CN215593983U

CN215593983U - Cement mixing pile

Info

Publication number: CN215593983U
Application number: CN202120858044.3U
Authority: CN
Inventors: 张小林; 王勇; 许智勇; 郑阳阳; 张金锁; 王博; 孙现伟; 陆伟; 宋龙
Original assignee: CRCC Harbour and Channel Engineering Bureau Group Co Ltd
Current assignee: CRCC Harbour and Channel Engineering Bureau Group Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-01-21
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a cement mixing pile, comprising: the pile comprises a pile body, a pile body and a pile body, wherein the outer peripheral wall of the pile body is provided with a convex part, the convex part protrudes along the radial direction of the pile body, and the convex part is used for enhancing the strength of the pile body; the pile core is inserted in the middle of the pile body, the pile core extends from the upper end of the pile body to the lower end of the pile body, the convex part is arranged on the outer peripheral wall of the pile body, the diameter of the pile body is increased equivalently, compared with the pile body with the same diameter, the consumption of the pile body with the same diameter can be reduced due to the convex part, the strength of the pile body is increased, the radial load is more difficult to damage due to the existence of the convex part, namely the strength of the pile body is increased, and the strength of the pile body can be further enhanced due to the arranged pile core so as to resist the radial load.

Description

Cement mixing pile

Technical Field

The utility model relates to the technical field of buildings, in particular to a cement-soil mixing pile.

Background

The cement mixing pile is a kind of building structure for reinforcing foundation.

The conventional cement mixing pile has a cylindrical shape, which is insufficient in strength, and if geological changes generate radial loads (i.e., loads along the radial direction of the cylindrical shape, such as seismic transverse waves), the cylindrical cement mixing pile is prone to fracture and failure.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the cement-soil mixing pile which is high in strength and capable of resisting radial loads.

A soil cement mixing pile according to an embodiment of a first aspect of the present invention includes: the pile comprises a pile body, a pile body and a pile body, wherein the outer peripheral wall of the pile body is provided with a convex part, and the convex part protrudes along the radial direction of the pile body; the pile core is inserted in the middle of the pile body and extends from the upper end of the pile body to the lower end of the pile body.

The cement-soil mixing pile according to the embodiment of the utility model has at least the following beneficial effects: the convex part is arranged on the peripheral wall of the pile body, which is equivalent to the increase of the diameter of the pile body, compared with the pile body with the same diameter, the consumption of the pile body with the same diameter can be reduced due to the existence of the convex part, the strength of the pile body is increased, the radial load is more difficult to damage the pile body due to the existence of the convex part, namely the strength of the pile body is increased, and the strength of the pile body can be further enhanced due to the arrangement of the pile core so as to resist the radial load.

According to some embodiments of the utility model, the convex part is provided with a plurality of convex parts which are uniformly arranged around the outer peripheral wall of the pile body, and the uniformly arranged convex parts can resist radial loads conducted in all directions.

According to some embodiments of the utility model, five, six or seven convex parts are arranged, and the convex parts are uniformly arranged around the peripheral wall of the pile body, so that the number of the convex parts is limited, and the convex parts are convenient to arrange.

According to some embodiments of the present invention, the pile core is provided with a plurality of pile cores, and the plurality of pile cores are inserted into the pile body and extend along the axial direction of the pile body, and the plurality of pile cores are provided to further strengthen the pile body.

According to some embodiments of the utility model, the pile core is a metal pile core, and the metal pile core has high strength and good bending resistance.

According to some embodiments of the utility model, the pile core comprises a sleeve and a plurality of steel bars, the plurality of steel bars are inserted into the sleeve and form an interference fit with the sleeve, the pile core is convenient to manufacture, and the pile core is a combination of the sleeve and the steel bars, is convenient to assemble and is also convenient to transport.

According to some embodiments of the utility model, the pile body is provided with seven, six of the seven pile bodies surround a hexagon, the remaining one pile body is arranged at the geometric center of the hexagon, the pile core is inserted in the middle of the pile body, the pile core extends from the upper end of the pile body to the lower end of the pile body, the seven pile bodies form a honeycomb structure, the strength is higher, and the foundation is firmer.

According to some embodiments of the utility model, the central distance between two adjacent piles is 1-1.6 m, and the distance is set to make the force of two adjacent piles better, and the large consumption of materials caused by the dense piles is avoided.

According to some embodiments of the present invention, the pile body is made of portland cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement, or phosphate cement, and the material is easily available and may be selected according to the geology.

According to some embodiments of the utility model, the length of the pile body is 16-18 meters, the diameter of the pile body is 500mm, the length of the pile body is set to make the foundation deep, so that the foundation is firmer, and the diameter of the pile body is set to make the strength of a single pile body meet the design requirement.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a soil cement mixing pile according to an embodiment of the present invention;

FIG. 2 is an exploded view of the soil cement mixing pile shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the soil-cement mixing pile shown in FIG. 1, which is surrounded by a regular hexagon;

fig. 4 is a top view of fig. 3.

Pile body 100, convex part 110, pile core 200, sleeve 210 and reinforcing steel bar 220.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, a soil cement mixing pile includes: the pile body 100 is provided with a convex part 110 on the outer peripheral wall, the convex part 110 protrudes along the radial direction of the pile body 100, and the convex part 110 is used for enhancing the strength of the pile body 100; the pile core 200 is inserted in the middle of the pile body 100, and the pile core 200 extends from the upper end of the pile body 100 to the lower end of the pile body 100. The protrusion 110 is arranged on the outer peripheral wall of the pile body 100, which corresponds to the increase of the diameter of the pile body 100, compared with the pile body 100 with the same diameter, the existence of the protrusion 110 can reduce the consumable of the pile body 100 with the same diameter, but the strength of the pile body 100 is increased, the existence of the protrusion 110 makes it more difficult for radial load to damage the pile body 100, that is, the strength of the pile body 100 is increased, and the arranged pile core 200 can further enhance the strength of the pile body 100 so as to resist the radial load. It can be understood that when the cement soil mixing pile is manufactured, a drilling machine is used for drilling loose at a pouring position on the ground, then a second sleeve is inserted into a soft foundation, the section shape of the second sleeve is matched with the outer contour of the pile body 100, namely the inner cavity of the second sleeve is equivalent to a forming die cavity of the pile body 100, then a mixing roller is inserted into the second sleeve, cement is added while mixing is carried out, and the pile body 100 can be formed after solidification; before this, the pile core 200 is inserted into the second sleeve in advance, or the pile core 200 is inserted into the second sleeve after the completion of the mixing, and further, the second sleeve may be extracted when the pile body 100 is in a semi-solidified state, and after the extraction of the second sleeve, a gap is certainly formed, and the gap is filled by the expansion of the pile body 100.

In some embodiments, the protrusions 110 are provided in multiple numbers, the multiple protrusions 110 are uniformly arranged around the outer circumferential wall of the pile body 100, and the uniformly arranged protrusions 110 can resist radial loads conducted in all directions. It should be noted that the end of the convex portion 110, which is away from the pile body 100 in the radial direction of the pile body 100, is provided with a cambered surface, which is used for facilitating pouring and has a stronger bearing capacity, and a concrete stress analysis may refer to a stress analysis of a cambered shape.

In some embodiments, five, six or seven protrusions 110 are provided, and the protrusions 110 are uniformly provided around the outer circumferential wall of the pile body 100, and the number of the protrusions 110 is limited, so that the protrusions 110 can be conveniently arranged.

In some embodiments, a plurality of pile cores 200 are provided, and a plurality of pile cores 200 are inserted into the pile body 100 and extend along the axial direction of the pile body 100, and the plurality of pile cores 200 can further strengthen the pile body 100. It is understood that a plurality of pile cores are inserted into the same pile body 100, that is, a plurality of pile cores are inserted into one pile body 100, which is not shown in the drawings.

In some embodiments, core 200 is a metal core, which has high strength and good bending resistance.

In some embodiments, the pile core 200 includes a sleeve 210 and a plurality of reinforcing bars 220, the plurality of reinforcing bars 220 are inserted into the sleeve 210 and form an interference fit with the sleeve 210, so that the pile core 200 is convenient to manufacture, and the pile core 200 is a combination of the sleeve and the reinforcing bars, so that the pile core is convenient to assemble and transport.

In some embodiments, the pile 100 is provided with seven, six of the seven piles 100 surround a hexagon, the rest is provided at the geometric center of the hexagon, the pile core 200 is inserted in the middle of the pile 100, the pile core 200 extends from the upper end of the pile 100 to the lower end of the pile 100, the seven piles 100 form a honeycomb structure, the strength is higher, and the foundation is firmer.

In some embodiments, the center distance between two adjacent piles 100 is between 1 meter and 1.6 meters, and the distance is set to make the force of two adjacent piles 100 better, and also not to make the material consumption large because the piles 100 are too dense.

In some embodiments, the pile body 100 is made of portland cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement, or phosphate cement, which are readily available and may be selected according to geology.

In some embodiments, the length of the pile body 100 is 16 meters to 18 meters, the diameter of the pile body 100 is 500mm, the length of the pile body 100 is set to make the foundation deeply drilled and thus the foundation is firmer, and the diameter of the pile body 100 is set to make the strength of a single pile body 100 meet the design requirement, it can be understood that the conventional foundation is drilled shallowly and basically below 10 meters, and the stability of the foundation is insufficient when encountering the geology with loose soil texture.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A soil cement mixing pile, comprising:

the pile comprises a pile body, a pile body and a pile body, wherein the outer peripheral wall of the pile body is provided with a convex part, and the convex part protrudes along the radial direction of the pile body;

the pile core is inserted in the middle of the pile body and extends from the upper end of the pile body to the lower end of the pile body.

2. The cement-soil mixing pile according to claim 1, wherein: the convex part is provided with a plurality ofly, and is a plurality of the convex part surrounds the periphery wall of pile body evenly sets up.

3. The cement-soil mixing pile according to claim 1, wherein: the convex parts are provided with five, six or seven, and the convex parts are uniformly arranged around the peripheral wall of the pile body.

4. A soil cement mixing pile according to any one of claims 1 to 3, wherein: the pile core is provided with a plurality of pile cores, and the pile cores are inserted into the pile body and extend along the axial direction of the pile body.

5. The cement-soil mixing pile according to claim 1, wherein: the pile core is a metal pile core.

6. The soil cement mixing pile according to claim 4, wherein: the pile core comprises a sleeve and a plurality of steel bars, and the steel bars are inserted into the sleeve and form interference fit with the sleeve.

7. The cement-soil mixing pile according to claim 1, wherein: the pile body is provided with seven, and six in the seven pile body enclose into the hexagon, and remaining one sets up the geometric centre of hexagon, the stake core is inserted and is established the middle part of pile body, the stake core extends to from the upper end of pile body the lower extreme of pile body.

8. The cement-soil mixing pile according to claim 7, wherein: the center distance between two adjacent pile bodies is 1-1.6 m.

9. The cement-soil mixing pile according to claim 1, wherein: the pile body is made of portland cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement or phosphate cement.

10. The cement-soil mixing pile according to claim 1, wherein: the length of the pile body is 16 meters to 18 meters, and the diameter of the pile body is 500 mm.