CN108915117B - Cast-in-place concrete built-in heat insulation wall and construction method - Google Patents

Cast-in-place concrete built-in heat insulation wall and construction method Download PDF

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Publication number
CN108915117B
CN108915117B CN201810734210.1A CN201810734210A CN108915117B CN 108915117 B CN108915117 B CN 108915117B CN 201810734210 A CN201810734210 A CN 201810734210A CN 108915117 B CN108915117 B CN 108915117B
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layer
heat
wire mesh
mesh sheet
steel wire
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CN108915117A (en
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王克佳
郭仕和
范子辕
白利刚
白利国
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Gorgeous New Material Technology Co ltd
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Gorgeous New Material Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ

Abstract

The invention belongs to the technical field of heat-insulating walls, and provides a cast-in-place concrete built-in heat-insulating wall and a construction method thereof, wherein the cast-in-place concrete built-in heat-insulating wall comprises a base layer and a heat-insulating plate layer, wherein the base layer is positioned on one side of the heat-insulating plate layer; the heat preservation plate layer comprises a reinforcement layer, and both sides of the reinforcement layer are sequentially provided with a heat preservation layer and a connecting layer; the connecting layer is connected with the base layer; a flat steel wire mesh sheet and a rectangular groove-shaped steel wire mesh sheet are sequentially arranged on one side, close to the base layer, of the connecting layer close to the base layer, the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet are combined to form a template component with a groove structure, and a cavity structure is formed between the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet after combination; the heat-insulating wall body solves the technical problems that the existing heat-insulating manufacturing of the building wall body usually attaches heat-insulating materials on the surface of the wall body built by common wall bricks, the heat-insulating wall body has complex construction procedures, long construction period, high manufacturing cost and unsafety, the quality is difficult to control, the heat-insulating layer is easy to hollowly bulge, crack, fall off, short in service life, high in later-period maintenance cost, more in potential safety hazards and the like.

Description

Cast-in-place concrete built-in heat insulation wall and construction method
Technical Field
The invention belongs to the technical field of heat-insulating walls, and relates to a cast-in-place concrete built-in heat-insulating wall and a construction method.
Background
In the known technology, high-rise buildings are divided into frames, frame shears or shear structures, and the thermal insulation wall body is generally composed of cast-in-place concrete beams, columns or plates and an external wall body built by common wall bricks. At present, the heat insulation of building walls is usually manufactured by additionally arranging heat insulation materials on the surface of a wall body built by common wall bricks, and the heat insulation wall has the advantages of complex construction process, labor and time waste, long construction period, high manufacturing cost, unsafety, difficulty in quality control, easiness in hollowing, cracking, falling, short service life, high later-stage maintenance cost and more potential safety hazards.
The heat-insulating board is made up by using polystyrene resin as raw material, adding other raw and auxiliary materials and polymer, and is made up by using polymer mortar, glass fibre mesh fabric, flame-retardant moulding polystyrene foam board or extruded board through the processes of compounding, field bonding construction, heating, mixing, simultaneously injecting catalyst and extruding and forming. The novel heat-insulation and decoration integrated plate is produced by a production line, integrates the functions of heat insulation, water resistance, facing and the like, meets the energy-saving requirement of the current house building, improves the heat-insulation level of the outer wall of the industrial and civil buildings, and is also a preferred material for energy-saving reconstruction of the existing building. However, the composite board in the novel insulation board is not better arranged, some composite boards of the insulation board are exposed outside, the time is prolonged, the service life of the composite boards is shortened, in the bonding process, if the viscose effect is not good, the composite boards can fall off, the potential safety hazard is caused, the resource waste is caused, manual installation is needed, and time and labor are wasted.
Traditional building wall body adopts concrete, solid brick or hollow brick structure to directly expose outside, the wall body is not thermal-insulated not keeps warm, need consume a large amount of energy in order to keep comfortable room temperature, especially in the north, adopts the installation mode that becomes present commonly used at the thermal-insulated heat preservation wallboard of building wall body external mounting, and adopts the mode of direct amalgamation usually between heated board and the heated board, leaves the gap between the heated board, has the poor problem of heat preservation effect.
Along with the rapid development of national economic construction and improvement of working and living environments in China, the requirements of the building industry on the heat preservation and decoration performance of buildings are higher and higher. Although the internal thermal insulation technology of the external wall in China accounts for the majority of the construction at present, the external thermal insulation technology of the external wall is the development direction of the thermal insulation of buildings in future. In recent years, China also makes various beneficial attempts in the aspect of external wall heat insulation application, develops and develops several types of external wall heat insulation products, such as manufacturing an external wall heat insulation board foamed polyphenyl particle cement polymer mortar heat insulation layer on the surface of an external wall of a building, pasting a polyphenyl board thickening protective layer outside the building, pouring a polyphenyl heat insulation board and a wall body with a polymer mortar protective layer, a cement polyphenyl board component and the like, obtains certain heat insulation and economic effects, and solves the problems of internal heat insulation such as cold bridge, condensation, cracking, difficult decoration, fire hazard gas emission, old building renovation, energy conservation and the like. However, some problems still exist in the prior art, for example, because some foaming insulation boards are of a plane structure, the phenomenon of hollowing and peeling is easily caused due to the fact that the foaming insulation boards are not adhered easily, and potential safety hazards are caused.
At present, the general thermal insulation material for the building exterior wall adopts organic or inorganic thermal insulation boards, the organic thermal insulation boards are mainly made of polystyrene which is an excellent thermal insulation material and is formed by extrusion molding to form a compact honeycomb structure, so that heat conduction is effectively prevented, and the board has the advantages of light weight, low price, stable chemical structure and the like. The inorganic heat-insulating board mainly comprises a foamed ceramic heat-insulating board, a composite cement foamed heat-insulating board, an aerated concrete board, a rock wool board and the like, and all the components are inorganic materials, so that the inorganic heat-insulating board has the advantages of high temperature resistance, nonflammability, fire resistance, long durability, no aging, no need of maintenance and the like. However, the heat insulation performance of the inorganic material heat insulation board is slightly poorer than that of the organic material heat insulation board, the thermal expansion coefficient of the organic heat insulation material is different from that of cement, the organic material heat insulation board can fall off, the maintenance cost is high, and the technical problems of potential safety hazards and the like exist.
Disclosure of Invention
The invention provides a cast-in-place concrete built-in thermal insulation wall and a construction method, and solves the technical problems.
The technical scheme of the invention is realized as follows:
a cast-in-place concrete built-in heat insulation wall and a construction method thereof comprise the following steps:
the base layer is positioned on one side of the heat insulation plate layer;
the heat insulation plate layer comprises a reinforcing layer, and a heat insulation layer and a connecting layer are sequentially arranged on two sides of the reinforcing layer;
the connecting layer is connected to the base layer;
the base layer is poured into concrete by adopting a concrete cast-in-place method;
cement polymer sheets are arranged on both sides of the heat-insulating layer;
the reinforced layer is a plurality of layers of glass fiber mesh cloth;
a flat steel wire mesh sheet and a rectangular groove-shaped steel wire mesh sheet are sequentially arranged on one side, close to the base layer, of the connecting layer close to the base layer, the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet are combined to form a template component with a groove structure, and a cavity structure is formed between the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet after combination;
and a plurality of template supporting pieces used for tightly and fixedly connecting the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet are arranged at the joint position of the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet.
As a further technical scheme, the template support piece is cuboid, a plurality of first through holes are formed in the upper surface and the lower surface of the template support piece and are evenly distributed, and the first through holes are connected through bolts.
As a further technical scheme, the connecting layer and the heat-insulating layer and the reinforcing layer are bonded through adhesives.
As a further technical scheme, a flame-retardant molded polystyrene foam board is arranged in the heat-insulating layer.
As a further technical scheme, a cement-based plastering waterproof mortar is arranged between the base layer and the connecting layer.
As a further technical scheme, both sides of the heat preservation plate layer are provided with a protrusion structure and a groove structure.
As a further technical scheme, the adhesive is a cement-based adhesive.
As a further technical scheme, a metal plate is arranged between the connecting layer and the existing wall body, the metal plate is in a folded line shape, a plurality of second through holes are uniformly formed in the metal plate, the second through holes are formed by stamping the metal plate through a stamping die, and one side of an extruded part of the metal plate is not separated from the metal plate.
As a further technical scheme, the method comprises the following steps:
s1, placing the template element on the outer side of the connecting layer close to the base layer;
s2, welding one end of a plug wire with the flat wire mesh, penetrating through the cavity structure formed by the template piece, penetrating through the heat insulation plate layer, penetrating through the metal plate, and inserting into the existing wall;
s3, fixing the template support outside the flat wire mesh sheet;
s4, reserving a gap with the same thickness as the heat-preservation slab between the heat-preservation slab and the existing wall through the plug wires;
s5, arranging a building template on one side of the base layer, which is far away from the heat-preservation plate layer, respectively pouring concrete into the cavity structure, the base layer and the gap, and dismantling the building template when certain strength is achieved;
and S6, finishing the construction of the cast-in-place concrete built-in heat insulation wall after the concrete is hardened.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the base layer is poured into concrete by adopting a concrete cast-in-place method, so that the wall body cannot be firmer and unstable due to the built-in heat insulation plate layer, and has good mechanical properties; the cement polymer sheets are used as the surface layers on the two sides of the heat-insulating layer, so that the hydration reaction of the concrete in the base layer is facilitated, and a better bonding effect can be obtained; the flame-retardant molded polystyrene foam board is arranged in the heat-insulating layer, so that the heat-insulating layer has excellent heat-insulating, heat-insulating and waterproof properties, low heat conductivity coefficient and impermeability; the whole heat insulation plate layer is positioned between the base layers, is not exposed to the external environment, is in a stable state for a long time and has long service life; the glass fiber mesh cloth is arranged in the enhancement layer, so that the heat insulation and waterproof glass fiber mesh cloth has excellent heat insulation, heat insulation and waterproof performances, low heat conductivity coefficient and impermeability; the adhesive can better bond the connecting layer, the heat-insulating layer and the reinforcing layer, so that the heat-insulating plate layer is integrated; the flat steel wire mesh sheet and the rectangular groove-shaped steel wire mesh sheet are welded into a whole and are attached to the heat-insulating plate layer to form a cavity structure, and concrete can be poured into the cavity structure after the cavity structure is formed; the formwork support piece can better fasten and fix the formwork piece welded by the flat steel wire mesh piece and the rectangular groove-shaped steel wire mesh piece.
2. According to the invention, the formwork support piece is in a cuboid shape, the upper surface and the lower surface of the formwork support piece are provided with the plurality of first through holes, the first through holes are uniformly distributed on the formwork support piece, and the formwork support piece fastens the flat steel wire mesh piece and the rectangular groove-shaped steel wire mesh piece through bolts so as to ensure that the flat steel wire mesh piece and the rectangular groove-shaped steel wire mesh piece are tightly connected and do not deform.
3. In the invention, the connecting layer and the heat-insulating layer as well as the heat-insulating layer and the reinforcing layer are bonded by the adhesive, so that the heat-insulating plate layer is of an integrated structure and cannot be separated from one another; the adhesive is a cement-based adhesive, and can be better suitable for the heat-insulation board embedded in concrete.
4. According to the invention, the cement-based plastering waterproof mortar protects the heat-insulation board layer from being corroded or damaged by concrete on one hand, and plays a role in isolation protection; on the other hand, the adhesive also plays a role of bonding the base layer and the connecting layer.
5. According to the invention, the two sides of the heat insulation plate layer are respectively provided with the bulge and the groove structure, so that the heat insulation plates can be conveniently spliced and installed, and the heat insulation plate is suitable for various installation positions in various installation environments.
6. According to the invention, the metal plate is arranged between the connecting layer and the existing wall body, the cross section of the metal plate is in a folded line shape and can bear larger force and extrusion of concrete, the metal plate is uniformly provided with a plurality of second through holes, the second through holes are formed by punching the metal plate by a punching die, one side of an extrusion part of the punched metal plate is not separated from the metal plate, the second through holes can allow plug wires to penetrate through the metal plate, the extrusion part is divided into a first fin facing the heat insulation plate layer and a second fin facing the existing wall body, the first fin is in a pointed-prick shape for being inserted into the heat insulation plate layer, the second fin is in a triangular shape, the metal plate is conveniently fixed between the connecting layer and the existing wall body, and deviation cannot occur when the concrete is poured.
7. According to the invention, the template element is placed outside the connecting layer close to the base layer, one end of the inserted wire is welded with the flat wire mesh sheet, penetrates through the cavity structure formed by the template element, penetrates through the heat insulation plate layer, penetrates through the metal plate and is inserted into the existing wall body, so that the effect of fixing the heat insulation plate layer and the metal plate is achieved, the heat insulation plate layer and the metal plate are fixed together with the existing wall body, the concrete is convenient to pour, and the displacement is avoided when the concrete is poured; fixing a template support piece on the outer side of a flat steel wire mesh piece, and fixing the flat steel wire mesh piece and a rectangular groove-shaped steel wire mesh piece; a gap with the same thickness as the heat insulation plate layer is reserved between the heat insulation plate layer and the existing wall body through the plug wires, and concrete is reserved in the gap; and arranging a building template on one side of the base layer, which is far away from the heat insulation plate layer, pouring concrete into the cavity structure, the base layer and the gaps respectively, dismantling the building template after certain strength is reached, and finishing the construction of the cast-in-place concrete built-in heat insulation wall after the concrete is hardened.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a base layer and an insulation board layer according to the present invention;
FIG. 3 is a schematic view of a formwork support member according to the present invention;
FIG. 4 is a schematic view of a metal plate according to the present invention.
In the figure: 1-base layer, 2-heat preservation plate layer, 21-reinforcing layer, 22-heat preservation layer, 23-connecting layer, 24-flat wire mesh sheet, 25-rectangular groove-shaped steel wire mesh sheet, 26-template piece, 27-cavity structure, 3-adhesive, 4-template support piece, 41-first through hole, 42-bolt, 5-existing wall, 6-metal plate, 61-second through hole, 62-extrusion part, 7-building template, 8-wire insertion and 9-gap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a cast-in-place concrete built-in thermal insulation wall and a construction method thereof, including:
the base layer 1 is positioned on one side of the heat insulation plate layer 2; the heat preservation plate layer 2 comprises a reinforcement layer 21, and both sides of the reinforcement layer 21 are sequentially provided with a heat preservation layer 22 and a connecting layer 23; the connecting layer 23 is connected to the base layer 1; the base layer 1 is poured into concrete by adopting a concrete cast-in-place method; cement polymer sheets are arranged on both sides of the heat-insulating layer 22; a flame-retardant molded polystyrene foam board is arranged in the heat-insulating layer 22; the enhancement layer 21 is a plurality of layers of glass fiber mesh cloth; a flat wire mesh sheet 24 and a rectangular groove-shaped wire mesh sheet 25 are sequentially arranged on one side, close to the base layer 1, of the connecting layer 23 close to the base layer 1, the flat wire mesh sheet 24 and the rectangular groove-shaped wire mesh sheet 25 are combined into a template piece 26 with a groove structure, and a cavity structure 27 is formed between the flat wire mesh sheet 24 and the rectangular groove-shaped wire mesh sheet 25 after combination; the joint position of the flat wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25 is provided with a plurality of template support members 4 for tightly and fixedly connecting the flat wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25.
In the embodiment, the base layer 1 is poured into the concrete by adopting a concrete cast-in-place method, so that the wall body cannot be firm and stable enough due to the built-in heat insulation plate layer 2, and has good mechanical properties; the cement polymer sheets are used as the surface layers for the two sides of the heat-insulating layer 22, so that the hydration reaction of the concrete in the base layer 1 is facilitated, and a better bonding effect can be obtained; the flame-retardant molded polystyrene foam board is arranged in the heat-insulating layer 22, so that the heat-insulating layer has excellent heat-insulating, heat-insulating and waterproof properties, low heat conductivity coefficient and impermeability; the heat insulation board layer 22 is integrally positioned between the base layers 1, is not exposed to the external environment, is in a stable state for a long time and has long service life; the reinforced layer 21 is internally provided with glass fiber mesh cloth, so that the reinforced layer has excellent heat preservation, heat insulation and waterproof performances, low heat conductivity coefficient and impermeability; the adhesive 3 can better bond the connecting layer 23, the heat-insulating layer 22 and the reinforcing layer 21, so that the heat-insulating plate layer 2 is integrated; the flat wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25 are welded into a whole and are attached to the heat-preservation plate layer 2 to form a cavity structure 27, and concrete can be poured into the cavity structure 27 after the cavity structure 27 is formed; the formwork support 4 can better fasten and fix the formwork element 26 formed by welding the flat wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25.
Further, the template support member 4 is in a rectangular parallelepiped shape, the upper surface and the lower surface of the template support member 4 are provided with a plurality of first through holes 41, the first through holes 41 are uniformly distributed, and the first through holes 41 are internally provided with bolts 42 for connection.
In this embodiment, the formwork support member 4 is a cuboid, the upper surface and the lower surface of the formwork support member 4 are provided with a plurality of first through holes 41, the first through holes 41 are uniformly distributed on the formwork support member 4, and the formwork support member 4 fastens the flat steel wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25 through the bolts 42, so that the flat steel wire mesh sheet 24 and the rectangular groove-shaped steel wire mesh sheet 25 are tightly connected and do not deform.
Furthermore, the connecting layer 23 and the heat-insulating layer 22, and the heat-insulating layer 22 and the reinforcing layer 21 are bonded by the adhesive 3.
Further, the adhesive 3 is a cement-based adhesive.
In the embodiment, the connecting layer 23 and the heat-insulating layer 22, and the heat-insulating layer 22 and the reinforcing layer 21 are bonded by the adhesive 3, so that the heat-insulating plate layer 2 is of an integrated structure, and the layers cannot be separated; the adhesive 3 is a cement-based adhesive, and can be better suitable for a heat-insulating plate embedded in concrete.
Further, a cement-based plastering waterproof mortar is arranged between the base layer 1 and the connecting layer 23.
In the embodiment, the cement-based plastering waterproof mortar protects the heat-insulation board layer 2 from being corroded or damaged by concrete on one hand, and plays a role in isolation and protection; on the other hand, it also functions to bond the base layer 1 and the connecting layer 23.
Further, both sides of the heat preservation plate layer 2 are provided with a protrusion structure and a groove structure.
In this embodiment, 2 both sides of insulation board layer all are provided with protruding and groove structure, conveniently splice the installation to the heated board, are adapted to various installation positions of various installation environment.
Further, a metal plate 6 is arranged between the connecting layer 23 and the existing wall 5, the metal plate 6 is in a folded line shape, a plurality of second through holes 61 are uniformly formed in the metal plate 6, the second through holes 61 are formed by punching the metal plate 6 through a punching die, and one side of an extrusion part 62 of the punched metal plate 6 is not separated from the metal plate 6.
In this embodiment, be provided with metal sheet 6 between articulamentum 23 and current wall body 5, the cross section of metal sheet 6 is the broken string form, can bear the extrusion of bigger power and concrete, and evenly be provided with a plurality of second through-holes 61 on the metal sheet 6, second through-hole 61 is formed by stamping die punching metal sheet 6, and extrusion part 62 of punching metal sheet 6 does not break away from metal sheet 6 on one side, second through-hole 61 can let plug-in wire 8 pass metal sheet 6, extrusion part 62 divide into the first fin towards insulation board layer 2 and the second fin towards current wall body 5, the shape of first fin is the cusp type that is used for inserting insulation board layer 2, the second fin is triangle-shaped, make things convenient for metal sheet 6 to fix between articulamentum 23 and current wall body 5, can not take place the skew when pouring concrete.
Further, the method comprises the following steps:
s1, placing the template member 26 on the outer side of the connecting layer 23 close to the base layer 1;
s2, welding one end of the inserted wire 8 with the flat wire mesh 24, penetrating through the cavity structure 27 formed by the template part 26, penetrating through the heat preservation plate layer 2, penetrating through the metal plate 6, and inserting into the existing wall body 5;
s3, fixing the template support 4 outside the flat wire mesh sheet 24;
s4, reserving a gap 9 with the same thickness as the heat-preservation slab 2 between the heat-preservation slab 2 and the existing wall 5 through the plug wires 8;
s5, arranging a building template 7 on one side of the base layer 1 far away from the heat-preservation plate layer 2, respectively pouring concrete into the cavity structure 27, the base layer 1 and the gap 9, and removing the building template 7 when certain strength is achieved;
and S6, finishing the construction of the cast-in-place concrete built-in heat insulation wall after the concrete is hardened.
In the embodiment, the template member 26 is placed outside the connecting layer 23 close to the base layer 1, one end of the plug wire 8 is welded with the flat wire mesh 24, penetrates through the cavity structure 27 formed by the template member 26, penetrates through the heat-insulating slab layer 2, penetrates through the metal plate 6 and is inserted into the existing wall body 5, so that the effect of fixing the heat-insulating slab layer 2 and the metal plate 6 is achieved, the existing wall body 5 is fixed together, concrete pouring is facilitated, and displacement does not occur during concrete pouring; fixing the template support 4 outside the flat wire mesh sheet 24, and fixing the flat wire mesh sheet 24 and the rectangular groove-shaped wire mesh sheet; a gap 9 with the same thickness as the heat insulation slab layer 2 is reserved between the heat insulation slab layer 2 and the existing wall body 5 through the plug wires 8, and concrete is reserved in the gap 9; and arranging a building template 7 on one side of the base layer 1 far away from the heat insulation plate layer 2, pouring concrete into the cavity structure 27, the base layer 1 and the gap 9 respectively, dismantling the building template 7 when certain strength is reached, and finishing construction of the cast-in-place concrete built-in heat insulation wall body after concrete is hardened.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The cast-in-place concrete built-in heat insulation wall is characterized by comprising a base layer (1) and a heat insulation plate layer (2), wherein the base layer (1) is positioned on one side of the heat insulation plate layer (2);
the heat insulation plate layer (2) comprises a reinforcing layer (21), and both sides of the reinforcing layer (21) are sequentially provided with a heat insulation layer (22) and a connecting layer (23);
the connecting layer (23) on one side of the heat-insulating plate layer (2) is connected to the base layer (1);
the base layer (1) is poured into concrete by adopting a concrete cast-in-place method;
two sides of the heat-insulating layer (22) are provided with cement polymer sheets;
the enhancement layer (21) is a plurality of layers of glass fiber mesh cloth;
a flat steel wire mesh sheet (24) and a rectangular groove-shaped steel wire mesh sheet (25) are sequentially arranged on one side, close to the base layer (1), of the connecting layer (23) close to the base layer (1), the flat steel wire mesh sheet (24) and the rectangular groove-shaped steel wire mesh sheet (25) are combined to form a template component (26) with a groove structure, and a cavity structure (27) is formed between the flat steel wire mesh sheet (24) and the rectangular groove-shaped steel wire mesh sheet (25) after combination;
a plurality of template supporting pieces (4) for tightly and fixedly connecting the flat wire mesh sheet (24) and the rectangular groove-shaped steel wire mesh sheet (25) are arranged at the joint position of the flat wire mesh sheet (24) and the rectangular groove-shaped steel wire mesh sheet (25);
the utility model discloses a heat preservation board layer (2) one side in addition be provided with metal sheet (6) between articulamentum (23) and current wall body (5), metal sheet (6) are broken line shape, evenly be provided with a plurality of second through-holes (61) on metal sheet (6), second through-hole (61) are by the stamping die punching press metal sheet (6) form and punching press extrusion part (62) of metal sheet (6) do not break away from on one side metal sheet (6), extrusion part (62) divide into the first fin towards heat preservation board layer (2) and the second fin towards current wall body (5), and first fin point thorn type, second fin are triangle-shaped, and first fin stretches into in heat preservation (2).
2. The cast-in-place concrete built-in thermal insulation wall body as claimed in claim 1, wherein the formwork support member (4) is in a cuboid shape, a plurality of first through holes (41) are formed in the upper surface and the lower surface of the formwork support member (4), the first through holes (41) are uniformly distributed, and the first through holes (41) are connected through bolts (42).
3. A cast-in-place concrete built-in thermal insulation wall body according to claim 1, characterized in that the bonding between the connecting layer (23) and the thermal insulation layer (22) and between the thermal insulation layer (22) and the reinforcing layer (21) are all achieved by an adhesive (3).
4. The cast-in-place concrete thermal insulation wall body as claimed in claim 1, wherein a flame retardant molded polystyrene foam board is arranged in the thermal insulation layer (22).
5. A cast-in-place concrete built-in thermal insulation wall body as claimed in claim 1, characterized in that a cement-based rendering waterproof mortar is arranged between the base layer (1) and the connecting layer (23).
6. A cast-in-place concrete built-in thermal insulation wall body as claimed in claim 1, characterized in that both sides of the thermal insulation slab layer (2) are provided with a convex and concave structure.
7. A cast-in-place concrete built-in thermal insulation wall according to claim 3, characterized in that the adhesive (3) is a cement-based adhesive.
8. A construction method of a cast-in-place concrete built-in thermal insulation wall body as claimed in any one of claims 1 to 7, characterized by comprising the following steps:
s1, placing the template component (26) on the outer side of the connecting layer (23) close to the base layer (1);
s2, welding one end of a plug wire (8) with the flat wire mesh (24), penetrating through the cavity structure (27) formed by the template component (26), penetrating through the heat-preservation plate layer (2), penetrating through the metal plate (6), and inserting into the existing wall body (5);
s3, fixing the template support (4) on the outer side of the flat wire mesh sheet (24);
s4, reserving a gap (9) with the same thickness as the heat-preservation slab (2) between the heat-preservation slab (2) and the existing wall (5) through the plug wires (8);
s5, arranging a building template (7) on one side of the base layer (1) far away from the heat insulation plate layer (2), respectively pouring concrete into the cavity structure (27), the base layer (1) and the gap (9), and dismantling the building template (7) when certain strength is achieved;
and S6, finishing the construction of the cast-in-place concrete built-in heat insulation wall after the concrete is hardened.
CN201810734210.1A 2018-08-20 2018-08-20 Cast-in-place concrete built-in heat insulation wall and construction method Active CN108915117B (en)

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