CN214695700U

CN214695700U - Reinforced hollow square pile

Info

Publication number: CN214695700U
Application number: CN202120423313.3U
Authority: CN
Inventors: 王宏伟
Original assignee: Wuxi Rongliang Construction Development Co ltd
Current assignee: Wuxi Rongliang Construction Development Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-12
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a hollow square pile of enhancement mode, the pile body including the cuboid form, it has cylindric through-hole to open the axle in the middle part of the pile body, be equipped with multichannel horizontally cross rib, multichannel on the lateral wall of pile body the axial evenly distributed of pile body is followed to the cross rib, is equipped with two intercrossing's diagonal rib between two adjacent cross ribs, the tip of diagonal rib and the tip fixed connection of cross rib, the tip of pile body is equipped with coupling assembling, coupling assembling is used for connecting adjacent pile body. This application has the effect that improves bearing capacity.

Description

Reinforced hollow square pile

Technical Field

The application relates to the field of building pile foundations, in particular to an enhanced hollow square pile.

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.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the surface of the hollow square pile is smooth, the friction between the hollow square pile and the soil layer is small, and the bearing capacity of the hollow square pile is weak.

SUMMERY OF THE UTILITY MODEL

In order to improve bearing capacity, the application provides a hollow square pile of enhancement mode.

The application provides a hollow square pile of enhancement mode adopts following technical scheme:

the utility model provides a hollow square pile of enhancement mode, includes the pile body of cuboid form, it has cylindric through-hole to open the axle in the middle part of the pile body, be equipped with multichannel horizontally cross rib, multichannel on the lateral wall of pile body the axial evenly distributed of pile body is followed to the cross rib, is equipped with two intercrossing's diagonal rib between two adjacent cross ribs, the tip of diagonal rib and the tip fixed connection of cross rib, the tip of pile body is equipped with coupling assembling, coupling assembling is used for connecting adjacent pile body.

By adopting the technical scheme, the cross ribs and the inclined ribs enhance the section mechanical property of the pile body, enhance the bending rigidity and increase the compressive bearing capacity; in addition, due to the inclined 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.

Optionally, the transverse rib and the inclined rib protrude out of the pile body.

Through adopting above-mentioned technical scheme, form the recess of indent between horizontal rib and the oblique rib for the surface unevenness of pile body, thereby increase the area of contact of pile body and soil, improve the coefficient of friction of pile body and soil, strengthen the bearing capacity of pile body.

Optionally, the tip of pile body all is equipped with strengthens the seat, coupling assembling connects on strengthening the seat.

By adopting the technical scheme, the reinforced seat increases the wall thickness of the pile body, improves the structural strength and the bearing capacity of the pile body, and is convenient for pile extension and pile feeding.

Optionally, be equipped with the spread groove on the enhancement seat of pile body one end, coupling assembling is including connecting the connecting block on keeping away from the enhancement seat of spread groove, the cooperation is pegged graft with the spread groove on the adjacent pile body to the connecting block.

Through adopting above-mentioned technical scheme, the area of contact of connecting block and spread groove is great, and the stability that pile body and pile body are connected is stronger.

Optionally, the spread groove sets up to square annular, be equipped with the stiffening groove on the lateral wall of spread groove, the stiffening groove is located one side of spread groove through-hole dorsad, the connecting block is square annular platform form, be equipped with the boss on the connecting block, the boss is located one side of connecting block through-hole dorsad, the cooperation of pegging graft of stiffening groove on boss and the adjacent pile body.

By adopting the technical scheme, when the pile body is connected with the pile body, the connecting block at the lower end of the upper pile body is embedded into the connecting groove at the upper end of the lower pile body, and the reinforcing block at the lower end of the upper pile body is embedded into the reinforcing groove at the upper end of the lower pile body; the contact area between the pile body and the pile body is increased, the friction force is increased, and the connection stability is improved.

Optionally, a bolt is connected to the side wall of the reinforcing groove in a threaded manner, and one end of the bolt, which is close to the through hole, is connected to the reinforcing block in a threaded manner.

Through adopting above-mentioned technical scheme, the bolt has improved the joint strength between two pile bodies.

Optionally, the notches of the connecting groove and the reinforcing groove are provided with first chamfers, and the connecting block and the reinforcing block are provided with second chamfers.

Through adopting above-mentioned technical scheme, first chamfer and second chamfer provide the direction for the cooperation between connecting block and spread groove, boss and the reinforcing groove, make the pile body connect smoothly.

Optionally, the reinforcing seat is provided with shear rivets, and the shear rivets are arranged in a central symmetry manner with respect to the axis of the through hole.

By adopting the technical scheme, the shear rivets can share external force with equal magnitude, and the possibility of damage caused by overlarge local stress of the pile body is reduced.

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

1. the cross ribs and the crossed inclined ribs are arranged, so that the mechanical characteristics of the section of the pile body are enhanced, the bending rigidity is enhanced, the compressive bearing capacity is increased, the friction coefficient between the pile body and soil is also improved, and the bearing capacity of the pile body is further enhanced;

2. the reinforcing seat is arranged, so that the wall thickness of the pile body is increased, the structural strength and the bearing capacity of the pile body are improved, and pile splicing and pile feeding are facilitated;

3. and the bolts are arranged, so that the connection strength between the two pile bodies is improved.

Drawings

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

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a connecting block and a reinforcing block in an embodiment of the present application;

fig. 4 is a schematic structural view of a shear rivet in an embodiment of the present application.

Description of reference numerals: 1. a pile body; 11. a cross rib; 12. an oblique rib; 2. a through hole; 3. a reinforcement base; 31. connecting blocks; 311. a reinforcing block; 32. connecting grooves; 321. a reinforcing groove; 33. a first chamfer; 34. a second chamfer; 35. a bolt; 4. and (4) shear rivets.

Detailed Description

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

The embodiment of the application discloses a reinforced hollow square pile.

Referring to fig. 1 and 2, the reinforced hollow square pile comprises a rectangular pile body 1, the pile body 1 is vertically arranged, a through hole 2 is formed in the middle of the top surface of the pile body 1, and the through hole 2 is coaxial with the pile body 1. The lateral wall of the pile body 1 is formed with a plurality of horizontal transverse ribs 11, the transverse ribs 11 are arranged around the circumference of the pile body 1, and the transverse ribs 11 are uniformly arranged along the axial direction of the pile body 1. The inclined ribs 12 are arranged between the adjacent transverse ribs 11, for example, a group of adjacent transverse ribs 11, the inclined ribs 12 are formed in two ways, and the two inclined ribs 12 are arranged in a crossed manner.

Referring to fig. 1, the cross rib 11 and the crossed oblique ribs 12 enhance the section mechanical characteristics of the pile body 1, enhance the bending rigidity and increase the compressive bearing capacity. The transverse ribs 11 and the inclined ribs 12 protrude out of the pile body 1, and concave grooves are formed between the transverse ribs 11 and the inclined ribs 12, so that the surface of the pile body 1 is uneven, 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.

Referring to fig. 1, the end of the pile body 1 is cast with the reinforcement socket 3, and the outer wall of the reinforcement socket 3 is flush with the outer walls of the cross rib 11 and the inclined rib 12. Strengthen seat 3 and increased the wall thickness of pile body 1, improved the structural strength and the bearing capacity of pile body 1, be convenient for pile extension and pile follower.

Referring to fig. 2 and 3, two pile bodies 1 are connected through a reinforcing seat 3, and a connecting assembly is arranged on the reinforcing seat 3. The connecting assembly comprises a connecting block 31 formed on one end of the pile body 1 to strengthen the base 3, a connecting groove 32 is formed on the strengthening base 3 at the other end of the pile body 1, and the connecting block 31 is in splicing fit with the connecting groove 32 on the adjacent pile body 1.

Referring to fig. 2 and 3, in use, the pile body 1 is sunk to a desired depth by using a static pile machine, and then the second pile body 1 is adjusted and placed so that the two pile bodies 1 are coaxially arranged. The connecting block 31 at the lower end of the upper pile body 1 is embedded into the connecting groove 32 at the upper end of the lower pile body 1. The contact area between the connecting block 31 and the connecting groove 32 is large, and the connection stability between the pile body 1 and the pile body 1 is strong.

Referring to fig. 2 and 3, the connecting groove 32 is configured as a square ring groove, and a reinforcing groove 321 is opened on the outer side wall of the connecting groove 32, and the reinforcing groove 321 is located on the side of the connecting groove 32 facing away from the through hole 2. The connecting block 31 is provided with a square ring platform corresponding to the connecting groove 32, and a reinforcing block 311 matched with the reinforcing groove 321 is formed on the outer side wall of the connecting block 31.

Referring to fig. 2 and 3, when the pile 1 is connected to the pile 1, the connecting block 31 at the lower end of the upper pile 1 is fitted into the connecting groove 32 at the upper end of the lower pile 1, and the reinforcing block 311 at the lower end of the upper pile 1 is fitted into the reinforcing groove 321 at the upper end of the lower pile 1. The contact area between the pile body 1 and the pile body 1 is increased, the friction force is increased, and the connection stability is improved.

Referring to fig. 2 and 3, in order to facilitate smooth connection of the pile body 1 by the static pile press, a first chamfer 33 is formed at the notch of the connecting groove 32 and the reinforcing groove 321. Correspondingly, the pins of the connecting block 31 and the reinforcing block 311 are formed with second chamfers 34. The first chamfer 33 and the second chamfer 34 provide a guide for the cooperation between the connection block 31 and the connection groove 32, and the reinforcement block 311 and the reinforcement groove 321.

Referring to fig. 2 and 3, in order to improve the connection strength between two pile bodies 1, bolts 35 are provided on the side wall of the reinforcing seat 3, and one bolt 35 is provided on each of the four side surfaces of the reinforcing seat 3. The bolt 35 is inserted into the reinforcing block 311 through the outer side wall of the reinforcing groove 321, and the bolt 35 is threadedly coupled to the connecting block 31 and the reinforcing block 311.

Referring to fig. 1 and 4, taking a pile body 1 as an example, a shear rivet 4 is embedded in a side surface of a reinforcing seat 3 facing away from the pile body 1, the shear rivet 4 is symmetrically arranged on an end surface of the reinforcing seat 3, and the symmetric center is the central axis of the pile body 1. The shear rivets 4 can share external force with equal magnitude, and the possibility that the pile body 1 is damaged due to overlarge local stress is reduced.

The implementation principle of the reinforced hollow square pile in the embodiment of the application is as follows: when the pile sinking device is used, the pile body 1 is sunk to the expected depth by adopting the static pile machine, and then the second pile body 1 is adjusted and placed, so that the two pile bodies 1 are coaxially arranged. The connecting block 31 at the lower end of the upper pile body 1 is embedded into the connecting groove 32 at the upper end of the lower pile body 1, and the reinforcing block 311 at the lower end of the upper pile body 1 is embedded into the reinforcing groove 321 at the upper end of the lower pile body 1. The contact area between the pile body 1 and the pile body 1 is increased, the friction force is increased, and the connection stability is improved. The cross rib 11 and the inclined rib 12 enhance the section mechanical property of the pile body 1, enhance the bending rigidity and increase the pressure-resistant bearing capacity. The transverse ribs 11 and the inclined ribs 12 protrude out of the pile body 1, and concave grooves are formed between the transverse ribs 11 and the inclined ribs 12, so that the surface of the pile body 1 is uneven, 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.

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 hollow square pile of enhancement mode, includes pile body (1) of cuboid form, coaxial cylindric through-hole (2) have been opened in pile body (1) middle part, its characterized in that: be equipped with multichannel horizontally cross rib (11), multichannel on the lateral wall of pile body (1) axial evenly distributed along pile body (1) is equipped with two intercrossing's oblique rib (12) between two adjacent cross rib (11), the tip of oblique rib (12) and the tip fixed connection of cross rib (11), the tip of pile body (1) is equipped with coupling assembling, coupling assembling is used for connecting adjacent pile body (1).

2. The reinforced hollow square pile of claim 1, wherein: the transverse ribs (11) and the inclined ribs (12) protrude out of the pile body (1).

3. The reinforced hollow square pile of claim 1, wherein: the tip of pile body (1) all is equipped with strengthens seat (3), coupling assembling connects on strengthening seat (3).

4. The reinforced hollow square pile of claim 3, wherein: be equipped with spread groove (32) on strengthening seat (3) of pile body (1) one end, coupling assembling is including connecting block (31) on strengthening seat (3) of keeping away from spread groove (32), the cooperation is pegged graft with spread groove (32) on adjacent pile body (1) in connecting block (31).

5. The reinforced hollow square pile of claim 4, wherein: the utility model discloses a pile structure, including connecting groove (32), reinforcing groove (321), connecting block (31), reinforcing groove (321), connecting groove (32) are connected in series, connecting groove (32) set up to square annular groove, be equipped with reinforcing groove (321) on the lateral wall of connecting groove (32), reinforcing groove (321) are located connecting groove (32) one side of through-hole (2) dorsad, connecting block (31) are square annular platform form, be equipped with boss (311) on connecting block (31), boss (311) are located one side of connecting block (31) through-hole (2) dorsad, reinforcing groove (321) grafting cooperation on boss (311) and the adjacent pile body (1).

6. The reinforced hollow square pile of claim 5, wherein: the side wall of the reinforcing groove (321) is in threaded connection with a bolt (35), and one end, close to the through hole (2), of the bolt (35) is in threaded connection with the reinforcing block (311).

7. The reinforced hollow square pile of claim 5, wherein: the notch department of connecting groove (32) and reinforcing groove (321) is equipped with first chamfer (33), connecting block (31) and reinforcing block (311) are equipped with second chamfer (34).

8. The reinforced hollow square pile of claim 3, wherein: the shear rivets (4) are arranged on the reinforcing seat (3), and the shear rivets (4) are arranged in a manner of being centrosymmetric with respect to the axis of the through hole (2).