CN219690576U - Single-body type composite foundation for communication single-tube tower piles - Google Patents
Single-body type composite foundation for communication single-tube tower piles Download PDFInfo
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- CN219690576U CN219690576U CN202321086975.1U CN202321086975U CN219690576U CN 219690576 U CN219690576 U CN 219690576U CN 202321086975 U CN202321086975 U CN 202321086975U CN 219690576 U CN219690576 U CN 219690576U
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- 238000004891 communication Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 75
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 239000004567 concrete Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 24
- 239000002689 soil Substances 0.000 description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The utility model discloses a single-body composite foundation of a communication single-tube tower pile, which comprises a foundation pile and an expanded foundation, wherein the foundation pile comprises a foundation pile retaining wall and a foundation pile reinforcing cage, the foundation pile reinforcing cage comprises an upper reinforcing cage and a middle lower reinforcing cage, and the middle lower reinforcing cage is arranged in the foundation pile retaining wall; the expansion foundation comprises an expansion foundation reinforcement cage and a connection reinforcement mesh, wherein the connection reinforcement mesh is arranged in the expansion foundation reinforcement cage; the expansion foundation reinforcement cage is enclosed outside the upper reinforcement cage, the upper end face of the upper reinforcement cage is higher than the upper end face of the expansion foundation reinforcement cage, and the connection reinforcement mesh horizontally penetrates through the upper reinforcement cage; concrete is poured in the foundation piles and the expanded foundation, so that the foundation piles and the expanded foundation are rigidly connected and compounded. The composite foundation has small occupied area, the pile pore-forming depth is shallow, the construction requirement of a special site is met, the construction is simple, and the construction cost is low.
Description
Technical Field
The utility model relates to the technical field of communication single-tube tower foundations, in particular to a single-body type composite foundation for a communication single-tube tower pile.
Background
The communication single-pipe tower usually adopts the form of an extended foundation or a single-pile foundation, the top of the extended foundation or the single-pile foundation is connected with the bottom of the communication single-pipe tower body through an embedded part, and precast piles such as steel pipe piles and the like are not adopted usually because of construction cost consideration of construction units. In the implementation of specific projects, under the condition of complex geology such as scenic spots and protection areas like river banks and river sides, when pile foundations are adopted, most of soil is saturated sandy soil, the phenomena of quicksand and hole collapse are easy to occur, the hole forming depth can not meet the design requirements generally, and the implementation difficulty of single pile foundations is high. Meanwhile, large excavation is needed for independent foundation construction expansion, the occupied area is too large, and the construction site size under the scene of the scenic spot and the protection area often cannot meet the requirements.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of providing a single-body composite foundation for communication single-tube tower piles aiming at the defects of the prior art.
In order to solve the technical problems, the utility model discloses a single-body composite foundation of a communication single-pipe tower pile, which comprises a foundation pile and an expanded foundation, wherein the foundation pile comprises a foundation pile retaining wall and a foundation pile reinforcing cage, the foundation pile reinforcing cage comprises an upper reinforcing cage and a middle lower reinforcing cage, the upper reinforcing cage is arranged above the middle lower reinforcing cage, and the middle lower reinforcing cage is arranged in the foundation pile retaining wall; the expansion foundation comprises an expansion foundation reinforcement cage and a connection reinforcement mesh, wherein the connection reinforcement mesh is arranged in the expansion foundation reinforcement cage; the expansion foundation reinforcement cage is enclosed outside the upper reinforcement cage, the upper end face of the upper reinforcement cage is higher than the upper end face of the expansion foundation reinforcement cage, and the connection reinforcement mesh horizontally penetrates through the upper reinforcement cage; the foundation pile retaining wall and the middle lower reinforcement cage are arranged below the ground, the upper reinforcement cage and the expansion foundation reinforcement cage are arranged below the ground, and the upper end face of the upper reinforcement cage and the upper end face of the expansion foundation reinforcement cage are both arranged to protrude out of the ground; concrete is poured in the foundation piles and the expanded foundation, so that the foundation piles and the expanded foundation are rigidly connected and compounded.
Further, the foundation structure further comprises more than two micro piles, the bottom of the expansion foundation is provided with micro pile holes with the same number as that of the micro piles, and the micro piles are arranged in the micro pile holes.
Further, more than two embedded anchors are arranged in the upper reinforcement cage along the height direction of the upper reinforcement cage, and the embedded anchors protrude out of the upper reinforcement cage upper end face.
Further, the expansion foundation is of a square or rectangular structure, and the central axis of the foundation pile is coincident with the central axis of the expansion foundation.
Further, the foundation pile retaining wall is an annular reinforced concrete reinforcement member.
Further, the foundation pile retaining wall is a steel pipe retaining wall.
Further, the connection reinforcing mesh is a bidirectional reinforcing mesh.
Further, the connection reinforcing steel bar net is a section steel.
Further, the mini pile is a circular cement mixing pile.
Further, the micro piles are precast piles, compaction piles or tree root piles.
The beneficial effects are that:
the utility model uses the single pile foundation and the expanding foundation to cast integrally, the foundation form occupies small area, is environment-friendly to construction, has smaller design pile length, and can meet the construction requirements of special scenes such as protection areas, scenic spots and the like along the river. Meanwhile, the foundation form adopts pure manual construction, large-scale machinery is not needed, the construction is convenient and fast, and the cost is low.
Drawings
The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.
Fig. 1 is a schematic structural diagram of a single-body composite foundation of a single-tube communication tower pile according to an embodiment of the present utility model.
Fig. 2 is a plan view of an expanded foundation in a single-body composite foundation of a communication single-tube tower pile provided by the embodiment of the utility model.
Reference numerals illustrate: 100-foundation piles; 200-expanding a foundation; 1-foundation pile retaining walls; 2-pile reinforcement cage; 21-upper reinforcement cage; 22-a middle-lower reinforcement cage; 3, expanding a foundation reinforcement cage; 4-connecting a reinforcing steel bar net; 5-mini piles; 6-embedding anchor bolts; 7-communication tower.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings.
The single-body composite foundation of the communication single-pipe tower pile provided by the embodiment of the utility model can be applied to a protection area along a river, the protection area has poor soil quality and has the phenomenon of quicksand, if the single-pile foundation is used, the pile length cannot meet the design requirement, and meanwhile, the pile length is also a scenic spot protection area on the ground, so that a too large construction site cannot be provided, and only the expansion foundation space is insufficient.
As shown in fig. 1, the embodiment of the utility model provides a single-body composite foundation of a communication single-pipe tower pile, which comprises a foundation pile 100 and an expanded foundation 200, wherein the foundation pile 100 comprises a foundation pile retaining wall 1 and a foundation pile reinforcing cage 2, the foundation pile reinforcing cage 2 comprises an upper reinforcing cage 21 and a middle lower reinforcing cage 22, the upper reinforcing cage 21 is arranged above the middle lower reinforcing cage 22, and the middle lower reinforcing cage 22 is arranged in the foundation pile retaining wall 1; the expansion foundation 200 comprises an expansion foundation reinforcement cage 3 and a connection reinforcement mesh 4, wherein the connection reinforcement mesh 4 is arranged in the expansion foundation reinforcement cage 3; the expansion foundation reinforcement cage 3 is enclosed outside the upper reinforcement cage 21, the upper end surface of the upper reinforcement cage 21 is higher than the upper end surface of the expansion foundation reinforcement cage 3, and the connection reinforcement mesh 4 horizontally penetrates through the upper reinforcement cage 21; the foundation pile retaining wall 1 and the middle lower reinforcement cage 22 are arranged below the ground, the upper reinforcement cage 21 and the expansion foundation reinforcement cage 3 are partially arranged below the ground, and the upper end face of the upper reinforcement cage 21 and the upper end face of the expansion foundation reinforcement cage 3 are both arranged to protrude out of the ground; concrete is poured into the foundation piles 100 and the expanded foundation 200, so that the foundation piles 100 and the expanded foundation 200 are rigidly connected and compounded. The composite foundation adopts the composite mode of the foundation piles 100 and the expansion foundation 200, when the construction site is limited, compared with the traditional expansion foundation, the composite mode of the foundation piles and the single piles is adopted, so that the construction space occupied by the expansion foundation in the process of large excavation is greatly reduced, and the foundation construction of a single-pipe tower mast can be completed usually ten square meters; when the soil conditions are limited, compared with the traditional single pile foundation, the pile hole forming depth of the foundation pile 100 is shallow in a mode of compounding with the expanding foundation, the construction requirement of a special site is met, the construction is simple, and the construction cost is low.
In the embodiment of the utility model, the foundation further comprises more than two micro piles 5, wherein the bottom of the expansion foundation 200 is provided with micro pile holes with the same number as the micro piles 5, and the micro piles 5 are arranged in the micro pile holes. In the embodiment of the present utility model, as shown in fig. 2, foundation piles 100 are centrally disposed and micro piles 5 are distributed around. When the soil quality conditions are limited, such as the conditions of scenic spots and protection areas like river banks and river sides, most of the soil is saturated sandy soil, the phenomenon of quicksand is easy to generate, the hole forming depth of the foundation pile 100 cannot be too deep, and miniature piles are arranged around the expansion foundation 200, so that a calculation model is optimized, the length of the concrete foundation pile 100 is greatly reduced, and the pile length can be reduced by about 40% under the normal condition. The number of the micro piles 5 needs to meet the bearing capacity requirement and the construction requirement, wherein the bearing capacity requirement comprises the requirement that the communication tower 7 can be borne, the construction requirement comprises the requirement that the distance from the periphery of the foundation pile 100 to the expanded foundation 200 is met, and the like, which belong to the prior art, and the embodiment of the utility model is not particularly limited.
In the embodiment of the utility model, more than two embedded anchors 6 are arranged in the upper reinforcement cage 21 along the height direction, and the embedded anchors 6 are arranged to protrude out of the upper end surface of the upper reinforcement cage 21. The embedded anchor bolts 6 are used for detachably connecting the foundation pile 100 and the communication tower 7.
In the embodiment of the utility model, the expansion foundation 200 is of a square or rectangular structure, and the construction is simple; the central axis of the foundation pile 100 coincides with the central axis of the expanding foundation 200, so that the bearing capacity and the tensile capacity of the composite foundation are effectively enhanced.
As shown in fig. 1, the foundation pile retaining wall 1 in the embodiment of the present utility model is an annular reinforced concrete reinforcement member, and in other embodiments of the present utility model, the foundation pile retaining wall 1 may be a steel pipe retaining wall, and the foundation pile retaining wall 1 and the foundation pile reinforcement cage 2 are integrally cast by reinforced concrete.
In the embodiment of the utility model, the connection reinforcing steel bar net 4 is a bidirectional reinforcing steel bar net, in other embodiments of the utility model, the connection reinforcing steel bar net 4 can also be steel sections such as angle steel, I-steel and the like, and the expansion foundation reinforcement cage 3 and the connection reinforcing steel bar net 4 are cast into a whole by adopting reinforced concrete.
The micro pile 5 in the embodiment of the present utility model is a circular cement mixing pile, and in other embodiments of the present utility model, the micro pile 5 may be a precast pile, an extruded pile, or a root pile.
The following describes a specific installation process of the present utility model in conjunction with a specific application scenario, in which the soil of the installation site is saturated sandy soil, which is prone to generate a quicksand phenomenon, and the hole depth cannot be deep, and the installation process of the embodiment of the present utility model:
according to the design requirement, the site is excavated to the bottom surface of the expansion foundation 200;
according to the on-site geological conditions, manually digging holes to form holes of the foundation pile 100, arranging foundation pile retaining walls 1, wherein the foundation pile retaining walls 1 are cast-in-situ foundation pile retaining walls 1 by adopting reinforced concrete, the foundation pile retaining walls 1 are downwards arranged from the bottom surface of the expanded foundation 200, micro pile holes are dug around the foundation pile 100, and micro piles 5 are arranged, and the micro piles 5 are cement stirring piles. A cushion layer is disposed on the bottom surface of the extension foundation 200, where the cushion layer is in the prior art, and the embodiment of the present utility model is not limited herein.
And arranging the foundation pile reinforcement cage 2 to the designed elevation near the ground, binding and arranging the expansion foundation reinforcement cage 3 and the connection reinforcement mesh 4, and supporting the mould.
A positioning plate is arranged in the foundation pile reinforcement cage 2 and is used for positioning the embedded anchor bolts 6, the positioning plate is in the prior art, and the embodiment of the utility model is not limited herein; after positioning, installing the embedded anchor bolts 6, and pouring concrete in the foundation pile 100 and the expanded foundation 200 to ensure that the foundation pile 100 and the expanded foundation 200 are connected into a whole to form rigid connection.
The foundation construction of the utility model does not need large machinery, the pile and the foundation construction are both in a manual excavation mode, the micro piles arranged around can be flexibly selected according to actual conditions, the occupied area of the foundation is small, the pile forming depth is shallow, the construction is simple, and the manufacturing cost is low.
The utility model provides a single-body composite foundation for a communication single-tube tower pile, and the method and the way for realizing the technical scheme are numerous, the above is only a specific implementation mode of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made to the person skilled in the art without departing from the principle of the utility model, and the improvements and the modifications are also regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (10)
1. The single-body composite foundation for the communication single-tube tower pile is characterized by comprising a foundation pile (100) and an expanded foundation (200), wherein the foundation pile (100) comprises a foundation pile retaining wall (1) and a foundation pile reinforcing cage (2), the foundation pile reinforcing cage (2) comprises an upper reinforcing cage (21) and a middle lower reinforcing cage (22), the upper reinforcing cage (21) is arranged above the middle lower reinforcing cage (22), and the middle lower reinforcing cage (22) is arranged in the foundation pile retaining wall (1); the expansion foundation (200) comprises an expansion foundation reinforcement cage (3) and a connection reinforcement mesh (4), wherein the connection reinforcement mesh (4) is arranged in the expansion foundation reinforcement cage (3); the expansion foundation reinforcement cage (3) is enclosed outside the upper reinforcement cage (21), the upper end face of the upper reinforcement cage (21) is higher than the upper end face of the expansion foundation reinforcement cage (3), and the connection reinforcement mesh (4) horizontally penetrates through the upper reinforcement cage (21); the foundation pile retaining wall (1) and the middle-lower reinforcement cage (22) are arranged below the ground, the upper reinforcement cage (21) and the expansion foundation reinforcement cage (3) are partially arranged below the ground, and the upper end face of the upper reinforcement cage (21) and the upper end face of the expansion foundation reinforcement cage (3) are both arranged to protrude out of the ground; concrete is poured into the foundation piles (100) and the expansion foundation (200), so that the foundation piles (100) and the expansion foundation (200) are rigidly connected and compounded.
2. The single-body composite foundation of communication single-pipe tower piles according to claim 1, further comprising more than two micro piles (5), wherein the bottom of the expanding foundation (200) is provided with micro pile holes with the same number as the micro piles (5), and the micro piles (5) are arranged in the micro pile holes.
3. The single-body composite foundation of the communication single-tube tower pile according to claim 2, wherein more than two embedded bolts (6) are arranged in the upper steel reinforcement cage (21) along the height direction of the upper steel reinforcement cage (21), and the embedded bolts (6) protrude out of the upper end face of the upper steel reinforcement cage (21).
4. A single-body composite foundation for communication single-tube tower piles according to claim 3, wherein the expanding foundation (200) is of square or rectangular structure, and the central axis of the foundation pile (100) is coincident with the central axis of the expanding foundation (200).
5. A single-body composite foundation for communication single-tube tower piles according to claim 4, wherein the foundation pile retaining wall (1) is an annular reinforced concrete reinforcing member.
6. A single-body composite foundation for communication single-tube tower piles according to claim 4, wherein said foundation pile retaining wall (1) is a steel pipe retaining wall.
7. A single-piece composite foundation for communication single-tube tower piles according to claim 5 or 6, wherein said connection reinforcing mesh (4) is a bidirectional reinforcing mesh.
8. A single-piece composite foundation for communication single-tube tower piles according to claim 5 or 6, wherein said connection reinforcing mesh (4) is a section steel.
9. A single-piece composite foundation for communication single-tube tower piles according to claim 5 or 6, wherein said mini-piles (5) are circular cement mixing piles.
10. A single-piece composite foundation for communication single-tube tower piles according to claim 5 or 6, wherein said micro piles (5) are prefabricated piles, compaction piles or root piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086975.1U CN219690576U (en) | 2023-05-08 | 2023-05-08 | Single-body type composite foundation for communication single-tube tower piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086975.1U CN219690576U (en) | 2023-05-08 | 2023-05-08 | Single-body type composite foundation for communication single-tube tower piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219690576U true CN219690576U (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086975.1U Active CN219690576U (en) | 2023-05-08 | 2023-05-08 | Single-body type composite foundation for communication single-tube tower piles |
Country Status (1)
| Country | Link |
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| CN (1) | CN219690576U (en) |
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2023
- 2023-05-08 CN CN202321086975.1U patent/CN219690576U/en active Active
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