CN219568848U - Precast pile with pile cap - Google Patents
Precast pile with pile cap Download PDFInfo
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- CN219568848U CN219568848U CN202320741861.XU CN202320741861U CN219568848U CN 219568848 U CN219568848 U CN 219568848U CN 202320741861 U CN202320741861 U CN 202320741861U CN 219568848 U CN219568848 U CN 219568848U
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- reinforcement cage
- pile
- precast pile
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a precast pile with a pile cap, which comprises a precast pile body and a prestressed reinforcement cage, wherein the prestressed reinforcement cage is pre-buried in the precast pile body and comprises a plurality of prestressed steel bars circumferentially arranged along the precast pile body, and the end parts of the prestressed steel bars are flush with the top end of the precast pile body; the anchoring reinforcement cage is embedded in the precast pile body, one end of the anchoring reinforcement cage is connected with the prestressed reinforcement cage, and the other end of the anchoring reinforcement cage extends out of the central position of the top end of the precast pile body; the pile cap comprises a bottom plate arranged at the top of the precast pile body and a cap body connected to the bottom plate, the cap body is sleeved outside the anchoring reinforcement cage, one end, far away from the bottom plate, of the cap body is closed, and the bottom plate is detachably connected to the end part of the prestressed steel bar. The utility model improves the construction efficiency while ensuring the connection strength of the precast pile body and the bearing platform, reduces the engineering cost, and has the effects of energy conservation and environmental protection, and the cap body can be welded by waste steel plates.
Description
Technical Field
The utility model relates to the field of precast piles, in particular to a precast pile with a pile cap.
Background
The reinforced concrete precast pile is simply called precast pile, which is prefabricated in a prefabricated member processing factory and is formed by curing. After the pile is conveyed to a construction site, the pile driver is used for driving the pile into the soil, and then a bearing platform beam (plate) foundation is poured at the top of the pile, so that the pile is suitable for foundation treatment such as silt, mucky soil, cohesive soil, silt soil, sandy soil, manual filling soil and the like. In the construction of foundations, it is necessary to ensure sufficient anchoring force between the precast pile and the pile cap.
The anchoring force of precast pile and cushion cap is guaranteed through two modes at present, and the first mode is to reserve the anchor reinforcing bar of a section length at the pile bolck of precast pile, breaks the concrete of pile bolck when the excavation is to the foundation bottom, makes reserved anchor reinforcing bar expose to anchor the reinforcing bar and the steel reinforcement cage anchor of cushion cap is connected, then pour together. However, the pile breaking process requires labor and material resources, and the construction cost is increased.
The second mode is to reserve a joint with internal threads on the pile top of the precast pile, then connect the anchor bars in the joint by threads, connect the anchor bars with the reinforcement cage of the bearing platform, and finally pour the anchor bars together. But dig the quick-witted can damage the pile body often when being under construction, lead to the joint to damage, and connect inside also remain impurity easily, finally lead to the anchor reinforcing bar screw in to connect unreliable behind the joint, have the potential safety hazard.
Disclosure of Invention
In order to improve the construction efficiency and reduce the construction cost on the premise of ensuring the construction quality, the utility model provides a precast pile with a pile cap.
The precast pile with the pile cap provided by the utility model adopts the following technical scheme:
a precast pile with pile caps comprises a precast pile body,
the prestress reinforcement cage is embedded in the precast pile body and comprises a plurality of prestress steel bars circumferentially arranged along the precast pile body, and the end parts of the prestress steel bars are flush with the top end of the precast pile body;
the anchoring reinforcement cage is embedded in the precast pile body, one end of the anchoring reinforcement cage is connected with the prestressed reinforcement cage, and the other end of the anchoring reinforcement cage extends out of the central position of the top end of the precast pile body;
the pile cap comprises a bottom plate arranged at the top of the precast pile body and a cap body connected to the bottom plate, wherein the cap body is sleeved outside the anchoring reinforcement cage, one end, away from the bottom plate, of the cap body is closed, and the bottom plate is detachably connected to the end part of the prestressed steel bar.
Through adopting above-mentioned technical scheme, the anchor reinforcement cage of precast pile body is extended to the inside pre-buried part of precast pile body to can dismantle the connection pile cap in the top of precast pile body, the bottom plate can be dismantled and be connected on the stretch-draw hole of prestressing force steel bar, need not to increase the junction point position. Pile cap cover is established in the anchor steel reinforcement cage outside, and in precast pile body transportation, hoist and mount, pile sinking, earthwork excavation work in-process, the pile cap protects the anchor steel reinforcement cage, and pile cap one end seals and sets up and has also promoted the inside cleanliness of pile cap.
During construction, the precast pile body provided with the pile cap is directly driven to a set elevation, then the pile cap is disassembled, the anchoring reinforcement cage is directly anchored on the reinforcement cage of the bearing platform, and then the exposed anchoring reinforcement cage and the bearing platform are poured together. Because the anchoring reinforcement cage part is embedded in the precast pile body, the construction efficiency is higher while the connection strength of the precast pile body and the bearing platform is ensured. In addition, the pile cap can be recycled, so that the resource waste is reduced, and the engineering cost is reduced.
Optionally, the prestressing reinforcement cage further comprises stirrups, the stirrups are arranged outside a plurality of rings formed by encircling the prestressing steel bars, and the stirrups are arranged along the length direction of the prestressing steel bars.
Through adopting above-mentioned technical scheme, utilize a plurality of bundle muscle cover to establish in the outside that a plurality of prestressing force steel bars enclose into the square ring, tie together a plurality of prestressing force steel bars through bundle muscle, link into a whole to form prestressing force steel reinforcement cage.
Optionally, the anchor steel reinforcement cage includes a plurality of edges anchor muscle and bundle muscle that precast pile body length direction set up, a plurality of anchor muscle encloses into the annular, anchor muscle pre-buried is in the inside one end of precast pile body is provided with the connecting rib, the connecting rib with prestressing force steel reinforcement cage is connected, bundle muscle sets up a plurality of anchor muscle encloses into annular outside, bundle muscle is followed anchor muscle length direction sets up a plurality of.
Through adopting above-mentioned technical scheme, the anchor muscle plays the effect of connecting precast pile body and cushion cap, connects anchor muscle and prestressing force steel reinforcement cage through the connecting rod simultaneously, and the anchor steel reinforcement cage directly realizes reliably being connected with prestressing force steel reinforcement cage, promotes the joint strength of anchor steel reinforcement cage and precast pile body.
Optionally, the connecting rib includes ligature portion and connecting portion, ligature portion with prestressing force bar parallel arrangement, connecting portion connect ligature portion with anchor muscle.
Through adopting above-mentioned technical scheme, set up the ligature portion parallel with prestressing force bar, conveniently be in the same place connecting rib and prestressing force steel reinforcement cage ligature, and connecting portion is located between prestressing force steel reinforcement cage and the anchor reinforcing bar, after precast pile body shaping, connecting portion still plays spacing effect to the anchor reinforcing bar, makes the anchor reinforcing bar be difficult for removing, promotes the joint strength of anchor reinforcing bar and precast pile body.
Optionally, the connecting rib and the anchor rib integrated into one piece sets up, just the connecting rib with the junction of anchor rib passes through the circular arc transition.
Through adopting above-mentioned technical scheme, with connecting rod and anchor muscle integrated into one piece setting, promoted the joint strength of connecting rod and anchor muscle.
Optionally, the cap body is circular.
Through adopting above-mentioned technical scheme, when a plurality of anchor muscle enclose into the ring, set up the cap body circular to make the cap body and anchor steel reinforcement cage adaptation, promote the protection effect of cap body to the anchor steel reinforcement cage.
Optionally, the cap body is square.
By adopting the technical scheme, the field material is limited, and when the circular cap body is inconvenient to manufacture, the cap body can be manufactured into a square shape, so that the adaptability is stronger.
Optionally, the pile cap is formed by welding steel materials.
By adopting the technical scheme, the steel pile cap is convenient to produce, the steel plate can be used by cutting and welding, the waste steel plate can be recycled on the construction site, the production cost is low, and the production is convenient. Meanwhile, a certain part is damaged, so that the patch can be conveniently welded at the damaged part directly, and the use cost is reduced.
Optionally, the junction of bottom plate with the cap body is provided with the stiffening rib, the stiffening rib is provided with a plurality of along the cap body circumference.
Through adopting above-mentioned technical scheme, utilize stiffening rib to strengthen the joint strength between the cap body and the bottom plate to make the cap body not fragile when receiving dig the machine striking, promote the stability of cap body work, better play the effect of protection to the anchor muscle.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the anchoring reinforcement cage of the precast pile body extends out of the embedded part inside the precast pile body, the pile cap is detachably connected to the top end of the precast pile body, and the bottom plate is connected to the stretching hole of the prestressed steel rod without increasing the connecting point. Pile cap cover is established in the anchor steel reinforcement cage outside, and in precast pile body transportation, hoist and mount, pile sinking, earthwork excavation work in-process, the pile cap protects the anchor steel reinforcement cage, and pile cap one end seals and sets up and has also promoted the inside cleanliness of pile cap. During construction, the precast pile body provided with the pile cap is directly driven to a set elevation, then the pile cap is disassembled, the anchoring reinforcement cage is directly anchored on the reinforcement cage of the bearing platform, and then the exposed anchoring reinforcement cage and the bearing platform are poured together. Because the anchoring reinforcement cage part is embedded in the precast pile body, the construction efficiency is higher while the connection strength of the precast pile body and the bearing platform is ensured. In addition, the pile cap can be recycled, so that the resource waste is reduced, and the engineering cost is reduced.
2. The steel pile cap is convenient to produce, can be used by cutting and welding the steel plate, can recycle the waste steel plate on the construction site, and has low production cost and convenient production. Meanwhile, a certain part is damaged, so that the patch can be conveniently welded at the damaged part directly, and the use cost is reduced.
3. The connecting strength between the cap body and the bottom plate is enhanced by the reinforcing ribs, so that the cap body is not easy to damage when impacted by the excavator, the working stability of the cap body is improved, and the anchoring ribs are better protected.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present utility model.
Fig. 2 is a schematic view showing the structure of the anchor rib in embodiment 1 of the present utility model.
Fig. 3 is a schematic view showing the structure of the prestressed reinforcement cage and the anchoring reinforcement cage according to embodiment 1 of the present utility model.
Fig. 4 is a schematic view showing the construction of a pile cap according to embodiment 2 of the present utility model.
Reference numerals illustrate:
1. precast pile body; 2. prestress reinforcement cage; 21. a prestressed steel bar; 22. stirrups; 3. anchoring the reinforcement cage; 31. an anchoring rib; 32. binding the ribs; 33. a connecting rib; 331. a binding part; 332. a connection part; 4. a pile cap; 41. a bottom plate; 42. a cap body; 43. reinforcing ribs.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a precast pile with a pile cap.
Example 1
Referring to fig. 1 and 2, a precast pile with pile cap includes a precast pile body 1, a prestressed reinforcement cage 2, an anchor reinforcement cage 3 and a pile cap 4, wherein the prestressed reinforcement cage 2 and the anchor reinforcement cage 3 are both embedded in the precast pile body 1, the anchor reinforcement cage 3 is located at a position close to the top of the precast pile body 1, and the anchor reinforcement cage 3 extends out of the top of the precast pile body 1. The pile cap 4 is detachably connected to the top of the precast pile body 1, and the pile cap 4 is sleeved outside the anchoring reinforcement cage 3.
Referring to fig. 1 and 2, an anchor reinforcement cage 3 exposed at the pile top of a precast pile body 1 is protected by a pile cap 4, the pile cap 4 is removed after the precast pile body 1 is driven to a set elevation, the anchor reinforcement cage 3 is directly anchored on a reinforcement cage of a bearing platform, and then the exposed anchor reinforcement cage 3 and the bearing platform are poured together. The construction efficiency is improved while the connection strength of the precast pile body 1 and the bearing platform is ensured.
Referring to fig. 2 and 3, the precast pile body 1 is a square pile, the prestressed reinforcement cage 2 comprises prestressed steel bars 21 and stirrups 22, the prestressed steel bars 21 are arranged along the length direction of the precast pile body 1, the prestressed steel bars 21 are circumferentially arranged along the precast pile body 1 and form a plurality of square rings in a surrounding manner, in this embodiment, eight examples are taken, the end parts of the prestressed steel bars 21 are flush with the top end of the precast pile body 1, and tensioning holes in the prestressed steel bars 21 are exposed. The stirrup 22 sets up the annular outside that encloses at a plurality of prestressing force steel bar 21, and stirrup 22 is provided with a plurality of along prestressing force steel bar 21 length direction, and stirrup 22 and prestressing force steel bar 21 ligature are in the same place.
Referring to fig. 2 and 3, the anchoring reinforcement cage 3 includes an anchoring rib 31 and a binding rib 32, the anchoring rib 31 and the prestressed steel bar 21 are arranged in parallel, a plurality of anchoring ribs 31 are enclosed into a circular ring shape, one end of the anchoring rib 31 is located inside the prestressed reinforcement cage 2 and is integrally formed with a connecting rib 33, the connecting rib 33 includes an integrally formed binding portion 331 and a connecting portion 332, the binding portion 331 and the prestressed steel bar 21 are arranged in parallel, the connecting portion 332 and the prestressed steel bar 21 are vertically arranged, the connecting portion 332 is connected with the binding portion 331 and the anchoring rib 31, the connecting portion of the connecting rib 33 and the anchoring rib 31 is in arc transition, and the other end of the anchoring rib 31 extends out of the precast pile body 1.
Referring to fig. 2 and 3, the binding rib 32 is sleeved outside a circular ring surrounded by a plurality of anchoring ribs 31, a plurality of binding ribs 32 are arranged along the length direction of the anchoring ribs 31, the binding ribs 32 are all positioned inside the precast pile body 1, and the stirrups 22 are bound with the prestressed steel bars 21.
Referring to fig. 1 and 3, the pile cap 4 includes a bottom plate 41 and a cap 42, the bottom plate 41 is disposed at the top of the precast pile body 1, the bottom plate 41 is a steel plate with a through hole, the bottom plate 41 is detachably connected to the end of the prestressed steel rod 21, the detachable connection mode in this embodiment is a bolt connection, and the bolt passes through the bottom plate 41 to be connected to the tensile hole of the prestressed steel rod 21. The cap body 42 is a circular ring, one end of the cap body 42 far away from the bottom plate 41 is closed, the cap body 42 is obtained by welding a sealing plate at the end after a steel pipe is cut, and the cap body 42 is welded with the bottom plate 41. The cap 42 is sleeved outside the exposed anchor rib 31 to protect the anchor rib 31.
Referring to fig. 1, reinforcing ribs 43 are welded at the connection between the bottom plate 41 and the cap 42, the reinforcing ribs 43 may be triangular or trapezoidal, and a plurality of reinforcing ribs 43 are provided along the circumference of the cap 42, in this embodiment, four reinforcing ribs are exemplified.
The implementation principle of the precast pile with the pile cap provided by the embodiment of the utility model is as follows: in the processes of precast pile body 1 transportation, hoisting, pile sinking, earth excavation construction and the like, pile caps 4 protect the anchoring reinforcement cages 3.
During construction, the precast pile body 1 is driven to a set elevation, then the pile cap 4 is disassembled, the anchoring reinforcement cage 3 is directly anchored on the reinforcement cage of the bearing platform, and the exposed anchoring reinforcement cage 3 and the bearing platform are poured together. The connection strength of the precast pile body 1 and the bearing platform is guaranteed, the construction efficiency is improved, the engineering cost is reduced, meanwhile, the pile cap 4 can be patched and reused, and the energy-saving and environment-friendly effects are achieved.
Example 2
Referring to fig. 4, the present embodiment is different from embodiment 1 in that the cap body 42 is provided in a square shape, and the cap body 42 is formed by welding after cutting a steel plate.
The implementation principle of the embodiment 2 is as follows: in the absence of round tubes or scrap steel plates, the steel plates may be welded to form square pile caps 4.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. A precast pile with pile caps is characterized by comprising a precast pile body (1),
the prestress reinforcement cage (2), the prestress reinforcement cage (2) is pre-buried inside the precast pile body (1), the prestress reinforcement cage (2) comprises a plurality of prestress steel bars (21) circumferentially arranged along the precast pile body (1), and the end parts of the prestress steel bars (21) are flush with the top end of the precast pile body (1);
the anchoring reinforcement cage (3), the anchoring reinforcement cage (3) is pre-buried inside the precast pile body (1), one end of the anchoring reinforcement cage (3) is connected with the prestressed reinforcement cage (2), and the other end of the anchoring reinforcement cage (3) extends out of the central position of the top end of the precast pile body (1);
pile cap (4), pile cap (4) are including setting up bottom plate (41) at precast pile body (1) top and connect cap body (42) on bottom plate (41), cap body (42) cover is established anchor steel reinforcement cage (3) are outside, cap body (42) are kept away from the one end closure setting of bottom plate (41), bottom plate (41) detachable connection is in prestressing force bar (21) tip.
2. A precast pile with a pile cap according to claim 1, characterized in that: the prestress reinforcement cage (2) further comprises stirrups (22), the stirrups (22) are arranged outside a plurality of rings surrounded by the prestress steel bars (21), and the stirrups (22) are arranged along the length direction of the prestress steel bars (21).
3. A precast pile with a pile cap according to claim 1, characterized in that: the anchor steel reinforcement cage (3) include a plurality of edges anchor muscle (31) and bundle muscle (32) that precast pile body (1) length direction set up, a plurality of anchor muscle (31) enclose into the annular, anchor muscle (31) are pre-buried one end inside precast pile body (1) is provided with connecting rib (33), connecting rib (33) with prestressing force steel reinforcement cage (2) are connected, bundle muscle (32) set up a plurality of anchor muscle (31) enclose into annular outside, bundle muscle (32) are followed anchor muscle (31) length direction sets up a plurality of.
4. A precast pile with a pile cap according to claim 3, characterized in that: the connecting rib (33) comprises a binding portion (331) and a connecting portion (332), the binding portion (331) is arranged in parallel with the prestress steel bar (21), and the connecting portion (332) is connected with the binding portion (331) and the anchoring rib (31).
5. A precast pile with a pile cap as defined in claim 4, wherein: the connecting ribs (33) and the anchoring ribs (31) are integrally formed, and the connecting positions of the connecting ribs (33) and the anchoring ribs (31) are in arc transition.
6. A precast pile with a pile cap according to claim 3, characterized in that: the cap body (42) is arranged in a circular shape.
7. A precast pile with a pile cap according to claim 3, characterized in that: the cap body (42) is square.
8. A precast pile with a pile cap according to claim 1, characterized in that: the pile cap (4) is formed by welding steel materials.
9. A precast pile with a pile cap according to claim 1, characterized in that: the connecting part of the bottom plate (41) and the cap body (42) is provided with a plurality of reinforcing ribs (43), and the reinforcing ribs (43) are circumferentially arranged along the cap body (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320741861.XU CN219568848U (en) | 2023-04-06 | 2023-04-06 | Precast pile with pile cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320741861.XU CN219568848U (en) | 2023-04-06 | 2023-04-06 | Precast pile with pile cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219568848U true CN219568848U (en) | 2023-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320741861.XU Active CN219568848U (en) | 2023-04-06 | 2023-04-06 | Precast pile with pile cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219568848U (en) |
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2023
- 2023-04-06 CN CN202320741861.XU patent/CN219568848U/en active Active
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