阅读说明：本技术 预制叠合保温墙体和剪力墙 (Prefabricated superimposed thermal insulation wall and shear wall ) 是由 金曈 王平山 李进军 纵斌 吴学淑 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种预制叠合保温墙体和剪力墙,所述预制叠合保温墙体采用泡沫混凝土为保温材料,墙板可在现场进行一体化浇筑,减少了保温连接件造成的冷热桥效应,所述预制叠合保温墙体保温效果好。而且泡沫混凝土价格便宜,墙板在现场一体化浇筑,不需要通过保温连接件连接结构和保温材料,节省了保温连接件的费用有效降低了成本。且泡沫混凝土在制备过程中几乎没有有害物质产生,实现了节能环保的目标。(The invention discloses a prefabricated superposed thermal insulation wall and a shear wall, wherein foam concrete is adopted as a thermal insulation material, a wallboard can be integrally cast on site, the cold and hot bridge effect caused by a thermal insulation connecting piece is reduced, and the prefabricated superposed thermal insulation wall has a good thermal insulation effect. And the foam concrete is low in price, the wallboard is integrally cast on site, and a heat-insulation connecting piece connecting structure and a heat-insulation material are not needed, so that the cost of the heat-insulation connecting piece is saved, and the cost is effectively reduced. And almost no harmful substances are generated in the preparation process of the foam concrete, so that the aims of energy conservation and environmental protection are fulfilled.)

1. A prefabricated superposed thermal insulation wall is characterized by comprising an outer leaf prefabricated concrete plate, an inner leaf prefabricated concrete plate, a foam concrete thermal insulation layer and a pre-buried connecting piece;

the foam concrete heat-insulating layer is arranged between the outer leaf precast concrete plate and the inner leaf precast concrete plate, the outer leaf precast concrete plate, the inner leaf precast concrete plate and the foam concrete heat-insulating layer are connected through the embedded connecting piece, and the embedded connecting piece is embedded in the prefabricated superposed heat-insulating wall body.

2. The prefabricated laminated thermal wall of claim 1, wherein said outer precast concrete slab has a thickness of 50 mm.

3. The prefabricated laminated thermal wall of claim 1, wherein said prefabricated concrete slab of said inner leaf has a thickness of 50 mm.

4. The prefabricated laminated insulating wall of claim 1, wherein said foam concrete insulating layer has a thickness of 100 mm.

5. The prefabricated laminated insulating wall of claim 1, wherein said prefabricated connectors comprise truss rebar.

6. The prefabricated laminated thermal insulation wall of claim 5, wherein said truss reinforcement includes upper chord reinforcement, lower chord reinforcement and tie bars;

the upper chord steel bar is connected with the lower chord steel bar through the connecting rib, the upper chord steel bar is embedded in the outer leaf precast concrete plate, and the lower chord steel bar is embedded in the inner leaf precast concrete plate.

7. The prefabricated laminated thermal insulation wall of claim 6, wherein the number of the upper chord steel bars, the lower chord steel bars and the connecting ribs is plural.

8. The prefabricated laminated thermal wall of claim 5, wherein said truss reinforcement is provided in a plurality.

9. The prefabricated composite thermal insulation wall body according to any one of claims 1 to 8, wherein a through hole is formed in the prefabricated composite thermal insulation wall body, and the through hole penetrates through the outer precast concrete slab, the inner precast concrete slab and the foam concrete thermal insulation layer.

10. A shear wall, characterised by the use of a prefabricated laminated thermal wall according to any one of claims 1 to 8.

Technical Field

The invention relates to the field of buildings, in particular to a prefabricated superposed thermal insulation wall and a shear wall.

Background

At present, most of heat insulation walls of daily buildings adopt an external wall external heat insulation form and an internal heat insulation form, and the external wall external heat insulation form is gradually eliminated by the market due to the problems of durability falling off, heat insulation without flame retardance, incapability of meeting the heat insulation requirement of node buildings and the like; the internal heat insulation form occupies the indoor use space, so that the possibility of transformation and chiseling by an owner exists, and the overall heat insulation performance of the building is influenced. Therefore, the development of integrated thermal insulation walls will gradually become a market trend. At present, precast concrete sandwich heat preservation in the domestic market mostly adopts heat preservation connecting pieces to connect a heat preservation layer, a base layer, a veneer layer and the like, and has the problems of high cost, serious cold and hot bridge phenomenon and the like.

Therefore, how to provide a thermal insulation wall with low cost and no cold and hot bridge phenomenon is a problem to be solved in the field.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a prefabricated superposed thermal insulation wall and a shear wall, which are used for solving the problems of high cost, serious cold and hot bridge phenomena and the like of the thermal insulation wall in the prior art.

In order to solve the technical problem, the invention provides a prefabricated superposed thermal insulation wall which comprises an outer leaf precast concrete plate, an inner leaf precast concrete plate, a foam concrete thermal insulation layer and a pre-buried connecting piece;

the foam concrete heat-insulating layer is arranged between the outer leaf precast concrete plate and the inner leaf precast concrete plate, the outer leaf precast concrete plate, the inner leaf precast concrete plate and the foam concrete heat-insulating layer are connected through the embedded connecting piece, and the embedded connecting piece is embedded in the prefabricated superposed heat-insulating wall body.

Optionally, the thickness of the outer leaf precast concrete plate is 50 mm.

Optionally, the thickness of the prefabricated concrete slab of the inner leaf is 50 mm.

Optionally, the thickness of the foam concrete heat-insulating layer is 100 mm.

Optionally, the prefabricated connecting members comprise truss rebars.

Optionally, the truss reinforcing steel bars comprise upper chord reinforcing steel bars, lower chord reinforcing steel bars and connecting ribs;

the upper chord steel bar is connected with the lower chord steel bar through the connecting rib, the upper chord steel bar is embedded in the outer leaf precast concrete plate, and the lower chord steel bar is embedded in the inner leaf precast concrete plate.

Optionally, the number of the upper chord steel bar, the lower chord steel bar and the connecting bar is multiple.

Optionally, the number of the truss reinforcing steel bars is multiple.

Optionally, a through hole is formed in the prefabricated laminated thermal insulation wall body, and the through hole penetrates through the outer leaf precast concrete plate, the inner leaf precast concrete plate and the foam concrete thermal insulation layer.

Based on the same inventive concept, the invention also provides a shear wall, which utilizes the prefabricated laminated thermal insulation wall body in any one of the above characteristic descriptions.

Compared with the prior art, the invention has the following beneficial effects:

1. the prefabricated superposed thermal insulation wall body adopts foam concrete as a thermal insulation material, and the wallboard can be integrally cast on site, so that the cold and hot bridge effect caused by a thermal insulation connecting piece is reduced, and the prefabricated superposed thermal insulation wall body has a good thermal insulation effect. And the foam concrete is low in price, the wallboard is integrally cast on site, and a heat-insulation connecting piece connecting structure and a heat-insulation material are not needed, so that the cost of the heat-insulation connecting piece is saved, and the cost is effectively reduced. And almost no harmful substances are generated in the preparation process of the foam concrete, so that the aims of energy conservation and environmental protection are fulfilled.

2. Prefabricated coincide thermal insulation wall body four sides need not to reserve the expenditure reinforcing bar, and mould reuse rate is high, can accomplish through the automated production assembly line in the mill, and the transportation is convenient, has novel building industrialization characteristics. The foam heat-insulating concrete has no requirement on a construction site, can be poured in any place, and is simple to operate.

The invention also provides a shear wall, which belongs to the same inventive concept with the prefabricated superposed thermal insulation wall body, so that the shear wall has the same beneficial effects, and the repeated description is omitted.

Drawings

FIG. 1 is a schematic structural cross-sectional view of a prefabricated laminated thermal insulation wall according to an embodiment of the present application;

FIG. 2 is a schematic view of a first shear wall according to an embodiment of the present application;

FIG. 3 is a schematic view of a second shear wall according to an embodiment of the present application;

FIG. 4 is a schematic view of a third shear wall according to an embodiment of the present application;

10-outer lobe precast concrete plate, 20-inner lobe precast concrete plate, 30-foam concrete heat preservation layer and 40 pre-buried connecting piece

Detailed Description

The following describes in more detail embodiments of the present invention with reference to the schematic drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1, the present invention provides a prefabricated laminated thermal insulation wall, which includes an outer prefabricated concrete slab 10, an inner prefabricated concrete slab 20, a foam concrete thermal insulation layer 30 and a pre-buried connector 40. The foam concrete heat-insulating layer 30 is arranged between the outer prefabricated concrete slab 10 and the inner prefabricated concrete slab 20, the outer prefabricated concrete slab 10, the inner prefabricated concrete slab 20 and the foam concrete heat-insulating layer 30 are connected through the embedded connecting pieces 40, and the embedded connecting pieces 40 are embedded in the prefabricated superposed heat-insulating wall.

Compared with the prior art, the prefabricated superposed thermal insulation wall body adopts foam concrete as a thermal insulation material, the wallboard can be integrally cast on site, the cold and hot bridge effect caused by a thermal insulation connecting piece is reduced, and the prefabricated superposed thermal insulation wall body has a good thermal insulation effect. And the foam concrete is low in price, the wallboard is integrally cast on site, and a heat-insulation connecting piece connecting structure and a heat-insulation material are not needed, so that the cost of the heat-insulation connecting piece is saved, and the cost is effectively reduced. And almost no harmful substances are generated in the preparation process of the foam concrete, so that the aims of energy conservation and environmental protection are fulfilled. Prefabricated coincide thermal insulation wall body four sides need not to reserve the expenditure reinforcing bar, and mould reuse rate is high, can accomplish through the automated production assembly line in the mill, and the transportation is convenient, has novel building industrialization characteristics. The foam heat-insulating concrete has no requirement on a construction site, can be poured in any place, and is simple to operate.

In the embodiment of the present invention, the thickness of the outer precast concrete panel 10 is preferably 50mm, the thickness of the inner precast concrete panel 20 is preferably 50mm, and the thickness of the foam concrete heat insulation layer 30 is preferably 100 mm. It will be understood by those skilled in the art that in other embodiments, the outer precast concrete panel 10, the inner precast concrete panel 20 and the foam concrete heat insulation layer 30 may have other thicknesses, which are not limited herein and may be selected and adjusted according to practical purposes.

In particular, the prefabricated connecting elements may comprise truss rebars. The truss reinforcing steel bars comprise upper chord reinforcing steel bars, lower chord reinforcing steel bars and connecting ribs. The upper chord steel bars and the lower chord steel bars are connected through the connecting ribs, the upper chord steel bars are embedded in the outer leaf precast concrete plate 10, and the lower chord steel bars are embedded in the inner leaf precast concrete plate 20.

In an embodiment of the present invention, the number of the upper-chord steel bars, the lower-chord steel bars, and the connecting bars is plural. Similarly, the number of the truss reinforcing steel bars is also multiple.

Optionally, a through hole is formed in the prefabricated laminated thermal insulation wall body, and the through hole penetrates through the outer prefabricated concrete slab 10, the inner prefabricated concrete slab 20 and the foam concrete thermal insulation layer 30. The through hole may serve as a reserved hole for the window.

In order to facilitate the technical solutions of the present application to be better understood by those skilled in the art, the prefabricated laminated thermal insulation wall of the present application is described below with reference to a specific example. Please refer to fig. 1, which includes 50mm outer prefabricated concrete slabs 10 and 50mm inner prefabricated concrete slabs 20 truss steel bars, a cavity with a width of 100mm is left between the outer prefabricated concrete slabs 10 and the inner prefabricated concrete slabs 20, a 100mm foam concrete heat insulation layer 30 is formed by foam concrete poured in the cavity, the foam concrete heat insulation layer 30 has the characteristics of energy saving and environmental protection, and the integrity of the wall panel is improved while the heat insulation is integrated. The outer lobe precast concrete plate 10, the inner lobe precast concrete plate 20 and the foam concrete heat insulation layer 30 can be selected to have other thickness values and sizes. This prefabricated coincide thermal insulation wall can make into the massive large plate wall body according to actual project needs, and is optional, and this prefabricated coincide thermal insulation wall body can make into the form of opening door and window entrance to a cave or not having the door and window entrance to a cave, and whitewash layer, dusting layer, ornamental material or sandblast layer etc. can be done to the exterior finish.

Based on the same inventive concept, the invention also provides a shear wall, which utilizes the prefabricated laminated thermal insulation wall body in any one of the above characteristic descriptions. Referring to fig. 2 to 4, fig. 2 is a schematic view of a first shear wall in an embodiment of the present application, which is a top view of an L-shaped horizontal connection shear wall; FIG. 3 is a schematic diagram of a second shear wall of the present embodiment, which is a top view of a T-shaped horizontal connection shear wall; fig. 4 is a schematic diagram of a third shear wall in the embodiment of the present application, which is a top view of a vertically connected shear wall.

Compared with the prior art, the invention has the following beneficial effects:

1. the prefabricated superposed thermal insulation wall body adopts foam concrete as a thermal insulation material, and the wallboard can be integrally cast on site, so that the cold and hot bridge effect caused by a thermal insulation connecting piece is reduced, and the prefabricated superposed thermal insulation wall body has a good thermal insulation effect. And the foam concrete is low in price, the wallboard is integrally cast on site, and a heat-insulation connecting piece connecting structure and a heat-insulation material are not needed, so that the cost of the heat-insulation connecting piece is saved, and the cost is effectively reduced. And almost no harmful substances are generated in the preparation process of the foam concrete, so that the aims of energy conservation and environmental protection are fulfilled.

2. Prefabricated coincide thermal insulation wall body four sides need not to reserve the expenditure reinforcing bar, and mould reuse rate is high, can accomplish through the automated production assembly line in the mill, and the transportation is convenient, has novel building industrialization characteristics. The foam heat-insulating concrete has no requirement on a construction site, can be poured in any place, and is simple to operate.

The invention also provides a shear wall, which belongs to the same inventive concept with the prefabricated superposed thermal insulation wall body, so that the shear wall has the same beneficial effects, and the repeated description is omitted.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.