CN216379614U

CN216379614U - Novel shallow overburden steel support basis anchor device

Info

Publication number: CN216379614U
Application number: CN202122373329.0U
Authority: CN
Inventors: 邓晓峰; 郑震; 王杰; 肖锐; 陈永光; 容敏; 陈杨; 张彪; 张峰; 蓝巧新; 黄徐徐
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 2 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 2 Engineering Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-26
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a novel shallow covering layer steel support foundation anchoring device which comprises a steel pipe pile and an anchoring pile, wherein at least part of the anchoring pile is positioned in the steel pipe pile and is fixedly connected with the steel pipe pile, the anchoring pile comprises a steel reinforcement cage and concrete, and the steel reinforcement cage is positioned in the concrete. Through the combination of the steel pipe pile, concrete and the anchoring pile formed by the steel reinforcement cage in a condensation mode, one part of the anchoring pile extends into the steel pipe pile, the vertical bearing requirement can be met, the bending resistance and shearing resistance requirements of the pipe pile can be guaranteed, and the steel pipe pile anchoring pile has the advantages of being simple in construction and wide in application range.

Description

Novel shallow overburden steel support basis anchor device

Technical Field

The utility model relates to the technical field of bridge engineering construction equipment, in particular to a novel shallow-covering-layer steel support foundation anchoring device.

Background

Along with the gradual increase of domestic bridge engineering, in the bridge work progress, when meetting the geology of shallow overburden hard bed rock, steel support foundation anchor is the basis of setting up construction platform, and is a process that influences construction progress and quality and is showing, and steel support foundation is shallower among the prior art, can't realize firm effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one technical problem in the prior art, and therefore the utility model provides a novel shallow covering layer steel support foundation anchoring device which comprises a steel pipe pile and an anchoring pile, wherein at least part of the anchoring pile is positioned in the steel pipe pile and fixedly connected with the steel pipe pile, the anchoring pile comprises a reinforcement cage and concrete, and the reinforcement cage is positioned in the concrete.

The utility model has the advantages that through the combination of the steel pipe pile, the concrete and the anchoring pile formed by the condensation of the reinforcement cage, one part of the anchoring pile extends into the steel pipe pile, thereby realizing the vertical bearing requirement, simultaneously ensuring the bending resistance and shearing resistance of the pipe pile, and having the effects of simple construction and wide application.

In some embodiments of the utility model, the reinforcement cage is welded and fixed to the steel pipe pile.

In some embodiments of the utility model, the length of the overlap between the anchoring pile and the steel pipe pile in the steel pipe pile is greater than or equal to two meters.

In some embodiments of the utility model, the anchor pile has a circular cross-section, the anchor pile has a first anchor portion inside the steel pipe pile, a second anchor portion outside the steel pipe pile, and a connecting anchor portion connecting the first anchor portion and the second anchor portion, the first anchor portion has a diameter equal to or smaller than an inner diameter of the steel pipe pile, and the second anchor portion has a diameter larger than the diameter of the first anchor portion.

In some embodiments of the utility model, the reinforcement cage has a plurality of reinforcing bars uniformly distributed along the circumferential direction of the anchor piles.

In some embodiments of the present invention, the number of the steel bar arrangement is 10 to 30.

Drawings

The utility model is further described in the following with reference to the accompanying drawings, it is obvious that the drawings in the following description are some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from these drawings without inventive effort.

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the A-direction structure of FIG. 1;

FIG. 3 is a schematic structural view of embodiment 2 of the present invention;

FIG. 4 is a schematic view of the A-direction structure of FIG. 3;

FIG. 5 is a schematic view of the structure of FIG. 3 in the direction B;

FIG. 6 is a schematic view of the C-direction structure of FIG. 3;

FIG. 7 is a simplified schematic illustration of an anchor pile of embodiment 2 of the present invention;

fig. 8 is a schematic structural diagram for erecting a construction platform according to an embodiment of the present invention.

In the figure: the novel shallow cladding steel support foundation anchoring device 100, the steel pipe pile 200, the anchor pile 300, the reinforcement cage 310, the first anchoring part 320, the second anchoring part 330, the connecting anchoring part 340, the length 410 of the overlap of the anchor pile and the steel pipe pile, the length 420 of the connecting anchoring part, the reinforcing steel bar 500, the reinforcing steel bar group 600 and the construction platform 700.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It is to be understood that, herein, if any terms such as "upper", "lower", "left", "right", "front", "rear", "longitudinal", "transverse", "axial", etc., indicate orientations or positional relationships based on those shown in the drawings, this is for convenience in describing and simplifying the present invention, and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the present invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Herein, the terms "first", "second", etc. are used to distinguish different objects, not to describe a particular order.

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

Referring to fig. 1 to 8, the utility model provides a novel shallow cladding steel support foundation anchoring device, which comprises a steel pipe pile 200 and an anchoring pile 300, wherein at least part of the anchoring pile 300 is located in the steel pipe pile 200 and is fixedly connected with the steel pipe pile 200, the anchoring pile 300 comprises a reinforcement cage 310 and concrete, the reinforcement cage 310 is welded and fixed with the steel pipe pile 200, and the reinforcement cage 310 is located in the concrete.

Preferably, the length 410 of the overlap between the anchor pile and the steel pipe pile in the steel pipe pile 200 is greater than or equal to two meters.

The anchor pile 300 has a circular cross section, the anchor pile 300 includes a first anchor part 320 located inside the steel pipe pile 200, a second anchor part 330 located outside the steel pipe pile 200, and a connecting anchor part 340 connecting the first anchor part 320 and the second anchor part 330, the first anchor part 320 has a diameter not larger than an inner diameter of the steel pipe pile 200, and the second anchor part 330 has a diameter larger than the diameter of the first anchor part 320.

The cage 310 has a plurality of reinforcing rods 500 uniformly distributed in the circumferential direction of the anchor pile 300. The number of the reinforcing bars 500 is 10 to 30.

With reference to fig. 8, fig. 8 is a schematic view of the present invention for erecting a supporting construction platform 700, and a plurality of the novel shallow steel support foundation anchoring devices 100 of the present invention are connected below the construction platform 700.

Example 1

Continuing to refer to fig. 1 and 2, a novel shallow cladding steel support foundation anchoring device comprises a steel pipe pile 200 and an anchoring pile 300, wherein the anchoring pile 300 comprises a reinforcement cage 310 and concrete, the reinforcement cage 310 and the steel pipe pile 200 are welded and fixed, and the reinforcement cage 310 is located in the concrete. The length 410 of the overlap between the anchor pile and the steel pipe pile in the steel pipe pile 200 is two meters.

With continued reference to fig. 2, the anchor pile 300 is circular in cross section, the overall anchor pile 300 is cylindrical, and the diameter of the anchor pile 300 is slightly smaller than the inner diameter of the steel pipe pile 200. The cage 310 has 10 sets of reinforcing bars 600 distributed uniformly in the circumferential direction of the anchor pile 300, and each set of reinforcing bars 600 is welded and fixed by two reinforcing bars 500, i.e., 20 reinforcing bars 500.

Example 2

Continuing to refer to fig. 3 to 7, a novel shallow cladding steel support foundation anchoring device comprises a steel pipe pile 200 and an anchoring pile 300, wherein the anchoring pile 300 comprises a reinforcement cage 310 and concrete, the reinforcement cage 310 and the steel pipe pile 200 are welded and fixed, and the reinforcement cage 310 is located in the concrete. The length 410 of the overlap between the anchoring pile and the steel pipe pile in the steel pipe pile 200 is three meters.

The anchor pile 300 has a circular cross-section, the anchor pile 300 includes a first anchor part 320 located inside the steel pipe pile 200, a second anchor part 330 located outside the steel pipe pile 200, and a connecting anchor part 340 connecting the first anchor part 320 and the second anchor part 330, the first anchor part 320 has a diameter slightly smaller than the inner diameter of the steel pipe pile 200, and the second anchor part 330 has a diameter larger than the diameter of the first anchor part 320.

With continued reference to fig. 7, the connecting anchor has a length 420 of 600 millimeters and the diameter of the first anchor 320 is reduced by one 60 millimeters from the diameter of the second anchor 330.

With continued reference to fig. 4, fig. 4 is a view taken along the direction a of the anchor pile 300 according to the embodiment 2 of the present invention, i.e., a top view of the first anchoring part 320, which shows that 26 reinforcing bars 500 are uniformly distributed in the first anchoring part 320 along the circumferential direction of the anchor pile 300.

With continued reference to fig. 5, fig. 5 is a view of the anchor pile 300 according to the embodiment 2 of the present invention, showing the second anchoring portion 330 divided into an upper part and a lower part, and fig. 5 shows the second anchoring portion 330 with 26 reinforcing bars 500 uniformly distributed along the circumference of the anchor pile 300.

With continued reference to fig. 6, fig. 6 is a view of the anchor pile 300 according to the embodiment 2 of the present invention, showing the second anchoring portion 330 divided into an upper portion and a lower portion, and fig. 5 shows the second anchoring portion 330 with 13 reinforcing bars 500 uniformly distributed along the circumference of the anchor pile 300.

The novel anchoring device for the shallow covering layer steel support foundation is constructed in the field, firstly, a steel casing is inserted into a hard rock layer at a designed position until the steel casing cannot be inserted and driven continuously, a gas lift reverse circulation drilling machine is used for drilling holes, drilling slag is removed after the holes are formed, then, the welded steel pipe pile 200 and the steel reinforcement cage 310 are put into the holes together, water is pumped, and poured concrete is condensed to serve as a pile support for erecting a construction platform 700.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the utility model or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.

Claims

1. The utility model provides a novel shallow overburden steel support basis anchor which characterized in that: including steel-pipe pile and anchor pile, anchor pile at least part be located in the steel-pipe pile and with steel-pipe pile fixed connection, anchor pile includes steel reinforcement cage and concrete, the steel reinforcement cage is located in the concrete.

2. The novel shallow-coverage steel bracket foundation anchoring device as claimed in claim 1, wherein: and the reinforcement cage is welded and fixed with the steel pipe pile.

3. The novel shallow-coverage steel bracket foundation anchoring device as claimed in claim 1, wherein: the length of the superposition of the anchoring pile and the steel pipe pile in the steel pipe pile is more than or equal to two meters.

4. The novel shallow-coverage steel bracket foundation anchoring device as claimed in claim 1, wherein: the cross section of the anchoring pile is circular, the anchoring pile is provided with a first anchoring part positioned in the steel pipe pile, a second anchoring part positioned outside the steel pipe pile and a connecting and anchoring part for connecting the first anchoring part and the second anchoring part, the diameter of the first anchoring part is smaller than or equal to the inner diameter of the steel pipe pile, and the diameter of the second anchoring part is larger than that of the first anchoring part.

5. The novel shallow-coverage steel bracket foundation anchoring device as claimed in any one of claims 1 to 4, wherein: the steel reinforcement cage has along the many reinforcing bars of anchor pile's circumferencial direction equipartition.

6. The novel shallow-coverage steel bracket foundation anchoring device of claim 5, characterized in that: the number of the steel bar distribution is 10-30.