CN215801660U

CN215801660U - Supporting structure for water-rich weak soil body

Info

Publication number: CN215801660U
Application number: CN202121570003.0U
Authority: CN
Inventors: 林舒; 雷雄武; 邓露发; 叶嘉彬; 卓伟枫; 李悦; 朱杨成; 林兴强
Original assignee: Guangzhou Jishi Construction Group Co ltd
Current assignee: Guangzhou Jishi Construction Group Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-11
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to the technical field of supporting structures and discloses a supporting structure for a water-rich weak soil body, which comprises a plurality of cement mixing piles, filling piles and a waterproof curtain structure, wherein the cement mixing piles are arranged in a lattice mode, the filling piles are arranged in a row and positioned on one side of the cement mixing piles, and the waterproof curtain structure is arranged on one side, far away from the cement mixing piles, of the filling piles. The supporting structure for the water-rich weak soil body has good structural reliability and water stopping performance, can better ensure the safety and stability of the foundation pit, and simultaneously provides a better water stopping effect for the foundation pit.

Description

Supporting structure for water-rich weak soil body

Technical Field

The utility model relates to the technical field of supporting structures, in particular to a supporting structure for a water-rich weak soil body.

Background

At present, a supporting structure is generally that a prestressed anchor cable is arranged between two cast-in-place piles, a net is hung between the two cast-in-place piles to spray concrete, but in a water-rich soft soil body, the soil body is loose, and the water-rich soft soil body is good in water-rich performance and permeability, the supporting effect of the supporting structure is poor, and the stability of a foundation pit is poor.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the utility model provides a supporting construction of rich water weak soil body has better reliability and stagnant water nature, guarantees the stability and the stagnant water effect of foundation ditch.

In order to achieve the purpose, the utility model provides a supporting structure for a water-rich weak soil body, which comprises a plurality of cement mixing piles, filling piles and a waterproof curtain structure, wherein the cement mixing piles are arranged in a lattice mode, the filling piles are arranged in a row and positioned on one side of the cement mixing piles, and the waterproof curtain structure is arranged on one side, far away from the cement mixing piles, of the filling piles.

Optionally, the waterproof curtain structure is a row of triaxial mixing piles.

Optionally, a supporting construction for the weak soil body of rich water still includes a plurality of spouts stake soon, and is a plurality of spout soon the stake is one row of setting, just spout soon the stake be located the bored concrete pile with between the stagnant water curtain structure.

Optionally, the supporting structure for the water-rich weak soil body further comprises a crown beam, and the crown beam is arranged above the cast-in-place pile.

Optionally, the supporting structure for the water-rich weak soil body further comprises a waist beam, and the waist beam is arranged on one side of the cast-in-place pile.

Optionally, the number of the wales is multiple, and the wales are sequentially arranged from top to bottom.

Optionally, the supporting structure for the water-rich weak soil body further comprises a jet grouting anchor cable, the anchor cable is arranged on the crown beam or the waist beam, and one end of the jet grouting anchor cable extends towards the soil body on one side, away from the cast-in-place pile, of the water-stop curtain structure.

Optionally, an included angle between the jet grouting anchor cable and the horizontal plane is 35 °.

The embodiment of the utility model provides a supporting structure for a water-rich weak soil body, which has the following beneficial effects compared with the prior art:

the supporting structure for the water-rich soft soil body comprises a plurality of cement mixing piles, filling piles and a waterproof curtain structure, wherein the cement mixing piles are arranged in a lattice mode, the filling piles are arranged in a row and located on one side of the cement mixing piles, and the waterproof curtain structure is arranged on one side, away from the cement mixing piles, of the filling piles. Through such structure, supporting construction has good structural reliability and stagnant water nature, assurance foundation ditch safety and stability that can be better, provides better stagnant water effect for the foundation ditch simultaneously.

Drawings

FIG. 1 is a top view of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

In the figure, 1, a cement mixing pile; 2. filling piles; 3. a waterproof curtain structure; 4. carrying out jet grouting pile; 5. a crown beam; 6. a wale; 7. and (5) spraying the anchor cable in a rotating mode.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a supporting structure for a water-rich weak soil body according to a preferred embodiment of the present invention includes a plurality of cement mixing piles 1, filling piles 2 and a waterproof curtain structure 3, wherein the plurality of cement mixing piles 1 are arranged in a lattice manner, the filling piles 2 are arranged in a row and located at one side of the cement mixing piles 1, and the waterproof curtain structure 3 is located at one side of the filling piles 2 away from the cement mixing piles 1. The lattice arrangement of the cement mixing piles 1 is described from the top view, and the structure can reinforce the strength of the water-rich weak soil body. The outer diameter of the cement mixing pile 1 is 550 mm. The cast-in-place pile 2 is a rotary digging cast-in-place pile 2, and the outer diameter is 1200 mm. Through such structure, supporting construction has good structural reliability and stagnant water nature, assurance foundation ditch safety and stability that can be better, provides better stagnant water effect for the foundation ditch simultaneously.

In this embodiment, the waterproof curtain structure 3 is a row of three-axis stirring piles. The outer diameter of the triaxial mixing pile is 850 mm.

In addition, the supporting construction for the soft soil body of rich water of this embodiment still includes a plurality of jet grouting piles 4, and a plurality of jet grouting piles 4 are one row of setting, and jet grouting pile 4 is located between bored concrete pile 2 and waterproof curtain structure 3. The jet grouting pile 4 is a double-pipe jet grouting pile 4, the water stopping effect can be improved, and the outer diameter of the jet grouting pile 4 is 800 mm.

Referring to fig. 2, the supporting structure for a water-rich weak soil body of the present embodiment further includes a crown beam 5, and the crown beam 5 is disposed above the cast-in-place pile 2. The cast-in-place pile further comprises a wale 6, wherein the wale 6 is arranged on one side of the cast-in-place pile 2. The arrangement of the crown beam 5 and the wale 6 can enhance the stability of the structure. The number of the wales 6 is plural, and the plural wales 6 are sequentially arranged from top to bottom. In this embodiment, the number of the wales 6 is 3. The waterproof curtain structure is characterized by further comprising a jet grouting anchor cable 7, the anchor cable is arranged on the crown beam 5 or the waist beam 6, and one end of the jet grouting anchor cable 7 extends towards a soil body on one side, away from the filling pile 2, of the waterproof curtain structure 3. Through the arrangement of the jet grouting anchor cable 7, the bearing capacity of the supporting structure can be improved, and the problems that the foundation pit supporting structure is difficult to pull outwards and the hole is easy to collapse during construction under the water-rich weak soil body geological condition are solved. In this embodiment, the included angle between the jet grouting anchor cable 7 and the horizontal plane is 35 °, and the outer diameter of the jet grouting anchor cable 7 is 350 mm.

In summary, the embodiment of the utility model provides a supporting structure for a water-rich weak soil body, which has good structural reliability and water stopping performance, can better ensure the safety and stability of a foundation pit, and simultaneously provides a better water stopping effect for the foundation pit.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a supporting construction for rich water weak soil body, its characterized in that, includes a plurality of cement stirring stake, bored concrete pile and stagnant water curtain structure, and is a plurality of the cement stirring stake is the lattice formula and arranges, the bored concrete pile is one row of arranging and is located one side of cement stirring stake, stagnant water curtain structure set up in the bored concrete pile is kept away from one side of cement stirring stake.

2. The supporting structure for a water-rich weak soil body according to claim 1, wherein the waterproof curtain structure is a triaxial mixing pile arranged in a row.

3. The supporting structure for a water-rich soft soil body according to claim 1, further comprising a plurality of jet grouting piles arranged in a row between the cast-in-place pile and the waterproof curtain structure.

4. The supporting structure for a water-rich weak soil body as claimed in claim 1, further comprising a crown beam disposed above the cast-in-place pile.

5. The supporting structure for a water-rich weak soil body as claimed in claim 4, further comprising a wale provided at one side of the cast-in-place pile.

6. The supporting structure for a water-rich weak soil body as claimed in claim 5, wherein the number of the wales is plural, and the plural wales are arranged in this order from top to bottom.

7. The supporting structure for the water-rich weak soil body as claimed in claim 5, further comprising a jet grouting anchor rope, wherein the anchor rope is arranged on the crown beam or the wale, and one end of the jet grouting anchor rope extends towards the soil body on the side of the waterproof curtain structure away from the cast-in-place pile.

8. The supporting structure for a water-rich weak soil body as claimed in claim 7, wherein the angle between the jet grouting anchor rope and the horizontal plane is 35 °.