Prestressed hollow square pile reinforced structure
By setting reinforcing components inside the prestressed hollow square piles to form an integrated structure, the problem of loose connections is solved, the bearing capacity and stability of the piles are improved, and the safety of the building is ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN HEXINGYUAN CONSTRAL ENG CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-26
AI Technical Summary
Existing prestressed hollow square piles are prone to loosening at the joints, resulting in unstable connections during pile driving and potential detachment under external forces, affecting load-bearing capacity and building safety.
Reinforcing components are installed inside the pile, including an upper reinforcing block, a lower reinforcing block, reinforcing ribs, a support ring, a hanging rod, and a positioning groove. These components are integrated into a reinforced structure by pouring concrete, which enhances the overall integrity of the pile body. The top ring is then fixed to the hanging rod to reduce stress concentration.
It improves the compressive and shear resistance of prestressed hollow square piles, enhances their bearing capacity, ensures the uniform transfer of building loads, and improves the stability and service life of the structure.
Smart Images
Figure CN224412522U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building foundation construction technology, specifically a prestressed hollow square pile reinforcement structure. Background Technology
[0002] In the field of modern building foundation construction, prestressed hollow square piles have become a commonly used foundation component due to their significant advantages such as light weight, material savings, and fast construction speed. They can effectively transfer the load of the superstructure to the depth of the foundation, ensuring the overall stability of the building.
[0003] A search revealed CN221398950U, a prestressed hollow square pile, comprising a pile body and end plates. End plates are fixed at both ends of the pile body, and a core hole is pre-formed between the end plates and the pile body. The pile also includes an internal support mechanism, comprising a filling tube, an inner fixing strip, a C-shaped seat, a support plate, connecting bars, a core connecting strip, a core tube, and side rods. A filling tube is inserted into the core hole, and the inner wall of the filling tube has an inner fixing groove. The internal support mechanism is set between the pile body and the end plates of the prestressed hollow square pile. When the internal support mechanism is installed in the core hole of the pile body and the end plates and concrete grout is poured in for filling and solidification, the solidified concrete grout column can be supported by the inner frame formed by the support plate and connecting bars, as well as the support structure formed by the connecting bars, core connecting strip, and core tube. This ensures that there is a strong filling structure within the end plates and pile body of the prestressed hollow square pile, making the prestressed hollow square pile less prone to damage under stress due to strong internal support.
[0004] The connection structure between the pile and the backfill pipe is not stable enough, which makes the connection prone to loosening during the pile driving process due to continuous impact and vibration. After the building is put into use, if it is subjected to external forces such as earthquakes or strong winds, the backfill pipe and the pile may even fall off. This not only reduces the bearing capacity of the prestressed hollow square pile and affects its effective transfer of building load, but may also cause uneven settlement of the foundation, threaten the safety of the building structure, and significantly shorten the service life of the building. Utility Model Content
[0005] The purpose of this utility model is to provide a prestressed hollow square pile reinforcement structure to solve the problems mentioned in the background art. To solve the above technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model relates to a prestressed hollow square pile reinforcement structure, comprising:
[0007] pile body;
[0008] The reinforcing component includes an upper reinforcing block, a lower reinforcing block, a reinforcing rib, a support ring, a hanging rod, and a positioning groove. The upper reinforcing blocks are distributed on the upper part of the inner surface of the pile body, and the lower reinforcing blocks are distributed on the lower part of the inner surface of the pile body. The support rings are fixedly connected between multiple upper and lower reinforcing blocks. The reinforcing ribs are cast through and connected between multiple support rings. The hanging rod is fixed to the outer end of the reinforcing rib. The positioning groove is opened at the top and bottom of the inner surface of the pile body, and the hanging rod is suspended inside the positioning groove.
[0009] Furthermore, the upper and lower parts of the pile are both inlaid with top rings, which respectively block the top of the upper reinforcing block and the bottom of the lower reinforcing block.
[0010] Furthermore, the top of the top ring has an inner groove.
[0011] Furthermore, a plug rod is fixed to the bottom of the top ring, and plug holes are provided at the top and bottom of the inner surface of the pile body, and the plug rod is inserted into the plug hole.
[0012] Furthermore, the inner groove has a slot, one end of the bottom of the top ring is provided with a limiting ring, and the outer end of the limiting ring has a locking hole, which is engaged with the top of the hanging rod.
[0013] Furthermore, it also includes a crack-prevention component, which includes a crack-prevention ring one and a crack-prevention ring two. The crack-prevention ring one is disposed at one end of the top of the lower reinforcing block, and the crack-prevention ring two is disposed at the other end of the top of the lower reinforcing block.
[0014] Furthermore, the bottom of the upper reinforcing block is provided with a retaining ring, and the top of the lower reinforcing block is provided with a slot, the retaining ring being inserted and connected inside the slot.
[0015] This utility model has the following beneficial effects:
[0016] This utility model, through the provision of reinforcing components, consists of an upper reinforcing block, a lower reinforcing block, reinforcing ribs, and a support ring installed inside the pile body. A hanging rod is suspended inside the positioning groove. The top ring is embedded in the top and bottom of the pile body's inner surface and engages with the top of the hanging rod through a locking hole. The inner groove is filled with concrete, allowing the top ring to fuse with the upper and lower reinforcing blocks, forming an integrated reinforcing structure. This enhances the overall integrity of the pile body, reduces stress concentration, and enables more even pressure transmission and dispersion when bearing building loads. It effectively improves the compressive and shear strength of the prestressed hollow square pile, thereby significantly enhancing its bearing capacity and providing reliable support for the superstructure. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall pile body of this utility model;
[0019] Figure 2 This is a sectional view of the pile body of this utility model;
[0020] Figure 3 This is a schematic diagram of the upper and lower reinforcing blocks after disassembly.
[0021] Figure 4 This is a schematic diagram of the pile body after the upper and lower reinforcing blocks of this utility model are disassembled.
[0022] The attached diagram lists the components represented by each number as follows:
[0023] 100. Pile body;
[0024] 200. Upper reinforcing block; 201. Lower reinforcing block; 202. Reinforcing rib; 203. Support ring; 204. Hanging rod; 205. Inner groove; 206. Top ring; 207. Positioning groove;
[0025] 300. Insert rod; 301. Groove; 302. Limiting ring; 303. Locking hole; 304. Insertion hole;
[0026] 400. Insert ring; 401. Slot; 402. Anti-crack ring one; 403. Anti-crack ring two. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0029] Please see Figure 1-4 As shown, this utility model is a prestressed hollow square pile reinforcement structure, comprising:
[0030] Pile body 100;
[0031] The reinforcing component includes an upper reinforcing block 200, a lower reinforcing block 201, a reinforcing rib 202, a support ring 203, a hanging rod 204, and a positioning groove 207. The upper reinforcing blocks 200 are distributed on the upper part of the inner surface of the pile body 100, and the lower reinforcing blocks 201 are distributed on the lower part of the inner surface of the pile body 100. The support rings 203 are fixedly connected between multiple upper reinforcing blocks 200 and multiple lower reinforcing blocks 201 respectively. The reinforcing ribs 202 are cast through and connected between multiple support rings 203. The hanging rod 204 is fixed to the outer end of the reinforcing rib 202. The positioning groove 207 is opened at the top and bottom of the inner surface of the pile body 100, and the hanging rod 204 is suspended inside the positioning groove 207.
[0032] After the upper reinforcing block 200, lower reinforcing block 201, reinforcing rib 202 and support ring 203 are installed inside the pile body 100, the hanging rod 204 is suspended inside the positioning groove 207, and the inner groove 205 is filled with water, so that the top ring 206 is fused with the upper reinforcing block 200 and lower reinforcing block 201 to form an integrated reinforcing structure, which enhances the integrity of the pile body 100.
[0033] The upper and lower parts of the pile body 100 are both inlaid with top rings 206, which respectively block the top of the upper reinforcing block 200 and the bottom of the lower reinforcing block 201;
[0034] The top ring 206 is embedded in the top and bottom of the inner surface of the pile body 100 and is engaged with the top of the hanging rod 204 through the locking hole 303.
[0035] The top of the top ring 206 has an inner groove 205.
[0036] A rod 300 is fixed to the bottom of the top ring 206. Insertion holes 304 are provided at the top and bottom of the inner surface of the pile body 100. The rod 300 is inserted and connected to the inside of the insertion hole 304.
[0037] After the top ring 206 is embedded in the top and bottom of the inner surface of the pile body 100, the insertion rod 300 can be inserted into the inside of the insertion hole 304 to fix the top ring 206.
[0038] The inner groove 205 has a slot 301 inside, and a limit ring 302 is provided at one end of the bottom of the top ring 206. The outer end of the limit ring 302 has a locking hole 303, which is engaged with the top of the hanging rod 204.
[0039] After the top ring 206 is inlaid, the locking hole 303 will engage with the top of the hanging rod 204 to position the hanging rod 204.
[0040] The working principle is as follows: First, the upper reinforcing block 200, reinforcing rib 202, and support ring 203 are assembled and installed on the upper part of the inner surface of the pile body 100. At the same time, the lower reinforcing block 201, reinforcing rib 202, and support ring 203 are assembled and installed on the lower part of the inner surface of the pile body 100. This initially enhances the strength and stability of the upper and lower parts of the pile body 100. The reinforcing rib 202 can effectively disperse stress, while the support ring 203 provides a stable support frame. Next, the hanging rod 204 is suspended inside the pre-set positioning groove 207. Then, the top ring 206 is embedded in the top and bottom of the inner surface of the pile body 100. The top ring 206 is engaged with the top of the hanging rod 204 through the snap hole 303, so that the top ring 206 is initially fixed to the pile body 100. At this time, the insertion rod 300 is inserted into the insertion hole 304. Subsequently, the inner groove 205 on the inner surface of the pile body 100 is filled with concrete. Because the diameter of the slot 401 is larger than that of the insert rod 300, when the concrete is poured, the concrete not only fills the inner groove 205, but also transfers to the inside of the slot 401. As the concrete solidifies, the top ring 206 fuses with the upper reinforcing block 200 and the lower reinforcing block 201. At the same time, the insert rod 300 and the slot 401 are also tightly bonded due to the filling and solidification of the concrete, ultimately forming an integrated reinforcing structure. During the building's use, when the prestressed hollow square pile bears the building load, the integrated reinforcing structure can play a full role. The upper and lower double reinforcement structures and the fusion of the top ring 206 and the reinforcing block enhance the integrity of the pile body 100 and effectively reduce stress concentration.
[0041] Please see Figure 1 , Figure 3 As shown, this embodiment, based on the above embodiment, further includes:
[0042] The crack prevention component includes a crack prevention ring 402 and a crack prevention ring 403. The crack prevention ring 402 is disposed at one end of the top of the lower reinforcing block 201, and the crack prevention ring 403 is disposed at the other end of the top of the lower reinforcing block 201.
[0043] After the upper reinforcing block 200 and the lower reinforcing block 201 are installed on the inner surface of the pile body 100, the crack-prevention ring 402 surrounds the gap between the inner surfaces of the upper reinforcing block 200 and the lower reinforcing block 201, while the crack-prevention ring 403 surrounds the gap between the outer surfaces of the upper reinforcing block 200 and the lower reinforcing block 201.
[0044] The bottom of the upper reinforcing block 200 is provided with a retaining ring 400, and the top of the lower reinforcing block 201 is provided with a slot 401, and the retaining ring 400 is inserted and connected to the inside of the slot 401;
[0045] The insert ring 400 is inserted into the interior of the slot 401, so that the upper reinforcing block 200 and the lower reinforcing block 201 are mounted on the inner surface of the pile body 100.
[0046] Working principle: During structural installation, the upper reinforcing block 200 and the lower reinforcing block 201 are first installed at corresponding positions on the inner surface of the pile body 100. Anti-crack ring 1 402 surrounds the gap between the inner surfaces of the upper reinforcing block 200 and the lower reinforcing block 201, and anti-crack ring 2 403 surrounds the gap between the outer surfaces of the upper reinforcing block 200 and the lower reinforcing block 201. Through their own elasticity and rigidity, anti-crack ring 1 402 and anti-crack ring 2 403 can effectively disperse the stress in the gap. When the pile body 100 is subjected to external force and tends to deform, anti-crack ring 1 402 and anti-crack ring 2 403 will apply a reverse force to the material around the gap, inhibiting the deformation of the material in the gap, thereby preventing the generation and expansion of cracks and enhancing the integrity and durability of the pile body 100 structure.
[0047] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A prestressed hollow square pile reinforced structure, characterized in that, include: pile(100); The reinforcing component includes an upper reinforcing block (200), a lower reinforcing block (201), a reinforcing rib (202), a support ring (203), a hanging rod (204), and a positioning groove (207). The upper reinforcing block (200) is distributed on the upper part of the inner surface of the pile body (100), the lower reinforcing block (201) is distributed on the lower part of the inner surface of the pile body (100), the support ring (203) is fixedly connected between multiple upper reinforcing blocks (200) and multiple lower reinforcing blocks (201), the reinforcing rib (202) is poured through and connected between multiple support rings (203), the hanging rod (204) is fixed to the outer end of the reinforcing rib (202), and the positioning groove (207) is opened at the top and bottom of the inner surface of the pile body (100). The hanging rod (204) is suspended inside the positioning groove (207).
2. The prestressed hollow square pile reinforced structure according to claim 1, characterized in that: The upper and lower parts of the pile body (100) are both inlaid with top rings (206), which block the top of the upper reinforcing block (200) and the bottom of the lower reinforcing block (201), respectively.
3. The prestressed hollow square pile reinforced structure according to claim 2, characterized in that: The top of the top ring (206) has an inner groove (205).
4. The prestressed hollow square pile reinforced structure according to claim 2, characterized in that: The bottom of the top ring (206) is fixed with a plug rod (300), and the top and bottom of the inner surface of the pile body (100) are provided with plug holes (304), and the plug rod (300) is inserted and connected to the inside of the plug hole (304).
5. The prestressed hollow square pile reinforced structure according to claim 3, characterized in that: The inner groove (205) has a slot (301) inside, and a limit ring (302) is provided at one end of the bottom of the top ring (206). A locking hole (303) is provided at the outer end of the limit ring (302), and the locking hole (303) is engaged with the top of the hanging rod (204).
6. The prestressed hollow square pile reinforcement structure according to claim 1, characterized in that: It also includes a crack-prevention component, which includes a crack-prevention ring one (402) and a crack-prevention ring two (403). The crack-prevention ring one (402) is disposed at one end of the top of the lower reinforcing block (201), and the crack-prevention ring two (403) is disposed at the other end of the top of the lower reinforcing block (201).
7. A prestressed hollow square pile reinforcement structure according to claim 6, characterized in that: The bottom of the upper reinforcing block (200) is provided with a plug ring (400), and the top of the lower reinforcing block (201) is provided with a slot (401). The plug ring (400) is inserted and connected inside the slot (401).