CN220266643U - Foundation plate and foundation beam post-pouring belt structure - Google Patents

Foundation plate and foundation beam post-pouring belt structure Download PDF

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CN220266643U
CN220266643U CN202321651776.0U CN202321651776U CN220266643U CN 220266643 U CN220266643 U CN 220266643U CN 202321651776 U CN202321651776 U CN 202321651776U CN 220266643 U CN220266643 U CN 220266643U
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post
reinforcing steel
steel bar
pouring
foundation
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王�琦
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Shanghai Yangpu Architectural Design Co ltd
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Shanghai Yangpu Architectural Design Co ltd
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Abstract

The application relates to the technical field of constructional engineering and provides a foundation slab and foundation beam post-pouring strip structure which comprises post-pouring strip grooves and connecting steel bars, wherein steel wire meshes are arranged on two sides of each post-pouring strip groove; the connecting steel bars are arranged in an extending mode along the width direction of the post-pouring belt groove and connected with the steel wire meshes, and two ends of the connecting steel bars are respectively located in bottom plates on two sides of the post-pouring belt groove; the connecting steel bars are arranged in a plurality, and the connecting steel bars are arranged at intervals along the length direction of the post-pouring trough. The steel wire mesh piece has the effect of reducing the risk of shifting when pouring bottom plate concrete.

Description

Foundation plate and foundation beam post-pouring belt structure
Technical Field
The application relates to the field of constructional engineering technology, in particular to a foundation slab and foundation beam post-pouring strip structure.
Background
The post-cast strip is used for preventing harmful cracks of a cast-in-situ reinforced layer concrete structure due to uneven temperature and shrinkage in building construction, temporary construction joints are reserved at corresponding positions of a foundation slab, walls and beams according to design or construction specification requirements, the structure is temporarily divided into a plurality of parts, the construction joints are internally shrunk by members, and concrete is poured and smashed after a plurality of times, so that the structure is connected into a whole.
In post-cast strip construction, post-cast strip plugging is required to be performed by using a steel wire mesh to separate post-cast strip concrete from bottom plate concrete, but when the bottom plate concrete is poured, the steel wire mesh has the risk of shifting.
Disclosure of Invention
In order to reduce the risk of steel wire mesh piece emergence skew when pouring bottom plate concrete, this application provides a foundation plate, foundation beam post-cast strip structure.
The application provides a foundation bedplate, foundation beam post-cast strip structure adopts following technical scheme:
the post-pouring belt structure of the foundation slab and the foundation beam comprises post-pouring belt grooves and connecting steel bars, wherein steel wire meshes are arranged on two sides of each post-pouring belt groove; the connecting steel bars are arranged in an extending mode along the width direction of the post-pouring belt groove and connected with the steel wire meshes, and two ends of the connecting steel bars are respectively located in bottom plates on two sides of the post-pouring belt groove; the connecting steel bars are arranged in a plurality, and the connecting steel bars are arranged at intervals along the length direction of the post-pouring trough.
Through adopting above-mentioned technical scheme, utilize the connecting reinforcement to connect the steel wire net piece of post-pouring trough of belt both sides each other, form certain spacing. When the bottom layer of the bottom plate concrete is poured, connecting steel bars form a tie for the post ground grid, so that the risk of steel wire mesh deflection is reduced; when pouring the middle level of bottom plate concrete, the concrete is compacted the tip of connecting reinforcement gradually for when pouring the upper strata of bottom plate concrete, connecting reinforcement forms stronger spacing to wire net piece, thereby in each stage of pouring bottom plate concrete, all utilizes connecting reinforcement to carry out spacing to wire net piece, thereby reduces the risk that wire net piece takes place the skew.
Optionally, the post-pouring device further comprises a bottom reinforcing steel bar layer and an additional reinforcing steel bar layer, wherein the bottom reinforcing steel bar layer is positioned at the lower part of the post-pouring belt groove, and is arranged in an extending manner along the length direction of the post-pouring belt groove; two sides of the bottom reinforcing steel bar layer are respectively positioned in the bottom plates at two sides of the post-pouring belt groove; one side of the additional reinforcing steel bar layer is connected with the bottom reinforcing steel bar layer, and the other side of the additional reinforcing steel bar layer is connected with the connecting reinforcing steel bars.
By adopting the technical scheme, on one hand, the structural strength of the post-cast strip is enhanced by utilizing the bottom reinforcing steel bar layer and the additional reinforcing steel bar layer, and meanwhile, the connection strength between the post-cast strip and the bottom plate is also enhanced; on the other hand, the additional reinforcing steel bar layer is utilized to establish connection between the connecting reinforcing steel bars and the bottom reinforcing steel bar layer, so that the risk of deflection of the steel wire meshes in the process of pouring the bottom plate concrete is further reduced.
Optionally, the reinforced concrete slab further comprises a reinforced concrete bar, wherein the reinforced concrete bar comprises a first reinforced concrete bar and a second reinforced concrete bar, and one end of the first reinforced concrete bar is connected with the additional reinforced concrete bar layer; one end of the second reinforcing steel bar is connected with the additional reinforcing steel bar layer, and the other end of the second reinforcing steel bar is connected with one end, far away from the additional reinforcing steel bar layer, of the first reinforcing steel bar.
Through adopting above-mentioned technical scheme, all be connected first reinforcing bar and second reinforcing bar in the additional reinforcing bar layer to keep away from the one end interconnect on additional reinforcing bar layer with the two, make between first reinforcing bar, second reinforcing bar and the additional reinforcing bar layer form comparatively stable triangular structure, further improve the structural strength of post-cast strip.
Optionally, the second steel bar is located below the first steel bar, and the length of the second steel bar is smaller than that of the first steel bar.
By adopting the technical scheme, on one hand, the stability of a triangular structure formed between the reinforcing steel bars and the additional steel bar layer is improved; on the other hand, because the length of first reinforcing bar is greater than the length of second reinforcing bar, therefore first reinforcing bar sets up for the slope of additional reinforcing bar layer for first reinforcing bar forms certain support to post-cast strip concrete, improves post-cast strip's compressive and shear resistance.
Optionally, a space is provided between the second reinforcement and the bottom reinforcement layer, and a bridge type rubber water stop is provided in the space.
Through adopting above-mentioned technical scheme, on the one hand, utilize bridge type rubber waterstop to form the shutoff in the handing-over position department of post-cast strip and bottom plate, reduce the risk that underground steam shifts up in the clearance between post-cast strip and the bottom plate.
Optionally, a first rigid foam piece is arranged between the bridge type rubber water stop belt and the bottom of the post-pouring trough.
Through adopting above-mentioned technical scheme, utilize first rigid foam spare to form the support to bridge type rubber waterstop, reduce the deformation that bridge type rubber waterstop produced under each side pressure effect to reduce the disturbance that produces unset concrete when bridge type rubber waterstop takes place deformation, with the structural strength who ensures the post-cast strip.
Optionally, the reinforcing steel bar is provided with a plurality of, and a plurality of the reinforcing steel bar is followed the length direction interval arrangement setting of post-pouring trough.
By adopting the technical scheme, each part of the post-cast strip is stressed uniformly, and meanwhile, the structural strength of the post-cast strip is further improved.
Optionally, a second rigid foam piece is arranged above the bridge type rubber water stop, and the second rigid foam piece is used for supporting reinforcing steel bars at two sides of the post-pouring belt groove to be in butt joint.
By adopting the technical scheme, the second rigid foam piece is utilized to form abutting connection with the reinforcing steel bars, so that the tension of the first steel bars on the additional steel bar layer is not excessive when the first steel bars are subjected to pressure; on the other hand, under the centre gripping effect of first rigid foam spare and second rigid foam spare, form the protection to bridge type rubber waterstop, make simultaneously that concrete around the bridge type rubber waterstop takes place the expansion with heat and contraction with cold first rigid foam spare and second rigid foam spare produce corresponding deformation to reduce the position department of bridge type rubber waterstop and form the risk of hollowing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. limiting the steel wire meshes at two sides of the post-pouring belt groove by using connecting steel bars, so that the risk of deflection of the steel wire meshes in the process of pouring the bottom plate concrete is reduced;
2. by arranging the bottom reinforcing steel bar layer and the additional reinforcing steel bar layer, the additional reinforcing steel bar layer is connected to the bottom reinforcing steel bar layer, the connecting reinforcing steel bars are connected to the additional reinforcing steel bar layer, connection between the steel wire mesh sheet and the bottom reinforcing steel bar layer is established, and the risk of deflection of the steel wire mesh sheet is further reduced;
3. through setting up first rigid foam spare and second rigid foam spare at two surfaces that bridge type rubber waterstop deviate from each other, utilize first rigid foam spare to form the support to bridge type rubber waterstop, utilize two rigid foam spare to form the centre gripping to bridge type rubber waterstop, reduce deformation and the annex that bridge type rubber waterstop produced and form the hollowness.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of fig. 1 at a section a.
Reference numerals illustrate: 1. post-pouring grooved; 2. a bottom reinforcement layer; 3. adding a reinforcing steel bar layer; 4. connecting steel bars; 5. reinforcing steel bars; 51. a first reinforcing bar; 52. a second reinforcing bar; 6. a wire mesh sheet; 7. bridge type rubber water stop; 71. a first rigid foam member; 72. and a second rigid foam member.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a foundation bedplate and foundation beam post-pouring strip structure. Referring to fig. 1, a foundation slab, foundation beam post-cast strip structure includes a post-cast strip groove 1, a bottom reinforcement layer 2, an additional reinforcement layer 3, connecting reinforcement 4, and reinforcing reinforcement 5. The bottom reinforcement layer 2 extends along the length direction of the post-pouring belt groove 1, and two sides of the bottom reinforcement layer 2 extend into bottom plates at two sides of the post-pouring belt groove 1 respectively.
Referring to fig. 1, the additional reinforcing steel bar layer 3 is provided with two layers, and two layers of additional reinforcing steel bar layers 3 are connected in the both sides of bottom reinforcing steel bar layer 2 respectively, and two layers of additional reinforcing steel bar layers 3 all set up perpendicularly with bottom reinforcing steel bar layer 2 to utilize additional reinforcing steel bar layer 3 and bottom reinforcing steel bar layer 2 to strengthen the structural strength of post-cast strip, utilize bottom reinforcing steel bar layer 2 to form spacingly to additional reinforcing steel bar layer 3, reduce the risk that additional reinforcing steel bar layer 3 takes place the skew when pouring the bottom plate concrete. The connection mode between the additional reinforcing steel bar layer 3 and the bottom reinforcing steel bar layer 2 can be welding, binding or welding after binding.
Referring to fig. 1, wire mesh sheets 6 are arranged on both sides of the post-pouring strip groove 1, the wire mesh sheets 6 are arranged to extend along the length direction of the post-pouring strip groove 1, and the wire mesh sheets 6 are arranged vertically relative to the bottom reinforcing steel bar layer 2. The connecting steel bars 4 extend along the width direction of the post-pouring belt groove 1, two ends of the connecting steel bars 4 are respectively connected with the steel wire meshes 6 on two sides of the post-pouring belt groove 1 and extend into the bottom plates on two sides of the post-pouring belt groove 1 respectively, the connecting steel bars 4 are provided with a plurality of connecting steel bars 4 which are distributed at equal intervals along the length direction of the post-pouring belt groove 1. Thereby utilize connecting reinforcement 4 to form spacingly to the steel wire net piece 6 of post-cast trough 1 both sides, reduce the risk that steel wire net piece 6 takes place the skew in the in-process of pouring bottom plate concrete.
Further, referring to fig. 1, two ends of the connecting steel bars 4 are fixedly connected to the two additional steel bar layers 3 respectively, so that on one hand, the steel wire mesh 6 and the additional steel bar layers 3 are overlapped, and the shearing resistance of the post-cast strip is improved; on the other hand, connection is established between the steel wire net piece 6 and the bottom steel bar layer 2, and the risk of deflection of the steel wire net piece 6 in the process of pouring the bottom plate concrete is further reduced.
Referring to fig. 1, the reinforcing bar 5 includes a first bar 51 and a second bar 52, and one end of the first bar 51 is connected to the additional bar layer 3. One end of the second reinforcing bar 52 is connected to the additional reinforcing bar layer 3, and the other end is connected to one end of the first reinforcing bar 51 remote from the additional reinforcing bar layer 3. Thereby forming a relatively stable triangular structure between the first reinforcing steel bars 51, the second reinforcing steel bars 52 and the additional reinforcing steel bar layer 3, and further improving the structural strength of the post-cast strip.
Further, the first reinforcing steel bars 51 are hinged to the additional reinforcing steel bar layer 3, the second reinforcing steel bars 52 are hinged to the additional reinforcing steel bar layer 3, and the first reinforcing steel bars 51 are hinged to the second reinforcing steel bars 52. By means of the design, when the post-cast strip concrete is poured, the post-cast strip groove 1 is gradually filled with the concrete from bottom to top, the concrete firstly generates upward buoyancy force to the reinforcing steel bars 5, then generates downward pressure force, and the reinforcing steel bars 5 can generate fine adaptive movement relative to the additional steel bar layers 3 in a hinged connection mode, so that the risk of damage to the connection positions of the reinforcing steel bars 5 and the additional steel bar layers 3 is reduced.
Further, the length of the first reinforcing steel bars 51 is greater than that of the second reinforcing steel bars 52, and the second reinforcing steel bars 52 are horizontally arranged, so that the first reinforcing steel bars 51 are obliquely arranged relative to the additional reinforcing steel bar layer 3, the concrete above the reinforcing steel bars 5 is supported, and the structural strength of the post-cast strip is further improved.
Referring to fig. 2, there is a space between the first reinforcing steel bars 51 and the bottom reinforcing steel bar layer 2, in which a bridge type rubber water stop 7 is provided, and the bridge type rubber water stop 7 is extended along the length direction of the post-pouring spout 1, so as to reduce the risk of the underground water vapor moving up from the connection position of the bottom plate and the post-pouring spout.
Referring to fig. 2, two surfaces of the bridge rubber water stop 7 facing away from each other are respectively connected with a first rigid foam member 71 and a second rigid foam member 72, the first rigid foam member 71 is located between the bottom reinforcement layer 2 and the bridge rubber water stop 7, the second rigid foam member 72 is located above the bridge rubber water stop 7, and the second rigid foam member 72 is used for abutting the reinforcing reinforcement 5. The first rigid foam member 71 and the second rigid foam member 72 are made of polystyrene, and have good deformability and heat-insulating properties. By means of the design, the first rigid foam piece 71 is utilized to support the bridge type rubber water stop 7, deformation of the bridge type rubber water stop 7 in the process of pouring post-pouring concrete is reduced, disturbance of the bridge type rubber water stop 7 to the concrete is reduced, and bearing of the bridge type rubber water stop 7 is reduced; the second rigid foam member 72 is abutted against the reinforcing steel bar 5, so that the tension of the first reinforcing steel bar 51 on the additional reinforcing steel bar layer 3 is not excessively large when the first reinforcing steel bar 51 is subjected to pressure; on the other hand, under the clamping action of the first rigid foam member 71 and the second rigid foam member 72, protection is formed on the bridge-type rubber water stop 7, and meanwhile, when the concrete around the bridge-type rubber water stop 7 expands with heat and contracts with cold, the first rigid foam member 71 and the second rigid foam member 72 generate corresponding deformation, so that the risk of forming a hollowing at the position of the bridge-type rubber water stop is reduced.
The implementation principle of the foundation bedplate and foundation beam post-pouring belt structure is as follows: when the post-pouring strip is constructed, a bottom reinforcing steel bar layer 2 is paved firstly, then an additional reinforcing steel bar layer 3 is welded and fixed on the bottom reinforcing steel bar layer 2, and meanwhile, reinforcing steel bars 5 are connected with the additional reinforcing steel bar layer 3; then a bridge type rubber water stop 7 connected with the first rigid foam member 71 and the second rigid foam member 72 is placed at a spaced position between the second reinforcing steel bars 52 and the bottom reinforcing steel bar layer 2; then welding and fixing the plurality of connecting steel bars 4 connected with the steel wire mesh 6 on the additional steel bar layer 3; and finally, casting bottom plate concrete on two sides of the steel wire mesh 6, waiting for a certain time after the bottom plate concrete is solidified, and casting post-cast strip concrete.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. Foundation plate, foundation beam post-cast strip structure, its characterized in that: the post-pouring belt trough comprises a post-pouring belt trough (1) and connecting steel bars (4), wherein steel wire meshes (6) are arranged on two sides of the post-pouring belt trough (1); the connecting steel bars (4) are arranged in an extending mode along the width direction of the post-pouring belt groove (1) and are connected with the steel wire meshes (6), and two ends of the connecting steel bars (4) are respectively positioned in bottom plates at two sides of the post-pouring belt groove (1); the connecting steel bars (4) are arranged in a plurality, and the connecting steel bars (4) are arranged at intervals along the length direction of the post-pouring trough (1); the post-pouring type steel bar casting machine further comprises a bottom steel bar layer (2) and an additional steel bar layer (3), wherein the bottom steel bar layer (2) is positioned at the lower part of the post-pouring type steel bar casting machine groove (1), and the bottom steel bar layer (2) is arranged in an extending mode along the length direction of the post-pouring type steel bar casting machine groove (1); two sides of the bottom reinforcing steel bar layer (2) are respectively positioned in bottom plates at two sides of the post-pouring belt groove (1); one side of the additional reinforcing steel bar layer (3) is connected with the bottom reinforcing steel bar layer (2), and the other side is connected with the connecting reinforcing steel bars (4).
2. The foundation bedplate, foundation beam post-cast strip structure of claim 1, wherein: the reinforced concrete pile further comprises a reinforced concrete bar (5), wherein the reinforced concrete bar (5) comprises a first reinforced concrete bar (51) and a second reinforced concrete bar (52), and one end of the first reinforced concrete bar (51) is connected with the additional reinforced concrete bar layer (3); one end of the second reinforcing steel bar (52) is connected to the additional reinforcing steel bar layer (3), and the other end of the second reinforcing steel bar is connected to one end, far away from the additional reinforcing steel bar layer (3), of the first reinforcing steel bar (51).
3. The foundation bedplate, foundation beam post-cast strip structure of claim 2, wherein: the second reinforcing steel bar (52) is located below the first reinforcing steel bar (51), and the length of the second reinforcing steel bar (52) is smaller than that of the first reinforcing steel bar (51).
4. A foundation slab, foundation beam post-cast strip structure according to claim 2 or 3, wherein: and a space is arranged between the second reinforcing steel bars (52) and the bottom reinforcing steel bar layer (2), and a bridge type rubber water stop (7) is arranged in the space.
5. The foundation bedplate, foundation beam post-cast strip structure of claim 4, wherein: a first rigid foam piece (71) is arranged between the bridge type rubber water stop belt (7) and the bottom of the post-pouring trough (1).
6. The foundation bedplate, foundation beam post-cast strip structure of claim 4, wherein: the reinforcing steel bars (5) are arranged in a plurality, and the reinforcing steel bars (5) are arranged at intervals along the length direction of the post-pouring trough (1).
7. The foundation bedplate, foundation beam post-cast strip structure of claim 6, wherein: the bridge type rubber water stop strip (7) is provided with a second rigid foam piece (72) above, and the second rigid foam piece (72) is used for being abutted by reinforcing steel bars (5) on two sides of the post-pouring belt groove (1).
CN202321651776.0U 2023-06-27 2023-06-27 Foundation plate and foundation beam post-pouring belt structure Active CN220266643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321651776.0U CN220266643U (en) 2023-06-27 2023-06-27 Foundation plate and foundation beam post-pouring belt structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321651776.0U CN220266643U (en) 2023-06-27 2023-06-27 Foundation plate and foundation beam post-pouring belt structure

Publications (1)

Publication Number Publication Date
CN220266643U true CN220266643U (en) 2023-12-29

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CN202321651776.0U Active CN220266643U (en) 2023-06-27 2023-06-27 Foundation plate and foundation beam post-pouring belt structure

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