CN213508431U - Building pile foundation structure - Google Patents
Building pile foundation structure Download PDFInfo
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- CN213508431U CN213508431U CN202022394081.1U CN202022394081U CN213508431U CN 213508431 U CN213508431 U CN 213508431U CN 202022394081 U CN202022394081 U CN 202022394081U CN 213508431 U CN213508431 U CN 213508431U
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Abstract
The utility model belongs to the technical field of the technique of building and specifically relates to a building pile foundation structure is related to, it is including being used for burying underground the prefabricated pile section of thick bamboo in the bored concrete pile, the top of a prefabricated pile section of thick bamboo is uncovered setting, be provided with prefabricated steel reinforcement cage in the bored concrete pile, prefabricated steel reinforcement cage through a locating component slide set up in a prefabricated pile section of thick bamboo, the lateral wall of a prefabricated pile section of thick bamboo runs through and is provided with a plurality of connecting holes, and is a plurality of the connecting hole is followed the vertical direction of a prefabricated pile section of thick bamboo is interval distribution, a prefabricated pile section of thick bamboo with the bored concrete pile. This application has the effect that does benefit to the construction quality who improves the bored concrete pile.
Description
Technical Field
The application relates to the technical field of buildings, in particular to a building pile foundation structure.
Background
The pile foundation is a deep foundation which combines the tops of a plurality of piles into a whole through a bearing platform and bears dynamic and static loads together. The piles can be divided into precast piles and cast-in-place piles according to different construction methods. The two materials are widely applied to the foundation which is weak in soil and is buried thickly, have the characteristics of high bearing capacity, good stability, small sedimentation, less material consumption and the like, and can effectively meet the requirements of buildings on the strength, deformation and stability of the foundation.
At present, the construction of the building pile foundation mostly adopts a cast-in-place pile, the cast-in-place pile adopts a dry operation method or a slurry arm protection method to form a hole, the soil between the surrounding piles is not extruded in the process of forming the hole and the pile, and the water pressure in excess holes in the soil body is not increased, so that the construction of the pile does not endanger the safety of the surrounding adjacent buildings and roads.
In view of the above-mentioned related technologies, the inventor believes that a cast-in-place pile has the characteristics of no vibration, less influence on surrounding buildings and the like compared with a precast pile, but the strength of a cast-in-place pile body and the bearing capacity of a single pile are lower, so that the construction quality is influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a building pile foundation structure is favorable to improving the construction quality of bored concrete pile.
The application provides a building pile foundation structure adopts following technical scheme:
the utility model provides a building pile foundation structure, is including being used for burying underground the prefabricated pile section of thick bamboo in the bored concrete pile, the top of a prefabricated pile section of thick bamboo is uncovered setting, be provided with prefabricated steel reinforcement cage in the bored concrete pile, prefabricated steel reinforcement cage through a locating component slide set up in a prefabricated pile section of thick bamboo, the lateral wall of a prefabricated pile section of thick bamboo runs through and is provided with a plurality of connecting holes, and is a plurality of the connecting hole is followed the vertical direction of a prefabricated pile section of thick bamboo is interval distribution, a prefabricated pile section of thick bamboo with the bored concrete pile communicates mutually.
Through adopting above-mentioned technical scheme, prefabricated steel reinforcement cage slides through a locating component and sets up in prefabricated pile section of thick bamboo, prefabricated pile section of thick bamboo communicates with bored concrete pile mutually, when needs are under construction to the pile foundation, it is downthehole that the staff puts into bored concrete pile with prefabricated pile section of thick bamboo earlier, then place prefabricated steel reinforcement cage in prefabricated pile section of thick bamboo through locating component, then pour into the concrete thick liquid into in the bored concrete pile, the concrete thick liquid flows into prefabricated pile section of thick bamboo through the connecting hole in, prefabricated pile section of thick bamboo is fixed in the bored concrete pile this moment, prefabricated steel reinforcement cage is fixed in prefabricated pile section of thick bamboo, the pile body intensity and the bearing capacity of bored concrete pile this moment can improve, and then be favorable to improving the construction quality of bored concrete.
Optionally, the locating component includes a T-shaped block, the T-shaped block set up in the lateral wall of the precast reinforcement cage, the inboard edge of the precast pile section of thick bamboo the vertical direction of the precast pile section of thick bamboo corresponds and has seted up the T-shaped groove, the T-shaped block slide set up in the T-shaped inslot.
Through adopting above-mentioned technical scheme, the T-shaped piece sets up in the both sides of prefabricated steel reinforcement cage, the T-shaped piece slides and sets up in the T-shaped inslot, when the staff need place prefabricated steel reinforcement cage in the precast pile section of thick bamboo, the staff aims at the T-shaped groove with the T-shaped piece earlier, then the staff removes prefabricated steel reinforcement cage towards the direction that is close to the precast pile section of thick bamboo, prefabricated steel reinforcement cage drives the T-shaped piece and removes towards the direction that is close to the precast pile section of thick bamboo, the T-shaped piece slides and sets up in the T-shaped inslot this moment, and then be favorable to improving the stability that.
Optionally, the prefabricated steel reinforcement cage includes steel ring and reinforcing bar, the steel ring is equipped with a plurality ofly, and is a plurality of the steel ring is followed the vertical direction of a precast pile section of thick bamboo is interval distribution, the T-shaped piece set up in the lateral wall of steel ring, the reinforcing bar is equipped with many, many the reinforcing bar is followed the vertical axis of steel ring is annular array and distributes, many the reinforcing bar pass through a coupling assembly with the steel ring is connected.
Through adopting above-mentioned technical scheme, the T-shaped piece sets up in two outsides of steel ring, and many reinforcing bars are connected with the steel ring through a coupling assembling, and when needs preparation prefabricated steel reinforcement cage, the staff passes through coupling assembling with many reinforcing bars and sets up in the inboard of steel ring, and then is favorable to improving the convenience of preparation prefabricated steel reinforcement cage.
Optionally, coupling assembling is elasticity clamping piece, bolt and nut, elasticity clamping piece through a connecting rod set up in the inboard of steel ring, the reinforcing bar centre gripping in the elasticity clamping piece, the bolt passes elasticity clamping piece extends to outside the elasticity clamping piece lateral wall, the nut with the bolt extends to the outer one end threaded connection of elasticity clamping piece lateral wall.
Through adopting above-mentioned technical scheme, the elasticity clamping piece sets up in the inboard of steel ring through a connecting rod, and the reinforcing bar centre gripping is in the elasticity clamping piece, and the nut extends to the outer one end threaded connection of elasticity clamping piece lateral wall with the bolt, and when needs are fixed in the steel ring inboard with the reinforcing bar, the staff pegs graft respectively in the elasticity clamping piece with many reinforcing bars earlier, then the staff screws up the nut again, and the elasticity clamping piece presss from both sides tight reinforcing bar this moment, and then is favorable to improving the convenience of preparation prefabricated steel reinforcement cage.
Optionally, the open end of a prefabricated pile section of thick bamboo is provided with protects a section of thick bamboo, the top and the bottom of protecting a section of thick bamboo all are uncovered setting, protect a section of thick bamboo with a prefabricated pile section of thick bamboo is linked together, protect a section of thick bamboo bury underground in the bored concrete pile, the top of protecting a section of thick bamboo is followed the vertical direction of protecting a section of thick bamboo is run through and is provided with the slip casting hole.
Through adopting above-mentioned technical scheme, protect a section of thick bamboo and be linked together with a prefabricated section of thick bamboo, the top of protecting a section of thick bamboo runs through along the vertical direction of protecting a section of thick bamboo and is provided with the slip casting hole, and it is downthehole that the drill way soil body that the section of thick bamboo is favorable to reducing the bored concrete pile collapses and fall to the bored concrete pile, when needs carry out concrete grouting to the bored concrete pile, the downthehole injection concrete thick liquid of staff's accessible slip casting hole toward the bored concrete pile, and then is favorable to improving.
Optionally, the bottom of the prefabricated pile cylinder is provided with a pile tip, and a stress plate is annularly arranged on the side wall of the pile tip.
By adopting the technical scheme, the side wall ring of the pile tip is provided with the stress plate, when the prefabricated pile barrel is placed into the cast-in-place pile hole, the pile tip is inserted into the bottom of the cast-in-place pile hole, so that the stability of the prefabricated pile barrel inserted into the cast-in-place pile hole is improved, the stress plate is favorable for improving the stress area of the pile tip, and the stress layer is favorably reduced and damaged by the pile tip.
Optionally, the side wall of the prefabricated pile casing is provided with a plurality of pins, and the plurality of pins are distributed at intervals along the vertical direction of the prefabricated pile casing.
Through adopting above-mentioned technical scheme, a plurality of vertical direction of participating in along a precast pile section of thick bamboo is interval distribution, and when the staff through the slip casting hole toward the downthehole injection concrete thick liquid of bored concrete pile, and when the concrete thick liquid solidifies, participate in this moment and be fixed in the bored concrete pile, and then be favorable to improving the stability that a precast pile section of thick bamboo is fixed in the bored concrete pile.
Optionally, the stress plate is provided with a plurality of blocks, and the stress plate is distributed at intervals along the vertical direction of the pile tip.
Through adopting above-mentioned technical scheme, polylith atress board is interval distribution along the vertical direction of stake point, and then is favorable to further improving the lifting surface area of stake point.
To sum up, the application comprises the following beneficial technical effects:
when needs are under construction to the pile foundation, the staff puts into the bored concrete pile with prefabricated pile section of thick bamboo earlier, then places prefabricated steel reinforcement cage in prefabricated pile section of thick bamboo through locating component, then pours into the concrete thick liquid into toward the bored concrete pile downthehole through the slip casting hole again, the concrete thick liquid flows into prefabricated pile section of thick bamboo in through the connecting hole, prefabricated pile section of thick bamboo is fixed in the bored concrete pile this moment, prefabricated steel reinforcement cage is fixed in prefabricated pile section of thick bamboo, the pile body intensity and the bearing capacity of bored concrete pile this moment can improve, and then be favorable to improving the construction quality of bored concrete pile.
Drawings
Fig. 1 is an overall structural schematic view of the construction pile foundation structure of the present application.
Fig. 2 is a schematic view of the overall structure of the prefabricated pile casing of the present application.
Fig. 3 is a partial structural cross-sectional view of the precast pile casing and casing of the present application.
Fig. 4 is a schematic diagram of the overall structure of the prefabricated reinforcement cage.
Fig. 5 is an enlarged view of a portion a of fig. 4.
Description of reference numerals: 1. filling piles; 2. prefabricating a pile barrel; 21. connecting holes; 22. a T-shaped slot; 3. prefabricating a reinforcement cage; 31. a steel ring; 32. reinforcing steel bars; 33. a connecting rod; 34. an elastic clip; 35. a bolt; 36. a nut; 4. a T-shaped block; 5. protecting the cylinder; 51. grouting holes; 6. pile tip; 7. a stress plate; 8. and (7) a pin.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example (b):
referring to fig. 1 and 2, a building pile foundation structure comprises a prefabricated pile cylinder 2, wherein the prefabricated pile cylinder 2 is cylindrical, and the prefabricated pile cylinder 2 is embedded in a hole of a cast-in-place pile 1. The cast-in-place pile 1 is formed by pouring concrete grout and can be poured and fixed with a drill hole according to the actual shape of the drill hole of the soil body. The top of a prefabricated pile section of thick bamboo 2 is uncovered setting, and the internal slipping of a prefabricated pile section of thick bamboo 2 is provided with prefabricated steel reinforcement cage 3, and prefabricated steel reinforcement cage 3 corresponds to be cylindricly, and is provided with the locating component who is used for fixing a position prefabricated steel reinforcement cage 3 in the prefabricated pile section of thick bamboo 2. In order to facilitate the concrete slurry to flow into the prefabricated pile barrel 2, five groups of connecting holes 21 are arranged on the side wall of the prefabricated pile barrel 2 in a penetrating manner, and the five groups of connecting holes 21 are distributed at intervals along the vertical direction of the prefabricated pile barrel 2. The quantity of every group connecting hole 21 is established to eight, and eight connecting holes 21 are along being annular array along the vertical direction of prefabricated pile section of thick bamboo 2 and distribute, and prefabricated pile section of thick bamboo 2 is linked together through connecting hole 21 and bored concrete pile 1, when the staff pours into the concrete grout into bored concrete pile 1, the concrete grout enters into in the prefabricated pile section of thick bamboo 2 through connecting hole 21.
Specifically, referring to fig. 3 and 4, the prefabricated reinforcement cage 3 includes a steel ring 31 and reinforcement bars 32. The number of the steel rings 31 is set to five, and the actual number of the steel rings 31 is adjusted according to the actual length of the prefabricated pile casing 2 on site. Five steel rings 31 all are the level setting, and five steel rings 31 are interval distribution along the vertical direction of precast pile section of thick bamboo 2, and the vertical axis of five steel rings 31 coincides mutually with the axle center of precast pile section of thick bamboo 2. The quantity of reinforcing bar 32 is established to six, and six reinforcing bars 32 all are vertical setting, and six reinforcing bars 32 are the annular array along the vertical axis of steel ring 31 and distribute, and six reinforcing bars 32 all set up in the inside wall of steel ring 31 through a connecting assembly is fixed.
Referring to fig. 4 and 5, the connecting assembly is a resilient clip 34, a bolt 35, and a nut 36. The elastic clip 34 is U-shaped, and the elastic clip 34 is horizontally disposed. The inside wall of steel ring 31 corresponds the fixed six connecting rods 33 that are provided with, and six connecting rods 33 are the annular array along the vertical axis of steel ring 31 and distribute. The connecting rod 33 is horizontally arranged, the inner wall of the steel ring 31 at one end of the connecting rod 33 is fixedly connected, and the other end of the connecting rod 33 is a free end. The elastic clip 34 is fixedly connected with the free end of the connecting rod 33. The reinforcing steel bars 32 are respectively clamped in the elastic clamping pieces 34, six bolts 35 are correspondingly arranged, the bolts 35 penetrate through the U-shaped openings of the elastic clamping pieces 34 and extend out of the side walls of the elastic clamping pieces 34, and the nuts 36 are in threaded connection with one ends of the bolts 35 extending out of the side walls of the elastic clamping pieces 34. When a worker needs to fix the steel bar 32 inside the steel ring 31, the worker clamps the steel bar 32 in the elastic clamping pieces 34, and then tightens the nut 36, at which time the steel bar 32 is fixed in the elastic clamping pieces 34.
Specifically, referring to fig. 3, in order to improve the stability of the prefabricated reinforcement cage 3 inserted into the prefabricated pile barrel 2, the positioning assembly includes T-shaped blocks 4, the number of the T-shaped blocks 4 is five, and the five T-shaped blocks 4 are respectively and fixedly disposed outside the side wall of the steel ring 31. The number of each group of T-shaped blocks 4 is four, and the four T-shaped blocks 4 are distributed in an annular array along the vertical central axis of the steel ring 31. Four T-shaped grooves 22 are correspondingly formed in the inner side wall of the open end of the precast pile barrel 2 along the vertical direction of the precast pile barrel 2, and the T-shaped blocks 4 are arranged in the T-shaped grooves 22 in a sliding mode. When the precast pile barrel 2 is put into the precast reinforcement cage 3, the worker aligns the T-shaped block 4 with the T-shaped groove 22, then moves the precast reinforcement cage 3 towards the direction close to the precast pile barrel 2, the T-shaped block 4 slides and is arranged in the T-shaped groove 22, and the precast reinforcement cage 3 is inserted into the precast pile barrel 2.
Specifically, referring to fig. 2, in order to reduce the earthwork collapse of the aperture of the cast-in-place pile 1 and fall into the cast-in-place pile 1, a pile casing 5 is fixedly arranged at the open end of the prefabricated pile casing 2, the pile casing 5 is cylindrical, and the diameter of the pile casing 5 is greater than that of the prefabricated pile casing 2. The top and the bottom of the pile casing 5 are both open, and the pile casing 5 is communicated with the prefabricated pile casing 2. The top of the pile casing 5 is provided with four grouting holes 51 along the vertical direction of the pile casing 5, and the four grouting holes 51 are distributed in an annular array along the vertical central axis direction of the pile casing 5. When the staff need pour into the concrete thick liquid into bored concrete pile 1 into, the staff pours into the concrete thick liquid into grouting hole 51 into, and the concrete thick liquid flows into bored concrete pile 1 downtheholely through grouting hole 51, then flows into in prefabricated pile section of thick bamboo 2 through connecting hole 21 again.
Specifically, referring to fig. 2, in order to facilitate the insertion of the prefabricated pile barrel 2 into the cast-in-place pile 1, a pile tip 6 is fixedly arranged at the bottom of the prefabricated pile barrel 2, and the pile tip 6 is in an inverted cone shape. Simultaneously for reducing 6 destruction layers of holding power of stake point, the fixed cover of lateral wall of stake point 6 is equipped with two atress boards 7, and atress board 7 is used for increasing the lifting surface area of stake point 6, and atress board 7 is the level setting, and atress board 7 is interval distribution along the vertical direction of stake point 6. When the precast pile barrel 2 is inserted into the cast-in-place pile 1, the bottom of the stress plate 7 abuts against the bottom of the cast-in-place pile 1.
Specifically, referring to fig. 2, in order to further improve the stability of the prefabricated pile cylinder 2 fixed to the cast-in-place pile 1, four groups of pins 8 are fixedly arranged on the side wall of the prefabricated pile cylinder 2, and the four groups of pins 8 are distributed at intervals along the vertical direction of the prefabricated pile cylinder 2. Each group of pins 8 is four, and the four pins 8 are distributed in an annular array along the vertical direction of the prefabricated pile cylinder 2. When concrete grout is injected into the cast-in-place pile 1 and the concrete grout is solidified, the precast pile barrel 2 is fixedly connected with the cast-in-place pile 1 under the action of the pins 8.
The working principle of the building pile foundation structure is as follows:
when the pile foundation needs to be constructed, a worker firstly puts the precast pile barrel 2 into the cast-in-place pile 1, then aligns the T-shaped block 4 to the T-shaped groove 22, then moves the precast reinforcement cage 3 towards the direction close to the precast pile barrel 2, at the moment, the T-shaped block 4 is inserted into the T-shaped groove 22, and the precast reinforcement cage 3 is inserted into the precast pile barrel 2 through the T-shaped block 4.
Then, the worker injects concrete slurry into the grouting hole 51, and the concrete slurry flows into the cast-in-place pile 1 through the grouting hole 51 and then flows into the precast pile barrel 2 through the connecting hole 21. At this moment, the prefabricated pile barrel 2 is fixedly connected with the cast-in-place pile 1 through the pin 8, and the prefabricated reinforcement cage 3 is fixed in the prefabricated pile barrel 2.
In conclusion, the precast pile barrel 2 is embedded in the cast-in-place pile 1, so that the pile body strength and the bearing capacity of the cast-in-place pile 1 are improved, and the construction quality of the cast-in-place pile 1 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A building pile foundation structure is characterized in that: including being used for burying underground in a precast pile section of thick bamboo (2) of bored concrete pile (1), the top of a precast pile section of thick bamboo (2) is uncovered setting, be provided with prefabricated steel reinforcement cage (3) in bored concrete pile (1), prefabricated steel reinforcement cage (3) slide through a locating component set up in a precast pile section of thick bamboo (2), the lateral wall of a precast pile section of thick bamboo (2) runs through and is provided with a plurality of connecting holes (21), and is a plurality of connecting hole (21) are followed the vertical direction of a precast pile section of thick bamboo (2) is interval distribution, a precast pile section of thick bamboo (2) with bored concrete pile (1) is linked together.
2. A building pile foundation structure according to claim 1, wherein: the positioning assembly comprises a T-shaped block (4), the T-shaped block (4) is arranged on the side wall of the prefabricated reinforcement cage (3), a T-shaped groove (22) is correspondingly formed in the inner side of the prefabricated pile cylinder (2) along the vertical direction of the prefabricated pile cylinder (2), and the T-shaped block (4) is arranged in the T-shaped groove (22) in a sliding mode.
3. A building pile foundation structure according to claim 2, wherein: prefabricated steel reinforcement cage (3) include steel ring (31) and reinforcing bar (32), steel ring (31) are equipped with a plurality ofly, and are a plurality of steel ring (31) are followed the vertical direction of a precast pile section of thick bamboo (2) is interval distribution, T-shaped piece (4) set up in the lateral wall of steel ring (31), reinforcing bar (32) are equipped with many, and are many reinforcing bar (32) are followed the vertical axis of steel ring (31) is ring array and distributes, many reinforcing bar (32) through a connecting assembly with steel ring (31) are connected.
4. A building pile foundation structure according to claim 3, wherein: coupling assembling is elasticity clamping piece (34), bolt (35) and nut (36), elasticity clamping piece (34) through a connecting rod (33) set up in the inboard of steel ring (31), reinforcing bar (32) centre gripping in elasticity clamping piece (34), bolt (35) are passed elasticity clamping piece (34) extend to outside elasticity clamping piece (34) lateral wall, nut (36) with bolt (35) extend to the outer one end threaded connection of elasticity clamping piece (34) lateral wall.
5. A building pile foundation structure according to claim 3, wherein: the open end of a prefabricated pile section of thick bamboo (2) is provided with protects a section of thick bamboo (5), the top and the bottom of protecting a section of thick bamboo (5) all are uncovered setting, protect a section of thick bamboo (5) with prefabricated pile section of thick bamboo (2) are linked together, protect a section of thick bamboo (5) bury underground in bored concrete pile (1), the top of protecting a section of thick bamboo (5) is followed the vertical direction of protecting a section of thick bamboo (5) is run through and is provided with slip casting hole (51).
6. A building pile foundation structure according to claim 5, wherein: the bottom of the prefabricated pile barrel (2) is provided with a pile tip (6), and the side wall of the pile tip (6) is annularly provided with a stress plate (7).
7. A building pile foundation structure according to claim 6, wherein: the side wall of the prefabricated pile cylinder (2) is provided with a plurality of pins (8), and the plurality of pins (8) are distributed at intervals along the vertical direction of the prefabricated pile cylinder (2).
8. A building pile foundation structure according to claim 6, wherein: stress plate (7) are equipped with the polylith, polylith stress plate (7) are followed the vertical direction of stake point (6) is interval distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394081.1U CN213508431U (en) | 2020-10-23 | 2020-10-23 | Building pile foundation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022394081.1U CN213508431U (en) | 2020-10-23 | 2020-10-23 | Building pile foundation structure |
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| CN213508431U true CN213508431U (en) | 2021-06-22 |
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| CN202022394081.1U Active CN213508431U (en) | 2020-10-23 | 2020-10-23 | Building pile foundation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774904A (en) * | 2021-09-24 | 2021-12-10 | 中交一航局第四工程有限公司 | Construction process of rooting enhanced cast-in-place pile |
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2020
- 2020-10-23 CN CN202022394081.1U patent/CN213508431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774904A (en) * | 2021-09-24 | 2021-12-10 | 中交一航局第四工程有限公司 | Construction process of rooting enhanced cast-in-place pile |
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