Soft foundation reinforcing structure
By designing reinforcement structures of side reinforcement seats, upper and lower reinforcement strips, embedded bolts, anchor rods and threaded fastening sleeves on weak foundations, the problem of insufficient reinforcement of weak foundations in the prior art is solved, and effective reinforcement of the side walls and corners of the foundation pit body is achieved, ensuring the safety of building construction.
Patent Information
- Application Number
- CN202421385359.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing weak foundation reinforcement structure is insufficiently reinforced at the side walls and corners of the foundation pit body, which can easily lead to collapse and deformation, affecting the safety of building construction.
A reinforcement structure including side reinforcement seats, upper and lower reinforcement strips, embedded bolts, anchor rods and threaded fastening sleeves is designed. The side reinforcement seats and anchor rods are fully reinforced on the weak foundation, thereby improving the reinforcement strength at the side walls and corners of the foundation pit body.
It effectively improves the reinforcement of the side walls and corners of the foundation pit body on the weak foundation, avoids collapse and deformation, and ensures the safety of construction.
Smart Images
Figure CN222810026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of soft foundation reinforcement, in particular to a soft foundation reinforcement structure. Background Art
[0002] A soft foundation refers to a foundation composed of soil layers with low bearing capacity and high compressibility, which is generally made of saturated clay. The soft foundation has a high water content and high porosity. Therefore, when subjected to pressure loads from above, the soft foundation itself is prone to shear failure, leading to settlement of the soft foundation.
[0003] When the building is in use, when the pre-buried foundation pit is dug by equipment, if the foundation of the pre-buried foundation pit is a soft foundation, it is necessary to reinforce the foundation pit of the soft foundation material to ensure the safety of the subsequent construction.
[0004] At present, the existing foundation pit body reinforcement structure for soft foundation materials has weak reinforcement of the side walls of the foundation pit body, which is prone to collapse. In addition, the existing foundation pit body reinforcement structure for soft foundation materials has reduced reinforcement for the 90-degree corners of the foundation pit body, which will cause deformation of the 90-degree corners of the foundation pit body of the soft foundation material, affecting the later construction.
[0005] The above problems are widespread and urgently need to be improved. Utility Model Content
[0006] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a soft foundation reinforcement structure.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A soft foundation reinforcement structure is designed, including a soft foundation, a foundation pit body is arranged in the soft foundation, side walls of the foundation pit body are provided with side reinforcement seats, upper corner plates and lower corner plates are arranged at the corners of the foundation pit body, anchor rods are inserted on the upper corner plates and lower corner plates, upper reinforcement strips and lower reinforcement strips are arranged on the side reinforcement seats, upper pre-embedded bolts are arranged on the upper reinforcement strips, lower pre-embedded bolts are arranged on the lower reinforcement strips, anti-stripping and threaded fastening sleeves are arranged on the anchor rods, full-welded through holes are arranged on the upper corner plate, grouting holes are arranged on the threaded fastening sleeves, upper nuts are arranged on the upper pre-embedded bolts, and lower nuts are arranged on the lower pre-embedded bolts.
[0009] Furthermore, the side reinforcement seat is a triangular structure as a whole and is in close contact with the side wall of the foundation pit body, and the side reinforcement seat is made of hard alloy steel.
[0010] Furthermore, the upper embedded bolts and the lower embedded bolts are both embedded in the soft foundation, the upper embedded bolts pass through the upper reinforcement strip and are threadedly connected to the upper nut, and the lower embedded bolts pass through the lower reinforcement strip and are threadedly connected to the lower nut.
[0011] Furthermore, the upper reinforcement strip and the lower reinforcement strip are both long strip structures and are fixedly welded to the side reinforcement seat, the upper embedded bolts and upper nuts are a group and there are eleven groups arranged in total, and the lower embedded bolts and lower nuts are a group and there are eleven groups arranged in total.
[0012] Furthermore, the anchor rod vertically passes through the upper corner plate and the lower corner plate, the lower part of the anchor rod is pre-buried in the soft foundation, and the anti-stripping thorns are arranged vertically in three groups, each group of which is four arranged in a circle.
[0013] Furthermore, the threaded fastening sleeve is threadedly connected to the anchor rod, and the grouting hole vertically passes through the threaded fastening sleeve.
[0014] Furthermore, the side walls of the side reinforcement seat are respectively provided with an upper welding block and a lower welding block, the upper welding block is fixedly welded to the upper corner plate, and the lower welding block is fixedly welded to the lower corner plate.
[0015] The utility model proposes a soft foundation reinforcement structure, which has the following beneficial effects:
[0016] 1. The utility model arranges a side reinforcement seat on the side wall of the foundation pit body on the soft foundation, arranges an upper reinforcement strip and a lower reinforcement strip on the side reinforcement seat, and arranges a plurality of upper embedded bolt structures on the upper reinforcement strip, and arranges a plurality of lower embedded bolt structures on the lower reinforcement strip, thereby achieving overall effective and comprehensive reinforcement of the side wall of the foundation pit body on the soft foundation, thereby improving the reinforcement of the side wall of the foundation pit body on the soft foundation.
[0017] 2. The utility model arranges upper and lower corner plates at the corners of the foundation pit body on the soft foundation, and symmetrically arranges anchor rods with threaded fastening sleeves and anti-stripping thorns, and at the same time arranges a grouting hole structure on the threaded fastening sleeve, and arranges full-welded through holes on the upper corner plate, thereby improving the overall reinforcement strength of the corner part of the foundation pit body on the soft foundation, avoiding deformation of the ninety-degree corner part and affecting the later construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0019] Figure 2 For the utility model Figure 1 A partial enlarged view of the middle part;
[0020] Figure 3It is a schematic diagram of the overall structure of the utility model from top view;
[0021] Figure 4 For the utility model Figure 3 Partial cross-section of the front view at B in the middle;
[0022] Figure 5 For the utility model Figure 3 A partial enlarged view of point B in the middle.
[0023] In the figure: 1 soft foundation; 11 foundation pit body; 2 side reinforcement seat; 21 upper welding block; 22 lower welding block; 3 upper reinforcement strip; 31 upper embedded bolt; 32 upper nut; 4 lower reinforcement strip; 41 lower embedded bolt; 42 lower nut; 5 upper corner plate; 51 full welded through hole; 6 lower corner plate; 7 anchor rod; 71 anti-stripping thorn; 8 threaded fastening sleeve; 81 grouting hole. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0025] Reference Figure 1-5 A soft foundation reinforcement structure comprises a soft foundation 1, a foundation pit body 11 is arranged in the soft foundation 1, a side reinforcement seat 2 is arranged on the side wall of the foundation pit body 11, an upper corner plate 5 and a lower corner plate 6 are arranged at the corners of the foundation pit body 11, an anchor rod 7 is inserted on the upper corner plate 5 and the lower corner plate 6, an upper reinforcement strip 3 and a lower reinforcement strip 4 are arranged on the side reinforcement seat 2, an upper embedded bolt 31 is arranged on the upper reinforcement strip 3, a lower embedded bolt 41 is arranged on the lower reinforcement strip 4, an anti-stripping thorn 71 and a threaded fastening sleeve 8 are arranged on the anchor rod 7, a full-welded through hole 51 is arranged on the upper corner plate 5, a grouting hole 81 is arranged on the threaded fastening sleeve 8, an upper nut 32 is arranged on the upper embedded bolt 31, a lower nut 42 is arranged on the lower embedded bolt 41, and the bottom of the anchor rod 7 is firmly connected by pre-embedded with a preset embedded groove in the soft foundation 1.
[0026] In detail, the side reinforcement seat 2 is a triangular structure as a whole and is in close contact with the side wall of the foundation pit body 11. The side reinforcement seat 2 is made of hard alloy steel. The triangular structure is highly stable, does not deform, and is durable.
[0027] Furthermore, the upper embedded bolt 31 and the lower embedded bolt 41 are both embedded in the soft foundation 1, the upper embedded bolt 31 passes through the upper reinforcement bar 3 and is threadedly connected to the upper nut 32, and the lower embedded bolt 41 passes through the lower reinforcement bar 4 and is threadedly connected to the lower nut 42. The upper embedded bolt 31 and the lower embedded bolt 41 are both existing technologies and can be embedded and firmly connected with the preset embedded groove in the soft foundation 1.
[0028] Furthermore, the upper reinforcement strip 3 and the lower reinforcement strip 4 are both long strip structures and are fixedly welded to the side reinforcement seat 2. The upper embedded bolts 31 and the upper nuts 32 are a group and there are a total of eleven groups arranged in an arrangement. The lower embedded bolts 41 and the lower nuts 42 are a group and there are a total of eleven groups arranged in an arrangement, which further improves the stability of the side reinforcement seat 2 installed on the inner wall of the foundation pit body 11 on the weak foundation 1.
[0029] In more detail, the anchor rod 7 vertically passes through the upper corner plate 5 and the lower corner plate 6, the lower part of the anchor rod 7 is pre-buried in the soft foundation 1, and the anti-stripping thorns 71 are arranged vertically in three groups, each group of four are arranged circumferentially, and the anti-stripping thorns 71 are arranged obliquely upward and are made of alloy tungsten steel, which has high strength and is not deformed, further improving the anti-stripping reinforcement performance of the anchor rod 7.
[0030] In general, the threaded fastening sleeve 8 is threadedly connected to the anchor rod 7, and the grouting hole 81 vertically penetrates the threaded fastening sleeve 8. A certain amount of concrete liquid is injected, and after the concrete liquid is cooled and solidified, a stable bonding and sealing between the threaded fastening sleeve 8 and the lower corner plate 6 can be achieved.
[0031] Finally, the side walls of the side reinforcement seat 2 are respectively provided with an upper welding block 21 and a lower welding block 22. The upper welding block 21 is fixedly welded to the upper corner plate 5, and the lower welding block 22 is fixedly welded to the lower corner plate 6, so that the side reinforcement seat 2, the upper corner plate 5, and the lower corner plate 6 form an integral reinforcement structure, which is very stable.
[0032] Working method: first, embed the upper embedded bolts 31, the lower embedded bolts 41, and the anchor rods 7 in the preset embedded grooves in the soft foundation 1, and then attach the side reinforcement seat 2 tightly to the side wall surface of the foundation pit body 11, and then pass the upper embedded bolts 31 and the lower embedded bolts 41 through the preset matching holes on the upper reinforcement strip 3 and the lower reinforcement strip 4 and weld them to the side reinforcement seat 2 respectively, and finally, thread-lock the upper nut 32 and the lower nut 42 with the upper embedded bolt 31 and the lower embedded bolt 41 respectively, so as to achieve effective and comprehensive reinforcement of the side wall part of the foundation pit body 11 on the soft foundation 1 as a whole, thereby improving the reinforcement of the side wall part of the foundation pit body 11 on the soft foundation 1.
[0033] In addition, the lower corner plate 6 and the upper corner plate 5 are respectively passed through the pre-buried anchor rod 7, and then the lower corner plate 6 and the side reinforcement seat 2 are firmly welded through the lower welding block 22, and then the upper corner plate 5 and the side reinforcement seat 2 are firmly welded through the upper welding block 21, and then the anchor rod 7 and the upper corner plate 5 are firmly welded through the full welding perforation 51, and then the threaded fastening sleeve 8 is rotated clockwise, and the threaded fastening sleeve 8 and the external thread of the anchor rod 7 are threadedly driven to drive the threaded fastening sleeve 8 to move downward and contact closely with the upper end surface of the lower corner plate 6, and finally a certain amount of concrete liquid is injected into the grouting hole 81. After the concrete liquid is cooled and solidified, a firm bonding and sealing between the threaded fastening sleeve 8 and the lower corner plate 6 can be achieved, which improves the reinforcement strength of the corner part of the foundation pit body 11 on the soft foundation 1 as a whole, and avoids deformation of the ninety-degree corner part to affect the later construction.
[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A soft foundation reinforcement structure, comprising a soft foundation (1), characterized in that: A foundation pit body (11) is provided in the soft foundation (1), and a side reinforcement seat (2) is provided on the side wall of the foundation pit body (11). An upper corner plate (5) and a lower corner plate (6) are provided at the corners of the foundation pit body (11), and anchor rods (7) are inserted into the upper corner plate (5) and the lower corner plate (6). An upper reinforcement bar (3) and a lower reinforcement bar (4) are provided on the side reinforcement seat (2), an upper pre-embedded bolt (31) is provided on the upper reinforcement bar (3), and a lower pre-embedded bolt (41) is provided on the lower reinforcement bar (4), an anti-stripping thorn (71) and a threaded fastening sleeve (8) are provided on the anchor rod (7), a full-welded through hole (51) is provided on the upper corner plate (5), and a grouting hole (81) is provided on the threaded fastening sleeve (8), an upper nut (32) is provided on the upper pre-embedded bolt (31), and a lower nut (42) is provided on the lower pre-embedded bolt (41).
2. A soft foundation reinforcement structure according to claim 1, characterized in that: The side reinforcement seat (2) is a triangular structure as a whole and is in close contact with the side wall of the foundation pit body (11); the side reinforcement seat (2) is made of hard alloy steel.
3. The soft foundation reinforcement structure according to claim 1, characterized in that: The upper embedded bolt (31) and the lower embedded bolt (41) are both embedded in the soft foundation (1); the upper embedded bolt (31) passes through the upper reinforcement bar (3) and is threadedly connected to the upper nut (32); and the lower embedded bolt (41) passes through the lower reinforcement bar (4) and is threadedly connected to the lower nut (42).
4. The soft foundation reinforcement structure according to claim 1, characterized in that: The upper reinforcement strip (3) and the lower reinforcement strip (4) are both long strip structures and are fixedly welded to the side reinforcement seat (2); the upper embedded bolts (31) and the upper nuts (32) form a group and a total of eleven groups are arranged in an array; the lower embedded bolts (41) and the lower nuts (42) form a group and a total of eleven groups are arranged in an array.
5. The soft foundation reinforcement structure according to claim 1, characterized in that: The anchor rod (7) vertically passes through the upper corner plate (5) and the lower corner plate (6), the lower part of the anchor rod (7) is pre-buried in the soft foundation (1), and the anti-stripping thorns (71) are arranged vertically in three groups, each group of which is arranged in a circle.
6. The soft foundation reinforcement structure according to claim 1, characterized in that: The threaded fastening sleeve (8) is threadedly connected to the anchor rod (7), and the grouting hole (81) vertically penetrates the threaded fastening sleeve (8).
7. The soft foundation reinforcement structure according to claim 1, characterized in that: The side walls of the side reinforcement seat (2) are respectively provided with an upper welding block (21) and a lower welding block (22); the upper welding block (21) is fixedly welded to the upper corner plate (5), and the lower welding block (22) is fixedly welded to the lower corner plate (6).