CN212427670U

CN212427670U - Sandwich wall and connecting structure thereof

Info

Publication number: CN212427670U
Application number: CN202020165206.0U
Authority: CN
Inventors: 马云飞; 张猛; 杨逸
Original assignee: Sany Construction Technology Co Ltd
Current assignee: Beijing Sany Architectural Design Research Co.,Ltd.
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2021-01-29
Anticipated expiration: 2030-02-12

Abstract

The utility model provides a sandwich wall and connection structure thereof, sandwich wall includes: first wallboard, second wallboard, first connector respectively with first wallboard the second wallboard rigid coupling, first wallboard with the second wallboard sets up relatively and separates the first cavity of predetermined distance formation, fill insulation material in the first cavity. The technical scheme provided by the disclosure simplifies the production process of the wall body with the heat preservation wall, and solves the problems of low automation degree, low production efficiency and the like of the production of the wall body with the heat preservation wall; the wall body is internally provided with heat insulation, and an external wall plate and a heat insulation connecting piece are omitted, so that the cost can be effectively reduced; and the heat insulation material participates in structural stress, so that structural heat insulation integration is really realized, and the concrete consumption of the outer wall body is reduced.

Description

Sandwich wall and connecting structure thereof

Technical Field

The disclosure relates to the field of buildings, in particular to a sandwich wall and a connecting structure thereof.

Background

At present, the external wall heat preservation of China is divided into three types, namely internal heat preservation, external heat preservation and sandwich heat preservation. But the inner heat preservation affects the inner area of the sleeve, has poor heat preservation effect and is easy to mildew; the quality is difficult to ensure in the construction process, the safety and the heat insulation performance are seriously affected, and the like, and the popularization and the use of internal heat insulation and external heat insulation in domestic areas are limited. The sandwich heat insulation wall has the advantages of load bearing, heat insulation, enclosure, fire prevention, corrosion prevention and the like, so that the sandwich heat insulation wall is widely applied to the field of fabricated buildings. The prefabricated sandwich heat-insulating wall is formed by connecting an inner wall plate, a heat-insulating plate and an outer wall plate (the outer wall plate does not participate in structural stress) through a heat-insulating connecting piece.

The existing wall body has a special hollow structure, the length, the rigidity and the strength required by the used heat-insulation connecting piece are large, the cost of the connecting piece is high, in the production process, the connecting piece needs to be anchored and positioned in a complicated mode when the wall body is turned over, and the problems that the production automation degree of the wall body with the heat insulation is low, the production efficiency is low and the like are caused.

SUMMERY OF THE UTILITY MODEL

To this end, the present invention provides a sandwich wall and a connection structure thereof, and in particular an insulation structure integrated wall, in an attempt to solve or at least alleviate at least one of the above problems.

The embodiment of the present disclosure provides a sandwich wall, including: first wallboard, second wallboard, first connector respectively with first wallboard the second wallboard rigid coupling, first wallboard with the second wallboard sets up relatively and separates the first cavity of predetermined distance formation, including insulation material in the first cavity.

Optionally, the thermal insulation material comprises organic thermal insulation mortar or inorganic thermal insulation mortar.

Optionally, the insulation material comprises at least one of: ceramsite heat-insulating mortar, vitrified microsphere heat-insulating mortar, composite aluminum silicate heat-insulating mortar, perlite heat-insulating mortar, polyphenyl granule heat-insulating mortar and ceramsite concrete.

Optionally, the first connecting body includes a first reinforcing mesh arranged on the first wall plate, a second reinforcing mesh arranged on the second wall plate, and a connecting member connecting the first reinforcing mesh and the second reinforcing mesh; the first reinforcing bar net piece comprises a plurality of first reinforcing bars arranged along a first direction and a plurality of second reinforcing bars arranged along a second direction, and the second reinforcing bar net piece comprises a plurality of third reinforcing bars arranged along a third direction and a plurality of fourth reinforcing bars arranged along a fourth direction.

Optionally, the connector comprises a tie bar.

Optionally, the connector comprises a truss reinforcement.

Optionally, the first wall panel and the second wall panel are made of concrete, and the first reinforcing mesh and the second reinforcing mesh are embedded in the first wall panel and the second wall panel in advance.

The embodiment further provides a connection structure of sandwich wall, specifically includes: first wallboard, second wallboard, first connector respectively with first wallboard the second wallboard rigid coupling, first wallboard with the second wallboard sets up relatively and separates the first cavity of predetermined distance formation, including insulation material in the first cavity. A second cavity is arranged between the two or more sandwich walls, and the second cavity comprises a fixed object and a second connecting body; the two or more sandwich walls are connected with the fixed object through the second connecting body.

Optionally, the fixture comprises concrete or insulation.

Optionally, any two sandwich walls form a straight-line structure, an L-shaped structure, a T-shaped structure or an oblique structure through the second connectors.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

FIG. 1 is a cross-sectional view of a wall according to an embodiment of the disclosure;

FIG. 2 is a schematic view of a first connector body in which the connector is a tie bar according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a first coupling body with the coupling members being truss rebars according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a connection of a rebar mesh to a truss rebar according to an embodiment of the present disclosure;

FIGS. 5-7 are schematic diagrams of a wall production process according to an embodiment of the disclosure;

fig. 8 is a schematic view of a horizontal connection structure of a wall according to an embodiment of the present disclosure.

Wherein 110 is a first wallboard; 120 is a second wall panel; 130 is a first connector; 140 is a cavity; 150 is heat-insulating mortar; 131 is a first reinforcing steel bar; 132 is a second rebar; 133 is a connecting member; 134 is a second linker; 135 is a third reinforcing bar; 136 is the fourth reinforcing bar; 160 is a fixed object; 1 is a side mould; 2, a wall body reinforcement cage; 3 is a wallboard of A surface; 4, a clamp; 5 is a B-surface wallboard; a is a wall body; 6 is heat-insulating mortar.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

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

Referring to fig. 1, a schematic view of the wall structure of the present invention is exemplarily shown, where the wall structure includes a first wall panel 110, a second wall panel 120, and a first connecting body 130, the first wall panel 110 and the second wall panel 120 are respectively fixedly connected to the first connecting body 130, the first wall panel 110 and the second wall panel 120 are oppositely disposed at a certain distance to form a first cavity 140, and the first cavity 140 is filled with a thermal insulation material.

Optionally, the insulating material comprises an inorganic mortar or an organic mortar.

Optionally, the main component of the thermal mortar comprises at least one of the following components: ceramsite heat-insulating mortar, vitrified microsphere heat-insulating mortar, composite aluminum silicate heat-insulating mortar, perlite heat-insulating mortar, polyphenyl granule heat-insulating mortar and ceramsite concrete.

As shown in fig. 2, according to one embodiment of the present disclosure, the first connection body 130 includes a first mesh reinforcement, a second mesh reinforcement, a connection member 133; the first reinforcing mesh comprises first reinforcing steel bars 131 arranged along a first direction and second reinforcing steel bars 132 arranged along a second direction; the second mesh of rebars includes third rebars 135 disposed in a third direction and fourth rebars 136 disposed in a fourth direction.

Optionally, the first direction is the same as the third direction, and the second direction is the same as the fourth direction.

Optionally, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the fourth direction.

Optionally, the first reinforcements 131 are fixedly connected to the second reinforcements 132, and the third reinforcements 135 are fixedly connected to the fourth reinforcements 136. In particular, the fixed connection mode can be binding, welding, winding and the like.

As shown in fig. 2, the connecting member 133 may be a tie bar according to an embodiment of the present disclosure.

Optionally, when the connecting piece is the lacing wire, carry out fixed connection when it and wall reinforcing bar net piece, the connected mode specifically can be: the connecting member 133 is welded, tied or otherwise connected to the first and

third reinforcing bars

131 and 135, and is welded, tied or otherwise connected to the second and

fourth reinforcing bars

132 and 136, respectively.

As shown in fig. 3 and 4, the connecting member 133 may be a truss reinforcement, according to one embodiment of the present disclosure.

Optionally, when the connecting piece is a truss reinforcing steel bar and is fixedly connected with the wall reinforcing steel mesh, the connecting mode can be welding, binding and the like.

Optionally, when the connecting piece is the truss reinforcing steel bar, the two ends of the truss reinforcing steel bar can be directly arranged inside the first wallboard and the second wallboard, so that the function of connecting the two walls is achieved, the cost is saved, and the construction efficiency is improved.

When the truss reinforcing steel bars are adopted for connection, the mode of fixedly connecting the truss reinforcing steel bars with the wall reinforcing steel bar net is optimized.

Optionally, the first direction is the same as the third direction and is a length direction along the wall, the second direction is the same as the fourth direction and is a height direction along the wall, and in the embodiment, the directions may also be different.

Optionally, the first wall panel and the second wall panel are made of concrete, and the first reinforcing steel bars and the second reinforcing steel bars are embedded in the first wall panel and the second wall panel in advance.

The technical scheme that this disclosure embodiment provided directly pours the heat preservation mortar between two wallboards, forms structure heat preservation integration wall body, has reached following technological effect: 1. the structure is simple, the production is easy, so that the production process of the wall body is simplified, and the problems of low automation degree, low production efficiency and the like of the production of the wall body with the heat insulation function are solved; 2. compared with the prefabricated sandwich wall with external heat insulation, the structural heat insulation integrated wall plate is internally provided with heat insulation, and an external wall plate and a heat insulation connecting piece are omitted, so that the cost can be effectively reduced; 3. the thermal insulation material participates in structural stress, so that structural thermal insulation integration is really realized, the wall body wallboard also participates in stress, and the concrete consumption of the external wall thermal insulation wall body is reduced.

The reason why the wall structure provided by the present disclosure can produce the above technical effects is described in detail below in conjunction with the production process of the wall. In the production process of the wall body, the wall body containing the reinforcement cage is prefabricated in a factory, the prefabricated wall body does not need anchoring and positioning heat-insulation connecting pieces in the prefabrication process, the prefabricated wall body is transported to the site, heat-insulation mortar is poured in the cavity after the wall body is installed at a preset position, and the heat-insulation mortar and a concrete slab form a whole after reaching preset strength, so that the structural heat-insulation integrated wall body can be manufactured.

The production process of the wall body mainly comprises two aspects: firstly, prefabricating a wall body; and secondly, pouring thermal insulation mortar in situ.

The process of prefabricating the wall body comprises the following steps:

step 1, manufacturing a wall body on one side, as shown in figure 5;

step 2, manufacturing a wall body on the other side, as shown in fig. 6;

secondly, the process of pouring the thermal insulation mortar in situ comprises the following steps:

the wall body (A) is transported to the site, the wall body (A) is installed at a preset position, the heat insulation mortar (6) is poured in the cavity, and after the heat insulation mortar (6) reaches a preset strength, the heat insulation mortar and the concrete slab form a whole to cooperatively participate in stress, as shown in figure 7.

The present disclosure also provides a connecting structure of a wall body, including: two or more than two walls and a second connector, wherein a second cavity is arranged between the two or more than two walls, and a fixed object is filled in the second cavity; two or more than two walls are connected with the fixed object through the second connecting body.

Alternatively, the fixture comprises concrete, in which case the second cavity is cast with concrete to improve the strength of the connection of the wall.

Optionally, the fixture comprises insulation mortar, and the second cavity and the insulation mortar of the first cavity are cast together or separately.

In the embodiment of the disclosure, the first cavity and the second cavity are both poured with heat-insulating mortar, so that the heat-insulating effect of the building can be integrally improved.

Alternatively, the walls can be connected by the second connecting body in any form of structure, for example, the second connecting body can be a straight-line structure, an L-shaped structure, a T-shaped structure or an oblique structure.

Referring to fig. 8, when two walls are connected in a straight line, wherein 131 is a plurality of first steel bars, 132 is a plurality of second steel bars, the plurality of first steel bars 131 are embedded in the first wall panel 110 and the second wall panel 120, respectively, the plurality of second steel bars 132 are embedded in the first wall panel 110 and the second wall panel 120, and the plurality of first steel bars 131 and the plurality of second steel bars 132 are fixedly connected, in particular, the fixing connection manner may be binding, welding, winding, and the like.

Optionally, the second connector 134 is a steel bar connecting structure between two walls.

Optionally, two ends of the second connectors 134 are respectively connected to the connectors of the two steel mesh sheets, and the connection manner may be at least one of binding, winding, welding, and overlapping.

Optionally, a certain distance is formed between two adjacent walls, and the distance can be filled with a fixture for fixing.

Particularly, the fixed object can be a heat-insulating material, and specifically can be one or more of ceramsite heat-insulating mortar, vitrified microsphere heat-insulating mortar, composite aluminum silicate heat-insulating mortar, perlite heat-insulating mortar, polyphenyl granule heat-insulating mortar and ceramsite concrete.

Optionally, the fixture may also be concrete, and the concrete may be one or more of ordinary concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete, and foamed concrete.

In practice, in order to enhance the connection stability between two or more walls, the second connecting body 134 is usually provided with a reinforcing part, which is an end plate structure or a thickened structure. For example, the second connection body 134 may be a planar connection body, and holes or protrusions, which will serve to reinforce the connection strength of two prefabricated walls, may be provided on the second connection body 134 as reinforcing parts, and the second connection body 134 may also be a planar curved connection body, which is partially reinforced by increasing the contact surface in the thickness direction of the prefabricated walls.

In addition, the two wall boards of the wall body can be in an abutting mode or a separated mode; and/or staggered or aligned; and/or mortise and tenon type or keyway type, wherein the various forms can coexist in two or more types, and although the edge shapes of the prefabricated walls are different, the connection mode of the connecting body and the wall body is not influenced.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

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 at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications will occur to those skilled in the art based on the following disclosure and are within the scope of the present disclosure.

Claims

1. A sandwich wall, comprising: the first connecting body is fixedly connected with the first wallboard and the second wallboard respectively, the first wallboard and the second wallboard are oppositely arranged and separated by a preset distance to form a first cavity, and the first cavity comprises a heat-insulating material; the first connecting body comprises a first reinforcing mesh arranged on the first wallboard, a second reinforcing mesh arranged on the second wallboard, and a connecting piece for connecting the first reinforcing mesh and the second reinforcing mesh; the first reinforcing bar net piece comprises first reinforcing bars arranged along a first direction and second reinforcing bars arranged along a second direction, and the second reinforcing bar net piece comprises third reinforcing bars arranged along a third direction and fourth reinforcing bars arranged along a fourth direction.

2. The sandwich wall according to claim 1, wherein said thermal insulation material comprises an organic thermal insulation mortar or an inorganic thermal insulation mortar.

3. The sandwich wall of claim 1, wherein the insulation material comprises at least one of: ceramsite heat-insulating mortar, vitrified microsphere heat-insulating mortar, composite aluminum silicate heat-insulating mortar, perlite heat-insulating mortar, polyphenyl granule heat-insulating mortar and ceramsite concrete.

4. The sandwich wall of claim 1, wherein the connectors comprise tie bars.

5. The sandwich wall of claim 1, wherein the connectors comprise truss rebar.

6. The sandwich wall of claim 1, wherein the first and second wall panels are made of concrete, and the first and second mesh sheets are pre-embedded in the first and second wall panels.

7. A connection structure of sandwich wall, characterized by comprising: the two or more sandwich walls of any one of claims 1-6, wherein a second cavity is disposed between the two or more sandwich walls, and the second cavity comprises a fixture and a second connector; the two or more sandwich walls are connected with the fixed object through the second connecting body.

8. The sandwich wall attachment structure of claim 7 wherein said fixture comprises concrete or insulation.

9. The sandwich wall connection structure of claim 7, wherein any two sandwich walls form a straight-line structure, an L-shaped structure, a T-shaped structure or an oblique structure through the second connection body.