CN216586637U

CN216586637U - Soft soil foundation composite pile foundation

Info

Publication number: CN216586637U
Application number: CN202123301458.5U
Authority: CN
Inventors: 郭立; 郑箜琳; 李尚君; 史培军; 龚计宽; 王宇豪; 刘明雷
Original assignee: Zhejiang Yinchen Construction Co ltd
Current assignee: Zhejiang Yinchen Construction Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-24
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a soft soil foundation composite pile foundation, including the carrier pile, the carrier pile is cylindricly, the vertical ground of burying of carrier pile, the coaxial mounting groove of having seted up of carrier pile one end, the carrier pile is kept away from the one end of installation tank bottom is on a parallel with ground, be provided with the steel reinforcement cage in the mounting groove, the carrier pile upside is provided with the base station, the base station is the ring form, the base station is located subaerial upper end, the base station with be provided with many wire rope between the carrier pile, many wire rope follows carrier pile lateral wall circumference evenly sets up, wire rope one end is connected the lateral wall of carrier pile, the wire rope other end is connected the base station is close to the one end of carrier pile. This application has the effect that improves the anti settlement of bearing pile.

Description

Soft soil foundation composite pile foundation

Technical Field

The utility model belongs to the technical field of the ground technique and specifically relates to a soft soil foundation composite pile foundation is related to.

Background

Coastal provinces such as coastal facies alluvial plain landforms in China are more, so that soft soil foundations are common, a plurality of transformer substation projects are distributed in soft soil layer areas, the soil quality of the foundations in the areas generally has the characteristics of high water content, high compressibility, poor permeability, high sensitivity, low strength, uneven thickness and the like, and the soft soil foundations generally need foundation treatment.

In the prior art, a soft soil foundation composite pile foundation includes a bearing pile extending in the up-down direction, a connecting rib plate extending in the inside-outside direction, and an auxiliary pipe extending in the up-down direction, wherein the inner end of the connecting rib plate is fixedly connected with the bearing pile, and the outer end of the connecting rib plate is fixedly connected with the auxiliary pipe.

In view of the above-mentioned related art, the inventor believes that soft ground is soft in geology, and the bearing pile is poor in stability and easy to sink when being driven.

SUMMERY OF THE UTILITY MODEL

In order to improve the anti effect of subsiding of bearing pile, this application provides a soft soil foundation composite pile foundation.

The application provides a soft soil foundation composite pile foundation adopts following technical scheme:

the utility model provides a compound pile foundation of weak soil foundation, includes the bearing pile, the bearing pile is cylindricly, the vertical ground that buries of bearing pile, the coaxial mounting groove of having seted up of bearing pile one end, the bearing pile is kept away from the one end of installation tank bottom is on a parallel with ground, be provided with the steel reinforcement cage in the mounting groove, the bearing pile upside is provided with the base station, the base station is the ring form, the base station is located subaerial upper end, the base station with be provided with many wire rope between the bearing pile, many wire rope follows bearing pile lateral wall circumference evenly sets up, wire rope one end is connected the lateral wall of bearing pile, the wire rope other end is connected the base station is close to the one end of bearing pile.

Through adopting above-mentioned technical scheme, can probably lead to the bearing pile to sink because soft ground geology is comparatively soft when bearing pile is driven into soft ground. This scheme is through setting up the base station, and the base station is connected through many wire rope between the stake, because the base station is located subaerial upper end, and the base station has the effect of pulling to the stake of bearing, reduces the sunken probability of stake of bearing, improves the anti effect of subsiding of bearing.

Optionally, the steel wire rope is connected to the middle of the side wall of the bearing pile.

By adopting the technical scheme, the steel wire rope is fixed on the upper part or the lower part of the side wall of the bearing pile, so that the lifting force borne by the other end of the bearing pile is not uniform, and the bearing pile is deviated. This scheme is through being fixed in bearing pile middle part with wire rope for bearing pile upper portion or lower part atress are even, reduce the probability that bearing pile inclines.

Optionally, the bearing pile lateral wall rotates and is provided with the rotor plate, the rotor plate is located the bearing pile is kept away from the one end of base station, rotor plate and base station are connected through connecting the rope, connect rope one end and connect the rope other end and connect in the base station inside wall.

By adopting the technical scheme, when the bearing pile is completely inserted into the ground, the connecting rope can be lifted, the connecting rope lifts the connecting plate, the connecting plate rotates along the rotating axis, the connecting plate protrudes out of the axis of the bearing pile, the connecting plate can limit the bearing pile, and the sinking probability of the bearing pile is reduced.

Optionally, the bearing pile is uniformly provided with a plurality of through holes in the circumferential direction of the side wall of the mounting groove, and the through holes penetrate through the outer side wall of the bearing pile and are opposite to the rotating plate.

Through adopting above-mentioned technical scheme, when carrying and drawing the connection rope, partial earth may be stirred to the rotor plate for appear some gaps between rotor plate and the bearing pile, lead to bearing pile's fixed unstability. According to the scheme, the through holes are formed, when concrete is poured, the concrete can flow out from the through holes, gaps between the rotating plate and the bearing piles are filled, and the bearing piles are fixed more stably.

Optionally, a connecting plate is vertically arranged at one end of the rotating plate, which is far away from the rotating axis, and a splicing groove for inserting the connecting plate is formed in the side wall of the bearing pile.

By adopting the technical scheme, the rotating plate is rotatably arranged on the side wall of the bearing pile, so that the bearing pile can be rotated outwards when being driven into the soil surface, and the bearing pile is not well inserted into the ground. This scheme is through setting up the connecting plate, and the rotor plate rotates to and is the bearing pile lateral wall at the same time, and the connecting plate inlays to be located the inserting groove, and the connecting plate is flat with bearing pile bottom wall subsides, and the probability that the rotor plate turned out when reducing bearing pile and inserting ground has made things convenient for the insertion of bearing pile, and the connecting plate has increased the area of contact with the soil layer, reduces the sunken probability of bearing pile.

Optionally, a plurality of spliced eyes have evenly been seted up to bearing pile lateral wall circumference, the grafting that slides in the spliced eye has spacing post, the mounting groove lateral wall slides and pegs graft and has the heart stake, the steel reinforcement cage is located the heart stake inside wall, a plurality of connecting holes have evenly been seted up to heart stake lateral wall circumference, the connecting hole with the through-hole communicates each other, spacing post is close to the one end of heart stake is provided with the spigot surface that is the slope form, the heart stake is close to the one end of mounting groove tank bottom is provided with the guide face, the guide face with the spigot surface is parallel to each other.

Through adopting above-mentioned technical scheme, when the main core stake was aimed at the installation notch and is inserted, guide face on the main core stake along with the main core stake slide and the butt to the guide face of spacing post on, because guide face and guide face are parallel to each other, spacing post receives the spacing one end roll-off that can only be to keeping away from the main core stake under the spliced eye to in inserting the soil horizon, make the fixed of bearing the stake more stable, reduce the probability that bearing the stake sinks or squints.

Optionally, one end of the limiting column, which is far away from the main core pile, is provided with a ground breaking point in a pointed cone shape.

By adopting the technical scheme, the limiting column is cylindrical, so that the limiting column is inconvenient to break into soil layers. According to the scheme, the soil breaking tip is arranged and is in a taper shape, so that the limiting column can be conveniently inserted into the soil layer.

Optionally, the side wall of the limiting column is provided with a limiting block, the side wall of the insertion hole is provided with a limiting groove for the limiting block to insert, and the limiting groove is axially arranged along the insertion hole.

Through adopting above-mentioned technical scheme, because spacing post is cylindricly, probably at spacing inslot rotation, lead to the spigot surface not well to aim at the king-pile direction of inserting. This scheme has restricted spacing post along spacing groove axial rotation through setting up the spacing groove for the guide surface is accurate main core stake direction of inserting, has made things convenient for the fixed of spacing post.

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

1. according to the soft soil foundation composite pile foundation, the anti-settling effect of the bearing pile is improved by arranging the base platform and the steel wire rope;

2. according to the soft soil foundation composite pile foundation, the rotating plate and the connecting plate are arranged, so that the contact area with a soil layer is increased, and the sinking probability of the bearing pile is reduced;

3. a soft soil foundation composite pile foundation reduces the probability that a bearing pile sinks or deflects through setting up spacing post.

Drawings

Fig. 1 is a schematic structural diagram of a soft soil foundation composite pile foundation.

Fig. 2 is a second view structural diagram of a soft soil foundation composite pile foundation.

Fig. 3 is a sectional view of a soft soil foundation composite pile foundation.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals:

1. a base station; 11. mounting grooves; 111. a through hole; 12. a rotating groove; 13. inserting grooves; 14. inserting holes; 141. a limiting groove; 2. carrying piles; 21. a ground nail; 22. a bolt; 3. a wire rope; 4. a rotating member; 41. a rotating plate; 42. a connecting plate; 5. a main core pile; 51. connecting holes; 52. a guide surface; 6. a reinforcement cage; 7. a limiting column; 71. breaking soil tips; 73. a guide surface; 72. a limiting block; 8. and connecting ropes.

Detailed Description

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

The embodiment of the application discloses soft soil foundation composite pile foundation.

Referring to fig. 1, a soft soil foundation composite pile foundation includes base station 1 and bearing pile 2, base station 1 is the ring form and is fixed in subaerial upper end through ground nail 21, bearing pile 2 is cylindricly, bearing pile 2 is close to the one end of base station 1 and has seted up mounting groove 11, bearing pile 2 is vertical bury ground and coaxial being located base station 1 downside, connect through wire rope 3 between base station 1 and the bearing pile 2, wire rope 3 is including many and evenly set up along 2 lateral walls axial of bearing pile, 3 one end of wire rope are connected in 2 lateral walls middle parts of bearing pile, the 3 other end of wire rope is connected in the one end that base station 1 is close to bearing pile 2. The base station 1 lifts the bearing pile 2 through a plurality of steel wire ropes 3, so that the sinking probability of the bearing pile 2 is reduced.

Referring to fig. 2, the side wall of the pile carrier 2 is circumferentially provided with a plurality of rotating members 4, each rotating member 4 includes a rotating plate 41 and a connecting plate 42, the side wall of the pile carrier 2 is provided with a rotating groove 12 for the rotating plate 41 to be embedded in, the rotating groove 12 penetrates through the end of the pile carrier 2 far away from the base platform 1, and the rotating plate 41 is rotatably connected to the side wall of the rotating groove 12 through a rotating shaft. The connecting plate 42 is integrally and vertically arranged at one end of the rotating plate 41 far away from the rotating axis, the connecting plate 42 is arranged close to the side wall of the bearing pile 2 towards the rotating plate 41, the bottom surface of the bearing pile 2 is provided with an insertion groove 13 for inserting the connecting plate 42, the bearing pile 2 is uniformly provided with a plurality of through holes 111 on the side wall of the mounting groove 11, and the through holes 111 penetrate through the side wall of the bearing pile 2 and are opposite to the rotating plate 41.

Rotate between 4 and the base station 1 and connect through connecting rope 8, base station 1 inside wall is provided with a plurality of bolts 22, and bolt 22 pole part threaded connection is in base station 1 inside wall, connects 8 one end of rope and connects in the rotor plate 41 lateral wall, connects 8 other ends of rope winding connection in bolt 22 pole part.

When the bearing pile 2 is completely embedded into the ground, the connecting rope 8 can be lifted, the rotating plate 41 can rotate along the rotating axis, the redundant connecting rope 8 can be wound on the rod part of the bolt 22, the rotating plate 41 is rotated out of the side wall of the bearing pile 2, the connecting plate 42 can increase the contact area with the ground, and the sinking probability of the bearing pile 2 is reduced. When the concrete pours into mounting groove 11, the concrete can be followed through-hole 111 and flowed, fills the space between rotation piece 4 and the bearing pile 2, makes the fixed of bearing pile 2 more stable.

Referring to fig. 3 and 4, the coaxial grafting that slides of 11 lateral walls of mounting groove has main core stake 5, and main core stake 5 is hollow circular cylinder, and a plurality of connecting holes 51 have been seted up to the 11 lateral walls of 5 lateral walls butt mounting grooves of main core stake, 5 inside walls of main core stake, and connecting hole 51 and through-hole 111 communicate each other, and 5 inside walls coaxial arrangement of main core stake have steel reinforcement cage 6. A plurality of inserting holes 14 are axially and uniformly formed in the side wall of the bearing pile 2, a limiting column 7 is inserted in the inserting holes 14 in a sliding mode, one end, close to the main core pile 5, of the limiting column 7 is provided with an inclined guide surface 73, one end, close to the bottom of the mounting groove 11, of the main core pile 5 is provided with an inclined guide surface 52, the guide surface 52 is gradually inclined towards the axis of the main core pile 5 from the side wall of the main core pile 5, and the guide surface 73 and the guide surface 52 are parallel to each other.

When the main core pile 5 is inserted into the mounting groove 11, the guide surface 52 on the main core pile 5 is abutted to the guide surface 73 of the limiting column 7 along with the sliding of the main core pile 5, the limiting column 7 is extruded by the gravity of the main core pile 5 and can only slide towards the direction far away from the main core pile 5 by the limiting of the inserting hole 14, the limiting column 7 penetrates out of the inserting hole 14 and penetrates into the soil layer, the limiting column 7 limits the bearing pile 2, and the probability of sinking or offsetting the bearing pile 2 is reduced.

Referring to fig. 4, one end of the limiting column 7, which is far away from the main core pile 5, is integrally and coaxially provided with a sharp-cone-shaped ground breaking tip 71, the ground breaking tip 71 gradually inclines from the side wall of the limiting column 7 to the limiting column 7, and the ground breaking tip 71 reduces the contact area between one end of the limiting column 7, which is far away from the main core pile 5, and a soil layer, so that the limiting column 7 can be more conveniently inserted into the soil layer.

At least one limiting block 72 is axially and integrally arranged on the side wall of the limiting column 7, and a limiting groove 141 for sliding and inserting the limiting block 72 is formed in the side wall of the inserting hole 14. The limiting block 72 limits the limiting column 7 to axially rotate along the axis of the inserting hole 14, the guide surface 73 of the limiting block 72 is parallel to the guide surface 52, on the other hand, the limiting block 72 can abut against the bottom of the limiting groove 141 when sliding along with the limiting column 7, the limiting column 7 is limited, the limiting column 7 cannot completely slide out of the through hole 111, one part of the limiting column 7 is located in the through hole 111, the other part of the limiting column 7 is located in a soil layer, the fixing of the bearing pile 2 is more stable, and the probability that the bearing pile 2 sinks or shifts is reduced.

Preferably, in this embodiment, the two limiting blocks 72 are preferably provided, and a connecting line between the two limiting blocks 72 passes through the axis of the limiting column 7. When the limiting blocks 72 are arranged into two blocks, the sliding of the limiting columns 7 in the limiting grooves 141 is more stable, when the limiting blocks 72 are extruded by the main core piles 5 and abut against the bottoms of the limiting grooves 141, the stress of the two limiting blocks 72 is even, and the risk that the limiting blocks 72 are broken due to uneven stress can be reduced. When one limiting block 72 is extruded and broken, the other limiting block 72 can still limit the limiting column 7, so that the limiting column 7 cannot be completely separated from the through hole 111, and the bearing pile 2 is more stably fixed.

The implementation principle of the soft soil foundation composite pile foundation of the embodiment of the application is as follows: when needing to install soft soil foundation composite pile foundation, bury earlier bearing pile 2 ground, be fixed in the ground upper end through ground nail 21 with base station 1 again, will have the main core pile 5 of steel reinforcement cage 6 to aim at the 11 notches of mounting groove and insert afterwards, the guide face 52 of main core pile 5 along with the slip of main core pile 5 on butt guide face 52 to spacing post 7, spacing post 7 receives the spacing of through-hole 111 can only slide to the soil layer direction, spacing post 7 inserts in the soil layer through broken ground point 71, carry on spacing fixed to bearing pile 2, pull up connecting rope 8 afterwards, will rotate piece 4 and roll out bearing pile 2, pour into the concrete to main core pile 5 inside wall afterwards, the concrete flows to through-hole 111 from connecting hole 51, flow from through-hole 111 again, fill the clearance between rotation piece 4 and the bearing pile 2 lateral wall, the effect of bearing rotary anti subsides has been improved.

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 soft soil foundation composite pile foundation, includes bearing pile (2), bearing pile (2) are cylindricly, bearing pile (2) vertical bury ground, bearing pile (2) one end is coaxial has seted up mounting groove (11), bearing pile (2) are kept away from the one end at the bottom of mounting groove (11) is on a parallel with ground, be provided with steel reinforcement cage (6), its characterized in that in mounting groove (11): bear stake (2) upside and be provided with base station (1), base station (1) is the ring form, base station (1) is located subaerial upper end, base station (1) with be provided with many wire rope (3) between bearing stake (2), many wire rope (3) are followed bearing stake (2) lateral wall circumference evenly sets up, wire rope (3) one end is connected the lateral wall of bearing stake (2), wire rope (3) other end is connected base station (1) is close to the one end of bearing stake (2).

2. A soft soil foundation composite pile foundation according to claim 1, characterized in that: the steel wire rope (3) is connected to the middle of the side wall of the bearing pile (2).

3. A soft soil foundation composite pile foundation according to claim 1, characterized in that: bear stake (2) lateral wall and rotate and be provided with rotor plate (41), rotor plate (41) are located bear stake (2) and keep away from the one end of base station (1), rotor plate (41) and base station (1) are connected through connecting rope (8), connect rope (8) one end and connect in rotor plate (41) lateral wall, connect rope (8) other end and connect in base station (1) inside wall.

4. A soft soil foundation composite pile foundation according to claim 3, characterized in that: the bearing pile (2) is uniformly provided with a plurality of through holes (111) in the circumferential direction of the side wall of the mounting groove (11), and the through holes (111) penetrate through the outer side wall of the bearing pile (2) and are opposite to the rotating plate (41).

5. A soft soil foundation composite pile foundation according to claim 3, wherein: one end, far away from the rotating axis, of the rotating plate (41) is vertically provided with a connecting plate (42), and the side wall of the bearing pile (2) is provided with a plug-in groove (13) for the connecting plate (42) to be inserted into.

6. A soft soil foundation composite pile foundation according to claim 4, characterized in that: bear a plurality of spliced eyes (14) evenly seted up in stake (2) lateral wall circumference, spliced eye (14) internal slipping grafting has spacing post (7), mounting groove (11) lateral wall slips grafting has main heart stake (5), steel reinforcement cage (6) are located main heart stake (5) inside wall, a plurality of connecting holes (51) have evenly been seted up in main heart stake (5) lateral wall circumference, connecting hole (51) with through-hole (111) communicate each other, spacing post (7) are close to the one end of main heart stake (5) is provided with guide surface (73) that are the slope form, main heart stake (5) are close to the one end of mounting groove (11) tank bottom is provided with guide surface (52), guide surface (52) with guide surface (73) are parallel to each other.

7. A soft soil foundation composite pile foundation according to claim 6, characterized in that: one end of the limiting column (7) far away from the main core pile (5) is provided with a soil breaking point (71) in a taper shape.

8. A soft soil foundation composite pile foundation according to claim 6, characterized in that: the side wall of the limiting column (7) is provided with a limiting block (72), the side wall of the insertion hole (14) is provided with a limiting groove (141) for the limiting block (72) to be inserted, and the limiting groove (141) is axially arranged along the insertion hole (14).