CN216920329U - Simple precast pile and positioning device thereof - Google Patents
Simple precast pile and positioning device thereof Download PDFInfo
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- CN216920329U CN216920329U CN202220124775.XU CN202220124775U CN216920329U CN 216920329 U CN216920329 U CN 216920329U CN 202220124775 U CN202220124775 U CN 202220124775U CN 216920329 U CN216920329 U CN 216920329U
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- 230000003014 reinforcing effect Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 abstract description 9
- 239000004568 cement Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a simple precast pile and a positioning device thereof, wherein the positioning device comprises an upper positioning device and a bottom positioning device, and the upper positioning device is positioned above the bottom positioning device; the upper positioning device comprises two concentric double-layer semicircular rings, the two concentric double-layer semicircular rings are arranged in the same horizontal plane, the horizontal ends of the two concentric double-layer semicircular rings are connected with each other, and a large semicircular ring and a small semicircular ring of the same concentric double-layer semicircular ring are connected through a transverse rib; the core pile body is placed in the central holes of the upper positioning device and the bottom positioning device. The simple precast pile positioning device solves the technical problems that when the core pile is implanted into the cement soil pile, the central axes of the core pile and the cement soil pile are not easy to be collinear, the core pile is easy to lean against the hole wall, and the bearing capacity of the composite pile is influenced; meanwhile, the simple positioning device is simple in structure, low in cost and convenient to install, the concentricity of the inner pile and the outer pile of the formed composite pile is good, the structure is stable, and the bearing capacity is strong.
Description
Technical Field
The utility model relates to the technical field of pile foundation engineering, in particular to a simple precast pile and a positioning device thereof.
Background
At present, the construction technology of precast piles is rapidly developed, and as the precast piles have the advantages of large bearing capacity of single piles, reliable pile forming quality, high construction speed, short construction period, low construction cost and the like, and accord with the policy of the prefabricated assembly type building which is vigorously developed in China at present, the precast piles are widely applied to pile foundations of various buildings.
However, the precast pile is directly driven (or pressed) to the designed depth of the soil layer by adopting a hammering penetration method and a static pile pressing method, and the method is only suitable for softer strata such as cohesive soil, silt and the like. The method for directly pressing the precast pile into the stratum is not applicable to rock-throwing filling, miscellaneous filling, gravel filling strata and complex strata such as dense sandy soil, gravel soil, weathered rock and the like. For the precast pile used in the complex stratum, a down-the-hole impact high-pressure jet grouting process is adopted to lead the hole, and then the core pile body is implanted; or a process of compounding the pipe piles is adopted. However, the diameter of the pilot hole or the diameter of the cement pile is generally 100 mm-300 mm larger than the diameter of the core pile body, when the core pile is implanted, the core pile is easy to lean against the hole wall, the core pile is not concentric with the outer pile, so that the core pile is deviated, the verticality cannot meet the design requirement, the composite pile is stressed unevenly, and the bearing capacity in the vertical direction and the horizontal direction is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple precast pile positioning device and a core pile with the same, and solves the problems that in the prior art, the composite pile is not uniformly stressed, and the bearing capacity in the vertical direction and the horizontal direction is reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the simple precast pile positioning device comprises an upper positioning device and a bottom positioning device, wherein the upper positioning device is positioned above the bottom positioning device, and the axes of the upper positioning device and the bottom positioning device are superposed; the upper positioning device comprises two concentric double-layer semicircular rings, the two concentric double-layer semicircular rings are arranged in the same horizontal plane, the horizontal ends of the two concentric double-layer semicircular rings are connected with each other, and a large semicircular ring and a small semicircular ring of the same concentric double-layer semicircular ring are connected through a transverse rib; the bottom positioning device comprises a concentric double-layer circular ring and a bottom circular ring, the concentric double-layer circular ring comprises an inner circular ring and an outer circular ring, and the inner circular ring is connected with the outer circular ring through a plurality of transverse ribs; the bottom circular ring is arranged below the concentric double-layer circular ring, the diameter of the bottom circular ring is equal to that of the inner circular ring, and the bottom circular ring is connected with the inner circular ring through a plurality of connecting ribs.
Furthermore, one side of the bottom circular ring, which is far away from the concentric double-layer circular ring, is provided with a plurality of supporting ribs for stabilizing and supporting, the supporting ribs are provided with two mutually perpendicular supporting ribs, and two ends of the two supporting ribs are connected to the bottom circular ring.
Further, the diameter of the outer circular ring is equal to that of the large circular ring.
Furthermore, the horizontal ends of the two concentric double-layer semicircular rings are bound and connected together through iron wires.
A simple precast pile comprises a core pile body and the simple precast pile positioning device, wherein the core pile body is placed in central holes of the upper positioning device and the bottom positioning device, the upper positioning device is fixed at the upper end of the core pile body, and a reinforcing rib parallel to the axis of the core pile body is arranged on the small semicircular ring; the bottom positioning device is fixed at the lower end of the core pile body, and the bottom surface of the core pile body is abutted against the supporting ribs.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model discloses a simple precast pile positioning device and a core pile with the same, wherein the positioning device comprises an upper positioning device and a bottom positioning device, and the upper positioning device is positioned above the bottom positioning device; the upper positioning device comprises two concentric double-layer semicircular rings, the two concentric double-layer semicircular rings are arranged in the same horizontal plane, the horizontal ends of the two concentric double-layer semicircular rings are connected with each other, and a large semicircular ring and a small semicircular ring of the same concentric double-layer semicircular ring are connected through a transverse rib;
the bottom positioning device comprises a concentric double-layer ring and a bottom ring, the concentric double-layer ring comprises an inner ring and an outer ring, and the inner ring is connected with the outer ring through a plurality of transverse ribs; the bottom ring is arranged below the concentric double-layer ring, the diameter of the bottom ring is equal to that of the inner ring, and the bottom ring is connected with the inner ring through a plurality of connecting ribs.
The core pile body is placed in the central holes of the upper positioning device and the bottom positioning device. The simple precast pile positioning device solves the technical problems that when the core pile is implanted into the cement-soil pile, the central axes of the core pile and the cement-soil pile are not easy to be collinear, the core pile is easy to lean against the hole wall, and the bearing capacity of the composite pile is influenced.
In conclusion, the simple precast pile positioning device has the advantages of simple structure, low cost, convenient installation, good concentricity of the inner pile and the outer pile of the formed composite pile, stable structure and strong bearing capacity.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
Fig. 1 is a schematic structural view of a simple precast pile positioning device and a core pile with the same according to the present invention;
FIG. 2 is a cross-sectional view taken at A-A of the present invention;
FIG. 3 is a cross-sectional view taken at B-B of the present invention;
FIG. 4 is a cross-sectional view at C-C of the present invention.
Description of reference numerals: 1. an upper positioning device; 2. a bottom positioning device; 3. a core pile body; 4. reinforcing ribs; 5. connecting ribs; 6. transverse ribs; 7. a concentric double-layer semicircular ring; 701. a small semicircular ring; 702. a large semicircular ring; 8. concentric double-layer circular rings; 801. an inner circular ring; 802. an outer ring; 9. supporting ribs; 10. a bottom ring.
Detailed Description
As shown in fig. 1 to 4, a simple precast pile comprises a core pile body 3 and a positioning device, wherein the positioning device comprises an upper positioning device 1 and a bottom positioning device 2, the upper positioning device 1 is located above the bottom positioning device 2, and the axes of the upper positioning device and the bottom positioning device are coincident, the upper positioning device 1 is fixed at the upper end of the core pile body 3, and the reinforcing rib 4 parallel to the axis of the core pile body 3 is arranged at the joint of the upper positioning device 1 and the core pile body 3; the bottom positioning device 2 is fixed at the lower end of the core pile body 3.
The core pile body 3 is placed in the central holes of the upper positioning device 1 and the bottom positioning device 2, the upper positioning device 1 is fixed at the upper end of the core pile body 3, and the small semicircular ring 701 is provided with the reinforcing rib 4 parallel to the axis of the core pile body 3; the bottom positioning device 2 is fixed at the lower end of the core pile body 3, and the bottom surface of the core pile body 3 abuts against the support rib 9.
In this embodiment, the core pile body 3 is a hollow round pile, and the length of the reinforcing rib 4 is 50mm to 100 mm.
Specifically, upper portion positioner 1 includes two concentric double-deck semicircle rings 7, two concentric double-deck semicircle ring 7 sets up in same horizontal plane, two the horizontal end interconnect of concentric double-deck semicircle ring 7 is same concentric double-deck semicircle ring 7 big semicircle ring 702 with connect through horizontal muscle 6 between the little semicircle ring 701.
In this embodiment, two the level end of concentric double-deck semicircle ring 7 passes through iron wire ligature connection, the one end welded connection of horizontal muscle 6 is in the middle part of major semicircle ring 702, the other end welded connection of horizontal muscle 6 is in the middle part of little semicircle ring 701.
Specifically, the bottom positioning device 2 includes a concentric double-layer ring 8 and a bottom ring 10, the concentric double-layer ring 8 includes an inner ring 801 and an outer ring 802, the inner ring 801 and the outer ring 802 are connected by a plurality of the transverse ribs 6, and the diameter of the outer ring 802 is equal to the diameter of the large semicircular ring 702; the bottom ring 10 is arranged below the concentric double-layer ring 8, the diameter of the bottom ring 10 is equal to that of the inner ring 801, and the bottom ring 10 is connected with the inner ring 801 through a plurality of connecting ribs 5.
In this embodiment, the inner ring 801 and the outer ring 802 are connected by four transverse ribs 6, and two adjacent transverse ribs 6 are perpendicular to each other; the bottom circular ring 10 is connected with the inner circular ring 801 through four connecting ribs 5, and the connecting ribs 5 are parallel to the axis of the core pile body 3.
One side of the bottom ring 10, which is far away from the concentric double-layer ring 8, is provided with a plurality of supporting ribs 9 which play a role in stabilizing and supporting, and the length of each supporting rib 9 is not less than the diameter of the bottom ring 10.
In this embodiment, the number of the support ribs 9 is two, and the two support ribs 9 are perpendicular to each other and arranged on the bottom ring 10; the reinforcing rib 4, the connecting rib 5, the transverse rib 6, the concentric double-layer semicircular ring 7, the concentric double-layer circular ring 8, the supporting rib 9 and the bottom circular ring 10 are made of reinforcing steel bars respectively.
The simple precast pile positioning device solves the technical problems that when the core pile is implanted into the cement pile, the central axes of the core pile and the cement pile are not easy to be collinear, the core pile body is easy to lean against the hole wall, and the bearing capacity of the composite pile is influenced; the simple precast pile positioning device has the advantages of simple structure, low cost, convenient installation, good concentricity of the inner pile and the outer pile of the formed composite pile, stable structure and strong bearing capacity.
The simple precast pile positioning device is installed and used as follows:
1) making the upper positioning device 1
Firstly, processing two concentric double-layer semicircular rings 7; the diameter of the small semicircular ring 701 is not smaller than the outer diameter of the core pile body 3, so that the small semicircular ring 701 can be conveniently and smoothly sleeved on the core pile body 3; the diameter of the cement soil pile is not smaller than that of the large semicircular ring 702, so that the core pile body 3 with the large semicircular ring 702 can be implanted smoothly; the large semicircular ring 702 and the small semicircular ring 701 of the same concentric double-layer semicircular ring 7 are connected and supported through the transverse rib 6.
2) Making the bottom positioning device 2
Secondly, processing the concentric double-layer circular ring 8, wherein the diameter of the inner circular ring 801 is not less than the outer diameter of the core pile body 3, so that the small circular ring 801 can be conveniently sleeved on the core pile body 3; the diameter of the cement soil pile is not smaller than that of the large ring 802, so that the core pile body 3 with the large ring 802 can be implanted smoothly; the inner ring 801 and the outer ring 802 are connected and supported by four transverse ribs 6, and the four transverse ribs 6 are uniformly distributed on the concentric double-layer ring 8;
and thirdly, processing the bottom circular ring 10, wherein the diameter of the bottom circular ring 10 is not less than the outer diameter of the core pile body 3, and two mutually perpendicular support ribs 9 are arranged at the bottom of the bottom circular ring 10.
3) Core pile body 3 for implantation
Will 2 covers of bottom positioner 2 the bottom of core stake body 3, upper portion steel positioner installs the upper portion position of core stake body 3, apart from pile bolck 50mm to 100mm department promptly, then adopt hammering pile sinking or static pile pressing technology to sink the core stake down, sink the core stake to design pile base elevation, accomplish core stake planting or cement soil composite precast pile.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a simple and easy precast pile positioner which characterized in that: the device comprises an upper positioning device (1) and a bottom positioning device (2), wherein the upper positioning device (1) is positioned above the bottom positioning device (2), and the axes of the upper positioning device and the bottom positioning device are overlapped; the upper positioning device (1) comprises two concentric double-layer semicircular rings (7), the two concentric double-layer semicircular rings (7) are arranged in the same horizontal plane, the horizontal ends of the two concentric double-layer semicircular rings (7) are connected with each other, and a large semicircular ring (702) and a small semicircular ring (701) of the same concentric double-layer semicircular ring (7) are connected through a transverse rib (6); the bottom positioning device (2) comprises a concentric double-layer ring (8) and a bottom ring (10), the concentric double-layer ring (8) comprises an inner ring (801) and an outer ring (802), and the inner ring (801) is connected with the outer ring (802) through a plurality of transverse ribs (6); the bottom ring (10) is arranged below the concentric double-layer ring (8), the diameter of the bottom ring (10) is equal to that of the inner ring (801), and the bottom ring (10) is connected with the inner ring (801) through a plurality of connecting ribs (5).
2. The simple precast pile positioning device according to claim 1, wherein: one side of the bottom ring (10) far away from the concentric double-layer ring (8) is provided with a plurality of supporting ribs (9) which play a role in stabilizing and supporting, the supporting ribs (9) are provided with two mutually perpendicular supporting ribs, and two ends of the two supporting ribs (9) are connected to the bottom ring (10).
3. A simple precast pile positioning device according to claim 2, characterized in that: the diameter of the outer circular ring (802) is equal to the diameter of the large circular ring (702).
4. A simple precast pile positioning device according to claim 2, characterized in that: the horizontal ends of the two concentric double-layer semicircular rings (7) are bound and connected together through iron wires.
5. A simple precast pile is characterized in that: the simple precast pile positioning device comprises a core pile body (3) and the simple precast pile positioning device as set forth in any one of claims 1-4, wherein the core pile body (3) is placed in the central holes of the upper positioning device (1) and the bottom positioning device (2), the upper positioning device (1) is fixed at the upper end of the core pile body (3), and the small semicircular ring (701) is provided with a reinforcing rib (4) parallel to the axis of the core pile body (3); the bottom positioning device (2) is fixed at the lower end of the core pile body (3), and the bottom surface of the core pile body (3) abuts against the support ribs (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220124775.XU CN216920329U (en) | 2022-01-18 | 2022-01-18 | Simple precast pile and positioning device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220124775.XU CN216920329U (en) | 2022-01-18 | 2022-01-18 | Simple precast pile and positioning device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216920329U true CN216920329U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220124775.XU Active CN216920329U (en) | 2022-01-18 | 2022-01-18 | Simple precast pile and positioning device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN216920329U (en) |
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- 2022-01-18 CN CN202220124775.XU patent/CN216920329U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100085 building 6, courtyard a 1, Xisanqi, Haidian District, Beijing Patentee after: Beijing Blue Ocean Construction Co.,Ltd. Country or region after: China Address before: 100085 building 6, courtyard a 1, Xisanqi, Haidian District, Beijing Patentee before: BEIJING RONGCHUANG GEOTECHNICAL ENGINEERING Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |