CN213086843U - Steel pipe micro pile and reinforced concrete foundation combined structure - Google Patents

Steel pipe micro pile and reinforced concrete foundation combined structure Download PDF

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Publication number
CN213086843U
CN213086843U CN202021577212.3U CN202021577212U CN213086843U CN 213086843 U CN213086843 U CN 213086843U CN 202021577212 U CN202021577212 U CN 202021577212U CN 213086843 U CN213086843 U CN 213086843U
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China
Prior art keywords
steel pipe
reinforced concrete
foundation
concrete foundation
steel
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CN202021577212.3U
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Chinese (zh)
Inventor
许源华
胡强
张小荣
刘品
陈华兴
刘宏力
龙维
谭化川
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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Abstract

The utility model discloses a miniature stake of steel pipe and reinforced concrete foundation integrated configuration, include the reinforced concrete foundation that built-in reinforcing bar net constitutes in the basis, reinforced concrete foundation below is equipped with a plurality of miniature stakes of steel pipe, and the miniature stake of steel pipe passes through the built-in reinforcing bar net welding of basis with the basis and forms integrated configuration, makes the foundation form a whole with the ground after handling, and this integrated configuration can not only provide certain bearing capacity, can increase the antidumping ability of self simultaneously. The utility model discloses simple structure, manufacturing cost is lower, can effectual improvement ground bearing capacity and basic antidumping ability. Compare great composite foundation or pile foundation of stake footpath, the operation platform of its construction requirement is less, and construction speed is fast, and is little to the surrounding environment influence, and construction material is easily obtained, at the bottom of the cost, and can reach the effect that the ground was handled, and the practicality is strong.

Description

Steel pipe micro pile and reinforced concrete foundation combined structure
Technical Field
The utility model relates to a ground treatment technical field especially relates to a steel pipe micro pile and reinforced concrete foundation integrated configuration.
Background
In civil engineering, a thick soft foundation with poor geological conditions is often required to be treated, and at present, a composite foundation or a pile foundation is mostly adopted for treatment. But the construction working face required by the composite foundation is larger, and the construction cost of the pile foundation is higher. For the working points with small area, narrow working face and other large mechanical equipment which are difficult to construct, the conventional method is adopted for treatment, so that the large cost is increased or the treatment cannot be carried out according to the conventional method.
Disclosure of Invention
In view of this, the utility model aims at providing a steel pipe micro pile and reinforced concrete foundation integrated configuration can overcome prior art's not enough.
The utility model aims at realizing through the following technical scheme:
a steel pipe micro pile and reinforced concrete foundation combined structure comprises a reinforced concrete foundation formed by arranging a reinforcing mesh in the foundation, wherein a plurality of steel pipe micro piles are arranged below the reinforced concrete foundation.
The pile top of the steel pipe micro pile is fixedly connected with a built-in reinforcing mesh arranged in the foundation in a welding mode, and the steel pipe micro pile is integrated through pouring.
At least two layers of reinforcing mesh are arranged along the thickness direction of the foundation.
The steel bar mesh is a net structure formed by steel bars which are uniformly and alternately arranged in the transverse direction and the longitudinal direction, and the steel pipe micro piles are arranged at the staggered points of the steel bar mesh one by one.
The steel pipe micro pile comprises a steel pipe uniformly distributed with a plurality of grouting holes, a steel bar bundle is inserted into the steel pipe, a grouting pipe is inserted in the middle of the steel bar bundle, and cement slurry is injected into the grouting pipe, so that the steel pipe micro pile is stably connected with the surrounding rock and soil mass.
The diameter of the steel pipe is between 89 and 133 mm.
The steel bar bundles are at least three steel bars with the diameter of 22-32mm which are uniformly distributed in the steel pipe.
Compared with the prior art, the utility model discloses a miniature stake of steel pipe and reinforced concrete foundation integrated configuration, include the reinforced concrete foundation that built-in reinforcing bar net constitutes in the basis, be equipped with a plurality of miniature stakes of steel pipe in reinforced concrete foundation below, reinforced concrete foundation becomes a whole through pouring with the miniature stake of steel pipe, the utility model discloses a set up the miniature stake of steel pipe of a determining deviation in the basis bottom within range to at the miniature stake lateral wall trompil of steel pipe, slip casting, the thick liquid spreads to the internal engineering property that improves it of ground around, and the ground body around the crowded close stake of steel pipe stake simultaneously to improve the foundation bearing capacity. The steel pipe micro pile and the foundation are welded through the built-in reinforcing mesh to form a combined structure, so that the foundation and the treated foundation form a whole, and the combined structure not only can provide certain bearing capacity, but also can increase the self anti-overturning capacity.
The utility model has the advantages that:
the utility model discloses simple structure, manufacturing cost is lower, through the interact and the coordinated operation of steel pipe micro pile and structure basis, can provide certain bearing capacity, can increase the antidumping ability of self simultaneously. Compare great composite foundation or pile foundation of stake footpath, the operation platform of its construction requirement is less, and construction speed is fast, and is little to the surrounding environment influence, at the bottom of the cost, and can reach the effect that the ground was handled, and the practicality is strong.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a side section (cross section) of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a schematic front structural view of the steel pipe micro pile.
Fig. 4 is a schematic side view of a steel pipe micropile.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 2, a steel pipe micro pile and reinforced concrete foundation combined structure includes a reinforced concrete foundation formed by a steel mesh 3 embedded in a foundation 2, and a plurality of steel pipe micro piles 1 are disposed below the reinforced concrete foundation.
The pile top of the steel pipe micro pile 1 and the built-in reinforcing mesh 3 arranged in the foundation 2 are welded into a whole to form a combined structure with certain bearing capacity and anti-overturning capacity.
The steel bar mesh 3 is a net structure formed by steel bars which are uniformly and alternately arranged in the transverse direction and the longitudinal direction, and the steel pipe micro piles 1 are arranged at the staggered points of the steel bar mesh 3 one by one; at least two layers of reinforcing mesh 3 can be arranged along the thickness direction of the foundation 2, welding is carried out at the contact position of the reinforcing mesh 3 and the steel pipe micro-pile 1, and pouring is carried out together at the later stage so as to form a whole.
As shown in fig. 3 to 4, the steel pipe micropile 1 includes a steel pipe 101 having a diameter of 89 to 133mm, and the steel pipe 101 is easily obtained in an actual process; the steel pipe 101 is uniformly provided with a plurality of grouting holes 102, at least three tendons 103 with the diameter of phi 22-32mm are inserted into the steel pipe 101, grouting pipes 104 are inserted into the middle of the tendons 103, the steel pipe is pressed into the foundation through a pile driver, M30 cement paste 105 is injected through the grouting pipes, the grouting pressure is adjusted to enable the cement paste 105 to fully permeate into the surrounding rock-soil body along the grouting holes 102 on the side wall of the steel pipe 101, and then the steel pipe micro pile 1 and the surrounding rock-soil body can be stably connected together.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (6)

1. The utility model provides a steel pipe micro pile and reinforced concrete foundation integrated configuration which characterized in that: the steel pipe micro pile foundation comprises a reinforced concrete foundation which is formed by arranging a steel bar mesh (3) in a foundation (2), wherein a plurality of steel pipe micro piles (1) are arranged below the reinforced concrete foundation; the steel bar net (3) is a net structure formed by steel bars which are uniformly and alternately arranged in the transverse direction and the longitudinal direction, and the steel pipe micro piles (1) are arranged at the staggered points of the steel bar net (3) one by one.
2. The steel pipe micro pile and reinforced concrete foundation composite structure of claim 1, wherein: the pile top of the steel pipe micro pile (1) is fixedly connected with a built-in steel bar net (3) arranged in the foundation (2) in a welding mode, and the steel pipe micro pile and the built-in steel bar net are integrated through pouring.
3. The steel pipe micro pile and reinforced concrete foundation composite structure of claim 2, wherein: at least two layers of reinforcing mesh (3) are arranged along the thickness direction of the foundation (2).
4. The steel pipe micro pile and reinforced concrete foundation composite structure of claim 2, wherein: the steel pipe micro pile (1) comprises a steel pipe (101) uniformly distributed with a plurality of grouting holes (102), a steel bar bundle (103) is inserted into the steel pipe (101), a grouting pipe (104) is inserted into the middle of the steel bar bundle (103), and cement slurry (105) is injected into the grouting pipe, so that the steel pipe micro pile (1) is stably connected with surrounding rock and soil mass.
5. The steel pipe micro pile and reinforced concrete foundation composite structure of claim 4, wherein: the diameter of the steel pipe (101) is 89-133 mm.
6. The steel pipe micro pile and reinforced concrete foundation composite structure of claim 4, wherein: the steel bar bundles (103) are at least three steel bars with the diameter of 22-32mm which are uniformly distributed in the steel pipe.
CN202021577212.3U 2020-08-03 2020-08-03 Steel pipe micro pile and reinforced concrete foundation combined structure Active CN213086843U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021577212.3U CN213086843U (en) 2020-08-03 2020-08-03 Steel pipe micro pile and reinforced concrete foundation combined structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021577212.3U CN213086843U (en) 2020-08-03 2020-08-03 Steel pipe micro pile and reinforced concrete foundation combined structure

Publications (1)

Publication Number Publication Date
CN213086843U true CN213086843U (en) 2021-04-30

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Application Number Title Priority Date Filing Date
CN202021577212.3U Active CN213086843U (en) 2020-08-03 2020-08-03 Steel pipe micro pile and reinforced concrete foundation combined structure

Country Status (1)

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CN (1) CN213086843U (en)

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