A kind of anti-fall structure of concrete waist beam of retaining pile

Abstract

The utility model discloses an anti-fall structure of a concrete waist beam of a retaining pile, comprising a retaining pile, wherein a plurality of retaining piles are provided and arranged side by side; an annular steel plate is pre-buried on the outer side below the retaining pile, wherein the annular steel plate is fixedly connected to the retaining pile; a concrete waist beam is provided on one side of the retaining pile, wherein the concrete waist beam is arranged above the annular steel plate; a support is provided below the concrete waist beam, wherein the support is fixedly connected to the annular steel plate. The utility model supports and fixes the concrete waist beam by pre-buried annular steel plates below the retaining piles in conjunction with angle steel support frames provided below the concrete waist beam, wherein the annular steel plates, angle steel support frames and concrete waist beams form a complete structure on the side of the retaining piles, ensuring the connection strength among the three, thereby playing an anti-fall role, greatly increasing the safety of foundation pit retaining, and being suitable for foundation pit retaining projects.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit enclosure of construction engineering, in particular to an anti-falling structure of a concrete waist beam of an enclosure pile. Background Art

[0002] With the rapid development of urbanization, urban space is gradually optimized. There are a large number of foundation pit excavation projects in roads and municipal engineering, and the excavation of underground structures near existing buildings is increasing year by year. In order to protect the construction safety of the main structure in the foundation pit of the adjacent construction and the safety of the surrounding environment of the foundation pit to avoid landslides, it is usually necessary to set up retaining piles to reinforce the side walls of the foundation pit. Concrete waist beams are more common retaining components for large deep foundation pits, and this component is generally heavy. When the size of the concrete waist beam component is large, it is more common to use pre-buried stirrups in the retaining piles for tensioning and hanging bars to fix the concrete waist beam. However, this structure has poor safety and may cause the concrete waist beam to fall, posing a safety hazard. Summary of the invention

[0003] The utility model aims to provide an anti-falling structure for a concrete waist beam of a retaining pile to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A fall prevention structure of a concrete waist beam of a guardrail pile comprises a guardrail pile, wherein a plurality of the guardrail piles are provided and arranged side by side; an annular steel plate is pre-buried on the outer side below the guardrail pile, wherein the annular steel plate is fixedly connected to the guardrail pile; a concrete waist beam is provided on one side of the guardrail pile, wherein the concrete waist beam is arranged above the annular steel plate; a support member is provided below the concrete waist beam, wherein the support member is fixedly connected to the annular steel plate.

[0006] Preferably, a plurality of retaining pile main bars are provided in the retaining pile, wherein the plurality of retaining pile main bars form a cylindrical structure; a plurality of groups of retaining pile reinforcing bars are provided on the inner side of the retaining pile main bars, wherein a plurality of groups of retaining pile stirrups are provided on the outer side of the retaining pile main bars.

[0007] Preferably, the annular steel plate is sleeved on the outside of the stirrups of the retaining piles, wherein the annular steel plate is fixed to the stirrups of the retaining piles by welding.

[0008] Preferably, fixed steel bars are cross-arranged on the inner side of the annular steel plate, wherein the fixed steel bars are welded to the reinforcement bars of the retaining pile and the stirrups of the retaining pile respectively at one end close to the annular steel plate.

[0009] Preferably, a plurality of embedded bars are radially arranged at a position where the retaining pile is flush with the concrete waist beam, wherein one end of the embedded bar is implanted in the retaining pile and welded to the retaining pile reinforcement bar and the retaining pile stirrup, and the other end of the embedded bar is arranged in the concrete waist beam.

[0010] Preferably, the support member is an angle steel support frame, wherein one side of the angle steel support frame is fixedly connected to the annular steel plate, and the other side of the angle steel support frame is fixedly connected to the bottom of the concrete waist beam.

[0011] Preferably, a plurality of anchor bolt slots are reserved on the side of the annular steel plate close to the concrete waist beam, wherein an anchor bolt is installed in each anchor bolt slot.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model supports and fixes the concrete waist beam by pre-embedding annular steel plates under the retaining piles and cooperating with angle steel support frames arranged under the concrete waist beams, wherein the annular steel plates, angle steel support frames and concrete waist beams form a complete structure on the side of the retaining piles, ensuring the connection strength among the three, thereby playing a role in preventing falling, greatly increasing the safety of foundation pit retaining, and being suitable for foundation pit retaining projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a top view of the utility model of the anti-fall structure of the concrete waist beam of the retaining pile;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in which the retaining pile and the annular steel plate are connected;

[0015] Figure 3 It is a cross-sectional view of the utility model of the anti-falling structure of the concrete waist beam of the retaining pile.

[0016] Among them: 1. Retaining piles; 2. Annular steel plates; 3. Concrete waist beams; 4. Main reinforcement of retaining piles; 5. Reinforcing bars of retaining piles; 6. Hoop bars of retaining piles; 7. Fixed steel bars; 8. Embedded bars; 9. Angle steel support frames; 10. Anchor bolt slots; 11. Anchor bolts. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Please refer to Figures 1 to 3 To achieve the above purpose, the utility model provides the following technical solutions:

[0019] An anti-fall structure of a concrete waist beam of a guard pile includes a guard pile 1, wherein a plurality of guard piles 1 are provided and arranged side by side; an annular steel plate 2 is pre-buried on the outer side below the guard pile 1, wherein the annular steel plate 2 is fixedly connected to the guard pile 1; a concrete waist beam is provided on one side of the guard pile 1, wherein the concrete waist beam 3 is arranged above the annular steel plate 2; a support member is provided below the concrete waist beam 3, wherein the support member is fixedly connected to the annular steel plate 2. The concrete waist beam 3 is supported and fixed by pre-buried annular steel plate 2 below the guard pile 1 and coordinated with the support member provided below the concrete waist beam 3, wherein the annular steel plate 2, the support member and the concrete waist beam 3 form a triangular support structure on the side of the guard pile 1, thereby achieving an anti-fall effect and high safety.

[0020] See also Figure 2 As an embodiment of the utility model, a plurality of retaining pile main bars 4 are arranged in the retaining pile 1, wherein the plurality of retaining pile main bars 4 form a cylindrical structure; a plurality of groups of retaining pile reinforcing bars 5 are arranged on the inner side of the retaining pile main bars 4, wherein a plurality of groups of retaining pile stirrups 6 are arranged on the outer side of the retaining pile main bars 4.

[0021] In the above-described scheme, the retaining pile reinforcement 5 and the retaining pile stirrup 6 are annular structures, wherein the retaining pile reinforcement 5 and the retaining pile stirrup 6 correspond one to one; by welding multiple groups of retaining pile reinforcement 5 on the inner side of the retaining pile main reinforcement 4, and welding multiple groups of retaining pile stirrup 6 on the outer side of the retaining pile main reinforcement 4, the overall structure of the retaining pile 1 has strong rigidity and stability.

[0022] See also Figure 2 As an embodiment of the utility model, the annular steel plate 2 is sleeved on the outside of the retaining pile stirrups 6, wherein the annular steel plate 2 is welded and fixed to the retaining pile stirrups 6; fixed steel bars 7 are cross-arranged on the inside of the annular steel plate 2, wherein the fixed steel bars 7 are welded to the retaining pile reinforcement 5 and the retaining pile stirrups 6 respectively at one end close to the annular steel plate 2.

[0023] In the above-described solution, the annular steel plate 2 is supported by welding a plurality of cross-arranged fixing steel bars 7 in the retaining pile 1, thereby improving the stability and strength of the connection between the annular steel plate 2 and the retaining pile 1.

[0024] See also Figure 3 As an embodiment of the utility model, a plurality of embedded bars 8 are radially arranged at a position flush with the concrete waist beam 3 of the retaining pile 1, wherein one end of the embedded bar 8 is implanted into the retaining pile 1 and welded to the retaining pile reinforcement bar 5 and the retaining pile stirrup 6, and the other end of the embedded bar 8 extends into the concrete waist beam 3.

[0025] In the above-described scheme, the setting of the embedded reinforcement 8 can ensure the structural stability of the concrete waist beam 3 and disperse the forces exerted on the retaining pile reinforcement 5 and the retaining pile stirrups 6, thereby improving the stability of the concrete waist beam 3, strengthening the rigidity of the concrete waist beam 3, and ensuring the reliability of the connection between the concrete waist beam 3 and the retaining pile 1.

[0026] See also Figure 3 As an embodiment of the utility model, the support member is an angle steel support frame 9, wherein one side of the angle steel support frame 9 is fixedly connected to the annular steel plate 2, and the other side of the angle steel support frame 9 is fixedly connected to the bottom of the concrete waist beam 3; a plurality of anchor bolt slots 10 are reserved on the side of the annular steel plate 2 close to the concrete waist beam 3, wherein an anchor bolt 11 is respectively installed in each anchor bolt slot 10.

[0027] In the above-described scheme, the anchor bolt 11 passes through the anchor bolt groove 10 and is implanted in the retaining pile 1, wherein the anchor bolt 11 is used to fix the angle steel support frame 9 to the side wall of the annular steel plate 2, which can effectively improve the stability of the angle steel support frame 9, and support and fix the concrete waist beam 3 through the angle steel support frame 9, wherein the annular steel plate 2, the angle steel support frame 9 and the concrete waist beam 3 form a complete structure on the side of the retaining pile 1, ensuring the connection strength between the three, thereby playing a role in preventing falling and greatly increasing the safety of the foundation pit enclosure.

[0028] Although the specific embodiments of the present invention are described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications fall within the protection scope of the present invention.

Claims

1. A fall prevention structure of a retaining pile concrete waist beam, comprising a retaining pile (1), wherein a plurality of retaining piles (1) are provided and arranged side by side; characterized in that: An annular steel plate (2) is pre-buried on the outer side below the retaining pile (1), wherein the annular steel plate (2) is fixedly connected to the retaining pile (1); a concrete waist beam (3) is provided on one side of the retaining pile (1), wherein the concrete waist beam (3) is arranged above the annular steel plate (2); a support member is provided below the concrete waist beam (3), wherein the support member is fixedly connected to the annular steel plate (2).

2. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 1 is characterized in that: A plurality of retaining pile main bars (4) are arranged inside the retaining pile (1), wherein the plurality of retaining pile main bars (4) form a cylindrical structure; a plurality of groups of retaining pile reinforcing bars (5) are arranged inside the retaining pile main bars (4), wherein a plurality of groups of retaining pile stirrups (6) are arranged outside the retaining pile main bars (4).

3. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 1 is characterized in that: The annular steel plate (2) is sleeved on the outside of the reinforcement bars (6) of the retaining piles, wherein the annular steel plate (2) and the reinforcement bars (6) of the retaining piles are fixed by welding.

4. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 3 is characterized in that: Fixed steel bars (7) are cross-arranged on the inner side of the annular steel plate (2), wherein the fixed steel bars (7) are welded to the reinforcement bars (5) of the retaining pile and the stirrups (6) of the retaining pile at one end close to the annular steel plate (2).

5. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 1 is characterized in that: A plurality of embedded bars (8) are radially arranged at a position where the retaining pile (1) is flush with the concrete waist beam (3), wherein one end of the embedded bar (8) is implanted in the retaining pile (1) and welded to the retaining pile reinforcement bar (5) and the retaining pile stirrup bar (6), and the other end of the embedded bar (8) is arranged in the concrete waist beam (3).

6. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 1 is characterized in that: The support member is an angle steel support frame (9), wherein one side of the angle steel support frame (9) is fixedly connected to the annular steel plate (2), and the other side of the angle steel support frame (9) is fixedly connected to the bottom of the concrete waist beam (3).

7. The anti-fall structure of the concrete waist beam of the retaining pile according to claim 1 is characterized in that: A plurality of anchor bolt notches (10) are reserved on one side of the annular steel plate (2) close to the concrete waist beam (3), wherein an anchor bolt (11) is installed in each anchor bolt notch (10).

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