CN214401745U - Environment-friendly precast pile for soft foundation treatment - Google Patents
Environment-friendly precast pile for soft foundation treatment Download PDFInfo
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- CN214401745U CN214401745U CN202120356839.4U CN202120356839U CN214401745U CN 214401745 U CN214401745 U CN 214401745U CN 202120356839 U CN202120356839 U CN 202120356839U CN 214401745 U CN214401745 U CN 214401745U
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Abstract
The utility model relates to an environmental protection precast pile for soft base is handled relates to soft base construction structure's field, including setting gradually in inside first precast pile and the second precast pile of soft base, first precast pile with be provided with the connection structure who is used for connecting first precast pile and second precast pile between the second precast pile, first precast pile includes integrated into one piece's first stake point, first pile body and first pile head, the second precast pile includes integrated into one piece's second stake point, second pile body and second pile head, connection structure connects first pile head with the second pile point. This application supports the soft base through first precast pile and increases soft base bearing capacity in the time, can increase the length of first precast pile through the second precast pile in a flexible way, is convenient for support and crowded dense the great soft base of degree of depth.
Description
Technical Field
The application relates to the field of soft foundation construction structures, in particular to an environment-friendly precast pile for soft foundation treatment.
Background
At present, a precast concrete pile is called as a precast pile for short, is suitable for soft foundation treatment such as silt, mucky soil, cohesive soil, silt sand soil, artificial filling and the like, has high bearing capacity per unit area, and is driven into a soil body to compact surrounding soil layers so as to improve the bearing capacity of the soft foundation.
The existing Chinese patent with the patent application number of CN201721709885.8 provides a precast pile, is formed by concrete pouring, and there is a skeleton texture inside, including pile body, pile head and pile end, the pile body outer wall is the circumference shape, and the pile end is in the one end of pile head, and the pile body is in the other end of pile head, the pile head is whole for the toper, and little terminal surface is square, and big terminal surface is circular, and big terminal surface is the same with the terminal surface of pile body.
With respect to the related art among the above, the inventors consider that there is a defect: the length of the precast pile is fixed, and when the depth of the soft foundation is deeper, the precast pile is driven into the soft foundation, and the part exceeding the length of the precast pile in the soft foundation cannot be extruded, so that the bearing capacity of the soft foundation is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the fixed relatively poor problem that leads to soft base bearing capacity of length of precast pile, this application provides an environmental protection precast pile for soft base is handled.
The application provides an environmental protection precast pile for soft base is handled adopts following technical scheme:
the utility model provides an environmental protection precast pile for soft base is handled, is including setting gradually in inside first precast pile and the second precast pile of soft base, first precast pile with be provided with between the second precast pile and be used for connecting first precast pile with the connection structure of second precast pile, first precast pile includes integrated into one piece's first stake point, first pile body and first pile head, the second precast pile includes integrated into one piece's second pile point, second pile body and second pile head, connection structure connects first pile head with the second pile point.
Through adopting above-mentioned technical scheme, first pile toe, first pile body and first pile head combination are first precast pile, second pile toe, second pile body and second pile head combination are the second precast pile, when handling soft base, squeeze into soft base inside first precast pile earlier, when the soil horizon degree of depth that soft base bore weight power is high is greater than the length of first precast pile, first precast pile is formed with the stake hole in soft base department, squeeze into soft base inside with second precast pile through the stake hole, connection structure makes first precast pile and second precast pile interconnect form same precast pile body, increase the length at the inside precast pile of soft base, be convenient for fix the part that soft base exceeds first precast pile length, make to be convenient for fix the precast pile.
Optionally, the connection structure includes a connection ring and a plurality of connection pins, the connection ring is sleeved between the first pile head and the second pile tip, and the connection pins are inserted in the periphery of the connection ring and respectively extend to the insides of the first pile head and the second pile tip.
Through adopting above-mentioned technical scheme, establish the one end of go-between in first pile head department cover, the second pile point is worn to establish by the other end of go-between, first pile head and second pile point are the mutual butt in the go-between, a plurality of connecting pins run through the go-between respectively and penetrate first pile head and second pile point department respectively, make first pile head and second pile point form wholly, and then make first precast pile and second precast pile form wholly, go-between and connecting pin reduce first precast pile and second precast pile along the ascending displacement of first precast pile axis side.
Optionally, the circumferential wall of the connection ring is provided with a plurality of insertion holes at equal intervals corresponding to the connection pins, the insertion holes are screw holes, and the connection pins are screw rods matched with the insertion holes.
Through adopting above-mentioned technical scheme, a plurality of connecting pin spiral shell screw in respectively in the jack and screw in first pile head and second stake point, jack and connecting pin all set up screw thread and make connecting pin better at the jack internal fixation effect to make the connecting ring better to the connection effect of first pile head and second stake point.
Optionally, the first pile head and the second pile tip are both provided with a connecting groove corresponding to the connecting ring.
By adopting the technical scheme, when the connecting ring is connected with the first pile head and the second pile tip, the connecting ring is conveniently sleeved on the first pile head and the second pile tip through the connecting groove, so that the resistance of the first precast pile and the second precast pile at the position of driving the soft foundation is reduced.
Optionally, the connecting structure further includes a limiting hole and a limiting block, the limiting hole is matched with the limiting hole, the limiting hole is formed in the center of the first pile head, and the limiting block corresponds to the limiting hole and is fixed in the center of the second pile tip.
Through adopting above-mentioned technical scheme, stopper insert locate spacing groove department, make first pile head and second stake point interconnect, stopper and spacing groove reduce between first precast pile and the second precast pile along the ascending displacement in first precast pile is radial, make the connection of first precast pile and second precast pile more stable.
Optionally, the first pile tip is a conical steel pile tip.
Through adopting above-mentioned technical scheme, when driving into soft basic inside messenger with first precast pile, the conical pile toe reduces the resistance that first precast pile was driven into the in-process, and the pile toe hardness that the material is the steel is higher simultaneously, reduces the damage of first precast pile driving in-process and soft basic inside production.
Optionally, the first precast pile is a solid pile, a plurality of supporting steel columns are equidistantly fixed inside the first pile body of the first precast pile along the axis direction of the first precast pile, and a plurality of reinforcing ribs are fixed between the adjacent supporting steel columns.
Through adopting above-mentioned technical scheme, a plurality of support steel columns support first precast pile, and the strengthening rib supports and fixes a position a plurality of support steel columns, makes first precast pile whole more stable.
Optionally, the second precast pile is set to be a tubular pile, and a reinforcement cage is fixed inside the second precast pile.
Through adopting above-mentioned technical scheme, when the second precast pile is the tubular pile, the steel reinforcement cage is fixed and is supported the second precast pile, is convenient for observe the connection condition between second precast pile and the first precast pile through the second precast pile, makes the connected effect between first precast pile and the second precast pile better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the foundation is a soft foundation, driving the first precast pile into the soft foundation to enable the first precast pile to support the soft foundation and increase the bearing capacity of the soft foundation;
2. when the depth of the soil layer with high bearing capacity of the soft foundation is greater than the length of the first precast pile, the first precast pile is connected with the second precast pile, the length of the first precast pile is increased by the second precast pile, the cost for additionally manufacturing a precast pile with a new length is reduced, and construction energy is saved;
3. the first precast pile and the second precast pile are connected through the connecting ring, the connecting bolt, the limiting hole and the limiting block, so that the first precast pile and the second precast pile are more closely connected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.
Reference numerals: 1. a first precast pile; 11. a first pile tip; 12. a first pile body; 121. supporting a steel column; 122. reinforcing ribs; 13. a first pile head; 2. a second precast pile; 21. a second pile tip; 22. a second pile body; 23. a second pile head; 24. a reinforcement cage; 3. a connecting ring; 31. connecting a bolt; 32. a jack; 33. connecting grooves; 4. a limiting hole; 5. and a limiting block.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an environment-friendly precast pile for soft foundation treatment. Referring to fig. 1, an environmental protection precast pile for soft foundation treatment includes a first precast pile 1 and a second precast pile 2 sequentially disposed inside a soft foundation (not shown in the figure), a pile hole (not shown in the figure) is formed at the soft foundation of the first precast pile 1 and the second precast pile 2, the diameter of the first precast pile 1 is the same as the vertical descending size of the second precast pile 2, the first precast pile 1 is driven into the soft foundation through a diesel hammer pile driver, when the length of the first precast pile 1 is smaller than the depth of a soil layer with high bearing capacity of the soft foundation, the first precast pile 1 is connected with the second precast pile 2, and then the first precast pile 1 and the second precast pile 2 are driven into the soft foundation together.
Referring to fig. 2, first precast pile 1 includes integrated into one piece's first pile point 11, first pile body 12 and first pile head 13, and first pile point 11 is coniform steel pile point, and first precast pile 1 sets up to the solid pile, and first pile body 12 of first precast pile 1 is inside to be fixed with a plurality of support steel columns 121 along 1 axis direction equidistance of first precast pile, and fixed mode is: the circumference welded connection in first pile tip 11 of the disc of first pile foundation is followed to a plurality of one end that support the steel column 121, be fixed with a plurality of strengthening ribs 122 between the adjacent support steel column 121, first pile head 13 is cylindrical steel block, first pile tip 11 and a plurality of other end welded connection who supports steel column 121, in the perisporium department of first precast pile 1 perfusion prestressing force high-strength concrete, make prestressing force high-strength concrete fill support steel column 121 and strengthening rib 122, thereby fill first pile body 12 to first precast pile 1.
Referring to fig. 2, the second precast pile 2 includes an integrally formed second pile tip 21, a second pile body 22 and a second pile head 23, the second precast pile 2 is set as a tubular pile, that is, the second pile head 23 and the second pile tip 21 are both hollow, the second pile head 23 and the second pile tip 21 are both annular steel blocks, the outer diameter and the inner diameter of the second pile head 23 and the second pile tip 21 are the same, a reinforcement cage 24 is fixed on the peripheral wall of the second precast pile 2, that is, the reinforcement cage 24 is fixed inside the second pile body 22 of the second precast pile 2, two ends of the reinforcement cage 24 are respectively welded to the second pile tip 21 and the second pile head 23, prestressed high-strength concrete is filled in the positions of the second pile head 23 and the second pile tip 21, and the outer diameter of the second precast pile 2 after being filled is the same as the diameter of the first precast pile 1 after being filled.
Referring to fig. 2 and 3, a connection structure for connecting the first precast pile 1 and the second precast pile 2 is disposed between the first precast pile 1 and the second precast pile 2, and the connection structure connects the first pile head 13 and the second pile tip 21. The connecting structure comprises a connecting ring 3 and a plurality of connecting pins 31, the connecting ring 3 is sleeved between the first pile head 13 and the second pile tip 21, the diameter of the first pile head 13 is the same as that of the second pile tip 21, the connecting ring 3 is a steel ring, the outer diameter of the connecting ring 3 is the same as that of the second pile tip 21, the connecting groove 33 is formed in the position, corresponding to the connecting ring 3, of the first pile head 13 and the second pile tip 21, the side wall of the connecting groove 33 is annular, and the diameter of the annular side wall of one end of the connecting groove 33 is the same as that of the inner diameter of the connecting ring 3.
Referring to fig. 2 and 3, a plurality of connecting pins 31 are inserted into the periphery of the connecting ring 3 and extend to the inside of the first pile head 13 and the second pile tip 21, a plurality of insertion holes 32 are formed in the periphery of the connecting ring 3 at equal intervals corresponding to the connecting pins 31, the positions of the insertion holes 32 correspond to the positions of the first pile head 13 and the second pile tip 21, the insertion holes 32 are provided as screw holes, the connecting pins 31 are provided as screw rods adapted to the insertion holes 32, a plurality of screw holes are formed in the first pile head 13 and the second pile tip 21 at equal intervals corresponding to the insertion holes 32 and the connecting pins 31, so that the connecting pins 31 can penetrate through the insertion holes 32 and can be screwed into the inside of the first pile head 13 and the second pile tip 21.
Referring to fig. 2 and 3, the connection structure further includes a limiting hole 4 and a limiting block 5 which are mutually adaptive, the limiting hole 4 is opened at the center of the first pile head 13, the limiting block 5 is fixed at the center of the second pile tip 21 corresponding to the limiting hole 4, the fixing mode is integrally formed with the second pile tip 21, the cross section of the limiting hole 4 is rectangular, and the limiting block 5 is rectangular block-shaped and the size of the cross section of the limiting hole 4 is the same.
The implementation principle of the environment-friendly precast pile for soft foundation treatment in the embodiment of the application is as follows:
the first precast pile 1 is driven into the soft foundation through the pile foundation, the first pile tip 11 faces downwards, the first pile tip 11 is conical, so that the soft foundation with soft soil quality is facilitated, when the measured depth of the soil layer with high bearing capacity of the soft foundation is greater than the length of the first precast pile 1, the connecting ring 3 is sleeved at the connecting groove 33 of the first pile head 13, the limiting block 5 of the second pile tip 21 is correspondingly inserted into the limiting hole 4 of the first pile head 13, so that the other end of the connecting ring 3 is sleeved at the connecting groove 33 of the second pile tip 21, the first precast pile 1 and the second precast pile 2 are connected while the first pile head 13 and the second pile tip 21 are abutted against each other, the connecting pins 31 are respectively inserted into the inserting holes 32 and respectively extend to the connecting ring 13 and the second pile tip 21, the relative displacement among the first pile head 13, the connecting ring 3 and the second pile tip 21 is limited, and the connecting effect of the first precast pile 1 and the second precast pile 2 is better, the length of the precast pile driven into the soft foundation is convenient to increase.
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. An environmental protection precast pile for soft foundation treatment is characterized in that: including setting gradually in inside first precast pile (1) of soft base and second precast pile (2), first precast pile (1) with be provided with between second precast pile (2) and be used for connecting first precast pile (1) with the connection structure of second precast pile (2), first precast pile (1) is including integrated into one piece's first stake point (11), first pile body (12) and first pile head (13), second precast pile (2) is including integrated into one piece's second stake point (21), second pile body (22) and second pile head (23), connection structure connects first pile head (13) with second stake point (21).
2. The environmentally friendly precast pile for soft foundation treatment according to claim 1, wherein: connection structure includes go-between (3) and a plurality of connecting pin (31), go-between (3) cover is located first pile head (13) with between second pile point (21), it is a plurality of connecting pin (31) are inserted and are located the week side of go-between (3) and extend to respectively first pile head (13) with the inside of second pile point (21).
3. The environmentally friendly precast pile for soft foundation treatment according to claim 2, wherein: the peripheral wall of the connecting ring (3) is provided with a plurality of inserting holes (32) at equal intervals corresponding to the connecting pins (31), the inserting holes (32) are provided with screw holes, and the connecting pins (31) are provided with screw rods matched with the inserting holes (32).
4. The environmentally friendly precast pile for soft foundation treatment according to claim 3, wherein: the first pile head (13) and the second pile tip (21) are provided with connecting grooves (33) corresponding to the connecting ring (3).
5. The environmentally friendly precast pile for soft foundation treatment according to claim 1, wherein: the connecting structure further comprises a limiting hole (4) and a limiting block (5) which are matched with each other, the limiting hole (4) is formed in the center of the first pile head (13), and the limiting block (5) corresponds to the limiting hole (4) and is fixed in the center of the second pile tip (21).
6. The environmentally friendly precast pile for soft foundation treatment according to claim 1, wherein: the first pile tip (11) is a conical steel pile tip.
7. The environmentally friendly precast pile for soft foundation treatment according to claim 1, wherein: the first precast pile (1) is set to be a solid pile, a plurality of supporting steel columns (121) are equidistantly fixed inside the first pile body (12) of the first precast pile (1) along the axis direction of the first precast pile (1), and a plurality of reinforcing ribs (122) are fixed between the adjacent supporting steel columns (121).
8. The environmentally friendly precast pile for soft foundation treatment according to claim 7, wherein: the second precast pile (2) is arranged to be a tubular pile, and a reinforcement cage (24) is fixed on the peripheral wall of the second precast pile (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120356839.4U CN214401745U (en) | 2021-02-07 | 2021-02-07 | Environment-friendly precast pile for soft foundation treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120356839.4U CN214401745U (en) | 2021-02-07 | 2021-02-07 | Environment-friendly precast pile for soft foundation treatment |
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| CN214401745U true CN214401745U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575336A (en) * | 2022-03-13 | 2022-06-03 | 舒阳 | Multifunctional joint for corrosion-resistant durable precast piles of different types at upper and lower parts and pile forming method thereof |
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2021
- 2021-02-07 CN CN202120356839.4U patent/CN214401745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575336A (en) * | 2022-03-13 | 2022-06-03 | 舒阳 | Multifunctional joint for corrosion-resistant durable precast piles of different types at upper and lower parts and pile forming method thereof |
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