CN218580968U - double-T-plate abutted seam wet-type connecting joint structure - Google Patents
double-T-plate abutted seam wet-type connecting joint structure Download PDFInfo
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- CN218580968U CN218580968U CN202222823557.8U CN202222823557U CN218580968U CN 218580968 U CN218580968 U CN 218580968U CN 202222823557 U CN202222823557 U CN 202222823557U CN 218580968 U CN218580968 U CN 218580968U
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Abstract
The utility model relates to the technical field of assembly type buildings, and discloses a double-T plate splicing wet-type connecting node structure, which comprises two double-T plate units, wherein the connecting ends of the two double-T plate units, which are close to each other, are provided with grooves, and the two grooves are spliced into a connecting groove for cast-in-place concrete; a first steel bar transversely extending into the groove is further arranged in the double-T plate unit, a second steel bar transversely extending is further arranged in the connecting groove, and the first steel bar is in lap joint with the second steel bar; the sealing unit is arranged at the connecting position of the two grooves. The groove bottom of the groove can be used as a template of cast-in-place concrete, so that the processes of formwork support and formwork removal are omitted, the processes of reinforcement binding, concrete pouring and maintenance of a cast-in-place integrated laminated layer are omitted, and the construction period is shortened; first reinforcing bar and second reinforcing bar are connected, and behind the cast in situ concrete, first reinforcing bar, second reinforcing bar and concrete have abundant anchor, can effectively improve the ability of adjusting the deformation, reduce the crack that the piece department produced.
Description
Technical Field
The utility model relates to an assembly type structure technical field especially relates to a two T board piece wet-type connected node structures.
Background
In recent years, the utilization rate of the assembly type building in the modern buildings is gradually increased, and the double-T plate is more and more widely applied by virtue of the advantages of high bearing capacity, clear force transmission path, good technical economy and the like. In the structure applying the double T plates, the prefabricated double T plates are connected by the plate seam connecting component to form the integral floor system, and the plate seam connecting component plays a role in transferring load among the floor systems, and is a key factor influencing the integral performance and the anti-seismic performance of the assembled structure.
For the connection of longitudinal joints between two T-shaped slabs, the traditional connection method mostly adopts methods of welding steel plates at the joints, adding zipper ribs and the like, and adopts a cast-in-place integrated laminated layer in order to ensure the integral rigidity of the floor slab. However, when the steel plate is welded and the zipper rib is added, the steel plate, the zipper rib and the concrete are not provided with sufficient anchoring measures, so that the floor slab has poor deformation adjusting capability, cracks are easily generated at the abutted seam when the floor slab is used, in addition, the material consumption is high when the steel plate and the zipper rib are added, the process cost is high, the construction of the cast-in-place integrated laminated layer is more complicated, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a two T board piece wet-type connected node structure to solve the problem that two T board piece department in the prior art can produce the crack when using, and the material consumes greatly, and the processing cost is high, and the period of construction is long.
In order to achieve the purpose, the utility model provides a double-T plate splicing wet type connecting node structure, which comprises two double-T plate units which are oppositely arranged, wherein the connecting ends, close to each other, of the two double-T plate units are respectively provided with a groove, the grooves extend along the longitudinal direction of the double-T plate units, and the two grooves are spliced into a connecting groove for cast-in-place concrete after the two double-T plate units are spliced;
first reinforcing steel bars transversely extending into the grooves are further arranged in the double-T plate units, second reinforcing steel bars transversely extending are further arranged in the connecting grooves, and the first reinforcing steel bars are in lap joint with the second reinforcing steel bars;
the sealing unit is arranged at the connecting position of the two grooves.
Preferably, a reinforcing steel mesh is arranged in the double-T plate unit, the reinforcing steel mesh is provided with a plate top transverse reinforcing steel bar extending to the top of the groove, embedded reinforcing steel bars extending to the bottom of the groove are embedded in the double-T plate unit, the first reinforcing steel bar comprises the plate top transverse reinforcing steel bar and the embedded reinforcing steel bars, the second reinforcing steel bars are arranged in two layers, and the second reinforcing steel bars are connected with the plate top transverse reinforcing steel bar and the embedded reinforcing steel bars respectively.
Preferably, the anchoring length of the embedded steel bars is greater than or equal to la, and the length of the part of the embedded steel bars extending into the groove is greater than or equal to 1.6la.
Preferably, longitudinal steel bars perpendicular to the second steel bars are further arranged in the connecting grooves, two layers of the longitudinal steel bars are arranged, and the two layers of the longitudinal steel bars and the two layers of the second steel bars are bound to form a mesh structure.
Preferably, the ends of the plate top transverse steel bars and the embedded steel bars are located on the inner side of the edge of the groove.
Preferably, the top of the edge of the groove and the bottom of the edge are provided with chamfers, the chamfers form a cavity after the grooves are spliced, and the sealing units are arranged in the two cavities.
Preferably, the sealing unit comprises a rubber waterstop and sealing paste, the rubber waterstop is of a hollow pipe structure, the rubber waterstop extends along a connecting gap of the two grooves, and the sealing paste is filled in the cavity.
Preferably, the sealing unit further includes a mesh cloth covering the sealing paste.
The embodiment of the utility model provides a two T board piece wet-type connected node structure compares with prior art, and its beneficial effect lies in: the connecting ends of the double T-shaped plate units are provided with the grooves, the grooves are spliced to form connecting grooves, the bottoms of the grooves can be used as templates of cast-in-place concrete, the processes of formwork supporting and formwork removing are omitted, the processes of reinforcement binding, concrete pouring and curing of cast-in-place integrated laminated layers are omitted, material consumption is reduced, construction efficiency is improved, and construction period is saved; the first reinforcing bar of two T board units and the second reinforcing bar overlap joint in the spread groove, behind the cast in situ concrete in the spread groove, have abundant anchor between first reinforcing bar, second reinforcing bar and the concrete, can effectively improve the ability of adjusting the deformation, guarantee the holistic rigidity of floor, reduce the crack that piece department produced.
Drawings
Fig. 1 is a schematic structural view of a double-T-plate abutted wet-type connecting joint structure of the present invention;
FIG. 2 is an enlarged schematic view at A of the double T-piece wet connect node configuration of FIG. 1;
FIG. 3 is a schematic structural view of a double T-plate unit of the double T-plate patchwork wet connect node configuration of FIG. 1;
FIG. 4 is a schematic structural view of another double T-plate unit of the double T-plate patchwork wet connect node configuration of FIG. 1;
FIG. 5 is a schematic diagram of a structure of the dual T-plate joint of FIG. 1 after two dual T-plate units are joined together;
fig. 6 is an enlarged schematic view at B of the double T-plate patchwork wet connect node configuration of fig. 5.
In the figure, 1, a double-T plate unit, 11, a reinforcing mesh, 2, a groove, 3, concrete, 4, a first reinforcing bar, 41, a plate top transverse reinforcing bar, 42, a pre-embedded reinforcing bar, 5, a second reinforcing bar, 6, a longitudinal reinforcing bar, 7, a chamfer, 8, a rubber water stop, 9, sealing paste, 10 and grid cloth.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses a preferred embodiment of two T board piece wet-type connected node structure, as shown in fig. 1 to fig. 6, this two T board piece wet-type connected node structure includes two T board units 1, two T board unit 1 mutual dispositions, and the one end that is close to each other of two T board units 1 forms the link, two mutual symmetrical arrangement of two T board units 1, and its structure is the same, and the here only uses one to explain as the example.
The connecting end of the double-T plate unit 1 is provided with a groove 2, the groove 2 extends along the longitudinal direction of the double-T plate unit 1, the longitudinal direction is parallel to the direction of the connecting seam of the two double-T plate units 1, and the transverse direction is perpendicular to the direction of the connecting seam of the two double-T plate units 1. In this embodiment, the grooves 2 are all rectangular grooves, and in other embodiments, the grooves 2 may also be trapezoidal grooves or arc-shaped grooves.
The groove 2 is formed in the top of the double-T plate unit 1, the bottoms of the grooves 2 are spliced close to each other when the two double-T plate units 1 are spliced, the two grooves 2 are spliced into a whole to form a connecting groove of the two double-T plate units 1, the connecting groove is internally used for casting concrete 3 in situ, and the two double-T plate units 1 are connected into a whole through the concrete 3.
In addition, the groove bottom of the groove 2 can be used as a template of the cast-in-place concrete 3 after being naturally folded, so that the processes of formwork support and formwork removal are omitted, the processes of steel bar binding of a cast-in-place integrated laminated layer, concrete 3 pouring and maintenance are omitted, the construction efficiency is improved, and the construction period is shortened. Meanwhile, steel plates do not need to be additionally welded, zipper ribs are not additionally arranged, material consumption is reduced, and construction cost is reduced.
Still be provided with first reinforcing bar 4 in two T board units 1, first reinforcing bar 4 transversely extends to in the recess 2, and the one end of first reinforcing bar 4 is located two T board units 1 promptly, and the other end exposes in two T board units 1 outsides and be in recess 2. Still arranged the second reinforcing bar 5 of horizontal extension in the spread groove, when cast in situ concrete 3 in the spread groove, arrange second reinforcing bar 5 earlier and pour concrete 3 again, make concrete 3 and the 5 anchor of second reinforcing bar.
This two T board piece wet-type connected node structure still includes sealed unit, and sealed unit arranges the hookup location at two recesses 2, and sealed unit arranges in the centre of spread groove, the seam crossing of two T board units 1 promptly, and sealed unit can carry out waterproof sealing to seam crossing, improves the waterproof performance of two T board unit 1 connected node.
Preferably, be provided with reinforcing bar net piece 11 in the two T board units 1, reinforcing bar net piece 11 has the board top transverse reinforcement 41 that extends to 2 tops of recess, still pre-buried having the embedded bar 42 that extends to the 2 bottoms of recess in the two T board units 1, and first reinforcing bar 4 includes board top transverse reinforcement 41 and embedded bar 42, and second reinforcing bar 5 has arranged two-layerly, and second reinforcing bar 5 is connected respectively with board top transverse reinforcement 41, embedded bar 42.
Set up reinforcing bar net piece 11 in two T board units 1, reinforcing bar net piece 11 can increase two T board units 1's structural strength. Meanwhile, the plate top transverse steel bars 41 of the steel bar net piece 11 form a part of the first steel bars 4, so that the second steel bars 5 are in lap joint with the steel bar net piece 11, the steel bar net piece 11 in the double-T plate unit 1 and the second steel bars 5 in the connecting grooves form a whole, the anchoring strength is high, and the capacity of adjusting deformation is effectively improved.
First reinforcing bar 4 still includes embedded bar 42, and embedded bar 42 and the horizontal reinforcing bar 41 of plate top are along upper and lower direction interval arrangement, have increased the reinforcing bar density in the spread groove, and the anchor wall is fixed higher, has guaranteed the bulk rigidity of connected node.
Preferably, the anchoring length of the embedded steel bars 42 is greater than or equal to la, and the length of the part of the embedded steel bars 42 extending into the groove 2 is greater than or equal to 1.6la.
Because the embedded steel bars 42 bear the tensile force in the structure use process, la is used as the minimum anchoring length of the tensile steel bars, and the embedded steel bars 42 can bear corresponding stress loads. When the area percentage of the overlap joint of the embedded steel bars 42 is 100%, the overlap length must be greater than or equal to 1.6la, and the length of the part of the embedded steel bars 42 extending into the groove 2 is greater than or equal to 1.6la, so that the overlap length of the embedded steel bars 42 and the second steel bars 5 can meet the requirement.
Preferably, the connecting grooves are also internally provided with longitudinal steel bars 6 perpendicular to the second steel bars 5, the longitudinal steel bars 6 are arranged in two layers, and the two layers of longitudinal steel bars 6 and the two layers of second steel bars 5 are bound to form a mesh structure.
Preferably, the ends of the plate top transverse bars 41 and the embedded bars 42 are located inside the edges of the groove 2.
Both the plate top transverse steel bars 41 and the embedded steel bars 42 are used for being lapped with the second steel bars 5, and if the end parts of the plate top transverse steel bars and the embedded steel bars exceed the edges of the grooves 2, interference can occur between the plate top transverse steel bars and the embedded steel bars.
Preferably, the top and the bottom of the edge of the groove 2 are provided with chamfers 7, the chamfers 7 form a cavity after the two grooves 2 are spliced, and the sealing unit is arranged in the two cavities.
Set up chamfer 7 at the edge of recess 2, utilize chamfer 7 vacuole formation to hold sealed unit after recess 2 splices, need not to set up in addition and hold the position and arrange sealed unit, simplified the structural style of two T board units 1, two T board units 1 splices of also being convenient for of arranging of chamfer 7 simultaneously and fold. In the present embodiment, the chamfers 7 are inclined planes, and the cavity formed by the two chamfers 7 is a triangular structure.
All set up chamfer 7 at the top and the bottom of recess 2, all arrange sealed unit in two cavitys, can fully promote sealed water-proof effects through two sealed units.
Preferably, the sealing unit comprises a rubber water stop 8 and a sealing paste 9, the rubber water stop 8 is of a hollow pipe structure, the rubber water stop 8 extends along the connecting gap of the two grooves 2, and the sealing paste 9 is filled in the cavity.
The rubber waterstop 8 can seal the joint, the sealing paste 9 can fill the gap of the joint, the sealing paste 9 is filled to form a caulking joint, the caulking joint is matched with the rubber waterstop 8 to form multiple sealing, and the sealing waterproof effect of the joint structure is improved.
Preferably, the sealing unit further comprises a mesh cloth 10, the mesh cloth 10 being covered on the sealing paste 9.
The mesh cloth 10 may further reinforce the strength of the caulking formed by the sealant 9, thereby enhancing the waterproof property.
To sum up, the embodiment of the utility model provides a double T board piece wet-type connected node structure, it sets up the recess on the connecting end of double T board unit, utilizes the recess concatenation to form the spread groove, and the tank bottom of recess can be as the template of cast in situ concrete, has saved the process of formwork support, form removal, has removed the reinforcement of cast in situ integrated laminated layer, the concrete placement and the process of maintenance, reduces the material consumption, improves the efficiency of construction, practices thrift the time limit for a project; the first reinforcing bar of two T board units is connected with the second reinforcing bar in the spread groove, behind the cast in situ concrete in the spread groove, has abundant anchor between first reinforcing bar, second reinforcing bar and the concrete, can effectively improve the ability of adjusting the deformation, guarantees the holistic rigidity of floor, reduces the crack that piece department produced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A double-T-plate abutted wet type connecting joint structure is characterized by comprising two double-T-plate units which are oppositely arranged, wherein grooves are formed in the connecting ends, close to each other, of the two double-T-plate units, the grooves extend along the longitudinal direction of the double-T-plate units, and the two grooves are spliced into connecting grooves for cast-in-place concrete after the two double-T-plate units are spliced;
a first reinforcing steel bar transversely extending into the groove is further arranged in the double-T plate unit, a second reinforcing steel bar transversely extending is further arranged in the connecting groove, and the first reinforcing steel bar is in lap joint with the second reinforcing steel bar;
the sealing unit is arranged at the connecting position of the two grooves.
2. The wet type connecting joint structure for the splicing of the double T-shaped plates according to claim 1, wherein a reinforcing mesh is arranged in the double T-shaped plate unit, the reinforcing mesh is provided with plate top transverse reinforcing steel bars extending to the top of the groove, embedded reinforcing steel bars extending to the bottom of the groove are further embedded in the double T-shaped plate unit, the first reinforcing steel bars comprise the plate top transverse reinforcing steel bars and the embedded reinforcing steel bars, the second reinforcing steel bars are arranged in two layers, and the second reinforcing steel bars are respectively connected with the plate top transverse reinforcing steel bars and the embedded reinforcing steel bars.
3. The wet type connecting joint structure of the double-T plate splicing seam of claim 2, wherein the anchoring length of the embedded steel bars is greater than or equal to la, and the length of the part of the embedded steel bars extending into the groove is greater than or equal to 1.6la.
4. The wet type double-T-shaped board splicing joint structure according to claim 2, wherein longitudinal steel bars perpendicular to the second steel bars are further arranged in the connecting grooves, two layers of the longitudinal steel bars are arranged, and the two layers of the longitudinal steel bars and the two layers of the second steel bars are bound to form a mesh structure.
5. The wet type double-T-plate abutted seam connection joint structure according to claim 2, wherein the ends of the plate top transverse steel bars and the embedded steel bars are located on the inner side of the groove edge.
6. The double-T-plate abutted wet type connecting joint structure according to any one of claims 1 to 5, wherein the top and the bottom of the edge of each groove are provided with chamfers, the chamfers form a cavity after the two grooves are abutted, and the sealing units are arranged in the two cavities.
7. The double-T-plate abutted wet type connection joint structure according to claim 6, wherein the sealing unit comprises a rubber water stop strip and sealing paste, the rubber water stop strip is of a hollow tube structure, the rubber water stop strip extends along a connection gap of the two grooves, and the sealing paste is filled in the cavity.
8. The double T-piece wet connect joint construction of claim 7 wherein said sealing unit further comprises a mesh cloth overlying said sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222823557.8U CN218580968U (en) | 2022-10-25 | 2022-10-25 | double-T-plate abutted seam wet-type connecting joint structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222823557.8U CN218580968U (en) | 2022-10-25 | 2022-10-25 | double-T-plate abutted seam wet-type connecting joint structure |
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| CN218580968U true CN218580968U (en) | 2023-03-07 |
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| CN202222823557.8U Active CN218580968U (en) | 2022-10-25 | 2022-10-25 | double-T-plate abutted seam wet-type connecting joint structure |
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| CN (1) | CN218580968U (en) |
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