CN220183996U - Carbon fiber and steel pipe composite recycled concrete pile - Google Patents
Carbon fiber and steel pipe composite recycled concrete pile Download PDFInfo
- Publication number
- CN220183996U CN220183996U CN202320514535.5U CN202320514535U CN220183996U CN 220183996 U CN220183996 U CN 220183996U CN 202320514535 U CN202320514535 U CN 202320514535U CN 220183996 U CN220183996 U CN 220183996U
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- Prior art keywords
- pile
- carbon fiber
- bearing frame
- surface layer
- frame body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 42
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 42
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 239000010962 carbon steel Substances 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a carbon fiber and steel pipe composite recycled concrete pile, which comprises a pile cap and a pile tip, wherein a pile body is fixedly connected between the pile cap and the pile tip, the pile body comprises an anti-impact surface layer and a pile core, the anti-impact surface layer is of a frame-type structure with a hollow interior, and the pile core is arranged in the anti-impact surface layer; the inside of the anti-collision surface layer is fixedly provided with anti-collision steel bars, the anti-collision steel bars are distributed at four corners of the anti-collision surface layer, and the anti-collision steel bars vertically extend; the outer surface of the pile core is wrapped with a carbon fiber cloth layer. The utility model is provided with the anti-impact surface layer which wraps the carbon fiber cloth layer, so that the impact force is applied to the anti-impact surface layer instead of the carbon fiber cloth layer in the process of entering the soil layer, thereby protecting the integrity of the carbon fiber cloth layer, further ensuring that the reinforced concrete structure inside the carbon fiber cloth layer is not corroded, and prolonging the service life of the pile body. The two solid reinforced bars are vertically staggered, so that the reinforced bars in the pile core are tightly combined with concrete, the pile core is stronger, and the bearing capacity is larger.
Description
Technical Field
The utility model relates to the technical field of building foundation engineering, in particular to a carbon fiber and steel pipe composite recycled concrete pile.
Background
For reinforced concrete piles used in corrosive environments, they are subject to attack by long-term corrosive substances, such as chloride ion penetration, sulfate corrosion, water penetration, etc. The service life of the pile body is obviously lower than that of a reinforced concrete pile in a non-corrosive environment, so that the problems of collapse, foundation settlement and the like are easy to occur when the bearing capacity is reduced.
The novel use patent with the prior bulletin number of CN211523184U discloses a carbon fiber and steel pipe composite recycled concrete pile, which comprises a pile cap, wherein an upper pile body is fixedly connected with the center of the bottom of the pile cap, a lower pile body is connected with the bottom of the upper pile body in a fastening manner, and a carbon fiber cloth layer is attached to the surfaces of the upper pile body and the lower pile body. The carbon fiber cloth layer has good corrosion resistance and permeation resistance, so that the reinforced concrete structure inside the carbon fiber cloth layer can be protected from corrosion, and the service life of the carbon fiber cloth layer is prolonged.
However, the carbon fiber cloth layer is formed by solidifying carbon fibers and resin, is crisp in texture and poor in anti-striking capability, is designed on the outer surface of the concrete pile, and is extremely easy to crack due to hammering when the concrete pile is hammered into a soil layer, so that the protection effect of the carbon fiber cloth layer is invalid, a long-acting corrosion-resistant effect is not achieved, and even the manufacturing cost of the concrete pile is increased.
Disclosure of Invention
The utility model aims to provide a carbon fiber and steel pipe composite recycled concrete pile, which aims to solve the problems in the prior art.
The embodiment of the utility model provides a carbon fiber and steel pipe composite recycled concrete pile, which comprises a pile cap and a pile tip, and is characterized in that a pile body is fixedly connected between the pile cap and the pile tip, the pile body comprises an anti-impact surface layer and a pile core, the anti-impact surface layer is of a frame-type structure with a hollow interior, and the pile core is arranged in the anti-impact surface layer; pile caps and pile tips are fixedly connected to the upper end and the lower end of the anti-collision surface layer respectively, anti-collision steel bars are fixed in the anti-collision surface layer, are distributed at four corners of the anti-collision surface layer, and vertically extend;
the pile comprises a pile core, wherein the pile core comprises a primary bearing frame body and a secondary bearing frame body which are stacked up and down, the primary bearing frame body is hollow, the primary bearing frame body is vertically communicated, and a primary fixed steel bar is fixedly connected to the diagonal line of the top of the primary bearing frame body; the inside of the secondary bearing frame body is hollow, the top of the secondary bearing frame body is open, secondary fixed steel bars are fixedly connected to the diagonal line of the top of the secondary bearing frame body, and the secondary fixed steel bars are perpendicular to the primary fixed steel bars; the top of the two-type bearing frame body is fixedly connected with a positioning column, and the bottom of the one-type bearing frame body is correspondingly provided with a positioning hole.
Further, the reinforced concrete is filled in the first type bearing frame body and the second type bearing frame body together.
Further, the height of the steel bar main body in the reinforced concrete is smaller than the height of the pile core.
Further, the outer parts of the first type bearing frame body and the second type bearing frame body are jointly wrapped with a carbon fiber cloth layer, and six surfaces of the pile core are wrapped by the carbon fiber cloth layer.
Further, the pile cap, the pile tip and the anti-impact surface layer are all made of concrete.
Further, a plurality of auxiliary steel bars are arranged in the anti-collision surface layer, the auxiliary steel bars are arranged in the same direction as the auxiliary steel bars, and the auxiliary steel bars are evenly spaced.
The beneficial effects of the utility model are as follows: the utility model is provided with the anti-impact surface layer which wraps the carbon fiber cloth layer, so that the impact force is applied to the anti-impact surface layer instead of the carbon fiber cloth layer in the process of entering the soil layer, thereby protecting the integrity of the carbon fiber cloth layer, further ensuring that the reinforced concrete structure inside the carbon fiber cloth layer is not corroded, and prolonging the service life of the pile body. The two solid reinforced bars are vertically staggered, so that the reinforced bars in the pile core are tightly combined with concrete, the pile core is stronger, and the bearing capacity is larger.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional structure of a pile body.
Fig. 3 is a schematic structural view of a type of bearing frame.
Fig. 4 is a schematic structural diagram of a two-type bearing frame.
In the figure: 1. a pile cap; 2. pile tip; 3. the surface layer is resisted; 4. steel bar resistance; 5. a carbon fiber cloth layer; 6. a first bearing frame; 7. a second type bearing frame; 8. a first type of fixed steel bar; 9. two-type fixed steel bars; 10. positioning columns; 11. a steel bar main body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
The carbon fiber and steel tube composite recycled concrete pile shown in fig. 1 and 2 comprises a pile cap 1 and a pile tip 2, wherein a pile body is fixedly connected between the pile cap 1 and the pile tip 2. Wherein the pile body comprises a resistant surface layer 3 and a pile core, wherein the resistant surface layer 3 is of a frame-type structure with a hollow interior, and the pile core is arranged in the hollow interior of the resistant surface layer 3. The pile cap 1 and the pile tip 2 are fixedly connected to the upper end and the lower end of the anti-collision surface layer 3 respectively, and the pile cap 1, the pile tip 2 and the anti-collision surface layer 3 are made of concrete. The inside of the anti-collision surface layer 3 is fixed with anti-collision steel bars 4, the anti-collision steel bars 4 are distributed at four corners of the anti-collision surface layer 3, and the anti-collision steel bars 4 vertically extend. The concrete of the anti-knocking surface layer 3 and the structure of the anti-knocking reinforcing steel bars 4 enable the anti-knocking surface layer 3 to have a certain hammering resisting function, so that the whole pile body can protect the inner carbon fiber cloth layer 5 from being damaged by the hammering when entering the soil layer.
The effect of the anti-impact surface layer 3 is to protect the inner carbon fiber cloth layer 5 in the process of entering the soil, so the number of the anti-impact steel bars 4 is small, and the intensity in the process of entering the soil can be met. In addition, in order to further enhance the strength of the knock-out surface layer 3 when necessary, a plurality of knock-out auxiliary rebars (not shown in the drawing) may be provided in the knock-out surface layer 3, the knock-out auxiliary rebars being disposed in the same direction as the knock-out rebars 4, the plurality of knock-out auxiliary rebars being spaced uniformly.
The outer surface of the pile core is wrapped with a carbon fiber cloth layer 5, the pile core wrapped by the carbon fiber cloth layer is the main body core position of the whole concrete pile, and the bearing capacity characteristic of the whole concrete pile is realized by the pile core. Therefore, the wrapped carbon fiber cloth layer 5 can well play the protection roles of corrosion prevention, permeation prevention and the like on the reinforced concrete inside, and the service life of the concrete pile is greatly prolonged.
The pile core comprises a primary bearing frame body 6 and a secondary bearing frame body 7 which are vertically stacked, a carbon fiber cloth layer 5 is jointly wrapped outside the primary bearing frame body 6 and the secondary bearing frame body 7, and six surfaces of the pile core are wrapped by the carbon fiber cloth layer 5.
As shown in fig. 3, the inside of the one-type bearing frame 6 is hollow and penetrates up and down, and a one-type solid reinforcing steel bar 8 is fixedly connected to the diagonal line of the top of the one-type bearing frame 6. As shown in fig. 4, the inside of the secondary bearing frame 7 is hollow, the top is open, the secondary fixed steel bar 9 is fixedly connected to the diagonal line of the top of the secondary bearing frame 7, and the secondary fixed steel bar 9 is perpendicular to the primary fixed steel bar 8. Firstly, respectively installing the reinforcing steel bar main bodies 11 in the first type bearing frame body 6 and the second type bearing frame body 7, then installing the first type bearing frame body 6 above the second type bearing frame body 7, and injecting concrete into the first type bearing frame body 6 and the second type bearing frame body 7 through the top opening of the first type bearing frame body 6. Finally, the pile core is manufactured by sealing the top of the bearing frame body 6 with concrete.
The top of the second type bearing frame body 7 is fixedly connected with a positioning column 10, and the bottom of the first type bearing frame body 6 is correspondingly provided with a positioning hole. The positioning column 10 is inserted into the positioning hole to realize the connection of the first bearing frame 6 and the second bearing frame 7.
The height of the reinforced concrete main body 11 shared in the first bearing frame 6 and the second bearing frame 7 is smaller than that of the pile core, and the height of the non-shared reinforced concrete main body 11 is smaller than that of the bearing frame.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The carbon fiber and steel pipe composite recycled concrete pile comprises a pile cap and a pile tip, and is characterized in that a pile body is fixedly connected between the pile cap and the pile tip, the pile body comprises an anti-impact surface layer and a pile core, the anti-impact surface layer is of a frame-type structure with a hollow interior, and the pile core is arranged in the anti-impact surface layer; pile caps and pile tips are fixedly connected to the upper end and the lower end of the anti-collision surface layer respectively, anti-collision steel bars are fixed in the anti-collision surface layer, are distributed at four corners of the anti-collision surface layer, and vertically extend;
the pile comprises a pile core, wherein the pile core comprises a primary bearing frame body and a secondary bearing frame body which are stacked up and down, the primary bearing frame body is hollow, the primary bearing frame body is vertically communicated, and a primary fixed steel bar is fixedly connected to the diagonal line of the top of the primary bearing frame body; the inside of the secondary bearing frame body is hollow, the top of the secondary bearing frame body is open, secondary fixed steel bars are fixedly connected to the diagonal line of the top of the secondary bearing frame body, and the secondary fixed steel bars are perpendicular to the primary fixed steel bars; the top of the two-type bearing frame body is fixedly connected with a positioning column, and the bottom of the one-type bearing frame body is correspondingly provided with a positioning hole.
2. A carbon fiber and steel pipe composite recycled concrete pile according to claim 1, wherein the interiors of the primary and secondary bearing frames are co-filled with reinforced concrete.
3. A carbon fiber and steel pipe composite recycled concrete pile according to claim 2 wherein the height of the rebar body in the reinforced concrete is less than the height of the pile core.
4. The composite recycled concrete pile of carbon fiber and steel pipe of claim 1, wherein the outer parts of the primary bearing frame body and the secondary bearing frame body are jointly wrapped with carbon fiber cloth layers, and the six surfaces of the pile core are wrapped by the carbon fiber cloth layers.
5. The carbon fiber and steel pipe composite recycled concrete pile according to claim 1, wherein the pile cap, the pile tip and the anti-collision surface layer are all made of concrete.
6. The carbon fiber and steel pipe composite recycled concrete pile according to claim 1, wherein a plurality of auxiliary steel bars are further arranged in the surface layer, the auxiliary steel bars are arranged in the same direction as the auxiliary steel bars, and the auxiliary steel bars are uniformly spaced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320514535.5U CN220183996U (en) | 2023-03-16 | 2023-03-16 | Carbon fiber and steel pipe composite recycled concrete pile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320514535.5U CN220183996U (en) | 2023-03-16 | 2023-03-16 | Carbon fiber and steel pipe composite recycled concrete pile |
Publications (1)
Publication Number | Publication Date |
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CN220183996U true CN220183996U (en) | 2023-12-15 |
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ID=89112736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320514535.5U Active CN220183996U (en) | 2023-03-16 | 2023-03-16 | Carbon fiber and steel pipe composite recycled concrete pile |
Country Status (1)
Country | Link |
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CN (1) | CN220183996U (en) |
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2023
- 2023-03-16 CN CN202320514535.5U patent/CN220183996U/en active Active
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