CN210529683U - A tubular pile for soft soil foundation - Google Patents
A tubular pile for soft soil foundation Download PDFInfo
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- CN210529683U CN210529683U CN201921189567.2U CN201921189567U CN210529683U CN 210529683 U CN210529683 U CN 210529683U CN 201921189567 U CN201921189567 U CN 201921189567U CN 210529683 U CN210529683 U CN 210529683U
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Abstract
The utility model relates to a tubular pile technical field discloses a tubular pile for soft soil foundation, and a plurality ofly include the pile body that forms by the concrete prefabrication and enclose synthetic stake chamber by the pile body, fixedly connected with steel reinforcement cage on the inner wall of pile body, the top fixedly connected with pile head of pile body, set up recess one on the up end of pile body, fixedly connected with fixed connection is at a recess inside snap ring on the lower surface of pile head, recess one is close to the fixedly connected with blotter on one side of snap ring. The utility model has the advantages of it is following and effect: can improve the intensity of tubular pile tip, reduce its destruction that causes because of hammering when sinking the stake, and then improve the quality of tubular pile.
Description
Technical Field
The utility model relates to a tubular pile technical field, in particular to a tubular pile for soft soil foundation.
Background
The soft soil foundation refers to a foundation consisting of silt, mucky soil, soft filling soil and miscellaneous filling soil, or other high-compressibility soft soil layers. The soft soil foundation has the characteristics of low bearing capacity, high compressibility, poor water permeability and the like, and the design requirements of the building foundation are difficult to meet. The construction can be carried out after the soft soil foundation is treated, and the existing soft soil foundation mainly comprises a pile foundation method, a soil replacement method, a grouting method, a drainage consolidation method and a reinforcement method.
At present, a chinese patent publication No. CN108625357A discloses a PHC tubular pile. The pipe pile comprises a pipe pile body, wherein a sealing plate is arranged at the pile head of the pipe pile body, and a wood plug is arranged at the pile bottom of the pipe pile body; the sealing plate is welded in a pile hole of the tubular pile body; the outer diameter of the sealing plate is 10mm smaller than the inner diameter of a pile hole of the pile body of the pipe pile; the sealing plate is a steel plate with the thickness of 5mm and the material quality of Q235B.
The technical scheme solves the problem that earthwork in the pile core is difficult to clean in the soft soil foundation construction process, reduces the labor intensity of operators, reduces the construction cost and accelerates the construction speed; but has the following disadvantages: when the tubular pile is constructed, the tubular pile needs to be beaten to bury the tubular pile underground, and the end part of the tubular pile deforms due to deformation, so that the quality of the tubular pile is influenced. Therefore, a pipe pile for soft soil foundation is needed, which can improve the strength of the end of the pipe pile, reduce the damage of the pipe pile caused by hammering during pile sinking, and further improve the quality of the pipe pile.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tubular pile for weak soil foundation, can improve the intensity of tubular pile tip, reduce its destruction that causes because of hammering when sinking the stake, and then improve the quality of tubular pile.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a tubular pile for soft soil foundation, a plurality of pile body that form and enclose synthetic stake chamber by the pile body of forming by the concrete prefabrication, fixedly connected with steel reinforcement cage on the inner wall of pile body, the top fixedly connected with pile head of pile body, set up recess one on the up end of pile body, fixedly connected with fixed connection is at a recess inside snap ring on the lower surface of pile head, fixedly connected with blotter on one side that recess one is close to the snap ring.
By adopting the technical scheme, the top of the pile body is provided with the first groove, the lower surface of the pile head is provided with the snap ring, and the pile body and the pile head are connected through the fixed connection between the snap ring and the first groove; the pile head is formed by pouring a steel bar material, so that the hammering resistance is high, and the upper surface of the pile head is used as a hammering surface to resist high hammering force when pile sinking is carried out; meanwhile, seams exist at the connecting positions of the pile heads and the pile bodies, and partial hammering force can be reduced due to the existence of the fracture surfaces when the hammering force is transmitted from the seams, so that the hammering force applied to a part of the pile bodies is reduced, the cushion pad is deformed due to the hammering force, and the hammering force can be further reduced; the strength of the end part of the tubular pile is improved, the problem that the pile body is damaged due to hammering during pile sinking is reduced, and the quality of the tubular pile is improved.
The utility model discloses further set up to, the both sides wall of blotter respectively with the inner wall of recess one and the outer wall fixed connection of snap ring, the inside fixedly connected with buffer spring of blotter.
By adopting the technical scheme, the cushion pad is fixedly connected between the pile head and the pile body, so that the hammering force transmitted from the pile head to the pile body is reduced; meanwhile, the buffer spring is fixedly connected inside the buffer cushion, so that the buffer performance of the buffer cushion can be further improved, the strength of the buffer cushion is enhanced, and the abrasion speed of the buffer cushion is slowed down.
The utility model discloses further set up to, fixedly connected with layer board on the inner wall in stake chamber, fixedly connected with a plurality of and pile body fixed connection's brace rod on the upper surface of layer board, fixedly connected with and the common fixed connection's of a plurality of brace rods side wall board on the upper surface of layer board.
By adopting the technical scheme, the supporting plate is arranged to divide the pile cavity into two parts, and concrete slurry can be poured into the pile cavity above the supporting plate, so that the top of the pile body can be plugged, the waterproof performance of the pile body is improved, and the stability of the pipe pile is further improved; the support rib can improve the stability of concrete slurry and the stability between the concrete slurry and the pile body, thereby further ensuring the waterproof performance of the pile body.
The utility model discloses further set up to, a plurality of strengthening ribs of fixedly connected with on the outer wall of pile body, be provided with anti-skidding line on the outside of strengthening rib.
By adopting the technical scheme, the reinforcing ribs are arranged to improve the external strength of the pile body, so that the strength of the pile body is improved; the anti-slip lines can increase the contact area between the pile body and the buried foundation, so that the stability of the pile body is further improved.
The utility model discloses further set up to, fixedly connected with platform cap on the upper surface of pile head, fixedly connected with cushion cap on the upper surface of platform cap, fixedly connected with inserted bar on the upper surface of platform cap, still fixedly connected with bulge loop on the upper surface of platform cap, seted up on the lower table of cushion cap with inserted bar joint complex slot, still seted up on the lower surface of cushion cap with bulge loop joint complex recess two.
By adopting the technical scheme, the fixed connection between the table cap and the bearing platform is realized by arranging the insertion rod and the insertion slot which are matched with each other, the convex ring and the groove I, so that the connection between the table cap and the bearing platform is more convenient, and the construction is more rapid; and the bearing platform can be limited, the displacement possibly existing between the bearing platform and the platform cap is reduced, and the stability of the bearing platform is improved.
The utility model discloses further set up to, compound geogrid is moulded to fixedly connected with steel on the upper surface of cushion cap, compound geogrid upper berth is moulded to steel is equipped with the graded broken stone, the upper surface upper berth of graded broken stone is equipped with geotechnological cloth.
By adopting the technical scheme, the steel-plastic composite geogrid and the graded broken stones laid on the steel-plastic composite geogrid are arranged, so that the foundation strength of the top of the pile body can be increased, and the stability of the pile body is improved; the geotextile is laid on the graded broken stone, so that the surface of the geotextile is relatively flat, and the geotextile is convenient for the construction of subsequent procedures.
The utility model discloses further set up to, a plurality of floors of fixedly connected with on the lower surface of pile body, it is a plurality of the through-hole has all been seted up on the floor.
By adopting the technical scheme, the rib plate is a triangular plate, and the tip end of the rib plate is arranged downwards; when the pile body is buried, the burying is more labor-saving through the arranged rib plates, so that the burying speed of the pile body is improved; the through holes can reduce the material required by the production of the rib plate while ensuring the strength of the rib plate, thereby saving the production and manufacturing cost of the tubular pile.
The utility model discloses it is further set up to, a plurality of the whole isosceles triangle that is of pile body distributes.
Through adopting above-mentioned technical scheme, a plurality of piles bodies are isosceles triangle and distribute, and isosceles triangle has good stability to this stability when having improved tubular pile overall construction has improved the quality of tubular pile construction.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the pile sinking operation is carried out, the upper surface of the pile head is used as a hammering surface, so that stronger hammering force can be resisted; meanwhile, a seam exists at the connecting position of the pile head and the pile body, and when the hammering force is transmitted to the connecting position of the pile head and the pile body, the hammering force can be greatly reduced due to the existence of the end face and the cushion pad, so that the strength of the end part of the tubular pile is improved, the problem of pile body damage caused by hammering during pile sinking is reduced, and the quality of the tubular pile is further improved;
2. the buffer spring is fixedly connected inside the buffer cushion in the scheme, so that the buffer performance of the buffer cushion can be further improved, the strength of the buffer cushion is enhanced, and the abrasion speed of the buffer cushion is slowed down;
3. a plurality of pile bodies are isosceles triangle and distribute in this scheme, and isosceles triangle has good stability to this stability when making to improve tubular pile overall construction has improved the quality of tubular pile construction.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 shows the structure of the protruding pile body in the embodiment;
fig. 3 is an enlarged schematic view of a in fig. 2.
Reference numerals: 1. a pile body; 11. a pile cavity; 111. reinforcing ribs; 112. anti-skid lines; 113. a reinforcement cage; 12. a first groove; 121. a cushion pad; 122. a spring; 13. pile head; 131. a snap ring; 14. a support plate; 141. supporting ribs; 142. side coaming plates; 2. a rib plate; 21. a through hole; 3. a table cap; 31. inserting a rod; 32. a convex ring; 4. a bearing platform; 41. a slot; 42. a second groove; 5. steel-plastic composite geogrids; 51. grading broken stone; 511. and (4) geotextile.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a tubular pile for soft soil foundation, including a plurality of piles 1, pile 1 is circular tubular structure, combine fig. 2 to show, pile cavity 11 is formed to the inside of the tubular structure of pile 1, pile 1 is formed by concrete placement, pile 1 is vertical to be buried underground in the inside of soft soil foundation, and the quantity of pile 1 is a plurality of, a plurality of piles 1 wholly are isosceles triangle and distribute, and adjacent three pile 1 also is isosceles triangle and distributes, because triangle-shaped has good stability, thereby the stability when making and having improved tubular pile overall construction, and then the quality of tubular pile construction has been improved. Fixedly connected with steel reinforcement cage 113 on the inner wall of pile body 1, steel reinforcement cage 113 comprises six vertical setting's straight reinforcing bar and the common welded cyclic annular reinforcing bar with six straight reinforcing bars, and six straight reinforcing bars are annular evenly distributed on the inner wall of pile body 1, and a plurality of cyclic annular reinforcing bars and pile body 1 are equal coaxial line, can improve pile body 1's intensity through setting up steel reinforcement cage 113 to this improves pile body 1's stability.
As shown in fig. 2, reinforcing ribs 111 are fixedly connected to the outer wall of the pile body 1, in this embodiment, the number of the reinforcing ribs 111 is six, six reinforcing ribs 111 are uniformly distributed on the outer surface of the pile body 1 in an annular shape, the reinforcing ribs 111 are in a triangular prism structure, the length direction of the reinforcing ribs 111 is the same as the length direction of the pile body 1, and the reinforcing ribs 111 can improve the strength of the outer portion of the pile body 1, so as to improve the strength of the pile body 1; as shown in fig. 3, one side of the reinforcing rib 111 is fixedly connected to the pile body 1, and the other two sides of the reinforcing rib 111 are provided with anti-slip patterns 112, so that the anti-slip patterns 112 can increase the contact area between the pile body 1 and the buried foundation, thereby further improving the stability of the pile body 1. The lower surface of the pile body 1 is fixedly connected with the ribbed plates 2, the ribbed plates 2 are of a right-angled triangle plate-shaped structure, the number of the ribbed plates 2 is six, the longer right-angled edges of the six ribbed plates 2 are fixedly connected together, the shorter right-angled edges of the six ribbed plates 2 are fixedly connected together with the lower surface of the pile body 1, the sharp parts of the ribbed plates 2 are vertically arranged downwards, and when the pile body 1 is buried, the buried labor is saved due to the arranged ribbed plates 2, so that the burying speed of the pile body 1 is increased; a plurality of through holes 21 are formed in the side face of any rib plate 2, the through holes 21 can reduce materials required by production of the rib plate 2 while the strength of the rib plate 2 is guaranteed, and therefore the production and manufacturing cost of the tubular pile is saved.
As shown in fig. 2 and 3, a supporting plate 14 is fixedly connected to the inner wall of the pile cavity 11, the supporting plate 14 is a circular plate-shaped structure, the peripheral side of the supporting plate 14 is fixedly connected to the inner wall of the pile body 1, and concrete slurry can be poured into the pile cavity 11 above the supporting plate 14 during the construction process of the tubular pile, so that the top of the pile body 1 can be plugged, the waterproof performance of the pile body 1 is improved, and the stability of the tubular pile is further improved; the upper surface of the pile body 1 is fixedly connected with support ribs 141, the support ribs 141 are vertically fixed on the upper surface of the supporting plate 14, the number of the support ribs 141 is six, the six support ribs 141 are uniformly distributed on the upper surface of the supporting plate 14 in an annular shape, the tops of the six support ribs 141 are bent by 90 degrees towards one side close to the side wall of the pile body 1, and the bent horizontal parts are fixedly connected with the upper end face of the pile body 1; the upper surface of the supporting plate 14 is also fixedly connected with a side surrounding plate 142, the side surrounding plate 142 is of an annular structure, the inner wall of the side surrounding plate 142 is fixedly connected with the bottom end side wall of the supporting rib 141, and the horizontal parts of the side surrounding plate 142 and the supporting rib 141 improve the stability of the supporting rib 141, so that the connection between the concrete slurry and the pile body 1 is more stable, and the waterproof performance of the pile body 1 is further ensured.
As shown in fig. 3, a pile head 13 is fixedly connected to the top of the pile body 1, the pile head 13 is a circular tubular structure, the shape of the pile head 13 is the same as that of the pile body 1, the length of the pile head 13 is smaller than that of the pile body 1, the pile head 13 and the pile body 1 are coaxial, and the pile head 13 is formed by pouring a steel bar material, so that the pile head has a strong hammering resistance. The upper end surface of the pile body 1 is provided with a first groove 12, the first groove 12 is annular, and the first groove 12 and the pile body 1 are coaxial. The lower surface of the pile head 13 is fixedly connected with a convex ring 32, the convex ring 32 is of a circular tubular structure, the convex ring 32 and the pile head 13 are coaxial, the convex ring 32 is fixedly arranged inside the first groove 12, and when pile sinking is carried out, the upper surface of the pile head 13 serves as a hammering surface and can resist strong hammering force; meanwhile, a seam exists at the connecting position of the pile head 13 and the pile body 1, and partial hammering force can be reduced due to the existence of the cross section when the hammering force is transmitted from the seam, so that the hammering force borne by part of the pile body 1 is reduced, the problem that the pile body 1 is damaged due to the bearing of larger hammering force is reduced, and the quality of the tubular pile is further improved. The buffer pads 121 are fixedly connected to the inner walls of the first grooves 12, the buffer pads 121 are made of rubber materials and have good buffering performance, the side walls, far away from the first grooves 12, of the buffer pads 121 are fixedly connected with the convex rings 32, and when the hammering force is transmitted to the buffer pads 121, the buffer pads 121 can deform, so that the hammering force can be further reduced; the inside fixedly connected with buffer spring 122 of blotter 121, buffer spring 122 can further improve the shock-absorbing capacity of blotter 121 simultaneously, and has strengthened the intensity of blotter 121, has reduced the wearing and tearing speed of blotter 121 to further improve the intensity with this improved the tubular pile tip, reduced its problem that causes pile body 1 to destroy because of hammering when sinking the pile, further improve the quality of tubular pile.
As shown in fig. 3, a table cap 3 is fixedly connected to the upper surface of the pile head 13, the table cap 3 is of an annular plate-shaped structure, the inner diameter of the table cap 3 is equal to the inner diameter of the pile body 1, the outer diameter of the table cap 3 is larger than the outer diameter of the pile body 1, the table cap 3 and the pile body 1 are coaxial, a bearing platform 4 is fixedly connected to the upper surface of the table cap 3, the bearing platform 4 is of a circular plate-shaped structure, the bearing platform 4 is formed by prefabricating concrete, the diameter of the bearing platform 4 is equal to the outer diameter of the table cap 3, an insert rod 31 is fixedly connected to the upper surface of the table cap 3, the insert rod 31 is of a cylindrical structure, the number of the insert rods 31 is multiple, the multiple insert rods 31 are vertically fixed to the upper surface of the table cap 3, a convex ring 32 is also fixedly connected to the upper surface of the table cap 3, the convex ring 32 is of an annular structure, and. The lower surface of the bearing platform 4 is provided with a slot 41, the slot 41 is in clamping fit with the insert rod 31, the lower surface of the bearing platform 4 is also provided with a groove II 42, the groove II 42 is in clamping fit with the convex ring 32, and the insert rod 31, the slot 41, the convex ring 32 and the groove I12 which are mutually matched are arranged to realize the fixed connection between the platform cap 3 and the bearing platform 4, so that the connection between the platform cap 3 and the bearing platform 4 is more convenient, and the construction is more rapid; and the bearing platform 4 can be limited, the displacement possibly existing between the bearing platform and the platform cap 3 is reduced, and the stability of the bearing platform 4 is improved. As shown in fig. 2, the steel-plastic composite geogrid 5 is laid on the upper surface of the bearing platform 4, the number of the steel-plastic composite geogrids 5 is two, graded broken stones 51 are laid on the two steel-plastic composite geogrids 5, and the steel-plastic composite geogrids 5 and the graded broken stones 51 can increase the foundation strength of the top of the pile body 1 and improve the stability of the pile body 1; the geotextile 511 is laid on the upper surface of the graded broken stone 51, and the geotextile 511 can enable the surface of the graded broken stone 51 to be relatively flat, thereby facilitating the construction of subsequent procedures.
When the pile driving device is used, the upper surface of the pile head 13 serves as a hammering surface to resist stronger hammering force when pile sinking is carried out; meanwhile, a seam exists at the connecting position of the pile head 13 and the pile body 1, and partial hammering force can be reduced due to the existence of the fracture surface when the hammering force is transmitted from the seam, so that the hammering force applied to part of the pile body 1 is reduced; meanwhile, when the hammering force is transmitted to the cushion pad 121, the cushion pad 121 can deform, so that the hammering force can be further reduced; the inside fixedly connected with buffer spring 122 of blotter 121, buffer spring 122 can further improve the shock-absorbing capacity of blotter 121, and has strengthened the intensity of blotter 121, has slowed down the wearing and tearing speed of blotter 121 to this intensity that has improved the tubular pile tip reduces its problem that causes pile body 1 to destroy because of hammering when sinking the pile, thereby has improved the quality of tubular pile.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a tubular pile for soft soil foundation, a plurality ofly include pile body (1) that form by the concrete prefabrication and enclose synthetic stake chamber (11) by pile body (1), fixedly connected with steel reinforcement cage (113), characterized by on the inner wall of pile body (1): the top fixedly connected with pile head (13) of pile body (1), seted up recess one (12) on the up end of pile body (1), fixedly connected with fixed connection is at inside snap ring (131) of recess one (12) on the lower surface of pile head (13), fixedly connected with blotter (121) on one side that recess one (12) are close to snap ring (131).
2. A pipe pile for soft soil foundation according to claim 1, characterized in that: two side walls of the cushion pad (121) are respectively fixedly connected with the inner wall of the first groove (12) and the outer wall of the clamping ring (131), and a buffer spring (122) is fixedly connected inside the cushion pad (121).
3. A pipe pile for soft soil foundation according to claim 1, characterized in that: the pile structure is characterized in that a supporting plate (14) is fixedly connected to the inner wall of the pile cavity (11), a plurality of supporting ribs (141) fixedly connected with the pile body (1) are fixedly connected to the upper surface of the supporting plate (14), and a side enclosing plate (142) fixedly connected with the supporting ribs (141) together is fixedly connected to the upper surface of the supporting plate (14).
4. A pipe pile for soft soil foundation according to claim 1, characterized in that: the anti-skid pile is characterized in that a plurality of reinforcing ribs (111) are fixedly connected to the outer wall of the pile body (1), and anti-skid grains (112) are arranged on the outer side of each reinforcing rib (111).
5. A pipe pile for soft soil foundation according to claim 1, characterized in that: fixedly connected with platform cap (3) on the upper surface of stake head (13), fixedly connected with cushion cap (4) on the upper surface of platform cap (3), fixedly connected with inserted bar (31) on the upper surface of platform cap (3), still fixedly connected with bulge loop (32) on the upper surface of platform cap (3), set up on the lower table of cushion cap (4) and connect complex slot (41) with inserted bar (31), still set up on the lower surface of cushion cap (4) and connect complex recess two (42) with bulge loop (32).
6. A pipe pile for soft soil foundation according to claim 5, characterized in that: the steel-plastic composite geogrid (5) is fixedly connected to the upper surface of the bearing platform (4), graded broken stones (51) are paved on the steel-plastic composite geogrid (5), and geotextile (511) is paved on the upper surface of the graded broken stones (51).
7. A pipe pile for soft soil foundation according to claim 1, characterized in that: the lower surface of the pile body (1) is fixedly connected with a plurality of ribbed plates (2), and the ribbed plates (2) are provided with through holes (21).
8. A pipe pile for soft soil foundation according to claim 1, characterized in that: the pile bodies (1) are integrally distributed in an isosceles triangle shape.
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CN201921189567.2U CN210529683U (en) | 2019-07-25 | 2019-07-25 | A tubular pile for soft soil foundation |
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CN201921189567.2U CN210529683U (en) | 2019-07-25 | 2019-07-25 | A tubular pile for soft soil foundation |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113356193A (en) * | 2021-07-03 | 2021-09-07 | 赵洪杰 | Prestressed cement pipe pile for building reinforcement |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113356193A (en) * | 2021-07-03 | 2021-09-07 | 赵洪杰 | Prestressed cement pipe pile for building reinforcement |
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