CN213329036U

CN213329036U - Partition wall that triaxial stirring stake constitutes

Info

Publication number: CN213329036U
Application number: CN202020267589.2U
Authority: CN
Inventors: 周吉林; 钟畅迁; 米向东; 范银忠; 刘峰
Original assignee: Zhuhai Shizimen Central Business District Construction Holding Co ltd
Current assignee: Zhuhai Shizimen Central Business District Construction Holding Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-06-01
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a division wall that triaxial stirring stake constitutes, its structure includes: the device comprises a continuous wall and three-axis stirring piles respectively and tightly attached to two sides of the continuous wall, wherein a half hole is drilled in the three-axis stirring pile sleeve positioned on one side of the continuous wall; and drilling a hole in the triaxial stirring pile sleeve positioned on the other side of the continuous wall. The utility model discloses from preventing that silt texture layer grooving from collapsing, the too big soil body displacement that causes of influence city rail tunnel and groundwater level change of deformation disturbance influences the stable three aspect of city rail and set out, through optimizing mud and prepare reinforcing dado ability, set up the method that triaxial stirring stake consolidates ground even wall both sides ground and effectively deal with the problem that silt texture stratum easily collapses the groove.

Description

Partition wall that triaxial stirring stake constitutes

Technical Field

The utility model belongs to the building construction field, concretely relates to partition wall that triaxial stirring stake constitutes.

Background

The triaxial mixing pile is one kind of long spiral pile machine, has three auger drilling simultaneously, and three auger drilling are under construction simultaneously during the construction, generally are used for underground continuous wall to use, are an effective form of soft foundation treatment, utilize mixing pile machine to spout cement into the soil body and fully stir, make cement and soil take place a series of physical and chemical reactions, make the soft soil induration improve foundation strength. The triaxial mixing pile in the prior art plays an important role in foundation pit support engineering, one type of pile is not inserted with section steel in the middle, and is only used for water stopping, and if soil retaining is needed, the pile is combined with other processes for application; one method is to insert H-shaped steel into the pile body of the mixing pile (commonly known as an SMW construction method), which can play a role of water stopping and can also be used as a retaining wall and is suitable for digging a foundation pit with shallow depth. Although the isolation wall structure in the prior art has a plurality of advantages, the isolation wall structure is easy to collapse in a deep muddy stratum and generate disturbance deformation, and the adaptability of the isolation wall structure to a construction environment stratum close to a tunnel is poor. With the accelerated socialization development speed in China, in the construction process of modern buildings, the supporting operation difficulty of foundation pits of high silt stratum, high underground water level and adjacent buildings is relatively high, and higher requirements are put forward for the construction of underground continuous walls.

It is therefore desirable to provide a partition wall constructed of triaxial mixing piles that overcomes at least one of the above-mentioned technical disadvantages.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that a steadiness is more excellent is provided, and waterproof nature is better, is fit for using the division wall that the triaxial stirring stake that uses on silt texture layer constitutes.

The utility model discloses a division wall that triaxial stirring stake constitutes, include: the continuous wall and the three-shaft mixing piles are respectively and tightly attached to two sides of the continuous wall; a half hole is drilled in a triaxial stirring pile sleeve positioned on one side of the continuous wall; and drilling a hole in the triaxial stirring pile sleeve positioned on the other side of the continuous wall.

Furthermore, in the environment of the sludge texture layer, the length of the three-axis stirring pile sleeved with the half holes is at least 1.5 meters, and the three-axis stirring pile is positioned below the bottom elevation of the sludge texture layer and is positioned in the sludge texture layer.

Furthermore, the length of the lower end of the triaxial mixing pile sleeved with a hole is parallel to the continuous wall.

Further, the three-axis stirring pile sleeved with the half hole is used as an inner three-axis stirring pile of the continuous wall; and the triaxial mixing pile sleeved with a hole is used as the outer triaxial mixing pile of the continuous wall.

Furthermore, the triaxial mixing pile is a double-row phi 850@600 triaxial mixing pile.

Further, the front and back of the triaxial mixing pile are overlapped by 250 mm.

Furthermore, a steel reinforcement cage is arranged in the partition wall.

Furthermore, the reinforcement cage comprises an initial-opening reinforcement cage and a closed-width reinforcement cage.

Furthermore, the reinforcement cage includes that the first width of cloth reinforcement cage is provided with the diagonal draw bar in the reinforcement cage of the closed width of cloth.

Furthermore, the connecting end of the continuous wall, which is used for being connected with the adjacent continuous wall, is provided with an I-shaped steel joint.

Above-mentioned technical scheme of the utility model, compare prior art and have following advantage:

(1) the utility model discloses from preventing that silt texture layer grooving from collapsing, the too big soil body displacement that causes of influence city rail tunnel and groundwater level change of deformation disturbance influences the stable three aspect of city rail and set out, through optimizing mud and prepare reinforcing dado ability, set up the method that triaxial stirring stake consolidates ground even wall both sides ground and effectively deal with the problem that silt texture stratum easily collapses the groove.

(2) The utility model discloses be located half hole is beaten to the triaxial stirring stake cover of continuous wall one side for implement to consolidate and protect continuous wall to building inside one side, help fixing that the continuous wall is more firm on the silt stratum, avoid taking place the grooving and collapse.

(3) The utility model discloses a being located the hole is beaten to the triaxial stirring stake cover of continuous wall opposite side, can also play the inside technological effect of stopping infiltration invasion building when implementing to consolidate and protect to the outside one side of building to continuous wall.

Drawings

Fig. 1 is a schematic structural view of a partition wall formed by the triaxial mixing piles of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic structural view of a PVC flower tube grouting pipe preset in the middle-first-width reinforcement cage of the present invention;

fig. 4 is the utility model discloses well closed width of cloth steel reinforcement cage predetermines the structural schematic diagram of PVC floral tube slip casting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the partition wall formed by the triaxial mixing piles of the present embodiment includes: the continuous wall comprises a continuous wall 100 and triaxial mixing piles 200 which are respectively and tightly attached to two sides of the continuous wall; a half hole 210 is drilled in a triaxial mixing pile sleeve positioned on one side of the continuous wall; a hole 220 is drilled in the triaxial mixing stub on the other side of the continuous wall.

Preferably, as shown in fig. 2, in one preferred embodiment of the present embodiment, in the sludge texture layer environment, the length of the three-axis mixing pile 210 sleeved with the half-hole is at least 1.5 m for being located below the bottom elevation H of the sludge texture layer and being located in the sludge texture layer.

Preferably, as shown in fig. 2, in one preferred embodiment of the present embodiment, the length of the lower end of the triaxial mixing stub 220, which is drilled with a hole, is flush with the continuous wall 100.

Preferably, in one preferred technical solution of the present embodiment, the three-axis mixing piles half-perforated are used as the inner three-axis mixing piles of the continuous wall; and the triaxial mixing pile sleeved with a hole is used as the outer triaxial mixing pile of the continuous wall.

Preferably, in one preferred technical solution of the present embodiment, the three-axis mixing pile is a double-row phi 850@600 three-axis mixing pile.

Preferably, in one preferable technical solution of the present embodiment, the three-axis mixing pile overlaps 250mm in front and back.

Preferably, in one preferable technical solution of this embodiment, a reinforcement cage is disposed inside the partition wall.

Preferably, in one preferred technical solution of this embodiment, the reinforcement cage includes the first reinforcement cages shown in fig. 3 and the closed reinforcement cage shown in fig. 4; the reinforcement cage includes that first reinforcement cages are provided with diagonal draw rib X in the reinforcement cage of width of cloth and the closed width of cloth reinforcement cage. Wherein, equally divide in steel reinforcement cage and the structure of closed width of cloth steel reinforcement cage and respectively include: an outer main rib W and an inner main rib N; and preset PVC (polyvinyl chloride) perforated pipe grouting pipes G are arranged on the first steel reinforcement cages and one side of the closed steel reinforcement cage close to the continuous wall Q.

Preferably, in one preferable technical solution of this embodiment, the connection end of the continuous wall for connecting with an adjacent continuous wall is provided with an i-steel joint. It should be noted that the structure of the above-mentioned i-steel joint is based on the prior art, so the related technical details are not further illustrated and described herein.

The utility model discloses from preventing that silt texture layer grooving from collapsing, the too big soil body displacement that causes of influence city rail tunnel and groundwater level change of deformation disturbance influences the stable three aspect of city rail and set out, through optimizing mud and prepare reinforcing dado ability, set up the method that triaxial stirring stake consolidates ground even wall both sides ground and effectively deal with the problem that silt texture stratum easily collapses the groove. Furthermore, the utility model discloses be located half hole is beaten to the triaxial stirring stake cover of continuous wall one side for implement to consolidate and protect continuous wall to building inside one side, help fixing that the continuous wall is more firm on the silt stratum, effectively avoid taking place the grooving and collapse.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a division wall that triaxial stirring stake constitutes which characterized in that includes: the continuous wall and the three-shaft mixing piles are respectively and tightly attached to two sides of the continuous wall; a reinforcement cage is arranged in the isolation wall; the reinforcement cage comprises an open-width reinforcement cage and a closed-width reinforcement cage; the reinforcement cage comprises an open-width reinforcement cage and a closed-width reinforcement cage, and diagonal reinforcements are arranged in the open-width reinforcement cage and the closed-width reinforcement cage; a half hole is drilled in a triaxial stirring pile sleeve positioned on one side of the continuous wall; and drilling a hole in the triaxial stirring pile sleeve positioned on the other side of the continuous wall.

2. The partition wall formed by the triaxial mixing piles as claimed in claim 1, wherein the triaxial mixing piles perforated with half holes are provided at least 1.5 m long for being positioned below the elevation of the bottom of the sludge texture layer in the sludge texture layer environment.

3. A partition wall formed of three-axis mixing piles as claimed in claim 2, wherein the length of the lower end of the three-axis mixing pile, which is perforated with a hole, is flush with the continuous wall.

4. A partition wall formed of triaxial mixing piles as set forth in claim 2, wherein the triaxial mixing piles half-bored are used as inner triaxial mixing piles of the continuous wall; and the triaxial mixing pile sleeved with a hole is used as the outer triaxial mixing pile of the continuous wall.

5. A partition wall formed of triaxial mixing piles as defined in claim 1, wherein said triaxial mixing piles are double row phi 850@600 triaxial mixing piles.

6. A partition wall formed by three-axis mixing piles according to claim 5, wherein the three-axis mixing piles overlap by 250mm in the front-rear direction.

7. A partition wall formed by a triaxial mixing pile according to claim 1, wherein the connecting ends of the continuous walls for connection to adjacent continuous walls are provided with i-steel joints.