CN214423345U

CN214423345U - High-strength hammering tubular pile

Info

Publication number: CN214423345U
Application number: CN202120300981.7U
Authority: CN
Inventors: 王飞飞; 卢开君; 杨卫平
Original assignee: Wuhan Jingang Geotechnical Engineering Co ltd
Current assignee: Wuhan Jingang Geotechnical Engineering Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-19
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a high strength hammering tubular pile relates to the field of tubular pile, its pile head and with pile head fixed connection's pile body, pile body cavity sets up, the inside cavity fixedly connected with grout bed of material of pile body, the pile body is kept away from the periphery wall of pile head run through set up be used for to the grout hole of the inside cavity grout of pile body, the pile body in the drill way department detachable connection of grout hole has the grout fill of being convenient for grout, the inside multiunit that is provided with of pile body is used for making the pile body with the bar planting spare of the common atress of grout bed, multiunit the bar planting spare is followed the even interval arrangement of axial of pile body. This application has the effect that intensity is high, is favorable to improving the engineering quality, and the transportation weight of reducible tubular pile is favorable to reducing construction cost.

Description

High-strength hammering tubular pile

Technical Field

The application relates to the field of tubular pile, especially relate to a high strength hammering tubular pile.

Background

At present, the diameter of the pile is increased in the large-scale trend in large-scale modern basic operation such as high-speed rails, bridges, wharfs, high buildings and the like. The existing large-scale pile construction method comprises three main pile manufacturing methods of a cast-in-place pile, a precast pile and a large-diameter thin-wall cast-in-place tubular pile.

The prior hammer pipe pile mostly adopts the precast pile, the precast pile is made of various materials and various forms of piles in a factory or a construction site, such as a concrete square pile, a prestressed pipe pile, a steel pile and the like, and the pile is driven, pressed or vibrated into the soil by pile sinking equipment.

In view of the above-mentioned related technologies, because the force that the pile body radially endures in a short time is great in the hammering process, the pile body is easy to break in the use process, and the pile needs to be sunk again or not found, which reduces the engineering quality, and the inventor thinks that the tubular pile has the defect of poor strength.

SUMMERY OF THE UTILITY MODEL

In order to improve the relatively poor problem of tubular pile load capacity, this application provides a high strength hammering tubular pile.

The application provides a pair of high strength hammering tubular pile adopts following technical scheme:

the utility model provides a high strength hammering tubular pile, including the pile head and with pile head fixed connection's pile body, pile body cavity sets up, the inside cavity fixedly connected with grout bed of material of pile body, the pile body is kept away from the periphery wall of pile head run through set up be used for to the grout hole of the inside cavity grout of pile body, the pile body in the drill way department detachable connection in grout hole is convenient for grout fill, the inside multiunit that is provided with of pile body is used for making the pile body with the bar planting spare of the common atress of grout bed, multiunit the bar planting spare is followed the even interval arrangement of axial of pile body.

Through adopting the above technical scheme, when installing high strength hammering tubular pile, earlier through grout fill and grout hole in the inside cavity of pile body pours into grout material, make the inside grout bed that forms of pile body, simultaneously the grout bed passes through bar planting spare and pile body formation wholly, and pile body and the common atress of grout bed, with this effect that realizes promoting tubular pile intensity, reduce the risk that the pile body takes place the fracture phenomenon, be favorable to improving engineering quality, save the cost, grout hole and grout fill are convenient for grout at the job site simultaneously, reduce the transportation weight of tubular pile, be favorable to reducing construction cost.

Optionally, the bar planting spare includes a plurality of intercrossing connection's horizontal reinforcing bar, horizontal reinforcing bar is followed the radial arrangement of pile body, just the equal fixed connection in both ends of horizontal reinforcing bar in the internal perisporium of pile body, grout material layer parcel in the periphery wall of horizontal reinforcing bar.

Through adopting above-mentioned technical scheme, horizontal reinforcing bar makes pile body and grout material layer form whole, because the compressive strength on grout material layer is high for the holistic compressive strength of tubular pile obtains promoting, reduces because the hammering leads to the fact the cracked risk of tubular pile.

Optionally, the pile body is fixedly connected with a plurality of longitudinal steel bars along the axial direction thereof, the peripheral walls at the two ends of each transverse steel bar are fixedly connected with the peripheral walls of the two longitudinal steel bars respectively, and the grouting material layer is wrapped on the peripheral walls of the longitudinal steel bars.

Through adopting above-mentioned technical scheme, vertical reinforcing bar, horizontal reinforcing bar, pile body and grout material layer form wholly, and the tensile strength of vertical reinforcing bar and pile body is high for the holistic tensile strength of tubular pile obtains promoting, reduces because both sides earth extrusion causes the cracked risk of tubular pile.

Optionally, a plurality of longitudinal steel bars are jointly sleeved with a plurality of circles of stirrups, and the stirrups are arranged along the axial direction of the pile body at even intervals.

Through adopting above-mentioned technical scheme, the stirrup makes a plurality of longitudinal reinforcement form whole better, further promotes the holistic tensile strength of tubular pile.

Optionally, the pile body in the mounting groove has all been seted up along the axial in the both sides in grout hole, the both ends closure setting of mounting groove, the pile body is in two equal fixedly connected with channel-section steel in the mounting groove, the both sides that the grout was fought slide respectively in two in the channel-section steel, the channel-section steel with be provided with a plurality of restrictions that are used for between the grout fill the retaining member that the grout was fought and is slided.

Through adopting above-mentioned technical scheme, when needs are in milk to the pile body, slide along the channel-section steel earlier and install the grouting fill to through the slip of retaining member restriction grouting fill, can accomplish the installation of grouting fill.

Optionally, the retaining member is the bolt, the grout fill runs through set up with the bolt groove of sliding of adaptation that slides, the channel-section steel is seted up in the joint groove with bolt joint adaptation, the grout fill is provided with and is used for ordering about the elastic component of bolt joint that resets, the grout fill be provided with be used for right the guide of bolt direction.

Through adopting above-mentioned technical scheme, when the installation grout is fought, pioneer makes the bolt slide along the length direction in groove that slides, get into the joint inslot until the tip of bolt for grout fill and channel-section steel joint, can accomplish the installation of grout fill, when dismantling grout fill, pioneer makes the bolt slide out the joint groove, can accomplish dismantling of grout fill, with this realization be convenient for dismantle the grout fill, make grout fill can used repeatedly, and can evenly pour into the pile body inside with the grout material.

Optionally, the elastic part is a spring, one end of the bolt far away from the channel steel is fixedly connected with a handle, the spring is sleeved on the outer peripheral wall of the bolt, one end of the spring is fixedly connected with the handle, and the other end of the spring is fixedly connected with the grouting hopper.

Through adopting above-mentioned technical scheme, when ordering about the bolt and sliding towards the direction of keeping away from the joint groove, the spring is in compression state, when canceling and exerting in the external force of bolt, the spring begins to kick-back and orders about the bolt through elastic force and slides and get into the joint inslot to this realization orders about the purpose of bolt joint that resets, and the elastic force of bolt orientation joint groove is exerted all the time to the spring, makes the stable joint of bolt in the joint inslot.

Optionally, the guide piece be fixed connection in the guide block of bolt periphery wall, the grouting fill in the lateral wall in the groove that slides seted up with the guide block guide way of the adaptation that slides, the both ends closure setting of guide way, just the guide block with guide way inner wall cross section is the T style of calligraphy.

Through adopting above-mentioned technical scheme, the guide block slides in the guide way along the length direction of guide way for the bolt only can slide along the length direction in the groove that slides, with this realization to the purpose of bolt direction, and the guide way both ends are closed, can reduce the risk that the bolt drops.

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

1. the grouting material layer is filled in the inner cavity of the pile body, and the transverse reinforcing steel bars, the longitudinal reinforcing steel bars and the stirrups are wrapped in the grouting material layer, so that the pile body and the grouting material layer form an integral body and bear force together, and the tensile strength and the compressive strength of the whole pipe pile are improved, so that the effect of improving the strength of the pipe pile is realized, and the engineering quality is improved;

2. through fighting the grout and sliding in the channel-section steel to order about the bolt through the bolt and slide in the joint inslot, make the grout fill with the mutual joint of channel-section steel and accomplish the installation of grout fill, can be convenient for the scene is in milk, can reduce the holistic transport quality of tubular pile, be favorable to reducing construction cost, the tip that rethread handle ordered about the bolt returns the inslot that slides, can dismantle the grout fill promptly.

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 schematic view of the structure of the transverse reinforcing bars, the longitudinal reinforcing bars and the stirrups in the embodiment of the present application;

FIG. 4 is a schematic view illustrating connection between a channel and a grouting hopper in an embodiment of the application;

fig. 5 is a schematic sectional view taken along line B-B in fig. 4.

Reference numerals: 1. pile head; 2. a pile body; 3. grouting a slurry layer; 4. grouting holes; 5. grouting hoppers; 6. transverse reinforcing steel bars; 7. longitudinal reinforcing steel bars; 8. hooping; 9. mounting grooves; 10. channel steel; 11. a bolt; 12. a sliding groove; 13. a clamping groove; 14. a spring; 15. a handle; 16. a guide block; 17. a guide groove; 18. a base plate; 19. and sealing the rubber gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses high strength hammering tubular pile. Referring to fig. 1, high strength hammering tubular pile includes pile head 1 and with pile head 1 welded pile body 2, 2 cavity settings of pile body and both ends all closed settings, and pile body 2 is the drum shape, and the welding of the one end that pile body 2 kept away from pile head 1 has the backing plate 18 that is used for directly bearing the hammering.

Referring to fig. 1 and 2, the cavity fixedly connected with grouting material layer 3 inside pile body 2, grouting material layer 3 adopts the preparation of high-strength non-shrinkage grouting material, and the high-strength non-shrinkage grouting material has high strength and can slightly expand after solidification, can firmly connect pile body 2. And pile body 2 runs through the periphery wall of keeping away from pile head 1 and sets up the grout hole 4 that is used for to the grout of 2 inside cavities of pile body, grout hole 4 and the inside cavity intercommunication of pile body 2, and pile body 2 has grout fill 5 convenient to grout in the drill way department detachable connection of grout hole 4. With this through grout fill 5 and grout hole 4 to the inside grout of pile body 2, and be convenient for grout at the job site, be favorable to alleviateing the transportation quality of tubular pile, wait simultaneously to weld pile head 1 and backing plate 18 respectively with the both ends of pile body 2 after grout material layer 3 forms again.

Refer to fig. 2 and fig. 3, in order to make pile body 2 and grout bed of material 3 atress jointly, 2 internally mounted of pile body has multiunit bar planting spare, the even interval arrangement of axial of pile body 2 is followed to multiunit bar planting spare, bar planting spare includes three intercrossing welded transverse reinforcement 6, and the contained angle between three transverse reinforcement 6 is the same, transverse reinforcement 6 all radially arranges along pile body 2, and transverse reinforcement 6's both ends all weld in the internal perisporium of pile body 2, it wraps up in all transverse reinforcement 6's periphery wall to irritate the bed of material simultaneously. Make through horizontal reinforcing bar 6 that the pouring material layer forms wholly with pile body 2 to promote holistic compressive strength.

Referring to fig. 2 and 3, in order to promote the tensile strength of tubular pile, the welding of pile body 2 has six longitudinal steel bars 7 along its axial, and the both ends of every longitudinal steel bar 7 weld respectively in the both ends of pile body 2, and the periphery wall at every 6 both ends of transverse steel bar welds with the periphery wall of two longitudinal steel bars 7 respectively, and grout layer 3 wraps up in the periphery wall of all longitudinal steel bars 7 to this promotes holistic tensile strength through longitudinal steel bar 7. For further promote tubular pile's tensile strength, six vertical reinforcing bar 7 are overlapped jointly and are equipped with many rings and lie in grouting material layer 3 inside stirrup 8, many rings of stirrup 8 along the even interval arrangement of the axial of pile body 2, and many rings of stirrup 8 and multiunit bar planting spare along the axial staggered arrangement of pile body 2, every circle of stirrup 8 welds in six vertical reinforcing bar 7's periphery wall, make six vertical reinforcing bar 7 form wholly, further promote holistic tensile strength.

Referring to fig. 2 and 4, in order to detachably connect the pile body 2 and the grouting hopper, mounting grooves 9 are axially formed in the two sides of the grouting hole 4 of the pile body 2, the two ends of each mounting groove 9 are closed, channel steel 10 is welded in the two mounting grooves 9 of the pile body 2, and the two sides of the grouting hopper 5 slide in two sliding grooves 12 respectively;

referring to fig. 4 and 5, install a plurality of retaining members that are used for restricting grouting 5 and slide between channel-section steel 10 and the grout fill 5, the retaining member is cylindrical's bolt 11, grout fill 5 runs through along the horizontal direction and sets up the groove 12 that slides with bolt 11 adaptation that slides, bolt 11 slides in sliding along the length direction of groove 12 that slides, and bolt 11 is unanimous with the cross-section circle size of groove 12 inner wall that slides, channel-section steel 10 is seted up along the horizontal direction with the joint groove 13 of 11 joint adaptations of bolt, and the cross-section circle size of bolt 11 and joint groove 13 inner wall is unanimous. After the grout fill 5 slided in channel-section steel 10, align until sliding groove 12 and joint groove 13, order about bolt 11 and slide by sliding groove 12 and get into joint groove 13, can accomplish being connected of channel-section steel 10 and grout fill 5, order about bolt 11 and return completely sliding groove 12, slide out grout fill 5 along channel-section steel 10 again, can accomplish dismantling of channel-section steel 10 and grout fill 5.

Referring to fig. 4 and 5, in order to drive the bolt 11 to reset and clamp, the grouting bucket 5 is provided with an elastic member, the elastic member is a spring 14, one end of the bolt 11, which is far away from the channel steel 10, is coaxially welded with a cylindrical handle 15, the spring 14 is sleeved on the outer peripheral wall of the part of the bolt 11, which is located outside the sliding groove 12, one end of the spring 14 is welded to the handle 15, the other end of the spring 14 is welded to the grouting bucket 5, and the spring 14 is always in a compressed state. When the external force applied to the bolt 11 is removed, the spring 14 drives the end of the bolt 11 to slide into the clamping groove 13 through elastic force; when the tip of bolt 11 slided and gets into joint groove 13, spring 14 supported the tip inner wall in joint groove 13 tightly through elastic force driven bolt 11 for grouting bucket 5 is inseparable with channel-section steel 10 joint.

Referring to fig. 4 and 5, in order to guide the plug pin 11, the grouting hopper 5 is provided with a guide member, the guide member is a guide block 16 fixedly connected to the outer peripheral wall of the plug pin 11, the grouting hopper 5 is provided with a guide groove 17 slidably matched with the guide block 16 on the side wall of the sliding groove 12, the length direction of the guide groove 17 is parallel to the length direction of the sliding groove 12, two ends of the guide groove 17 are closed, and the cross sections of the inner walls of the guide block 16 and the guide groove 17 are both T-shaped and have the same size. The guide block 16 slides along the length direction of the guide slot 17, so that the bolt 11 can only slide along the length direction of the sliding slot 12.

Referring to fig. 4 and 5, in order to reduce grouting material leakage risk, the inner wall of the grouting hopper is connected with a sealing rubber pad 19 through a bolt, and when the two sides of the grouting hopper slide in the channel steel 10, the channel steel 10 and the grouting hopper jointly extrude the sealing rubber pad 19, so that the sealing rubber pad 19 fills the gap between the two, and grouting material leakage risk is reduced.

The implementation principle of this application embodiment a high strength hammering tubular pile does: when pile body 2 and pile head 1 transport to the job site after, earlier along channel-section steel 10's length direction grouting fill 5 slides, align with joint groove 13 until groove 12 slides, spring 14 orders about bolt 11 and slides to in the joint groove 13, realize channel-section steel 10 and grouting fill 5's joint, rethread grouting fill 5 is to the inside grout of pile body 2, until the inside grout bed 3 that forms of pile body 2, and with horizontal reinforcing bar 6, vertical reinforcing bar 7 and stirrup 8 are poured in the inside of grout bed 3, make grout bed 3 and pile body 2 form whole and atress jointly, horizontal reinforcing bar 6 can promote the holistic compressive strength of tubular pile, vertical reinforcing bar 7 and stirrup 8 can promote the holistic tensile strength of tubular pile, with this effect of realization promotion tubular pile intensity, and reducible tubular pile's transportation weight, be favorable to reducing construction cost.

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. The utility model provides a high strength hammering tubular pile which characterized in that: including pile head (1) and with pile head (1) fixed connection's pile body (2), pile body (2) cavity sets up, pile body (2) inside cavity fixedly connected with grout material layer (3), keep away from pile body (2) the periphery wall of pile head (1) runs through set up be used for to grout hole (4) of pile body (2) inside cavity grout, pile body (2) in the detachable connection of drill way department of grout hole (4) is convenient for grout fill (5), pile body (2) inside is provided with the multiunit and is used for making pile body (2) with the bar planting spare of the common atress of grout material layer (3), the multiunit bar planting spare is followed the even interval arrangement of axial of pile body (2).

2. The high strength hammer pipe pile according to claim 1, wherein: the bar planting piece comprises a plurality of transverse steel bars (6) which are connected in an intersecting mode, the transverse steel bars (6) are arranged in the radial direction of the pile body (2), the two ends of the transverse steel bars (6) are fixedly connected to the inner peripheral wall of the pile body (2), and the grouting material layer (3) wraps the outer peripheral wall of the transverse steel bars (6).

3. The high strength hammer pipe pile according to claim 2, wherein: pile body (2) are along its axial fixedly connected with a plurality of longitudinal reinforcement (7), every the periphery wall at horizontal reinforcing bar (6) both ends respectively with two the periphery wall fixed connection of longitudinal reinforcement (7), grout material layer (3) wrap up in the periphery wall of longitudinal reinforcement (7).

4. The high strength hammer pipe pile according to claim 3, wherein: a plurality of longitudinal steel bars (7) are jointly sleeved with a plurality of hooping (8), and the hooping (8) are arranged along the axial direction of the pile body (2) at even intervals.

5. The high strength hammer pipe pile according to claim 1, wherein: pile body (2) in mounting groove (9) have all been seted up along the axial in the both sides of grout hole (4), the both ends closure setting of mounting groove (9), pile body (2) in two equal fixedly connected with channel-section steel (10) in mounting groove (9), the both sides of grout fill (5) slide respectively in two in channel-section steel (10), channel-section steel (10) with be provided with a plurality of restrictions that are used for between grout fill (5) the retaining member that grout fill (5) slided.

6. The high strength hammer pipe pile according to claim 5, wherein: the retaining member is bolt (11), grout fill (5) run through offer with bolt (11) the adaptation that slides groove (12), channel-section steel (10) are seted up in joint groove (13) with bolt (11) joint adaptation, grout fill (5) are provided with and are used for ordering about the elastic component of bolt (11) joint that resets, grout fill (5) be provided with be used for right the guide of bolt (11) direction.

7. The high strength hammer pipe pile according to claim 6, wherein: the elastic piece is a spring (14), one end of the channel steel (10) is fixedly connected with a handle (15) by the bolt (11), the peripheral wall of the bolt (11) is sleeved with the spring (14), one end of the spring (14) is fixedly connected with the handle (15), and the other end of the spring (14) is fixedly connected with the grouting hopper (5).

8. The high strength hammer pipe pile according to claim 6, wherein: the guide piece be fixed connection in guide block (16) of bolt (11) periphery wall, grouting fill (5) in the lateral wall of groove (12) of sliding offer with guide block (16) the guide way (17) of adaptation that slides, the both ends closure of guide way (17) sets up, just guide block (16) with guide way (17) inner wall cross section is the T style of calligraphy.