the third filling portion is the same as the width of the bridge pier.
Optionally, a U-shaped groove is formed at one end of the first bottom plate, which is close to the third filling portion, and the depth of the U-shaped groove is the same as the width of the first supporting portion.
Optionally, a fourth gap is provided between the first top plate and the second top plate, a fourth filling part is provided in the fourth gap, and the first top plate and the second top plate are symmetrically arranged at two sides of the fourth filling part.
Optionally, at least one group of prestressing tendons is arranged in the second precast beam, one end of each prestressing tendon is arranged in the first top plate, and the other end of each prestressing tendon is arranged in the second top plate.
Optionally, the second precast beam is fixedly connected with the bridge pier through at least one fixing device, and two adjacent fixing devices are arranged at intervals.
Optionally, the fixing device includes high strength anchor rod, first nut, second nut, gasket, the both ends of high strength anchor rod set up respectively in pier inside and second filling portion inside, first nut with the second nut sets up respectively the both ends portion of high strength anchor rod, the gasket sets up between first nut with the second bottom plate.
Optionally, the one end that the pier is close to the top is provided with pre-buried steel sheet, pre-buried steel sheet and ground parallel arrangement, be provided with at least one through-hole on the pre-buried steel sheet, the through-hole is followed the length direction setting of pre-buried steel sheet.
The beneficial effects of the utility model are as follows:
according to the utility model, the girder structure is prefabricated without erecting brackets and templates on two sides of a bridge pier for cast-in-situ, and meanwhile, more pier top spaces can be reserved for placing the support legs of the bridge girder erection machine by arranging the bracket support girder bodies, so that the problem that the traditional connection mode is not suitable for a bridge girder erection machine prefabrication erection construction method is solved, the construction efficiency is improved, and the construction cost is reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a pier beam consolidation structure according to an embodiment of the present utility model.
FIG. 2 is a cross-sectional view of I-I of FIG. 1, as described in an embodiment of the present utility model.
FIG. 3 is a cross-sectional view of II-II of FIG. 1, as described in an embodiment of the present utility model.
The marks in the figure: 1. bridge piers; 2. a first bracket; 3. a second bracket; 4. a first filling section; 5. a first base plate; 6. a second base plate; 7. a third filling section; 8. a first support portion; 9. a second supporting part; 10. a first top plate; 11. a second top plate; 12. prestress rib; 13. a fourth filling section; 14. a first nut; 15. a gasket; 16. a high-strength anchor rod; 17. embedding a steel plate; 18. a second nut; 19. a second filling portion; 20. a through hole; 21. a U-shaped groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the present embodiment provides a pier-beam consolidation structure, which includes a pier 1, a bracket, a first precast beam and a second precast beam, wherein the pier 1 is fixedly arranged on a pile cap; the bracket comprises a first bracket 2 and a second bracket 3, and the first bracket 2 and the second bracket 3 are symmetrically arranged at two sides of the pier 1; the first precast beam comprises a first top plate 10 and a first bottom plate 5, the first bottom plate 5 is arranged on the first bracket 2, the first top plate 10 is arranged above the first bottom plate 5, a first gap is arranged between the first top plate 10 and the first bottom plate 5, and a first filling part 4 is arranged in the first gap; the second precast beam comprises a second top plate 11 and a second bottom plate 6, the second bottom plate 6 is arranged on the second bracket 3, the second top plate 11 is arranged above the second bottom plate 6, a second gap is formed between the second top plate 11 and the second bottom plate 6, a second filling part 19 is arranged in the second gap, concrete is filled in the first filling part 4 and the second filling part 19, the first top plate 10 and the first bottom plate 5 form an integral structure by filling the first filling part 4 and the second filling part 19, the second top plate 11 and the second bottom plate 6 form an integral structure, more pier top spaces can be reserved for placing support legs of the first bottom plate 5 and the second bottom plate 6 through the first bracket 2 and the second bracket 3, so that the problem that a traditional connecting mode is not suitable for a bridge girder erection machine precast construction method is solved, the construction efficiency is improved, in addition, the traditional method adopts a cast-in-situ method to form a girder structure, the girder structure is formed without erecting supports and templates on two sides of a pier, the construction period is effectively shortened.
In a specific embodiment of the present disclosure, a third gap is provided between the first bottom plate 5 and the second bottom plate 6, a third filling portion 7 is provided in the third gap, the first bottom plate 5 and the second bottom plate 6 are symmetrically provided at two sides of the third filling portion 7, concrete is filled in the third filling portion 7, and a joint between the first bottom plate 5 and the second bottom plate 6 can be connected by filling the third filling portion 7, so that the first bottom plate 5 and the second bottom plate 6 form an integral structure.
In a specific embodiment of the present disclosure, a supporting portion is disposed between the top of the bridge pier 1 and the bottoms of the first precast beam and the second precast beam, the supporting portion includes a first supporting portion 8 and a second supporting portion 9, the first supporting portion 8 and the second supporting portion 9 are symmetrically disposed on two sides of the third filling portion 7, a gap exists between the top of the bridge pier 1 and the bottoms of the first precast beam and the second precast beam, the supporting portion is required to be disposed on the top of the bridge pier 1 for supporting the first precast beam and the second precast beam, and meanwhile, the third filling portion 7 is filled to form an integral structure with the first supporting portion 8 and the second precast beam by connecting seams between the pier top and the first precast beam and the second precast beam, and it is required to be explained that a jack can be disposed on the supporting portion to determine the height of the beam body, and then the height of the beam body is adjusted by grouting mortar.
In one embodiment of the present disclosure, the sum of the widths of the first supporting portion 8, the second supporting portion 9 and the third filling portion 7 is the same as the width of the pier 1 to ensure that the first bracket 2 and the second bracket 3 can be mounted on the pier 1.
As shown in fig. 3, fig. 3 is a cross-sectional view of ii-ii in fig. 1, in a specific embodiment of the present disclosure, a U-shaped groove 21 is disposed at an end of the first bottom plate 5 near the third filling portion 7, the depth of the U-shaped groove 21 is the same as the width of the first supporting portion 8, and the main purpose of disposing the U-shaped groove 21 at the bottom of the first bottom plate 5 is that: 1. the U-shaped groove is large in opening, so that concrete between pier beams can be conveniently poured; 2. more space can be reserved for arranging pier top embedded bars; 3. the jack is convenient for take out after utilizing the jack to carry out the adjustment to the height of roof beam body, in addition, the U-shaped groove is the obtuse angle in this application, is convenient for prefabricate Liang Tuomo.
In one embodiment of the present disclosure, a fourth gap is provided between the first top plate 10 and the second top plate 11, a fourth filling portion 13 is provided in the fourth gap, the first top plate 10 and the second top plate 11 are symmetrically provided at both sides of the fourth filling portion 13, and the seam between the first top plate 10 and the second top plate 11 can be connected by filling the fourth filling portion 13, so that the first top plate 10 and the second top plate 11 form an integral structure.
In a specific embodiment of the disclosure, at least one group of prestressing tendons 12 is arranged in the second precast beam, one end of each prestressing tendon 12 is arranged in the first top plate 10, the other end of each prestressing tendon 12 is arranged in the second top plate 11, prestressing force can be provided between two adjacent hole beams through arranging the prestressing tendons in the precast beam, and the pier top hogging moment is resisted, so that the stability of the overall structure is improved.
As shown in fig. 2, fig. 2 is a cross-sectional view of i-i in the present disclosure, in a specific embodiment of the present disclosure, a second precast beam is fixedly connected to a pier 1 through at least one fixing device, two adjacent fixing devices are disposed at intervals, the fixing devices include a high-strength anchor rod 16, a first nut 14, a second nut 18, and a spacer 15, two ends of the high-strength anchor rod 16 are respectively disposed in the pier 1 and in a second filling portion 19, the first nut 14 and the second nut 18 are respectively disposed at two ends of the high-strength anchor rod 16, the spacer 15 is disposed between the first nut 14 and the second bottom plate 6, in this application, the fixing device is used to implement connection between a pier top and a second precast beam, which replaces the complex procedure of embedding steel bars at the pier top and binding steel bars at the pier top in the girder portion in the prior art, effectively reduces the complexity of the procedure, and improves the construction efficiency.
In a specific embodiment of the disclosure, an end of the pier 1, which is close to the top, is provided with an embedded steel plate 17, the embedded steel plate 17 is arranged in parallel with the ground, at least one through hole 20 is formed in the embedded steel plate 17, the through hole 20 is arranged along the length direction of the embedded steel plate 17, and the position of the high-strength anchor rod 16 can be fixed by the embedded steel plate 17 at the top of the pier 1, so that the positioning is more accurate, and the anti-pulling effect is provided for the high-strength anchor rod 16.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A pier beam consolidation structure, comprising:
the bridge pier (1), the bridge pier (1) is fixedly arranged on a pile foundation bearing platform;
the bracket comprises a first bracket (2) and a second bracket (3), and the first bracket (2) and the second bracket (3) are symmetrically arranged on two sides of the pier (1);
the first precast beam comprises a first top plate (10) and a first bottom plate (5), wherein the first bottom plate (5) is arranged on the first bracket (2), the first top plate (10) is arranged above the first bottom plate (5), a first gap is formed between the first top plate (10) and the first bottom plate (5), and a first filling part (4) is arranged in the first gap; and
the second precast beam comprises a second top plate (11) and a second bottom plate (6), the second bottom plate (6) is arranged on the second bracket (3), the second top plate (11) is arranged above the second bottom plate (6), a second gap is formed between the second top plate (11) and the second bottom plate (6), and a second filling part (19) is arranged in the second gap.
2. The pier beam consolidation structure as claimed in claim 1, wherein: a third gap is formed between the first bottom plate (5) and the second bottom plate (6), a third filling part (7) is arranged in the third gap, and the first bottom plate (5) and the second bottom plate (6) are symmetrically arranged on two sides of the third filling part (7).
3. The pier beam consolidation structure as claimed in claim 2, wherein: the bridge pier comprises a bridge pier body and is characterized in that supporting parts are arranged between the top of the bridge pier body (1) and the bottoms of the first precast beam and the second precast beam, each supporting part comprises a first supporting part (8) and a second supporting part (9), and the first supporting parts (8) and the second supporting parts (9) are symmetrically arranged on two sides of the third filling part (7).
4. A pier beam consolidation structure according to claim 3, wherein: the sum of the widths of the first supporting part (8), the second supporting part (9) and the third filling part (7) is the same as the width of the bridge pier (1).
5. The pier beam consolidation structure as claimed in claim 4, wherein: one end of the first bottom plate (5) close to the third filling part (7) is provided with a U-shaped groove (21), and the depth of the U-shaped groove (21) is the same as the width of the first supporting part (8).
6. The pier beam consolidation structure as claimed in claim 1, wherein: a fourth gap is formed between the first top plate (10) and the second top plate (11), a fourth filling part (13) is arranged in the fourth gap, and the first top plate (10) and the second top plate (11) are symmetrically arranged on two sides of the fourth filling part (13).
7. The pier beam consolidation structure as claimed in claim 6, wherein: the inside of second precast beam is provided with at least one set of prestressing tendons (12), the one end setting of prestressing tendons (12) is in the inside of first roof (10), the other end setting of prestressing tendons (12) is in the inside of second roof (11).
8. The pier beam consolidation structure as claimed in claim 1, wherein: the second precast beam is fixedly connected with the bridge pier (1) through at least one fixing device, and two adjacent fixing devices are arranged at intervals.
9. The pier beam consolidation structure of claim 8, wherein: the fixing device comprises a high-strength anchor rod (16), a first nut (14), a second nut (18) and a gasket (15), wherein two ends of the high-strength anchor rod (16) are respectively arranged inside the bridge pier (1) and the second filling part (19), the first nut (14) and the second nut (18) are respectively arranged at two end parts of the high-strength anchor rod (16), and the gasket (15) is arranged between the first nut (14) and the second bottom plate (6).
10. The pier beam consolidation structure as claimed in claim 1, wherein: one end of the pier (1) close to the top is provided with a pre-buried steel plate (17), and the pre-buried steel plate (17)
Is arranged in parallel with the ground, at least one through hole (20) is arranged on the embedded steel plate (17),
the through holes (20) are formed along the length direction of the embedded steel plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732593.1U CN220450647U (en) | 2023-07-04 | 2023-07-04 | Pier beam consolidation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732593.1U CN220450647U (en) | 2023-07-04 | 2023-07-04 | Pier beam consolidation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450647U true CN220450647U (en) | 2024-02-06 |
Family
ID=89738912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321732593.1U Active CN220450647U (en) | 2023-07-04 | 2023-07-04 | Pier beam consolidation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450647U (en) |
-
2023
- 2023-07-04 CN CN202321732593.1U patent/CN220450647U/en active Active
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