CN217998561U

CN217998561U - Bottom die assembly-free building floor slab

Info

Publication number: CN217998561U
Application number: CN202220778500.8U
Authority: CN
Inventors: 周裕文
Original assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Current assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-12-09
Anticipated expiration: 2032-04-06

Abstract

The embodiment of the utility model discloses a bottom-die-free fabricated building floor slab, which comprises truss steel bars and a bottom plate; the plurality of truss reinforcing steel bars are arranged on the bottom plate; a crack resistant fiber web is disposed in the bottom plate. The utility model discloses exempt from die block assembled building floor prefabricated plate is thinner, is no longer than 20mm, and the total thickness is accomplished in the construction is no longer than 120mm, and the dead weight is lighter than the superimposed sheet, and the prefabricated plate does not belong to a part of structural slab, only regards as the exempting from to tear open the die block of floor, during the floor concatenation, can seal the concatenation, need not stay the post-cast strip. Compared with a laminated slab, the self-weight of the structural product is lighter, so that the concrete amount and the steel bar amount of a building are further reduced, a post-pouring belt is not required to be additionally arranged during splicing, the manufacturing cost is lower, and the work efficiency is higher. Compare in truss reinforcing bar + profiled sheet product, this structure product later stage need not to carry out the furred ceiling and handles. To sum up, the product of this structure can effectively reduce cost, reduces the manual work, improves the work efficiency, more does benefit to the popularization and application of assembled building.

Description

Bottom die assembly-free building floor slab

Technical Field

The utility model belongs to the technical field of the relevant technique of assembly type structure and specifically relates to a bottom die block assembly type structure floor exempts from.

Background

At present, in the assembly type building industry of China, a floor slab is generally assembled and constructed by adopting a truss steel bar laminated slab, the thickness of the truss steel bar laminated slab is thick, the thickness of a general precast concrete slab is more than 60mm, the thickness of post-cast concrete is more than 70mm, and the total thickness is generally not less than 130mm according to the national standard requirements; the thickness of the floor slab in the cast-in-place construction technology is generally about 100 mm. Because the floor becomes thicker, the total dead weight of the building is heavier, the seismic force is increased, and the concrete amount and the steel bar content of the building, which are influenced by the seismic force, are greatly improved. And because the bottom reinforcement of the floor slab of the composite slab is pre-buried in the precast concrete, when the composite slab is installed and spliced on site, the national standard requires that a post-cast strip is required to be reserved at the splicing part of the two-way slab, and an additional reinforcement and a template sealing plate are required to be configured on the post-cast strip, so that the labor amount of the construction site is increased.

In addition, the other type of floor products are fabricated floor products formed by combining truss steel bars and profiled steel plates, and the fabricated floor products have the advantages that the casting thickness is completely equal to the thickness of a cast-in-place floor, the self weight is low, the profiled steel plates are exposed in a room after casting is completed, ceiling treatment is needed for later-stage decoration, and the decoration cost is also increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a bottom die assembly type building floor exempts from.

The bottom-die-free assembled building floor slab mainly comprises truss steel bars and a bottom plate; wherein a plurality of the truss rebars are disposed on the bottom plate; and, an anti-crack fiber web is provided in the bottom plate.

According to a preferred embodiment of the present invention, the truss reinforcement comprises an upper structural bar, two lower structural bars, and two truss connecting bars; wherein the truss connecting rib is of a wavy structure; the two truss connecting ribs are arranged in an inverted V shape, so that the tops of the two truss connecting ribs are connected to the upper structural rib, and the bottoms of the two truss connecting ribs are anchored to the bottom plate; the two lower structural ribs are respectively arranged on the two truss connecting ribs, so that the upper structural ribs and the two lower structural ribs are in a triangular prism structure; and a gap is formed between each of the two lower structural ribs and the bottom plate.

According to a preferred embodiment of the present invention, the bottom plate is a detachment-free form.

According to a preferred embodiment of the present invention, the bottom plate is a cement-based material thin plate, a metal plate or a synthetic composite material plate.

According to a preferred embodiment of the present invention, the thickness of the bottom plate is 20mm or less.

According to the utility model discloses a preferred embodiment, the thickness of die block building assembled floor is not more than 120 millimeters.

According to a preferred embodiment of the present invention, the anti-crack fiber web is a polyester fiber web, a basalt fiber web, or a steel fiber web.

According to a preferred embodiment of the present invention, there are a plurality of said truss bars; the plurality of truss reinforcing steel bars are uniformly arranged on the bottom plate.

Compared with the prior art, the utility model discloses bottom die assembly type building floor exempts from has following beneficial effect:

the bottom die-free assembled building floor slab provided by the embodiment of the utility model integrates floor slab reinforcing steel bars and a bottom die which is not dismantled, and realizes close joint splicing, thereby reducing the labor cost and shortening the construction period; can realize the industrialized production, and is convenient and fast.

Additionally, the utility model discloses bottom die assembly type building floor prefabricated plate exempts from is thinner, is no longer than 20mm, and the gross thickness is accomplished in the construction and is no longer than 120mm, and the dead weight is lighter than the superimposed sheet, and the prefabricated plate does not belong to some of structural slab, only as the exempts from to tear open the bottom die of floor, during the floor concatenation, can seal the concatenation, need not stay the post-cast strip. Compared with a laminated slab, the structural product has lighter dead weight, so that the concrete amount and the steel bar amount of a building are further reduced, a post-pouring belt is not required to be additionally arranged during splicing, the manufacturing cost is lower, and the work efficiency is higher. Compare in truss reinforcing bar + profiled sheet product, this structure product later stage need not to carry out the furred ceiling and handles. To sum up, the product with the structure can effectively reduce the cost, reduce the labor, improve the work efficiency and is more beneficial to the popularization and the application of the fabricated building.

Additional features of the invention will be set forth in part in the description which follows. Additional features of the invention will be set forth in part in the description which follows and in part will be apparent to those having ordinary skill in the art upon examination of the following and the accompanying drawings or may be learned from the manufacture or operation of the embodiments. The features of the present disclosure may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,

fig. 1 is a schematic three-dimensional structure of a bottom-die-free fabricated building floor according to some embodiments of the present invention;

fig. 2 is a schematic three-dimensional exploded view of a bottom-die-free fabricated building floor according to some embodiments of the present invention;

fig. 3 is a schematic cross-sectional view of a bottom-die-free fabricated building floor according to some embodiments of the present invention;

fig. 4 is a schematic structural view of an anti-crack fiber web in a bottom-die-free fabricated building floor according to some embodiments of the present invention.

List of reference numerals

1-truss reinforcing steel bar

1.1-Upper structural Ribs

1.2-lower structural bars

1.3-truss connection rib

2-base plate

3-anticracking fiber web

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of the present invention and in the accompanying drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like are referred to, their positional or orientational relationships are based on the positional or orientational relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, in the present disclosure, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment of the utility model discloses die block assembly type building floor exempts from.

As shown in fig. 1 to 4, the bottom-die-free fabricated building floor may include truss reinforcements 1 and a bottom plate 2. Wherein a plurality of truss rebars 1 are disposed on a base plate 2.

Illustratively, the truss reinforcement 1 includes an upper structural bar 1.1, two lower structural bars 1.2, and two truss attachment bars 1.3.

Wherein, the truss connecting rib 1.3 is in a wave-shaped structure. Two truss connection muscle 1.3 are the type of falling V and arrange for the top of two truss connection muscle 1.3 is connected on superstructure muscle 1.1, and the bottom anchor of two truss connection muscle 1.3 is on bottom plate 2. The two lower-structure ribs 1.2 are respectively arranged on the two truss connection ribs 1.3, so that the upper-structure rib 1.1 and the two lower-structure ribs 1.2 are in a triangular prism structure. And a gap is formed between the two lower structural ribs 1.2 and the bottom plate 2. In this embodiment, the thickness of the bottom-free building fabricated floor is equal to or less than 120 mm.

In the present embodiment, there are a plurality of truss rebars 1. A plurality of truss rebars 1 are evenly arranged on the bottom plate 2 so that a plurality of lower structural rebars 1.2 form a floor bottom structural rebar flat mesh on the bottom plate 2. The floor bottom structure steel bar flat net can be used as a stress steel bar of the bottom surface of the building floor plate, and a certain gap is reserved between the stress steel bar flat net and a cement-based material thin plate used as the bottom plate 2, so that the stress steel bar of the bottom surface has enough protective layer thickness. It should be noted that the specific shapes and arrangements of the parts in the drawings are for the purpose of illustrating the patent and are not to be construed as limiting the scope of the patent, and all equivalent implementations or modifications that do not depart from the scope of the present application are intended to be included therein.

Illustratively, the base plate 2 is a non-dismantling formwork. The bottom plate 2 may be made of a material having a certain flexural resistance so that it can resist a pressure generated when concrete is cast. For example, the floor panel 2 may be formed from a material panel including a cement-based composite material panel, a metal panel, or a synthetic composite material panel. In this embodiment, the bottom plate 2 is a cement-based material sheet. In the present embodiment, the thickness of the base plate 2 is 20mm or less.

Further, a crack-resistant fiber web 3 is provided in the bottom plate 2. In the embodiment, the anti-crack fiber net 3 is arranged in the cement-based material sheet, so that the cracking of the cement-based material sheet can be effectively prevented. Wherein, the anti-crack fiber net 3 can be made of materials with stronger tensile property. Illustratively, the crack-resistant fiber web 3 may be a polyester fiber web, a basalt fiber web, or a steel fiber web. It should be noted that the materials used for the above-mentioned anti-crack fiber web 3 are only exemplary, and all equivalent implementations or modifications without departing from the present invention are intended to be included in the scope of the present patent.

The utility model discloses exempt from die block assembly type building floor is in the in-service use, will the utility model discloses an exempt from die block assembly type building floor transports on-the-spot to hoist according to the designing requirement and take one's place the back, according to the additional floor substructure reinforcing bar of designing requirement, floor superstructure muscle and support additional reinforcement etc. toward cement base sheet metal face concreting, make truss reinforcing bar and on-the-spot additional reinforcement wrap up completely within cast in situ concrete, the floor shaping.

Additionally, the utility model discloses exempt from die block assembled building floor prefabricated plate is thinner, does not exceed 20mm, and the total thickness is accomplished in the construction and does not exceed 120mm, and the dead weight is lighter than the superimposed sheet, and the prefabricated plate does not belong to a part of structural slab, only regards as the exempting from to tear open the die block of floor, during the floor concatenation, can seal the concatenation, need not stay the post-cast strip. Compared with a laminated slab, the structural product has lighter dead weight, so that the concrete amount and the steel bar amount of a building are further reduced, a post-pouring belt is not required to be additionally arranged during splicing, the manufacturing cost is lower, and the work efficiency is higher. Compare in truss reinforcing bar + profiled sheet product, this structure product later stage need not to carry out the furred ceiling and handles. To sum up, the product of this structure can effectively reduce cost, reduces the manual work, improves the work efficiency, more does benefit to the popularization and application of assembled building.

It should be noted that all features disclosed in this specification, or all steps of a method or process so disclosed, may be combined in any combination, except features and/or steps that are mutually exclusive.

In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and its drawings are illustrative and not restrictive on the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The bottom die-free assembled building floor is characterized by comprising truss steel bars (1) and a bottom plate (2);

the truss reinforcing steel bars (1) are arranged on the bottom plate (2); and in that a crack-resistant fibre web (3) is arranged in the bottom plate (2);

the truss steel bars (1) comprise upper structural bars (1.1), two lower structural bars (1.2) and two truss connecting bars (1.3);

wherein the truss connecting rib (1.3) is of a wavy structure;

the two truss connecting ribs (1.3) are arranged in an inverted V shape, so that the tops of the two truss connecting ribs (1.3) are connected to the upper structural rib (1.1), and the bottoms of the two truss connecting ribs (1.3) are anchored to the bottom plate (2);

the two lower structural ribs (1.2) are respectively arranged on the two truss connecting ribs (1.3), so that the upper structural ribs (1.1) and the two lower structural ribs (1.2) are in a triangular prism structure;

and gaps are formed between the two lower structural ribs (1.2) and the bottom plate (2).

2. The bottom-die-free fabricated building floor slab as claimed in claim 1, wherein the bottom plate (2) is a removal-free form.

3. The bottom-die-free fabricated building floor according to claim 2, wherein the bottom plate (2) is a cement-based material sheet, a metal plate, or a synthetic composite material plate.

4. The bottom-die-free fabricated building floor slab according to claim 1, wherein the thickness of the bottom plate (2) is less than or equal to 20 mm.

5. The bottom-die-free fabricated building floor of claim 4, wherein the thickness of the bottom-die-free fabricated building floor is less than or equal to 120 mm.

6. The bottom-die-free fabricated building floor according to claim 1, wherein the anti-crack fiber mesh (3) is a polyester fiber mesh, a basalt fiber mesh, or a steel fiber mesh.

7. The bottom-die-free fabricated building floor according to claim 1, wherein there are a plurality of the truss rebars (1);

the plurality of truss reinforcing steel bars (1) are uniformly arranged on the bottom plate (2).