CN220335919U

CN220335919U - Foundation pit supporting structure

Info

Publication number: CN220335919U
Application number: CN202323436248.6U
Authority: CN
Inventors: 王夺
Original assignee: Shen Kan Engineering and Technology Corp of MCC
Current assignee: Shen Kan Engineering and Technology Corp of MCC
Priority date: 2023-12-18
Filing date: 2023-12-18
Publication date: 2024-01-12
Anticipated expiration: 2033-12-18

Abstract

The utility model relates to the technical field of earthwork, in particular to a foundation pit supporting structure, which comprises a plurality of column piles which are vertically and fixedly arranged at the bottom of a foundation pit and are arranged at equal intervals along the length direction of the foundation pit, wherein a retaining plate is fixedly arranged between the column piles and the slope of the foundation pit, backfill soil is fixedly arranged between the retaining plate and the slope of the foundation pit, a plurality of anchor piles which are in one-to-one correspondence with the plurality of column piles are fixedly arranged at the top of the foundation pit, a horizontal plate is fixedly arranged at the top of the anchor piles, a reinforcing plate is fixedly arranged at the lower surface of the horizontal plate and at one side of the anchor piles away from the retaining plate, an anchor rope is fixedly arranged between the reinforcing plate and the top of the column piles, and a level meter is fixedly arranged at the upper surface of the horizontal plate. According to the utility model, the anchor pile is directly inserted into the top of the foundation pit, the construction is simple, the anchor pile is easy to detach, whether the anchor pile is in a vertical state can be judged by observing the level meter, the inclination of the anchor pile indicates that the column pile has moved into the pit, and early warning is provided for foundation pit collapse.

Description

Foundation pit supporting structure

Technical Field

The utility model relates to the technical field of earthwork, in particular to a foundation pit supporting structure.

Background

The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment.

The Chinese patent document CN208039270U discloses a foundation pit supporting structure for hydraulic engineering, and the horizontal traction force is provided by the anchor piles and the pull ropes to prevent the pile from being stressed too much, but the pull ropes need to horizontally penetrate through the top of the foundation pit, so that the construction difficulty is high.

Chinese patent document CN219951972U discloses a foundation pit supporting structure for civil construction, and this patent provides horizontal traction through anchor stake and rope and prevents that the post from atress too big, but the anchor stake needs the slope of inserting the foundation pit, needs staff to climb slope construction, has certain danger. In addition, the baffle is usually made of steel, wood and bamboo, ropes pass through the steel baffle and need to be drilled in extra operation, so that the cost is high, and the service life of the baffle can be shortened when the baffle is drilled in wood or bamboo.

Disclosure of Invention

The utility model aims to provide a foundation pit supporting structure for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a foundation ditch supporting construction, includes the perpendicular fixed pit bottom of locating the foundation ditch and along the equidistant a plurality of stake that sets up of foundation ditch length direction, the stake with fixed being equipped with the retaining plate between the slope of foundation ditch, the retaining plate with fixed being equipped with the backfill between the slope of foundation ditch, the fixed a plurality of anchor stake that is equipped with and a plurality of stake one-to-one in top of foundation ditch, the top of anchor stake stretches out the foundation ditch and fixed be equipped with the horizontal plate, the lower surface of horizontal plate just is located the anchor stake is kept away from the fixed reinforcing plate that is equipped with in one side of retaining plate, the reinforcing plate with fixed anchor rope that is equipped with between the top of stake, the upper surface fixing of horizontal plate is equipped with the spirit level.

Optionally, the reinforcing plate is fixedly provided with a first anchor, the first anchor is located between two adjacent anchor piles, the top of the column pile is fixedly provided with a second anchor, and the first anchor and the second anchor are respectively fixedly connected with two ends of the anchor cable.

Optionally, the horizontal distance between the anchor pile and the column pile is 1.0-1.2m.

Optionally, a plurality of steel plates arranged along the longitudinal direction are arranged between two adjacent column piles, each steel plate comprises a minor arc section, and the two major arc sections are respectively fixedly arranged at two ends of the minor arc section in the length direction and sleeved outside the column piles;

the convex center of the minor arc section is abutted with the soil retaining plate, the outer wall of the major arc section is abutted with the soil retaining plate, and the joint of the minor arc section and the major arc section is in arc transition.

Optionally, the upper surface of the steel plate positioned at the highest layer is higher than the upper surface of the backfill soil, and the lower surface of the steel plate positioned at the lowest layer stretches into the pit bottom of the foundation pit.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the anchor pile is directly inserted into the top of the foundation pit, the construction is simple, the anchor pile is easy to detach, whether the anchor pile is in a vertical state or not can be judged by observing the level meter, the inclination of the anchor pile indicates that the column pile has moved into the pit, and early warning is provided for foundation pit collapse;

2. according to the utility model, the horizontal load on the retaining plate is shared by the minor arc sections with the arch structures, so that the retaining plate is improved to protect the foundation pit, and after the retaining plate is damaged, the wall body formed by the steel plates arranged longitudinally can continuously provide protection for the foundation pit.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a plan view of the pile, the soil guard plate and the steel plate according to the present utility model.

In the figure: 1. a foundation pit; 2. a column pile; 3. a soil retaining plate; 4. backfilling soil; 5. an anchor pile; 6. a horizontal plate; 7. a reinforcing plate; 8. an anchor cable; 9. a level gauge; 10. a first anchor; 11. a second anchor; 12. a steel plate; 13. a minor arc segment; 14. and (5) a preferred arc section.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 and 2, the present utility model provides a foundation pit supporting structure, which comprises a plurality of piles 2 vertically fixed at the bottom of a foundation pit 1 and arranged at equal intervals along the length direction of the foundation pit 1, wherein a retaining plate 3 is fixedly arranged between the piles 2 and the slope of the foundation pit 1, and backfill 4 is fixedly arranged between the retaining plate 3 and the slope of the foundation pit 1. The top of the foundation pit 1 is fixedly provided with a plurality of anchor piles 5 which are in one-to-one correspondence with the plurality of column piles 2, and the horizontal distance between the anchor piles 5 and the column piles 2 is 1.0-1.2m. The top of the anchor pile 5 extends out of the foundation pit 1 and is fixedly connected with a horizontal plate 6 through bolts, and the upper surface of the horizontal plate 6 is fixedly provided with a level meter 9. The lower surface of the horizontal plate 6 and the side of the anchor pile 5 far away from the retaining plate 3 are fixedly provided with a reinforcing plate 7, the reinforcing plate 7 is made of steel plates, an anchor rope 8 is fixedly arranged between the reinforcing plate 7 and the top of the column pile 2, the reinforcing plate 7 is fixedly provided with a first anchor 10, the first anchor 10 is positioned between two adjacent anchor piles 5, the top of the column pile 2 is fixedly provided with a second anchor 11, and the first anchor 10 and the second anchor 11 are fixedly connected with two ends of the anchor rope 8 respectively.

According to the utility model, horizontal traction is provided for the pile 2 through the anchor piles 5 and the anchor cables 8, so that the pile 2 is prevented from being stressed too much, the protection of the retaining plate 3 on the foundation pit 1 is improved, the anchor piles 5 are directly inserted into the top of the foundation pit 1, the construction is simple, the anchor piles 5 are easy to detach, whether the anchor piles 5 are in a vertical state can be judged by observing the level meter 9, the occurrence of inclination of the anchor piles 5 indicates that the pile 2 has moved into the pit, and early warning is provided for collapse of the foundation pit 1.

On the basis of the embodiment, a plurality of steel plates 12 are arranged between two adjacent posts 2 along the longitudinal direction, the upper surface of the steel plate 12 positioned at the highest layer is higher than the upper surface of the backfill 4, and the lower surface of the steel plate 12 positioned at the lowest layer stretches into the pit bottom of the foundation pit 1. The steel plate 12 comprises a minor arc section 13, and two major arc sections 14 which are respectively fixedly arranged at two ends of the minor arc section 13 in the length direction and sleeved outside the pile 2. The convex center of the minor arc section 13 is abutted with the soil retaining plate 3, the outer wall of the excellent arc section 14 is abutted with the soil retaining plate 3, the minor arc section 13 and the excellent arc section 14 are integrally formed, and the joint of the minor arc section 13 and the excellent arc section 14 is in arc transition. According to the utility model, the horizontal load on the soil-retaining plate 3 is shared by the minor arc sections 13 with the arch structures, so that the protection of the soil-retaining plate 3 to the foundation pit 1 is improved, the soil-retaining plate 3 is made of wood or bamboo, and after the soil-retaining plate 3 is damaged, the wall body formed by the steel plates 12 arranged longitudinally can continue to provide protection for the foundation pit 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch supporting construction, includes perpendicular fixed a plurality of stake (2) of locating the hole bottom of foundation ditch (1) and equidistant setting along foundation ditch (1) length direction, stake (2) with fixed be equipped with between the slope of foundation ditch (1) and keep off soil board (3), keep off soil board (3) with fixed backfill (4) that are equipped with between the slope of foundation ditch (1), its characterized in that: the top of foundation ditch (1) is fixed be equipped with a plurality of stake (5) of stake (2) one-to-one, stretch out at the top of stake (5) foundation ditch (1) and fixed be equipped with horizontal plate (6), the lower surface of horizontal plate (6) just be located stake (5) are kept away from one side of retaining plate (3) is fixed be equipped with reinforcing plate (7), reinforcing plate (7) with fixed be equipped with anchor rope (8) between the top of stake (2), the last fixed surface of horizontal plate (6) is equipped with spirit level (9).

2. The foundation pit supporting structure of claim 1, wherein: the reinforcing plate (7) is fixedly provided with a first anchor (10), the first anchor (10) is positioned between two adjacent anchor piles (5), the top of each column pile (2) is fixedly provided with a second anchor (11), and the first anchor (10) and the second anchor (11) are respectively fixedly connected with two ends of each anchor rope (8).

3. The foundation pit supporting structure of claim 1, wherein: the horizontal distance between the anchor piles (5) and the column piles (2) is 1.0-1.2m.

4. The foundation pit supporting structure of claim 1, wherein: a plurality of steel plates (12) which are longitudinally arranged are arranged between two adjacent posts (2), each steel plate (12) comprises a minor arc section (13), and two major arc sections (14) which are respectively fixedly arranged at two ends of the minor arc sections (13) in the length direction and are sleeved outside the posts (2);

the convex center of the minor arc section (13) is abutted with the soil retaining plate (3), the outer wall of the major arc section (14) is abutted with the soil retaining plate (3), and the joint of the minor arc section (13) and the major arc section (14) is in arc transition.

5. The foundation pit supporting structure of claim 4, wherein: the upper surface of the steel plate (12) positioned at the highest layer is higher than the upper surface of the backfill soil (4), and the lower surface of the steel plate (12) positioned at the lowest layer stretches into the pit bottom of the foundation pit (1).