CN209958350U - Reinforced hollow square pile - Google Patents
Reinforced hollow square pile Download PDFInfo
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- CN209958350U CN209958350U CN201920267355.5U CN201920267355U CN209958350U CN 209958350 U CN209958350 U CN 209958350U CN 201920267355 U CN201920267355 U CN 201920267355U CN 209958350 U CN209958350 U CN 209958350U
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Abstract
The utility model relates to a building pile foundation field discloses a hollow square pile of enhancement mode, including square pile body, columniform through-hole has been seted up at the pile body center, be fixed with the horizontal rib that vertical rib and a plurality of level that vertical set up of at least one evenly set up on the outer wall of pile body, four angle departments of pile body are equipped with outside bellied corner limit, the outer wall on corner limit and the outer wall parallel and level of indulging the rib. Under the condition of consuming the same material, the manufacturing mode of arranging the longitudinal ribs and the transverse ribs improves the section mechanical property of the hollow square pile, enhances the bending rigidity and increases the pressure-resistant bearing capacity; in addition, due to the existence of the longitudinal ribs and the transverse ribs on the surface of the pile body, the friction coefficient between the pile body and the soil is improved, and the bearing capacity of the pile body is further enhanced.
Description
Technical Field
The utility model relates to a building pile foundation field, in particular to hollow square pile of enhancement mode.
Background
The precast pile is widely applied to the pile foundation of the high-rise building, and in order to obtain higher pile body strength, the precast pile of the high-rise building usually adopts a prestressed concrete pipe pile produced by a centrifugal method.
The chinese patent with the bulletin number of CN201660889U discloses a hollow square pile of prestressed concrete, including many independent main reinforcing bars, respectively the square end plate of fixedly connected with on main reinforcing bar both ends, be equipped with the reinforcing bar cage at main reinforcing bar overcoat, the reinforcing bar cage includes the spiral reinforcing bar, the welding has many auxiliary steel bars on the spiral reinforcing bar, it has the concrete to pour into outside main reinforcing bar and reinforcing bar cage, the concrete combines into an organic whole square pile with main reinforcing bar and reinforcing bar cage, be equipped with a central round hole that runs through whole square pile body at square pile center. The hollow square pile provides a prestressed concrete hollow square pile which has good forming quality, high single-pile bearing capacity, no damage to the steel reinforcement framework before use, convenient production and stacking, and is not easy to knock and damage during pile hoisting, transportation and transportation.
When the hollow square pile is used, the surface of the hollow square pile is smooth, the friction force between the hollow square pile and a soil layer is small, and the bearing capacity of the hollow square pile is weak.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hollow square pile of enhancement mode has the stronger advantage of bearing capacity.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a hollow square pile of enhancement mode, includes the square pile body, and columniform through-hole has been seted up at the pile body center, be fixed with the horizontal rib that the vertical rib and a plurality of level that at least one vertical setting evenly set up on the outer wall of pile body, four angle departments of pile body are equipped with outside bellied corner limit, the outer wall on corner limit and the outer wall parallel and level of indulging the rib.
By adopting the technical scheme, under the condition of consuming the same material, the manufacturing mode of arranging the longitudinal ribs and the transverse ribs improves the section mechanical property of the hollow square pile, enhances the bending rigidity and increases the compression-resistant bearing capacity; in addition, due to the existence of the longitudinal ribs and the transverse ribs on the surface of the pile body, the friction coefficient between the pile body and the soil is improved, and the bearing capacity of the pile body is further enhanced.
Furthermore, the cross sections of the longitudinal ribs and the transverse ribs are trapezoidal, two sides of the longitudinal ribs and the transverse ribs are obliquely arranged, and the width of one surface, which is attached to the pile body, of the longitudinal ribs and the transverse ribs is larger than that of the other surface of the longitudinal ribs and the transverse ribs.
Through adopting above-mentioned technical scheme, can form the recess of indent between the vertical rib and the corner limit of the surface of pile body. The pile body is made by adopting a centrifugal process, the mould can be placed on the surface of the pile body to form a groove and longitudinal ribs when the pile body is made, the two sides of the longitudinal ribs and the two sides of the transverse ribs are obliquely arranged, namely, the two sides of the mould are also obliquely arranged to be trapezoidal, when the mould is removed by an operator, the mould can be directly pulled out from the groove, and the mould removal is convenient.
Furthermore, the corner edge comprises two mutually perpendicular side edges, and the two side edges are connected with the pile body through inclined connecting edges.
By adopting the technical scheme, the two sides of the corner edge are also connected with the pile body through the inclined connecting edge, and the die is more convenient to disassemble.
Further, the height of the longitudinal ribs is equal to the height of the transverse ribs.
Through adopting above-mentioned technical scheme, indulge the rib and highly equal with the horizontal rib, the surface of pile body is comparatively level and smooth, and in the transportation, indulge the rib and the horizontal rib is flat common atress mutually, and stress is comparatively even, and the pile body is not fragile.
Furthermore, square reinforcing ends are fixed at two ends of the pile body, the height of each reinforcing end is the same as that of the longitudinal rib, and the longitudinal rib and the transverse rib are arranged between the two reinforcing ends.
Through adopting above-mentioned technical scheme, the upper and lower both ends of pile body are strengthened through strengthening the end, and when pile body and pile body were connected, the area of contact of pile body and pile body was great, and it is comparatively stable to connect.
Furthermore, the lower end of the pile body protrudes downwards to form an inserting end, the size of the inserting end is smaller than that of the reinforcing end, and the upper end surface of the pile body is provided with an inwards-concave inserting groove matched with the inserting end.
By adopting the technical scheme, when the pile body is connected with the pile body, the inserting end at the lower end of the upper pile body is inserted into the inserting groove at the upper end of the lower pile body. The contact area between the splicing end and the splicing groove is larger, and the connection stability of the pile body and the pile body is stronger.
Furthermore, the upper end of the through hole is fixed with an inserting pipe extending out of the through hole, the length of the inserting pipe is not more than the depth of the inserting groove, and the lower end of the through hole is provided with an inserting port matched with the inserting pipe.
Through adopting above-mentioned technical scheme, when the pile body links to each other with the pile body, in the grafting end inserted the inserting groove, in the grafting pipe inserted the interface, further increased the area of contact of pile body and pile body to improve the steadiness that pile body and pile body are connected.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the longitudinal ribs and the transverse ribs, the friction coefficient between the pile body and the soil is improved, and the bearing capacity of the pile body is enhanced;
2. through the setting of strengthening the end, increase the wall thickness, conveniently pile extension and pile follower have also improved the structural strength and the bearing capacity of the pile body.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic cross-sectional view of a pile body according to an embodiment;
fig. 3 is a schematic structural diagram of the second embodiment.
In the figure, 1, a pile body; 11. a through hole; 12. a reinforcing end; 13. a plug end; 14. inserting grooves; 15. inserting a pipe; 16. an interface; 17. a groove; 2. longitudinal ribs; 3. a cross rib; 4. corner edges; 41. a side edge; 42. and connecting the edges.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
an enhanced hollow square pile, as shown in figure 1, comprises a square pile body 1, wherein a cylindrical through hole 11 is formed in the center of the pile body 1.
As shown in fig. 1, reinforcing ends 12 are poured at two ends of the pile body 1, and the reinforcing ends 12 increase the wall thickness of the pile body 1, improve the structural strength and bearing capacity of the pile body 1, and facilitate pile extension and pile feeding.
As shown in fig. 1, a plurality of horizontal ribs 3 and vertical ribs 2 are fixed between two reinforcing ends 12, and the vertical ribs 2 and the horizontal ribs 3 are staggered with each other. The section mechanical property of the pile body 1 is enhanced, the bending rigidity is enhanced, and the compression-resistant bearing capacity is increased.
As shown in figure 1, each surface of the pile body 1 is provided with a longitudinal rib 2 which is arched outwards, the height of the longitudinal rib 2 is 30 ~ 50mm, the width of the rib is 80 ~ 100mm, the outer wall of the longitudinal rib 2 is flush with the outer wall of the reinforcing end 12, the pile body 1 is provided with a transverse rib 3 every 800 ~ 1000mm along the length direction, the height of the transverse rib 3 is 30 ~ 50mm, the width of the rib is 80 ~ 100mm, the transverse rib 3 is flush with the outer wall of the longitudinal rib 2, and the transverse rib 3 connects the longitudinal rib 2 to form an integral structure so as to improve the strength of the pile body.
Referring to fig. 1 and 2, four corner parts of the pile body 1 are fixed with corner edges 4 extending outwards, and the outer walls of the corner edges 4 are flush with the outer walls of the longitudinal ribs 2. Concave grooves 17 are formed among the longitudinal ribs 2, the transverse ribs 3 and the corner edges 4. The surface of the pile body 1 is uneven due to the groove 17, so that the contact area of the pile body 1 and soil is increased, the friction coefficient of the pile body 1 and the soil is improved, and the bearing capacity of the pile body 1 is enhanced.
As shown in fig. 2, four sides 41 of the groove 17 are inclined, the area of the bottom of the groove 17 is smaller than the area of the opening of the groove 17, and the groove 17 is in a trapezoid shape which is opened outwards. During the preparation of pile body 1, need form recess 17 through the mould, the slope setting is all gone up on four limits of mould and recess 17, and pile body 1 preparation is accomplished the back, and it is comparatively convenient when operating personnel takes out the mould from recess 17, and the drawing of patterns is comparatively easy.
As shown in fig. 1 and 2, the cross sections of the longitudinal ribs 2 and the transverse ribs 3 are trapezoidal, both sides of the longitudinal ribs 2 and the transverse ribs 3 are inclined, and the width of one surface of the longitudinal ribs 2 and the transverse ribs 3, which is in contact with the pile body 1, is larger than the width of the other surface. The corner edge 4 comprises two perpendicular side edges 41, and the two side edges 41 are connected with the pile body 1 through an inclined connecting edge 42. The two sides 41 of the corner edge 4 are perpendicular to each other to ensure the structural strength of the pile body 1.
Example two:
the difference between the second embodiment and the first embodiment is that the upper end and the lower end of the pile body 1 have different structures: as shown in fig. 3, the lower end of the pile body 1 protrudes downward to form a plug end 13, the size of the plug end 13 is smaller than that of the reinforcement end 12, and the upper end surface of the pile body 1 is provided with a concave plug groove 14 matching with the plug end 13. The lower end of the through hole 11 is provided with an inwards concave interface 16, and the diameter of the interface 16 is larger than that of the through hole 11. The upper end of the through hole 11 is fixed with an inserting pipe 15 extending out of the through hole 11, and the length of the inserting pipe 15 is smaller than the depth of the inserting groove 14. When the pile body 1 is connected with the pile body 1, the inserting end 13 at the lower end of the upper pile body 1 is inserted into the inserting groove 14 at the upper end of the lower pile body 1, and the inserting pipe 15 is inserted into the inserting port 16. The pile body 1 has a large contact area with the pile body 1, and the connection is stable.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a hollow square pile of enhancement mode, includes square pile body (1), and columniform through-hole (11), its characterized in that have been seted up to pile body (1) center: the pile is characterized in that at least one vertical rib (2) and a plurality of horizontal transverse ribs (3) are fixed on the outer wall of the pile body (1), the vertical rib and the transverse ribs are evenly arranged, four corners of the pile body (1) are provided with outwards convex corner edges (4), and the outer wall of each corner edge (4) is flush with the outer wall of the vertical rib (2).
2. The reinforced hollow square pile of claim 1, wherein: the cross sections of the longitudinal ribs (2) and the transverse ribs (3) are trapezoidal, two sides of the longitudinal ribs (2) and two sides of the transverse ribs (3) are obliquely arranged, and the width of one surface, which is attached to the pile body (1), of the longitudinal ribs (2) and the transverse ribs (3) is larger than that of the other surface.
3. The reinforced hollow square pile of claim 2, wherein: the corner edge (4) comprises two mutually vertical side edges (41), and the two side edges (41) are connected with the pile body (1) through inclined connecting edges (42).
4. The reinforced hollow square pile of claim 1, wherein: the height of the longitudinal ribs (2) is equal to that of the transverse ribs (3).
5. The reinforced hollow square pile of claim 1, wherein: the pile is characterized in that square reinforcing ends (12) are fixed at two ends of the pile body (1), the height of each reinforcing end (12) is equal to that of each longitudinal rib (2), and each longitudinal rib (2) and each transverse rib (3) are arranged between the corresponding reinforcing ends (12).
6. The reinforced hollow square pile of claim 5, wherein: the lower end of the pile body (1) protrudes downwards to form an inserting end (13), the size of the inserting end (13) is smaller than that of the reinforcing end (12), and the upper end surface of the pile body (1) is provided with an inwards-concave inserting groove (14) matched with the inserting end (13).
7. The reinforced hollow square pile of claim 6, wherein: the upper end of the through hole (11) is fixed with a plug pipe (15) extending out of the through hole (11), the length of the plug pipe (15) is not more than the depth of the plug groove (14), and the lower end of the through hole (11) is provided with a plug interface (16) matched with the plug pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267355.5U CN209958350U (en) | 2019-03-01 | 2019-03-01 | Reinforced hollow square pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267355.5U CN209958350U (en) | 2019-03-01 | 2019-03-01 | Reinforced hollow square pile |
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| Publication Number | Publication Date |
|---|---|
| CN209958350U true CN209958350U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920267355.5U Active CN209958350U (en) | 2019-03-01 | 2019-03-01 | Reinforced hollow square pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343018A (en) * | 2020-09-30 | 2021-02-09 | 杭州华耕土地规划设计咨询有限公司 | Multi-material composite ecological environment-friendly pine pile channel |
| CN113982019A (en) * | 2021-12-11 | 2022-01-28 | 浙江宸垚建筑科技有限公司 | Construction process and construction method for building foundation |
-
2019
- 2019-03-01 CN CN201920267355.5U patent/CN209958350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343018A (en) * | 2020-09-30 | 2021-02-09 | 杭州华耕土地规划设计咨询有限公司 | Multi-material composite ecological environment-friendly pine pile channel |
| CN113982019A (en) * | 2021-12-11 | 2022-01-28 | 浙江宸垚建筑科技有限公司 | Construction process and construction method for building foundation |
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