CN113047515B - Connection structure of sandwich wallboard, sandwich wallboard and preparation method of sandwich wallboard - Google Patents
Connection structure of sandwich wallboard, sandwich wallboard and preparation method of sandwich wallboard Download PDFInfo
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- CN113047515B CN113047515B CN202110313680.2A CN202110313680A CN113047515B CN 113047515 B CN113047515 B CN 113047515B CN 202110313680 A CN202110313680 A CN 202110313680A CN 113047515 B CN113047515 B CN 113047515B
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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
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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Abstract
A connection structure of a sandwich wallboard, the sandwich wallboard and a preparation method thereof are disclosed, wherein the connection structure comprises: the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle; the first section connecting rod is connected with the second end of the first section structural rod and the second end of the third section structural rod; the first hook-shaped structure is arranged at the second end of the second section of structural rod, and the second hook-shaped structure is arranged at the second end of the fourth section of structural rod; the first included angle and the second included angle are used for setting steel bars in the outer page wall in the first direction, and the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure are used for setting steel bars in the outer page wall in the second direction so as to connect the outer page wall, the heat preservation layer and the inner page wall, and the first direction is perpendicular to the second direction.
Description
Technical Field
The present application relates to the field of building connection structures, and more particularly, to a connection structure of a sandwich wall panel, a sandwich wall panel and a preparation method thereof.
Background
With the continuous development of the assembly type buildings, the precast concrete sandwich wall panel is gradually becoming the development trend of the outer wall of the assembly type buildings due to the good energy-saving and heat-insulating performance, durability and fireproof performance of the precast concrete sandwich wall panel. The sandwich wallboard comprises an outer leaf wallboard, an insulating layer and an inner leaf wallboard, and is a non-combined precast concrete sandwich insulating outer wallboard formed by connecting a supporting and connecting system, which is also called a sandwich wallboard. The sandwich wallboard is used as a vertical bearing component of an assembly structure and is popularized and used in numerous domestic engineering projects. The supporting and connecting system is a key structure for connecting the inner leaf wall board, the outer leaf wall board and the heat-insulating layer, so that the performance of the supporting and connecting system plays a crucial role in improving and improving the performance of the prefabricated sandwich wall body.
Disclosure of Invention
The embodiment of the application provides a connection structure of sandwich wallboard, sandwich wallboard and preparation method thereof, and the connection structure of sandwich wallboard provided by the embodiment of the application effectively improves the stress structure of sandwich wallboard, reduces the heat bridge effect that the connection structure constructs, easily prepares, and the installation is simple.
In a first aspect, a connection structure of sandwich wallboard is provided, sandwich wallboard includes outer page or leaf wall, heat preservation, interior page or leaf wall, connection structure is integrated into one piece's bar type connection structure, bar type connection structure includes: the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle; a first section of connecting rod connecting the second end of the first section of structural rod and the second end of the third section of structural rod; the first hook-shaped structure is arranged at the second end of the second section of structural rod, and the second hook-shaped structure is arranged at the second end of the fourth section of structural rod; the first included angle and the second included angle are used for setting steel bars in the outer page wall in a first direction, the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure are used for setting steel bars in the outer page wall in a second direction so as to connect the outer page wall, the heat insulation layer and the inner page wall, and the first direction is perpendicular to the second direction.
It should be understood that the heat preservation of sandwich wallboard sets up between interior page or leaf wall and outer page or leaf wall, colludes the column structure and can be circular, the crotch of point shape, also can be other colluding column structures that have the end of buckling.
The rod-shaped connecting structure can be tightly connected with the inner leaf wall, the heat insulation layer and the outer leaf wall of the sandwich wallboard, on one hand, the rod-shaped connecting structure reduces the passing area of the connecting structure passing through the heat insulation layer, and the cross-sectional area of the rod-shaped connecting piece on the plane of the heat insulation layer effectively reduces the heat bridge effect between the inner leaf wall and the outer leaf wall caused by the fact that the connecting structure passes through the heat insulation layer, and improves the heat insulation performance of the sandwich wallboard; on the other hand, the rod-shaped connecting structure is an integrally processed double-rod model, welding is not needed, preparation is convenient, shaking in the direction vertical to the plane of the wallboard is not easy to generate in the assembling process of the double-rod model, the installation process is simplified, and installation is convenient.
In one possible implementation, the rod-type connection structure is a stainless steel rod-type connection structure.
In this embodiment, adopt the stainless steel that coefficient of heat conductivity is low as the material of bar type connection structure, can further weaken interior page or leaf wall and the direct heat bridge of outer page or leaf wall, further strengthen the thermal insulation performance of sandwich wallboard.
In one possible implementation, the first section of connecting rod is parallel to the first direction.
In this embodiment, first section connecting rod is parallel with the first direction, also set up in first section connecting rod in interior page or leaf wall promptly and along the first direction setting with outer page or leaf wall in the reinforcing bar parallel for outer page or leaf wall has better depth of parallelism with interior page or leaf wall, makes the sandwich wallboard have better roughness, improves the quality of sandwich wallboard.
In a possible implementation manner, the first section of structural rod is parallel to the third section of structural rod, the second section of structural rod is parallel to the fourth section of structural rod, and the first included angle is equal to the second included angle.
In one possible implementation, the first end of the first section of structural rod is connected to the first end of the second section of structural rod through a second section of connecting rod; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod through a third section of connecting rod.
In this embodiment, be provided with second section connecting rod and third section connecting rod between first section structural rod and second section structural rod, between third section structural rod and the fourth section structural rod, have the contained angle between connecting rod and every section structural rod respectively, the position of the interior reinforcing bar of the interior page or leaf wall that more convenient fixed set up along first direction for connection structure is convenient for more install, and the stress point is more clear.
In one possible implementation, the first included angle is in a range of 50 ° to 70 ° and the second included angle is in a range of 50 ° to 70 °.
In a possible realization, the bar-type connection has a circular cross-section with a diameter of 6-12mm.
In a possible implementation manner, the length L1 of the first section of structural rod is greater than the length L2 of the second section of structural rod, the length L3 of the third section of structural rod is greater than the length L4 of the fourth section of structural rod, and the connecting structure is used for connecting the outer leaf wall, the heat insulation layer and the inner leaf wall and supporting the shearing force and the load in the vertical direction borne by the sandwich wallboard.
In a possible implementation manner, the first section of structural rod and the third section of structural rod are parallel and have the same length, the second section of structural rod and the fourth section of structural rod are parallel and have the same length, the first included angle and the second included angle are equal and have an angle of alpha,
L2＝L4＝L1 cosɑ＝L3 cosɑ＝H1 cotɑ，
h1 is the distance from the second end of the first section of structural rod to the second section of structural rod, H1 is larger than or equal to 200mm and smaller than or equal to 800mm, and L1 is larger than or equal to 180mm and smaller than or equal to 420mm.
In a possible implementation manner, the length L1 of the first section of structural rod is equal to the length L2 of the second section of structural rod, the length L3 of the third section of structural rod is equal to the length L4 of the fourth section of structural rod, and the connecting structure is used for connecting the outer leaf wall, the heat insulation layer and the inner leaf wall and supporting the shear force and the load in the horizontal direction borne by the sandwich wall board.
In a possible implementation manner, the first section of structural rod and the third section of structural rod are parallel and have the same length, the second section of structural rod and the fourth section of structural rod are parallel and have the same length, the first included angle and the second included angle are equal and have an angle of alpha,
h2 is the distance from the second end of the first section of structural rod to the second end of the second section of structural rod, H2 is more than or equal to 200mm and less than or equal to 800mm, H is the height of an isosceles triangle with the first included angle as a vertex angle and the first section of structural rod and the second section of structural rod as waists, and H is more than or equal to 180mm and less than or equal to 4200mm.
In a possible implementation manner, the first hook-shaped structure and the second hook-shaped structure are hooks or pointed hooks.
In a second aspect, there is provided a sandwich wallboard comprising: the heat-insulation wall comprises an outer leaf wall, a heat-insulation layer and an inner leaf wall, wherein reinforcing steel bars are arranged in the outer leaf wall and the inner leaf wall; the rod-shaped connecting structure according to any one of the first aspect and any one of the possible implementation manners of the first aspect is used for connecting with the steel bars in the outer leaf wall in the first direction and connecting with the steel bars in the inner leaf wall in the second direction to connect the outer leaf wall, the heat insulation layer and the inner leaf wall, and the first direction is perpendicular to the second direction.
In a third aspect, there is provided a method of making a sandwich wallboard comprising:
provide the connection structure of sandwich wallboard, connection structure is integrated into one piece's pole type connection structure, pole type connection structure includes: the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle; a first section connecting rod connecting the second end of the first section structural rod and the second end of the third section structural rod; the first hook-shaped structure is arranged at the second end of the second section of structural rod, and the second hook-shaped structure is arranged at the second end of the fourth section of structural rod;
arranging transverse and longitudinal reinforcing mesh of the outer leaf wall;
arranging the connecting structure in the transverse and longitudinal reinforcing mesh of the outer page wall, and fixing the connecting structure on the transverse and longitudinal reinforcing mesh of the outer page wall by at least one reinforcing steel bar penetrating through the first included angle and the second included angle from the first direction;
pouring outer leaf wall concrete;
laying a heat-insulating layer;
arranging transverse and longitudinal reinforcing mesh of the inner leaf wall;
fixing the connecting structure on the transverse and longitudinal steel bar net of the inner leaf wall by at least one steel bar penetrating through the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure from a second direction, wherein the first direction is perpendicular to the second direction;
and pouring inner leaf wall concrete.
This application embodiment makes sandwich wallboard through pole type connection structure, and connection structure has the less area that passes through, passes through under the condition of heat preservation at connection structure, has weakened the structural heat bridge that interior page or leaf wall and outer page or leaf wall formed through connection structure, through additional reinforcing bar with connection structure anchor in the horizontal reinforcing bar net of indulging of interior page or leaf wall and outer page or leaf wall, easy operation is convenient, has improved sandwich wallboard's production efficiency.
Drawings
FIG. 1 is a schematic view of a sandwich wall panel attachment configuration according to an embodiment of the present application.
FIG. 2 is another schematic view of a sandwich wall panel attachment configuration in accordance with an embodiment of the present invention.
FIG. 3 is a partial schematic view of a sandwich wall panel attachment structure according to an embodiment of the present application.
FIG. 4 is a schematic view of an assembly of a sandwich wall panel connection structure according to an embodiment of the present application.
FIG. 5 is a schematic view of another sandwich wall panel attachment configuration in accordance with an embodiment of the present application.
FIG. 6 is a schematic view of an alternative sandwich wall panel attachment configuration according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.
The sandwich wallboard has good energy-saving and heat-insulating properties, durability and fireproof performance, and is widely applied to building outer walls. The sandwich wall panel mainly comprises: interior page or leaf wall, heat preservation, outer page or leaf wall, wherein, heat preservation thickness generally is between 100 to 300mm, all is provided with horizontal crisscross steel bar network structure in interior page or leaf wall and the outer page or leaf wall for support concrete structure. Besides the above structure, the sandwich wallboard is also distributed with a connecting structure for connecting the inner leaf wall, the heat preservation layer and the outer leaf wall, and can be divided into two types in function: one is a load-bearing connecting structure used for supporting the shearing force and load borne by the sandwich wallboard; one type is a limiting connection structure which is used for connecting an outer leaf wall and a heat-insulating layer and bearing the axial force vertical to the surface of the outer leaf wall caused by wind load, temperature action and the like.
The shear force and the load borne by the sandwich wall panel specifically comprise: the outer leaf wall and building components (such as bay window plates, PCF (Photonic Crystal fiber) plates and the like) arranged on the outer leaf wall have vertical shearing force generated by self weight, horizontal shearing force generated by factors such as earthquake, strong wind, rotation generated by transportation and hoisting of the wall plate, and axial force vertical to the surface of the wall plate caused by demoulding, wind load and temperature action in the preparation process.
Therefore, as a key structure for connecting the inner leaf wall, the heat-insulating layer and the outer leaf wall, the performance of the bearing connecting piece is very important to the performance influence of the sandwich wallboard. The load-bearing connection structure who sells is mostly board-like drawknot spare, and the atress is complicated, often collide with the steel bar network structure in the inside and outside page or leaf wall when the installation, and because the connecting piece need run through the heat preservation, the cross-section of panel is great, easily forms obvious heat bridge in the heat preservation, has caused great influence to the thermal insulation performance of sandwich wallboard.
In view of this, the application provides a connection structure of sandwich wallboard, simple structure, atress are clear, the installation of being convenient for, and reduced the area of crossing of connection structure and heat preservation greatly, the cross street area of connection structure in the heat preservation when connection structure passes through the heat preservation promptly, improved because the connection structure constructs into the heat bridge effect.
FIG. 1 is a schematic view of a sandwich wall panel connection structure according to an embodiment of the present invention.
A rod-type connection structure 100 of an integrally formed sandwich wall panel comprising:
a first section of structural rod 101, a second section of structural rod 102;
the first end of the first section of structural rod 101 is connected with the first end of the second section of structural rod 102, and a first included angle is formed;
a third segment structural rod 103 and a fourth segment structural rod 104;
the first end of the third section of structural rod 103 is connected with the first end of the fourth section of structural rod 104, and a second included angle is formed;
a first section connecting rod 105, specifically, the first section connecting rod 105 connects the second end of the first section structural rod 101 and the second end of the third section structural rod 103;
the first hook-shaped structure 106 is arranged at the second end of the second section structural rod 102, and the second hook-shaped structure 107 is arranged at the second end of the fourth section structural rod 104;
wherein, first contained angle and second contained angle department are used for setting up the interior reinforcing bar of outer page or leaf wall in the first direction, and first section connecting rod 105, first column structure 106 and second column structure 107 department are used for setting up the interior reinforcing bar of outer page or leaf wall in the second direction to connect outer page or leaf wall, heat preservation and the interior page or leaf wall of sandwich wallboard, first direction perpendicular to second direction.
It should be understood that the angles of the first included angle and the second included angle are both greater than zero, and the first included angle and the second included angle may be equal or unequal.
It should be understood that the sandwich wall panel includes an outer leaf wall, a thermal insulation layer, and an inner leaf wall, the thermal insulation layer being disposed between the outer leaf wall and the inner leaf wall.
It should be understood that the hook-shaped structure described in the embodiments of the present application is used to enable the reinforcing steel bars in the outer leaf wall to be connected with the connecting structure by anchoring through the hook-shaped structure, and includes, but is not limited to, a circular hook and a pointed hook.
It should be understood that the nth segment structural rod and the nth segment connecting rod described herein are part of the connecting structure and not separate components.
The rod-shaped connecting structure can be tightly connected with the inner leaf wall, the heat insulation layer and the outer leaf wall of the sandwich wallboard, on one hand, the rod-shaped connecting structure reduces the passing area of the connecting structure passing through the heat insulation layer, namely the cross-sectional area of the rod-shaped connecting piece on the plane of the heat insulation layer, the heat bridge effect between the inner leaf wall and the outer leaf wall caused by the fact that the connecting structure passes through the heat insulation layer is effectively reduced, and the heat insulation performance of the sandwich wallboard is improved; on the other hand, the rod-type connecting structure is an integrally processed double-rod model, welding is not needed, preparation is convenient, the double-rod model is not prone to shaking in the direction perpendicular to the plane of the wallboard in the assembling process, the installation process is simplified, and installation is convenient.
Connection structure be run through sandwich wallboard heat preservation, the bearing connection structure of page or leaf wall and outer page or leaf wall in connecting, exemplarily, can be according to outer page or leaf board focus symmetrical arrangement in the sandwich wallboard.
Optionally, the rod-type connection structure is a stainless steel rod-type connection structure.
The stainless steel material can be integrally processed and formed, has a smaller heat conductivity coefficient, can further weaken a heat bridge between the inner leaf wall and the outer leaf wall, and strengthens the heat insulation performance of the sandwich wallboard.
Optionally, the first section connecting rod 105 has an angle greater than zero with the first direction.
Specifically, in the production and assembly process, due to the influence of factors such as tolerance and deformation, an included angle with a certain angle can exist between the first section of connecting rod 105 and the first direction, at the moment, although the additional steel bars passing through the inner page wall of the connecting structure from the second direction have a certain deviation with the second direction, the connecting structure can still be connected with the outer page wall and the inner page wall through the additional steel bars.
Optionally, as shown in fig. 1, the first section of connecting rod 105 is parallel to the first direction, i.e. the included angle between the first section of connecting rod 105 and the first direction is zero.
In this embodiment, in connection structure's assembling process, because first direction has the additional reinforcing bar that sets up in outer page or leaf wall, first section connecting rod 105 is parallel with first direction, and first section connecting rod 105 is located interior page or leaf wall, can make outer page or leaf wall and interior page or leaf wall have better depth of parallelism, does benefit to the zonulae occludens between the sandwich wallboard component more, makes sandwich wallboard have better roughness when guaranteeing wall structure.
Optionally, the first segment structural rod 101 has an angle greater than zero with the third segment structural rod 103, and/or the second segment structural rod 102 has an angle greater than zero with the fourth segment structural rod 104.
Specifically, if the connecting structure is pressed or pulled in a first direction during the manufacturing assembly process, an angle between the structural rods may be caused. At this time, if the first section of connecting rod 105 is parallel to the first direction, the connecting structure can still effectively connect the inner leaf wall and the outer leaf wall of the sandwich wall panel under the condition of ensuring the parallelism; if there is another included angle greater than zero between the first section of connecting rod 105 and the first direction, the connecting structure can still be connected with the outer leaf wall and the inner leaf wall through the additional steel bars.
Optionally, the first section of structural rod 101 is parallel to the third section of structural rod 103, the second section of structural rod 102 is parallel to the fourth section of structural rod 104, and the first included angle is equal to the second included angle.
In this embodiment, this connection structure has more regular parallel structure, can reduce the installation degree of difficulty at the installation, improves the production efficiency of sandwich wallboard.
FIG. 2 is another schematic view of a sandwich wall panel attachment structure according to an embodiment of the present invention.
Optionally, the first end of the first section of structural rod 101 is connected to the first end of the second section of structural rod 102 by a second section of connecting rod 201; the first end of the third segment structural rod 103 is connected to the first end (not shown) of the fourth segment structural rod 104 by a third segment connecting rod 202.
That is to say, set up the connecting rod respectively between first section structure pole 101 and second section structure pole 102, between third section structure pole 103 and fourth section structure pole 104, have the contained angle respectively between connecting rod and every section structure pole, formed the trapezium structure, the position of the reinforcing bar in the outer page or leaf wall that conveniently fixes along the first direction setting more has optimized connection structure's structure for connection structure is convenient for more the installation, and the stress point is more clear.
It should be understood that the second segment connecting rod 201 and the third segment connecting rod 202 may or may not be parallel.
For example, when the first section of structural rod 101 is parallel to the third section of structural rod 103, the second section of structural rod 102 is parallel to the fourth section of structural rod 104, and the first included angle is equal to the second included angle, the second section of connecting rod 201 is parallel to the third section of connecting rod 202.
For another example, when the first segment structural rod 101 and the third segment structural rod 103 have an included angle greater than zero, and/or the second segment structural rod 102 and the fourth segment structural rod 104 have an included angle greater than zero, the second segment connecting rod 201 and the third segment connecting rod 202 are not parallel
It should be understood that the length Z1 of the second connecting rod segment 201 and the length Z2 (not shown) of the third connecting rod segment 202 may be equal or different.
For example, when the first included angle is equal to the second included angle, the second connecting rod segment 201 and the third connecting rod segment 202 have the same length. For another example, when the first included angle is not equal to the second included angle, the lengths of the second connecting rod segment 201 and the third connecting rod segment 202 are not equal.
Optionally, Z1 is more than or equal to 30mm and less than or equal to 60mm, and Z2 is more than or equal to 30mm and less than or equal to 60mm.
Optionally, the angle α of the first included angle satisfies 50 ° ≦ α ≦ 70 °, and the angle β of the second included angle satisfies 50 ° ≦ β ≦ 70 °.
Optionally, the rod-type connection structure has a circular cross-section with a diameter D satisfying 6mm ≦ D ≦ 12mm.
FIG. 3 is a schematic view of a portion of a sandwich wall panel connection structure according to an embodiment of the present application.
Alternatively, as shown in fig. 3, the first hook-shaped structure 106 and the second hook-shaped structure 107 are symmetrical circular hooks, each circular hook including a circular portion and a parallel portion.
Alternatively, when the circular cross-sectional diameter of the bar-type connecting structure is D, the circular portion has a circular diameter of 4D and the parallel portion has a length of 4D.
FIG. 4 is a schematic view of an assembly of a sandwich wall panel connection structure according to an embodiment of the present application.
Alternatively, as shown in fig. 2, the length L1 of the first segment structural rod 101 is greater than the length L2 of the second segment structural rod 102, and the length L3 of the third segment structural rod 103 is greater than the length L4 of the fourth segment structural rod 104.
Specifically, as shown in fig. 4, the connection structures with different lengths of the structural rods may be vertically arranged in the sandwich wall panel, the outer leaf wall of the sandwich wall panel is arranged with the longitudinally and transversely staggered structural steel bars 403, also called longitudinally and transversely steel bar meshes, the second section of connection rod 201 and the third section of connection rod 202 of the connection structure are fixed on the longitudinally and transversely steel bar meshes of the outer leaf wall through at least one additional steel bar 401 penetrating the connection structure from the first direction, the first section of connection rod 105, the first hook-shaped structure 106 and the second hook-shaped structure 107 of the connection structure are fixed in the inner leaf wall through at least one additional steel bar 402 penetrating the connection structure from the second direction, and the additional steel bar 402 is located inside the inner leaf wall after being poured.
In practical use, the vertically arranged rod-type connecting structure can bear the shearing force (such as the gravity of the wall board itself, the gravity of building components such as bay windows and the like installed on the wall board) in the vertical direction (i.e. the second direction in the drawing) of the wall board and the load (such as contraction and expansion caused by pressure and temperature) in the direction perpendicular to the wall board.
Optionally, when the first segment structural rod 101 and the third segment structural rod 103 are parallel and equal in length, the second segment structural rod 102 and the fourth segment structural rod 104 are parallel and equal in length, the first included angle and the second included angle are equal and the angle is α,
L2＝L4＝L1 cosɑ＝L3 cosɑ＝H1 cotɑ，
h1 is the distance from the second end of the first section of structural rod to the second section of structural rod, H1 is larger than or equal to 200mm and smaller than or equal to 800mm, and L1 is larger than or equal to 180mm and smaller than or equal to 420mm.
Alternatively, as shown in fig. 5, the length L1 of the first segment structural rod 101 is equal to the length L2 of the second segment structural rod 102, and the length L3 of the third segment structural rod 103 is equal to the length L4 of the fourth segment structural rod 104.
Specifically, the connecting structures with the same length of the structural rods can be horizontally arranged in the sandwich wall panel, as shown in fig. 6, the connecting form of the connecting structures is the same as that of the vertically arranged connecting structures, and details are not repeated here, and in the actual use process, the horizontally arranged rod-type connecting structures can bear shear force (such as earthquake, strong wind and rotation of the cavity surface in the assembly process) in the horizontal direction (i.e. the second direction in the drawing) of the wall panel and load (such as contraction and expansion caused by pressure and temperature) in the direction perpendicular to the sandwich wall panel.
Optionally, when the first segment structural rod 101 and the third segment structural rod 103 are parallel and equal in length, the second segment structural rod 102 and the fourth segment structural rod 104 are parallel and equal in length, the first included angle and the second included angle are equal and the angle is α,
h2 is the distance from the second end of the first section of structural rod to the second end of the second section of structural rod, H2 is more than or equal to 200mm and less than or equal to 800mm, H is the height of an isosceles triangle with the first included angle as a vertex angle and the first section of structural rod and the second section of structural rod as waists, and H is more than or equal to 180mm and less than or equal to 4200mm.
The embodiment of this application still provides a sandwich wallboard, includes:
the heat-insulating wall comprises an outer leaf wall, a heat-insulating layer and an inner leaf wall, wherein reinforcing steel bars are arranged in the outer leaf wall and the inner leaf wall;
the utility model provides a pole type connection structure in any kind of possible implementation, pole type connection structure be used for with the first direction steel bar connection in the outer page or leaf wall, with the second direction steel bar connection in the interior page or leaf wall, in order to connect outer page or leaf wall the heat preservation reaches interior page or leaf wall, the first direction perpendicular to the second direction.
The embodiment of the application also provides a preparation method of the sandwich wallboard, which comprises the following steps:
the utility model provides a connection structure of sandwich wallboard, connection structure are integrated into one piece's pole type connection structure, and pole type connection structure includes: the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle; a first section of connecting rod connecting the second end of the first section of structural rod and the second end of the third section of structural rod; the first hook-shaped structure is arranged at the second end of the second section of structural rod, and the second hook-shaped structure is arranged at the second end of the fourth section of structural rod.
Specifically, the preparation method comprises the following steps:
arranging transverse and longitudinal reinforcing meshes of the outer leaf wall;
arranging the connecting structure in the transverse and longitudinal steel bar nets of the outer leaf wall, and fixing the connecting structure on the transverse and longitudinal steel bar nets of the outer leaf wall by at least one steel bar passing through the first included angle and the second included angle from the first direction;
pouring outer leaf wall concrete;
laying a heat-insulating layer;
arranging transverse and longitudinal reinforcing meshes of the inner leaf wall;
fixing the connecting structure on a transverse and longitudinal steel bar net of the inner leaf wall by at least one steel bar passing through the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure from a second direction, wherein the first direction is vertical to the second direction;
and (5) pouring the inner leaf wall concrete.
The embodiment of this application makes sandwich wallboard through bar type connection structure, and connection structure has less area of passing through with the heat preservation, has weakened interior page or leaf wall and the structural heat bridge that outer page or leaf wall formed through connection structure, through additional reinforcing bar with connection structure anchor in the horizontal longitudinal reinforcement net of interior page or leaf wall and outer page or leaf wall, easy operation is convenient, has improved sandwich wallboard's production efficiency.
It should be understood that the sandwich wallboard need be pour in the sandwich wallboard template, various steel bar structures all set up in the sandwich wallboard template described in the embodiment of this application. In an exemplary preparation process, firstly, outer leaf wall concrete is poured in a sandwich wall plate template, an insulating layer is laid in the template after a concrete structure is dried and formed, and finally, inner leaf wall concrete is poured in the template.
It will be appreciated that the preparation method described in this example is a reverse process for producing sandwich wall panels, i.e. in the order of preparation from the outer leaf wall to the inner leaf wall. The sandwich wall panel prepared by using the rod-shaped connecting structure provided by the embodiment of the application can also be produced according to the preparation sequence from the inner leaf wall to the outer leaf wall, and the specific method is as follows:
arranging transverse and longitudinal reinforcing mesh of the inner leaf wall;
arranging the connecting structure in the transverse and longitudinal reinforcing mesh of the inner leaf wall, and fixing the connecting structure on the transverse and longitudinal reinforcing mesh of the inner leaf wall through at least one reinforcing steel bar which passes through the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure from the second direction;
pouring inner leaf wall concrete;
laying an insulating layer;
arranging transverse and longitudinal reinforcing mesh of the outer leaf wall;
fixing the connecting structure on a transverse and longitudinal steel bar net of the outer leaf wall by at least one steel bar passing through a first included angle and a second included angle from a first direction, wherein the first direction is perpendicular to the second direction;
and (5) pouring the inner leaf wall concrete.
Optionally, the first end of the first section of structural rod of the rod-type connection structure is connected to the first end of the second section of structural rod by a second section of connecting rod; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod through a third section of connecting rod.
In the embodiment, because the connecting rod of the rod-type connecting structure and the structural rod at each end respectively form an included angle, in the preparation process of the wallboard, on one hand, the space at the first included angle and the second included angle is increased, so that more additional steel bars can be arranged in the first direction, the connecting structure formed by the inner leaf wall and the connecting structure is strengthened, and the performance of the sandwich wallboard is improved; on the other hand, the additional reinforcing bar position on the first direction is more fixed, and the atress structure of sandwich wallboard is more clear, also is convenient for operate more.
The connection structure of the sandwich wall panel provided in the preparation method of the sandwich wall panel provided in the embodiment of the present application may be the connection structure described in any possible implementation manner in the embodiment of the present application, and is not described herein again.
In this application, a plurality of connection structure of vertical arrangement in the sandwich wallboard can transmit outer leaf wall dead weight and load to interior leaf wall through diagonal draw bar (first section structure pole, third section structure pole) and horizontal compression bar (second section structure pole, fourth section structure pole). A plurality of connection structure of horizontal arrangement can bear the load of sandwich wallboard under upset, hoist and mount, antidetonation operating mode. A plurality of connection structures that vertically arrange and a plurality of connection structures that arrange horizontally constitute connected system, and this connected system's connected node is simple reliable, and the durability is excellent, and the heat bridge effect is little, has solved the difficult points such as the complexity, with high costs, the potential safety hazard of conventional adoption welding process.
It should be understood that the technical features mentioned in the different embodiments of the present application can be combined with each other as long as they do not conflict with each other.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium; either an anchored connection or a welded connection. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. The materials used are not indicated by manufacturers, and are all conventional products which can be obtained commercially.
While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (14)
1. The utility model provides a connection structure of sandwich wallboard, a serial communication port, sandwich wallboard includes outer page or leaf wall, heat preservation, interior page or leaf wall, the connection structure of sandwich wallboard is integrated into one piece's bar type connection structure, bar type connection structure includes:
the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle;
the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle;
a first section connecting rod connecting the second end of the first section structural rod and the second end of the third section structural rod;
the first hook-shaped structure is arranged at the second end of the second section of structural rod, and the second hook-shaped structure is arranged at the second end of the fourth section of structural rod;
the first included angle and the second included angle are used for setting up a first direction of steel bars in the outer page wall, the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure are used for setting up a second direction of steel bars in the outer page wall so as to connect the outer page wall, the heat preservation layer and the inner page wall, the first direction is perpendicular to the second direction, and the connecting structure of the sandwich wallboard is a closed structure.
2. The sandwich wall panel connection of claim 1, wherein the rod-type connection is a stainless steel rod-type connection.
3. The sandwich wall panel connection of claim 1, wherein the first length of connecting bar is parallel to the first direction.
4. The sandwich wall panel connection structure of claim 1, wherein the first segment of structural bars is parallel to the third segment of structural bars, the second segment of structural bars is parallel to the fourth segment of structural bars, and the first angle is equal to the second angle.
5. The connecting structure of sandwich wall-plate according to claim 1, wherein the first end of said first section of structural bars is connected to the first end of said second section of structural bars by a second section of connecting bars; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod through a third section of connecting rod.
6. The sandwich wall panel connection of claim 1, wherein the first included angle is in the range of 50 ° to 70 ° and the second included angle is in the range of 50 ° to 70 °.
7. The sandwich wall panel connection of claim 1, wherein the rod-type connection has a circular cross-section with a diameter of 6-12mm.
8. The connection structure of sandwich wall panel according to any one of claims 1 to 7, wherein a length L1 of the first section of structure bar is greater than a length L2 of the second section of structure bar, a length L3 of the third section of structure bar is greater than a length L4 of the fourth section of structure bar, and the connection structure of sandwich wall panel is used for connecting the outer leaf wall, the heat insulation layer and the inner leaf wall and supporting the shear force and the load in the vertical direction borne by the sandwich wall panel.
9. The connecting structure of sandwich wall-plate according to claim 8, wherein said first segment of structural rods is parallel to and has the same length as said third segment of structural rods, said second segment of structural rods is parallel to and has the same length as said fourth segment of structural rods, said first and second included angles are equal and have an angle α,
L2＝L4＝L1 cosɑ＝L3 cosɑ＝H1 cotɑ，
h1 is the distance from the second end of the first section of structural rod to the second section of structural rod, H1 is larger than or equal to 200mm and smaller than or equal to 800mm, and L1 is larger than or equal to 180mm and smaller than or equal to 420mm.
10. The connecting structure of sandwich wall panel according to any one of claims 1 to 7, wherein a length L1 of the first section of structural bar is equal to a length L2 of the second section of structural bar, a length L3 of the third section of structural bar is equal to a length L4 of the fourth section of structural bar, and the connecting structure of sandwich wall panel is used for connecting the outer leaf wall, the insulating layer and the inner leaf wall and supporting the horizontal shearing force and load borne by the sandwich wall panel.
11. The sandwich wall panel connection structure of claim 10, wherein the first segment of structural bars are parallel to and of equal length to the third segment of structural bars, the second segment of structural bars are parallel to and of equal length to the fourth segment of structural bars, the first and second included angles are equal and have an angle α,
h2 is the distance from the second end of the first section of structural rod to the second end of the second section of structural rod, H2 is more than or equal to 200mm and less than or equal to 800mm, H is the height of an isosceles triangle with the first included angle as a vertex angle and the first section of structural rod and the second section of structural rod as waists, and H is more than or equal to 180mm and less than or equal to 4200mm.
12. The sandwich wall panel connection structure of any one of claims 1 to 7, wherein the first and second hook-like structures are curved or pointed hooks.
13. A sandwich wallboard, comprising:
the heat-insulation wall comprises an outer leaf wall, a heat-insulation layer and an inner leaf wall, wherein reinforcing steel bars are arranged in the outer leaf wall and the inner leaf wall;
the sandwich panel assembly of any one of claims 1 to 12, wherein the sandwich panel assembly is adapted to be connected to reinforcement bars in the outer leaf in a first direction and to reinforcement bars in the inner leaf in a second direction, the first direction being perpendicular to the second direction, to connect the outer leaf, the insulating layer and the inner leaf.
14. A method of making a sandwich wallboard, comprising:
provide the connection structure of sandwich wallboard, the connection structure of sandwich wallboard is integrated into one piece's pole type connection structure, pole type connection structure includes: the first end of the first section of structural rod is connected with the first end of the second section of structural rod to form a first included angle; the first end of the third section of structural rod is connected with the first end of the fourth section of structural rod to form a second included angle; a first section connecting rod connecting the second end of the first section structural rod and the second end of the third section structural rod; the first hook-shaped structure is arranged at the second end of the second section of structural rod, the second hook-shaped structure is arranged at the second end of the fourth section of structural rod, and the connection structure of the sandwich wallboard is a closed structure;
arranging transverse and longitudinal reinforcing mesh of the outer leaf wall;
arranging the connection structure of the sandwich wall board in the outer leaf wall transverse and longitudinal steel bar mesh, and fixing the connection structure of the sandwich wall board on the outer leaf wall transverse and longitudinal steel bar mesh by at least one steel bar penetrating through the first included angle and the second included angle from the first direction;
pouring outer leaf wall concrete;
laying an insulating layer;
arranging transverse and longitudinal reinforcing mesh of the inner leaf wall;
fixing the connecting structure of the sandwich wallboard on the transverse and longitudinal reinforcing steel bar net of the inner leaf wall by at least one reinforcing steel bar penetrating through the inner side of the first section of connecting rod, the first hook-shaped structure and the second hook-shaped structure from a second direction, wherein the first direction is vertical to the second direction;
and (5) pouring the inner leaf wall concrete.
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| AT354699B (en) * | 1978-08-02 | 1980-01-25 | Leitl Werke Bauhuette | METHOD FOR PRODUCING TENSIONED CARRIERS |
| CN204510630U (en) * | 2015-04-02 | 2015-07-29 | 中国化学工程第三建设有限公司 | A kind of flooring double layer bar split heads |
| CN109079968B (en) * | 2018-08-01 | 2023-09-19 | 湖南中城住工科技有限公司 | Forming mold for wall panel and method for manufacturing wall panel by using mold |
| CN108867943A (en) * | 2018-09-18 | 2018-11-23 | 三筑工科技有限公司 | Prefabricated sandwich wall and prefabricated sandwich wall production method |
| CN209958607U (en) * | 2019-04-26 | 2020-01-17 | 北京预制建筑工程研究院有限公司 | Heat preservation connection structure of prefabricated sandwich wallboard |
| CN211646943U (en) * | 2019-12-09 | 2020-10-09 | 西藏藏建科技股份有限公司 | High-strength wallboard structure |
| CN110978211A (en) * | 2019-12-19 | 2020-04-10 | 建研科技股份有限公司 | Sandwich heat-insulation superposed shear wall prefabricated part and manufacturing method thereof |
| CN211899055U (en) * | 2020-03-18 | 2020-11-10 | 建研科技股份有限公司 | Truss type tie member for prefabricated sandwich heat-insulation external wall panel |
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