CN217420172U - Floor slab shelving joint - Google Patents
Floor slab shelving joint Download PDFInfo
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- CN217420172U CN217420172U CN202221101698.2U CN202221101698U CN217420172U CN 217420172 U CN217420172 U CN 217420172U CN 202221101698 U CN202221101698 U CN 202221101698U CN 217420172 U CN217420172 U CN 217420172U
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- precast concrete
- concrete beam
- floor slab
- floor
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Abstract
The utility model provides a node is shelved to floor belongs to prefabricated floor technical field. The prefabricated concrete beam is detachably connected with a supporting structure used for adjusting the distance between the floor slab and the prefabricated concrete beam when the floor slab and the prefabricated concrete beam are superposed and poured to form an integral floor system, and the supporting structure, the floor slab and the prefabricated concrete beam can be combined to form a closed pouring space. The supporting structure can adjust the distance between the floor slab and the precast concrete beam when the floor slab and the precast concrete beam are superposed to form the integral floor system, so that the standardization degree of the precast concrete beam can be improved, the precast concrete beam can be adaptive to various floor slabs, and the supporting structure, the floor slab and the precast concrete beam can be combined to form a closed pouring space to prevent mortar leakage.
Description
Technical Field
The utility model belongs to the technical field of prefabricated floor, a node is shelved to floor is related to.
Background
In the prior art, the construction method of the precast concrete floor system comprises the following steps: firstly, arranging a scaffold below a prefabricated bottom plate; secondly, placing the prefabricated bottom plate above the scaffold, wherein the plate end and the plate side of the prefabricated bottom plate and the side edge of the prefabricated concrete beam are located on the same vertical face; thirdly, sealing gaps at the plate end and the plate side of the prefabricated bottom plate and gaps at the side edges of the prefabricated concrete beam by adopting mortar or battens; and fourthly, pouring concrete on the superposed layer of the precast concrete beam and the precast bottom plate to form the integral floor system. This approach has the following problems:
1 when the difference between the top elevation of the precast beam of the precast concrete beam and the bottom elevation of the precast bottom plate is large, the gap is difficult to block by adopting mortar.
2 when the flitch is adopted to block the gap, the gap is easy to leak slurry due to the lack of side support.
3 when the small size of the gap is satisfied, the standardization degree of the precast concrete beam is easy to be low.
In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a ribbed floor structure is disclosed in a chinese patent application No. [ application number: 201821073712.6], comprising a prefabricated girder, prefabricated ribbed plates, a superposed layer and a plurality of supporting columns; the prefabricated girder is characterized in that a cantilever lug is arranged on the side edge of the prefabricated girder, the prefabricated ribbed plate is provided with a rib foot, two end parts of the prefabricated girder are respectively placed at the top of one support column, and the end part of the prefabricated ribbed plate is placed on the cantilever lug of the prefabricated girder; the end parts of the prefabricated main beam, the end parts of part of the rib feet and the top of the supporting column are fixed together; the superposed layers are laid on the top surfaces of the prefabricated main beams and the prefabricated ribbed plates, but the problems also exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a node is shelved to floor is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a node is shelved to floor, includes floor and sets up the precast concrete roof beam in the floor downside, precast concrete roof beam on detachably be connected with be used for when floor and precast concrete roof beam coincide pour form whole superstructure the bearing structure of interval between adjustment floor and the precast concrete roof beam, just bearing structure, floor and precast concrete roof beam can make up and form inclosed casting space.
In the above floor slab laying node, the support structure comprises battens arranged on two sides of the precast concrete beam, the inner side wall of each batten is abutted against the precast concrete beam, each side surface of the precast concrete beam is further provided with at least two fixing pieces connected with the battens, and the lower end surface of the floor slab is abutted against the battens.
In the above floor slab shelving node, the fixing piece comprises a channel steel with an L-shaped section, the channel steel is detachably fixed on the side face of the precast concrete beam through a plurality of bolts, the top face of the channel steel is perpendicular to the side face of the precast concrete beam, the side face of the channel steel is parallel to the side face of the precast concrete beam, the batten is erected on the top face of the channel steel, and the top face of the channel steel is further provided with a side limiting structure.
In foretell node is shelved to floor, side limit structure include the limiting plate with the perpendicular setting of channel-section steel top surface, this limiting plate and flitch are kept away from precast concrete roof beam one side and are leaned on.
In the floor slab placing node, the top surface of the channel steel is lower than the upper end surface of the precast concrete beam.
In the above floor slab placing node, a stiffening rib with a right triangle-shaped section is further arranged between the top surface and the side surface of the channel steel.
In the above floor slab shelving joint, the precast concrete beam includes a precast beam, a precast beam post-cast section, a beam stirrup, a precast beam bottom longitudinal bar and a precast beam top longitudinal bar.
In the above floor slab resting node, the top surface of the batten is higher than the top surface of the precast beam.
In the above floor slab shelving joint, the floor slab includes a bottom die steel plate, a floor slab laminated layer, a steel bar truss, distribution bars and additional steel bars.
In the above floor slab laying node, the length or width of the batten is the same as that of the bottom die steel plate.
Compared with the prior art, the utility model has the advantages of:
1. the supporting structure can adjust the distance between the floor slab and the precast concrete beam when the floor slab and the precast concrete beam are superposed to form the integral floor system, so that the standardization degree of the precast concrete beam can be improved, the precast concrete beam can be adaptive to various floor slabs, and the supporting structure, the floor slab and the precast concrete beam can be combined to form a closed pouring space to prevent mortar leakage.
2. The battens fixed to the side faces of the precast concrete beams through the fixing pieces can support the floor slab before the floor slab and the precast concrete beams are superposed and poured, so that the gap width between the top surface elevation of the precast concrete beams and the bottom surface elevation of the floor slab can be adjusted through the battens when the difference between the top surface elevation of the precast concrete beams and the bottom surface elevation of the floor slab is large, the precast concrete beams can be matched with various types of floor slabs, the battens are matched with the floor slab and the precast concrete beams after being surrounded to form a closed pouring space, and mortar leakage is prevented.
3. Side limit structure on the channel-section steel can carry on spacingly to the flitch lateral part to pressure increase in the space of pouring when preventing that the mortar from pouring leads to the stuff to move back.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a partial structural schematic diagram of the present invention;
FIG. 3 is a schematic structural view of a stiffener.
In the figure, a precast concrete beam 1, a floor slab 2, a fixing piece 3, a batten 4, a supporting structure 5, a precast beam 11, a precast beam post-cast section 12, a bottom die steel plate 21, a floor slab laminated layer 22, a steel bar truss 23, distribution ribs 24, channel steel 31, a side limiting structure 32, a limiting plate 33, a stiffening rib 34, a beam stirrup 111, a precast beam bottom longitudinal rib 112, a precast beam top longitudinal rib 113 and an additional steel bar 251.
Detailed Description
As shown in fig. 1-3, a floor slab laying node comprises a floor slab 2 and a precast concrete beam 1 arranged on the lower side of the floor slab 2, wherein the precast concrete beam 1 is detachably connected with a supporting structure 5 for adjusting the distance between the floor slab 2 and the precast concrete beam 1 when the floor slab 2 and the precast concrete beam 1 are superposed and cast to form an integral floor, and the supporting structure 5, the floor slab 2 and the precast concrete beam 1 can be combined to form a closed casting space.
In this embodiment, the supporting structure 5 can adjust the distance between the floor slab 2 and the precast concrete beam 1 when the floor slab 2 and the precast concrete beam 1 are superposed to form the integral floor system, so that the standardization degree of the precast concrete beam can be improved, the precast concrete beam can be adapted to various floor slabs, and the supporting structure 5, the floor slab 2 and the precast concrete beam 1 can be combined to form a closed pouring space to prevent mortar leakage.
Specifically, as shown in fig. 1 and 2, the supporting structure 5 includes battens 4 disposed on both sides of the precast concrete beam 1, inner sidewalls of the battens 4 abut against the precast concrete beam 1, at least two fixing members 3 connected to the battens 4 are further disposed on each side surface of the precast concrete beam 1, and a lower end surface of the floor slab 2 abuts against the battens 4. The battens fixed to the side faces of the precast concrete beams through the fixing pieces can support the floor slab before the floor slab and the precast concrete beams are superposed and poured, so that the gap width between the top surface elevation of the precast concrete beams and the bottom surface elevation of the floor slab can be adjusted through the battens when the difference between the top surface elevation of the precast concrete beams and the bottom surface elevation of the floor slab is large, the precast concrete beams can be matched with various types of floor slabs, the battens are matched with the floor slab and the precast concrete beams after being surrounded to form a closed pouring space, and mortar leakage is prevented.
Specifically, as shown in fig. 1 and 2, the fixing member 3 includes a channel steel 31 having an L-shaped cross section, the channel steel 31 is detachably fixed to the side surface of the precast concrete beam 1 by a plurality of bolts, the top surface of the channel steel 31 is perpendicular to the side surface of the precast concrete beam 1, the side surface of the channel steel 31 is parallel to the side surface of the precast concrete beam 1, the batten 4 is erected on the top surface of the channel steel 31, and the top surface of the channel steel 31 is further provided with a side limiting structure 32. Side limit structure on the channel-section steel can carry on spacingly to the flitch lateral part to pressure increase in the space of pouring when preventing that the mortar from pouring leads to the stuff to move back.
Specifically, as shown in fig. 1 and 2, the side limiting structure 32 includes a limiting plate 33 disposed perpendicular to the top surface of the channel steel 31, and the limiting plate 33 abuts against the side of the batten 4 away from the precast concrete beam 1.
Preferably, the top surface of the channel steel 31 is lower than the upper end surface of the precast concrete beam 1.
Preferably, as shown in fig. 3, a stiffener 34 having a right triangle cross section is further provided between the top surface and the side surface of the channel 31. The stiffening ribs can increase the supporting strength of the channel steel.
Specifically, referring to fig. 1, the precast concrete beam 1 includes a precast beam 11, a precast beam post-cast section 12, a beam hoop 111, a precast beam bottom longitudinal rib 112, and a precast beam top longitudinal rib 113. The floor slab 2 comprises a bottom formwork steel plate 21, a floor slab laminated layer 22, a steel bar truss 23, distribution ribs 24 and additional steel bars 251. The pouring space is formed between the bottom die steel plate 21 and the precast beam 11, the distance between the bottom die steel plate and the precast beam can be adjusted through the floor supported by the battens, the precast beam post-pouring section 12 is a connecting section for pouring and forming at the pouring space, the floor laminated layer 22 in the floor is poured and formed together when the precast beam post-pouring section 12 is poured, the beam stirrups 111, the precast beam bottom longitudinal ribs 112 and the precast beam top longitudinal ribs 113 can increase the strength of the precast concrete beam, the steel bar trusses 23, the distribution ribs 24 and the additional steel bars 251 can increase the strength of the floor, and the floor laminated layer 22 is not poured when the floor is transported, so that the transportation is convenient.
Preferably, the length or width of the batten 4 is the same as that of the bottom die steel plate 21.
Preferably, the top surface of the battens 4 is higher than the top surface of the precast beam 11 to prevent the battens from failing to support.
The utility model discloses a theory of operation is: the supporting structure 5 can adjust the space between the floor slab 2 and the precast concrete beam 1 when the floor slab 2 and the precast concrete beam 1 are superposed and cast to form an integral floor system, so that the standardization degree of the precast concrete beam can be improved, the precast concrete beam can be adapted to various floor slabs, and the supporting structure 5, the floor slab 2 and the precast concrete beam 1 can be combined to form a closed casting space to prevent mortar leakage;
the battens fixed on the two sides of the precast concrete beam through the plurality of fixing pieces can support the floor before the floor and the precast concrete beam are superposed and poured, so that the gap width between the top surface elevation of the precast concrete beam and the bottom surface elevation of the floor can be adjusted through the battens when the difference between the top surface elevation of the precast concrete beam and the bottom surface elevation of the floor is large, the precast concrete beam can be adapted to various types of floors, a closed pouring space can be formed by the battens and the precast concrete beam in a matched manner after the battens are surrounded, mortar leakage is prevented, the side limiting structure on the channel steel can limit the side part of the battens, the batten backing caused by the increase of pressure in the pouring space during mortar pouring is prevented, and the reinforcing ribs can increase the supporting strength of the channel steel;
the pouring space is formed between the bottom die steel plate 21 and the precast beam 11, the distance between the bottom die steel plate and the precast beam can be adjusted through the floor supported by the battens, the precast beam post-pouring section 12 is a connecting section for pouring and forming at the pouring space, the floor laminated layer 22 in the floor is poured and formed together when the precast beam post-pouring section 12 is poured, the beam stirrups 111, the precast beam bottom longitudinal ribs 112 and the precast beam top longitudinal ribs 113 can increase the strength of the precast concrete beam, the steel bar trusses 23, the distribution ribs 24 and the additional steel bars 251 can increase the strength of the floor, and the floor laminated layer 22 is not poured when the floor is transported, so that the transportation is convenient.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the precast concrete beam 1, the floor slab 2, the fixing member 3, the battens 4, the supporting structure 5, the precast beam 11, the precast beam post-cast section 12, the bottom die steel plate 21, the floor slab lamination layer 22, the steel bar truss 23, the distribution ribs 24, the channel steel 31, the side limiting structures 32, the limiting plates 33, the stiffening ribs 34, the beam stirrups 111, the precast beam bottom longitudinal ribs 112, the precast beam top longitudinal ribs 113, the additional steel bars 251, etc., are used more frequently herein, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a node is shelved to floor, includes floor (2) and sets up at precast concrete beam (1) of floor (2) downside, its characterized in that, precast concrete beam (1) on detachably be connected with be used for when floor (2) and precast concrete beam (1) coincide pour form whole superstructure adjusting floor (2) and precast concrete beam (1) between bearing structure (5) of interval, just bearing structure (5), floor (2) and precast concrete beam (1) can make up and form inclosed casting space.
2. A floor slab resting joint according to claim 1, characterized in that the supporting structure (5) comprises battens (4) arranged on both sides of the precast concrete beam (1), the inner side walls of the battens (4) abut against the precast concrete beam (1), at least two fixing members (3) connected with the battens (4) are arranged on each side of the precast concrete beam (1), and the lower end surface of the floor slab (2) abuts against the battens (4).
3. The floor slab resting node as claimed in claim 2, wherein the fixing member (3) comprises a channel steel (31) with an L-shaped cross section, the channel steel (31) is detachably fixed on the side surface of the precast concrete beam (1) through a plurality of bolts, the top surface of the channel steel (31) is perpendicular to the side surface of the precast concrete beam (1), the side surface of the channel steel (31) is parallel to the side surface of the precast concrete beam (1), the batten (4) is erected on the top surface of the channel steel (31), and the top surface of the channel steel (31) is further provided with a side limiting structure (32).
4. A floor slab resting joint according to claim 3, characterized in that the side limiting structure (32) comprises a limiting plate (33) arranged perpendicular to the top surface of the channel (31), the limiting plate (33) abutting against the side of the batten (4) remote from the precast concrete beam (1).
5. A floor slab rest node according to claim 3 or 4, characterised in that the top surface of the channel (31) is lower than the upper end surface of the precast concrete beam (1).
6. A floor slab resting node according to claim 3 or 4, characterized in that a stiffening rib (34) with a right triangle cross section is arranged between the top and the side of the channel steel (31).
7. A floor slab resting joint according to any of claims 2-4, characterized in that the precast concrete beam (1) comprises precast beams (11), precast beam post-cast sections (12), beam stirrups (111), precast beam bottom longitudinal reinforcements (112) and precast beam top longitudinal reinforcements (113).
8. A floor slab resting joint according to claim 7, characterized in that the top surface of the battens (4) is higher than the top surface of the precast beams (11).
9. A floor slab rest node according to any of claims 2-4, characterized in that the floor slab (2) comprises a bottom formwork steel plate (21), a floor slab laminate (22), a steel bar truss (23), distribution ribs (24) and additional steel bars (251).
10. A floor slab resting node according to claim 9, characterised in that the length or width of the battens (4) and the counter die steel plates (21) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221101698.2U CN217420172U (en) | 2022-04-28 | 2022-04-28 | Floor slab shelving joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221101698.2U CN217420172U (en) | 2022-04-28 | 2022-04-28 | Floor slab shelving joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217420172U true CN217420172U (en) | 2022-09-13 |
Family
ID=83185202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221101698.2U Active CN217420172U (en) | 2022-04-28 | 2022-04-28 | Floor slab shelving joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217420172U (en) |
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2022
- 2022-04-28 CN CN202221101698.2U patent/CN217420172U/en active Active
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