CN218668047U - Prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wallboard - Google Patents
Prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wallboard Download PDFInfo
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- CN218668047U CN218668047U CN202221778079.7U CN202221778079U CN218668047U CN 218668047 U CN218668047 U CN 218668047U CN 202221778079 U CN202221778079 U CN 202221778079U CN 218668047 U CN218668047 U CN 218668047U
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Abstract
The utility model relates to the technical field of prefabricated building equipment, in particular to a prefabricated prestressed combined sandwich heat-preservation external hanging prefabricated wallboard which is arranged on a main body structure through a connecting piece and is connected with an outer leaf wall, a heat preservation layer and an inner leaf wall through a pulling piece to form a prestressed combined sandwich wallboard; the inner and outer She Qiangban adopt the binding form of longitudinal prestressed tendons, longitudinal common tendons and transverse tendons to form reinforcing mesh sheets, and the reinforcing mesh sheets of the inner and outer blades are combined and stressed by using a binding piece. The local part is provided with a hidden frame and penetrates through two common steel bars to serve as reinforcing steel bars, and the hidden frame can serve as a fixing frame and a pre-buried connecting sleeve of a door window. The horizontal joint of the wallboard adopts a tongue-and-groove form, so that the water seepage problem of the flat joint is effectively avoided. The inner leaf and the outer leaf are combined to bear force, the using amount of materials is reduced, the processing length of the wallboard can be increased by adopting a prestress technology, the number of joints is reduced, the risk of cracking of the wall body is greatly reduced, the durability of wall body components is improved, the main structure has the same life cycle, and the application form is very wide.
Description
Technical Field
The utility model relates to a prefabricated construction equipment technical field, in particular to external prefabricated wallboard of prefabricated prestressing force combination sandwich heat preservation.
Background
At present, the country attaches importance to the innovation and the green development of cities, and popularizes the assembly type building vigorously, wherein the precast concrete exterior wall cladding is installed on major structure, plays the non-bearing precast concrete exterior wall panel of enclosure, decoration effect, for short the exterior wall cladding. The exterior wall cladding can be divided into two forms of reinforced concrete exterior wall cladding and prestressed concrete exterior wall cladding according to the component structure; the heat preservation mode can be divided into four modes of no heat preservation, external heat preservation, sandwich heat preservation, internal heat preservation and the like. The various exterior wall cladding boards can be combined with exterior decoration, heat preservation and doors and windows to form an integrated prefabricated wall board system according to engineering requirements. The prestressed wallboard can realize larger processing length of the wallboard due to the adoption of the prestress technology, and simultaneously saves the using amount of reinforcing steel bars. Due to the adoption of the prestress technology, the number and the width of cracks of the concrete wallboard are greatly reduced, the durability of the wallboard is improved, the service life of the maintenance system is prolonged, and the life cycle of the maintenance system and the main structure is really realized.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a prefabricated prestressing force combination sandwich heat preservation joins externally prefabricated wallboard. The external prefabricated wall board and the main structure adopt a point supporting connection mode, the waterproof sealing structure meets the waterproof performance requirement of the building outer wall, and the heat insulation structure meets the fireproof performance requirement. The prestressed wallboard adopts the prestress technology, so that the processing length of the wallboard can be prolonged, and the using amount of reinforcing steel bars is saved.
The specific technical scheme is as follows:
a prefabricated prestressed combined sandwich heat-insulation externally-hung prefabricated wallboard is arranged on a main body structure of a building body through a connecting screw rod (19), and comprises an outer leaf wall (1), a heat-insulation layer (2) and an inner leaf wall (3); prestressed tendons (7) and longitudinal common steel bars (5 a), transverse common distribution tendons (5 b), common longitudinal tendons (5 c) at a tie part and reinforcing longitudinal tendons (5 d) at a hidden frame are pre-arranged in concrete of the outer leaf wall (1) and the inner leaf wall (3); a local hidden frame (4) is arranged at a position, needing local reinforcement, of the prefabricated wallboard, concrete of the inner leaf wall (3) at the local hidden frame (4) is thickened, and the concrete penetrates through two reinforcing steel bars (5 d); the outer leaf wall (1) and the inner leaf wall (3) adopt prestressed longitudinal bars (7), longitudinal common bars (5 a) and transverse common distribution bars (5 b) to form reinforcing bar net sheets in a binding mode, and the inner leaf reinforcing bar net sheets and the outer leaf reinforcing bar net sheets are tied by using tie pieces (6) to form a prestressed combined sandwich heat-insulation wallboard so as to ensure combined stress; the horizontal seam (17) between the upper layer wall board (24) and the lower layer wall board (25) adopts a tongue-and-groove structure (13).
The position of the prefabricated wall panel needing local reinforcement comprises a door and window opening and a connecting part of the prefabricated wall panel and a main body structure.
The reinforcing steel bars are ordinary steel bars.
The horizontal joint (17) is provided with a matched inclined plane notch on the end face of the outer leaf wall (1) of the upper wallboard (24) and the lower wallboard (25), the upper and the lower parts are spliced in an up-and-down mode, and the interface is filled with a foamed polyethylene rod (9) and then is coated with a building sealant (10) to be leveled.
And the end surfaces of the inner leaf walls (3) of two adjacent prefabricated wall boards at the vertical joint (8) are respectively provided with an airtight strip (11), and the two sides of the airtight strips are extruded and sealed.
The airtight strip (11) is made of foaming chloroprene rubber, and the cross section of the airtight strip is hollow and semicircular.
The connecting piece includes connecting screw, check nut, connecting pad and steel connecting plate, and steel connecting plate is fixed with major structure girder steel (16) of building body, and steel connecting plate supports with prefabricated wallboard and leans on, twists prefabricated wallboard after connecting screw passes steel connecting plate, and the outside of steel connecting plate is arranged in to the connecting pad, overlaps on connecting screw, and check nut screw in connecting screw's end back locking steel connecting plate and prefabricated wallboard.
When the upper wallboard (24) and the lower wallboard (25) are disconnected at the floor slab (12), the connecting piece of the upper wallboard further comprises an embedded part, and after the embedded part is embedded into the upper surface of the floor slab (12), the connecting steel plate is fixed with the embedded part; the connecting screw of the lower wallboard connecting piece is arranged on 1/2 Liang Gaochu of the steel beam (16).
The connecting screw of the connecting piece at the floor is arranged at the 1/2 thickness of the end surface of the floor (12).
And interlayer fireproof plugs (15) are additionally arranged between the connecting steel plates and the prefabricated wall boards at the floors.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the utility model discloses the form of outer leaf wall combination atress inside and outside prestressing force combination sandwich prefabricated wallboard adoption, to a great extent has reduced the use amount of material, thereby prefabricated wallboard reduces the quantity of seam owing to adopt prestressing force technique, can prolong the processing length of wallboard, can avoid the wallboard to appear the crack too early and reduce the crack width simultaneously, has improved the durability of wallboard. The concrete of the inner leaf wall at the local hidden frame is thickened, and two common steel bars penetrate through the hidden frame to serve as reinforcing steel bars, so that the hidden frame not only improves the strength and rigidity of the wallboard, but also can be used as a door and window hole frame for fixing a window and pre-embedding a connecting sleeve when being cooperatively considered with a door and window hole opening; the inner and outer She Qiangban adopt the binding form of longitudinal prestressed tendons, longitudinal common steel bars and transverse distribution steel bars to form steel bar net sheets, and the inner and outer leaf steel bar net sheets are tied by tie pieces to ensure the combined stress. In addition, the joint of two adjacent prefabricated wallboards adopts a tongue-and-groove form, so that the water seepage problem of the flat joint is effectively avoided. The utility model discloses can adopt the ground roof beam to bear the wallboard dead weight, the floor roof beam provides the side direction fulcrum and resists horizontal load, and a wallboard reaches the mode to the top, also can adopt the wallboard to locate the disconnection at the floor, and wallboard dead weight and horizontal load are born by every layer of roof beam, the disconnected form of dividing layer upon layer.
Drawings
FIG. 1 is a schematic cross-sectional view of the prefabricated wall panel of the present invention;
FIG. 2 is a schematic view of the inner and outer leaf wall tie members of the present invention;
FIG. 3 is a schematic view of the vertical seam structure of the prefabricated wall panel of the present invention;
FIG. 4 is a schematic view of the connection structure of the broken part of the upper and lower wall panels of the present invention;
FIG. 5 is a schematic view of the connection structure of the wall plate and the ground beam;
FIG. 6 is a schematic view of the continuous structure of the upper and lower wall panels of the present invention;
FIG. 7 is a schematic cross-sectional view of the airtight strip;
in the figure, 1, an outer leaf wall; 2. a heat-insulating layer; 3. an inner leaf wall; 4. a local dark border; 5a longitudinal common steel bar, 5b transverse common distribution bar, 5c common longitudinal bar at the position of a tie piece and 5d reinforcing longitudinal bar at the position of a hidden frame; 6. a pulling member; 7. pre-stressed longitudinal bars; 8. vertical seams; 9. a foamed polyethylene rod; 10. building sealant; 11. foaming neoprene airtight strips; 12. a floor slab; 13. a tongue-and-groove structure; 14. pre-burying a sleeve; 15. interlayer fireproof plugging; 16. a steel beam; 17. horizontally sewing; 18 an embedded part; 19. connecting a screw rod; 20. tightening the nut; 21. connecting a gasket; 22. connecting steel plates; 23. a ground beam; 24. an upper wallboard; 25. the lower wallboard.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings, but the scope of the present invention is not limited to the accompanying drawings.
Example 1
The upper layer wall board 24 and the lower layer wall board 25 are disconnected at the position of the floor slab 12 to form the rabbet horizontal joint 17, the wall boards are disconnected layer by layer, and the number and the height of the applicable house are not limited.
As shown in fig. 4, the upper wallboard 24 and the lower wallboard 25 are both installed on the main structure of the building body by the embedded sleeve 14 through the connecting screw rod 19, and the prefabricated wallboard comprises an outer leaf wall 1, a heat insulation layer 2 and an inner leaf wall 3; the inner and outer She Qiangban adopt the binding form of the longitudinal prestressed tendons 7, the longitudinal common steel bars 5a and the transverse common distribution tendons 5b to form steel bar net sheets, and the inner and outer leaf steel bar net sheets are tied by the tie pieces 6 to form the prestressed combined sandwich wall board to ensure the combined stress; the position, needing local reinforcement, of the prefabricated wallboard is provided with a local hidden frame 4, the local hidden frame 4 is formed by thickening concrete of the inner leaf wall 3 and penetrates through two common steel bars 5d to serve as reinforcing steel bars; the horizontal seam 17 between the upper wall panel 24 and the lower wall panel 25 is in the form of a tongue and groove 13.
The position that prefabricated wallboard need local reinforcement includes door and window entrance to a cave department and prefabricated wallboard and major structure junction.
Matched grooves and tongues are processed on the end surfaces of the outer leaf walls 1 of the upper layer wall plate 24 and the lower layer wall plate 25 at the horizontal joint 17, the upper part and the lower part are spliced in an up-and-down lapping way, and after a foamed polyethylene rod 9 is filled in the joint, the joint is coated with building sealant 10 and is leveled. The end faces of the inner leaf walls 3 of two adjacent prefabricated wall boards at the vertical seams 8 (as shown in figure 3) are respectively and additionally provided with a foamed neoprene airtight strip 11, the cross sections of which are hollow and semicircular and are extruded and sealed.
The connector structure includes: the embedded sleeve 14, the connecting screw rod 19, the fastening nut 20, the connecting gasket 21, the embedded part 18 and the connecting steel plate 22.
Installation of the upper wallboard 24: placing the embedded part 18 when the floor slab 12 is poured, and fixing the connecting steel plate 22 with the embedded part 18; the connection steel plate 22 abuts against the upper wall panel 24, and in order not to affect the wall decoration, a local groove is reserved at the joint of the upper wall panel in advance, so that the connection structure is buried in the wall. Connecting screw passes connecting plate back and twists in the pre-buried sleeve 14 of upper wallboard 24, and connecting washer 21 arranges connecting plate's the outside in, overlaps on connecting screw, and locking nut locks connecting plate and upper wallboard 24 behind the screw in connecting screw's the end.
Installation of lower wall panel 25: the main structure girder steel 16 mill of steel connection plate 22 and building body welds in advance, job site lower floor's wallboard 24 supports with girder steel 16 and leans on, connecting screw 19 passes steel connection plate 22, penetrate connecting gasket 21 and check nut 20 in the connecting steel plate outside (being close to the wallboard side) screw rod in proper order, then in the pre-buried sleeve 14 of lower floor's wallboard 25 is twisted to connecting screw 19, penetrate connecting gasket 21 and check nut 20 in connecting steel plate 22 opposite side connecting screw 19 afterwards, check two side nuts of steel connection plate at last, locking steel connection plate 22 and lower floor's wallboard 25. The connecting screw 19 is mounted on 1/2 Liang Gaochu of the steel beam 16.
Example 2
As shown in fig. 5, the wall plate and the ground beam are connected. The installation of the upper wall plate 24 is basically the same as that of the upper wall plate 24 in the embodiment 1, except that the connection part of the wall plate does not need to leave a local groove in advance, and the connection part structure is arranged under the indoor ground.
Example 3
As shown in figure 6, the wallboard does not break at the floor, and upper wallboard and lower wallboard are continuous, and the installation is basically the same with upper wallboard 24 of example 1, and the difference lies in, the wallboard junction need not to reserve local recess in advance, and the connector structure is in concrete floor 12 height range, and the gap setting fire prevention shutoff 15 between upper and lower floor between the floor and the wallboard simultaneously.
Claims (10)
1. The utility model provides a prefabricated external prefabricated wallboard of prefabricated prestressing force combination sandwich heat preservation which characterized in that: the prefabricated wallboard is arranged on a main body structure of a building body through a connecting piece and comprises an outer leaf wall (1), a heat insulation layer (2) and an inner leaf wall (3); prestressed longitudinal reinforcements (7) and longitudinal common reinforcements (5 a), transverse common distribution reinforcements (5 b), common longitudinal reinforcements (5 c) at the position of a tie piece and reinforcing longitudinal reinforcements (5 d) at the position of a hidden frame are additionally arranged in concrete of the outer leaf wall (1) and the inner leaf wall (3); the prefabricated wall panel is characterized in that a local hidden frame (4) is arranged at a position needing local reinforcement, concrete of an inner leaf wall (3) at the local hidden frame (4) is thickened, and reinforcing longitudinal ribs (5 d) at two hidden frames penetrate through the prefabricated wall panel; the outer leaf wall (1) and the inner leaf wall (3) adopt prestressed longitudinal bars (7), longitudinal common bars (5 a) and transverse common distribution bars (5 b) to form reinforcing bar net sheets in a binding mode, and the inner leaf reinforcing bar net sheets and the outer leaf reinforcing bar net sheets are tied by using tie pieces (6) to form a prestressed combined sandwich heat-insulation wallboard so as to ensure combined stress; the horizontal seam (17) between the upper layer wall board (24) and the lower layer wall board (25) adopts a tongue-and-groove structure (13).
2. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 1, characterized in that: the position of the prefabricated wall panel needing local reinforcement comprises a door and window opening and a connecting part of the prefabricated wall panel and a main body structure.
3. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 1, characterized in that: the reinforcing steel bar is a common steel bar.
4. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 1, characterized in that: the horizontal joint (17) is provided with a matched inclined plane notch on the end face of the outer leaf wall (1) of the upper wallboard (24) and the lower wallboard (25), the upper and the lower parts are spliced in an up-and-down mode, and the interface is filled with a foamed polyethylene rod (9) and then is coated with a building sealant (10) to be leveled.
5. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 1, characterized in that: and an airtight strip (11) is arranged in a vertical seam (8) between the end surfaces of two adjacent inner leaf walls (3), and the two sides of the airtight strip are extruded and sealed.
6. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel as claimed in claim 5, wherein: the airtight strip (11) is made of foaming chloroprene rubber, and the cross section of the airtight strip is hollow and semicircular.
7. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel as claimed in claim 1, wherein: the connecting piece includes connecting screw, check nut, connecting pad and steel connecting plate, and steel connecting plate is fixed with major structure girder steel (16) of building body, and steel connecting plate supports with prefabricated wallboard and leans on, twists prefabricated wallboard after connecting screw passes steel connecting plate, and the outside of steel connecting plate is arranged in to the connecting pad, overlaps on connecting screw, and check nut screw in connecting screw's end back locking steel connecting plate and prefabricated wallboard.
8. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 7, wherein: when the upper wallboard (24) and the lower wallboard (25) are disconnected at the floor slab (12), the connecting piece of the upper wallboard further comprises an embedded part, and after the embedded part is embedded into the upper surface of the floor slab (12), the connecting steel plate is fixed with the embedded part; the connecting screw of the lower wallboard connecting piece is arranged on 1/2 Liang Gaochu of the steel beam (16).
9. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 7, wherein: the connecting screw of the connecting piece at the floor is arranged at the 1/2 thickness of the end surface of the floor (12).
10. The prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wall panel according to claim 9, characterized in that: and interlayer fireproof plugs (15) are additionally arranged between the connecting steel plates and the prefabricated wall boards at the floors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778079.7U CN218668047U (en) | 2022-07-11 | 2022-07-11 | Prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wallboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778079.7U CN218668047U (en) | 2022-07-11 | 2022-07-11 | Prefabricated prestressed combined sandwich heat-insulating externally-hung prefabricated wallboard |
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| CN218668047U true CN218668047U (en) | 2023-03-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386070A (en) * | 2018-11-07 | 2019-02-26 | 中建集成房屋有限公司 | A kind of assembled steel frame external wall system and its construction method |
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- 2022-07-11 CN CN202221778079.7U patent/CN218668047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386070A (en) * | 2018-11-07 | 2019-02-26 | 中建集成房屋有限公司 | A kind of assembled steel frame external wall system and its construction method |
| CN109386070B (en) * | 2018-11-07 | 2023-08-11 | 中建集成房屋有限公司 | Assembled steel frame outer wall system and construction method thereof |
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