CN215441869U

CN215441869U - Underwater filling pile

Info

Publication number: CN215441869U
Application number: CN202121567110.8U
Authority: CN
Inventors: 张荣胜; 赖叔和; 刘路红
Original assignee: Xiamen Meiyi Group Co ltd
Current assignee: Xiamen Meiyi Group Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2022-01-07
Anticipated expiration: 2031-07-10

Abstract

The utility model relates to an underwater filling pile relates to building construction equipment technical field, and its technical scheme mainly includes body subassembly and impervious concrete layer, impervious concrete layer utilizes the mode of spraying to cover on the inner wall of body subassembly, still poured concrete portion in the body subassembly, impervious concrete layer is located between body subassembly inner wall and the concrete portion. This application has the effect of filling the clearance between the branch pipe in the bored concrete pile under water.

Description

Underwater filling pile

Technical Field

The application relates to the technical field of building construction equipment, in particular to an underwater cast-in-place pile.

Background

The underwater cast-in-place pile is a combined structure formed by pouring concrete through a vertical pipe and depending on the self weight of the concrete. The method is widely applied to underwater or underground engineering such as pouring cofferdams, caisson foundations, open caisson foundations, underground continuous walls, pile foundations and the like. The concrete slowly flows out from the bottom end of the pipe and is distributed to the periphery in an expanding way, and the concrete is not easily disturbed by the surrounding water flow, so that the quality is ensured. The concrete enters the lower part of the initially poured concrete through the guide pipe in sealed connection under the action of certain drop pressure, and supports the initially poured concrete and the slurry on the initially poured concrete to gradually rise to form a continuous and compact concrete pile body.

In view of the above-mentioned related technologies, the inventor found that the pipe body outside the existing underwater cast-in-place pile is generally formed by simply connecting a plurality of branch pipes with certain lengths, and a gap formed between the branch pipes is prone to water seepage all around, thereby affecting the process of water seepage at the bottom end of the underwater cast-in-place pile and affecting the underwater construction efficiency, and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to fill gaps among branch pipes in an underwater cast-in-place pile, the application provides an underwater cast-in-place pile.

The application provides an underwater filling pile adopts following technical scheme:

the utility model provides an underwater filling pile, includes body subassembly and impervious concrete layer, the body main part is formed by a plurality of minutes pipe concatenations, impervious concrete layer utilizes the mode of spraying to cover on the inner wall of body subassembly, still poured concrete portion in the body subassembly, impervious concrete layer is located between body subassembly inner wall and the concrete portion.

Through adopting above-mentioned technical scheme, impervious concrete layer sets up between body subassembly and concrete portion, utilizes impervious concrete layer can play the effect of sealing the clearance between the adjacent two spinal branchs pipe, reduces the condition that water spills into concrete portion from body subassembly week side, guarantees bored concrete pile's structural strength.

Preferably, the upper end surface of each branch pipe is provided with a protrusion arranged annularly, the lower end surface of each branch pipe is provided with a clamping groove arranged annularly, and each protrusion is inserted into each clamping groove respectively.

Through adopting above-mentioned technical scheme, peg graft between arch and the recess between the adjacent minute pipe and set up for the dismouting between the minute pipe is fixed more portably, and practices thrift the cost, realizes easily, and you can increase the connection stability between two minute pipes of adjacent setting.

Preferably, a slurry hanging net is arranged on the inner wall of the pipe body assembly, and the impervious concrete layer is covered on the slurry hanging net in a spraying mode.

Through adopting above-mentioned technical scheme, hang the thick liquid net and can make impervious concrete layer more firmly fix on the inner wall of body subassembly, hang the thick liquid net and can improve impervious concrete's adhesion effect, with impervious concrete bonding on body subassembly inner wall.

Preferably, the slurry hanging net is provided with a plurality of connecting nails, and the slurry hanging net is nailed and fixed on the inner wall of the pipe body assembly by the connecting nails.

Through adopting above-mentioned technical scheme, utilize the connecting pin can be with hanging thick liquid net nailed on the inner wall of body subassembly, ensure the installation stability of hanging thick liquid net.

Preferably, a plurality of wood blocks are fixed on the inner wall of the pipe body assembly, and the part of each connecting nail penetrating through the pulp hanging net is inserted into each wood block respectively.

Through adopting above-mentioned technical scheme, the setting of billet can make the connecting nail fixed in the branch pipe wall the time fixed effect better, improves the easy not hard up condition of snap-on the branch pipe wall, makes to hang the thick liquid net and installs more firmly on body subassembly inner wall.

Preferably, a plurality of limiting grooves are formed in the inner wall of the pipe body assembly, and one end, away from the axis of the pipe body assembly, of each wood block is embedded in each limiting groove.

Through adopting above-mentioned technical scheme, spacing groove is spacing fixed with the billet to locating the nail the connection nail on the billet spacing, the thick liquid net of hanging that the connection nail passed is spacing on the inner wall of body subassembly.

Preferably, the pulp hanging net is a metal net, and a plurality of regular hexagonal holes are arranged on the metal net in an array mode.

Through adopting above-mentioned technical scheme, the wire side sets up the adhesion property that can optimize the thick liquid net of hanging into for regular hexagon line, makes impervious concrete layer more firmly adhere to at intraductal subassembly inner wall, and the structural strength of metal mesh is high, and the wire side can not damaged easily, guarantees the structural stability of bored concrete pile under water.

Preferably, the connection part of the two adjacent branch pipes extends out of a boss towards the direction close to the axis of the pipe body assembly, and the width of the boss gradually decreases to the level of the table top towards the middle part.

Through adopting above-mentioned technical scheme, adjacent minute union coupling department easily produces the bubble when pouring concrete portion, for in time discharging the bubble, sets up the boss in the junction, makes the bubble can follow boss terminal surface week side and remove to the gap of junction, discharges from the gap.

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

the arrangement of the impervious concrete layer can reduce the condition that water overflows into the concrete part from the peripheral side of the pipe body assembly, and reduce the possibility of unstable structure of the underwater cast-in-place pile;

the slurry hanging net arranged on the inner wall of the pipe body assembly enables the impervious concrete layer to be more stable and not easy to slip when fixedly connected with the inner wall of the pipe body assembly;

the boss arranged at the joint of the adjacent branch pipes enables bubbles to move to the gap at the joint along the peripheral side of the end face of the boss and be discharged in time.

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 of an embodiment of the present application;

fig. 3 is an enlarged schematic view of the structure a in fig. 2.

Reference numerals: 1. an impervious concrete layer; 2. pipe distribution; 3. a protrusion; 4. a card slot; 5. coating a pulp net; 6. a connecting nail; 7. a boss; 8. wood blocks; 9. a limiting groove.

Detailed Description

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

The embodiment of the application discloses an underwater cast-in-place pile.

Referring to fig. 1 and 2, an underwater cast-in-place pile includes a pipe assembly and an impermeable concrete layer 1 sprayed and attached to the inner wall of the pipe assembly, a concrete portion (not shown in the figure) is poured into a cylindrical space surrounded by the impermeable concrete layer 1, and the concrete portion is attached and adsorbed to the inner surface of the impermeable concrete layer 1.

Referring to fig. 2 and 3, the pipe body assembly comprises a plurality of branch pipes 2, annular protrusions 3 extend from the upper end faces of the branch pipes 2, annular clamping grooves 4 corresponding to the annular protrusions 3 are formed in the lower end faces of the branch pipes 2, the protrusions 3 are inserted into the clamping grooves 4, and adjacent branch pipes 2 are connected to form the pipe body assembly.

Specifically, the inner wall of the pipe body assembly is hung with the grout hanging net 5, the impervious concrete layer 1 is sprayed on the grout hanging net 5, a part of the impervious concrete covers the grout hanging net 5, and the impervious concrete layer 1 is adhered and fixed on the inner wall of the pipe body assembly through the grout hanging net 5.

Wherein, a plurality of spacing grooves 9 have been seted up at body subassembly inner wall, still utilize sticky mode to install a plurality of billet 8 on the inner wall of body subassembly, the one end that the billet 8 kept away from body subassembly axis inlays respectively and locates each spacing groove 9 in, it is equipped with a plurality of connection nails 6 to correspond the nail on a plurality of billet 8, connects nail 6 and passes the mesh of slurry hanging net 5, during the tip of connecting nail 6 inserts billet 8, will hang solid between impervious concrete of slurry hanging net 5 nail and body subassembly inner wall.

Further, a boss 7 extends from the joint of the adjacent branch pipes 2 to the direction close to the axis of the pipe body assembly, the boss 7 fills the gap at the joint and gradually reduces the width to the level of the table top of the boss 7 toward the middle part, when concrete is poured into the pipe body assembly, air bubbles are easily generated at the joint of the adjacent branch pipes 2, and the air bubbles climb along the slope surface below the boss 7, pass through the table top of the boss 7 and then are discharged out of the cast-in-place pile through the slope surface above the boss 7.

Wherein, hang thick liquid net 5 and establish to the metal mesh, the hole that evenly arranges on the metal mesh is regular hexagon, and the metal mesh closes impervious concrete layer 1 enclosure, and the metal mesh is end to end both ends welded fastening.

The implementation principle of the embodiment is as follows: the bulges 3 and the grooves of the adjacent branch pipes 2 are mutually inserted to form a pipe body assembly, the connecting nails 6 penetrate through the meshes of the slurry hanging net 5 and are nailed into the pipe body assembly to be embedded with wood blocks 8, and the slurry hanging net 5 is fixed between the anti-seepage concrete layer 1 which is hung on the slurry hanging net and the inner wall of the pipe body assembly in a spraying mode, so that the underwater cast-in-place pile is installed.

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. An underwater filling pile is characterized in that: including body subassembly and impervious concrete layer (1), the body subassembly is managed (2) concatenation by a plurality of minutes and is formed, impervious concrete layer (1) utilizes the mode of spraying to cover on the inner wall of body subassembly, still poured concrete portion in the body subassembly, impervious concrete layer (1) is located between body subassembly inner wall and the concrete portion.

2. An underwater bored concrete pile according to claim 1, wherein: the upper end face of each branch pipe (2) is provided with a protrusion (3) which is annularly arranged, the lower end face of each branch pipe (2) is provided with a clamping groove (4) which is annularly arranged, and each protrusion (3) is respectively inserted into each clamping groove (4).

3. An underwater bored concrete pile according to claim 1, wherein: be provided with on the inner wall of body subassembly and hang thick liquid net (5), impervious concrete layer (1) adopts the mode of spraying to cover on hanging thick liquid net (5).

4. An underwater pile according to claim 3, wherein: the slurry hanging net (5) is provided with a plurality of connecting nails (6), and the slurry hanging net (5) is nailed and fixed on the inner wall of the pipe body assembly through the connecting nails (6).

5. An underwater pile according to claim 4, wherein: a plurality of wood blocks (8) are fixed on the inner wall of the pipe body component, and the parts of the connecting nails (6) penetrating through the pulp hanging net (5) are respectively inserted on the wood blocks (8).

6. An underwater pile according to claim 5, wherein: a plurality of limiting grooves (9) are formed in the inner wall of the pipe body assembly, and one end, far away from the axis of the pipe body assembly, of each wood block (8) is embedded into each limiting groove (9) respectively.

7. An underwater pile according to claim 3, wherein: the slurry hanging net (5) is a metal net, and a plurality of regular hexagonal holes are arranged in an array mode on the metal net.

8. An underwater bored concrete pile according to claim 1, wherein: the adjacent two of setting divide pipe (2) junction to extending boss (7) near body subassembly axle center direction, boss (7) reduce to the mesa level gradually to middle part width.