CN210562680U - Connection node of prefabricated plate with groove - Google Patents
Connection node of prefabricated plate with groove Download PDFInfo
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- CN210562680U CN210562680U CN201920822927.1U CN201920822927U CN210562680U CN 210562680 U CN210562680 U CN 210562680U CN 201920822927 U CN201920822927 U CN 201920822927U CN 210562680 U CN210562680 U CN 210562680U
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Abstract
The utility model relates to an assembled building component, in particular to a connecting node of a precast slab with a groove, which comprises a first precast slab, a second precast slab and a connecting piece; a plurality of first grooves which are sunken inwards are arranged on the edge of the first precast slab, and the opening width of the first grooves on the edge of the first precast slab is smaller than the width of the groove bottom in the first precast slab; a plurality of second grooves which are inwards sunk are formed in the edge of the second prefabricated plate; the opening width of the second groove on the edge of the second prefabricated plate is smaller than the width of the groove bottom in the second prefabricated plate; the first rectangular groove and the second rectangular groove are arranged correspondingly to each other; the connecting piece is arranged in the first groove and the second groove in a crossing mode; the connecting piece with the one end that the first groove is connected, the connecting piece with the one end that the second groove is connected all is provided with cast in situ concrete. The utility model discloses first, second groove are reserved when the factory produces the prefabricated plate, overcome the inconvenient preparation of non-prefabricated plate and hoist and mount transportation shortcoming.
Description
Technical Field
The utility model relates to an assembly type building element, in particular to connected node of prefabricated plate with trough.
Background
In prefabricated buildings, prefabricated panel members are usually prefabricated at a factory, and then the prefabricated panels are connected at a construction site to form an integral structure by casting concrete in situ at the connection nodes. The existing connection methods of prefabricated plates mainly comprise convex-concave tenon connection, straight bolt connection, wet connection and the like.
The convex-concave tenon connection has higher requirement on the manufacturing precision of the component; if the size of the structural slab is smaller, the structural size of the tenon and mortise is unlikely to be large, the constraint capacity of adjacent prefabricated slabs is quite limited, and the ratio of the total laying length of the prefabricated slabs to the size of a single slab cannot be an integer due to the adoption of convex-concave tenon connection, or the laying range is slightly enlarged or non-standard prefabricated slabs are generated;
the straight bolt connection has very high requirements on the precision of manufacturing and mounting of the prefabricated plates, the fault tolerance is poor, the length of the bolt cannot be very long if the prefabricated plates are thin, and the mutual constraint capacity between the adjacent plates is also poor.
The adjacent prefabricated plates connected by the wet method are not directly connected, the steel bars are reserved mutually, concrete is cast in situ in gaps between the adjacent prefabricated plates, the connection between the adjacent prefabricated plates is realized, although the connection reliability between the prefabricated plates can be ensured by the connection mode, a large amount of concrete is required to be cast in situ, a large amount of templates need to be erected on site, and meanwhile, the steel bars are required to be thrown out, so that the prefabricated plates are not convenient for factory production and hoisting transportation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a connection node of prefabricated plate with a groove, which can avoid producing non-standard prefabricated plate, can be produced industrially and is convenient for transportation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connection node of a grooved prefabricated panel, comprising: the prefabricated slab comprises a first prefabricated slab, a second prefabricated slab and a connecting piece;
a plurality of first grooves which are sunken inwards are arranged on the edge of the first precast slab, and the opening width of the first grooves on the edge of the first precast slab is smaller than the width of the groove bottom in the first precast slab;
a plurality of second grooves which are inwards sunk are formed in the edge of the second prefabricated plate; the opening width of the second groove on the edge of the second prefabricated plate is smaller than the width of the groove bottom in the second prefabricated plate;
the first rectangular groove and the second rectangular groove are arranged correspondingly to each other;
the connecting piece is arranged in the first groove and the second groove in a crossing mode;
the connecting piece with the one end that the first groove is connected, the connecting piece with the one end that the second groove is connected all is provided with cast in situ concrete.
Compared with the prior art, the utility model discloses a corresponding first groove and the second groove of setting of first, the second prefabricated plate of adjacent connection to set up the connecting piece that spanes in first groove and second inslot, make and pour the concrete between first groove, second groove, connecting piece, can realize the fixed connection between first, the second prefabricated plate. The first groove and the second groove are reserved during standardized production of the prefabricated plates in a factory, the precision of the grooves is guaranteed, the connecting piece is a standard component, the prefabricated plates can be produced in a factory, the surfaces of the longitudinal side edges of the prefabricated plates are flush, standardized production can be achieved under the condition that the modules are matched, the types of the prefabricated plates are reduced, the types of molds can be reduced, and construction convenience is greatly improved. Meanwhile, the defects that non-standard precast slabs are generated during convex-concave tenon connection of the precast slabs in the prior art, the defects that the requirements on the manufacturing and mounting precision of members are high and the fault-tolerant capability is poor due to straight bolt connection are overcome, and the defects that a large amount of cast-in-place concrete operation is required, the precast slabs need to be reserved with throwing ribs, and the factory manufacturing and hoisting transportation are inconvenient due to wet connection are overcome. The utility model ensures that the concrete of the later poured preformed groove is not easily separated from the concrete of the precast slabs of the adjacent blocks under the action of the tensile force of the precast slabs of the adjacent blocks by setting the preformed groove to be a groove body with a large inner opening and a small opening at the edge of the slab; the stability of the connection between the prefabricated plates is ensured.
Preferably, the first and second slots are "T" shaped slots.
Preferably, the first and second grooves are wedge-shaped grooves.
Preferably, the connecting piece is a steel reinforcement framework.
The utility model discloses a set the connecting piece to steel reinforcement framework, steel reinforcement framework's specification can be according to building structure's atress needs when production and do corresponding adjustment, can further guarantee the bearing capacity of structure and resist the ability that the difference warp.
Preferably, the steel bar framework comprises a plurality of square framework stirrups and at least four first framework main reinforcements; the first framework main reinforcement is hooped in the square framework hoop.
Preferably, the steel reinforcement framework comprises a triangular framework stirrup and at least three second framework main reinforcements; the second framework main reinforcement is hooped in the triangular framework hooped reinforcement.
Preferably, the steel reinforcement framework further comprises a V-shaped framework welding rib, and the top of the V-shaped framework welding rib and the two ends of the V-shaped framework welding rib are respectively welded on different second framework main ribs.
The utility model discloses another aspect still provides the connected node of prefabricated plate of another kind of trough of belt, include: the first prefabricated plate and the second prefabricated plate; a plurality of first grooves which are internally sunk are arranged on the edge of the first prefabricated plate, and a plurality of second grooves which are internally sunk are arranged on the edge of the second prefabricated plate; the first groove is a groove with a large opening in the plate and a small opening at the edge of the plate of the first precast plate, and the second groove is a groove with a large opening in the plate and a small opening at the edge of the plate of the second precast plate; the first groove and the second groove enable the first precast slab and the second precast slab to be integrally cast through cast-in-place steel fiber concrete.
Drawings
The present invention will now be further described with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a schematic view of one of the structures of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
fig. 3 is a cross-sectional view of the steel bar skeleton of fig. 1, taken along the direction B-B and having a square cross-section;
3 fig. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 the 3 steel 3 bar 3 skeleton 3 of 3 fig. 31 3 taken 3 along 3 the 3 direction 3 a 3- 3 a 3 and 3 having 3 a 3 square 3 cross 3- 3 section 3; 3
Fig. 5 is a cross-sectional view of the steel bar skeleton of fig. 1, in the direction B-B, with a triangular cross-section of the connecting member;
3 fig. 3 6 3 is 3 a 3 cross 3- 3 sectional 3 view 3 of 3 the 3 steel 3 bar 3 skeleton 3 of 3 fig. 31 3 taken 3 along 3 the 3 direction 3 a 3- 3 a 3 and 3 having 3 a 3 triangular 3 cross 3- 3 section 3; 3
Fig. 7 is a front view of a steel reinforcement cage having a square cross section;
fig. 8 is a top view of a rebar skeleton having a square cross-section;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
fig. 10 is a front view of a rebar skeleton of triangular cross-section;
fig. 11 is a top view of a rebar skeleton of triangular cross-section;
fig. 12 is a cross-sectional view taken in the direction D-D of fig. 11.
In the figure:
1. a first prefabricated panel; 11. a first groove; 2. a second prefabricated panel; 21. a second groove; 3. the cross section of the steel bar framework is square; 31. a first framework main rib; 32. a square framework stirrup; 4. the cross section of the steel bar framework is triangular; 41. a second framework main rib; 42. a triangular framework stirrup; 43. the V-shaped framework is provided with welding ribs.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-12, the utility model provides a connected node of prefabricated plate of trough of belt, include: the prefabricated slab comprises a first prefabricated slab 1, a second prefabricated slab 2 and a connecting piece;
a plurality of sunken first grooves 11 are formed in the edge of the first precast slab 1, and the opening width of the first grooves 11 on the edge of the first precast slab 1 is smaller than the width of the groove bottom in the first precast slab 1;
a plurality of second grooves 21 which are sunken inwards are arranged on the edge of the second precast slab 2; the opening width of the second slot 21 on the edge of the second prefabricated panel 2 is smaller than the width of the slot bottom in the second prefabricated panel 2;
the first rectangular groove and the second rectangular groove are arranged correspondingly to each other;
the connecting piece is arranged in the first groove 11 and the second groove 21 in a crossing mode;
the connecting piece with the one end that first groove 11 is connected, the connecting piece with the one end that second groove 21 is connected all is provided with cast in situ concrete.
Compared with the prior art, the utility model discloses a corresponding first groove 11 and the second groove 21 of setting up of first, the second prefabricated plate 2 of adjacent connection to set up the connecting piece in first groove 11 and second groove 21, make concreting between first groove 11, second groove 21, connecting piece, can realize the fixed connection between first, the second prefabricated plate 2. The first groove 11 and the second groove 21 are reserved when the prefabricated plates are produced in a standardized mode in a factory, the precision of the grooves is guaranteed, the connecting pieces are standard members, the prefabricated plates can also be produced in a factory, the surfaces of the longitudinal side edges of the prefabricated plates are flush, standardized production can be achieved under the condition that the modules are matched, the types of the prefabricated plates are reduced, the types of molds can be reduced, and the convenience of construction is greatly improved. Meanwhile, the defects that non-standard precast slabs are generated during convex-concave tenon connection of the precast slabs in the prior art, the defects that the requirements on the manufacturing and mounting precision of members are high and the fault-tolerant capability is poor due to straight bolt connection are overcome, and the defects that a large amount of cast-in-place concrete operation is required, the precast slabs need to be reserved with throwing ribs, and the factory manufacturing and hoisting transportation are inconvenient due to wet connection are overcome. The utility model discloses can make adjacent prefabricated plate produce sufficient restraint and do not take place to stagger mutually, can needn't produce the non-standard prefabricated plate or increase the prefabricated plate rigid connection method that the prefabricated plate laid the scope, can reduce the volume of pouring of on-the-spot concrete again simultaneously, make things convenient for the engineering construction greatly, have better practical value.
Preferably, the first and second grooves 11 and 21 are "T" shaped or wedge shaped grooves.
The utility model adopts the groove body with large inner opening and small plate edge opening, and ensures that the post-cast concrete in the preformed groove can not be separated from the precast slab concrete under the action of the tension of the precast slabs of the adjacent blocks because the post-cast concrete in the preformed groove has large inner opening and small plate edge; the stability of the connection between the prefabricated plates is ensured.
Compared with regular troughs, such as the rectangular first trough 11 and the rectangular second trough 21, irregular troughs, such as T-shaped troughs or wedge-shaped troughs, the construction operation for placing the connecting pieces and post-pouring concrete is troublesome.
As shown in fig. 7 to 12, the connecting member is a steel bar framework.
Preferably, the steel reinforcement framework comprises a plurality of square framework stirrups 32 and at least four first framework main reinforcements 31; the first framework main rib 31 is hooped in the square framework hoop rib 32; the first framework main ribs 31 hooped in the square framework hooping ribs 32 are encircled into a frame body with a square cross section; the steel reinforcement framework is also made to be the steel reinforcement framework 3 with the square cross section.
Or, the steel reinforcement framework comprises a triangular framework stirrup 42 and at least three second framework main reinforcements 41; the second framework main reinforcement 41 is hooped in the triangular framework hooped reinforcement; the second framework main ribs 41 hooped in the triangular framework hooping 42 form a frame body with a triangular cross section; the steel reinforcement framework is also made into a steel reinforcement framework 4 with a triangular cross section.
Preferably, the steel reinforcement framework further comprises three V-shaped framework welding ribs 43, and the number of the second framework main ribs is three; the vertex of the V-shaped framework welding rib 43 and the two ends of the V-shaped framework welding rib 43 are respectively welded on the different second framework main ribs 41.
The utility model discloses a set the connecting piece to steel reinforcement framework, steel reinforcement framework's specification can be according to building structure's atress needs when production and do corresponding adjustment, can further guarantee the bearing capacity of structure and resist the ability that the difference warp. The adjacent plates are connected by adopting the preformed groove and the steel reinforcement framework, so that the constraint capacity between the adjacent structural plates is greatly enhanced, the deformation resistance is greatly enhanced, and the structural integrity of the assembled structure is also enhanced
Generally, the utility model has the following advantages:
1) the prefabricated plate can be standardized in a factory, and the production quality is convenient to guarantee; 2) the grooves required by the connection of the adjacent blocks can be reserved when the prefabricated slab is produced in an industrialized manner, so that the precision can be ensured; 3) the connecting steel reinforcement frameworks between adjacent prefabricated plates are standard components, so that the prefabricated plates can be produced in an industrial manner; 4) by adopting the connection mode, enough rigidity between the adjacent prefabricated plates can be ensured, and the influence on use caused by dislocation and deformation can be avoided; 5) the T-shaped groove or the wedge-shaped groove is adopted, the shape is regular, the tensile property is good, and the construction is convenient; 6) when the prefabricated slab is produced, no steel bars are thrown, the periphery is smooth, and the hoisting and the transportation are convenient; 7) the standardized production can be completely adopted, the nonstandard production is not generated, and the die is saved.
If a steel bar is placed in the preformed groove, the connection between the prefabricated plates is weaker, a steel bar framework is arranged in the preformed groove, the steel bar framework spans two adjacent prefabricated plates, the specification of the steel bar framework can be correspondingly adjusted according to the stress requirement of the structure, and the bearing capacity and the capacity of resisting differential deformation are guaranteed.
The utility model discloses another aspect still provides the connected node of prefabricated plate of another kind of trough of belt, include: a first prefabricated plate 1 and a second prefabricated plate 2; a plurality of first grooves 11 which are sunken in are arranged on the edge of the first precast slab 1, and a plurality of second grooves 21 which are sunken in are arranged on the edge of the second precast slab 2; the first groove 11 is a groove with a large opening in the plate and a small opening at the edge of the plate of the first precast plate 1, and the second groove 21 is a groove with a large opening in the plate and a small opening at the edge of the plate of the second precast plate 2; the first and second slots 11 and 21 enable the first and second prefabricated panels 1 and 2 to be cast into a whole through cast-in-place steel fiber reinforced concrete.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (6)
1. A connection node of grooved prefabricated panels, comprising: the prefabricated slab comprises a first prefabricated slab, a second prefabricated slab and a connecting piece;
a plurality of first grooves which are sunken inwards are arranged on the edge of the first precast slab, and the opening width of the first grooves on the edge of the first precast slab is smaller than the width of the groove bottom in the first precast slab;
a plurality of second grooves which are inwards sunk are formed in the edge of the second prefabricated plate; the opening width of the second groove on the edge of the second prefabricated plate is smaller than the width of the groove bottom in the second prefabricated plate;
the first groove and the second groove are arranged correspondingly;
the connecting piece is arranged in the first groove and the second groove in a crossing mode;
cast-in-place concrete is arranged at one end of the connecting piece connected with the first groove and one end of the connecting piece connected with the second groove;
the first groove and the second groove are T-shaped grooves or wedge-shaped grooves.
2. The connection node of the grooved prefabricated slab of claim 1, wherein the connection member is a steel-reinforced skeleton.
3. The connection node of the grooved prefabricated slab of claim 2, wherein the steel reinforcement cage includes a plurality of square cage stirrups, and at least four first cage main reinforcements;
the first framework main reinforcement is hooped in the square framework hoop.
4. The connection node of the grooved prefabricated slab of claim 2, wherein the reinforcing cage includes a triangular cage stirrup and at least three second cage main bars;
the second framework main reinforcement is hooped in the triangular framework hooped reinforcement.
5. The connection node of the grooved prefabricated slab of claim 4, wherein the steel-reinforced frame further includes "V" -shaped frame welding bars, and the second frame main bars include three;
the vertex of the V-shaped framework welding rib and the two ends of the V-shaped framework welding rib are respectively welded on different second framework main ribs.
6. A connection node of grooved prefabricated panels, comprising: the first prefabricated plate and the second prefabricated plate;
a plurality of first grooves which are internally sunk are arranged on the edge of the first prefabricated plate, and a plurality of second grooves which are internally sunk are arranged on the edge of the second prefabricated plate;
the first groove is a groove with a large opening in the plate and a small opening at the edge of the plate of the first precast plate, and the second groove is a groove with a large opening in the plate and a small opening at the edge of the plate of the second precast plate;
the first groove and the second groove are T-shaped grooves or wedge-shaped grooves;
the first groove and the second groove enable the first precast slab and the second precast slab to be integrally cast through cast-in-place steel fiber concrete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822927.1U CN210562680U (en) | 2019-05-31 | 2019-05-31 | Connection node of prefabricated plate with groove |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920822927.1U CN210562680U (en) | 2019-05-31 | 2019-05-31 | Connection node of prefabricated plate with groove |
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| CN210562680U true CN210562680U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130505A (en) * | 2019-05-31 | 2019-08-16 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of the prefabricated board of trough of belt |
-
2019
- 2019-05-31 CN CN201920822927.1U patent/CN210562680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130505A (en) * | 2019-05-31 | 2019-08-16 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of the prefabricated board of trough of belt |
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