CN217299401U - Splicing node of full-prefabricated floor slab - Google Patents
Splicing node of full-prefabricated floor slab Download PDFInfo
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- CN217299401U CN217299401U CN202220549895.4U CN202220549895U CN217299401U CN 217299401 U CN217299401 U CN 217299401U CN 202220549895 U CN202220549895 U CN 202220549895U CN 217299401 U CN217299401 U CN 217299401U
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Abstract
The utility model provides a concatenation node of full precast floor slab, including roof beam, first full precast floor slab, the full precast floor slab of second and a plurality of splicing apparatus, the full precast floor slab parallel arrangement of first full precast floor slab and second, just the both ends of the full precast floor slab of first full precast floor slab and second are set up respectively on the roof beam, splice plate seam has between the full precast floor slab of first full precast floor slab and second, all splicing apparatus follows splice plate seam interval sets up, and follows the both sides fixed connection of splice plate seam the full precast floor slab of first full precast floor slab and second, splicing apparatus can show the face that improves seam crossing and shear, bending rigidity and bearing capacity improve waterproof ability, and the totality can reach the performance of approximate cast-in-place whole superstructure.
Description
Technical Field
The utility model relates to a building field, in particular to concatenation node of full precast floor slab.
Background
Floor slabs, as one of the important horizontal elements in building construction, have the main functions of: 1. under the normal use condition, the constant load and the live load of the self weight of the floor slab need to be borne, and the load is transmitted to stressed components such as a beam 1 column and the like; 2. when the building bears horizontal loads such as wind load or earthquake load, the horizontal load of the floor is effectively transmitted to the lateral force resisting system of the building structure through the in-plane rigidity of the floor.
The existing floor slab mainly comprises a cast-in-place floor slab, a steel bar truss floor bearing plate, a composite floor slab, a PK plate, a prestressed hollow floor slab and a fully prefabricated floor slab, wherein the cast-in-place floor slab needs a large amount of on-site template operation and concrete pouring wet operation, and does not meet the requirements of quick industrialized construction, labor cost reduction and green environmental protection idea required by the existing country; the steel bar truss floor bearing plate, the superposed floor slab and the PK plate are used as the conventional fabricated common floor slab, so that the workload of on-site concrete wet operation is large, and the labor cost is high; the prestressed hollow floor slab is suitable for large-span structural rules due to plate requirements, and is applied to industrial plants with simple functions. The fully-prefabricated floor slab can be industrially produced and hoisted in an on-site assembling mode, a formwork and a support are not required in the mounting process of the fully-prefabricated floor slab, binding of reinforcing steel bars is not required in the on-site process, the on-site construction speed can be greatly increased, and the fully-prefabricated floor slab is green and environment-friendly and is suitable for civil houses such as small-span houses and apartments. However, for convenience of manufacture and transportation, the width of the floor slab is limited, and floor slab joints exist between the prefabricated floor slabs on the spot.
Based on the current situation, according to the current relevant standard requirements, the existence of the floor slab splicing seams of the prefabricated floor slab influences the integrity of the prefabricated floor slab, greatly weakens the in-plane shearing resistance, bending rigidity and bearing capacity of the floor slab, and cracks can appear when deformation is inconsistent, so that the actual use of the prefabricated floor slab is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concatenation node of prefabricated floor entirely, what the floor piece that can solve prefabricated floor caused shears in the face of seam crossing, the problem that descends such as bending stiffness and bearing capacity.
In order to solve the problem, the utility model provides a full precast floor's concatenation node, including roof beam, first full precast floor, the full precast floor of second and a plurality of splicing apparatus, the full precast floor parallel arrangement of first full precast floor and second, just the both ends of the full precast floor of first full precast floor and second are set up respectively on the roof beam, splice plate seam has between the full precast floor of first full precast floor and second, all splicing apparatus follows splice plate seam interval sets up, and follows the both sides fixed connection of splice plate seam first full precast floor and the full precast floor of second.
Optionally, first full precast floor slab and the full precast floor slab of second all include relative first surface and the second surface that sets up, splicing apparatus includes connecting piece, connecting plate and locking structure, connecting piece and connecting plate set up respectively in first surface and second are surperficial, locking structure link up splice board seam both sides first full precast floor slab and the full precast floor slab of second connect connecting piece and connecting plate.
Further, be provided with first recess on the second surface of first full precast floor slab, be provided with the second recess on the second surface of the full precast floor slab of second, first recess and second recess intercommunication just constitute a mounting groove, the mounting groove with splice plate seam intercommunication, the connecting plate sets up in the mounting groove, wherein, the second surface of first full precast floor slab with the second surface homonymy setting of the full precast floor slab of second.
Further, the first surface of the first full precast floor slab is provided with a first positioning groove and a first connecting groove, and the first connecting groove is positioned between the first positioning groove and the splicing plate seam;
the first surface of the second full precast floor slab is provided with a second positioning groove and a second connecting groove, and the second connecting groove is positioned between the second positioning groove and the splicing plate seam;
the first connecting groove and the second connecting groove are communicated with the first positioning groove and the second positioning groove, and the connecting piece is arranged in the first positioning groove, the first connecting groove, the second connecting groove and the second positioning groove.
Furthermore, the connecting piece comprises two connecting rings and a connecting rod, the two connecting rings are respectively connected to two ends of the connecting rod, the two connecting rings are respectively arranged in the first positioning groove and the second positioning groove, and the connecting rod is arranged in the first connecting groove and the second connecting groove.
Furthermore, a first through hole is formed between the first positioning groove and the first groove and is communicated with the first positioning groove and the first groove, a second through hole is formed between the second positioning groove and the second groove and is communicated with the second positioning groove and the second groove.
Furthermore, the locking structure comprises two screws and two nuts, one end of each screw is connected with the connecting plate, the outer peripheral surface of the end part of the other end of each screw is provided with an external thread, and each nut is provided with an internal thread matched with the external thread;
the two screw rods respectively penetrate into the first through hole and the second through hole from the bottoms of the mounting grooves and respectively penetrate into the first positioning groove and the second positioning groove, the nut is in threaded connection with the other end of the screw rod, and the connecting piece is located between the nut and the connecting plate.
Furthermore, splicing apparatus still includes a first rubber pad and two second rubber pads, first rubber pad sets up the connecting plate with between the tank bottom of mounting groove, two the second rubber pad sets up respectively in first constant head tank and the second constant head tank, and be located the connecting piece with between the first rubber pad.
Optionally, a plate joint reinforcing steel bar is arranged in the splicing plate joint, and the plate joint reinforcing steel bar is arranged along the extending direction of the splicing plate joint.
Furthermore, the first fully-prefabricated floor slab is provided with a first positioning groove reinforcing steel bar and a first installation groove reinforcing steel bar, the first positioning groove reinforcing steel bar is arranged between the second surface and the installation groove and surrounds the first through hole, the first installation groove reinforcing steel bar is arranged close to the installation groove, and the first installation groove reinforcing steel bar is positioned between the first groove and the first positioning groove reinforcing steel bar;
the full precast floor of second has second constant head tank reinforcement reinforcing bar and second mounting groove reinforcement reinforcing bar, second constant head tank reinforcement reinforcing bar sets up between second surface and the mounting groove, and encircles the second through-hole sets up, second mounting groove reinforcement reinforcing bar is close to the mounting groove sets up, just second mounting groove reinforcement reinforcing bar is located between second recess and the second constant head tank reinforcement reinforcing bar.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a concatenation node of full precast floor slab, including roof beam, first full precast floor slab, the full precast floor slab of second and a plurality of splicing apparatus, the full precast floor slab parallel arrangement of first full precast floor slab and second, just the both ends of the full precast floor slab of first full precast floor slab and second are set up respectively on the roof beam, splice plate seam has between the full precast floor slab of first full precast floor slab and second, all splicing apparatus follows splice plate seam interval sets up, and follows the both sides fixed connection of splice plate seam the full precast floor slab of first full precast floor slab and second, splicing apparatus can show the face that improves seam crossing and shear, bending rigidity and bearing capacity improve waterproof ability, and the totality can reach the performance of approximate cast-in-place whole superstructure.
Drawings
Fig. 1 is a schematic structural view of a splicing node of a full precast floor slab according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view at AA' of FIG. 1;
fig. 3a-3b are schematic cross-sectional views of a second fully prefabricated floor slab according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a second positioning groove reinforcing bar according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a splicing apparatus according to an embodiment of the present invention;
fig. 6a-6b are schematic structural views of a connecting member according to an embodiment of the present invention;
description of reference numerals:
1-a beam; 2-a first fully precast floor slab; 3-second fully precast floor slab; 3 a-a first surface; 3 b-a second surface; 31-prefabricating a floor slab steel bar structure; 311-prefabricating floor slab reinforcing steel bars; 32-a second groove; 33-plate seam reinforcing steel bars; 34-second positioning groove reinforcing steel bars; 351-a second positioning groove; 352-second via; 10-a splicing device; 11-a connecting plate; 121-screw rod; 122-a nut; 123-a first rubber pad; 124-a second rubber pad; 13-a connector; 131-a connecting ring; 132-a connecting rod; 14-filling.
Detailed Description
It will be right to make further detailed description below on the splicing node of a full precast floor slab of the present invention. The present invention will now be described in more detail with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the beneficial results of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
In the interest of clarity, not all features of an actual implementation are described. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific details may be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects and features of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a splicing node of a full precast floor slab according to this embodiment. As shown in fig. 1, this embodiment provides a splicing node of full precast floor slab, including roof beam 1, first full precast floor slab 2, the full precast floor slab 3 of second and a plurality of splicing apparatus 10, first full precast floor slab 2 and the full precast floor slab 3 of second are in establish respectively at the both ends on the extending direction of first full precast floor slab 2 on the roof beam 1, first full precast floor slab 2 and the full precast floor slab 3 parallel arrangement of second, just splice plate seam has between the full precast floor slab 2 of first full precast floor slab and the full precast floor slab 3 of second, all splicing apparatus 10 follows splice plate seam interval sets up, and follows the both sides fixed connection of splice plate seam first full precast floor slab 2 and the full precast floor slab 3 of second.
FIG. 2 is a schematic cross-sectional view at AA' in FIG. 1. Fig. 3a-3b are schematic cross-sectional views of a second full precast floor slab of this embodiment. As shown in fig. 2 and fig. 3a-3b, the splice plate slot is V-shaped in the direction perpendicular to the extending direction of the first full precast floor slab 2, in detail, the first full precast floor slab 2 and the second full precast floor slab 3 both include a first surface and a second surface which are oppositely arranged, the first surface of the first full precast floor slab 2 and the first surface 3a of the second full precast floor slab 3 are arranged on the same side, the second surface of the first full precast floor slab 2 and the second surface 3b of the second full precast floor slab 3 are arranged on the same side, and the splice plate slot has the largest opening size near the first surface 3a side and the smallest opening size near the second surface 3b side, so as to facilitate the splicing operation.
The surface of the first full precast floor slab 2 facing the second full precast floor slab 3 is a rough surface, and the surface of the second full precast floor slab 3 facing the first full precast floor slab 2 is a rough surface, so that the filler in the splicing slab joint can be easily attached.
The first full precast floor slab 2 and the second full precast floor slab 3 comprise precast floor slab steel bar structures 31, the precast floor slab steel bar structures 31 are formed by fixing a plurality of precast floor slab steel bars 311 in a staggered mode and are in a three-dimensional grid shape, the fixed precast floor slab steel bar structures 31 form the first full precast floor slab 2 and the second full precast floor slab 3 through concrete pouring, and as shown in fig. 3a, the precast floor slab steel bar structures 31 are embedded in the first full precast floor slab 2 and the second full precast floor slab 3.
The second surface side of the first full precast floor slab 2 is provided with a first groove, the second surface 3b side of the second full precast floor slab 3 is provided with a second groove 32, the first groove and the second groove 32 are communicated and form a mounting groove, and the mounting groove is communicated with the splice plate seam. The first groove and the second groove 32 may have the same shape, the same size, and the same shape, the length of the first groove in the direction perpendicular to the extending direction of the first full precast floor slab 2 is smaller than the length of the second groove 32 in the direction perpendicular to the extending direction of the first full precast floor slab 2, and the specific size requirement is set according to the actual requirement.
The diapire of mounting groove is smooth surface to do benefit to the installation of connecting plate 11 and first rubber pad. The first groove is located on the outer side of the prefabricated floor slab reinforcing steel structure of the first full prefabricated floor slab 2, and the second groove 32 is located on the outer side of the prefabricated floor slab reinforcing steel structure 31 of the second full prefabricated floor slab 3.
The first surface of the first full precast floor slab 2 has a first positioning groove, the first surface 3a of the second full precast floor slab 3 has a second positioning groove 351, the first and second positioning grooves 351 are disposed at both sides of the splice plate seam, and preferably, the first and second positioning grooves 351 are symmetrically disposed at both sides of the splice plate seam. The bottom of the first positioning groove has a first through hole, the bottom of the second positioning groove 351 has a second through hole 352, the first through hole communicates the first positioning groove and the first groove, and the second through hole 352 communicates the second positioning groove 351 and the second groove 32. The first positioning groove penetrates through the first full precast floor slab 2 from a first surface, the bottom of the first positioning groove is positioned on the inner side of the precast floor slab reinforced structure of the first full precast floor slab 2, the first through hole penetrates through the bottom wall of the first positioning groove and further penetrates through the first groove, namely, the first positioning groove and the first through hole penetrate through the precast floor slab reinforced structure along the thickness direction of the first full precast floor slab 2; the second positioning groove 351 penetrates the second full precast floor slab 3 from the first surface, the groove bottom of the second full precast floor slab 3 is located at the inner side of the precast floor slab reinforcing structure, and the second through hole 352 penetrates the bottom wall of the second positioning groove 351 and the second groove 32, that is, the second positioning groove 351 and the second through hole 352 penetrate the precast floor slab reinforcing structure in the thickness direction of the second full precast floor slab 3.
The first positioning groove and the second positioning groove 351 are both truncated cone-shaped grooves, for example, so that the radius of the opening of the first positioning groove is larger than the radius of the groove bottom, namely, the structure is large at the top and small at the bottom, and similarly, the radius of the opening of the second positioning groove 351 is larger than the radius of the groove bottom. The depth of the first and second positioning grooves 351 is, for example, more than 40mm, and preferably, the depth of the first and second positioning grooves 351 is, for example, 50 mm. The axis of the first through hole overlaps with the axis of the first positioning groove, and the axis of the second through hole 352 overlaps with the axis of the second positioning groove 351.
The first surface of first full precast floor slab 2 still has first spread groove, the first surface 3a of the full precast floor slab 3 of second still has the second spread groove, first spread groove intercommunication splice board seam and first constant head tank, the second spread groove intercommunication splice board seam and second constant head tank 351, first spread groove and second spread groove intercommunication, just first spread groove and second spread groove form the spread groove, the spread groove with splice board seam sets up perpendicularly, the spread groove with first constant head tank and the equal groove depth of second constant head tank 351.
First full prefabricated floor 2 has first constant head tank reinforcement reinforcing bar and first mounting groove reinforcement reinforcing bar, the full prefabricated floor of second 3 has second constant head tank reinforcement reinforcing bar 34 and second mounting groove reinforcement reinforcing bar, first constant head tank reinforcement reinforcing bar sets up the prefabricated floor slab steel bar structure of first full prefabricated floor 2 is inboard, and is further, first constant head tank reinforcement reinforcing bar sets up between second surface 3b and the mounting groove, and encircles first through-hole sets up, in order to strengthen shear, bending rigidity and bearing capacity in the face of first full prefabricated floor 2. Similarly, second constant head tank reinforcement reinforcing bar 34 sets up the precast floor slab steel bar structure of the full precast floor slab 3 of second is inboard, and is further, second constant head tank reinforcement reinforcing bar 34 sets up between second surface and the mounting groove, and encircle the setting of second through-hole 352 is in order to strengthen shear, bending stiffness and bearing capacity in the face of the full precast floor slab 3 of second. The first installation groove reinforcing steel bar and the second installation groove reinforcing steel bar are both arranged close to the installation groove, and the first installation groove reinforcing steel bar is positioned between the first groove and the first positioning groove reinforcing steel bar so as to further enhance the in-plane shear resistance, bending rigidity and bearing capacity of the first fully-prefabricated floor slab 2; the second installation groove reinforcing steel bar is positioned between the second groove 32 and the second positioning groove reinforcing steel bar 34 to further strengthen the in-plane shear resistance, bending rigidity and bearing capacity of the second full precast floor slab 3.
Fig. 4 is a schematic cross-sectional view of a second mounting groove reinforcing bar according to the present embodiment. As shown in fig. 4, the first installation groove reinforcing steel bar and the second installation groove reinforcing steel bar are two structures with the same shape, material and size, namely, the first mounting groove reinforcing steel bar and the second mounting groove reinforcing steel bar are of two identical structures, the first mounting groove reinforcing steel bar and the second mounting groove reinforcing steel bar are generally U-shaped steel bars, the first through-hole is located inside the first mounting groove reinforcing steel bar such that the first mounting groove reinforcing steel bar is wound around the first through-hole, the opening of the first installation groove reinforcing steel bar is arranged perpendicular to the extending direction of the first full precast floor slab 2, the second through-hole 352 is positioned inside the second mounting groove reinforcing bar, so that the second mounting groove reinforcing bar is wound around the second through-hole 352, and the opening of the second mounting groove reinforcing steel bar is perpendicular to the extending direction of the second full precast floor slab 3.
Fig. 5 is a schematic structural diagram of the splicing apparatus of this embodiment. As shown in fig. 5, splicing apparatus 10 includes connecting plate 11, connecting piece 13 and locking structure, splicing apparatus includes connecting piece, connecting plate and locking structure, connecting piece and connecting plate set up respectively in first surface and second are surperficial, locking structure link up splice board seam both sides first full precast floor slab and the full precast floor slab of second, and connect connecting piece and connecting plate. In detail, the connecting plate 11 is arranged in the mounting groove, the connecting piece 13 is arranged in the connecting groove, and the connecting plate 11 and the connecting piece 13 are fixedly connected with the first full precast floor slab 2 and the second full precast floor slab 3 together.
The locking structure comprises two screws 121 and two nuts 122, one end of each screw 121 is connected with the connecting plate 11, an external thread is arranged on the outer peripheral surface of the end of the other end of each screw, and the nut 122 is provided with an internal thread matched with the external thread. The two screws 121 respectively penetrate into the first through hole and the second through hole 352 from the groove bottom of the mounting groove and respectively penetrate into the first positioning groove and the second positioning groove 351. At this time, the connection plate 11 is disposed in the mounting groove.
Fig. 6a-6b are schematic structural views of the connector of the present embodiment. As shown in fig. 6a-6b, the connecting member 13 is composed of connecting rings 131 and connecting rods 132, the connecting rings 131 are disposed at two ends of the connecting rods 132, each connecting ring 131 is sleeved on the other end of one of the screws 121, the connecting rods 132 are disposed in the connecting grooves, each nut 122 is screwed on the other end of one of the screws 121, and the connecting member 13 is located between the nut 122 and the connecting plate 11.
The material of the connection plate 11, the screw rod 121, the connector 13, etc. is, for example, steel, specifically, Q235B steel plate, and the surfaces of the connection plate 11, the screw rod 121, the connector 13, etc. all have zinc film layer surfaces to prevent rust and corrosion.
The splicing device 10 further comprises a first rubber pad 123 and a second rubber pad 124, the first rubber pad 123 is arranged in the mounting groove, is positioned between the groove bottom of the mounting groove and the connecting plate 11, and has the same shape as the groove bottom of the mounting groove, and the first rubber pad 123 is provided with openings at the first through hole and the second through hole 352, so that the two screws 121 can penetrate through the first rubber pad 123 to enter the first through hole and the second through hole 352, and the structural waterproof function can be enhanced. The nominal thickness of the first rubber pad 123 may be between 0.5mm and 2mm, preferably 1 mm.
Optionally, structural glue is filled in the gaps between the first through hole and the screw rod 121 and the gaps between the second through hole 352 and the screw rod 121, so as to fix the locking structure in the first full precast floor slab 2 and the second full precast floor slab 3.
The second rubber pads 124 are circular, and the two second rubber pads 124 are respectively arranged in the first positioning groove and the second positioning groove 351 and are located between the connecting piece 13 and the connecting plate 11, so that the waterproof function of the structure can be enhanced. The nominal thickness of the second rubber pad 124 may be between 0.5mm and 2mm, preferably 1 mm.
Be provided with board seam reinforcement reinforcing bar 33 in the concatenation board seam, board seam reinforcement reinforcing bar 33 is followed the extending direction setting of concatenation board seam. The splice plate slits, the first positioning groove and the second positioning groove 351 are filled with a filler, such as C40 micro-expansive concrete.
To sum up, the utility model provides a pair of full precast floor's concatenation node is connected through a series of connecting plates and connecting piece machinery, with two effectual being connected to together of full precast floor to make shear in the face of full precast floor piece, bending rigidity and the effectual improvement of bearing capacity, avoided two blocks of floor amount of deflection nonconformities to arouse the floor crack, and the waterproof ability of splice plate seam department has great improvement, can realize the result of use of approximate cast-in-place whole floor, and need not formwork and support, and simple structure, the site operation is comparatively convenient.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It is to be understood that while the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention to the disclosed embodiment. To anyone skilled in the art, without departing from the scope of the present invention, the technical solution disclosed above can be used to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a concatenation node of full precast floor slab, a serial communication port, including roof beam, first full precast floor slab, the full precast floor slab of second and a plurality of splicing apparatus, the full precast floor slab parallel arrangement of first full precast floor slab and second, just the both ends of the full precast floor slab of first full precast floor slab and second are set up respectively on the roof beam, splice plate seam has between the full precast floor slab of first full precast floor slab and second, all splicing apparatus follows splice plate seam interval sets up, and follows splice plate seam's both sides fixed connection first full precast floor slab and the full precast floor slab of second.
2. The splice joint of the full precast floor slab of claim 1, wherein the first full precast floor slab and the second full precast floor slab each include a first surface and a second surface that are oppositely disposed, the splicing apparatus includes a connecting member, a connecting plate, and a locking structure, the connecting member and the connecting plate are respectively disposed on the first surface and the second surface, the locking structure penetrates the first full precast floor slab and the second full precast floor slab at both sides of the splice plate gap and connects the connecting member and the connecting plate.
3. The splice joint of a full precast floor slab of claim 2,
the second surface of first full precast floor is provided with first recess, the second surface of the full precast floor of second is provided with the second recess, first recess and second recess intercommunication just constitute a mounting groove, the mounting groove with splice plate seam intercommunication, the connecting plate sets up in the mounting groove, wherein, the second surface of first full precast floor with the second surface homonymy of the full precast floor of second sets up.
4. The splice joint of a full precast floor slab of claim 3,
the first surface of the first full precast floor slab is provided with a first positioning groove and a first connecting groove, and the first connecting groove is positioned between the first positioning groove and the splicing plate seam;
the first surface of the second full precast floor slab is provided with a second positioning groove and a second connecting groove, and the second connecting groove is positioned between the second positioning groove and the splicing plate seam;
the first connecting groove and the second connecting groove are communicated with the first positioning groove and the second positioning groove, and the connecting piece is arranged in the first positioning groove, the first connecting groove, the second connecting groove and the second positioning groove.
5. The splicing node of a full precast floor slab of claim 4, wherein the connection member includes two connection rings and a connection rod, the two connection rings are respectively connected to both ends of the connection rod, and the two connection rings are respectively disposed in the first and second positioning grooves, and the connection rod is disposed in the first and second connection grooves.
6. The splice joint of the full precast floor slab of claim 4, wherein the first positioning groove and the first groove have a first through hole therebetween, the first through hole communicating the first positioning groove and the first groove, and the second positioning groove and the second groove have a second through hole therebetween, the second through hole communicating the second positioning groove and the second groove.
7. The splice joint of full precast floor slabs of claim 6,
the locking structure comprises two screws and two nuts, one end of each screw is connected with the connecting plate, the outer peripheral surface of the end part of the other end of each screw is provided with an external thread, and each nut is provided with an internal thread matched with the external thread;
the two screw rods respectively penetrate into the first through hole and the second through hole from the bottoms of the mounting grooves and respectively penetrate into the first positioning groove and the second positioning groove, the nut is in threaded connection with the other end of the screw rod, and the connecting piece is located between the nut and the connecting plate.
8. The splice joint of fully precast floor slab of claim 7, wherein said splicing means further comprises a first rubber pad disposed between said connecting plate and the bottom of said mounting groove and two second rubber pads disposed in said first and second positioning grooves, respectively, between said connecting member and said first rubber pad.
9. The spliced node of a full precast floor slab according to claim 1, wherein slab joint reinforcing bars are provided in the spliced slab joints, and the slab joint reinforcing bars are provided along an extending direction of the spliced slab joints.
10. The splice joint of full precast floor slabs of claim 6,
the first full precast floor slab is provided with a first positioning groove reinforcing steel bar and a first mounting groove reinforcing steel bar, the first positioning groove reinforcing steel bar is arranged between the second surface and the mounting groove and surrounds the first through hole, the first mounting groove reinforcing steel bar is arranged close to the mounting groove, and the first mounting groove reinforcing steel bar is positioned between the first groove and the first positioning groove reinforcing steel bar;
the full precast floor of second has second constant head tank reinforcement reinforcing bar and second mounting groove reinforcement reinforcing bar, second constant head tank reinforcement reinforcing bar sets up between second surface and the mounting groove, and encircles the second through-hole sets up, second mounting groove reinforcement reinforcing bar is close to the mounting groove sets up, just second mounting groove reinforcement reinforcing bar is located between second recess and the second constant head tank reinforcement reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220549895.4U CN217299401U (en) | 2022-03-14 | 2022-03-14 | Splicing node of full-prefabricated floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220549895.4U CN217299401U (en) | 2022-03-14 | 2022-03-14 | Splicing node of full-prefabricated floor slab |
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| Publication Number | Publication Date |
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| CN217299401U true CN217299401U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220549895.4U Active CN217299401U (en) | 2022-03-14 | 2022-03-14 | Splicing node of full-prefabricated floor slab |
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| CN (1) | CN217299401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627846A (en) * | 2022-11-08 | 2023-01-20 | 中交一公局集团有限公司 | Construction method of assembled laminated slab and post-cast strip structure |
-
2022
- 2022-03-14 CN CN202220549895.4U patent/CN217299401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627846A (en) * | 2022-11-08 | 2023-01-20 | 中交一公局集团有限公司 | Construction method of assembled laminated slab and post-cast strip structure |
| CN115627846B (en) * | 2022-11-08 | 2023-07-14 | 中交一公局集团有限公司 | Construction method of assembled laminated slab and post-pouring strip structure |
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