CN210288341U - Precast pile for soft foundation treatment - Google Patents
Precast pile for soft foundation treatment Download PDFInfo
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- CN210288341U CN210288341U CN201920716608.2U CN201920716608U CN210288341U CN 210288341 U CN210288341 U CN 210288341U CN 201920716608 U CN201920716608 U CN 201920716608U CN 210288341 U CN210288341 U CN 210288341U
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- precast pile
- pile body
- soft foundation
- precast
- foundation treatment
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Abstract
The utility model discloses a precast pile for soft base is handled, the foundation construction technology field has been related to, the precast pile body that the mode of having solved successive layer ramming and filling formed, the work efficiency of construction is low, the problem of the soft base of unable enough supporting of bearing capacity, including setting up in the solid foundation pile of soft base portion, it has the vibration immersed tube to settle on the solid foundation pile, it has a plurality of precast pile bodies to peg graft in proper order in the vibration immersed tube, the inner wall of precast pile body is fixed with two bosses, the equal fixedly connected with reinforced pipe in one side that two bosses are relative, the inside grout pipe who settles jointly of a plurality of bosses has the axis parallel arrangement with precast pile body, precast pile body and the inside cement mortar that has poured into of grout pipe. The utility model discloses a precast pile adaptability is strong, and stable in structure is of high quality, and intensity is high, has better holding power and shear resistance, and the atress is comparatively stable, and the construction mode is simple, and the work efficiency is short, has reduced construction cost.
Description
Technical Field
The utility model belongs to the technical field of the foundation construction technique and specifically relates to a precast pile for soft base is handled is related to.
Background
The soft foundation is a foundation formed by high-compressibility soil layers such as silt, mucky soil, filling soil and the like, the problem of serious deformation easily occurs under the action of load due to low bearing capacity of the soft foundation, the soft foundation is generally required to be treated in order to prevent accidents such as unstable buildings and the like caused by sinking and tensile cracking of the soft foundation after construction, and a prefabricated pile body is usually driven into the soft foundation in the construction process so as to improve the consolidation degree and stability of the soft foundation.
The Chinese patent with the publication number of CN203346894U proposes a filling and tamping body with guide piles without post-construction settlement, wherein a tubular pile, or a prefabricated pile body, or a wooden pile with a guide function is filled and tamped layer by layer on soft soil or a mud flat, the diameter of the guide pile is 10cm-100cm, the length of the guide pile is 2-15m, and the distance between the guide piles is 1-10 m.
The above prior art solutions have the following drawbacks: the precast pile body is formed in a layer-by-layer tamping filling mode, the construction efficiency is low, the length and the quality of the precast pile body are difficult to control, the precast pile body cannot meet the bearing effect required to be exerted in a soft foundation with low strength, and even the collapse problem of the soft foundation is serious, so that the situation difficult to save is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at a precast pile for soft base is handled that the construction is simple, stable in structure, quality are reliable, strong adaptability.
The utility model discloses a can realize through following technical scheme:
the utility model provides a precast pile for soft base is handled, is including setting up in the solid foundation pile of soft foundation bottom portion, it has the vibration immersed tube to settle on the solid foundation pile, it has a plurality of precast pile bodies to peg graft in proper order in the vibration immersed tube, the inner wall of precast pile body is fixed with two bosses, two the equal fixedly connected with reinforced tube in one side that the boss is relative, and is a plurality of the inside settle jointly of reinforced tube have with the slip casting pipe of the axis parallel arrangement of precast pile body, precast pile body with the inside cement mortar that all pours into of slip casting pipe.
By adopting the technical scheme, in the construction process, after the hole is formed in the soft foundation, the hole bottom is grouted to form the solid bottom pile, the solid bottom pile plays a role in supporting the foundation, then the vibration immersed tube is placed in the hole and plays a role in isolating the soft foundation soil body, a plurality of prefabricated pile bodies are sequentially arranged in the vibration immersed tube, the grouting tube is arranged in the reinforcing tube, the vibration immersed tube is taken out through the vibration immersed tube pile driver, and then cement mortar is respectively poured in the prefabricated pile bodies and the grouting tube to form the prefabricated pile with a stable structure.
Further setting the following steps: an inserting ring is coaxially fixed at one end of the precast pile body, and an inserting groove matched with the inserting ring in an inserting manner is formed in one end, far away from the inserting ring, of the precast pile body.
By adopting the technical scheme, the splicing adaptation of the splicing ring and the splicing groove is convenient for positioning the mounting position of the adjacent precast pile body, so that the adjacent precast pile body is more convenient to mount, and the construction efficiency is improved.
Further setting the following steps: the side wall of the reinforcing block far away from the plug-in ring is flush with the bottom wall of one side of the plug-in groove close to the plug-in ring.
By adopting the technical scheme, after the inserting ring is inserted into the inserting groove, the side wall of the reinforcing block enlarges the supporting area of the inserting ring on the adjacent precast pile body, so that the connection of the adjacent precast pile bodies is more stable.
Further setting the following steps: the periphery of the prefabricated pile body is wound with a reinforcing steel bar net, and a plurality of connecting steel bars fixedly connected with the reinforcing steel bar net are fixed at two ends of the prefabricated pile body.
By adopting the technical scheme, the reinforcing mesh strengthens the compression resistance and the pulling resistance of the precast pile body, so that the performance of the precast pile body is more stable.
Further setting the following steps: the reinforcing steel bar mesh is formed by alternately weaving transverse steel bars and vertical steel bars.
By adopting the technical scheme, the device is convenient for workers to manufacture and install on site, reduces the transportation cost and improves the construction efficiency.
Further setting the following steps: the grouting pipe is made of a seamless steel pipe.
By adopting the technical scheme, the seamless steel pipe has stronger strength and shearing resistance, and the integral bearing capacity of the precast pile body is further enhanced.
Further setting the following steps: and the outer wall of the precast pile body is coated with an anticorrosive coating.
By adopting the technical scheme, the anti-corrosion layer strengthens the anti-corrosion performance of the precast pile body, so that the service life of the precast pile body is longer.
Further setting the following steps: and two lifting rings are symmetrically arranged at one end of the precast pile body.
By adopting the technical scheme, the hoisting ring is convenient for hoisting the precast pile body in the soft foundation.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the precast pile is formed by the solid bottom pile, the plurality of precast pile bodies, the grouting pipe, the cement mortar and the reinforcing mesh, has good quality and high shear strength and compressive strength, and can ensure the supporting effect on a soft foundation;
(2) the construction mode of this precast pile is simple convenient, and the construction work efficiency is fast, and construction cost is low.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a partially enlarged view of portion B of fig. 2.
Reference numerals: 1. solid bottom piles; 2. prefabricating a pile body; 3. a reinforcing block; 4. a reinforcement tube; 5. a grouting pipe; 6. cement mortar; 7. a plug-in ring; 8. inserting grooves; 9. reinforcing the reinforcing mesh; 10. connecting reinforcing steel bars; 11. a lifting ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a precast pile for soft foundation is handled, including setting up in the solid foundation pile 1 of soft foundation bottom portion, solid foundation pile 1 is the cylinder form, and it has the vibration immersed tube to settle on the solid foundation pile 1. After the drilling of the soft foundation is completed, the vibration sinking pipe is mainly used for guiding the precast pile body 2 (refer to the following) to be smoothly loaded into the hole of the soft foundation, which is not shown in the drawing. Referring to fig. 2, a plurality of precast pile bodies 2 are sequentially inserted into the vibration immersed tube, preferably three precast pile bodies 2 are provided, and the precast pile bodies 2 are in a circular tube shape with two ends penetrating through. Referring to fig. 3, an inserting ring 7 is coaxially fixed at one end of the precast pile body 2, the inner diameter of the inserting ring 7 is smaller than that of the precast pile body 2, an inserting groove 8 which is inserted and matched with the inserting ring 7 is formed in one end, far away from the inserting ring 7, of the precast pile body 2, and the inserting groove 8 is communicated with the inside of the precast pile body 2. Through the grafting adaptation of grafting ring 7 and inserting groove 8, be convenient for fix a position the mounted position of adjacent precast pile body 2 for the installation of adjacent precast pile body 2 is more convenient, improves the efficiency of construction.
Referring to fig. 1 and 3, two reinforcing blocks 3 are fixed on the inner wall of the precast pile body 2, the two reinforcing blocks 3 are symmetrically arranged along the axis of the precast pile body 2, the reinforcing blocks 3 extend along the axis of the precast pile body 2, and the section of the reinforcing blocks 3 along the radial direction of the precast pile body 2 is sector-shaped. The reinforcing block 3 improves the stress inside the precast pile body 2, so that the overall strength of the precast pile body 2 is better, and the shearing resistance and the pulling resistance are stronger.
The lateral wall that the inserted ring 7 was kept away from to boss 3 keeps the same level with the diapire that inserted groove 8 is close to inserted ring 7 one side, and back in inserted groove 8 was pegged graft to inserted ring 7, boss 3's lateral wall has enlarged the area of support to inserted ring 7 on the adjacent precast pile body 2, makes the connection of adjacent precast pile body 2 more stable.
The equal fixedly connected with reinforced pipe 4 in the relative one side of two boss 3, reinforced pipe 4 extends the setting along the axial direction of precast pile body 2, and reinforced pipe 4's shape can be according to actual conditions the design of being under construction, and reinforced pipe 4 in this embodiment is "O" font setting along the cross-section of precast pile body 2's radial direction, and the mutual parallel arrangement of axis and precast pile body 2's axis. The plurality of reinforcing pipes 4 are internally and jointly provided with grouting pipes 5 which are arranged in parallel with the axis of the precast pile body 2, and the grouting pipes 5 are made of seamless steel pipes. The seamless steel pipe has stronger strength and shearing resistance, and further strengthens the integral bearing capacity of the precast pile body 2.
The outer wall of the precast pile body 2 is coated with an anticorrosive coating which is mainly made of epoxy coal tar pitch. The corrosion resistance of the precast pile body 2 is enhanced by the corrosion-resistant layer, so that the service life of the precast pile body 2 is longer. Two rings 11 are seted up to the one end of precast pile body 2, and two rings 11 set up along precast pile body 2's axis symmetry. The hoisting ring 11 is convenient for hoisting the precast pile body 2 in the soft foundation.
Referring to fig. 1, the prefabricated pile body 2 is wound with reinforcing mesh bars 9 around its circumference, and a plurality of connecting reinforcing rods 10 fixedly connected to the reinforcing mesh bars 9 are fixed to both ends of the prefabricated pile body 2. The reinforcing mesh reinforcement 9 strengthens the compression resistance and the pulling resistance of the precast pile body 2, so that the performance of the precast pile body 2 is more stable. The reinforcing mesh reinforcement 9 is formed by alternately weaving transverse reinforcing bars and vertical reinforcing bars, and the adjacent transverse reinforcing bars and vertical reinforcing bars are arranged perpendicular to each other. The on-site manufacture and installation of workers are facilitated, the transportation cost is reduced, and the construction efficiency is improved.
The implementation principle and the beneficial effects of the embodiment are as follows:
the method comprises the steps of filling a solid bottom pile 1 and a vibration sinking pipe into a hole formed in a soft foundation, supporting a reinforcing steel bar net 9 on a construction site, winding and fixing the reinforcing steel bar net on the periphery of a prefabricated pile body 2, sequentially hoisting the prefabricated pile body 2 in the vibration sinking pipe, filling a grouting pipe 5 into a reinforcing pipe 4 after three prefabricated pile bodies 2 are installed, and then filling cement mortar 6 into the prefabricated pile body 2 and the grouting pipe 5 to form a final prefabricated pile.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A precast pile for soft foundation treatment, characterized in that: including setting up in solid foundation pile (1) of soft foundation bottom portion, it has the vibration immersed tube to settle on solid foundation pile (1), it has a plurality of prefabricated pile bodies (2) to peg graft in proper order in the vibration immersed tube, the inner wall of prefabricated pile body (2) is fixed with two boss (3), two equal fixedly connected with boss (4) in one side that boss (3) are relative, it is a plurality of the inside settle jointly of boss (4) have with slip casting pipe (5) of the axis parallel arrangement of prefabricated pile body (2), prefabricated pile body (2) with slip casting pipe (5) inside all has cement mortar (6) to pour into a mould.
2. The precast pile for soft foundation treatment according to claim 1, wherein an insertion ring (7) is coaxially fixed at one end of the precast pile body (2), and an insertion groove (8) adapted to the insertion ring (7) is formed at one end of the precast pile body (2) far away from the insertion ring (7).
3. Precast pile for soft foundation treatment according to claim 2 characterized in that the side wall of the reinforcement block (3) away from the insert ring (7) is flush with the bottom wall of the insert groove (8) on the side close to the insert ring (7).
4. A precast pile for soft foundation treatment according to claim 1, wherein the precast pile body (2) is wound with a reinforcing mesh (9) around the circumference, and both ends of the precast pile body (2) are fixed with a plurality of connecting bars (10) fixedly connected with the reinforcing mesh (9).
5. A precast pile for soft foundation treatment according to claim 4, wherein the reinforcing mesh (9) is formed by cross-weaving of horizontal and vertical reinforcing bars.
6. A precast pile for soft foundation treatment according to claim 1, characterized in that the grouting pipe (5) is made of seamless steel pipe.
7. A precast pile for soft foundation treatment according to claim 1, characterized in that the outer wall of the precast pile body (2) is coated with an anticorrosive layer.
8. Precast pile for soft foundation treatment according to claim 7 characterized in that one end of the precast pile body (2) is symmetrically provided with two suspension rings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716608.2U CN210288341U (en) | 2019-05-17 | 2019-05-17 | Precast pile for soft foundation treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716608.2U CN210288341U (en) | 2019-05-17 | 2019-05-17 | Precast pile for soft foundation treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210288341U true CN210288341U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716608.2U Expired - Fee Related CN210288341U (en) | 2019-05-17 | 2019-05-17 | Precast pile for soft foundation treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210288341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945868A (en) * | 2020-08-17 | 2020-11-17 | 山东南洋环境科技有限公司 | Construction method of integrated assembly type deep tunnel storage-regulation pump station |
| CN112127350A (en) * | 2020-08-19 | 2020-12-25 | 中国港湾工程有限责任公司 | Construction process of marine gravel pile |
| CN114474353A (en) * | 2021-12-30 | 2022-05-13 | 武汉科地美科技有限公司 | Horizontal rotatory integration precast pile device |
-
2019
- 2019-05-17 CN CN201920716608.2U patent/CN210288341U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945868A (en) * | 2020-08-17 | 2020-11-17 | 山东南洋环境科技有限公司 | Construction method of integrated assembly type deep tunnel storage-regulation pump station |
| CN112127350A (en) * | 2020-08-19 | 2020-12-25 | 中国港湾工程有限责任公司 | Construction process of marine gravel pile |
| CN114474353A (en) * | 2021-12-30 | 2022-05-13 | 武汉科地美科技有限公司 | Horizontal rotatory integration precast pile device |
| CN114474353B (en) * | 2021-12-30 | 2023-07-21 | 武汉科地美科技有限公司 | Horizontal rotary integrated precast pile device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |