CN220888625U

CN220888625U - Combined pile for building foundation engineering

Info

Publication number: CN220888625U
Application number: CN202321909243.8U
Authority: CN
Inventors: 周棉灿; 姚泽锋; 郑狄桂
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-05-03
Anticipated expiration: 2033-07-19

Abstract

The application relates to the field of constructional engineering, in particular to a combined pile for constructional foundation engineering, which comprises an upper pile body, a lower pile body and a fixing assembly, wherein the bottom of the upper pile body is connected to the top of the lower pile body, the fixing assembly is connected to the joint of the upper pile body and the lower pile body, a plurality of clamping blocks are arranged at the bottom of the upper pile body in an extending manner, each clamping block is uniformly distributed around the circumferential direction of the upper pile body, a plurality of first fixing grooves are formed in the fixing assembly, a plurality of second fixing grooves are formed in the top of the lower pile body, and the clamping blocks are embedded in the first fixing grooves and the second fixing grooves.

Description

Combined pile for building foundation engineering

Technical Field

The application relates to the field of constructional engineering, in particular to a combined pile for constructional foundation engineering.

Background

The building combined pile is a common foundation engineering technology for enhancing the bearing capacity and stability of soil, and is a composite structure formed by combining a plurality of single piles, and the materials of the building combined pile comprise wood piles, reinforced concrete piles, steel pipe piles and the like, wherein the reinforced concrete piles are usually in the form of precast piles or cast-in-place piles, and the bearing capacity is provided by the strength of concrete and the reinforcement of steel bars; the steel pipe pile is made of steel pipes and can be used for increasing the length and bearing capacity of the pile; the wooden piles are suitable for stratum below the groundwater level by using natural log as the pile material, and can resist the corrosion of fungi under the condition to maintain the durability.

In the construction process, because the foundation of the pile is deeper, a plurality of sections of piles are connected and combined to a required length and then are installed in a pile hole in the ground; for the building combined pile of reinforced concrete piles and steel pipe piles, a plurality of sections of piles are welded firstly, and the welded reinforced concrete piles, steel pipe piles and other piles are installed underground in a drilling or piling mode. However, the connection mode of the welded pile has some problems, firstly, the construction quality is greatly affected by the technical level of constructors, the constructors generally carry out manual welding on two sections of piles on a construction site, the accuracy of the manual welding is difficult to ensure consistency, and certain included angles can appear after the two sections of piles are connected, namely, the two sections of piles are not connected in a straight line; secondly, even if manual welding or mechanical welding is adopted, the diameter of the building pile is generally larger, the time required for welding the pile is longer, and the pile needs to be cooled to a welding position for connection molding after welding, so that the welding and the construction progress are influenced.

Disclosure of utility model

In order to improve the connection stability and the installation convenience of the combined pile, the application provides the combined pile for the building foundation engineering.

The application provides a combined pile for building foundation engineering, which adopts the following technical scheme:

The utility model provides a composite pile that building foundation engineering used, includes pile body, lower pile body and fixed subassembly, the bottom of going up the pile body is connected in the top of lower pile body, fixed subassembly connects in the junction of last pile body and lower pile body, the bottom extension of going up the pile body is provided with a plurality of fixture block, every the fixture block is around last pile body circumferencial direction evenly distributed, the inside of fixed subassembly has been seted up a plurality of first fixed slot, a plurality of second fixed slot has been seted up at the top of lower pile body, the fixture block gomphosis in first fixed slot and second fixed slot.

At present, the length of a pile for a building is generally up to several meters or more than ten meters, after a plurality of sections of reinforced concrete piles and steel pipe piles are welded and cooled in a welding mode, the length of a combined pile formed by connection can be up to several tens meters, when a building with a higher building height is constructed, the required building pile is longer, so that the foundation stability of the building is ensured, but when the welded and molded tens of meters of combined pile is installed in an underground pile hole, the difficulty of lifting and installing the welded and molded tens of meters of combined pile is higher due to the longer length after welding, and the construction difficulty of the building is increased.

Therefore, the fixing assembly is adopted, after part of the lower pile body is lowered to the pile hole, part of the lower pile body is exposed out of the ground, at the moment, the fixing assembly is adopted to stably connect the lower pile body with the upper pile body, and then the lower pile body is continuously lowered, so that the combined pile edge is lowered and connected, the pile body connection efficiency and the building construction efficiency are improved, all pile sections are not required to be connected to tens of meters and then are installed in the pile hole, and the difficulty in lifting and installing the combined pile with long length to the pile hole is reduced.

Specifically, through adopting above-mentioned technical scheme, can increase the stability of whole composite pile, improve bearing capacity and anti side force ability, fixture block circumference direction evenly distributed about last pile body, can disperse the load effectively, reduce the stress concentration of pile body, improve bearing capacity and shock resistance of stake, fixed subassembly connects in the junction of last pile body and lower pile body, the fixture block gomphosis is in first fixed slot and second fixed slot, play the effect of reinforcing structural strength, guarantee the overall stability of composite pile, fixed subassembly connects in the junction of last pile body and lower pile body, the installation stability of composite pile has been improved, reduce the influence of human factor.

Optionally, a first clamping groove is formed in the top of the fixing component, the bottom of the upper pile body is embedded in the first clamping groove, and the first fixing groove is formed in the inner wall of the first clamping groove.

Through adopting above-mentioned technical scheme, go up the bottom gomphosis of pile body in first card establishes the inslot for go up and formed firm connection between pile body and the fixed subassembly, can increase the bulk strength and the stability of pile body, thereby improve the bearing capacity of pile body.

Optionally, the top fixedly connected with gomphosis piece of lower pile body, the second fixed slot is seted up in the top of gomphosis piece, the second card of fixed subassembly is established the groove in the bottom, the groove is established with first card to the second card, gomphosis piece gomphosis in the groove is established to the second card.

Through adopting above-mentioned technical scheme, the gomphosis piece gomphosis has formed rigid connection in the second card establishes the inslot, lower pile body and fixed subassembly, can ensure the firm in connection of lower pile body, prevents that lower pile body from taking place not hard up or displacement, plays the effect that increases the whole rigidity of composite pile, this helps reducing the deformation and the subsidence of composite pile when bearing the load, improves the stability and the bearing capacity of composite pile.

Optionally, the fixture block includes a first engaging portion and a second engaging portion, where the first engaging portion is engaged with the first fixing groove, and the second engaging portion is engaged with the second fixing groove.

Through adopting above-mentioned technical scheme, first gomphosis portion gomphosis in first fixed slot, strengthen fixture block and with fixed subassembly's connection stability, second gomphosis portion gomphosis in second fixed slot, strengthen the connection stability of fixture block and lower pile body, first gomphosis portion and second gomphosis portion increase the anti side force ability of pile body effectively for the pile body can resist deformation and slope better when receiving the side load.

Optionally, the longitudinal section of the clamping block is diamond-shaped.

Through adopting above-mentioned technical scheme, the cross-section can provide bigger area of contact and tie point for the fixture block is firm more with fixed subassembly, down being connected between the pile body, simultaneously, the fixture block of diamond-shaped cross-section can provide bigger shearing area, makes the pile body resist the shearing better when receiving the shearing force and destroys, increases the bearing capacity of pile body.

Optionally, the fixed subassembly includes first fixed block, second fixed block and third fixed block, the second fixed block is connected with the third fixed block, the both ends portion lateral wall of first fixed block all is provided with a plurality of card and establishes the groove, the second fixed block is close to the one end of first fixed block the one end that the third fixed block is close to first fixed block all is provided with a plurality of card and establishes the piece, every the card establish the piece gomphosis in the card is established the inslot.

Through adopting above-mentioned technical scheme, the block gomphosis is established in the card and is established the groove for second fixed block and third fixed block can stabilize the card and locate first fixed block, connect fixed subassembly in the seam crossing of composite pile steadily, simultaneously, the connected mode of gomphosis has improved the installation convenience degree, can install the composite pile more swiftly, saves the engineering time cost.

Optionally, the one end that the block was established to the card is kept away from to the second fixed block with the one end that the block was established to the third fixed block is kept away from the card is articulated through the hinge.

Through adopting above-mentioned technical scheme, strengthened the connection stability of second fixed block and third fixed block, when the installation, can conveniently with second fixed block and third fixed block lock in the outside of combination stake.

Optionally, the block is established to the card and is seted up first bolt hole, the second bolt hole has been seted up to the cell wall in the corresponding card of third fixed block establishing the groove, and external bolt passes first bolt hole and second bolt hole.

Through adopting above-mentioned technical scheme, external bolt passes first bolt hole and second bolt hole, can establish the piece with the card and establish groove zonulae occludens together, improves the connection stability of first fixed block and third fixed block, improves the connection stability of second fixed block and third fixed block, plays the effect that increases fixed subassembly joint strength, prevents that the pile body from taking place displacement or becoming flexible when bearing the load.

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

1. The stability of the whole combined pile can be improved, the bearing capacity and the lateral force resistance are improved, the clamping blocks are uniformly distributed around the circumferential direction of the upper pile body, the load can be effectively dispersed, the stress concentration of the pile body is reduced, the bearing capacity and the anti-seismic performance of the pile are improved, the fixing component is connected to the joint of the upper pile body and the lower pile body, the clamping blocks are embedded in the first fixing groove and the second fixing groove, the effect of enhancing the structural strength is achieved, the overall stability of the combined pile is ensured, the fixing component is connected to the joint of the upper pile body and the lower pile body, the installation stability of the combined pile is improved, and the influence of human factors is reduced;

2. The embedded block is embedded in the second clamping groove, the lower pile body and the fixing component form rigid connection, so that firm connection of the lower pile body can be ensured, loosening or displacement of the lower pile body is prevented, the integral rigidity of the combined pile is increased, deformation and settlement of the combined pile are reduced when the combined pile bears load, and the stability and bearing capacity of the combined pile are improved;

3. The block gomphosis is established in the card and is established the groove for first fixed block can be located to second fixed block and third fixed block stable card, will fix the subassembly and connect in the seam crossing of composite pile steadily, simultaneously, the connected mode of gomphosis has improved the installation convenience, can install the composite pile more swiftly, saves the engineering time cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the composite pile of the present application.

Fig. 2 is an exploded cross-sectional view of the composite pile of the present application.

Fig. 3 is an exploded view of the securing assembly.

Reference numerals illustrate: 1. a pile body is arranged; 12. a clamping block; 121. a first fitting portion; 122. a second fitting portion; 2. a lower pile body; 21. a second fixing groove; 22. a fitting block; 3. a fixing assembly; 31. a first fixing groove; 32. a first clamping groove; 33. a second clamping groove; 4. a first fixed block; 41. a clamping groove is formed; 5. a second fixed block; 6. a third fixed block; 7. a block is clamped; 8. a first bolt hole; 9. a second bolt hole; 100. a bolt; 200. a hinge; 201. a first hinge; 202. and a second hinge.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a combined pile for building foundation engineering. Referring to fig. 1, a composite pile for construction foundation engineering includes an upper pile body 1, a lower pile body 2 and a fixing assembly 3, wherein the bottom of the upper pile body 1 is connected to the top of the lower pile body 2, and the fixing assembly 3 is connected to the junction of the upper pile body 1 and the lower pile body 2.

Referring to fig. 2, a first clamping groove 32 is formed in the top of the fixing component 3, a second clamping groove 33 is formed in the bottom of the fixing component 3, the first clamping groove 32 is communicated with the second clamping groove 33, the bottom of the upper pile body 1 is embedded in the first clamping groove 32, an embedded block 22 is fixedly connected to the top of the lower pile body 2, and the embedded block 22 is embedded in the second clamping groove 33.

Further, the inner wall of the first clamping groove 32 is preferably provided with three first fixing grooves 31, the top of the embedded block 22 is preferably provided with three second fixing grooves 21, the bottom of the upper pile body 1 is preferably provided with three clamping blocks 12 in an extending mode, each clamping block 12 is uniformly distributed around the circumferential direction of the upper pile body 1, the longitudinal section of each clamping block 12 is diamond, the side edge of one sharp edge of the diamond-shaped clamping blocks 12 is connected with the outer side of the upper pile body 1, each clamping block 12 comprises a first embedded part 121 and a second embedded part 122, the first embedded part 121 is correspondingly arranged at the top of each clamping block 12, the second embedded part 122 is correspondingly arranged at the bottom of each clamping block 12, the first embedded part 121 is embedded in the first fixing groove 31, and the second embedded part 122 is embedded in the second fixing groove 21.

Referring to fig. 3, the fixing assembly 3 includes a first fixing block 4, a second fixing block 5 and a third fixing block 6, the inner side walls of the first fixing block 4, the second fixing block 5 and the third fixing block 6 are respectively provided with a first fixing groove 31, preferably, the outer side walls of the two end parts of the first fixing block 4 are respectively provided with a clamping groove 41, one end of the second fixing block 5 is provided with a clamping block 7, one end of the third fixing block 6 is also provided with a clamping block 7, the clamping block 7 is embedded in the clamping groove 41, one end of the second fixing block 5 far from the clamping block 7 is hinged with one end of the third fixing block 6 far from the clamping block 7, specifically, the hinge 200 can be hinged through a hinge piece 200, the hinge piece 200 includes a first hinge 201 and a second hinge 202, the first hinge 201 is hinged with the second hinge 202, the first hinge 201 is arranged on the outer side wall of the second fixing block 5 or embedded in the second fixing block 5, and the second hinge 202 is arranged on the outer side wall of the third fixing block 6 or embedded in the third fixing block 6; the clamping block 7 is provided with a first bolt hole 8, the first fixing block 4 is provided with a second bolt hole 9 corresponding to the groove wall of the clamping groove 41, preferably, the first bolt hole 8 and the second bolt hole 9 are provided along the same horizontal line, and the external bolt 100 passes through the first bolt hole 8 and the second bolt hole 9.

The implementation principle of the combined pile for the building foundation engineering provided by the embodiment of the application is as follows: when the combined pile is installed, the lower pile body 2 is installed firstly, the lower pile body 2 is fixed to a pile hole reserved in construction, the upper portion of the lower pile body 2 is exposed out of the ground, then the clamping blocks 12 of the upper pile body 1 are aligned with the second fixing grooves 21 of the lower pile body 2, then the upper pile body 1 is installed and clamped at the top of the lower pile body 2, the first fixing block 4 is taken out, any one clamping block 12 of the upper pile body 1 is aligned with the first fixing groove 31 of the first fixing block 4, then the first fixing block 4 is buckled at the joint of the upper pile body 1 and the lower pile body 2, the first fixing grooves 31 of the second fixing block 5 and the third fixing block 6 which are hinged are aligned with the other two clamping blocks 12, the clamping blocks 7 are embedded in the clamping grooves 41 of the first fixing block 4, the external bolts 100 penetrate through the first bolt holes 8 and the second bolt holes 9, and the third fixing blocks 6 and the first fixing block 4 are fixedly connected, and then the connection of the upper pile body 1 and the lower pile body 2 is completed.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a composite pile that building foundation engineering used which characterized in that: including last pile body (1), lower pile body (2) and fixed subassembly (3), the bottom of going up pile body (1) is connected in the top of lower pile body (2), fixed subassembly (3) are connected in the junction of last pile body (1) and lower pile body (2), the bottom extension of going up pile body (1) is provided with a plurality of fixture block (12), every fixture block (12) are around last pile body (1) circumferencial direction evenly distributed, a plurality of first fixed slot (31) have been seted up to the inside of fixed subassembly (3), a plurality of second fixed slot (21) have been seted up at the top of lower pile body (2), fixture block (12) gomphosis in first fixed slot (31) and second fixed slot (21).

2. A composite pile for use in building foundation engineering according to claim 1, wherein: the top of the fixing component (3) is provided with a first clamping groove (32), the bottom of the upper pile body (1) is embedded in the first clamping groove (32), and the first fixing groove (31) is formed in the inner wall of the first clamping groove (32).

3. A composite pile for use in building foundation engineering according to claim 2, wherein: the top fixedly connected with gomphosis piece (22) of lower pile body (2), second fixed slot (21) set up in the top of gomphosis piece (22), second card is established groove (33) have been seted up to the bottom of fixed subassembly (3), second card is established groove (33) and is established groove (32) intercommunication with first card, gomphosis piece (22) gomphosis in second card is established groove (33).

4. A composite pile for use in building foundation engineering according to claim 1, wherein: the clamping block (12) comprises a first jogged part (121) and a second jogged part (122), wherein the first jogged part (121) is jogged with the first fixed groove (31), and the second jogged part (122) is jogged with the second fixed groove (21).

5. A composite pile for use in building foundation engineering according to claim 4, wherein: the longitudinal section of the clamping block (12) is diamond-shaped.

6. A composite pile for use in building foundation engineering according to claim 1, wherein: the fixing assembly (3) comprises a first fixing block (4), a second fixing block (5) and a third fixing block (6), the second fixing block (5) is connected with the third fixing block (6), a plurality of clamping grooves (41) are formed in the outer side walls of two ends of the first fixing block (4), one end, close to the first fixing block (4), of the second fixing block (5) and one end, close to the first fixing block (4), of the third fixing block (6) are provided with a plurality of clamping blocks (7), and each clamping block (7) is embedded in the corresponding clamping groove (41).

7. A composite pile for use in building foundation engineering according to claim 6, wherein: one end of the second fixed block (5) far away from the clamping block (7) is hinged with one end of the third fixed block (6) far away from the clamping block (7) through a hinge piece (200).

8. A composite pile for use in building foundation engineering according to claim 6, wherein: the clamping block (7) is provided with a first bolt hole (8), the first fixing block (4) is provided with a second bolt hole (9) corresponding to the groove wall of the clamping groove (41), and an external bolt (100) penetrates through the first bolt hole (8) and the second bolt hole (9).