CN220620634U

CN220620634U - Assembled floor system

Info

Publication number: CN220620634U
Application number: CN202321988201.8U
Authority: CN
Inventors: 王小平; 熊思麒; 蔡宝林; 程春英; 陆波
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-03-19
Anticipated expiration: 2033-07-27

Abstract

The utility model provides an assembled floor system, which comprises a base plate and a plurality of prefabricated inserts, wherein the base plate is a screen plate with a plurality of hollowed holes, each insert is supported on the base plate, each insert seals at least one hollowed hole, and gaps among the inserts are filled by cast-in-place concrete. According to the assembled floor system provided by the utility model, the plurality of inserts are arranged on the screen plate type base plate, the connection between the inserts and the base plate is realized in a mode of filling gaps among the inserts by cast-in-place concrete, the base plate and the inserts can be prefabricated respectively while the assembled construction of the floor system is realized, the prefabrication production cost and prefabrication quality can be reduced, and the transportation and the site construction of components are also facilitated; the base plate and the insert can serve as templates for cast-in-situ construction, and the problems of difficult mold supporting and demolding, pollution to site environment and the like in cast-in-situ construction can be avoided.

Description

Assembled floor system

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to an assembled floor system.

Background

The floor system is a floor structure in a multi-layer house, and on one hand, the floor system bears various vertical loads and transmits the vertical loads to the bearing structure, and on the other hand, the floor system can bear horizontal loads together with the bearing structure to form a space stressed structure for integral work. The floor system mainly has the forms of a girderless floor system, a ribbed floor system, a dense ribbed floor system and the like, wherein the ribbed floor system is widely applied.

The construction of the floor system is mainly cast-in-situ construction, but with the gradual popularization of the assembly type construction, the floor system also gradually has the trend of adopting the assembly type construction. For example, CN202021686781.1 discloses a corner cut type prefabricated bidirectional cross rib superposed floor system, which adopts a mode that rib beams and a bottom plate are integrally prefabricated, and a structure reinforcing die box is arranged according to practical situations, and the construction mode has the problems of larger prefabricated ribbed bottom plate structure, difficult installation of the structure reinforcing die box and the like, and the larger ribbed bottom plate structure leads to higher prefabrication production cost and is inconvenient for transportation and site construction.

Disclosure of Invention

In view of the technical drawbacks and disadvantages of the prior art, an embodiment of the present utility model provides an assembled floor system that overcomes or at least partially solves the above-mentioned problems, including a base plate and a plurality of prefabricated inserts, the base plate is a mesh plate having a plurality of hollow holes, each of the inserts is supported on the base plate, each of the inserts blocks at least one of the hollow holes, and gaps between the inserts are filled with cast-in-place concrete.

Preferably, the hollow holes are stepped holes with large upper parts and small lower parts, the insert blocks are arranged in the same number and in one-to-one correspondence with the hollow holes, and each insert block is supported on the step surface of the corresponding hollow hole.

Preferably, the insert is a member having a cross-sectional area that increases from top to bottom.

Preferably, the hollowed-out holes are square holes, and the substrate is a grating plate; the bottom surface of each insert is a square surface, and the inserts are distributed on the substrate in an array manner.

Preferably, the grid sections of the base plates are all inverted T-shaped sections.

Preferably, the substrate is of a prefabricated assembly structure.

Preferably, the substrate includes a plurality of node members and a plurality of beams Duan Goujian, each of the node members and the beams Duan Goujian being prefabricated members; two adjacent node members are connected by a beam Duan Goujian, wherein the beam Duan Goujian is bolted to the corresponding node member.

Preferably, the insert is provided with a plurality of steel bar placing grooves; a plurality of reinforcing bars are arranged in the gaps between at least part of adjacent inserts, and two ends of the reinforcing bars respectively extend into the reinforcing bar placing grooves of the corresponding side inserts.

Preferably, shear studs are provided in at least part of the gaps between adjacent inserts, said shear studs being attached to said base plate.

Preferably, a hollow groove is formed in the bottom of the insert.

The utility model has the following beneficial effects:

according to the assembled floor system provided by the utility model, the plurality of inserts are arranged on the screen plate type base plate, the connection between the inserts and the base plate is realized in a mode of filling gaps among the inserts by cast-in-place concrete, the base plate and the inserts can be prefabricated respectively while the assembled construction of the floor system is realized, the prefabrication production cost and prefabrication quality can be reduced, and the transportation and the site construction of components are also facilitated; the base plate and the insert can serve as templates for cast-in-situ construction, and the problems of difficult mold supporting and demolding, pollution to site environment and the like in cast-in-situ construction can be avoided.

Drawings

FIGS. 1 and 2 are schematic views illustrating the mounting of an insert to a substrate in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a substrate according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of prefabrication and assembly of a substrate according to an embodiment of the present utility model;

fig. 5 and 6 are schematic structural views of an insert according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and fig. 2, the embodiment of the utility model provides an assembled floor system, which comprises a base plate 1 and a plurality of prefabricated inserts 2, wherein the base plate 1 is a screen plate with a plurality of hollow holes 11, each insert 2 is supported on the base plate 1, each insert 2 seals at least one hollow hole 11, and gaps among the inserts 2 are filled with cast-in-place concrete.

The base plate 1 may be a reinforced concrete plate, or may be made of other materials, for example, steel structural members.

The insert 2 may be a concrete member, preferably a reinforced concrete member; other materials can be adopted, for example, the composite material for building is adopted to prepare the composite material, and the dead weight can be reduced.

The inserts 2 and the hollow holes 11 can be in one-to-one correspondence, that is, each insert 2 seals one hollow hole 11; the insert 2 and the hollow holes 11 may be in a one-to-many relationship, that is, each insert 2 seals a plurality of hollow holes 11. In this embodiment, the insert 2 and the hollow hole 11 are in one-to-one correspondence.

The hollow holes 11 are preferably identical in specification, and the inserts 2 are also preferably identical in specification, so that standardized production and standardized construction are facilitated.

The hollow holes 11 are preferably distributed in an array on the substrate 1, and the inserts 2 are also preferably distributed in an array on the substrate 1.

In one embodiment, as shown in fig. 1-6, the hollowed-out hole 11 is a square hole; the bottom surface of the insert 2 is also preferably a square surface. In the case of the array distribution of the hollow holes 11, the substrate 1 is correspondingly a grid plate. Of course, the present utility model is not limited to the above-mentioned embodiments, for example, the bottom surface of the insert 2 may be a circular bottom surface, and the bottom surface may cover the corresponding hollow hole 11; the hollow hole 11 may be a circular hole, and the bottom surface of the insert 2 may be a circular bottom surface or a square bottom surface, so as to cover the circular hollow hole 11.

The cast-in-place concrete can fill the gaps among the inserts 2, connect the inserts 2 into a whole, and the cast-in-place structures can correspondingly form rib beams, so that the structural strength and the load bearing capacity of the floor are improved; moreover, the mode can effectively prevent the water seepage of the floor.

The rib beam can be cast in situ with the floor plate integrally, so that the construction efficiency can be further improved, and the structural integrity and the stress performance of the floor plate are better.

Wherein the top end of the insert 2 is preferably higher than the top end of the base plate 1, i.e. the insert 2 protrudes or partially protrudes from the base plate 1.

In one embodiment, as shown in fig. 1 and 3, the hollow holes 11 are stepped holes with large upper parts and small lower parts, the number of the inserts 2 is the same as that of the hollow holes 11 and the inserts are configured in a one-to-one correspondence manner, and each insert 2 is supported on the stepped surface of the corresponding hollow hole 11. In this embodiment, the bottom surface of the insert 2 is preferably adapted to the step surface, including both the same shape and the same size, for example, the bottom end of the insert 2 is supported on the step surface in a clearance fit. Based on the scheme, the insert 2 can be well positioned and restrained, and the construction quality and the construction efficiency can be improved; in addition, when the substrate 1 is provided with a part of structures extending into the gaps between the inserts 2, and concrete can be solidified to be used as a framework of the concrete during cast-in-place concrete, so that the structural strength of the rib beams is improved, the structural integrity between the substrate 1 and the inserts 2 and the cast-in-place rib beams is improved, and the integrity and the cooperative stress between the inserts 2 and the substrate 1 are improved.

In the case that the substrate 1 is a grid plate, preferably, as shown in fig. 1 to fig. 4, the grid sections of the substrate 1 are all inverted T-shaped sections; in this embodiment, the stepped hollow-out hole 11 can be formed correspondingly.

Preferably, the base plate 1 is in a prefabricated assembly type structure, so that the prefabricated production, transportation and site construction of the base plate 1 can be facilitated, and the complete assembly type construction of the floor system can be realized.

In one embodiment, as shown in fig. 4, the substrate 1 includes a plurality of node members 13 and a plurality of beams Duan Goujian, and the node members 13 and the beams Duan Goujian are prefabricated members; two adjacent node members 13 are connected by a beam Duan Goujian, wherein the beam Duan Goujian is bolted to the corresponding node member 13.

Wherein one node member 13 is connected with a plurality of beams Duan Goujian; for example, for a grid-plate type substrate 1, the node members 13 are located at grid nodes of the substrate 1, and the node members 13 need to be connected with four beams Duan Goujian. Thus, the node member 13 is preferably a cross-shaped member, specifically comprising four connecting arms for connecting with four beams Duan Goujian, respectively.

In one embodiment, as shown in fig. 4, the beams Duan Goujian are abutted against the ends of the corresponding connecting arms and are connected by the adapter plate 15, and the adapter plate 15 is bolted to the beams Duan Goujian and the connecting arms, respectively. In the case where the cross section of the grid of the substrate 1 is an inverted T-shaped cross section, correspondingly, as shown in fig. 4, the connection arms and the beams Duan Goujian are both inverted T-shaped members; defining an inverted T-shaped member comprising a bottom plate and webs connected to the bottom plate, wherein the plate surface of the bottom plate is parallel to the horizontal plane, the plate surface of the webs is parallel to the vertical direction, then the bottom plate of the beam Duan Goujian is abutted with the bottom plate end part of the connecting arm, the webs of the beam section member 14 are abutted with the web end part of the connecting arm, and the plate surface of the adapter plate 15 is respectively attached to the two webs and is respectively fixedly connected with the two webs through bolts; the connection between the beam Duan Goujian and the connecting arm is preferably realized by adopting two adapter plates 15, wherein the two adapter plates 15 are respectively positioned at two sides of the web plate, the connection stability and the connection reliability are higher, and the assembly bolts sequentially pass through the bolt through holes of one adapter plate 15, the bolt through holes of one web plate and the bolt through holes of the other adapter plate 15 and are then locked by the assembly nuts; each end of the adapter plate 15 is preferably provided with a plurality of bolt through holes, so that reliability and stability of the connection structure can be improved. The bottom plate of the beam segment member 14 and the bottom plate of the connecting arm can be welded, so that the connection reliability of the beam segment member 14 and the node member 13 is higher.

In one embodiment, as shown in fig. 1, 2 and 5, the insert 2 is provided with a plurality of rebar placement grooves 21; a plurality of reinforcing bars 3 are arranged in the gaps between at least part of adjacent inserts 2, and two ends of the reinforcing bars 3 respectively extend into the reinforcing bar placing grooves 21 of the corresponding side inserts 2. Therefore, the rib beam can be formed into a reinforced concrete structure, the structural strength of the rib beam can be improved, and the structural integrity and the cooperative stress performance between the inserts 2 can also be improved. Wherein, the steel bar placing groove 21 is arranged at the edge of the insert 2, preferably penetrates through the top surface and the side surface of the insert 2, so as to be convenient for placing the steel bars 3; the reinforcing bar placing grooves 21 are preferably provided at regular intervals along the circumferential direction of the insert 2, and for example, for a square insert 2, the reinforcing bar placing grooves 21 are provided on each of four side portions thereof, so that the convenience of construction can be improved, and special control of the orientation of the insert 2 is not required.

In one of the embodiments, as shown in fig. 1-4, shear studs 12 are provided in at least part of the gaps between adjacent inserts 2, said shear studs 12 being attached to said base plate 1. For example, in case the cross section of the grid of the base plate 1 is an inverted T-shaped cross section, the shear studs 12 may be provided on the web of the grid. The shear studs 12 can effectively improve the bonding tightness and reliability between the cast-in-place concrete and the base plate 1.

In one embodiment, as shown in fig. 1, 2, 5 and 6, the insert 2 is a member with a cross-sectional area gradually increasing from top to bottom, for example, the insert 2 may be in a form of a truncated cone, a truncated pyramid or the like; based on the design, the construction quality of cast-in-place concrete can be improved, the combination between the cast-in-place concrete and the insert 2 is ensured, and the load borne by the rib beam can be more reliably transmitted to the insert 2 and the base plate 1, so that the load bearing capacity of the floor is better.

Preferably, as shown in fig. 6, the bottom of the insert 2 is provided with a hollowed-out groove 22, which can correspondingly reduce the weight of the insert 2 and the floor, and save materials.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. An assembled superstructure, its characterized in that: the novel concrete casting mold comprises a substrate and a plurality of prefabricated inserts, wherein the substrate is a screen plate with a plurality of hollowed holes, each insert is supported on the substrate, each insert is used for plugging at least one hollowed hole, and gaps among the inserts are filled with cast-in-place concrete.

2. The fabricated building cover according to claim 1, wherein: the hollow holes are stepped holes with large upper parts and small lower parts, the number of the inserts is the same as that of the hollow holes, the inserts are in one-to-one correspondence, and each insert is supported on the step surface corresponding to the hollow hole.

3. The fabricated building cover according to claim 1, wherein: the insert is a member with a gradually increasing cross-sectional area from top to bottom.

4. The fabricated building cover according to claim 1, wherein: the hollowed-out holes are square holes, and the substrate is a grating plate; the bottom surface of each insert is a square surface, and the inserts are distributed on the substrate in an array manner.

5. The fabricated building cover according to claim 4, wherein: the grid sections of the base plate are all inverted T-shaped sections.

6. The fabricated building cover according to claim 1, wherein: the base plate is of a prefabricated assembly type structure.

7. The fabricated building cover according to claim 6, wherein: the substrate includes a plurality of node members and a plurality of beams Duan Goujian, the node members and the beams Duan Goujian each being prefabricated members; two adjacent node members are connected by a beam Duan Goujian, wherein the beam Duan Goujian is bolted to the corresponding node member.

8. The fabricated building cover according to claim 1, wherein: a plurality of steel bar placing grooves are formed in the insert; a plurality of reinforcing bars are arranged in the gaps between at least part of adjacent inserts, and two ends of the reinforcing bars respectively extend into the reinforcing bar placing grooves of the corresponding side inserts.

9. The fabricated building cover according to claim 1, wherein: and shear pins are arranged in gaps between at least part of adjacent inserts, and are connected to the base plate.

10. The fabricated building cover according to claim 1, wherein: the bottom of the insert is provided with a hollow groove.