CN214461403U

CN214461403U - Light heat-insulating concrete precast slab

Info

Publication number: CN214461403U
Application number: CN202022724418.0U
Authority: CN
Inventors: 邹莹剑; 杨龙; 杨祥瑞; 周明皓; 姚丽; 严力; 刘永强; 李�昊; 安宏君; 杨进
Original assignee: Chengdu Chengtou Yuanda Building Technology Co ltd
Current assignee: Chengdu Chengtou Yuanda Building Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-10-22
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a light heat-insulating concrete precast slab in the technical field of building walls, which comprises a glass fiber mesh layer, wherein the lower wall surface of the glass fiber mesh layer is provided with a heat-insulating layer structure, the lower wall surface of the heat-insulating layer structure is provided with a supporting framework structure, and the lower wall surface of the supporting framework structure is provided with a sealing groove structure; the heat preservation layer structure includes: a mortar layer, a foam layer and a foam concrete layer; the mortar layer is installed between glass fiber net cloth layer and foam concrete layer, and the foam layer is installed at the internal face on mortar layer, and the foam concrete layer is installed at the lower wall on mortar layer. The utility model discloses in, carry out the size through the design requirement, then through the concatenation protruding along with the concatenation concave along with two the utility model discloses splice, great reduction construction cycle, can also guarantee light, heat preservation, syllable-dividing performance simultaneously, increase the intensity of prefabricated plate, strengthen the energy-absorbing effect of prefabricated panel, improve structural component's anti-seismic performance.

Description

Light heat-insulating concrete precast slab

Technical Field

The utility model relates to a building wall technical field specifically is a light heat preservation concrete prefabricated plate.

Background

The light concrete is also named as foam concrete, and is a novel light heat-insulating material containing a large number of closed air holes, which is formed by fully foaming a foaming agent in a mechanical mode through a foaming system of a foaming machine, uniformly mixing the foam with cement slurry, then carrying out cast-in-place construction or mould forming through a pumping system of the foaming machine and carrying out natural curing. It belongs to a bubble-shaped heat-insulating material and is characterized in that closed foam holes are formed in concrete, so that the concrete is lightened and heat-insulating; the air-entrapping concrete is also a special variety in the air-entrapping concrete, the pore structure and the material performance of the air-entrapping concrete are close to those of the air-entrapping concrete, and the difference between the pore structure and the material performance is only the difference between the pore shape and the air-entrapping means. The air holes of the aerated concrete are generally oval, and the foam concrete is deformed to form a polyhedron under the influence of capillary hole action.

However, the existing building structure reinforcing method mostly adopts a section enlarging method or a replacement concrete reinforcing method, and both methods use concrete for casting, so that the wet operation time of field construction is longer, a longer maintenance period is needed, and the requirement of short total construction period cannot be met. Accordingly, those skilled in the art have provided a lightweight concrete precast slab to solve the problems suggested in the background art as described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light heat preservation concrete precast slab to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a light heat-preservation concrete precast slab comprises a glass fiber mesh cloth layer, wherein a heat-preservation layer structure is arranged on the lower wall surface of the glass fiber mesh cloth layer, a supporting framework structure is arranged on the lower wall surface of the heat-preservation layer structure, and a sealing groove structure is arranged on the lower wall surface of the supporting framework structure; the heat preservation layer structure comprises: a mortar layer, a foam layer and a foam concrete layer; the mortar layer is respectively installed between the glass fiber net cloth layer and the foam concrete layer, the foam layer is installed on the inner wall surface of the mortar layer, and the foam concrete layer is installed on the lower wall surface of the mortar layer.

As a further aspect of the present invention: the support skeleton structure includes: the longitudinal connecting rods, the transverse connecting rods and the triangular reinforcing steel bars; the longitudinal connecting rods are arranged on the inner wall surface of the foam concrete layer, the longitudinal connecting rods are respectively arranged on the upper wall surface and the lower wall surface of the two layers of transverse connecting rods, and the triangular reinforcing steel bars are arranged on the outer wall surfaces of the two layers of transverse connecting rods.

As a further aspect of the present invention: the seal groove structure includes: the supporting plate, the sealing groove and the connecting hole are arranged; the supporting plate is arranged on the upper wall surface and the lower wall surface of the two layers of foam concrete layers, the sealing groove is arranged on the outer wall surface of the supporting plate, and the connecting holes are arranged inside the supporting plate.

As a further aspect of the present invention: and the left wall surface of the glass fiber net cloth layer is provided with a splicing convex edge.

As a further aspect of the present invention: and the right wall surface of the glass fiber net cloth layer is provided with a splicing concave edge.

As a further aspect of the present invention: the overall dimension of the supporting plate is smaller than that of the foam concrete layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, carry out the size through the design requirement, then through the protruding edge of concatenation with the concave edge of concatenation with two the utility model discloses splice, the reinforcing method who has solved current building structure adopts mostly to increase the cross-section method or replace the concrete reinforcement method, because these two kinds of methods all use the concrete to pour, the wet activity duration that leads to the site operation is longer, and needs longer maintenance cycle, can not satisfy the problem of the short requirement of total construction cycle, has reduced the wet activity duration of site operation, great reduction the maintenance cycle.

2. The utility model discloses in, through heat preservation structure and supporting framework structure, can realize the factory production and prefabricated, transport the job site and directly splice the assembly, great reduction construction cycle, can also guarantee light, heat preservation, syllable-dividing performance simultaneously, increase the intensity of prefabricated plate, the energy-absorbing effect of reinforcing prefabricated panel improves structural component's anti-seismic performance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the middle front view of the present invention;

FIG. 3 is a schematic cross-sectional view of the left side of the present invention;

fig. 4 is a schematic structural diagram of the middle supporting framework structure of the present invention.

In the figure: 1. a fiberglass scrim layer; 2. a mortar layer; 3. a foam layer; 4. a foamed concrete layer; 5. a longitudinal connecting rod; 6. a transverse connecting rod; 7. triangular reinforcing steel bars; 8. a support plate; 9. a sealing groove; 10. connecting holes; 11. splicing the convex edges; 12. and splicing the concave edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a lightweight thermal insulation concrete precast slab includes a glass fiber mesh layer 1, a thermal insulation layer structure is installed on a lower wall surface of the glass fiber mesh layer 1, a supporting framework structure is installed on a lower wall surface of the thermal insulation layer structure, and a sealing groove structure is installed on a lower wall surface of the supporting framework structure; the heat preservation layer structure includes: a mortar layer 2, a foam layer 3 and a foam concrete layer 4; mortar layer 2 installs between glass fiber net cloth layer 1 and foam concrete layer 4, and foam layer 3 installs the internal face at mortar layer 2, and foam concrete layer 4 installs the lower wall at mortar layer 2.

Wherein, support skeleton texture includes: the longitudinal connecting rods 5, the transverse connecting rods 6 and the triangular steel bars 7; a plurality of longitudinal tie 5 is installed at the internal face of foam concrete layer 4, and a plurality of longitudinal tie 5 is installed respectively at the upper and lower wall face of two-layer transverse tie 6, and a plurality of triangle reinforcing bar 7 is installed and is included at the outer wall seal groove structure of two-layer transverse tie 6: a support plate 8, a seal groove 9, and a connection hole 10; the backup pad 8 is installed at the upper and lower wall face of two-layer foam concrete layer 4, and the outer wall face at backup pad 8 is installed to seal groove 9, and the inside at backup pad 8 is installed to a plurality of connecting hole 10. The left wall surface of the glass fiber net cloth layer 1 is provided with a splicing convex edge 11. The right wall surface of the glass fiber net cloth layer 1 is provided with a splicing concave edge 12. The outer dimensions of the supporting plate 8 are smaller than those of the foamed concrete layer 4.

The utility model discloses a theory of operation is: when the utility model is used, the operation process is very simple, firstly, a worker welds the triangular steel bars 7 and the three transverse connecting rods 6 in a plurality of supporting framework structures according to the design requirements, then welds a plurality of longitudinal connecting rods 5 and a plurality of welding parts consisting of the triangular steel bars 7 and the transverse connecting rods 6, then installs the supporting plate 8 at the outer side of the welding part consisting of the longitudinal connecting rods 5, the transverse connecting rods 6 and the triangular steel bars 7, and then lays the foam concrete layer 4 in the heat preservation structure, the mortar layer 2 containing the foam layer 3 and the glass fiber net cloth layer 1 on the upper and lower wall surfaces of the supporting plate 8 in sequence, wherein, the strength of the prefabricated plate can be increased through the supporting framework structures consisting of the longitudinal connecting rods 5, the transverse connecting rods 6 and the triangular steel bars 7, the energy absorption effect of the prefabricated plate is enhanced, and the anti-seismic performance of the structural component is improved, the connecting holes arranged on the supporting plate 8 can strengthen the splicing strength and the anti-seismic performance after construction when two of the utility model are spliced, and the quality of the utility model can be reduced through the heat preservation layer structure consisting of the foam concrete layer 4 and the mortar layer 2 containing the foam layer 3, and the heat preservation and sound insulation performance can be ensured at the same time; then with a plurality of the utility model discloses transport the job site, through the protruding edge 11 of concatenation with the concave edge 12 of concatenation preliminary concatenation, rethread seal groove 9 carries out more abundant concatenation and fixes, has reduced the wet activity duration of site operation, great reduction the maintenance cycle.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lightweight heat-insulating concrete precast slab comprises a glass fiber mesh layer (1), and is characterized in that a heat-insulating layer structure is arranged on the lower wall surface of the glass fiber mesh layer (1), a supporting framework structure is arranged on the lower wall surface of the heat-insulating layer structure, and a sealing groove structure is arranged on the lower wall surface of the supporting framework structure;

the heat preservation layer structure comprises: a mortar layer (2), a foam layer (3) and a foam concrete layer (4);

the mortar layer (2) is arranged between the glass fiber net cloth layer (1) and the foam concrete layer (4), the foam layer (3) is arranged on the inner wall surface of the mortar layer (2), and the foam concrete layer (4) is arranged on the lower wall surface of the mortar layer (2).

2. A lightweight insulating concrete slab as claimed in claim 1, wherein said supporting skeleton structure includes: the longitudinal connecting rods (5), the transverse connecting rods (6) and the triangular reinforcing steel bars (7);

the longitudinal connecting rods (5) are arranged on the inner wall surface of the foam concrete layer (4), the longitudinal connecting rods (5) are arranged on the upper wall surface and the lower wall surface of the two layers of transverse connecting rods (6) respectively, and the triangular reinforcing steel bars (7) are arranged on the outer wall surface of the two layers of transverse connecting rods (6).

3. The lightweight thermal insulating concrete precast slab according to claim 1, wherein the sealed groove structure comprises: the support plate (8), the sealing groove (9) and the connecting hole (10);

the supporting plate (8) is arranged on the upper wall surface and the lower wall surface of the two layers of foam concrete layers (4), the sealing groove (9) is arranged on the outer wall surface of the supporting plate (8), and the connecting holes (10) are arranged inside the supporting plate (8).

4. The lightweight thermal insulation concrete precast slab as recited in claim 1, characterized in that the left wall surface of the fiberglass mesh layer (1) is provided with a splicing convex edge (11).

5. The lightweight thermal insulation concrete precast slab as recited in claim 1, characterized in that the right wall surface of the fiberglass mesh layer (1) is provided with a splicing concave edge (12).

6. A lightweight insulating concrete panel according to claim 3, characterised in that the outer dimensions of the supporting plate (8) are smaller than the outer dimensions of the foamed concrete layer (4).