CN113431073A

CN113431073A - Durable building foundation pile

Info

Publication number: CN113431073A
Application number: CN202110666741.3A
Authority: CN
Inventors: 林于谦; 陈奇; 江帆
Original assignee: Zhejiang Shaohua Construction Co ltd
Current assignee: Zhejiang Shaohua Construction Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-09-24
Anticipated expiration: 2041-06-16
Also published as: CN113431073B

Abstract

The utility model relates to a durable type building foundation pile relates to the building technology field, including the precast pile, set up in the foundation portion of precast pile bottom, the vertical stiffener that sets up in the precast pile, the upper end of stiffener extends precast pile and fixedly connected with hammering board, and the hammering board is used for receiving the pile driver to beat the back and drives stiffener and precast pile and sink to ground. This application utilizes the hammering board to bear the damage that beats and receive through the stiffener drive precast pile after beating of pile driver and sinks into ground through setting up the hammering board, reduces the precast pile and directly bears and beat, and then reduces the precast pile and warp or damaged to improve the quality after the foundation pile is pour, make the foundation pile more durable.

Description

Durable building foundation pile

Technical Field

The application relates to the technical field of buildings, in particular to a durable building foundation pile.

Background

At present, in building construction, in order to well beat a foundation, a plurality of foundation piles are required to be embedded in the foundation so as to support the foundation. The foundation pile is usually formed by pouring cement into a precast pile with a hollow structure.

When a foundation pile is embedded, a pile driver is required to knock on the precast pile to drive the precast pile into the ground, and then cement is poured into the precast pile to be solidified and form the foundation pile together with the precast pile so as to reinforce the strength of the foundation pile.

In the above-described related art, the inventors consider that: the pile driver strikes the precast pile to drive the precast pile into the ground, so that the precast pile is easy to deform or damage in the striking process, and the quality of a foundation pile formed by pouring is poor.

Disclosure of Invention

In order to improve the quality after the foundation pile is pour, the purpose of this application is to provide a durable type building foundation pile.

The application provides a durable type building foundation pile adopts following technical scheme:

the utility model provides a durable type building foundation pile, includes the precast pile, set up in the foundation portion of precast pile bottom, vertical set up in stiffener in the precast pile, the upper end of stiffener extends precast pile and fixedly connected with hammering board, the hammering board is used for receiving the pile driver to beat the back and drives stiffener and precast pile and sink to ground.

Through adopting above-mentioned technical scheme, when driving into ground with the precast pile, insert ground with the foundation portion, then utilize the pile driver to beat the hammering board for the hammering board is beaten and is driven the stiffener gliding after beating, and then drives the precast pile and immerses ground, realizes burying the precast pile in ground. Consequently through setting up the hammering board, utilize the hammering board to bear the precast pile and sink into ground through the stiffener drive after beating of pile driver, reduce the precast pile and directly bear the damage of beating and receiving, and then reduce the precast pile and warp or damaged to improve the quality after the foundation pile is pour, make the foundation pile more durable.

Optionally, the stiffener slide in along vertical direction in the precast pile, the precast pile includes that the cross-section is curved a plurality of pile body, slides in the interior pilework of two adjacent piles, the pile body is along the perpendicular to the length direction of stiffener slides, promptly the pile body slides towards keeping away from the stiffener and forms the state of strutting with the pilework roll-off, towards being close to the stiffener and packing up the pilework and form normal condition with the pilework, be equipped with the connecting piece of being connected with the stiffener in the pile body, the connecting piece is used for receiving it struts the pilework roll-off to drive the pile body after the stiffener gliding.

Through adopting above-mentioned technical scheme, when beating the hammering board, the hammering board slides the stiffener gliding for the stiffener gliding drives the pile body through the connecting piece and slides towards the direction of keeping away from the stiffener, opens the pile body and makes the pile slab expose, so that diameter increase behind the extrusion soil of precast pile, with squeeze into ground with the pile body after, the pile body struts and supports tightly in soil, so that pour cement in the precast pile of subaerial diameter increase. Consequently through setting up pile body and stake board, utilize the connecting piece to drive the pile body and strut along with the gliding of stiffener for the precast pile is in the in-process diameter crescent of throwing into, so that the precast pile diameter increase after pouring, can also increase with the diameter after realizing that the precast pile is thrown into, strengthens the compactness of pile body and soil, thereby strengthens the precast pile of diameter increase and pours the steadiness that cement formed the foundation pile.

Optionally, the connecting piece include a plurality of the vaulting poles that articulate in on the pile body inner wall, the one end that the stake body was kept away from to the vaulting pole articulate in on the stiffener, when the hammering board does not receive the hammering, the one end that the vaulting pole is close to the stiffener is towards the slope of hammering board.

Through adopting above-mentioned technical scheme, when beating the hammering board, the hammering board drives the stiffener gliding, drives the vaulting pole after the stiffener gliding and keeps away from the one end of pile body and rotates towards basic unit to make the vaulting pole support the pile body towards the direction of keeping away from the stiffener, and then make the pile body receive the vaulting pole to rotate the back and strut and expose the pile board, slide towards keeping away from the stiffener after receiving the rotation of vaulting pole with a plurality of pile bodies in step. Therefore, through the arrangement of the support rods, the reinforcing rods are used for driving the support rods to rotate simultaneously, so that the pile bodies slide in the direction away from the reinforcing rods synchronously, the pile bodies are unfolded to expose the pile plates, and the diameter of the precast pile is increased when the precast pile is driven into the ground conveniently.

Optionally, a pouring cavity gradually tapered towards the direction away from the hammering plate is formed in the foundation part, the pile body slides in the pouring cavity, and the lower end of the reinforcing rod is fixedly connected to the bottom wall of the pouring cavity.

Through adopting above-mentioned technical scheme, when the stiffener gliding, the stiffener drives the vaulting pole pivoted in, also drives the base portion gliding for the pile body slides along the pouring chamber bottom wall of slope towards the direction of keeping away from the stiffener, so that after the base portion squeezed into ground, the in-process that the pile body propped open, the pile body lower extreme still was located pours the intracavity and with the butt of base portion, with reduce the pile body prop open the back and the gap between the base portion, thereby be convenient for follow-up pour cement and form the foundation pile between the pile body.

Optionally, pour a plurality of stifled strips of fixedly connected with on the inner wall in chamber, stifled strip with the pile sheet one-to-one, just stifled strip is along keeping away from the direction of stiffener is the form of expanding gradually, stifled strip is used for along with the stake body strut with the pile sheet with pour the gap shutoff between the chamber.

Through adopting above-mentioned technical scheme, when the stiffener gliding, the pile body slides towards the direction of keeping away from the stiffener along the diapire of pouring the chamber slope, in order with the pile sheet roll-off, make the pile body slide along the stifled strip that expands gradually at the in-process that slides, make the stifled strip slide into between two adjacent pile bodies, and slide the butt with the pile sheet diapire of roll-off, in order to strut the back pile sheet with the pile body and pour the gap shutoff in chamber, thereby reach the effect that reduces the gap between pile sheet and the base portion.

Optionally, the hammering plate slides into the range between the pile bodies along with the reinforcing rod, a plurality of feed inlets are formed in the circumferential side wall of the hammering plate, and the feed inlets penetrate through the hammering plate and allow cement to flow into the space between the pile bodies.

Through adopting above-mentioned technical scheme, when strikeing the hammering board, the hammering board is strikeed the back and is driven the stiffener and slide towards the below to make the hammering board slide in between the pile body that struts. Until the pile bodies are completely submerged into the ground, then pouring cement between the pile bodies through the feed inlet so as to enable the cement to fill the pouring cavity and the pile bodies to form a foundation pile, and further facilitating the subsequent pouring of the cement between the propped-open pile bodies.

Optionally, when the hammering plate abuts against the support rod, the support rod rotates to be perpendicular to the reinforcing rod, and the hammering plate abuts against the inner wall of the pile body.

Through adopting above-mentioned technical scheme, when knocking the hammering board, beat the hammering board into between the pile body and with pile body inner wall looks butt, hammering board and vaulting pole looks butt, vaulting pole and stiffener are mutually perpendicular this moment, the vaulting pole supports the pile body and struts to the maximum distance, and the hammering board restriction vaulting pole continues to rotate towards the basal portion, slide towards the direction that is close to the stiffener in order to restrict the pile body, hammering board butt in the pile body simultaneously, further strengthen the pile body and strut the steadiness that exposes the pile board, when so that constructor knocks the pile body into between the pile body with the hammering board, can learn the pile body and strut to the maximum distance, continue to knock the hammering board this moment until the pile body all submerges into ground.

When the pile body position beats the mistake, when needing to take out the pile body from ground, only need to utilize the couple to stretch into and drive the hammering board and slide on in the feed inlet, make the hammering board roll-off the pile body in back drive the stiffener and slide on, and then make the vaulting pole rotate up, and drive the pile body shrink and take in the pile board, realize the diameter of pile body and reduce, so that the pile body breaks away from the soil after crowded reality, so that it takes out whole precast pile from ground to hoist the hammering board, and the precast pile after taking out can bury new hole position once more, so that take out the precast pile that does not pour into cement from ground and recycle, thereby reduce the waste after the precast pile buries ground, be favorable to resources are saved.

Optionally, the feed inlets correspond to the pile plates one to one, and the width of each feed inlet is the same as the maximum distance between two adjacent pile bodies.

Through adopting above-mentioned technical scheme, when beating the hammering board, the hammering board glides between the pile body to when the inner wall looks butt of pile body, the pile body struts to maximum distance, pile board expose to the maximum length, and the width of feed inlet and the maximum length that the pile board exposes are the same this moment, and the width of feed inlet is the same with the distance between two adjacent pile bodies promptly. And then make the space intercommunication between feed inlet and two adjacent piles bodies, increase the space of feed inlet in the pile body to when the use couple stretched into the feed inlet and hoisted the hammering board, the speed that the increase cement was poured into.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the hammering plate, the precast pile is driven to sink into the ground through the reinforcing rod after the hammering plate bears the knocking of the pile driver, so that the damage to the precast pile caused by directly bearing the knocking is reduced, and further, the deformation or damage of the precast pile is reduced, the quality of the foundation pile after pouring is improved, and the foundation pile is more durable;

the pile body and the pile plate are arranged, and the pile body is driven by the connecting piece to be propped open along with the downward sliding of the reinforcing rod, so that the diameter of the precast pile is gradually increased in the driving process, the diameter of the precast pile after pouring is increased, the diameter of the precast pile after the precast pile is driven can be increased, the compactness of the pile body and soil is enhanced, and the stability of the precast pile with the increased diameter for pouring cement to form a foundation pile is enhanced;

through the arrangement of the support rods, the reinforcement rods are utilized to drive the support rods to rotate at the same time, so that the pile bodies synchronously slide towards the direction away from the reinforcement rods, the pile bodies are spread to expose the pile plates, and the diameter of the precast pile is increased when the precast pile is driven into the ground;

by arranging the pouring cavity and the blocking plate, the blocking strip slides into the space between two adjacent pile bodies and is in sliding butt joint with the bottom wall of the slid-out pile plate, so that the gap between the pile plate and the pouring cavity is blocked after the pile bodies are unfolded, and the effect of reducing the gap between the pile plate and the foundation part is achieved;

the hammering plate is abutted against the support rods, the support rods are perpendicular to the reinforcing rods, and the hammering plate is abutted against the inner wall of the pile body, so that when a constructor knocks the hammering plate into the pile body, the fact that the pile body is propped to the maximum distance can be known, and the hammering plate continues to be knocked until the pile body is completely submerged into the ground; simultaneously be convenient for hoist and strike the board and take out whole precast pile from subaerial to the precast pile after taking out can bury new hole position once more, so that take out the precast pile of not pouring into cement from the ground after reuse, thereby reduce the waste after the precast pile buries ground, be favorable to resources are saved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view for showing the pile body being folded according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing the opening of the pile body according to the embodiment of the application.

Fig. 4 is a schematic cross-sectional view for showing the opening of the pile body according to the embodiment of the present application.

Description of reference numerals: 1. prefabricating a pile; 11. a pile body; 12. pile plates; 13. a connecting member; 131. a stay bar; 2. a base portion; 21. pouring a cavity; 22. blocking strips; 3. hammering the plate; 31. a reinforcing bar; 32. and (4) feeding a material inlet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a durable type building foundation pile.

Referring to fig. 1, the foundation pile includes precast pile 1, slides butt in the base portion 2 of 1 bottoms of precast pile, and base portion 2 is the convergent form along the direction of keeping away from precast pile 1, and base portion 2 is close to the lateral wall of precast pile 1 and parallels, and 2 upper surfaces of base portion offer supply precast pile 1 male pouring chamber 21, pour chamber 21 and also be the convergent form towards the direction of keeping away from precast pile 1.

Referring to fig. 2, the bottom of precast pile 1 is for laminating in the slope form of pouring 21 chamber walls in chamber, pours vertical fixedly connected with stiffener 31 on the diapire at chamber 21 center, and stiffener 31 extends in precast pile 1 along vertical direction, and stiffener 31 is coaxial with precast pile 1, and the upper end of stiffener 31 extends precast pile 1 and fixedly connected with hammering board 3, and hammering board 3 supplies the pile driver to beat and drives stiffener 31 and precast pile 1 after and bury ground.

Referring to fig. 3 and 4, the reinforcing rod 31 is vertically slid in the precast pile 1, and the hammering plate 3 can also be slid in the precast pile 1 together with the reinforcing rod 31. The precast pile 1 comprises a plurality of pile bodies 11 with arc-shaped cross sections and pile plates 12 sliding in the two adjacent pile bodies 11, wherein the pile plates 12 are made of metal materials with deformation capacity, such as aluminum sheets, and the number of the pile bodies 11 in the embodiment of the present application is preferably four.

Referring to fig. 2 and 4, the lower end of the pile body 11 slides on the bottom wall of the pouring cavity 21, the pile body 11 slides along the direction perpendicular to the length direction of the reinforcing rod 31, a connecting piece 13 connected with the reinforcing rod 31 is installed in the pile body 11, and the connecting piece 13 is used for driving the pile body 11 to be spread to slide out the pile plate 12 after the reinforcing rod 31 slides downwards. That is, pile body 11 slides away from reinforcing rod 31, so that pile plate 12 slides out of pile body 11 to form a spread state, and diameter of precast pile 1 is increased. The pile body 11 slides towards the direction close to the reinforcing rod 31, so that the pile plate 12 slides into the pile body 11 to form a normal state, and the diameter of the precast pile 1 is recovered to the normal state.

Referring to fig. 3, the bottom wall of the casting cavity 21 is fixedly connected with a plurality of blocking strips 22, and the blocking strips 22 and the pile plates 12 are in one-to-one correspondence to block gaps between the pile plates 12 and the casting cavity 21 along with the expansion of the pile body 11. The blocking strips 22 are uniformly distributed along the circumferential direction of the reinforcing rod 31, and the blocking strips 22 are gradually expanded towards the direction far away from the reinforcing rod 31.

Referring to fig. 3 and 4, the lower end of the pile body 11 slides between two adjacent blocking strips 22, the blocking strips 22 slide in the gap between two adjacent pile bodies 11, and the upper surfaces of the blocking strips 22 slide and abut against the lower surface of the pile plate 12, so that after the pile body 11 is driven by the connecting piece 13 to be spread to slide out the pile plate 12, the pile body 11 slides along the blocking strips 22, and the blocking strips 22 extend into the gap between the pile plate 12 and the bottom wall of the pouring cavity 21 to block the gap between the pile body 11, the pile plate 12 and the foundation part 2, thereby facilitating the pouring of cement between the pile bodies 11 to form a foundation pile.

Referring to fig. 2, the connecting member 13 includes a plurality of brace rods 131 hinged to the inner wall of the pile body 11, one end of each brace rod 131, which is far away from the pile body 11, is hinged to the side wall of the corresponding reinforcing rod 31, and a plurality of brace rods 131 are arranged along the length direction of the corresponding reinforcing rod 31, one end of each brace rod 131, which is close to the corresponding reinforcing rod 31, is inclined toward the corresponding hammering plate 3, so that the corresponding reinforcing rod 31 is driven to slide downward by the hammering plate 3 after being knocked, and the corresponding reinforcing rod 31 drives the brace rods 131 to rotate toward the base part 2, so that the pile body 11 slides away from the corresponding reinforcing rod 31 under the rotation of the brace rods 131, and the pile plate 12 slides out.

Referring to fig. 4, the brace 131 on the reinforcing rod 31 near one end of the hammering plate 3 can abut against the bottom wall of the hammering plate 3, and when the hammering plate 3 abuts against the uppermost brace 131 on the reinforcing rod 31, the brace 131 rotates to a position perpendicular to the reinforcing rod 31, so that the pile body 11 slides to a maximum distance in a direction away from the reinforcing rod 31, so as to increase the diameter of the precast pile 1 to a maximum. And the hammering plate 3 slides into between the pile bodies 11 and abuts against the inner wall of the pile body 11 at this time, so that the strut 131 is rotated to be fixed at an angle perpendicular to the reinforcing rod 31, and the pile body 11 which is expanded to the maximum is fixed, and the retraction of the pile body 11 is limited.

Referring to fig. 3, a plurality of feed inlets 32 are provided on the circumferential side wall of the hammering plate 3, the feed inlets 32 correspond to the pile plates 12 one by one, and the feed inlets 32 penetrate through the hammering plate 3. The width of the feed port 32 is the same as the maximum distance between two adjacent pile bodies 11, so that when the pile bodies 11 are spread to the maximum distance, the pile plate 12 slides out and then faces the feed port 32, and a gap between two adjacent pile bodies 11 is communicated with the feed port 32, so that cement can be poured into the precast pile 1 with the increased diameter from the feed port 32.

The implementation principle of the durable building foundation pile of the embodiment of the application is as follows: when the precast pile 1 is buried in the ground, the foundation 2 is inserted into the ground, and the hammer driver is used to beat the hammering plate 3, so that the hammering plate 3 drives the reinforcing rod 31 to slide downwards, and further drives the pile body 11 and the foundation 2 to slide downwards. After precast pile 1 inserts ground one end distance, stiffener 31 drives foundation portion 2 and continues the gliding, and precast pile 1 receives the frictional force of soil for foundation portion 2 and precast pile 1 produce relative slip. And then the stay bar 131 rotates downwards, so that the pile bodies 11 slide in the direction away from the reinforcing bar 31 after being rotated by the stay bar 131, and the pile plate 12 slides out of two adjacent pile bodies 11, so as to compact and tightly support the soil while increasing the diameter of the precast pile 1. After the hammering plate 3 abuts against the stay 131 at the uppermost end of the reinforcing rod 31, the stay 131 rotates to be perpendicular to the reinforcing rod 31, and the hammering plate 3 slides into between the pile bodies 11 and abuts against the inner wall of the pile body 11, so that the stay 131 rotated to be perpendicular to the reinforcing rod 31 is fixed, and the pile body 11 which is expanded to the maximum distance is fixed. Then, cement is poured from the feeding hole 32 to pour the cement between the pile bodies 11 below the hammering plate 3, so that the cement is poured into the precast pile 1 with the increased diameter to form a foundation pile. Beat the in-process at whole and all drive whole precast pile 1 through beating hammering board 3 and sink, reduce precast pile 1 and directly bear and beat and the damage that receives, and then reduce 1 deformations of precast pile or damage to improve the quality after the foundation pile is pour, make the foundation pile more durable.

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

1. A durable type building foundation pile which characterized in that: including precast pile (1), set up in foundation portion (2) of precast pile (1) bottom, vertically in precast pile (1) be provided with stiffener (31), precast pile (1) and fixedly connected with hammering board (3) are extended to the upper end of stiffener (31), hammering board (3) are used for receiving the pile driver to beat the back and drive stiffener (31) and precast pile (1) and sink into ground.

2. A durable building foundation pile as claimed in claim 1, wherein: stiffener (31) slide along vertical direction in precast pile (1), precast pile (1) is curved a plurality of pile body (11), slides pile sheet (12) in two adjacent pile bodies (11) including the cross-section, pile body (11) are along the perpendicular to the length direction of stiffener (31) slides, promptly pile body (11) slide towards keeping away from stiffener (31) and form pile sheet (12) roll-off and prop open the state, slide towards being close to stiffener (31) and pack up pile sheet (12) and form normal condition, be equipped with connecting piece (13) of being connected with stiffener (31) in pile body (11), connecting piece (13) are used for receiving it struts pile sheet (12) roll-off to drive pile body (11) after stiffener (31) gliding.

3. A durable building foundation pile as claimed in claim 2, wherein: the connecting piece (13) comprises a plurality of support rods (131) hinged to the inner wall of the pile body (11), one ends, far away from the pile body (11), of the support rods (131) are hinged to the reinforcing rods (31), and when the hammering plate (3) is not hammered, one ends, close to the reinforcing rods (31), of the support rods (131) incline towards the hammering plate (3).

4. A durable building foundation pile as claimed in claim 2, wherein: the pile body (11) slides in pouring cavity (21), and the lower end of reinforcing rod (31) is fixedly connected to the bottom wall of pouring cavity (21).

5. A durable building foundation pile as claimed in claim 4, wherein: pour on the inner wall in chamber (21) a plurality of stifled strips of fixedly connected with (22), stifled strip (22) with pile slab (12) one-to-one, just stifled strip (22) are along keeping away from the direction of stiffener (31) is the form of expanding gradually, stifled strip (22) are used for along with strutting of pile body (11) with pile slab (12) and pour the gap shutoff between chamber (21).

6. A durable building foundation pile as claimed in claim 2, wherein: hammering board (3) along with stiffener (31) together slide in the within range between pile body (11), a plurality of feed inlets (32) have been seted up on the circumference lateral wall of hammering board (3), feed inlet (32) run through hammering board (3) and supply water mud to flow into between pile body (11).

7. A durable building foundation pile as claimed in claim 3, wherein: when the hammering plate (3) is abutted to the support rod (131), the support rod (131) rotates to be perpendicular to the reinforcing rod (31), and the hammering plate (3) is abutted to the inner wall of the pile body (11).

8. A durable building foundation pile as claimed in claim 6, wherein: the feeding holes (32) are in one-to-one correspondence with the pile plates (12), and the width of each feeding hole (32) is the same as the maximum distance between two adjacent pile bodies (11).