CN219930715U - Urban viaduct bent cap construction structure utilizing recyclable prefabricated foundation - Google Patents
Urban viaduct bent cap construction structure utilizing recyclable prefabricated foundation Download PDFInfo
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- CN219930715U CN219930715U CN202320954284.2U CN202320954284U CN219930715U CN 219930715 U CN219930715 U CN 219930715U CN 202320954284 U CN202320954284 U CN 202320954284U CN 219930715 U CN219930715 U CN 219930715U
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 11
- 238000009432 framing Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Bridges Or Land Bridges (AREA)
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Abstract
The utility model discloses an urban viaduct bent cap construction structure utilizing a recyclable prefabricated foundation, which comprises a bridge bearing platform and a roadbed structure layer, wherein a foundation sand cushion layer is arranged on the roadbed structure layer, a prefabricated foundation layer is arranged on the foundation sand cushion layer, the prefabricated foundation layer is formed by mutually splicing a plurality of prefabricated bracket foundations, and full framing is arranged on the prefabricated foundation layer and the bridge bearing platform. The utility model has the beneficial effects that: the pile foundation, the bearing platform and the residual concrete and the waste steel bars are utilized to produce the prefabricated foundation with the smooth pull ring, so that the prefabricated foundation is convenient to carry and install, high bearing capacity is provided, and different supporting interval requirements can be met; the use of excess material in pile foundation construction can also promote green construction practices and reduce wastage. In addition, a drainage groove can be added into the prefabricated foundation to solve the drainage problem, so that the stability and the safety of the supporting foundation are ensured; compared with the traditional cast-in-situ cushion concrete foundation, the method has the advantages of quick construction, recycling, waste material utilization and the like.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a construction structure of an urban viaduct bent cap by utilizing a recyclable prefabricated foundation.
Background
With the rapid development of cities, the position of municipal bridge engineering in traffic infrastructure construction is remarkably improved. At present, the construction of urban bridge pier columns and capping beam structures in China still mainly uses cast-in-place, a full framing is required to be erected, and the strength, the rigidity and the stability of the framing foundation ensure the safety and the quality of the construction of the structures.
In a traditional support system, in order to ensure the overall stability of a support site, a foundation is required to be treated before a support is erected, and a mode of hardening treatment by pouring concrete through a site formwork is generally adopted, wherein a wood form is required to be erected as a boundary formwork, and the concrete is required to be maintained to a specified strength after initial setting, so that the defects of low construction speed, easiness in cracking and high pollution are often caused.
Therefore, it is necessary to provide a prefabricated (assembled) support foundation structure for the support foundation, so that the rapid, efficient, green and environment-friendly construction is realized, the engineering cost is reduced, and the problems of foundation drainage and support interval flexibility adjustment are solved while the stability and the strength are ensured.
Disclosure of Invention
The utility model aims at: the urban viaduct bent cap construction structure utilizing the recyclable prefabricated foundation solves the problems that a traditional bracket foundation needs to be cast in situ, the construction period is long and the quality is poor.
The aim of the utility model is achieved by the following technical scheme:
the utility model provides an utilize urban viaduct bent cap construction structure of circulated prefabricated basis, includes the roadbed structure layer of bridge cushion cap and bridge cushion cap avris, is equipped with basic sand bed course on the roadbed structure layer, is equipped with prefabricated foundation layer on the basic sand bed course, and the upper surface of prefabricated foundation layer and the upper surface parallel and level of bridge cushion cap, prefabricated foundation layer splice each other for a plurality of prefabricated support foundations and constitute, are equipped with full framing on prefabricated foundation layer and the bridge cushion cap.
Furthermore, the lower part of the bridge bearing platform is connected with a bridge pile foundation.
Furthermore, the outer side part of the roadbed structure layer is arranged on the foundation pit slope of the bearing platform.
Further, the outer side part of the prefabricated foundation layer is an original pavement structure.
Furthermore, the prefabricated support foundation is of a cuboid structure.
Furthermore, the prefabricated support foundation is formed by pouring and prefabricating redundant concrete and waste steel bars. And (3) manufacturing a prefabricated support foundation by using redundant concrete and waste steel bars in pile foundation construction, wherein the prefabricated support foundation is used for a full support foundation of a municipal bridge.
Furthermore, the prefabricated support is provided with an overhanging smooth surface pull ring on the basis, so that the prefabricated support is convenient for carrying by a forklift or a crane and convenient for transportation and installation.
Furthermore, four smooth surface pull rings positioned at four corners are arranged on the basis of the prefabricated support.
Furthermore, the prefabricated support foundation on be equipped with water drainage tank, plain noodles pull ring slip card is established in water drainage tank. The drainage groove is used for improving drainage, and meanwhile, the position of the smooth surface pull ring can be easily adjusted, so that the interval requirement of a supporting structure is not affected, and the efficiency and the universality of a supporting foundation are improved.
Furthermore, the water drainage groove is of a convex cross section, the smooth surface pull ring is of a U-shaped structure, and two ends of the smooth surface pull ring are slidably clamped in the water drainage groove through the extension part.
The utility model realizes the following functions:
1. the prefabricated stent foundation provides many other advantages such as reduced waste and enhanced sustainability. By utilizing the residual concrete and the waste steel bars, the construction industry can save raw material cost and promote green construction practice. In addition, the prefabricated support foundation can be recycled, and waste is further reduced.
2. The utility model also provides high bearing capacity and stable support for the bridge platform, and hardening support foundation is not needed, so that the construction time and cost are reduced. In general, the utility model provides an innovative and efficient solution for the construction of municipal bridge support foundations, and has the advantages of reducing waste, promoting sustainability, reducing construction cost, improving construction efficiency, adapting to different support spacing requirements and the like.
The utility model has the beneficial effects that:
1. the prefabricated foundation with the smooth surface pull ring (round bar) is produced by pouring residual concrete and waste steel bars through pile foundations and bearing platforms, is convenient to carry and install, provides high bearing capacity, and can adapt to different supporting space requirements.
2. The use of excess material in pile foundation construction can also promote green construction practices and reduce wastage. In addition, can add water drainage tank in prefabricated basis and solve the drainage problem, ensure stability and the security of supporting the basis.
3. Compared with the traditional cast-in-situ cushion concrete foundation, the method has the advantages of quick construction, recycling, waste material utilization and the like.
The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the utility model may be freely combined between choices (of non-conflicting choices) and with other choices as well. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or to limit the utility model to the precise forms disclosed.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the prefabricated support foundation of the present utility model.
In the figure: 1. bridge pile foundation, 2, bridge bearing platform, 3, roadbed structure layer, 4, foundation sand cushion layer, 5, prefabricated support foundation, 6, bearing platform foundation pit slope, 7, original pavement structure, 8, full framing, 9, bridge pier column, 10 and bridge cap beam; 51-reinforcement cage, 52-water drainage groove, 53-smooth pull ring.
Detailed Description
The utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 and 2, an urban viaduct bent cap construction structure utilizing a recyclable prefabricated foundation comprises a bridge pile foundation 1, a bridge bearing platform 2, a roadbed structure layer 3, a foundation sand cushion layer 4, a prefabricated foundation layer (a plurality of prefabricated support foundations 5), a bearing platform foundation pit slope 6, an original pavement structure 7 and a full support 8.
The lower part of the bridge bearing platform 2 is connected with a plurality of bridge pile foundations 1, and the load on the upper part of the bridge acts on the bridge bearing platform 2 and is transferred to a deep soil layer through the bridge pile foundations 1 so as to meet the requirements of bearing capacity and settlement.
The side of the bridge bearing platform 2 is the roadbed structure layer 3, the roadbed structure layer 3 is the foundation structure of the bottom of the pavement, meanwhile, the roadbed structure layer 3 can strengthen the side of the bridge bearing platform 2, and the outer side part of the roadbed structure layer 3 is arranged on the bearing platform foundation pit slope 6.
The roadbed structure layer 3 is provided with a foundation sand cushion layer 4, and the foundation sand cushion layer 4 is provided with a prefabricated foundation layer. The foundation sand cushion 4 is used for carrying out cushion setting leveling on the prefabricated foundation layer, and is beneficial to ensuring that the upper surface of the prefabricated foundation layer is flush with the upper surface of the bridge bearing platform 2.
The prefabricated foundation layer and the bridge bearing platform 2 jointly form a construction platform of a full framing 8, and then the full framing 8 is arranged on the prefabricated foundation layer and the bridge bearing platform 2, and construction operation is carried out on the bridge pier 9 and the bridge capping beam 10 through the full framing 8.
The outside portion of the prefabricated foundation layer is an original pavement structure 7, and the prefabricated foundation layer is filled between the bridge bearing platform 2 and the original pavement structure 7.
The prefabricated foundation layer is formed by mutually splicing a plurality of prefabricated support foundations 5, and pouring construction is carried out on the prefabricated support foundations 5 after construction of the bridge pile foundation 1 and before construction of the bridge pier column 9 and the bridge capping beam 10. The prefabricated support foundation 5 is formed by pouring and prefabricating redundant concrete and waste steel bars, the waste steel bars are bound to form a steel bar framework 51, and the redundant concrete and the steel bar framework 51 together form a reinforced concrete structure.
The prefabricated support foundation 5 is of a cuboid structure, and the prefabricated support foundation 5 is conveniently assembled. The prefabricated support foundation 5 is provided with an overhanging smooth surface pull ring 53 (round bar), the smooth surface pull ring 53 is provided with four corners positioned at the prefabricated support foundation 5, and the prefabricated support foundation 5 is hoisted by a crane or a forklift.
Be equipped with water drainage tank 52 on the prefabricated support basis 5, water drainage tank 52 is protruding font cross-section, and smooth surface pull ring slip card is established in water drainage tank, and concrete smooth surface pull ring is U-shaped structure, and smooth surface pull ring's both ends are established at water drainage tank through extension slip card, and water drainage tank has not only realized retaining drainage's effect, has realized simultaneously adjusting the position of smooth surface pull ring.
The working flow of the utility model is as follows:
1. collection and preparation of materials: and collecting redundant concrete and waste steel bars in pile foundation construction. The materials are classified by size and model.
2. Manufacturing a prefabricated support foundation: and binding, forming and mixing the waste steel bars in a mould according to specifications, pouring the residual concrete into a prepared template by utilizing pouring pile foundations and bearing platforms, and embedding smooth round steel bar pull rings on the template. The templates may be customized according to the desired size and shape of the prefabricated sections.
3. Optional step (drain tank): the drain tank is prepared by selecting a material that is resistant to corrosion and erosion, if desired. During the manufacturing process, the chute is mounted on top of the prefabricated bracket base.
4. Transportation and installation of prefabricated support foundation: the prefabricated support foundation is transported to the construction site using a forklift or similar device. And (5) placing the support platform around the support platform according to the setting range of the full framing and ensuring that the upper surface is flush with the top surface of the support platform. The prefabricated bracket foundations are arranged into different configurations according to the needs, so that the requirements of different supporting distances are met.
5. Checking and guaranteeing quality: the installed prefabricated support bases are inspected to ensure that they meet the prescribed specifications and quality standards, and load tests are performed to verify the load carrying capacity of the blocks.
The utility model uses redundant concrete and waste steel bars to manufacture a prefabricated support foundation, and the installation of smooth round steel bar pull rings and optional drainage grooves is a main characteristic of the implementation process. The process provides a sustainable solution for building the full support foundation of the municipal bridge, and is economical and environment-friendly.
The foregoing basic embodiments of the utility model, as well as other embodiments of the utility model, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the utility model, each selection example can be arbitrarily combined with any other basic example and selection example.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides an utilize urban viaduct bent cap construction structure of circulated prefabricated basis, includes road bed structure layer (3) of bridge cushion cap (2) and bridge cushion cap (2) avris, its characterized in that: the roadbed structure layer (3) on be equipped with basis sand bed course (4), be equipped with prefabricated foundation layer on basis sand bed course (4), the upper surface of prefabricated foundation layer and the upper surface parallel and level of bridge cushion cap (2), prefabricated foundation layer is a plurality of prefabricated support foundations (5) and splices each other and constitute, is equipped with full framing (8) on prefabricated foundation layer and bridge cushion cap (2).
2. The construction structure of the urban viaduct bent cap using the recyclable prefabricated foundation according to claim 1, wherein: the lower part of the bridge bearing platform (2) is connected with a bridge pile foundation (1).
3. The construction structure of the urban viaduct bent cap using the recyclable prefabricated foundation according to claim 1, wherein: the outer side part of the roadbed structure layer (3) is arranged on the foundation pit slope (6) of the bearing platform.
4. A construction structure of an urban viaduct bent cap using a recyclable prefabricated foundation according to claim 1, 2 or 3, characterized in that: the outer side part of the prefabricated foundation layer is an original pavement structure (7).
5. The construction structure of the urban viaduct bent cap using the recyclable prefabricated foundation according to claim 1, wherein: the prefabricated support foundation (5) is of a cuboid structure.
6. The urban viaduct bent cap construction structure using a recyclable pre-fabricated foundation according to claim 1 or 5, wherein: the prefabricated support foundation (5) is formed by pouring and prefabricating redundant concrete and waste steel bars.
7. The urban viaduct bent cap construction structure using a recyclable pre-fabricated foundation according to claim 1 or 5, wherein: an overhanging smooth surface pull ring (53) is arranged on the prefabricated support foundation (5).
8. The construction structure of the urban viaduct bent cap using the recyclable pre-cast foundation according to claim 7, wherein: four smooth surface pull rings (53) positioned at four corners are arranged on the prefabricated support base (5).
9. The construction structure of the urban viaduct bent cap using the recyclable pre-cast foundation according to claim 7, wherein: the prefabricated support foundation (5) is provided with a drainage groove (52), and the smooth surface pull ring (53) is slidably clamped in the drainage groove (52).
10. The construction structure of the urban viaduct bent cap using the recyclable pre-cast foundation according to claim 9, wherein: the drainage tank be the protruding font cross-section, smooth surface pull ring is U-shaped structure, and smooth surface pull ring's both ends are established in the drainage tank through extension slip card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954284.2U CN219930715U (en) | 2023-04-25 | 2023-04-25 | Urban viaduct bent cap construction structure utilizing recyclable prefabricated foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954284.2U CN219930715U (en) | 2023-04-25 | 2023-04-25 | Urban viaduct bent cap construction structure utilizing recyclable prefabricated foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219930715U true CN219930715U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320954284.2U Active CN219930715U (en) | 2023-04-25 | 2023-04-25 | Urban viaduct bent cap construction structure utilizing recyclable prefabricated foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930715U (en) |
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2023
- 2023-04-25 CN CN202320954284.2U patent/CN219930715U/en active Active
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