Basement retaining wall structure and basement structure
By designing a basement retaining wall structure that can not only play a permanent retaining role as the outer wall of the basement, but also allows backfilling operations during the construction process, the problems of long construction period and high cost in traditional construction are solved, and construction efficiency and economic benefits are improved.
Patent Information
- Application Number
- CN202420848257.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-23
AI Technical Summary
In traditional basement construction, the construction period of the basement wall side wall and support structure is long and costly, resulting in low construction efficiency and excessive cost.
Designing a basement retaining wall structure can not only play a permanent retaining role as the outer wall of the basement, but also allows backfilling operations and other structural construction in the retaining area while ensuring normal construction of the basement, without the need to build the basement wall side wall and support structure at the same time.
Through this structure, the construction period is not only accelerated, but also saved engineering costs, and improved construction efficiency and economic benefits.
Smart Images
Figure CN222614287U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of construction, in particular to a basement retaining wall structure, and also to a basement structure. Background Art
[0002] In the traditional basement construction process, the foundation pit is often excavated first, and the basement is constructed in the foundation pit. The foundation pit support method is divided into slope excavation or temporary retaining structure to support the soil. When the site conditions are limited, the temporary support structure is preferred for support. After the basement is completed and accepted, the backfilling is carried out before the upper part of the backfill soil can be constructed. Because the side walls of the basement have a retaining function, and the original temporary retaining structure loses its retaining function after the foundation pit is backfilled, the construction of the side walls and retaining structure of the basement is bound to result in a long construction period and high cost.
[0003] Explanation of the name:
[0004] Basement: The height of the room floor below the outdoor ground level exceeds 1 / 2 of the room's clear height.
[0005] Retaining wall: A structure that supports roadbed fill or hillside soil and prevents the fill or soil from deforming and becoming unstable. Utility Model Content
[0006] In order to solve the problem of long construction period for building basement wall side walls and retaining structures in the above-mentioned existing basement construction, the utility model provides a basement retaining wall structure and a basement structure, wherein the basement retaining wall structure can not only serve as the outer wall of the basement to play a permanent retaining role, but also can ensure the backfilling operation of the retaining area and the construction of other structures in the backfilling area while ensuring the normal construction of the basement. There is no need to build the basement wall side walls and the retaining structure at the same time, which not only speeds up the construction period but also saves the project cost.
[0007] The technical solution adopted by the embodiment of the utility model to solve the technical problem is:
[0008] A basement retaining wall structure comprises a wall body, buttresses, a wall toe, a wall heel and an anti-skid key, wherein the wall toe and the wall heel are connected inside and outside, the lower end of the wall body is connected to the inner end of the wall heel, a plurality of buttresses are arranged at intervals along the extension direction of the wall body, the buttresses are located on the outer side of the wall body, the buttresses are connected to the wall body and the wall heel, the wall heel and the anti-skid key are connected up and down, the anti-skid key is a strip structure, and the extension direction of the anti-skid key is the same as the extension direction of the wall body.
[0009] The upper end of the wall body is connected with a top extension plate, the top extension plate is in a horizontal state, and the top extension plate is located on the inner side of the wall body.
[0010] The wall body, buttress, wall toe, wall heel, anti-skid key and top extension plate are connected as a whole. From the inside to the outside, the anti-skid key is located in the middle of the wall heel, and the height of the anti-skid key is 300mm-500mm.
[0011] The upper surface and the lower surface of the wall heel are both in an inclined state, the inner end of the upper surface of the wall heel is higher than the outer end of the upper surface of the wall heel, and the inner end of the lower surface of the wall heel is higher than the outer end of the lower surface of the wall heel.
[0012] The basement retaining wall structure also includes a drainage pipe, which includes a drainage main pipe and a drainage branch pipe connected in sequence. The drainage main pipe is located on the inner side of the wall body, and the drainage branch pipe passes through the wall body.
[0013] The main drainage pipe is in an upright state, and a plurality of drainage branch pipes are arranged at intervals in the up-and-down direction. The drainage branch pipes are in an inclined state, and the outer ends of the drainage branch pipes are higher than the inner ends of the drainage branch pipes.
[0014] The outer end of the drainage branch pipe is connected with an anti-filter bag, an armpit is arranged between the wall toe and the wall body, and an armpit is also arranged between the top extension plate and the wall body.
[0015] A basement structure comprises a basement top plate, a basement bottom plate and a basement outer wall, wherein the basement outer wall is the above-mentioned basement retaining wall structure, the basement top plate is connected to the upper end of the wall body, and the basement bottom plate is connected to the wall toe.
[0016] The upper end of the wall body is connected with a top extension plate, the top extension plate is in a horizontal state, the top extension plate is located on the inner side of the wall body, and the basement top plate is connected to the top extension plate connected to the upper end of the wall body.
[0017] The basement floor and the wall toe are connected by an embedded waterstop and an external waterstop, and the basement top plate and the top extension plate are also connected by an embedded waterstop and an external waterstop.
[0018] The beneficial effects of the embodiments of the utility model are:
[0019] The basement retaining wall structure can not only serve as the outer wall of the basement and play a permanent retaining role, but also can ensure the backfilling operation of the retaining area and the construction of other structures in the backfilling area while ensuring the normal construction of the basement. There is no need to build the side walls of the basement and the supporting structure at the same time, which not only speeds up the construction period but also saves the project cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.
[0021] Figure 1It is the front view schematic diagram of the basement retaining wall structure described in the present utility model.
[0022] Figure 2 It is the top view schematic diagram of the basement retaining wall structure described in the present utility model.
[0023] The description of the attached drawing reference numerals is as follows:
[0024] 1. Wall heel; 2. Anti-slip key; 3. Wall toe; 4. Basement floor slab; 5. Embedded waterstop; 6. Wall body; 7. Drain pipe; 8. Filter pack; 9. Top extension plate; 10. Externally bonded waterstop; 11. Basement roof; 12. Backfill soil; 13. Axial angle; 14. Buttress.
[0025] 701. Main drain pipe; 702. Drain branch pipe. Detailed implementation manners
[0026] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the attached drawings and in combination with the embodiments.
[0027] For the convenience of understanding and description, the following description of the present utility model adopts absolute position relationships. Without special instructions, the orientation word "up" represents Figure 1 the upper side direction in Figure 1 the lower side direction in Figure 1 the left side direction in Figure 1 the right side direction in Figure 1 the front direction represents the direction perpendicular to Figure 1 the paper surface of
[0028] such as Figure 1 to Figure 2 shown, a basement retaining wall structure described in an embodiment of the present utility model includes a wall body 6, a buttress 14, a wall toe 3, a wall heel 1 and an anti-slip key 2. The wall toe 3 and the wall heel 1 are connected inside and outside. The lower end of the wall body 6 is connected to the inner end of the wall heel 1. A plurality of buttresses 14 are arranged at intervals along the extending direction of the wall body 6. The buttresses 14 are located outside the wall body 6. The buttresses 14 are connected to both the wall body 6 and the wall heel 1. The wall heel 1 and the anti-slip key 2 are connected up and down. The anti-slip key 2 protrudes from the lower surface of the wall heel 1. The anti-slip key 2 has a strip structure. The extending direction of the anti-slip key 2 is the same as the extending direction of the wall body 6.
[0029] The buttress 14 can effectively improve the ability of the wall body to resist the backfill pressure, the outer side of the wall body 6 can be filled with backfill 12, the anti-slip key 2 can ensure the stability of the lower end of the basement retaining wall structure, and the backfill 12 can be taken nearby and compacted in layers according to the specific geological conditions, and the compaction degree of the backfill is set according to the requirements of its upper structure. The basement retaining wall structure forms a self-stabilizing structure, which can not only be used as the outer wall of the basement and play the function of permanent retaining, but also can ensure the backfilling operation of the retaining area and the construction of other structures in the backfill area while ensuring the normal construction of the basement, without having to build the basement wall side wall and the retaining structure at the same time, which not only speeds up the construction period, but also saves the project cost.
[0030] like Figure 1 to Figure 2 As shown, the upper end of the wall body 6 is connected with a top extension plate 9, which is in a horizontal state and is located on the inner side of the wall body 6. The wall body 6, the wall toe 3, the wall heel 1, the top extension plate 9 and the anti-slip key 2 all extend in the front-to-back direction, and a plurality of buttresses 14 are arranged at intervals in the front-to-back direction. The inner side of the wall body 6 faces the inside of the basement, the inner side of the wall body 6 faces the left, the outer side of the wall body 6 faces the backfill 12, and the outer side of the wall body 6 faces the right.
[0031] The wall body 6, buttress 14, wall toe 3, wall heel 1, anti-skid key 2 and top extension plate 9 are connected as one body, and the wall body 6, buttress 14, wall toe 3, wall heel 1, anti-skid key 2 and top extension plate 9 can be steel frame concrete structures. From the inside to the outside, the anti-skid key 2 is located in the middle of the wall heel 1, and the height of the anti-skid key 2 should ensure that the soil in front of the key is not squeezed out. The height of the anti-skid key 2 can be 300mm-500mm, and the thickness of the anti-skid key 2 should be determined according to the shear strength calculation. The thickness of the anti-skid key 2 can be 300mm-500mm to improve the anti-skid ability of the retaining structure.
[0032] like Figure 1 As shown, the upper surface and the lower surface of the wall heel 1 are both in an inclined state, the inner end of the upper surface of the wall heel 1 is higher than the outer end of the upper surface of the wall heel 1, and the inner end of the lower surface of the wall heel 1 is higher than the outer end of the lower surface of the wall heel 1, that is, the left end of the upper surface of the wall heel 1 is higher than the right end of the upper surface of the wall heel 1, and the left end of the lower surface of the wall heel 1 is higher than the right end of the lower surface of the wall heel 1.
[0033] The basement retaining wall structure further includes a drainage pipe 7, which includes a drainage main pipe 701 and a drainage branch pipe 702 connected in sequence, the drainage main pipe 701 is located on the inner side of the wall body 6, and the drainage branch pipe 702 passes through the wall body 6. A plurality of drainage pipes 7 are arranged at intervals along the extension direction of the wall body 6. The drainage main pipe 701 is connected to the drainage system in the basement, and the drainage pipe 7 can discharge the groundwater behind the wall, reduce the water pressure outside the wall body, and avoid the generation of a large pore water pressure behind the wall.
[0034] The drainage main pipe 701 is in an upright state, and a plurality of drainage branch pipes 702 are arranged at intervals in the vertical direction. The drainage branch pipes 702 are in an inclined state, and the inner ends of the drainage branch pipes 702 are connected to the drainage main pipe 701. The outer ends of the drainage branch pipes 702 are located in the backfill soil 12 outside the wall body 6, and the outer ends of the drainage branch pipes 702 are higher than the inner ends of the drainage branch pipes 702. The side length or diameter of the drainage main pipe 701 and the drainage branch pipes 702 should not be less than 100mm, the inclination angle of the drainage branch pipes 702 should not be less than 5%, the spacing between the drainage main pipes 701 should be 2m-3m, and they should be arranged in a plum blossom shape; where there is a lot of groundwater or a large stream of water, the drainage pipes 7 should be densely arranged.
[0035] like Figure 1 As shown, the outer end of the drainage branch pipe 702 is connected to the anti-filter bag 8, and the size of the anti-filter bag 8 should not be less than 500mm×500mm×500mm. An armpit 13 is provided between the wall toe 3 and the wall body 6, and an armpit 13 is also provided between the top extension plate 9 and the wall body 6. The armpit 13 improves the stress state of the wall body 6 and improves the reliability of the node.
[0036] The following is a basement structure, which includes a basement top plate 11, a basement bottom plate 4 and a basement outer wall. The basement outer wall is the above-mentioned basement retaining wall structure. The basement top plate 11 is connected to the upper end of the wall body 6, and the basement bottom plate 4 is connected to the wall toe 3. The basement structure may also include or exclude a basement inner wall. The basement outer wall is in direct contact with the backfill soil 12, and the basement inner wall will not be in direct contact with the backfill soil 12. Figure 1 to Figure 2 shown.
[0037] The upper end of the wall body 6 may be connected to or not connected to the top extension plate 9. When the upper end of the wall body 6 is not connected to the top extension plate 9, the basement top plate 11 is connected to the upper end of the wall body 6; when the upper end of the wall body 6 is connected to the top extension plate 9, the basement top plate 11 is connected to the top extension plate 9 connected to the upper end of the wall body 6. It can be understood that the basement top plate 11 is connected to the upper end of the wall body 6 through the top extension plate 9.
[0038] Preferably, the basement top plate 11 is connected to the top extension plate 9 connected to the upper end of the wall body 6, and the basement top plate 11 and the top extension plate 9 are also connected through the embedded waterstop 5 and the external waterstop 10, and the embedded waterstop 5 and the external waterstop 10 between the basement top plate 11 and the top extension plate 9 are arranged at intervals up and down. Half of the embedded waterstop 5 between the basement top plate 11 and the top extension plate 9 is arranged in the basement top plate 11, and the other half of the embedded waterstop 5 between the basement top plate 11 and the top extension plate 9 is arranged in the top extension plate 9.
[0039] The basement floor 4 and the wall toe 3 are connected by an embedded waterstop 5 and an external waterstop 10, and the embedded waterstop 5 and the external waterstop 10 between the basement floor 4 and the wall toe 3 are arranged at intervals from top to bottom. Half of the embedded waterstop 5 between the basement floor 4 and the wall toe 3 is arranged in the basement floor 4, and the other half of the embedded waterstop 5 between the basement floor 4 and the wall toe 3 is arranged in the wall toe 3. Both the embedded waterstop 5 and the external waterstop 10 can adopt existing technology products. The embedded waterstop 5 and the external waterstop 10 can prevent the infiltration of groundwater.
[0040] The above is only a specific embodiment of the utility model, and it cannot be used to limit the scope of the utility model. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the protection scope of the utility model should still fall within the scope of the utility model. In addition, the technical features of the utility model can be freely combined with each other, with technical features and technical solutions, with technical solutions and with embodiments.
Claims
1. A basement retaining wall structure, characterized in that: The basement retaining wall structure comprises a wall body (6), a buttress (14), a wall toe (3), a wall heel (1) and an anti-slip key (2); the wall toe (3) and the wall heel (1) are connected inside and outside; the lower end of the wall body (6) is connected to the inner end of the wall heel (1); a plurality of buttresses (14) are arranged at intervals along the extension direction of the wall body (6); the buttress (14) is located on the outer side of the wall body (6); the buttress (14) is connected to both the wall body (6) and the wall heel (1); the wall heel (1) and the anti-slip key (2) are connected up and down; the anti-slip key (2) is in a strip-shaped structure; and the extension direction of the anti-slip key (2) is the same as the extension direction of the wall body (6).
2. The basement retaining wall structure according to claim 1, characterized in that: The upper end of the wall body (6) is connected with a top extension plate (9), the top extension plate (9) is in a horizontal state, and the top extension plate (9) is located on the inner side of the wall body (6).
3. The basement retaining wall structure according to claim 2, characterized in that: The wall body (6), buttress (14), wall toe (3), wall heel (1), anti-slip key (2) and top extension plate (9) are connected as a whole. From the inside to the outside, the anti-slip key (2) is located in the middle of the wall heel (1), and the height of the anti-slip key (2) is 300mm-500mm.
4. The basement retaining wall structure according to claim 1, characterized in that: The upper surface and the lower surface of the wall heel (1) are both in an inclined state, the inner end of the upper surface of the wall heel (1) is higher than the outer end of the upper surface of the wall heel (1), and the inner end of the lower surface of the wall heel (1) is higher than the outer end of the lower surface of the wall heel (1).
5. The basement retaining wall structure according to claim 1, characterized in that: The basement retaining wall structure also includes a drainage pipe (7), which includes a drainage main pipe (701) and a drainage branch pipe (702) connected in sequence, the drainage main pipe (701) is located on the inner side of the wall body (6), and the drainage branch pipe (702) passes through the wall body (6).
6. The basement retaining wall structure according to claim 5, characterized in that: The main drainage pipe (701) is in an upright state, and a plurality of branch drainage pipes (702) are arranged at intervals in the vertical direction. The branch drainage pipes (702) are in an inclined state, and the outer ends of the branch drainage pipes (702) are higher than the inner ends of the branch drainage pipes (702).
7. The basement retaining wall structure according to claim 5, characterized in that: The outer end of the drainage branch pipe (702) is connected to the anti-filter bag (8), an armpit corner (13) is arranged between the wall toe (3) and the wall body (6), and an armpit corner (13) is also arranged between the top extension plate (9) and the wall body (6).
8. A basement structure, characterized in that: The basement structure comprises a basement top plate (11), a basement bottom plate (4) and an outer wall of the basement, wherein the outer wall of the basement is the basement retaining wall structure as described in claim 1, the basement top plate (11) is connected to the upper end of the wall body (6), and the basement bottom plate (4) is connected to the wall toe (3).
9. The basement structure according to claim 8, characterized in that: The upper end of the wall body (6) is connected with a top extension plate (9), the top extension plate (9) is in a horizontal state, the top extension plate (9) is located on the inner side of the wall body (6), and the basement top plate (11) is connected to the top extension plate (9) connected to the upper end of the wall body (6).
10. The basement structure according to claim 9, characterized in that: The basement floor (4) and the wall toe (3) are connected via an embedded waterstop (5) and an external waterstop (10), and the basement top plate (11) and the top extension plate (9) are also connected via an embedded waterstop (5) and an external waterstop (10).