CN219386814U - Assembled integral hollow floor slab - Google Patents

Abstract

The utility model provides an assembled integral hollow floor slab, and relates to the field of building structures. The cast-in-place upper flange plate is cast on the rib beams and the fillers. The concrete precast slab of the whole floor slab can be finished according to the structural construction drawing, the installation of the concrete precast slab of the whole floor slab is finished on site according to the construction drawing, and after hollow fillers are uniformly placed on the concrete precast slab at intervals, pouring is carried out on site. Floor slab splicing is not needed any more, the number of templates and scaffolds thereof can be reduced at the floor slab splicing position, the dead weight is lighter, the sound insulation and other performances are better, the comfort of floor slab use is improved, the appearance is smooth and elegant, and the pipeline arrangement is convenient.

Description

Assembled integral hollow floor slab

Technical Field

The utility model relates to the field of building structures, in particular to an assembled integral hollow floor slab.

Background

In the GB/T51231-2016 of the current national standard 'fabricated concrete construction technical standard' and the JGJ 1-2014 of the current industry standard 'concrete structure technical specification', the floor slab is usually an assembled integral floor slab formed by casting concrete on a precast concrete slab, so that the purposes of saving scaffolds, reducing concrete casting, canceling concrete templates and accelerating construction speed are achieved.

The patent with application number of CN202010494765.0 discloses an assembled large-span steel bar net rack hollow floor slab structure, but the technology disclosed by the patent has the following defects: the floor needs to be spliced on site before pouring, and the number of templates and scaffolds at the spliced position is large.

Disclosure of Invention

The utility model aims to provide an assembled integral hollow floor slab, which can finish a concrete precast slab of a whole floor slab according to a structural construction drawing, finish the installation of the concrete precast slab of the whole floor slab on site according to the construction drawing, and perform casting on site after hollow fillers are uniformly placed on the concrete precast slab at intervals. The floor slab is not required to be spliced again before pouring in the field, the number of templates and scaffolds at the spliced part of the floor slab is reduced, the hollow position of the filler is convenient for pipeline arrangement, the self weight is lighter, and the performances such as sound insulation are better.

Embodiments of the present utility model are implemented as follows:

the embodiment of the application provides an assembled integral hollow floor slab, which comprises a prefabricated lower flange plate, a plurality of rib beams, a cast-in-situ upper flange plate and a plurality of fillers, wherein the fillers are uniformly arranged at intervals under the prefabrication

And pouring gaps are formed between adjacent fillers on the flange plates, the rib beams are poured in the pouring gaps, and the cast-in-place 5 upper flange plates are poured on the rib beams and the fillers.

In some embodiments of the utility model, a concrete layer is disposed between the filler and the prefabricated lower flange plate.

In some embodiments of the utility model, the cast-in-place rib beam and the cast-in-place upper flange plate are integrally formed.

0 in some embodiments of the utility model, the filler is a hollow sound insulating material structure.

In some embodiments of the present utility model, the cross section of the filler is quadrilateral, and four corners of the filler are arc structures.

In some embodiments of the present utility model, the cast-in-situ upper flange plate and the cast-in-situ rib beam are provided with reinforcing layers.

In some embodiments of the present utility model, crisscrossed steel bars are disposed in the reinforcing layer.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the integral hollow floor slab assembled by the utility model can finish the concrete precast slab according to the structural construction drawing, the installation of the concrete precast slab is finished on site according to the construction drawing, hollow fillers are uniformly placed on the concrete precast slab at intervals of 0, and after the steel bars are bound, the concrete precast slab is poured on site. The floor slab splicing part can save the number of templates and scaffolds, reduce the amount of on-site concrete pouring engineering, have lighter dead weight, have better performances of heat preservation, heat insulation, sound insulation and the like, improve the comfort of floor slab use, have smooth and elegant appearance and facilitate pipeline arrangement. The on-site concrete pouring engineering quantity is reduced, the dead weight is lighter, the floor clearance is increased, and the engineering cost can be saved. The middle filler has better heat preservation, heat insulation, sound insulation and other performances, can improve the comfort of the floor system, and has smooth and elegant appearance without exposing the filler. The filler is of a hollow structure, so that the pipeline arrangement is convenient. The self weight of the assembled integral hollow floor slab is relatively light, and the use amount of the reinforced steel bars and the concrete is reduced, so that the cost is reduced. And the span is larger, and the method is suitable for large-span and large-space buildings. The beam is not required to be arranged, so that the building is attractive and the building layer height can be reduced. The construction speed is high, and the period is shortened. The hollow structure also enables pipelines to be arranged more conveniently, and has better anti-seismic performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional view of an assembled monolithic hollow floor slab in accordance with an embodiment of the present utility model.

Icon: 1-cast-in-situ upper flange plate; 2-filling; 3-prefabricating a lower flange plate; 4-rib beams; 5-reinforcing steel bars; 6-concrete layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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.

Examples

Referring to fig. 1, fig. 1 is a cross-sectional view of an assembled integral hollow floor slab, and this embodiment provides an assembled integral hollow floor slab, which includes a prefabricated lower flange plate 3, a plurality of rib beams 4, a cast-in-situ upper flange plate 1 and a plurality of fillers 2, wherein the plurality of fillers 2 are uniformly arranged on the prefabricated lower flange plate 3 at intervals, a casting gap is formed between adjacent fillers 2, the rib beams 4 are cast in the casting gap, and the cast-in-situ upper flange plate 1 is cast on the rib beams 4 and the fillers 2.

In the present embodiment, the prefabricated lower flange plate 3 is completed in a factory on site according to the structural work drawing. And transporting the prefabricated lower flange plate 3 to a construction site for storage. During construction, the prefabricated lower flange plates 3 are installed on site according to a construction drawing, fillers 2 are evenly placed on the concrete prefabricated plates at intervals, and rib beams 4 are poured among gaps of the fillers 2. And after the pouring of the rib beam 4 is completed, pouring the cast-in-situ upper flange plate 1 on the rib beam 4 and the filler 2. Compared with the traditional hollow floor slab, the assembled integral hollow floor slab can save the number of templates and scaffolds at the joint of the floor slab, reduce the on-site concrete pouring engineering quantity, has lighter dead weight and other performances, and can be used for arranging pipelines in the hollow of the filler 2.

Referring to fig. 1, in some implementations of the present example, a concrete layer 6 is provided between the filler 2 and the prefabricated lower flange plate 3. Before pouring, a layer of concrete layer 6 is arranged on the surface of the prefabricated lower flange plate 3, the filler 2 is placed on the concrete, the filler 2 is stuck by using the viscosity of the concrete, and the measure can prevent the filler 2 from floating upwards and horizontally displacing in the construction pouring process.

Referring to fig. 1, in some implementations of the present embodiment, the cast-in-place rib beam 4 and the cast-in-place upper flange plate 1 are integrally formed.

The rib beam 4 and the cast-in-situ upper flange plate 1 are integrally formed, so that the manufacturing time is saved. The rib beam 4 and the cast-in-situ upper flange plate 1 which are integrally formed can increase the quality and the hardness of the floor slab.

Referring to fig. 1, in some implementations of the present embodiment, the filler 2 is a hollow sound insulation material structure.

In this embodiment, the filling 2 is provided with a sound-proof felt in its hollow structure, the sound-proof felt has high density and strong internal damping performance, and is not easy to vibrate, thereby reducing the propagation of sound. The soundproof felt is disposed in the hollow structure of the filler 2, thereby making the filler 2 have a soundproof effect.

Referring to fig. 1, in some implementations of the present embodiment, the cross section of the filler 2 is quadrilateral, and four corners of the filler 2 have a circular arc structure.

The cross section of the filler 2 is quadrilateral, and four corners of the filler 2 are arc structures, so that the pouring volume of the rib beam 4 is increased, and the rib beam 4 is more stable in structure.

Referring to fig. 1, in some implementations of the present embodiment, reinforcement layers are provided in the cast-in-place upper flange plate 1 and the cast-in-place rib beam 4.

Reinforcing layers are arranged in the cast-in-place upper flange plate 1 and the cast-in-place rib beam 4 so as to reinforce the floor slab. In order to prevent extreme weather, earthquake and other natural disasters, the reinforcing layer can enable the floor slab to be stronger.

Referring to fig. 1, in some implementations of the present embodiment, crisscrossed steel bars 5 are disposed in the reinforcing layer.

The reinforcing layer is a steel bar 5 woven by criss-cross, and the tensile resistance and the shock resistance of the floor slab are obviously enhanced. The floor slab is reinforced by using the steel bars 5, the steel bars 5 and the floor slab form a whole and bear force together, so that the tensile resistance of the floor slab can be increased, and the defect of poor tensile and bending resistance of concrete is overcome.

When the prefabricated lower flange plate 3 is used, the manufacturing of the prefabricated lower flange plate 3 is finished in a factory in advance according to a site structure construction drawing. And then the prefabricated lower flange plate 3 is transported to a construction site to be stored. And during construction, the installation of the prefabricated lower flange plate 3 is finished on site according to the construction drawing. And setting a template and a scaffold below the concrete precast slab. And a layer of concrete layer 6 is arranged on the concrete precast slab, and the fillers 2 are uniformly placed on the concrete layer 6 at intervals so as to prevent the floating and horizontal displacement generated by the fillers 2 in the construction pouring process. After all the fillers 2 are placed, binding reinforcing steel bars 5 to strengthen the layers and checking to be qualified. And pouring the rib beams 4 between the gaps of the fillers 2, and pouring the cast-in-place upper flange plate 1 on the rib beams 4 and the fillers 2 after the pouring of the rib beams 4 is completed. And removing the template and the scaffold after the concrete age meets the requirement. The assembled integral hollow floor slab has the advantages of being assembled integral solid floor slabs, saving the number of templates and scaffolds at the joint of the floor slabs, reducing the on-site concrete pouring engineering quantity, having lighter dead weight, increasing floor clearance, saving engineering cost and simultaneously having better anti-seismic performance. The middle filler 2 has better heat preservation, heat insulation, sound insulation and other performances, can improve the comfort of the floor system, and has smooth and elegant appearance without exposing the filler. The filler 2 is of a hollow structure, so that the pipeline arrangement is convenient. The self weight of the assembled integral hollow floor slab is relatively light, and the use amount of the steel bars 5 and the concrete is reduced, so that the cost is reduced. And the span is larger, and the method is suitable for large-span and large-space buildings. The beam can be omitted, so that the ceiling is attractive, the suspended ceiling is reduced, and the building floor height can be reduced. The construction speed is high, the templates are saved, the period is shortened, and the pipeline layout is more convenient.

In summary, the embodiment of the utility model provides an assembled integral hollow floor slab, which can finish a concrete precast slab according to a structural construction drawing, finish the installation of the concrete precast slab on site according to the construction drawing, uniformly and alternately place hollow fillers 2 on the concrete precast slab, and then perform casting on site after binding reinforcing steel bars 5. The template and the number of scaffolds are saved at the joint of the floor slabs, the on-site concrete pouring engineering quantity is reduced, the dead weight is lighter, the performances of heat preservation, heat insulation, sound insulation and the like are better, the comfort of using the floor system is improved, the appearance is smooth and elegant, and the pipeline arrangement is convenient. The number of templates and scaffolds is saved, the on-site concrete pouring engineering quantity is reduced, the dead weight is lighter, the floor clearance is increased, and the engineering cost is saved. The middle filler 2 has better heat preservation, heat insulation, sound insulation and other performances. The self weight of the assembled integral hollow floor slab is relatively light, and the use amount of the steel bars 5 and the concrete is reduced, so that the cost is reduced. And the span is larger, and the method is suitable for large-span and large-space buildings. The beam can be omitted, so that the ceiling is attractive, the suspended ceiling is reduced, and the building floor height can be reduced. The construction speed is high, templates are saved, and the period is shortened. And the pipeline is more convenient to arrange, and the pipeline has better anti-seismic performance. The comfort of the floor system can be improved, the filling body is not exposed, and the appearance is smooth and elegant. The filler 2 is of a hollow structure, so that the pipeline arrangement is convenient. The inside of the assembled integral hollow floor slab forms a closed cavity structure, improves the heat insulation, heat preservation and sound insulation performance to a certain extent, can reduce the energy consumption of certain air conditioners and the like, and has lower comprehensive cost. The assembled monolithic hollow floor slab can reduce site labor requirements and can span a longer open space to improve design flexibility. The continuous internal void increases structural stability, reduces weight and therefore reduces cost.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The assembled integral hollow floor slab is characterized by comprising a prefabricated lower flange plate, a plurality of cast-in-situ rib beams, a cast-in-situ upper flange plate and a plurality of fillers, wherein the fillers are uniformly arranged on the prefabricated lower flange plate at intervals, casting gaps are formed between adjacent fillers, the cast-in-situ rib beams are cast in the casting gaps, and the cast-in-situ upper flange plates are cast on the cast-in-situ rib beams and the fillers.

2. An assembled monolithic hollow floor slab as claimed in claim 1, wherein a concrete layer is provided between the filler and the prefabricated lower flange plate.

3. An assembled monolithic hollow floor slab as claimed in claim 1, wherein the cast-in-place rib beam and the cast-in-place upper flange plate are integrally formed.

4. An assembled monolithic hollow floor slab according to claim 1, wherein the filler is a hollow sound insulating material structure.

5. An assembled monolithic hollow floor slab according to claim 1, wherein the cross section of the filler is quadrilateral, and the four corners of the filler are arc structures.

6. An assembled monolithic hollow floor slab as claimed in claim 1, wherein the cast-in-place upper flange plate and the cast-in-place rib beam are internally provided with reinforcing layers.

7. An assembled monolithic hollow floor slab according to claim 6, wherein crisscrossed steel bars are provided in the reinforcing layer.