CN218990191U

CN218990191U - U-shaped concrete sheet pile with reinforced end

Info

Publication number: CN218990191U
Application number: CN202223022657.7U
Authority: CN
Inventors: 梁仙根; 高忠明
Original assignee: Zhejiang Yucheng Component Co ltd
Current assignee: Zhejiang Yucheng Component Co ltd
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-05-09
Anticipated expiration: 2032-11-12

Abstract

The utility model discloses a U-shaped concrete sheet pile with reinforced ends, which comprises a pile body, wherein the two ends of the pile body are respectively provided with a guiding insertion end and an impact end, the pile body comprises a back part and waist parts at two sides, the back part and the waist parts form a U-shaped groove, a thickening layer is arranged at the position of the pile body corresponding to the impact end, the thickening layer extends from the back part to the inside of the U-shaped groove, the thickening layer enables the impact end of the pile body to form a pile cap, the surface of the pile body is provided with a wood-like grain layer, and the wood-like grain layer extends from the two ends of the pile body to the middle part for 1.5m.

Description

U-shaped concrete sheet pile with reinforced end

Technical Field

The utility model belongs to the technical field of U-shaped plate piles, and particularly relates to a U-shaped concrete plate pile with reinforced ends.

Background

Sheet piles are special supporting structures in deep foundation pit excavation, the sheet piles are driven into the soil before the foundation pit excavation, and after the foundation pit excavation, the sheet piles are used for resisting horizontal soil pressure and water pressure. To keep it stable, a support or anchor may be provided at the appropriate height of the sheet pile. The steel sheet pile is convenient to beat and can be recycled due to high strength, and is a supporting structure with wider application. In order to reduce the influence of construction on adjacent buildings and reduce the construction cost, more and more projects adopting cast-in-place pile retaining walls as supporting structures are adopted.

The concrete U-shaped sheet pile has the advantages of high strength, high rigidity, convenient material taking, simple construction and the like, the appearance of the concrete U-shaped sheet pile can be designed and manufactured according to the needs, and the pile pulling problem is not needed to be considered compared with a steel sheet pile, so that the pile pulling problem is occupied in foundation pit engineering, piles are required to be driven by piles when the pile driving machine is used, the overall structure of the length direction of the U-shaped sheet pile is the same, and when the pile driving machine is contacted with the end part of the U-shaped sheet pile, the end part of the U-shaped sheet pile is worn or even broken.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a thickening layer arranged at the impact end of the pile body so as to increase the strength of the contact part with the pile driver and ensure the integral strength of the pile body.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a U-shaped concrete sheet pile that tip is strengthened, includes the pile body, and the both ends of pile body are direction insertion end and striking end respectively, and the pile body includes the waist of back and both sides, and the back forms U type groove with the waist, the pile body corresponds striking end department and is provided with the thickening layer, the thickening layer extends to U-shaped inslot portion by the back, and the thickening layer makes the striking end of pile body form the pile cap.

Further be provided with U-shaped stirrup and straight line shaped steel bar in the pile body, the steel bar extends and with stirrup welded fastening along the length direction of pile body, be provided with the cage muscle in the thickening layer, cage muscle and stirrup and steel bar welded fastening.

Still be provided with the design muscle of U-shaped in the further the thickening layer, design muscle and cage muscle welded fastening, design muscle and stirrup are located the both sides of cage muscle respectively, and the stirrup stretches into in the waist.

And a water stop rubber strip is arranged on the end face of the waist.

Further the stagnant water rubber strip includes pre-buried part and splice portion, pre-buried part is fixed in the waist, splice portion is located the outside.

The splicing part further comprises an elastic cylinder and supporting ribs, and the supporting ribs are positioned on the inner side of the elastic cylinder and connected with the elastic cylinder.

Further, the surface of the pile body is provided with a wood grain imitation layer, and the wood grain imitation layer extends from two ends of the pile body to the middle part by 1.5m.

Compared with the prior art, the utility model has the beneficial effects that: the strength of the end part of the pile body is improved by arranging the thickening layer with the cage ribs, the thickening layer with the cage ribs is welded with the steel bars of the pile body, concrete can be cast together for forming, and the overall strength is high; through setting up the stagnant water rubber strip, can reach the sealed effect between two adjacent pile bodies when using.

Drawings

FIG. 1 is a structural reinforcement of an end-reinforced U-shaped sheet pile according to the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 5 is a schematic view of two piles in combination;

FIG. 6 is a schematic view of a water rubber strip.

Reference numerals: 1. a pile body; 11. guiding the insertion end; 12. an impact end; 131. a back; 132. a waist portion; 21. stirrups; 22. a steel bar; 23. cage ribs; 24. shaping ribs; 3. thickening layers; 4. a water stop rubber strip; 41. embedding a part; 42. a splice portion; 421. an elastic cylinder; 422. and (5) supporting the ribs.

Detailed Description

Embodiments of the end-reinforced U-shaped sheet piles of the present utility model are further described with reference to fig. 1 to 6.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The utility model provides a U-shaped concrete sheet pile that tip is strengthened, includes pile body 1, and pile body 1's both ends are direction respectively and insert end 11 and striking end 12, and pile body 1 includes waist 132 of back 131 and both sides, and back 131 and waist 132 form the U type groove, pile body 1 corresponds striking end 12 department and is provided with thickening layer 3, thickening layer 3 extends to the U-shaped inslot portion by back 131, and thickening layer 3 makes the striking end 12 of pile body 1 form the pile cap.

By providing a thickening layer 3 forming a pile cap, the strength of the end part of the pile body 1 can be enhanced, so that the force applied by the pile driver can be more uniformly dispersed, and the impact end 12 of the pile body 1 is prevented from being damaged due to concentrated stress.

The pile body 1 is preferably provided with a U-shaped stirrup 21 and a linear steel bar 22, the steel bar 22 extends along the length direction of the pile body 1 and is welded and fixed with the stirrup 21, the thickened layer 3 is internally provided with a cage rib 23, and the cage rib 23 is welded and fixed with the stirrup 21 and the steel bar 22.

Cage bar 23 is a cage structure formed by binding or welding reinforcing steel bars, can better combine surrounding concrete together, greatly enhances the strength of the pile cap, and is integrated with steel bar 22 and stirrup 21 after being welded, and the concrete of thickened layer 3 and the concrete of pile body 1 are poured together during production.

The preferred thickening layer 3 of this embodiment is provided with a U-shaped shaping rib 24, the shaping rib 24 is welded with the cage rib 23, the shaping rib 24 and the stirrup 21 are respectively located at two sides of the cage rib 23, and the stirrup 21 stretches into the waist 132.

As shown in fig. 4, the shaped ribs 24 in this embodiment allow the edge of the pile cap to be more firmly bonded to the waist 132, preventing one side from collapsing when subjected to a force.

As shown in fig. 5, the end surface of the waist portion 132 is preferably provided with a water stop rubber strip 4.

After the two pile bodies 1 are driven, the gap between the two pile bodies 1 is sealed by the water-stopping rubber strip 4, so that the purpose of water stopping can be achieved.

The water stop rubber strip 4 specifically comprises an embedded portion 41 and a splicing portion 42, wherein the embedded portion 41 is fixed in the waist 132, and the splicing portion 42 is located on the outer side.

The embedded part 41 is directly embedded in the concrete pouring process of the pile body 1, namely, when concrete is poured, the embedded part 41 and all the steel bars are put into a mould together.

As shown in fig. 6, the splicing section 42 includes an elastic tube 421 and a support rib 422, and the support rib 422 is located inside the elastic tube 421 and connected to the elastic tube 421.

The elastic tube 421 has good contractibility, and the supporting ribs 422 can ensure that the elastic tube 421 keeps an expanded state before being compressed; the support ribs 422 may have a plurality of support ribs 422 intersecting inside the elastic tube 421, and the ends of the support ribs 422 are connected to the inner wall of the elastic tube 421, where the support ribs 422 are rubber members.

The surface of pile body 1 is provided with imitative wood grain layer, imitative wood grain layer extends 1.5m from the both ends of pile body to the middle part.

The wood-like layer in this embodiment may be made of soft plastic adhered to the surface of the pile body 1.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a U-shaped concrete sheet pile that tip is strengthened, includes the pile body, and the both ends of pile body are direction respectively and insert end and striking end, and the pile body includes the waist of back and both sides, and the back forms U-shaped groove with the waist, its characterized in that: a thickening layer is arranged at the position of the pile body corresponding to the impact end, the thickening layer extends from the back to the inside of the U-shaped groove, and the thickening layer enables the impact end of the pile body to form a pile cap;

the pile body is internally provided with U-shaped stirrups and linear steel bars, the steel bars extend along the length direction of the pile body and are welded and fixed with the stirrups, cage ribs are arranged in the thickened layer, and the cage ribs are welded and fixed with the stirrups and the steel bars.

2. The end-reinforced U-shaped concrete sheet pile according to claim 1, characterized in that: the U-shaped shaping bars are further arranged in the thickened layer and are welded and fixed with the cage bars, the shaping bars and the stirrups are respectively located at two sides of the cage bars, and the stirrups extend into the waist.

3. The end-reinforced U-shaped concrete sheet pile according to claim 2, characterized in that: and a water stop rubber strip is arranged on the end face of the waist.

4. A U-shaped concrete sheet pile with reinforced ends according to claim 3, characterized in that: the water stop rubber strip comprises an embedded part and a splicing part, wherein the embedded part is fixed in the waist, and the splicing part is positioned at the outer side.

5. The end-reinforced U-shaped concrete sheet pile according to claim 4, characterized in that: the splicing part comprises an elastic cylinder and supporting ribs, and the supporting ribs are positioned on the inner side of the elastic cylinder and connected with the elastic cylinder.

6. The end-reinforced U-shaped concrete sheet pile according to claim 5, characterized in that: the surface of pile body is provided with imitative wood grain layer, imitative wood grain layer extends 1.5m from the both ends of pile body to the middle part.