CN211690939U

CN211690939U - Double-sided superposed sandwich heat-insulation shear wall using heat-insulation concrete

Info

Publication number: CN211690939U
Application number: CN201922208532.5U
Authority: CN
Inventors: 杨天梦; 张弢; 恽燕春; 方松青; 丁泓; 周轩
Original assignee: Shanghai Zibao Housing Industrialization Co ltd
Current assignee: Shanghai Zibao Housing Industrialization Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-16
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a double-sided superimposed sandwich thermal insulation shear wall using thermal insulation concrete, which comprises a prefabricated part and a cast-in-situ part; the prefabricated part comprises an outer blade plate, a heat-insulating concrete layer and an inner blade plate, wherein the outer blade plate and the heat-insulating concrete layer are sequentially poured and maintained; the cast-in-place part is positioned in a cavity between the heat preservation concrete layer and the inner blade plate. The utility model has the advantages that the heat insulation material is arranged between the inner side prefabricated plate and the outer side prefabricated plate of the double-sided superposed concrete shear wall, so that the integrated production of heat insulation, decoration and structure can be realized, the on-site template and support are saved, the industrial production is convenient, and the economic benefit is further improved; the site operation is convenient, the resources are saved, and the construction period is shortened; the degree of mechanization and automation is higher during production, the precision of the component is effectively improved, and the heat preservation quality is improved.

Description

Double-sided superposed sandwich heat-insulation shear wall using heat-insulation concrete

Technical Field

The utility model relates to a heat preservation wall especially relates to an use heat preservation concrete's two-sided coincide with filling heat preservation shear force wall.

Background

In the current national society total energy consumption, the building energy consumption accounts for about 32 percent, and the building energy consumption is the largest single energy consumption industry. The energy consumption of the outer enclosure structure (comprising the outer hanging wall and the outer enclosure shear wall) accounts for more than 85% of the total energy consumption of the building, and the improvement of the energy-saving level of the outer wall has important significance for reducing the energy consumption of the building. At present, for fabricated buildings in China, double-faced superposed concrete shear walls are used in low-rise buildings, a part of cast-in-place work is moved to a factory for carrying out, and complicated and time-consuming procedures such as large-scale formwork erecting on site are omitted.

The existing double-faced superposed shear wall needs to be prefabricated with an inner leaf plate and an outer leaf plate in a factory, common concrete is cast in place in a construction site, meanwhile, in order to meet the requirements on the performances such as heat preservation, heat preservation treatment needs to be carried out on the outer side of the double-faced superposed shear wall, the construction process is similar to the traditional method, a ten-centimeter rock wool plate needs to be adhered to the outer side of the outer leaf plate, then a layer of grid cloth is hung, a layer of mortar is smeared, and then an anchoring part is installed to fix the rock wool heat preservation plate. The common building external wall heat insulation structure in engineering is divided into three types of internal heat insulation, external heat insulation and sandwich heat insulation. The inner heat insulation structure is easily damaged by indoor decoration, and the outer heat insulation structure has serious problems of fire prevention and durability (the service life is 10-15 years). The most common external thermal insulation structure is easy to fall off in the practical application process.

In the prior art, heat insulation concrete is also adopted as concrete for pouring of the prefabricated superposed wall, but the heat insulation concrete is completely poured in the middle of the prefabricated superposed wall, so that on one hand, the cost is higher, and on the other hand, certain waste is caused. Meanwhile, the heat preservation method has the advantages that the process is still more complicated in the construction field, a large amount of manpower and material resources are consumed, and the building industrialization degree can be further improved.

Disclosure of Invention

The utility model aims at: the double-sided superposed sandwich heat-insulation shear wall using the heat-insulation concrete is provided, a layer of heat-insulation concrete layer is prefabricated inside an outer leaf plate of the prefabricated superposed wall, and is reinforced by using the pre-embedded truss steel bars, so that the using amount of the heat-insulation concrete is reduced, the heat-insulation effect is achieved, the cost is reduced, the waste is reduced, and the economic benefit is improved; meanwhile, the field construction loop connection is simplified, the resources are saved, the construction period is shortened, the automation degree is improved, and meanwhile, the precision and the heat insulation quality of the component are also improved.

The utility model adopts the following technical proposal:

a double-sided superposed sandwich heat-insulation shear wall using heat-insulation concrete comprises a prefabricated part and a cast-in-place part; the prefabricated part comprises an outer blade plate 1 which is poured and maintained in sequence, a heat-insulating concrete layer 2 which is attached to the inner side of the outer blade plate 1, and an inner blade plate 3 which is connected with the outer blade plate 1 and the heat-insulating concrete layer 2 into a whole through a pre-embedded connecting piece 5; the cast-in-place part is positioned in a cavity between the heat preservation concrete layer 2 and the inner blade plate 3.

Preferably, the combined type inner leaf plate is characterized by further comprising a longitudinal stress rib 7, wherein the longitudinal stress rib 7 is longitudinally embedded in the inner leaf plate 3 and is longitudinally fixed on the connecting piece 5 in a binding mode.

Furthermore, the inner blade plate also comprises a plurality of tie bars 4, and the plurality of tie bars 4 transversely connect the longitudinal stress bars 7 in the cavity and the inner blade plate; one end of the lacing wire 4 is embedded in the inner blade plate 3.

Preferably, the connecting piece 5 is a single stainless steel truss.

Preferably, the thickness of the outer blade plate 1 is 60mm, the thickness of the heat-insulating concrete layer is 40mm, the thickness of the cast-in-place part is 140mm, and the thickness of the inner blade plate is 60 mm; wherein the heat preservation concrete layer and the outer leaf plate are prefabricated together.

The beneficial effects of the utility model reside in that:

1) the heat insulation material is arranged between the inner side prefabricated plate and the outer side prefabricated plate of the double-faced superposed concrete shear wall, so that the integrated production of heat insulation, decoration and structure can be realized, on-site templates and supports are saved, the industrial production is facilitated, and the economic benefit is further improved;

2) the site operation is convenient, the resources are saved, and the construction period is shortened;

3) the degree of mechanization and automation is high during production, the precision of the component is effectively improved, and the heat preservation quality is improved;

4) one layer of heat preservation concrete layer is prefabricated in the inside of the outer leaf plate of prefabricated coincide wall, utilizes pre-buried truss reinforcing bar to consolidate to reduce heat preservation concrete's use amount, when reaching the heat preservation effect, reduce cost reduces extravagantly, improves economic benefits.

Drawings

Fig. 1 is a cross-sectional view of the double-sided laminated sandwich thermal shear wall using thermal concrete of the present invention.

In the figure, 1, an outer blade plate, 2, a heat preservation concrete layer, 3, an inner blade plate, 4, a tie bar, 5, a connecting piece, 6, post-poured common concrete and 7, a longitudinal stress bar.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a double-sided stacked sandwich thermal insulation shear wall using thermal insulation concrete includes a prefabricated part and a cast-in-place part; the prefabricated part comprises an outer blade plate 1 which is poured and maintained in sequence, a heat-insulating concrete layer 2 which is attached to the inner side of the outer blade plate 1, and an inner blade plate 3 which is connected with the outer blade plate 1 and the heat-insulating concrete layer 2 into a whole through a pre-embedded connecting piece 5; the cast-in-place part is positioned in a cavity between the heat preservation concrete layer 2 and the inner blade plate 3.

In this embodiment, referring to fig. 1, the connecting piece further comprises a longitudinal stress rib 7, and the longitudinal stress rib 7 is embedded in the inner leaf plate 3 along the longitudinal direction and is fixed on the connecting piece 5 along the longitudinal direction by means of binding. The structural strength is enhanced.

In this embodiment, referring to fig. 1, the inner leaf plate also comprises a plurality of tie bars 4, wherein a plurality of tie bars 4 connect longitudinal stress ribs 7 in the cavity and the inner leaf plate along the transverse direction; one end of the lacing wire 4 is embedded in the inner blade plate 3. Further enhancing the structural strength.

In this embodiment, referring to fig. 1, the connecting member 5 is a single truss of stainless steel.

In this embodiment, referring to fig. 1, the thickness of the outer blade plate 1 is 60mm, the thickness of the thermal insulation concrete layer is 40mm, the thickness of the cast-in-place part is 140mm, and the thickness of the inner blade plate is 60 mm; wherein the heat preservation concrete layer and the outer leaf plate are prefabricated together.

When the composite material is produced in a factory, the outer leaf plates 1 and the stainless steel single truss trusses 5 (namely connecting pieces) are poured firstly; after the maintenance is finished, a heat preservation concrete layer 2 is poured; binding a longitudinal stress rib 7 after the maintenance is finished; meanwhile, the longitudinal stress rib 7 is fixed by the lacing wire 4; and manufacturing an inner leaf plate 3, reversely buckling an integral outer leaf plate 1, a post-pouring heat preservation concrete layer 2, a tie bar 4, a stainless steel single truss 5 and a longitudinal stress bar 7 on the inner leaf plate 3, and curing to form an integral body. After production, the concrete is transported to a construction site, and common concrete 6 is poured in the cavity on site.

The utility model is suitable for a building that has higher requirement to thermal insulation performance because this type of shear force wall has better wholeness, has extensive adaptability, adopts to the high-rise homoenergetic from low multilayer.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and these changes or improvements should fall within the scope of the present invention.

Claims

1. The utility model provides an use two-sided coincide with filling heat preservation shear force wall of heat preservation concrete which characterized in that:

comprises a prefabricated part and a cast-in-place part;

the prefabricated part comprises an outer leaf plate (1) which is poured and maintained in sequence, a heat-insulating concrete layer (2) which is attached to the inner side of the outer leaf plate (1), and an inner leaf plate (3) which is connected with the outer leaf plate (1) and the heat-insulating concrete layer (2) into a whole through a pre-embedded connecting piece (5);

the cast-in-place part is positioned in a cavity between the heat-preservation concrete layer (2) and the inner blade plate (3);

the inner leaf plate is characterized by also comprising a longitudinal stress rib (7), wherein the longitudinal stress rib (7) is longitudinally embedded in the inner leaf plate (3) and is longitudinally fixed on the connecting piece (5) in a binding mode;

the inner blade plate is characterized by also comprising a plurality of tie bars (4), wherein the plurality of tie bars (4) are used for transversely connecting longitudinal stress bars (7) in the cavity and the inner blade plate; one end of the lacing wire (4) is embedded in the inner blade plate (3).

2. The double-sided laminated sandwich thermal shear wall using thermal concrete according to claim 1, wherein: the connecting piece (5) adopts a single stainless steel truss.

3. The double-sided laminated sandwich thermal shear wall using thermal concrete according to claim 1, wherein: the thickness of the outer blade plate (1) is 60mm, the thickness of the heat-insulating concrete layer is 40mm, the thickness of the cast-in-place part is 140mm, and the thickness of the inner blade plate is 60 mm; wherein the heat preservation concrete layer and the outer leaf plate are prefabricated together.