Reinforced damping wall combined with support pile

Abstract

The utility model discloses a strengthening type vibration reduction wall combined with support piles, which comprises a vibration reduction wall, the support piles, a waterproof curtain, a strengthening beam and a backfill structure, the support piles are arranged in two rows and comprise inner side support piles and outer side support piles, the waterproof curtain is arranged between the inner side support piles and the outer side support piles, and the strengthening beam is arranged between the inner side support piles and the outer side support piles. The damping wall is arranged on the inner side of the inner side supporting pile, the reinforcing beam is arranged on the supporting piles and connected with the inner side supporting pile and the outer side supporting pile, and the backfilling structure is arranged between the inner side supporting pile and the damping wall. The double-row supporting piles are arranged to absorb and reduce transmitted vibration twice, the vibration reduction effect is effectively improved, the integrity of the double-row supporting piles is improved through the reinforcing beams, the stability of the supporting structure is improved, and compared with a single-row supporting pile structure, the number of rows of the piles is reduced, and meanwhile the better vibration reduction effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit construction, in particular to a reinforced vibration-damping wall combined with supporting piles. Background Art

[0002] In order to block the ground vibration caused by railway operation on the buildings adjacent to the railway and reduce the impact of railway vibration, vibration reduction is usually carried out by setting up vibration isolation trenches or vibration reduction walls. Traditional vibration reduction walls use column pile arrays or plain concrete walls of a certain thickness as vibration reduction structures, but this method is expensive and is not conducive to the overall control of project investment. Therefore, vibration reduction barriers such as those disclosed in CN116537268A have emerged to achieve the purpose of vibration reduction around rail transit and reduce costs, but there are problems such as poor stability of the supporting structure and unsatisfactory vibration reduction effect during use. The utility model provides a reinforced vibration reduction wall combined with support piles to solve the above problems. Utility Model Content

[0003] The utility model provides a reinforced vibration-damping wall combined with supporting piles, which improves the stability of supporting by utilizing the combination of double-row supporting piles and reinforcing beams, and can effectively enhance the vibration-damping effect.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A reinforced vibration-damping wall combined with supporting piles comprises a vibration-damping wall, supporting piles, a water-stop curtain, a reinforcing beam and a backfill structure, wherein the supporting piles are arranged in two rows, including inner supporting piles and outer supporting piles, the water-stop curtain is arranged between the inner supporting piles and the outer supporting piles, the vibration-damping wall is arranged on the inner side of the inner supporting piles, the reinforcing beam is arranged on the supporting piles and connects the inner supporting piles and the outer supporting piles, and the backfill structure is arranged between the inner supporting piles and the vibration-damping wall.

[0006] Furthermore, the inner supporting piles and the outer supporting piles are arranged side by side, and the water-stop curtain is arranged on the outside of the inner supporting piles; the reinforcing beam includes a crown beam and a connecting beam, the crown beam is respectively arranged at the top of the inner supporting pile and the outer supporting pile, and the connecting beam is arranged between the crown beams at intervals.

[0007] Furthermore, the backfill structure includes inter-pile support and backfill soil, the inter-pile support is arranged between adjacent inner support piles, and the backfill soil is arranged between the inner support piles and the vibration reduction wall.

[0008] Furthermore, the vibration-damping wall includes a wall body and a formwork, the formwork includes a permanent formwork and a removable formwork, the permanent formwork is arranged on the inner side of the backfill soil and located on the outer side of the wall body, and the removable formwork is arranged on the inner side of the wall body.

[0009] Furthermore, the top of the water-stop curtain is connected to the bottom surface of the reinforcement beam.

[0010] Preferably, the water-stop curtain is a mixing pile, the supporting piles are bored cast-in-place piles, and the reinforcing beam is a concrete beam.

[0011] Preferably, the wall is a plain concrete wall.

[0012] The beneficial effects of the utility model are as follows:

[0013] Double-row supporting piles are set up to absorb and reduce the transmitted vibration twice, which effectively improves the vibration reduction effect. The reinforcing beams are used to improve the integrity of the double-row supporting piles and the stability of the supporting structure. Compared with the single-row supporting pile structure, it has a better vibration reduction effect while reducing the number of pile rows. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic top view of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the vibration reduction wall connection structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional setting state of the vibration reduction wall of the utility model.

[0018] Figure numerals: 1. Vibration-damping wall; 11. Wall; 12. Formwork; 2. Support piles; 21. Inner support piles; 22. Outer support piles; 3. Water-stop curtain; 4. Reinforced beam; 41. Crown beam; 42. Connecting beam; 5. Backfill structure; 51. Support between piles; 52. Backfill soil. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings of the specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] like Figure 1 , 2 As shown, a reinforced vibration-damping wall combined with supporting piles includes a vibration-damping wall 1, supporting piles 2, a water-stop curtain 3, a reinforcing beam 4 and a backfill structure 5. The supporting piles 2 are arranged in two rows, including inner supporting piles 21 and outer supporting piles 22. The water-stop curtain 3 is arranged between the inner supporting piles 21 and the outer supporting piles 22. The vibration-damping wall 1 is arranged on the inner side of the inner supporting pile 21. The reinforcing beam 4 is arranged on the supporting pile 2 and connects the inner supporting pile 21 and the outer supporting pile 22. The backfill structure 5 is arranged between the inner supporting pile 21 and the vibration-damping wall 1.

[0022] The utility model improves the vibration reduction effect by arranging two rows of inner and outer supporting piles 2. Compared with a single row of closely arranged supporting piles 2, it has a better vibration reduction effect. At the same time, the construction cost is easier to control. In addition, a reinforcing beam 4 is arranged between the double rows of supporting piles 2 to improve the integrity and stability of the entire supporting structure and improve the supporting effect.

[0023] like Figure 1 , 3 As shown, further, the inner supporting piles 21 and the outer supporting piles 22 are arranged side by side, and the water-stop curtain 3 is arranged on the outside of the inner supporting piles 21; the reinforcing beam 4 includes a crown beam 41 and a connecting beam 42, and the crown beam 41 is respectively arranged at the top of the inner supporting piles 21 and the outer supporting piles 22, and the connecting beams 42 are arranged at intervals between the crown beams 41 to form an integrated reinforcing beam 4 structure, and the reinforcing beam 4 connects the inner supporting piles 21 and the outer supporting piles 22 to form a double-row support structure with a more stable structure.

[0024] like Figure 3 , 4 As shown, further, the backfill structure 5 includes an inter-pile support 51 and a backfill soil 52 , wherein the inter-pile support 51 is arranged between adjacent inner supporting piles 21 , and the backfill soil 52 is arranged between the inner supporting piles 21 and the vibration-damping wall 1 .

[0025] Preferably, the inter-pile support 51 is a sprayed concrete layer, and the inter-pile support 51 is formed by spraying a concrete layer on the soil surface between adjacent support piles of the inner support piles 21 .

[0026] like Figure 2 , 3 As shown, further, the vibration-damping wall 1 includes a wall body 11 and a formwork 12 , the formwork 12 includes a permanent formwork and a removable formwork, the permanent formwork is arranged on the inner side of the backfill soil 52 and located on the outer side of the wall body 11 , and the removable formwork is arranged on the inner side of the wall body 11 .

[0027] Furthermore, the top of the water-stop curtain 3 is connected to the bottom surface of the reinforcing beam 4 .

[0028] Preferably, the water-stop curtain 3 is a three-axis mixing pile or a high-pressure rotary jet pile, the supporting piles 2 are bored cast-in-place piles or prefabricated pipe piles, and the reinforcing beam 4 is a concrete beam.

[0029] Preferably, the wall 11 is a plain concrete wall, and the permanent formwork is a corrugated steel plate formwork or a concrete thin plate formwork.

[0030] Preferably, the pile spacing of the supporting piles 2 is 1200 mm.

[0031] The construction method of the utility model is as follows:

[0032] First, the water-stop curtain 3 is constructed. After the construction is completed, the inner supporting piles 21 and the outer supporting piles 22 are constructed in sequence, and then the reinforcing beam 4 is constructed. When the reinforcing beam 4 is constructed, the reinforcing beam 4 is connected to the water-stop curtain 3, and the supporting piles 2 and the water-stop curtain 3 are connected into an integrated structure by using the reinforcing beam 4;

[0033] Second, excavate the foundation pit, and during the excavation process, spray concrete between the inner support piles 21 as inter-pile support to prevent soil loss between the piles;

[0034] Third, after the foundation pit is excavated, the main structure is constructed. When the foundation pit is ready for backfilling, the foundation pit is backfilled with backfill soil 52, and the backfill soil 52 is compacted layer by layer;

[0035] Fourth, when the foundation pit is backfilled to the bottom of the vibration-damping wall 1, a permanent formwork is set up, and then backfilling is continued outside the permanent formwork, and the permanent formwork is supported by backfill soil 52. The thickness of the foundation pit backfill soil does not exceed 1.5m, and then a disassembled formwork is set up. After completion, plain concrete is poured to form the wall 11, and the backfill soil 52 and the wall 11 are backfilled and poured in layers;

[0036] Fifth, when the construction reaches the top of the wall 11, concrete curing is carried out, and the permanent formwork is buried between the backfill soil and the plain concrete wall as a permanent component.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A reinforced vibration-damping wall combined with supporting piles, characterized in that: The invention comprises a vibration-damping wall (1), supporting piles (2), a water-stopping curtain (3), a reinforcing beam (4) and a backfill structure (5); the supporting piles (2) are arranged in two rows, including inner supporting piles (21) and outer supporting piles (22); the water-stopping curtain (3) is arranged between the inner supporting piles (21) and the outer supporting piles (22); the vibration-damping wall (1) is arranged on the inner side of the inner supporting piles (21); the reinforcing beam (4) is arranged on the supporting piles (2) and connects the inner supporting piles (21) and the outer supporting piles (22); and the backfill structure (5) is arranged between the inner supporting piles (21) and the vibration-damping wall (1).

2. The reinforced vibration-damping wall combined with supporting piles according to claim 1 is characterized in that: The inner supporting piles (21) and the outer supporting piles (22) are arranged side by side, and the water-stop curtain (3) is arranged outside the inner supporting piles (21); the reinforcing beam (4) comprises a crown beam (41) and a connecting beam (42), the crown beam (41) being arranged at the top ends of the inner supporting piles (21) and the outer supporting piles (22), respectively, and the connecting beams (42) being arranged at intervals between the crown beams (41).

3. The reinforced vibration-damping wall combined with supporting piles according to claim 1 is characterized in that: The backfill structure (5) comprises an inter-pile support (51) and backfill soil (52); the inter-pile support (51) is arranged between adjacent inner support piles (21); and the backfill soil (52) is arranged between the inner support piles (21) and the vibration-damping wall (1).

4. The reinforced vibration-damping wall combined with supporting piles according to claim 3 is characterized in that: The vibration-damping wall (1) comprises a wall body (11) and a formwork (12); the formwork (12) comprises a permanent formwork and a removable formwork; the permanent formwork is arranged on the inner side of the backfill soil (52) and on the outer side of the wall body (11); and the removable formwork is arranged on the inner side of the wall body (11).

5. The reinforced vibration-damping wall combined with supporting piles according to claim 1 is characterized in that: The top end of the water-stop curtain (3) is connected to the bottom surface of the reinforcing beam (4).

6. The reinforced vibration-damping wall combined with supporting piles according to claim 1 is characterized in that: The water-stop curtain (3) is a mixing pile, the support pile (2) is a bored cast-in-place pile, and the reinforcement beam (4) is a concrete beam.

7. The reinforced vibration-damping wall combined with supporting piles according to claim 4 is characterized in that: The wall (11) is a plain concrete wall.

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