CN219952052U - Connecting structure of newly added reinforced concrete pool side wall of basement and original structure - Google Patents
Connecting structure of newly added reinforced concrete pool side wall of basement and original structure Download PDFInfo
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- CN219952052U CN219952052U CN202321510809.XU CN202321510809U CN219952052U CN 219952052 U CN219952052 U CN 219952052U CN 202321510809 U CN202321510809 U CN 202321510809U CN 219952052 U CN219952052 U CN 219952052U
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 238000004873 anchoring Methods 0.000 claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims description 17
- 238000007788 roughening Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000010008 shearing Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model discloses a connecting structure of a newly-added reinforced concrete pool side wall of a basement and an original structure, which comprises the newly-added reinforced concrete pool side wall, wherein a groove extending along the newly-added reinforced concrete pool side wall is chiseled on a base structure bottom plate; the bottom ends of the vertical steel bars of the wall body are anchored into the bar planting holes, the top ends of the vertical steel bars of the wall body penetrate through the bar planting through holes and then are anchored into the anchoring bodies, and the two ends of the horizontal steel bars of the wall body of the newly-added reinforced concrete pool side wall are respectively anchored into the vertical members; the utility model increases the shearing connection strength of the new and old concrete interfaces, ensures the effective force transmission between the newly-added reinforced concrete pool side wall and the top floor slab, and improves the safety and reliability of the newly-added reinforced concrete pool side wall.
Description
Technical Field
The utility model relates to a connecting structure of a newly added reinforced concrete pool side wall of a basement and an original structure, and belongs to the technical field of building structure reinforcement design and construction.
Background
In commercial buildings, the requirements of building functions are often variable, so that newly-added components frequently appear, such as newly-added holes, newly-added structural beams, newly-added pool side walls and the like caused by pump house adjustment; the newly added components are necessary conditions for realizing the functional requirements of the new building, the newly added reinforced concrete pool side wall frequently occurs in the process of reconstruction and extension of the basement pool, when the building modification requirements are put forward before concrete pouring, the structure can be timely modified and arranged according to the adjustment of the scheme, and the purpose of the newly added components is realized by adopting a cast-in-place mode; when the building modification requirement is in the project reconstruction and expansion stage, the newly added reinforced concrete pool side wall needs to be treated in a post-pouring manner, and the treatment method is generally applied to practical projects, but has more problems in the implementation process, such as insufficient shearing resistance due to small contact surface, insufficient planting depth due to thinner floor slab, insufficient upper structure Liang Kangniu capacity and the like; the adverse factors can cause the conditions of shearing damage resistance of new and old concrete interfaces, extraction of upper floor slab embedded bars, shearing and twisting damage of concrete beams and the like; in addition, the conventional bar planting mode has higher requirements on construction quality, and generally, the bar planting depth is about 20-25d (d is the diameter of the steel bar), and the excessive bar planting depth can cause the problems of high drilling difficulty, difficult hole cleaning, difficult construction quality assurance and the like.
Disclosure of Invention
Aiming at the engineering requirements and the actual technical problems in the background technology, the utility model provides a connecting structure of a newly added reinforced concrete pool side wall of a basement and an original structure, which solves the technical defects when the reinforced concrete pool side wall is newly added in a conventional reinforcement planting mode in a reconstruction and expansion project, increases the shearing connection strength of a new-old concrete interface, ensures the effective force transmission between the newly added reinforced concrete pool side wall and a top floor slab, reduces the construction difficulty and the strong correlation of the structure reliability and the construction quality, and improves the safety and reliability of the newly added reinforced concrete pool side wall.
In order to achieve the above object, the present utility model adopts the following technical scheme:
the connecting structure of the newly-added reinforced concrete pool side wall of the basement and the original structure comprises the newly-added reinforced concrete pool side wall, a groove extending along the newly-added reinforced concrete pool side wall is chiseled on a base structure bottom plate, the reinforcement of the base structure bottom plate is not damaged during groove construction, a plurality of reinforcement planting holes are formed in the inner bottom of the groove, the reinforcement planting holes correspond to the vertical reinforcement of the wall of the newly-added reinforced concrete pool side wall in number and are consistent in number, a plurality of reinforcement planting through holes which are correspondingly matched with the reinforcement planting holes are formed in a top floor, and an anchor body is arranged at the top of the top floor; the bottom ends of the vertical steel bars of the wall body are anchored into the bar planting holes, the top ends of the vertical steel bars of the wall body penetrate through the bar planting through holes and then are anchored into the anchoring bodies, and the two ends of the horizontal steel bars of the wall body of the newly added reinforced concrete pool side wall are respectively embedded with bars and anchored into the vertical members; the concrete used for filling the grooves and the newly added reinforced concrete pool side wall are poured simultaneously to form an integrated structure.
Preferably, the depth of the groove is at least 150mm.
In order to increase the binding force between the foundation structure bottom plate and the newly-added reinforced concrete pool side wall, a roughening structure is arranged at the interface between the groove and the newly-added reinforced concrete pool side wall.
In order to increase the binding force between the top floor slab and the newly-added reinforced concrete pool side wall, a roughening structure is arranged at the interface between the top floor slab and the newly-added reinforced concrete pool side wall.
Preferably, the anchoring body is composed of reinforced concrete, a plurality of longitudinal steel bars and a plurality of constructional steel bars are arranged in the anchoring body, and the plurality of constructional steel bars are arranged at intervals along the length direction of the longitudinal steel bars; the effective anchoring of the top ends of the vertical steel bars of the wall body of the newly-added reinforced concrete pool side wall is ensured.
Further, the construction steel bar is of an inverted U-shaped structure, and two ends of the construction steel bar of the inverted U-shaped structure are anchored into the top floor slab; to increase the structural strength of the anchor.
In order to increase the adhesion of the top floor to the anchor, the interface of the top floor and the anchor is provided with a chiseling structure.
The utility model has the advantages that:
arranging a groove on a base plate of the foundation structure, pouring concrete in the groove, and simultaneously pouring the newly poured concrete in the groove and the newly added reinforced concrete pool side wall to form an integrated structure, wherein the concrete structure in the groove forms a shear key; the top ends of the vertical steel bars of the wall body of the newly added reinforced concrete pool side wall are anchored into the top floor slab and the anchoring body to form effective anchoring connection; the shear key is arranged at the bottom of the newly-added reinforced concrete pond side wall, the anchoring body is arranged at the top of the newly-added reinforced concrete pond side wall, the shear key and the anchoring body provide effective anchoring connection for the newly-added reinforced concrete pond side wall, the force transmission mode of the traditional new and old concrete connection position is thoroughly changed, the traditional friction force transmission by the new and old concrete interface is changed into the shearing force transmission by the material, the traditional natural anchoring by the reinforced concrete is changed into the natural anchoring by the concrete, and the dispersion of the force transmission performance of the key connection position is reduced, so that:
(1) The force transmission mechanism at the interface is more reliable and effective, the shear connection strength of the new and old concrete interfaces is increased, and the shear connection strength is not excessively dependent on the quality of the interface construction, such as whether roughening is in place or not and whether cleaning is carried out or not, so that the construction difficulty and the strong correlation between the structural reliability and the construction quality are reduced;
(2) The thickness of the anchoring body can be set according to actual requirements, so that effective force transmission between the newly-added reinforced concrete pool side wall and the floor slab is ensured, and the problem of insufficient depth of the planted bar due to the excessively thin thickness of the traditional floor slab is solved;
(3) The upper support of the newly added reinforced concrete pond side wall is prevented from being arranged below the structural beam, and the problem that the lateral torsion resistance of the structural beam is insufficient due to the fact that the vertical steel bars of the wall body of the traditional newly added reinforced concrete pond side wall are anchored into the structural beam is solved;
(4) The newly-added reinforced concrete pool side wall is reliably connected with the original structure, so that the safety and reliability of the newly-added reinforced concrete pool side wall are improved.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the junction between the side wall of the newly added reinforced concrete pool and the top floor slab;
FIG. 4 is a schematic view of the junction between the side wall of the newly added reinforced concrete pool and the base plate of the foundation structure;
meaning of reference numerals in the drawings:
the reinforced concrete water tank comprises a 1-newly-added reinforced concrete water tank side wall, a 2-foundation structure bottom plate, a 3-groove, a 4-reinforced hole, a 5-top floor slab, a 6-reinforced through hole, a 7-anchoring body, an 8-roughening structure, 9-longitudinal reinforcing steel bars, 10-construction reinforcing steel bars, 11-wall vertical reinforcing steel bars, 12-wall horizontal reinforcing steel bars and 13-wall lacing wires.
Detailed Description
The utility model is described in detail below with reference to the drawings and the specific embodiments.
As shown in fig. 1-4, the embodiment is a connecting structure of a newly-added reinforced concrete pool side wall of a basement and an original structure, comprising a newly-added reinforced concrete pool side wall 1, a groove 3 extending along the newly-added reinforced concrete pool side wall 1 is chiseled on a base structure bottom plate 2, the groove 3 is constructed to ensure that the steel bars of the base structure bottom plate 2 are not damaged, a plurality of bar planting holes 4 are formed in the inner bottom of the groove 3, the bar planting holes 4 correspond to and are consistent in number with wall vertical steel bars 11 of the newly-added reinforced concrete pool side wall 1, a plurality of bar planting through holes 6 correspondingly matched with the bar planting holes 4 are formed in a top floor slab 5, and an anchor 7 is arranged at the top of the top floor slab 5; the bottom ends of the wall body vertical steel bars 11 are anchored into the steel bar embedding holes 4, the top ends of the wall body vertical steel bars 11 penetrate through the steel bar embedding through holes 6 and then are anchored into the anchoring bodies 7, and the two ends of the wall body horizontal steel bars 12 of the newly added reinforced concrete pool side wall 1 are respectively embedded with steel bars and anchored into the vertical members; the concrete used for filling the grooves 3 and the newly added reinforced concrete pool side wall 1 are poured simultaneously to form an integrated structure.
The depth of the groove 3 in this embodiment is 150mm, and the depth of the groove 3 can be increased appropriately as required in practical use.
In order to increase the binding force between the foundation structure bottom plate 2 and the newly-added reinforced concrete pool side wall 1, a roughening structure 8 is arranged at the interface between the groove 3 and the newly-added reinforced concrete pool side wall 1; and roughening treatment is carried out on the surface of the groove 3, so that a roughening structure 8 is formed on the surface of the groove 3, and the bonding firmness of the new and old concrete interfaces is facilitated.
In order to increase the binding force between the top floor slab 5 and the newly added reinforced concrete pool side wall 1, a roughening structure 8 is arranged at the interface between the top floor slab 5 and the newly added reinforced concrete pool side wall 1; and the bottom surface of the top floor slab 5 is subjected to roughening treatment, so that a roughening structure 8 is formed on the bottom surface of the top floor slab 5, and the bonding between new and old concrete interfaces is facilitated to be firm.
In this embodiment, the anchor body 7 is made of reinforced concrete, and a plurality of longitudinal steel bars 9 and a plurality of constructional steel bars 10 are arranged in the anchor body 7, and the plurality of constructional steel bars 10 are arranged at intervals along the length direction of the longitudinal steel bars 9; the top ends of the vertical reinforcements 11 of the wall body of the newly-added reinforced concrete pool side wall 1 are effectively anchored; the constructional steel bar 10 is of an inverted U-shaped structure, and two ends of the constructional steel bar 10 of the inverted U-shaped structure are anchored into the top floor 5; to increase the structural strength of the anchor 7.
In order to increase the binding force between the top floor 5 and the anchoring body 7, the interface between the top floor 5 and the anchoring body 7 is provided with a chiseling structure 8; and the top surface of the top floor slab 5 is subjected to roughening treatment, so that a roughening structure 8 is formed on the top surface of the top floor slab 5, and the bonding between new and old concrete interfaces is facilitated to be firm.
According to the embodiment, a groove 3 is chiseled on a base structure bottom plate 2, the inner surface of the groove 3 is chiseled, the original structural steel bars cannot be damaged when the groove 3 is chiseled, a plurality of steel bar planting holes 4 are formed in the inner bottom of the groove 3, a plurality of steel bar planting through holes 6 which are correspondingly matched with the plurality of steel bar planting holes 4 are formed in a top floor 5, the bottom surface and the top surface of the top floor 5 are respectively chiseled, the bottom ends of wall body vertical steel bars 11 of a newly-added reinforced concrete pond side wall 1 are anchored in the steel bar planting holes 4, the top ends of the wall body vertical steel bars 11 penetrate through the steel bar planting through holes 6 to extend upwards, two ends of wall body horizontal steel bars 12 of the newly-added reinforced concrete pond side wall 1 are respectively anchored in vertical members, a plurality of wall body vertical steel bars 11 and a plurality of wall body horizontal steel bars 12 form a two-layer wall body steel bar net structure, the two-layer wall body steel bar net structure is connected through a plurality of wall body tie bars 13 to form a wall body steel bar cage structure, and the newly-added reinforced concrete pond side wall 1 is formed by simultaneously pouring the groove 3 and the wall steel bar cage structure;
then, two ends of the constructional steel bars 10 of the anchoring body 7 are anchored into the top floor slab 5, the longitudinal steel bars 9 of the anchoring body 7 are bound on the constructional steel bars 10, the plurality of longitudinal steel bars 9 and the plurality of constructional steel bars 10 are connected to form an anchoring body steel reinforcement cage structure, the top ends of the wall body vertical steel bars 11 are positioned in the anchoring body steel reinforcement cage structure, and concrete is poured into the anchoring body steel reinforcement cage structure to form the anchoring body 7.
According to the embodiment, a groove is formed in a base plate of a foundation structure, concrete is poured in the groove, the newly poured concrete in the groove and the newly added reinforced concrete pool side wall are simultaneously poured to form an integrated structure, and the concrete structure in the groove forms a shear key; the top ends of the vertical steel bars of the wall body of the newly added reinforced concrete pool side wall are anchored into the top floor slab and the anchoring body to form effective anchoring connection; the shear key is arranged at the bottom of the newly-added reinforced concrete pond side wall, the anchoring body is arranged at the top of the newly-added reinforced concrete pond side wall, the shear key and the anchoring body provide effective anchoring connection for the newly-added reinforced concrete pond side wall, the force transmission mode of the traditional new and old concrete connection position is thoroughly changed, the traditional friction force transmission by the new and old concrete interface is changed into the shearing force transmission by the material, the traditional natural anchoring by the reinforced concrete is changed into the natural anchoring by the concrete, and the dispersion of the force transmission performance of the key connection position is reduced, so that:
(1) The force transmission mechanism at the interface is more reliable and effective, the shear connection strength of the new and old concrete interfaces is increased, and the shear connection strength is not excessively dependent on the quality of the interface construction, such as whether roughening is in place or not and whether cleaning is carried out or not, so that the construction difficulty and the strong correlation between the structural reliability and the construction quality are reduced;
(2) The thickness of the anchoring body can be set according to actual requirements, so that effective force transmission between the newly-added reinforced concrete pool side wall and the floor slab is ensured, and the problem of insufficient depth of the planted bar due to the excessively thin thickness of the traditional floor slab is solved;
(3) The upper support of the newly added reinforced concrete pond side wall is prevented from being arranged below the structural beam, and the problem that the lateral torsion resistance of the structural beam is insufficient due to the fact that the vertical steel bars of the wall body of the traditional newly added reinforced concrete pond side wall are anchored into the structural beam is solved;
(4) The newly-added reinforced concrete pool side wall is reliably connected with the original structure, so that the safety and reliability of the newly-added reinforced concrete pool side wall are improved.
In the description of the present utility model, it is to be understood that: the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are each based on the orientation or positional relationship shown in the drawings and are merely for convenience of description of the present utility model, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
In describing the present utility model, it should be noted that: the terms "mounted," "connected," "disposed," and "formed" are to be construed broadly, unless otherwise specifically defined and limited; for example, the device can be fixedly connected and arranged, can be detachably connected and arranged, or adopts an integrated structure; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated with each other inside the two components; the specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that the above embodiments are not limited to the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present utility model.
Claims (7)
1. Connecting structure of basement newly-increased reinforced concrete pond side wall and original structure, including newly-increased reinforced concrete pond side wall, its characterized in that: a groove extending along the side wall of the newly-added reinforced concrete pond is chiseled on the base structure bottom plate, a plurality of bar planting holes are formed in the inner bottom of the groove, the bar planting holes correspond to the vertical steel bars of the wall of the newly-added reinforced concrete pond and are consistent in number, a plurality of bar planting through holes which are correspondingly matched with the bar planting holes are formed in the top floor slab, and an anchoring body is arranged at the top of the top floor slab; the bottom ends of the vertical steel bars of the wall body are anchored into the bar planting holes, the top ends of the vertical steel bars of the wall body penetrate through the bar planting through holes and then are anchored into the anchoring bodies, and the two ends of the horizontal steel bars of the wall body of the newly added reinforced concrete pool side wall are respectively embedded with bars and anchored into the vertical members; the concrete used for filling the grooves and the newly added reinforced concrete pool side wall are poured simultaneously to form an integrated structure.
2. The connection structure of a newly added reinforced concrete pool sidewall to an existing structure of a basement according to claim 1, wherein the depth of the groove is at least 150mm.
3. The connection structure of the newly added reinforced concrete pool side wall and the original structure of the basement according to claim 1 or 2, wherein a roughening structure is arranged at the interface between the groove and the newly added reinforced concrete pool side wall.
4. The connection structure of the newly added reinforced concrete pool side wall and the original structure of the basement according to claim 1, wherein a roughening structure is arranged at the interface between the top floor slab and the newly added reinforced concrete pool side wall.
5. The connection structure of the newly added reinforced concrete pool side wall and the original structure of the basement according to claim 1, wherein the anchoring body is composed of reinforced concrete, a plurality of longitudinal steel bars and a plurality of constructional steel bars are arranged in the anchoring body, and the plurality of constructional steel bars are arranged at intervals along the length direction of the longitudinal steel bars.
6. The connection structure of the newly added reinforced concrete pool side wall and the original structure of the basement according to claim 5, wherein the construction steel bars are of an inverted U-shaped structure, and two ends of the construction steel bars of the inverted U-shaped structure are anchored into the top floor slab.
7. The connection structure of the newly added reinforced concrete pool sidewall to the original structure of the basement according to claim 6, wherein the interface between the top floor slab and the anchor body is provided with a chiseling structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510809.XU CN219952052U (en) | 2023-06-14 | 2023-06-14 | Connecting structure of newly added reinforced concrete pool side wall of basement and original structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510809.XU CN219952052U (en) | 2023-06-14 | 2023-06-14 | Connecting structure of newly added reinforced concrete pool side wall of basement and original structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952052U true CN219952052U (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321510809.XU Active CN219952052U (en) | 2023-06-14 | 2023-06-14 | Connecting structure of newly added reinforced concrete pool side wall of basement and original structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952052U (en) |
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2023
- 2023-06-14 CN CN202321510809.XU patent/CN219952052U/en active Active
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