CN217517829U - Connecting structure for building prefabricated floor and roof board - Google Patents
Connecting structure for building prefabricated floor and roof board Download PDFInfo
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- CN217517829U CN217517829U CN202220803264.0U CN202220803264U CN217517829U CN 217517829 U CN217517829 U CN 217517829U CN 202220803264 U CN202220803264 U CN 202220803264U CN 217517829 U CN217517829 U CN 217517829U
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Abstract
The utility model discloses a connecting structure of building prefabricated floor roof boards, which is characterized in that a plurality of pre-buried steel plates are arranged between the side surfaces of two prefabricated floor boards; each pre-buried steel plate is connected with each prefabricated floor plate on the side surface of the pre-buried steel plate through at least one strand of pre-buried fixed steel bar, and is welded with the pre-buried steel plates of the adjacent floor roof plates; each the same side of pre-buried steel sheet is two strands of pre-buried anchor reinforcing bars at least, forms an contained angle a respectively between these two strands of pre-buried anchor reinforcing bars of same side moreover. And after every two pre-buried steel plates are welded, pouring concrete on the whole floor roof plate to form a cast-in-place laminated layer. The utility model discloses a prefabricated floor panel connection structure of building has improved the anti-shear strength and the tensile strength of connecting between the prefabricated floor panel, has increased coincide floor structure's bulk rigidity, has strengthened coincide floor structure and has coordinated the working ability reinforce, has increased cast-in-place superimposed layer, has improved the joint strength and the rigidity of the prefabricated floor panel of large-span on the whole.
Description
Technical Field
The utility model relates to the technical field of, especially, relate to prefabricated floor roof boarding connection structure of building.
Background
The large-span prestressed double-T plate has the advantage that the plate surface can creep under the long-term constant live load action of the floor and the roof. The crack of the board surface is deformed, the coordination working capability of the whole floor is poor, the horizontal resistance of the whole building is poor, and the rigidity is weak.
In addition, if the prestressed double-T plate is placed on the flange of the precast concrete beam, deformation cracks between concrete and the concrete are easily generated at the support position and even the concrete falls off under the temperature stress and the creep acting force of the prestressed double-T plate at the later stage. And the prestressed double-T plate and the precast beam are not connected integrally and reliably. The coordination working capability of the whole body of the plate, the beam and the column is poor.
In the prior art, chinese patent CN103850352B discloses a method for connecting prefabricated floor panels, in which a first prefabricated floor panel and a second prefabricated floor panel are connected into a whole, and semi-ring-shaped steel bars are embedded in the side edges of the first prefabricated floor panel; semi-annular steel bars are embedded in the side edges of the second prefabricated floor slab, and transverse U-shaped steel bars with the end portions bent upwards are hung on the semi-annular steel bars; rotating the transverse U-shaped steel bar around the semi-annular steel bar, and inserting the bent part at the end part into the gap between the side edge of the first prefabricated floor panel and the semi-annular steel bar; erecting a template at the lower part of a reserved gap between the prefabricated floor panels, and pouring concrete in the reserved gap to connect the prefabricated floor panels into a whole; or erecting a template at the lower part of the reserved gap, and pouring concrete in the reserved gap and the upper part of the prefabricated floor slab to form the prefabricated concrete composite slab. The utility model discloses a technical scheme can improve the wholeness of assembling integral concrete structure, but its this prefabricated floor panel bearing capacity is not enough in the use in concrete use, is difficult to satisfy the operation requirement of the big prefabricated floor panel of large-span, can produce the disturbance after trying a dead time and warp etc..
The utility model discloses the technical problem that needs to solve is: how to improve the joint strength of the prefabricated floor panel prepared by the large-span prestressed double-T plate so as to enhance the shear strength and the tensile strength of the prefabricated floor panel.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a plurality of pre-buried steel plates arranged between two prefabricated floor panels; each embedded steel plate is connected with each prefabricated floor panel on the side surface of the embedded steel plate through at least one strand of embedded anchoring reinforcing steel bar, and is connected with the adjacent embedded steel plates in a welding mode; and pouring concrete on the two embedded steel plates and the embedded anchor fixing steel bars to form a cast-in-place laminated layer so as to effectively strengthen the large-span double-T plates to prepare the building prefabricated floor panel connecting structure with high shear strength and high tensile strength.
The utility model adopts the technical proposal that:
a connecting structure of a building prefabricated floor panel,
arranging a plurality of embedded steel plates between the two prefabricated floor panels;
each pre-buried steel plate is connected with each prefabricated floor panel on the side surface of the pre-buried steel plate through at least one strand of pre-buried anchoring reinforcing steel bar, and is connected with the adjacent pre-buried steel plates in a welding mode;
and pouring concrete on the two embedded steel plates and the embedded anchor fixing steel bars to form a cast-in-place laminated layer.
Furthermore, each the same side of pre-buried steel sheet establishes two at least strands of pre-buried anchor fixed steel bars, forms an contained angle a between these strands of pre-buried anchor fixed steel bars of same side respectively moreover.
Furthermore, the plurality of strands of the embedded anchoring steel bars on the prefabricated floor panel and the plurality of strands of the embedded anchoring steel bars on the adjacent prefabricated floor panel are symmetrically arranged.
Further, the prefabricated floor panel is a prefabricated double-T plate.
Furthermore, when the double T-shaped plates are prefabricated, a space of the cast-in-place superposed layer is reserved at the upper part of the double T-shaped plates. Exposed truss steel bars, stirrups at the upper parts of the plate ribs and stressed main bars.
Furthermore, the two sides of the prefabricated floor slab above the top center pillar support prefabricated beam or the side pillar support prefabricated beam of the slab stacking layer are respectively provided with a hogging moment main reinforcement.
Furthermore, the two sides above the center pillar support precast beam or the side pillar support precast beam on the upper part of the plate rib beam superposed layer of the prefabricated floor panel are respectively provided with a hogging moment main reinforcement.
Further, the hogging moment main reinforcement has a length not less than 1/3 span of the prefabricated floor panel.
Furthermore, an inclined support is additionally arranged between the prefabricated floor slab rib beam and the floor column.
Further, the prefabricated floor panel is provided with a flexible support, such as a rubber support and the like, at the position where the center pillar support prefabricated beam or the side pillar support prefabricated beam is placed.
Furthermore, the prefabricated roof panel is provided with a tongue-and-groove at the connecting position with the prefabricated roof panel, and a flexible waterproof filling material is arranged between the two butted tongues.
Furthermore, a protective layer is additionally arranged on the upper part of the flexible waterproof filling material.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the shear strength and the tensile strength of connection between prefabricated floor panels are improved: specifically set up a plurality of pre-buried steel sheets between two prefabricated floor panels, the cooperation is arranged in prefabricated floor top surface and with the fixed (optimum welding) pre-buried anchor fixed reinforcement of being connected of pre-buried steel sheet to the cast in situ concrete forms cast-in-place superimposed sheet, in order to realize the global rigidity and the coordination ability of reinforcing floor.
2. The truss ribs are additionally arranged at the upper overlapping layer part of the prefabricated floor slab during prefabrication, the overall rigidity of the overlapped floor structure is increased, the coordination working capacity of the overlapped floor structure is enhanced, the problem of cracks between the prefabricated floor slab and the prefabricated floor slab is solved, the overlapped prefabricated double-T plate and the middle column support prefabricated beam or the side column support prefabricated beam are used for the floor roof structure, the overall structure is formed after the floor is cast in place, and the supporting strength is high.
3. The cast-in-place laminated layer is added, the hogging moment main ribs at the upper parts of the double T-shaped structural slab ribs of the prefabricated floor panels with adjacent spans are communicated, the hogging moment ribs between the adjacent spans are communicated, the hogging moment ribs and the cast-in-place laminated layer form a whole at the laminated part, so that the horizontal force of earthquake and wind load can be transmitted to the prefabricated column through the bending moment by transmitting the bending moment, and the earthquake resistance and the crosswind resistance of the prefabricated column are improved.
4. The cast-in-place laminated layer is added, and the function is the decoration and leveling function.
5. The department of shelving of center pillar support precast beam or side pillar support precast beam uses flexible support, if: the finished product rubber-coated steel plate support is made of a finished product steel plate rubber structure. The relative displacement between the upper structure and the lower structure is adjusted, the translation and the rotation are adjusted through the deformation of the flexible support, the temperature stress of the concrete around the position and the deflection deformation of the concrete creep dust generation are released, and the problem that the concrete crack at the support position falls off is solved, so the service life of the joint of the prefabricated floor slab is prolonged.
6. The prefabricated double-T plate rib beam is additionally provided with the inclined supports between the vertical component columns, so that the space integrity of the whole building is enhanced, the earthquake-resistant rigidity of a house is improved, and the horizontal displacement of the building is reduced.
7. At two T boards of roofing, fill flexible waterproof material between board seam and the board seam, add the waterproof material protective layer on it, because flexible waterproof material's flexibility and waterproof nature let between prefabricated floor board and the prefabricated floor board warp freely, and play waterproof effect, the protective layer lets waterproof material's durability improve by a wide margin, improves the life of building.
To sum up, the utility model discloses a prefabricated floor panel connection structure of building has improved the anti-shear strength and the tensile strength of connecting between the prefabricated floor panel, has increased coincide floor structure's bulk rigidity, has strengthened coincide floor structure and has coordinated the working ability reinforce, has increased cast-in-place superimposed layer, has improved the joint strength of the prefabricated floor panel of large-span on the whole.
Drawings
Fig. 1 is a top view of a prefabricated floor panel of a building and a connection structure between the prefabricated floor panels;
FIG. 2 is a partially enlarged view of an embedded steel plate;
FIG. 3 is a schematic view of a hogging moment bar connecting structure of a prefabricated floor panel on the upper part of a laminated layer of a prefabricated beam 6 of a center pillar support;
FIG. 4 is a schematic view of the connection structure of the hogging moment tendon on the upper part of the precast beam 8 laminated layer of the side column support of the precast floor panel;
FIG. 5 is a three-dimensional schematic view of the structure of the exposed truss reinforcement and the reinforcement on the upper part of the rib beam at the laminated layer of the prefabricated floor slab;
FIG. 6 is a schematic structural section view of the exposed truss reinforcement and the reinforcement on the upper part of the rib beam at the laminated layer of the prefabricated floor slab;
FIG. 7 is a three-dimensional schematic view of the connection between the prefabricated floor slab laminated layer and the prefabricated laminated beam steel bar structure;
FIG. 8 is a schematic view showing the connection section of the prefabricated floor slab laminated layer and the prefabricated laminated beam steel bar structure
FIG. 9 is a schematic view of the connection of the prefabricated floor panels with the column tilt support three-dimensional structure;
FIG. 10 is a schematic cross-sectional view of the joint between the double T-shaped roof panels and the waterproof treatment of the joint;
FIG. 11 is a schematic diagram of placing a prefabricated double T-shaped plate and beam support flexible support;
FIG. 12 is a three-dimensional view of a connection structure of a prefabricated floor panel and an embedded steel plate of the connection structure of the prefabricated floor panels;
wherein: 1-prefabricated floor panel, 11-panel surface and 12-rib plate; 2-flexible waterproof filling material, 21-micro-expansion fine stone concrete, 22-protective layer, 3-embedded steel plate, 4-embedded anchor fixing steel bar, 5-negative moment main bar, 6-middle column support prefabricated beam, 7-cast-in-place laminated layer, 8-side column support prefabricated beam, 9-rabbet, 10-flexible support, 13-sleeve, 14-truss bar, 15-partial stirrup, 16-longitudinal steel bar, 17-steel strand, 30-inclined support and 40-building column.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the positional relationships of the devices such as "up", "down", "front", "back", "left", "right" and the like in all the drawings all use fig. 1 as a standard.
As shown in fig. 1, a building prefabricated floor panel coupling structure,
a plurality of embedded steel plates 3 are arranged between the two prefabricated floor panels 1;
each pre-buried steel plate 3 is connected with each prefabricated floor panel 1 on the side surface of the pre-buried steel plate through at least one strand of pre-buried anchor fixing steel bar 4, and is connected with the adjacent pre-buried steel plates 3 in a welding mode;
from the structural schematic diagrams of fig. 3 and fig. 4, it can be seen that the cast-in-place laminated layer 7 is formed by pouring concrete on the two embedded steel plates 3 and the embedded anchor fixing steel bars 4, the laminated floor structure which can be formed by the connection mode can be assembled on site on the basis of prefabricating the floor panel, and the assembled laminated floor structure is better used for transmitting external horizontal force and vertical force, so that the shearing resistance and tensile resistance of the manufactured floor structure are improved.
It can also be seen from fig. 1 and 12 that each of prefabricated floor panel connection structure of building 3 is with establishing two at least strands of pre-buried anchor reinforcing bars 4 with the same side of pre-buried steel sheet, and form an contained angle a between these strands of pre-buried anchor reinforcing bars 4 with the same side respectively for these strands of pre-buried anchor reinforcing bars 4 form the shearing force intensity of different angles between the different angles of prefabricated floor panel 1 and resist and tensile force intensity resists, thereby can strengthen pre-buried steel sheet shear strength and tensile strength at its shearing direction better.
As can be seen from fig. 1 and 2, the plurality of strands of the pre-embedded anchor fixing steel bars 4 on the prefabricated floor panel 1 and the plurality of strands of the pre-embedded anchor fixing steel bars 4 on the adjacent prefabricated floor panel 1 of the prefabricated floor panel connecting structure are symmetrically arranged, so that the overall stress performance of the whole prefabricated floor panel is improved, and the overall strength and the service life of the manufactured laminated floor structure are improved.
When the prefabricated floor roof board is prefabricated, the upper part is provided with exposed truss steel bars at intervals, and the exposed truss steel bars are used for anticorrosion protection, so that the integrity between a cast-in-place layer and a prefabricated layer is improved, and the adhesion of the prefabricated floor roof board is improved. And a hogging moment reinforcing steel bar is additionally arranged on the upper part of the overlapping layer at the position of the double T-shaped plate support. The main ribs at the exposed superposed layer parts on the upper parts of the double ribs of the prefabricated floor panel are inserted into the prefabricated superposed beams of the plate support and communicated with the exposed main ribs on the upper parts of the double T-shaped plate rib beams on the other side, so that the double T-shaped plate rib beams on the floor roof form continuous beams on the support. The prefabricated floor roof board is obliquely supported between the lower part of the plate rib and the column, so that the connection between the board and the column is increased, and the building integrity is enhanced. The flexible support is additionally arranged at the position where the double-T plate and the beam are placed to transmit the load on the upper part of the plate surface and adjust the relative displacement between the upper structure and the lower structure, and the flexible support mainly depends on the deformation of the flexible support to adjust the translation and the rotation. And a flexible waterproof material is additionally arranged at the seam rabbet of the double T-shaped plates of the roof and the double T-shaped plates for filling, and a protective layer is additionally arranged at the upper part of the flexible waterproof material.
As shown in fig. 3 and 4, the precast floor panels 1 of the connection structure of the precast floor panels for building are respectively provided with hogging moment main reinforcements 5 at two sides of the top of the panel surface 11 near the upper part of the center pillar support precast beam 6 or the side pillar support precast beam 8, the plate rib 12 is arranged on the top of the precast beam 6 of the support of the center pillar, the concrete operation is that before the concrete is poured, the hogging moment main reinforcement 5 is put into the corresponding position, then the concrete is poured, used for balancing the bending moment at the precast beam 6 part of the center pillar support, offsetting the horizontal force at the outer side and the vertical force of the floor, the deflection-resistant deformation capacity of the prefabricated floor slab at the middle position is enhanced, the deflection-resistant deformation capacity can be seen in a middle support node diagram 3, and in addition, the prefabricated floor slab is placed on the overhanging flange at the side of the middle column support prefabricated beam 6 or the side column support prefabricated beam 8, so that the height requirement of the upper end of the supporting beam is avoided, and the net height of the indoor space of a building is increased.
As shown in fig. 5, 6, 7 and 8, the prefabricated floor panel 1 of the prefabricated floor panel connecting structure for buildings is a prefabricated double-T plate, a single-plate double-plate rib 12 of the prefabricated double-T plate is a rib beam and participates in the stress of the whole building space, the concrete measures are that the upper end of the rib beam is overlapped at the joint of the rib beam, when in prefabrication, the upper part of the stirrup 15 and the upper part of the longitudinal steel bar 16 are exposed at the overlapped part, and the anticorrosion measures are taken. When in construction and hoisting, the upper longitudinal steel bars 16 are inserted into the prefabricated superposed beam, for example, the upper longitudinal steel bars 16 of the plate ribs of the prefabricated double-T plate shown in figure 6 are inserted into the side support prefabricated superposed beam, so that the traditional double-T plate is stressed in a plane before and is stressed in a space three-dimensional manner at present. The hogging moment main reinforcement 5 in the last character paragraph is cooperated to form an integral floor reinforcing mesh, and a cast-in-place laminated layer is added on the double T-shaped plate, so that the bidirectional reinforcement is arranged in the laminated slab. Enhancing the stiffness in the floor deck. The coordination working capacity of the floor and the roof is enhanced, and the laminated layer and the prefabricated double-T plate form an integral laminated layer T-shaped beam. The calculated height of the rib beam is increased from the original calculated height to the height of the laminated layer to further enhance the tensile and shear strength of the resulting laminated floor structure.
As shown in fig. 8, the center pillar support precast beam 6 or the side pillar support precast beam 8 of the building precast floor panel connection structure is a flexible support 10, and as shown in fig. 11 in detail, the flexible support 10 is made of a finished rubber steel plate support, and the outer side of the flexible support is coated with rubber, so that the precast floor panel can be effectively prevented from being placed on the flange of the precast concrete beam, and deformation cracks between concrete and concrete are easily generated due to temperature stress and creep acting force of the precast floor panel at a later stage, even the concrete falls off, and the effect of prolonging the service life of the whole center pillar support precast beam 6 and the side pillar support precast beam 8, and even the service life of the whole precast building is achieved.
Fig. 8 also shows that the prefabricated floor panel 1 and the prefabricated floor panel 1 can be connected by inserting sleeves 13 into the connecting portions at the connecting ends or by welding reinforcing bars or other connecting methods as fixing supports, so that the shear resistance and the deflection resistance of the prefabricated floor panel can be further enhanced.
As shown in fig. 3 and 4, the length of the hogging moment main reinforcement 5 of the prefabricated floor and roof panel connecting structure of the building is not less than 1/3 span of the prefabricated floor panel 1, so that the prefabricated floor panel 1 can be better supported, and the shear strength and tensile strength of the prefabricated floor panel 1 are improved.
In order to further improve the shear strength and tensile strength of the connecting structure of the prefabricated floor and roof panels of the building, as shown in fig. 5, truss ribs 14 and reinforcing steel bars at the upper parts of the plate ribs 12 are reserved at certain intervals at the upper parts of the prefabricated floor panels 1. And preferably, the exposed steel bars at the upper parts of the plate ribs 12 are arranged at two sides of the column support part, and the hogging moment main steel bars 5 are pulled through to form the continuous rib beam.
As shown in fig. 9, the inclined supports 30 are used between the lower plate ribs 12 of the building prefabricated floor panels and the building columns 40. The stress concentration of prefabricated floor panels or floor superposed layers at the position can be eliminated, the number of the inclined supports 30 in the concrete implementation process can be multiple, the support strength is improved, the concrete connecting structure can be welded, hinged, riveted, screwed and the like, pouring can also be carried out, and the purposes of convenience, rapidness, material saving and the like are mainly achieved. Thereby enhancing the integrity of the prefabricated floor panels with the building.
As shown in fig. 10, the prefabricated floor panel 1 of the prefabricated roof panel connection structure of the building is provided with a rabbet 9 at a connection position with the prefabricated floor panel 1, a flexible waterproof filling material 2 is arranged between the two butted rabbets 9, the prefabricated floor panel is filled with the flexible waterproof material to prevent water, and the deflection deformation between the prefabricated floor panel and the prefabricated floor panel is adjusted.
The more preferable embodiment is that the flexible waterproof filling material 2 is composed of micro-expansion fine stone concrete 21, waterproof factice and at least two layers of glass fiber cloth which are filled from bottom to top in sequence, so that waterproof filling between the prefabricated roof panels is better realized, the cost is relatively low, and the prefabricated floor panels 1 are waterproof and adhered by emulsified asphalt plaster with the thickness of 5 mm or other waterproof materials to serve as the protective layer 22 to play a role in waterproofing of the whole prefabricated roof panel layer.
The distance L between the embedded steel plates 3 of the same group of prefabricated floor panels 1 of the prefabricated floor roof board connecting structure is not more than 1.5 times the width of the prefabricated floor panels 1, and the design enables horizontal shearing force to be transmitted between the prefabricated floor panels and the prefabricated floor panels to form a whole; meanwhile, under the action of vertical load, the prefabricated floor panel and the prefabricated floor panel work in a coordinated mode, and uneven deformation is reduced.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but as long as they do not depart from the spirit of the present invention, all are within the scope of the present invention.
Claims (14)
1. Prefabricated floor roof boarding connection structure of building, its characterized in that:
arranging a plurality of embedded steel plates (3) between two prefabricated floor panels (1);
each pre-buried steel plate (3) is connected with each prefabricated floor panel (1) on the side surface of the pre-buried steel plate through at least one strand of pre-buried anchor fixing steel bar (4), and is connected with the adjacent pre-buried steel plates (3) in a welding mode;
and concrete is poured on the two embedded steel plates (3) and the embedded anchor fixing steel bars (4) to form a cast-in-place laminated layer (7).
2. A prefabricated floor and roof panel connection structure for buildings according to claim 1 wherein:
each of the embedded steel plates (3) are provided with at least two strands of embedded anchor fixing steel bars (4) on the same side surface, and an included angle a is formed between the embedded anchor fixing steel bars (4) on the same side surface.
3. A prefabricated floor and roof panel connection structure for buildings according to claim 2 wherein:
the plurality of strands of embedded anchor fixing steel bars (4) on the prefabricated floor panel (1) and the plurality of strands of embedded anchor fixing steel bars (4) on the adjacent prefabricated floor panel (1) are symmetrically arranged.
4. A prefabricated floor and roof panel connection structure for buildings according to claim 3 wherein:
the prefabricated floor slab (1) is a prefabricated double-T plate.
5. A prefabricated floor and roof panel connection structure for buildings according to claim 1 wherein:
and a cast-in-situ superposed layer (7) is additionally arranged above the prefabricated floor slab (1).
6. A prefabricated floor and roof panel connection structure for buildings according to claim 5 wherein:
the precast floor panel (1) is characterized in that a hogging moment main reinforcement (5) is arranged above a center pillar support precast beam (6) or a side pillar support precast beam (8) on the top of a cast-in-place laminated layer (7) of the precast floor panel (1), and the length of the hogging moment main reinforcement (5) is not more than 1/3 span of the precast floor panel (1).
7. A prefabricated floor and roof panel connection structure for buildings according to claim 4 wherein:
the hogging moment main reinforcement (5) is arranged above a center pillar support precast beam (6) or a side pillar support precast beam (8) at the top of a cast-in-place laminated layer (7) of a plate rib (12) of the precast floor panel (1);
the length of the hogging moment main reinforcement (5) is not more than 1/3 span of the prefabricated floor panel (1).
8. A prefabricated floor and roof panel connection structure for buildings according to claim 4 wherein:
the upper portion of the prefabricated floor panel (1) is reserved with truss ribs (14) and upper portion steel bars of plate ribs (12) at certain intervals.
9. A prefabricated floor and roof panel connection structure for buildings according to claim 8 wherein:
and the upper reinforcing steel bars of the plate ribs (12) are exposed at two sides of the column support part and are pulled through with the hogging moment main reinforcing steel bars (5) to form a continuous rib beam.
10. A prefabricated floor and roof panel connection structure for buildings according to claim 8 wherein:
an inclined support (30) is additionally arranged between the prefabricated floor panel (1) and the floor column (40).
11. A prefabricated floor and roof panel connection structure for buildings according to claim 10 wherein:
the prefabricated floor panels (1) are also inserted into the connection point between the prefabricated floor panels (1) at their connection ends by means of sleeves (13) and the connection point is welded or concrete-bonded.
12. A prefabricated floor and roof panel connection structure for buildings according to claim 6 wherein:
the middle column support precast beam (6) or the side column support precast beam (8) is a flexible support.
13. A prefabricated floor and roof panel connection structure for buildings according to claim 7 wherein:
the prefabricated floor slab is characterized in that a rabbet (9) is arranged at the connecting position of the prefabricated floor slab (1) and the prefabricated floor slab (1), and a flexible waterproof filling material (2) is arranged between the two butted rabbets (9).
14. A prefabricated floor and roof panel connection structure for buildings according to claim 13 wherein:
and a protective layer (22) is arranged on the upper part of the flexible waterproof filling material (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803264.0U CN217517829U (en) | 2022-04-08 | 2022-04-08 | Connecting structure for building prefabricated floor and roof board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803264.0U CN217517829U (en) | 2022-04-08 | 2022-04-08 | Connecting structure for building prefabricated floor and roof board |
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| CN217517829U true CN217517829U (en) | 2022-09-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386061A (en) * | 2023-12-11 | 2024-01-12 | 山东汇通建设集团有限公司 | Large-span concrete roof for basement |
| TWI848841B (en) * | 2023-10-30 | 2024-07-11 | 潤弘精密工程事業股份有限公司 | Beam structure and architecture system having the same |
-
2022
- 2022-04-08 CN CN202220803264.0U patent/CN217517829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI848841B (en) * | 2023-10-30 | 2024-07-11 | 潤弘精密工程事業股份有限公司 | Beam structure and architecture system having the same |
| CN117386061A (en) * | 2023-12-11 | 2024-01-12 | 山东汇通建设集团有限公司 | Large-span concrete roof for basement |
| CN117386061B (en) * | 2023-12-11 | 2024-03-19 | 山东汇通建设集团有限公司 | Method for assembling large-span concrete roof for basement |
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