A municipal foundation anti-settling structure easy to maintain

Abstract

The application belongs to the technical field of municipal foundation maintenance, and particularly relates to an easy-to-maintain municipal foundation anti-settlement structure, which comprises a foundation pit, a plurality of vertical steel reinforcement cage nets arranged in the interior of the foundation pit, a pipe inserted into the interior of each vertical steel reinforcement cage net, an anti-settlement concrete layer poured between the foundation pit and the vertical steel reinforcement cage nets, a horizontal steel reinforcement cage net arranged in the interior of the foundation pit and at the upper end of the pipe, and a foundation main body arranged above the horizontal steel reinforcement cage net. Through the structural design of the anti-settlement structure, the inserted column is moved downward, the first support rod and the second support rod are unfolded from the interior of the inserted column to form a triangle, the vertical holding force is increased, and the settlement phenomenon caused by long-term embedding in soft soil is reduced. Through the structural design of the maintenance module, different positions can be selected for pouring according to the gap generated during foundation settlement, specified pouring is performed, the pouring construction process is ensured, and convenience is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of municipal foundation maintenance, and in particular relates to an easy-to-maintain municipal foundation anti-settlement structure. Background Art

[0002] Foundation settlement refers to the sinking of the foundation surface caused by the compaction of the foundation soil under the action of additional stress. Excessive settlement, especially uneven settlement, can cause buildings to tilt, crack, and become unusable. Currently, most foundations are fixed to the surface. When encountering large crustal movements and vibrations, the foundation will be damaged. Most foundations are very prone to foundation settlement due to the soft underground soil or the bottom being close to the groundwater layer. This affects the use of the foundation, reduces safety, and causes the building to tilt, crack, and become unusable.

[0003] Currently, Chinese patent publication number CN111809599B discloses a foundation anti-settlement structure and construction method. The anti-settlement mechanism employed is to insert a plug plate horizontally into the soil to limit the insertion tube. However, such plug plates, when pre-buried in soft soil for a long time, are susceptible to bending and settlement caused by stress. This can cause the plug plates to break when the foundation settles, causing the foundation to settle, increasing the risk. Furthermore, when foundation settlement occurs and maintenance pouring is required, the pouring cannot be performed specifically based on the gaps created by the settlement, affecting the pouring construction process. Summary of the Invention

[0004] The purpose of the present invention is to provide an easy-to-maintain municipal foundation anti-settlement structure that can increase vertical ground grip, reduce the settlement phenomenon caused by long-term pre-burial in soft soil, and perform designated filling according to the soil gaps generated during settlement to ensure the construction progress of pouring.

[0005] The technical solutions adopted by the present invention are as follows:

[0006] A municipal foundation anti-settlement structure that is easy to maintain includes a foundation pit, a plurality of vertical steel cages are arranged inside the foundation pit, and a plurality of vertical steel cages are arranged inside the plurality of vertical steel cages. An anti-settlement concrete layer is poured between the foundation pit and the vertical steel cages. A transverse steel cage is arranged inside the foundation pit and at the upper end of the transverse steel cage, and a foundation body is arranged above the transverse steel cage. A column is provided at the center of the transverse steel cage, and a plurality of anti-settlement mechanisms are arranged on the outside of the column. The column moves downward to drive the plurality of anti-settlement mechanisms to unfold, and the anti-settlement mechanism is triangular in shape after unfolding. A maintenance module is also provided on the transverse steel cage, and the maintenance module is used to pour the settlement area.

[0007] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, the anti-settlement mechanism includes a first support rod and a second support rod, the first support rod is rotatably connected to the outer side of the column, the second support rod is rotatably connected to the end of the first support rod away from the column, the end of the second support rod away from the first support rod is rotatably connected to the insert pipe, and a driving part is installed on the outer side of the column.

[0008] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, the driving member includes a pad block, and the pad block is fixed to the upper end of the column.

[0009] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, the driving member includes a nut, which is rotatably connected to the upper end of the insert and is located on the outside of the insert column, and the nut is threadedly connected to the insert column.

[0010] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, the maintenance module includes multiple first bottom casting holes and multiple top casting holes, the multiple first bottom casting holes are all opened inside the insert pipe, and the multiple top casting holes are opened at the upper end of the insert pipe and away from the first bottom casting holes.

[0011] As a preferred solution of the easy-to-maintain municipal foundation anti-subsidence structure described in the present invention, the maintenance module includes a second bottom casting hole and multiple top casting holes, the second bottom casting hole is opened inside the column, a through groove is opened inside the insert pipe and below the column, and the multiple top casting holes are opened at the upper end of the insert pipe and away from the column.

[0012] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, a reinforcing steel cage is provided inside the second bottom casting hole.

[0013] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, a plurality of pouring pipes are arranged inside the foundation body, and the plurality of pouring pipes all pass through the transverse steel cage mesh and are connected to the maintenance module.

[0014] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, the lower end of the foundation pit is truncated cone-shaped.

[0015] As a preferred solution of the easy-to-maintain municipal foundation anti-settlement structure described in the present invention, a plurality of reinforcing ribs are fixed to the upper end of the insert pipe, and the reinforcing ribs extend into the interior of the transverse steel cage.

[0016] The technical effects achieved by the present invention are:

[0017] The present invention adopts the structural design of the anti-settling structure, moves the plug column downward, so that the first support rod and the second support rod are extended from the inside of the plug column to form a triangle, which can increase the vertical gripping force and reduce the settlement phenomenon caused by long-term pre-embedding in soft soil;

[0018] Through the structural design of the maintenance module, the present invention can select different positions for pouring according to the gaps generated when the foundation settles, carry out targeted pouring, ensure the pouring construction process, and improve convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention connected to the foundation;

[0020] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 3 is a cross-sectional view of the present invention;

[0022] Figure 4 This is a schematic structural diagram of the anti-settling structure of the present invention;

[0023] Figure 5 This is a schematic structural diagram of the first driving column of the present invention;

[0024] Figure 6 This is a schematic structural diagram of a second type of driving pin of the present invention;

[0025] Figure 7 is a cross-sectional view of a first maintenance module of the present invention;

[0026] Figure 8 It is a cross-sectional view of the second maintenance module of the present invention.

[0027] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0028] 1. Foundation pit; 2. Vertical steel cage; 3. Anti-settlement concrete layer; 4. Horizontal steel cage; 5. Foundation body; 6. Insert pipe; 7. Casting pipe; 8. Insert column; 9. First support rod; 10. Second support rod; 11. Spacer; 12. Nut; 13. First bottom casting hole; 14. Second bottom casting hole; 15. Reinforced steel cage; 16. Top casting hole; 17. Reinforcement bar. DETAILED DESCRIPTION

[0029] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the following examples. It should be understood that the following text is only used to describe one or more specific embodiments of the present invention and does not strictly limit the scope of protection of the present invention.

[0030] Example 1

[0031] like Figure 1 — Figure 3 As shown, it is the first embodiment of the present invention, which provides an easy-to-maintain municipal foundation anti-settlement structure, including a foundation pit 1, a plurality of vertical steel cages 2 are arranged inside the foundation pit 1, and a plurality of vertical steel cages 2 are provided with inserts 6 inside. An anti-settlement concrete layer 3 is poured between the foundation pit 1 and the vertical steel cages 2, a transverse steel cage 4 is arranged inside the foundation pit 1 and at the upper end of the insert 6, a foundation body 5 is arranged above the transverse steel cage 4, a column 8 is provided at the center of the insert 6, and a plurality of anti-settlement mechanisms are provided on the outside of the column 8. The column 8 moves downward to drive the plurality of anti-settlement mechanisms to unfold. After the anti-settlement mechanism is unfolded, it is triangular in shape. A maintenance module is also provided on the insert 6, and the maintenance module is used to pour the settlement area.

[0032] When the present invention is in use, the vertical steel cage 2 is placed inside the foundation pit 1, the insert pipe 6 is inserted into the inside of the vertical steel cage 2, and the insert column 8 is moved downward, so that the anti-settlement mechanism is extended from the inside of the insert pipe 6 to form a triangle, which can increase the vertical grip and improve the structural strength. The anti-settlement concrete layer 3 is poured on the outside of the vertical steel cage 2, and the transverse steel cage 4 is placed on the outside of the insert pipe 6. The concrete poured inside the transverse steel cage 4 is fixed, and the foundation body 5 is fixed above the transverse steel cage 4. When the foundation body 5 settles, the maintenance module is used to pour and fill the gap generated during the settlement.

[0033] It should be noted that a plurality of pouring pipes 7 are provided inside the foundation body 5, and the plurality of pouring pipes 7 are all connected to the maintenance module through the transverse steel cage 4, which can improve the convenience during the later maintenance and pouring.

[0034] It is worth mentioning that the lower end of the foundation pit 1 is in a truncated cone shape, which facilitates the insertion of the insert pipe 6 into the interior of the vertical steel cage 2.

[0035] Furthermore, a plurality of reinforcing ribs 17 are fixed to the upper end of the insert tube 6 , and the reinforcing ribs 17 extend into the interior of the transverse steel cage 4 , thereby improving the connection stability between the insert tube 6 and the transverse steel cage 4 .

[0036] like Figure 3 and Figure 4 As shown, the anti-settling mechanism includes a first support rod 9 and a second support rod 10. The first support rod 9 is rotatably connected to the outer side of the column 8, and the second support rod 10 is rotatably connected to the end of the first support rod 9 away from the column 8. The end of the second support rod 10 away from the first support rod 9 is rotatably connected to the insert tube 6, and a driving member is installed on the outer side of the column 8.

[0037] Specifically, when the first support rod 9 and the second support rod 10 are extended from the inside of the insert tube 6, the column 8 is moved downward, and then the first support rod 9 drives the second support rod 10 to extend from the inside of the insert tube 6, so that a triangle is formed between the first support rod 9, the second support rod 10 and the insert tube 6. When the insert tube 6 is placed inside the vertical steel cage 2, the vertical gripping force can be increased during the subsequent pouring of the anti-settlement concrete layer 3, thereby reducing the settlement phenomenon caused by long-term pre-embedding in soft soil.

[0038] like Figure 5 As shown, the driving member includes a pad 11, and the pad 11 is fixed to the upper end of the plug post 8.

[0039] Specifically, after the insert tube 6 is placed inside the vertical steel cage 2 and the column 8 is moved, an external tool is used to place it above the pad 11, and the column 8 is moved downward by gravity, thereby driving the first support rod 9 and the second support rod 10 to extend from the inside of the insert tube 6.

[0040] Furthermore, a sliding groove matching the insertion column 8 is provided inside the insertion tube 6 , and the insertion tube 6 and the insertion column 8 are slidably connected via the sliding groove, so that the insertion column 8 can slide inside the insertion tube 6 .

[0041] like Figure 7 As shown, the maintenance module includes multiple first bottom casting holes 13 and multiple top casting holes 16. The multiple first bottom casting holes 13 are all opened inside the insert pipe 6, and the multiple top casting holes 16 are opened at the upper end of the insert pipe 6 and away from the first bottom casting holes 13.

[0042] Specifically, when the foundation pit 1 settles and a gap is generated, and pouring and filling are required, different pouring holes are selected according to the location of the gap. When there is a gap around the insert pipe 6, concrete is poured through the top pouring hole 16. When a gap appears at the bottom of the insert pipe 6, concrete is poured through the first bottom pouring hole 13, thereby improving the convenience of use.

[0043] Example 2

[0044] Reference Figure 6 This embodiment is a further improvement on the basis of the first embodiment, and the difference between this embodiment and the first embodiment lies in the different driving components.

[0045] like Figure 6 As shown, the driving member includes a nut 12, which is rotatably connected to the upper end of the insertion tube 6 and is located outside the insertion column 8. The nut 12 is threadedly connected to the insertion column 8.

[0046] Specifically, when the inserting tube 6 is placed inside the vertical steel cage 2 and the column 8 is moved, the nut 12 is rotated to drive the column 8 to move downward inside the inserting tube 6. At the same time, the column 8 can be limited to prevent the column 8 from moving, and the first support rod 9 and the second support rod 10 are guaranteed to be extended from the inside of the inserting tube 6 and then the anti-settlement concrete layer 3 is poured, so that the first support rod 9 and the second support rod 10 are prevented from being squeezed and moved into the inside of the inserting tube 6, thereby improving convenience.

[0047] Example 3

[0048] Reference Figure 8 This embodiment is a further improvement on the basis of the first embodiment, and the difference between this embodiment and the first embodiment lies in the difference in the maintenance module.

[0049] like Figure 8 As shown, the maintenance module includes a second bottom casting hole 14 and multiple top casting holes 16. The second bottom casting hole 14 is opened inside the column 8. A through groove is opened inside the insert pipe 6 and below the insert pipe 8. Multiple top casting holes 16 are opened at the upper end of the insert pipe 6 and away from the column 8.

[0050] Specifically, when the foundation pit 1 settles and a gap is generated, and pouring and filling are required, different pouring holes are selected according to the location of the gap. When there is a gap around the insert pipe 6, concrete is poured through the top pouring hole 16. When a gap appears at the bottom of the insert pipe 6, concrete is poured through the second bottom pouring hole 14. The second bottom pouring hole 14 opened inside the column 8 can reduce the first bottom pouring hole 13 opened inside the insert pipe 6, thereby improving the strength of the insert pipe 6.

[0051] Furthermore, a reinforcing steel cage 15 is provided inside the second bottom casting hole 14 to improve the structural strength of the inserted column 8.

[0052] The working principle of the present invention is: the vertical steel cage 2 is placed inside the foundation pit 1, the insert pipe 6 is inserted into the inside of the vertical steel cage 2, and the insert column 8 is moved downward, so that the anti-settlement mechanism is extended from the inside of the insert pipe 6 to form a triangle, which can increase the vertical grip, improve the structural strength, and reduce the settlement phenomenon caused by long-term pre-buried in soft soil. The anti-settlement concrete layer 3 is poured on the outside of the vertical steel cage 2, and the transverse steel cage 4 is placed on the outside of the insert pipe 6. The concrete poured inside the transverse steel cage 4 is fixed, and the foundation body 5 is fixed above the transverse steel cage 4. When the foundation body 5 settles, it is poured and filled through the maintenance module according to the gap generated during the settlement. Different positions can be selected for pouring according to the gap generated during the foundation settlement, and designated pouring is carried out to ensure the pouring construction process and improve convenience.

[0053] The foregoing is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained herein shall, unless otherwise specified or limited, be implemented in accordance with conventional means in the art.

Claims

1. An easy-to-maintain municipal foundation anti-settlement structure, characterized by: The invention comprises a foundation pit (1), wherein a plurality of vertical steel cage nets (2) are arranged inside the foundation pit (1), and a plurality of vertical steel cage nets (2) are each provided with an insert pipe (6), an anti-settlement concrete layer (3) is poured between the foundation pit (1) and the vertical steel cage net (2), a transverse steel cage net (4) is arranged inside the foundation pit (1) and at the upper end of the insert pipe (6), a foundation body (5) is arranged above the transverse steel cage net (4), a plug column (8) is arranged at the center of the insert pipe (6), a plurality of anti-settlement mechanisms are arranged on the outside of the plug column (8), the plug column (8) moves downward to drive the plurality of anti-settlement mechanisms to unfold, and the anti-settlement mechanisms are triangular in shape after unfolding, and a maintenance module is also provided on the insert pipe (6), and the maintenance module is used to pour the settlement area; The anti-settling mechanism comprises a first support rod (9) and a second support rod (10), wherein the first support rod (9) is rotatably connected to the outside of the plug column (8), and the second support rod (10) is rotatably connected to an end of the first support rod (9) away from the plug column (8), and an end of the second support rod (10) away from the first support rod (9) is rotatably connected to the insert tube (6), and a driving member is installed on the outside of the plug column (8); The maintenance module comprises a second bottom casting hole (14) and a plurality of top casting holes (16), wherein the second bottom casting hole (14) is opened inside the plug column (8), a through groove is opened inside the plug tube (6) and below the plug column (8), and the plurality of top casting holes (16) are opened at the upper end of the plug tube (6) and at a position away from the plug column (8); or The maintenance module comprises a plurality of first bottom casting holes (13) and a plurality of top casting holes (16), wherein the plurality of first bottom casting holes (13) are all opened inside the insert pipe (6), and the plurality of top casting holes (16) are opened at the upper end of the insert pipe (6) and at a position away from the first bottom casting holes (13).

2. The easy-to-maintain municipal foundation anti-settlement structure according to claim 1, characterized in that: The driving member comprises a pad (11), and the pad (11) is fixed to the upper end of the plug post (8).

3. The easy-to-maintain municipal foundation anti-settlement structure according to claim 1, characterized in that: The driving member comprises a nut (12), which is rotatably connected to the upper end of the inserting tube (6) and is located outside the inserting column (8), and the nut (12) is threadedly connected to the inserting column (8).

4. The easy-to-maintain municipal foundation anti-settlement structure according to claim 1, characterized in that: A reinforcing steel cage (15) is provided inside the second bottom casting hole (14).

5. The easy-to-maintain municipal foundation anti-settlement structure according to claim 1, characterized in that: A plurality of pouring pipes (7) are provided inside the foundation body (5), and the plurality of pouring pipes (7) all penetrate the transverse steel cage (4) and are in communication with the maintenance module.

6. The easy-to-maintain municipal foundation anti-settlement structure according to claim 1, characterized in that: The lower end of the foundation pit (1) is in a truncated cone shape.

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