CN211114143U - Connecting node of prefabricated slab - Google Patents
Connecting node of prefabricated slab Download PDFInfo
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- CN211114143U CN211114143U CN201920822905.5U CN201920822905U CN211114143U CN 211114143 U CN211114143 U CN 211114143U CN 201920822905 U CN201920822905 U CN 201920822905U CN 211114143 U CN211114143 U CN 211114143U
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Abstract
The utility model relates to an assembly type building element specifically discloses a connected node of prefabricated plate, include: the prefabricated slab comprises a first prefabricated slab, a second prefabricated slab and a connecting piece; a plurality of first rectangular grooves which are sunken inwards are arranged on the edge of the first precast slab, and a plurality of second rectangular grooves which are sunken inwards are arranged on the edge of the second precast slab; the first rectangular groove and the second rectangular groove are arranged correspondingly to each other; the connecting piece is arranged in the first rectangular groove and the second rectangular groove in a crossing mode; and cast-in-place concrete is arranged at one end of the connecting piece connected with the first rectangular groove and one end of the connecting piece connected with the second rectangular groove. The utility model discloses a first, second rectangular channel reserve in the mill during standardized production prefabricated plate for the vertical side surface parallel and level of prefabricated plate, and need not reserve the whipping bar, produce the shortcoming of non-standard prefabricated plate and the prefabricated plate need reserve the whipping bar when overcoming the convex-concave tenon of prefabricated plate and connect, be not convenient for the mill preparation and hoist and mount the shortcoming of transportation.
Description
Technical Field
The utility model relates to an assembly type building element, in particular to connected node of prefabricated plate.
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 plates, which can avoid producing non-standard prefabricated plates, can be produced industrially and is convenient to transport.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connection node of prefabricated panels, comprising: the prefabricated slab comprises a first prefabricated slab, a second prefabricated slab and a connecting piece;
a plurality of first rectangular grooves which are sunken inwards are arranged on the edge of the first precast slab, and a plurality of second rectangular grooves which are sunken inwards are arranged on the edge of the second precast slab; the first rectangular groove and the second rectangular groove are arranged correspondingly to each other;
the connecting piece is arranged in the first rectangular groove and the second rectangular groove in a crossing mode; and cast-in-place concrete is arranged at one end of the connecting piece connected with the first rectangular groove and one end of the connecting piece connected with the second rectangular groove.
Compared with the prior art, the utility model discloses a corresponding first rectangular channel and the second rectangular channel of setting up of first, the second prefabricated plate of adjacent connection to set up the connecting piece in first rectangular channel and second rectangular channel, make concreting between first rectangular channel, second rectangular channel, connecting piece, can realize the fixed connection between first, the second prefabricated plate. First rectangular channel and second rectangular channel are reserved when the prefabricated plate of standardized production in mill, guarantee the precision of groove, and the connecting piece is standard component, also can the batch production, guarantees the vertical side surface parallel and level of prefabricated plate, can standardized production under the condition that the modulus matches, and the mould kind can be reduced in the reduction of prefabricated plate kind, has improved the convenience of construction greatly. 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.
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. 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
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 another kind of prefabricated plate, include: the first prefabricated plate and the second prefabricated plate; a plurality of first rectangular grooves which are internally sunk are arranged on the edge of the first prefabricated plate, and a plurality of second rectangular grooves which are internally sunk are arranged on the edge of the second prefabricated plate; the first rectangular groove and the second rectangular groove enable the first prefabricated plate and the second prefabricated plate 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 a cross-sectional view of the steel bar skeleton of fig. 1, in the direction B-B, with a square cross-section of the connecting member;
fig. 3 is a cross-sectional view of the steel bar skeleton of fig. 1, taken along the direction a-a and having a square cross-section;
fig. 4 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;
fig. 5 is a cross-sectional view of the steel bar skeleton of fig. 1, in the direction of a-a, with a triangular cross-section of the connecting member;
fig. 6 is a front view of a steel reinforcement cage having a square cross section;
fig. 7 is a top view of a rebar skeleton having a square cross-section;
FIG. 8 is a cross-sectional view taken along the line C-C in FIG. 8;
fig. 9 is a front view of a rebar skeleton of triangular cross-section;
fig. 10 is a top view of a rebar skeleton of triangular cross-section;
fig. 11 is a cross-sectional view taken in the direction D-D of fig. 8.
In the figure:
1. a first prefabricated panel; 11. a first rectangular groove; 2. a second prefabricated panel; 12. a second rectangular 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. 1-11, the utility model provides a connected node of prefabricated plate, include: the prefabricated slab comprises a first prefabricated slab 1, a second prefabricated slab 2 and a connecting piece;
a plurality of first rectangular grooves 11 which are sunken in are formed in the edge of the first precast slab 1, and a plurality of second rectangular grooves 12 which are sunken in are formed in the edge of the second precast slab 2; the first rectangular groove 11 and the second rectangular groove 12 are arranged correspondingly to each other;
the connecting piece is arranged in the first rectangular groove 11 and the second rectangular groove 12 in a crossing mode; one end of the connecting piece connected with the first rectangular groove 11 and one end of the connecting piece connected with the second rectangular groove 12 are both provided with cast-in-place concrete.
Compared with the prior art, the utility model discloses a corresponding first rectangular channel 11 and the second rectangular channel 12 of setting up of first, the second prefabricated plate 2 of adjacent connection to set up the connecting piece in first rectangular channel 11 and second rectangular channel 12, make concreting between first rectangular channel 11, second rectangular channel 12, connecting piece, can realize the fixed connection between first, the second prefabricated plate 2. First rectangular channel 11 and second rectangular channel 12 are reserved when the prefabricated plate of standardized production in the mill, guarantee the precision of groove, and the connecting piece is standard component, also can the batch production, guarantees the vertical side surface parallel and level of prefabricated plate, can standardized production under the condition that the modulus matches, and the mould kind can be reduced in the reduction of prefabricated plate kind, has improved the convenience of construction greatly. 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 scope was laid to the prefabricated plate, 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.
The rectangular channel compares with the groove that the opening width on the flange edge is little, the tank bottom width is big at the inboard, has respective advantage, works as when first rectangular channel 11 and second rectangular channel 12 are the board inside groove width big, when the flange edge opening is little wedge groove, because big in the later-poured reserve groove concrete slab, the flange edge is little for not throw off easily with the precast slab concrete under the pulling force effect of adjacent piece prefabricated slab, guarantee the steadiness of the connection between the prefabricated slab, but when the groove is irregular, the construction operation of placing connecting piece and later-poured concrete is troublesome.
When the first rectangular groove 11 and the second rectangular groove 12 are rectangular, the construction operation of placing the connecting member and post-pouring concrete is convenient, but the tensile strength between the prefabricated panels can be weaker than that between the irregular grooves.
As shown in FIGS. 7 to 11, 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 second framework main ribs 41; 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.
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 rectangular 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 another kind of prefabricated plate, include: a first prefabricated plate 1 and a second prefabricated plate 2; a plurality of first rectangular grooves 11 which are sunken in are arranged on the edge of the first precast slab 1, and a plurality of second rectangular grooves 12 which are sunken in are arranged on the edge of the second precast slab 2; the first rectangular groove 11 and the second rectangular groove 12 enable the first prefabricated plate 1 and the second prefabricated plate 2 to be integrally cast through cast-in-place steel fiber 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 prefabricated panels, comprising: the prefabricated slab comprises a first prefabricated slab, a second prefabricated slab and a connecting piece;
a plurality of first rectangular grooves which are sunken inwards are arranged on the edge of the first precast slab, and a plurality of second rectangular grooves which are sunken inwards are arranged on the edge of the second precast slab; the first rectangular groove and the second rectangular groove are arranged correspondingly to each other;
the connecting piece is arranged in the first rectangular groove and the second rectangular groove in a crossing mode; and cast-in-place concrete is arranged at one end of the connecting piece connected with the first rectangular groove and one end of the connecting piece connected with the second rectangular groove.
2. The connection node of the prefabricated panels as claimed in claim 1, wherein the connection member is a steel reinforcement cage.
3. The connection node of the prefabricated panels according to claim 2, wherein the steel reinforcement 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.
4. The connection node of the prefabricated panels as claimed in claim 2, wherein the steel-reinforced frame comprises triangular frame stirrups and at least three second frame main reinforcements;
the second framework main reinforcement is hooped in the triangular framework hooped reinforcement.
5. The connection node of the prefabricated panels according to claim 4, wherein the steel reinforcement cage further comprises three 'V' -shaped cage welding bars, and the number of the second cage main bars is 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 prefabricated panels, comprising: the first prefabricated plate and the second prefabricated plate;
a plurality of first rectangular grooves which are internally sunk are arranged on the edge of the first prefabricated plate, and a plurality of second rectangular grooves which are internally sunk are arranged on the edge of the second prefabricated plate;
the first rectangular groove and the second rectangular groove enable the first prefabricated plate and the second prefabricated plate to be integrally cast through cast-in-place steel fiber concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822905.5U CN211114143U (en) | 2019-05-31 | 2019-05-31 | Connecting node of prefabricated slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822905.5U CN211114143U (en) | 2019-05-31 | 2019-05-31 | Connecting node of prefabricated slab |
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| CN211114143U true CN211114143U (en) | 2020-07-28 |
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| CN201920822905.5U Active CN211114143U (en) | 2019-05-31 | 2019-05-31 | Connecting node of prefabricated slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117990A (en) * | 2019-05-31 | 2019-08-13 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of prefabricated board |
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2019
- 2019-05-31 CN CN201920822905.5U patent/CN211114143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117990A (en) * | 2019-05-31 | 2019-08-13 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of prefabricated board |
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