CN210315584U

CN210315584U - Foundation pit supporting mechanism

Info

Publication number: CN210315584U
Application number: CN201921059560.9U
Authority: CN
Inventors: 李发庆
Original assignee: Guangdong Hongjun Construction Engineering Co Ltd
Current assignee: Guangdong Hongjun Construction Engineering Co Ltd
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-04-14
Anticipated expiration: 2029-07-06

Abstract

The utility model relates to a foundation pit supporting mechanism, its including set up in the corner fender pile of foundation ditch corner department with set up respectively in the wall-forming fender pile of corner fender pile both sides, be provided with anchor structure on the wall-forming fender pile, anchor structure includes stock and anchorage, the anchorage contradict in the outer wall of wall-forming fender pile, the one end of stock is passed wall-forming fender pile is in order to stretch into the foundation ditch rock stratum, the other end fixed connection of stock in the anchorage, be provided with the consolidated structure on the corner fender pile, the consolidated structure include with the first clamp plate of corner fender pile conflict and with the second clamp plate of wall-forming fender pile conflict, the equal fixedly connected with in both ends of first clamp plate the second clamp plate, the second clamp plate compress tightly in the anchorage with between the wall-forming fender pile. The utility model has the advantages of improve a retaining wall corner stability.

Description

Foundation pit supporting mechanism

Technical Field

The utility model belongs to the technical field of the technique of excavation supporting and specifically relates to a excavation supporting mechanism is related to.

Background

The most common foundation pit engineering is to adopt a surrounding structure of a cast-in-situ bored pile and then to add a rock stratum anchor rod for assistance. In the actual construction process, firstly, workers form pile holes in foundation soil by means of mechanical drilling and the like on the edge lines of a foundation pit to be excavated, then steel reinforcement cages are placed in the pile holes, concrete is poured to form support piles, support walls are attached between the support piles and the support piles to separate the inner space of the foundation pit from rock strata outside the foundation pit.

The existing foundation pit supporting structure factory adopts a method of applying prestress by using an anchor rod to anchor the anchor rod in a foundation pit rock mass for reinforcing a side slope. However, referring to fig. 1, a common foundation pit is polygonal, wall-forming support piles 1 are connected to form a support wall to resist lateral shear force from a rock formation, and corner support piles 2 located at corners are subject to lateral shear force from two directions, so that the corners of the support wall are easily damaged, and the overall stability of the support wall may be seriously affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foundation ditch supporting mechanism has the advantage that improves the stability of a retaining wall corner.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a foundation pit supporting mechanism, including set up in the corner fender pile of foundation ditch corner department with set up respectively in the wall-forming fender pile of corner fender pile both sides, be provided with anchor structure on the wall-forming fender pile, anchor structure includes stock and anchor block, the anchor block contradict in the outer wall of wall-forming fender pile, the one end of stock is passed wall-forming fender pile is in order to stretch into the foundation ditch rock stratum, the other end fixed connection of stock in the anchor block, be provided with the pressure structure on the corner fender pile, the pressure structure include with the first clamp plate of corner fender pile conflict and with the second clamp plate of wall-forming fender pile conflict, the equal fixedly connected with in both ends of first clamp plate the second clamp plate, the second clamp plate compress tightly in the anchor block with between the wall-forming fender pile.

Through adopting above-mentioned technical scheme, the anchor socket compresses tightly the second clamp plate so that the rigidity of second clamp plate on the wall-forming fender pile to fixed position between first clamp plate and the corner fender pile, from this, make the wall-forming fender pile further compressed tightly in the foundation ditch lateral wall, improved the stability of wall-forming corner.

The utility model discloses further set up to: the first pressing plate faces one side of the corner support pile and is arranged in an arc shape, and the arc-shaped face of the first pressing plate faces away from the direction of the corner support pile.

Through adopting above-mentioned technical scheme, first clamp plate is the arc setting towards one side of corner fender pile so that first clamp plate and the laminating of corner fender pile for pressure that first clamp plate was exerted on the corner fender pile can evenly distributed, avoids the conflict position of corner fender pile and first clamp plate to damage because of pressure is too big.

The utility model discloses further set up to: one side of the second pressing plate, facing the wall-forming support pile, is arc-shaped, and the arc-shaped side of the second pressing plate faces away from the wall-forming support pile.

Through adopting above-mentioned technical scheme, the second clamp plate is the arc setting towards one side of becoming wall fender pile so that the second clamp plate with become the laminating of wall fender pile for the pressure that the second clamp plate was applyed on becoming wall fender pile can evenly distributed, avoids the conflict position of becoming wall fender pile and second clamp plate to damage because of pressure is too big.

The utility model discloses further set up to: one side of the anchor block facing the wall-forming support pile is arc-shaped, and the arc-shaped orientation of the side of the anchor block is the same as that of the second pressing plate.

Through adopting above-mentioned technical scheme, the anchor socket is the arc setting towards one side of becoming wall fender pile so that anchor socket and second clamp plate laminating to compress tightly the second clamp plate on becoming wall fender pile, make pressure between anchor socket and the second clamp plate can evenly distributed, avoid the conflict position of anchor socket and second clamp plate to damage because of pressure is too big.

The utility model discloses further set up to: the anchor rod slopes down in order to install in the foundation ditch rock stratum, one side that the anchor block deviates from become wall fender pile slopes down along the direction of keeping away from the foundation ditch rock stratum.

Through adopting above-mentioned technical scheme, the anchor rod slope installation is in order to strengthen the cohesiveness of foundation ditch rock stratum, and one side slope that the anchor socket deviates from the wall-forming support pile sets up so that the installation of anchor rod.

The utility model discloses further set up to: and the inclination angle of one side of the anchor seat, which deviates from the wall-forming support pile, is the same as that of the inclination angle box of the anchor rod.

Through adopting above-mentioned technical scheme, the anchor socket deviates from one side inclination of wall-forming fender pile and the inclination of stock so that the installation of stock.

The utility model discloses further set up to: and reinforcing ribs are arranged at the joints of the second pressing plate and the first pressing plate and are positioned on one sides departing from the corner support piles and the wall-forming support piles.

Through adopting above-mentioned technical scheme, the setting of strengthening rib has effectively improved the joint strength of first clamp plate and second clamp plate, has prolonged the life of pressing solid structure.

The utility model discloses further set up to: the second pressing plate and the first pressing plate are integrally formed.

Through adopting above-mentioned technical scheme, be convenient for press the production installation and the use of solid structure.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the anchoring structure enhances the cohesiveness of the rock stratum of the foundation pit, so that the bearing capacity of the rock stratum body is greatly enhanced, the shearing force of the rock stratum of the foundation pit on the wall-forming support piles and the corner support piles is reduced, and the service life of the foundation pit supporting mechanism is prolonged;

2. the setting of structure is consolidated for the anchor socket compresses tightly the second clamp plate in forming wall fender pile in order to compress tightly first clamp plate in corner fender pile, provides the extrusion force of a orientation foundation ditch rock stratum to corner fender pile from this, with the stability that improves a retaining wall corner.

Drawings

FIG. 1 is a top view of a foundation pit retaining wall;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the installation structure of the present invention;

FIG. 4 is a schematic structural view of a press-bonding structure;

fig. 5 is a schematic structural view of the anchoring structure.

In the figure, 1, corner support piles; 2. forming a wall and supporting piles; 3. an anchoring structure; 31. an anchor rod; 32. an anchor block; 4. pressing and fixing the structure; 41. a first platen; 42. a second platen; 43. and (5) reinforcing ribs.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Refer to 2 and fig. 3, do the utility model discloses a foundation ditch supporting mechanism, including setting up in the corner fender pile 1 of foundation ditch corner and setting up respectively in the one-wall fender pile 2 of corner fender pile 1 both sides. Be provided with anchor structure 3 on the ready wall fender pile 2, be provided with on the corner fender pile 1 and press solid structure 4, anchor structure 3 cooperation press solid structure 4 is in order to compress tightly corner fender pile 1 in the foundation ditch rock stratum.

Referring to fig. 3 and 5, the anchoring structure 3 includes a rock bolt 31 and an anchor seat 32. One end of the anchor rod 31 passes through the wall-forming support pile 2 and is inclined downward to extend into and be anchored to the foundation pit strata. The tension of the anchor rods 31 acts on the foundation pit strata to enhance the cohesiveness of the foundation pit strata. The other end of the anchor rod 31 is fixedly connected to the anchor base 32. The anchor rods 31 are located on the side of the wall-forming support piles 2 facing away from the foundation pit rock stratum. Anchor bed 32 contradicts in the outer wall of one-wall fender pile 2, and anchor bed 32 is the arc setting towards one side of one-wall fender pile 2 so that anchor bed 32 and one-wall fender pile 2 laminating, and the arc orientation of this side of anchor bed 32 is kept away from the direction of one-wall fender pile 2. The side of the anchor foot 32 facing away from the wall-forming piles 2 is inclined downwardly in a direction away from the foundation strata. The inclination angle of the anchor base 32 on the side facing away from the wall-forming support pile 2 is the same as the inclination angle box of the anchor rod 31 to facilitate the installation of the anchor rod 31.

Referring to fig. 3 and 4, the press-fixing structure 4 includes a first press plate 41 abutting against the corner support pile 1 and a second press plate 42 abutting against the wall-forming support pile 2, and the second press plate 42 is fixedly connected to both ends of the first press plate 41. The joint of the second pressing plate 42 and the first pressing plate 41 is provided with a reinforcing rib 43 to improve the connection strength of the first pressing plate 41 and the second pressing plate 42, and the reinforcing rib 43 is positioned on the side away from the corner support piles 1 and the wall-forming support piles 2. Preferably, the first presser plate 41, the second presser plate 42 and the reinforcing ribs 43 are integrally formed.

Further, one side of the first pressing plate 41 facing the corner support piles 1 is arc-shaped, so that the first pressing plate 41 is attached to the corner support piles 1, and the arc-shaped side of the first pressing plate 41 faces a direction away from the corner support piles 1.

The second pressing plate 42 is pressed between the anchor block 32 and the wall-forming support piles 2. Preferably, the anchor rods 31 pass through the second pressure plate 42 to compress the anchor mounts 32 against the second pressure plate 42. One side of the second pressing plate 42 facing the wall-forming support pile 2 is arc-shaped so that the second pressing plate 42 is attached to the wall-forming support pile 2. The arc of the side of second pressure plate 42 faces away from the wall forming pile 2 and the arc curvature of the side of second pressure plate 42 is the same as the arc curvature of anchor seat 32 towards the side of wall forming pile 2.

The implementation principle of the embodiment is as follows: the anchor bed 32 presses the second pressing plate 42 against the wall-forming support pile 2 to press the second pressing plate 42 against the wall-forming support pile 2, so that the first pressing plate 41 is pressed against the corner support pile 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a foundation pit supporting mechanism, including set up in corner fender pile (1) of foundation pit corner and set up respectively in become wall fender pile (2) of corner fender pile (1) both sides, be provided with anchor structure (3) on becoming wall fender pile (2), anchor structure (3) include stock (31) and anchor block (32), anchor block (32) contradict in become the outer wall of wall fender pile (2), the one end of stock (31) is passed become wall fender pile (2) in order to stretch into the foundation pit rock stratum, the other end fixed connection of stock (31) in anchor block (32), its characterized in that: the corner support pile is characterized in that a compaction structure (4) is arranged on the corner support pile (1), the compaction structure (4) comprises a first pressing plate (41) and a second pressing plate (42), the first pressing plate (41) is abutted against the corner support pile (1), the second pressing plate (42) is abutted against the wall forming support pile (2), two ends of the first pressing plate (41) are fixedly connected with the second pressing plate (42), and the second pressing plate (42) is tightly pressed between the anchor seat (32) and the wall forming support pile (2).

2. A retaining and retaining mechanism for a foundation pit according to claim 1, wherein: one side of the first pressing plate (41) facing the corner support piles (1) is arc-shaped, and the arc-shaped side of the first pressing plate (41) faces the direction far away from the corner support piles (1).

3. A retaining and retaining mechanism for a foundation pit according to claim 1, wherein: one side of the second pressing plate (42) facing the wall-forming support pile (2) is arc-shaped, and the arc-shaped side of the second pressing plate (42) faces away from the wall-forming support pile (2).

4. A retaining and retaining mechanism for a foundation pit according to claim 3, wherein: one side of the anchor seat (32) facing the wall-forming support pile (2) is arc-shaped, and the arc-shaped orientation of the side of the anchor seat (32) is the same as that of the second pressing plate (42).

5. A retaining and retaining mechanism for a foundation pit according to claim 1, wherein: the anchor rod (31) inclines downwards to be installed on a foundation pit rock stratum, and one side of the anchor seat (32) departing from the wall-forming support pile (2) inclines downwards along a direction far away from the foundation pit rock stratum.

6. A retaining and retaining mechanism for a foundation pit according to claim 5, wherein: the inclination angle of one side of the anchor seat (32) departing from the wall-forming support pile (2) is the same as the inclination angle box of the anchor rod (31).

7. A retaining and retaining mechanism for a foundation pit according to claim 1, wherein: and reinforcing ribs (43) are arranged at the joint of the second pressing plate (42) and the first pressing plate (41), and the reinforcing ribs (43) are positioned on one side departing from the corner support piles (1) and the wall forming support piles (2).

8. A retaining and retaining mechanism for a foundation pit according to claim 1, wherein: the second pressing plate (42) and the first pressing plate (41) are integrally formed.