CN111764531A - Prefabricated sandwich heat preservation wall body drawknot spare, prefabricated sandwich heat preservation wall body and building - Google Patents
Prefabricated sandwich heat preservation wall body drawknot spare, prefabricated sandwich heat preservation wall body and building Download PDFInfo
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- CN111764531A CN111764531A CN202010620205.5A CN202010620205A CN111764531A CN 111764531 A CN111764531 A CN 111764531A CN 202010620205 A CN202010620205 A CN 202010620205A CN 111764531 A CN111764531 A CN 111764531A
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- 238000004321 preservation Methods 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 76
- 238000009413 insulation Methods 0.000 claims abstract description 64
- 238000005452 bending Methods 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000003733 fiber-reinforced composite Substances 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004567 concrete Substances 0.000 description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 12
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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Abstract
The invention relates to a prefabricated sandwich heat-insulating wall body tie piece, a prefabricated sandwich heat-insulating wall body and a building, and relates to the technical field of cameras. The main technical scheme adopted is as follows: prefabricated sandwich thermal insulation wall body drawknot spare, it includes: the metal core body is in a continuous bending shape extending towards the preset direction, at least one bending frame with an opening at one side and connecting legs positioned at two ends are formed, and the connecting legs are connected with the opening of the bending frame and extend towards two opposite sides; the fiber reinforced composite material layer is wrapped on the outer surface of the metal core body; the part, far away from the opening, of the bending frame of the metal core body is used for being arranged in the first side wall body, the part, close to the opening, of the bending frame is used for being arranged in the heat preservation plate, and the connecting legs are used for being arranged in the second side wall body. The problem of current drawknot spare anchor not firm produce the outer leaf wall and drop easily to and current drawknot spare ductility is relatively poor takes place the instant fracture of no sign easily is solved.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a prefabricated sandwich heat-insulating wall body tie piece, a prefabricated sandwich heat-insulating wall body and a building.
Background
The prefabricated sandwich heat-insulating wall body is a prefabricated external wall plate which is formed by clamping a heat-insulating material between two layers of concrete wall plates, and the way of clamping the heat-insulating material in the middle of concrete not only ensures the heat-insulating property of the wall body, but also solves the fire-proof property of the heat-insulating plate, and simultaneously achieves the purpose that the heat-insulating layer and the wall body have the same service life, and the prefabricated sandwich heat-insulating wall body becomes the mainstream technology of an assembly type building.
The prefabricated sandwich heat-insulating wall body can be designed to be stressed in a combined or non-combined mode. For the non-combined prefabricated sandwich heat-insulation wall body, the outer leaf wall and the heat-insulation plate are connected with the inner leaf wall through the pulling piece, and the load of the outer leaf wall and the load of the heat-insulation plate are transmitted to the inner leaf wall through the pulling piece. Therefore, the tie pieces play a role in tying three structural layers of the prefabricated sandwich heat-insulation wall body, not only bear the dead weight of the outer leaf wall and the heat-insulation plate, but also bear other loads such as wind load, earthquake action and the like, and therefore the tie pieces need to have certain strength.
However, the existing tie pieces are made into a structure with two ends of larger-size anchors relative to the middle part, so that the requirement on construction quality is higher, once the tie pieces are not installed in place or are not firmly anchored in concrete, the connecting pieces are easy to pull out, so that the outer leaf wall falls off, and quality and safety accidents occur; and the existing pulling piece is made of GFRP (glass fiber reinforced plastics), the damage type is brittle damage, and the connecting piece is instantaneously broken without obvious signs, so that the structure safety is not facilitated.
Disclosure of Invention
The invention mainly aims to provide a prefabricated sandwich heat-insulating wall body tie member with a novel structure, a prefabricated sandwich heat-insulating wall body and a building, which can solve the problems that the existing tie member is not firmly anchored and an outer leaf wall is easy to fall off, and the existing tie member is poor in ductility and easy to cause symptom-free instant fracture.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the prefabricated sandwich thermal insulation wall body tie piece provided by the invention, the prefabricated sandwich thermal insulation wall body tie piece comprises:
the metal core body is in a continuous bending shape extending towards a preset direction, at least one bending frame with an opening at one side and connecting legs positioned at two ends are formed, and the connecting legs are connected with the opening of the bending frame and extend towards two opposite sides;
the fiber reinforced composite material layer is wrapped on the outer surface of the metal core;
the part, far away from the opening, of the bending frame of the metal core body is used for being arranged in the first side wall body, the part, close to the opening, of the bending frame is used for being arranged in the heat preservation plate, and the connecting legs are used for being arranged in the second side wall body.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Optionally, the prefabricated sandwich thermal insulation wall tie member is provided with a bending frame in a U shape, a V shape or a circular arc shape.
Optionally, in the prefabricated sandwich thermal insulation wall tie member, the number of the bent frame is one, and the two connecting legs are respectively connected to two ends of the opening of the bent frame.
Optionally, the number of the bending frames is two or more, and two of the connecting legs are respectively connected with the open ends of the two outermost bending frames.
Optionally, in the prefabricated sandwich thermal insulation wall tie member, the connecting legs are located on the same straight line;
or the connecting legs are bent towards one side far away from the opening of the bending frame, and the included angle between the two connecting legs is an obtuse angle.
Optionally, in the prefabricated sandwich thermal insulation wall tie member, the metal core is a steel strand, or the metal core is a metal bar with a preset strength.
Optionally, in the prefabricated sandwich thermal insulation wall tie member, the material used in the fiber reinforced composite material layer is glass fiber, basalt fiber or carbon fiber.
Optionally, the prefabricated sandwich insulation wall fastener, wherein the surface of the fiber reinforced composite material layer on the side facing away from the metal core is provided with continuous threads;
or the surface of the fiber reinforced composite material layer on the side facing away from the metal core body is provided with a plurality of spaced ring grooves;
or the surface of the fiber reinforced composite material layer on the side away from the metal core body has preset roughness.
The object of the present invention and the technical problem to be solved are achieved by the following means. According to the invention, the prefabricated sandwich thermal insulation wall body comprises: prefabricating a sandwich heat-insulating wall body tie piece;
prefabricated sandwich thermal insulation wall body drawknot spare includes:
the metal core body is in a continuous bending shape extending towards a preset direction, at least one bending frame with an opening at one side and connecting legs positioned at two ends are formed, and the connecting legs are connected with the opening of the bending frame and extend towards two opposite sides;
the fiber reinforced composite material layer is wrapped on the outer surface of the metal core, and the surface of one side, away from the metal core, of the fiber reinforced composite material layer is provided with a preset texture;
the part, far away from the opening, of the bending frame of the metal core body is used for being arranged in the first side wall body, the part, close to the opening, of the bending frame is used for being arranged in the heat preservation plate, and the connecting legs are used for being arranged in the second side wall body.
The object of the present invention and the technical problem to be solved are achieved by the following means. According to the present invention, there is provided a building comprising: prefabricating a sandwich heat-insulating wall;
prefabricated sandwich thermal insulation wall includes:
prefabricating a sandwich heat-insulating wall body tie piece;
prefabricated sandwich thermal insulation wall body drawknot spare includes:
the metal core body is in a continuous bending shape extending towards a preset direction, at least one bending frame with an opening at one side and connecting legs positioned at two ends are formed, and the connecting legs are connected with the opening of the bending frame and extend towards two opposite sides;
the fiber reinforced composite material layer is wrapped on the outer surface of the metal core, and the surface of one side, away from the metal core, of the fiber reinforced composite material layer is provided with a preset texture;
the part, far away from the opening, of the bending frame of the metal core body is used for being arranged in the first side wall body, the part, close to the opening, of the bending frame is used for being arranged in the heat preservation plate, and the connecting legs are used for being arranged in the second side wall body.
By the technical scheme, the prefabricated sandwich heat-insulating wall body tie piece, the prefabricated sandwich heat-insulating wall body and the building at least have the following advantages:
the prefabricated sandwich heat-insulating wall body pulling piece provided by the embodiment of the invention is integrally in a continuous bent shape, the formed bent frame and the formed connecting legs can be respectively arranged in the wall bodies on the two sides of the prefabricated sandwich heat-insulating wall body, and the bent frame and the connecting legs can be respectively hooked with the reinforcing steel bars in the wall bodies on the two sides. Compared with the pull-joint piece in a linear state in the prior art, the pull-joint piece is connected with the concrete of the wall body only by virtue of the solidification bonding force between the pull-joint piece and the concrete of the wall body, the pull-joint piece of the prefabricated sandwich heat-insulation wall body provided by the embodiment of the invention has the advantages that the volume of the pull-joint piece extending into the wall bodies at two sides is large, the contact area with the concrete is large, the solidification bonding force is greatly improved, the pull-joint piece can be hooked with the reinforcing steel bars in the wall body, the capacity of connecting the wall bodies at two sides can be further improved, the connection between the wall bodies at two sides is firmer, the pull-out condition from.
In addition, the prefabricated sandwich thermal insulation wall pulling piece provided by the embodiment of the invention is a combination of the metal core and the fiber reinforced composite material, not only has the strength of the fiber reinforced composite material, but also has the ductility of metal, so that the brittle failure condition of the pulling piece in the prior art can not occur, if an accident occurs, the fiber reinforced composite material layer on the outer layer can be firstly damaged, then the metal core inside can be deformed to a certain degree, the wall can be prevented from directly falling off, an obvious wall damage sign is displayed, and a user is prompted to maintain or avoid the pulling piece.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a prefabricated sandwich thermal insulation wall tie member provided by an embodiment of the invention;
FIG. 2 is a schematic structural view of a prefabricated sandwich thermal insulation wall using prefabricated sandwich thermal insulation wall tie members according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a prefabricated sandwich thermal insulation wall using another prefabricated sandwich thermal insulation wall tie member according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a prefabricated sandwich thermal insulation wall tie member according to the embodiment of the invention;
fig. 5 is a schematic structural diagram of another prefabricated sandwich thermal insulation wall fastener provided by the embodiment of the invention.
In the attached drawings 1-5, the reference numbers are respectively:
the method comprises the following steps of 1-a metal core body, 11-a bent frame, 12-connecting legs, 2-a fiber reinforced composite material layer, 3-a first side wall body, 4-a second side wall body and 5-a heat insulation plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the prefabricated sandwich thermal insulation wall tie member, the prefabricated sandwich thermal insulation wall and the building according to the present invention, with reference to the accompanying drawings and preferred embodiments, will be made as follows. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Example one
As shown in fig. 1 to 5, a prefabricated sandwich thermal insulation wall tie according to an embodiment of the present invention includes: the metal core body 1 is in a continuous bending shape extending towards a preset direction, at least one bending frame 11 with an opening at one side and connecting legs 12 positioned at two ends are formed, and the connecting legs 12 are connected with the opening of the bending frame 11 and extend towards two opposite sides; the fiber reinforced composite material layer 2 is wrapped on the outer surface of the metal core body 1; wherein, the part of the bending frame 11 far away from the opening of the metal core 1 is used for being arranged in the first side wall 3, the part of the bending frame 11 near the opening is used for being arranged in the heat preservation plate 5, and the connecting leg 12 is used for being arranged in the second side wall 4.
Specifically, the metal core 1 needs to have certain strength so as to be capable of stably connecting the two side walls, that is, the metal core 1 needs to be designed in strength according to the volume, weight and the like of the two side walls to be connected, and it should be noted that the prefabricated sandwich heat-insulating wall tie member provided by the embodiment of the present invention needs to select a proper number according to the size of the area of the two side walls to be connected between the two side walls, and simultaneously, the strength of the metal core 1 is calculated according to the overall stress requirement. The strength of the metal core 1 may be adjusted by adjusting the sectional area of the metal core 1 and adjusting the metal material used for the metal core 1. The material used for the metal core 1 may be steel.
The preset direction of the metal core 1 is a direction set for convenience of describing the structure of the metal core 1, and is not limited by features. The metal core 1 extends in a predetermined direction, i.e., the continuous curve extends in a direction other than a curve or arc. The metal core 1 is not bent and has a rod shape, and the bent frame 11 having an opening on one side formed by bending may be U-shaped, V-shaped, W-shaped, or arc-shaped, and one or a plurality of bent frames 11 may be arranged side by side. The connecting legs 12 are a portion of the metal core 1 at the initial position and a portion of the end position when extended, i.e., both sides of the entire metal core 1, and the two connecting legs 12 are connected to the ends of the bent frame 11, respectively, and for practical purposes, the two connecting legs 12 are preferably extended in opposite directions.
The fiber reinforced composite material layer 2 is formed by directly molding the fiber reinforced composite material on the surface of the metal core body 1, the effect of increasing the overall strength is achieved, and the thickness of the fiber reinforced composite material layer 2 can be set according to the overall strength requirement of the prefabricated sandwich heat-insulating wall body tie piece. In addition, in order to increase the bonding force between the prefabricated sandwich thermal insulation wall tie member and the concrete, the surface of the fiber reinforced composite material layer 2 facing away from the metal core 1 needs to be provided with a certain roughness or an uneven surface, for example, the surface can be provided in a continuous thread shape, or a plurality of spaced ring grooves.
The prefabricated sandwich heat-insulating wall body tie piece provided by the embodiment of the invention has the following use mode:
the reinforcing steel bars for binding the first side wall body 3 can be inner leaf walls or outer leaf walls, one side of the connecting leg 12 of the prefabricated sandwich heat-insulating wall body tie piece provided by the embodiment of the invention is placed in the reinforcing steel bars and is bound together with the reinforcing steel bars, and a plurality of prefabricated sandwich heat-insulating wall body tie pieces can be used as required to perform concrete pouring on the side wall body; pre-slotting the heat-insulation plate 5, aligning the positions of the slotting to prefabricated sandwich heat-insulation wall tie pieces, and mounting the heat-insulation plate 5 on the side wall; binding reinforcing steel bars of a second side wall body 4, wherein the side wall body is an outer leaf wall or an inner leaf wall corresponding to a wall body which is just poured, connecting one side, away from the bent frame 11, of the metal core body 1 of the prefabricated sandwich heat-insulation wall body tie piece with the reinforcing steel bars, enabling part of the reinforcing steel bars to penetrate into the bent frame 11, namely penetrating through the bent frame 11, and then pouring the side wall body; maintaining the component and demoulding the component. And finishing the manufacture of the prefabricated sandwich heat-insulating wall body.
The prefabricated sandwich heat-insulating wall body pulling piece provided by the embodiment of the invention is integrally in a continuous bent shape, the formed bent frame 11 and the formed connecting legs 12 can be respectively arranged in the wall bodies at two sides of the prefabricated sandwich heat-insulating wall body, and the bent frame 11 and the connecting legs 12 can be respectively hooked with the reinforcing steel bars in the wall bodies at two sides. Compared with the pull-joint piece in a linear state in the prior art, the pull-joint piece is connected with the concrete of the wall body only by virtue of the solidification bonding force between the pull-joint piece and the concrete of the wall body, the pull-joint piece of the prefabricated sandwich heat-insulation wall body provided by the embodiment of the invention has the advantages that the volume of the pull-joint piece extending into the wall bodies at two sides is large, the contact area with the concrete is large, the solidification bonding force is greatly improved, the pull-joint piece can be hooked with the reinforcing steel bars in the wall body, the capacity of connecting the wall bodies at two sides can be further improved, the connection between the wall bodies at two sides is firmer, the pull-out condition from.
In addition, the prefabricated sandwich thermal insulation wall pulling piece provided by the embodiment of the invention is a combination of the metal core body 1 and the fiber reinforced composite material, not only has the strength of the fiber reinforced composite material, but also has the ductility of metal, so that the brittle failure condition of the pulling piece in the prior art can not occur, if an accident occurs, the outer fiber reinforced composite material layer 2 can be firstly damaged, then the inner metal core body 1 can be deformed to a certain extent, the wall body is prevented from directly falling off, an obvious wall body damage sign is displayed, and a user is prompted to maintain or avoid the pulling piece.
As shown in fig. 1 to 3, in an implementation, the number of the bending frame 11 may be one, and the two connecting legs 12 are respectively connected to two ends of the opening of the bending frame 11.
Specifically, when the bending frame 11 is arranged to be one, the bending frame 11 may be arranged to be U-shaped, so that the prefabricated sandwich thermal insulation wall tie member is overall in a zigzag shape, and the fiber reinforced composite material layer 2 may be formed on the formed metal core 1 by continuously bending and forming the metal core 1.
Alternatively, as shown in fig. 4 and 5, the number of the bending frames 11 is two or more, two or more bending frames 11 are continuously bent and formed, adjacent two bending frames 11 have a predetermined interval, and the bending frames 11 located at the outermost sides, i.e., both ends, have an end connected to the connecting leg 12. I.e., whether one bending frame 11 or a plurality of bending frames 11, the connecting legs 12 are located at both ends of the entire metal core 1.
Further, the connecting legs 12 may be disposed to be located on the same straight line; or, the connecting legs 12 are bent towards one side far away from the opening of the bending frame 11, and an included angle between the two connecting legs 12 is an obtuse angle.
Specifically, the connection leg 12 may be provided in a straight line shape for convenience of processing, but is not limited to the straight line shape, and the connection leg 12 may also be provided in a bent structure to increase the coupling force of the connection leg 12 with the first sidewall 3.
In the specific implementation, in order to ensure the strength and ductility of the metal core 1, a steel strand is preferably used as the metal core 1. Alternatively, the metal core 1 may be made of a metal bar, such as a stainless steel bar, which may be round or rectangular in cross-section, as the strength and ductility allow.
In specific implementation, the fiber reinforced composite material layer 2 of the prefabricated sandwich thermal insulation wall body tie member can be made of glass fiber, basalt fiber or carbon fiber.
Example two
The second embodiment of the invention provides a prefabricated sandwich thermal insulation wall, which comprises: as shown in fig. 1-5, prefabricated sandwich thermal insulation wall tie pieces; prefabricated sandwich thermal insulation wall body drawknot spare includes: the metal core body 1 is in a continuous bending shape extending towards a preset direction, at least one bending frame 11 with an opening at one side and connecting legs 12 positioned at two ends are formed, and the connecting legs 12 are connected with the opening of the bending frame 11 and extend towards two opposite sides;
the fiber reinforced composite material layer 2 is wrapped on the outer surface of the metal core 1, and the surface of the fiber reinforced composite material layer 2, which is far away from the metal core 1, is provided with a preset texture;
wherein, the part of the bending frame 11 far away from the opening of the metal core 1 is used for being arranged in the first side wall 3, the part of the bending frame 11 near the opening is used for being arranged in the heat preservation plate 5, and the connecting leg 12 is used for being arranged in the second side wall 4.
Specifically, the prefabricated sandwich thermal insulation wall tie member provided in the first embodiment can be directly used as the prefabricated sandwich thermal insulation wall tie member in the second embodiment, and the specific implementation structure can refer to the relevant contents described in the first embodiment, and details are not described here.
The whole drawknot piece used for the prefabricated sandwich heat-insulating wall body provided by the embodiment of the invention is in a continuous bent shape, the formed bent frame 11 and the formed connecting legs 12 can be respectively arranged in the wall bodies at two sides of the prefabricated sandwich heat-insulating wall body, and the bent frame 11 and the connecting legs 12 can be respectively hooked with the steel bars in the wall bodies at two sides. Compared with the pull-joint piece in a linear state in the prior art, the pull-joint piece is connected with the concrete of the wall body only by virtue of the solidification bonding force between the pull-joint piece and the concrete of the wall body, the pull-joint piece of the prefabricated sandwich heat-insulation wall body provided by the embodiment of the invention has the advantages that the volume of the pull-joint piece extending into the wall bodies at two sides is large, the contact area with the concrete is large, the solidification bonding force is greatly improved, the pull-joint piece can be hooked with the reinforcing steel bars in the wall body, the capacity of connecting the wall bodies at two sides can be further improved, the connection between the wall bodies at two sides is firmer, the pull-out condition from.
In addition, the prefabricated sandwich thermal insulation wall pulling piece provided by the embodiment of the invention is a combination of the metal core body 1 and the fiber reinforced composite material, not only has the strength of the fiber reinforced composite material, but also has the ductility of metal, so that the brittle failure condition of the pulling piece in the prior art can not occur, if an accident occurs, the outer fiber reinforced composite material layer 2 can be firstly damaged, then the inner metal core body 1 can be deformed to a certain extent, the wall body is prevented from directly falling off, an obvious wall body damage sign is displayed, and a user is prompted to maintain or avoid the pulling piece.
EXAMPLE III
The third embodiment of the present invention provides a building, which includes: prefabricating a sandwich heat-insulating wall; prefabricated sandwich thermal insulation wall includes: prefabricated sandwich thermal insulation wall tie pieces as shown in figures 1-5; prefabricated sandwich thermal insulation wall body drawknot spare includes:
the metal core body 1 is in a continuous bending shape extending towards a preset direction, at least one bending frame 11 with an opening at one side and connecting legs 12 positioned at two ends are formed, and the connecting legs 12 are connected with the opening of the bending frame 11 and extend towards two opposite sides;
the fiber reinforced composite material layer 2 is wrapped on the outer surface of the metal core 1, and the surface of the fiber reinforced composite material layer 2, which is far away from the metal core 1, is provided with a preset texture;
wherein, the part of the bending frame 11 far away from the opening of the metal core 1 is used for being arranged in the first side wall 3, the part of the bending frame 11 near the opening is used for being arranged in the heat preservation plate 5, and the connecting leg 12 is used for being arranged in the second side wall 4.
Specifically, the prefabricated sandwich thermal insulation wall tie member provided in the first embodiment can be directly used as the prefabricated sandwich thermal insulation wall tie member in the third embodiment, and the specific implementation structure can refer to the relevant contents described in the first embodiment, and is not described herein again.
The building provided by the embodiment of the invention is built by using the prefabricated sandwich heat-insulating wall. The whole of the drawknot piece used for the prefabricated sandwich heat-insulating wall body is in a continuous bent shape, the formed bent frame 11 and the formed connecting legs 12 can be respectively arranged in the wall bodies on the two sides of the prefabricated sandwich heat-insulating wall body, and the bent frame 11 and the connecting legs 12 can be respectively hooked with the steel bars in the wall bodies on the two sides. Compared with the pull-joint piece in a linear state in the prior art, the pull-joint piece is connected with the concrete of the wall body only by virtue of the solidification bonding force between the pull-joint piece and the concrete of the wall body, the pull-joint piece of the prefabricated sandwich heat-insulation wall body provided by the embodiment of the invention has the advantages that the volume of the pull-joint piece extending into the wall bodies at two sides is large, the contact area with the concrete is large, the solidification bonding force is greatly improved, the pull-joint piece can be hooked with the reinforcing steel bars in the wall body, the capacity of connecting the wall bodies at two sides can be further improved, the connection between the wall bodies at two sides is firmer, the pull-out condition from.
In addition, the prefabricated sandwich thermal insulation wall pulling piece provided by the embodiment of the invention is a combination of the metal core body 1 and the fiber reinforced composite material, not only has the strength of the fiber reinforced composite material, but also has the ductility of metal, so that the brittle failure condition of the pulling piece in the prior art can not occur, if an accident occurs, the outer fiber reinforced composite material layer 2 can be firstly damaged, then the inner metal core body 1 can be deformed to a certain extent, the wall body is prevented from directly falling off, an obvious wall body damage sign is displayed, and a user is prompted to maintain or avoid the pulling piece.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a prefabricated sandwich thermal insulation wall body drawknot spare which characterized in that includes:
the metal core body is in a continuous bending shape extending towards a preset direction, at least one bending frame with an opening at one side and connecting legs positioned at two ends are formed, and the connecting legs are connected with the opening of the bending frame and extend towards two opposite sides;
the fiber reinforced composite material layer is wrapped on the outer surface of the metal core;
the part, far away from the opening, of the bending frame of the metal core body is used for being arranged in the first side wall body, the part, close to the opening, of the bending frame is used for being arranged in the heat preservation plate, and the connecting legs are used for being arranged in the second side wall body.
2. The prefabricated sandwich thermal insulation wall tie member of claim 1,
the bending frame is U-shaped, V-shaped or arc-shaped.
3. The prefabricated sandwich thermal insulation wall tie member of claim 2,
the number of the bent frame is one, and the two connecting legs are respectively connected with two ends of the opening of the bent frame.
4. The prefabricated sandwich thermal insulation wall tie member of claim 2,
the number of the bent frames is two or more, and the two connecting legs are respectively connected with the end parts of the openings of the two bent frames on the outermost side.
5. The prefabricated sandwich thermal insulation wall tie member according to any one of claims 1 to 4,
the connecting legs are positioned on the same straight line;
or the connecting legs are bent towards one side far away from the opening of the bending frame, and the included angle between the two connecting legs is an obtuse angle.
6. The prefabricated sandwich thermal insulation wall tie member of claim 1,
the metal core is a steel strand, or the metal core is a metal bar with preset strength.
7. The prefabricated sandwich thermal insulation wall tie member of claim 1,
the fiber reinforced composite material layer is made of glass fiber, basalt fiber or carbon fiber.
8. The prefabricated sandwich thermal insulation wall tie member of claim 7,
the surface of the fiber reinforced composite material layer on the side facing away from the metal core is provided with continuous threads;
or the surface of the fiber reinforced composite material layer on the side facing away from the metal core body is provided with a plurality of spaced ring grooves;
or the surface of the fiber reinforced composite material layer on the side away from the metal core body has preset roughness.
9. The utility model provides a prefabricated sandwich thermal insulation wall which characterized in that, it includes:
the prefabricated sandwich insulation wall tie of any of claims 1-8.
10. A building, characterized in that it comprises:
a prefabricated sandwich thermal wall as claimed in claim 9.
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| CN202010620205.5A CN111764531A (en) | 2020-07-01 | 2020-07-01 | Prefabricated sandwich heat preservation wall body drawknot spare, prefabricated sandwich heat preservation wall body and building |
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Application publication date: 20201013 |