CN109577524B - Cast-in-situ foam concrete wall - Google Patents
Cast-in-situ foam concrete wall Download PDFInfo
- Publication number
- CN109577524B CN109577524B CN201910001093.2A CN201910001093A CN109577524B CN 109577524 B CN109577524 B CN 109577524B CN 201910001093 A CN201910001093 A CN 201910001093A CN 109577524 B CN109577524 B CN 109577524B
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- steel
- keel
- steel mesh
- cast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011381 foam concrete Substances 0.000 title claims abstract description 29
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 136
- 239000010959 steel Substances 0.000 claims abstract description 136
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000007306 turnover Effects 0.000 claims abstract description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004321 preservation Methods 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000011800 void material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8658—Walls made by casting, pouring, or tamping in situ made in permanent forms using wire netting, a lattice or the like as form leaves
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of building wall construction, and particularly relates to a cast-in-situ foam concrete wall, which comprises a light steel keel, a steel mesh and a connecting clamping piece, wherein the light steel keel comprises a keel side plate and a keel back plate, and the end part of the keel side plate, which is far away from the keel back plate, is provided with an inward side plate flanging; the steel net is provided with reinforcing ribs; the connection fastener includes: the V-shaped clamping piece main board, the first clamping piece, the second clamping piece and the steel mesh bayonet are arranged in the U-shaped clamping piece main board, the length of the connecting clamping piece is larger than the width of the light steel keel, and the end part of the steel mesh bayonet is provided with an inward turnover unhooking prevention hook; the first card and the second card are clung to the inner side of the flanging of the side plate, so that the connecting clamping piece is fixed on the light steel keel, the steel mesh bayonet is clamped outside the reinforcing rib, and the unhook is prevented from penetrating through the mesh of the steel mesh. The steel mesh is hung on the connecting clamping piece in a hanging way, is not in direct contact with the light steel joist, avoids forming a cold-hot bridge between metal components, and has good heat preservation, sound insulation, shock resistance and seepage resistance effects.
Description
Technical Field
The invention belongs to the technical field of building wall construction, in particular to a heat-insulating, sound-insulating, shock-resistant and impervious building wall, and particularly relates to a cast-in-situ foam concrete wall.
Background
Most of the existing wall bodies in China are still of brick-concrete structures, heat preservation, sound insulation and earthquake resistance effects are poor, labor cost required by construction is high, along with the rise of steel-structured wall bodies, organic heat-insulating materials such as polyphenyl foam boards and the like are filled in the wall bodies to play a certain role in heat preservation and sound insulation, but the wall bodies are poor in fireproof performance, have fire safety hidden danger and are not ageing-resistant. The cast-in-situ foam concrete has good fireproof performance, high wall construction speed and low labor cost, but the existing cast-in-situ foam concrete still has great room for improvement. The existing cast-in-situ foam concrete wall structure is as follows: steel meshes are fixed on two side surfaces of the light steel keels, and the steel meshes are fixed with the light steel keels through nailing by a gun nail, but because the light steel keels and the steel meshes are of metal structures, the nailing is difficult, and the nailing is easy to take off. The steel mesh contacts with the light steel joist to form a cold-hot bridge, which affects the heat preservation effect of the wall.
Disclosure of Invention
The invention aims to overcome the defects of poor wall heat preservation effect and easy nail removal in the prior art and provides a cast-in-situ foam concrete wall with good heat preservation effect and no need of nailing.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a cast-in-place foam concrete wall body, includes bearing steel structure frame, its characterized in that: the light steel joist comprises a light steel joist frame, steel nets and connecting clamping pieces, wherein the light steel joist frame is fixedly arranged on the light steel joist frame, the steel nets are arranged on two sides of the light steel joist frame, the connecting clamping pieces are used for fixing the steel nets, the cross section of the light steel joist frame is of a U-shaped structure and comprises a joist side plate and a joist back plate, and the end part, far away from the joist back plate, of the joist side plate is provided with an inward side plate flanging; the steel mesh is provided with reinforcing ribs with V-shaped cross sections; the connection fastener includes: the V-shaped clamping piece main board, a first clamping piece and a second clamping piece which are respectively arranged at the two transverse ends of the clamping piece main board, and steel mesh bayonets which are arranged at the two longitudinally extending ends of the clamping piece main board, wherein the length of the connecting clamping piece is larger than the width of the light steel keel, and the end parts of the steel mesh bayonets are provided with inward turnover anti-unhooking hooks; the clamping piece main board close to the ends of the first clamping piece and the second clamping piece is provided with a keel bayonet for clamping the light steel keel; the first clamping piece and the second clamping piece are tightly attached to the inner side of the flanging of the side plate, so that the connecting clamping piece is fixed on the light steel joist, the steel mesh bayonet is clamped outside the reinforcing rib, and meanwhile, the unhooking prevention hook penetrates through the mesh of the steel mesh, so that the steel mesh is hung at the end part of the connecting clamping piece and is not in contact with the light steel joist.
Further, concrete mortar is smeared on the steel mesh to form a steel mesh mortar layer, and a cast-in-situ foam concrete layer is arranged in a cavity formed by the two oppositely arranged steel mesh mortar layers.
Further, the cast-in-situ foam concrete layer is internally provided with a plurality of reinforcing keels which are perpendicular to the extending direction of the light steel keels; the reinforcing keel passes through the light steel keel.
Further, a keel notch is formed in the first clamping piece, and the end portion of the reinforcing keel is clamped in the keel notch.
Further, the steel mesh bayonet is a v-shaped notch, and the reinforcing ribs of the steel mesh are v-shaped.
Further, the steel mesh bayonet is a trapezoid notch with wide outside and narrow inside, and the reinforcing ribs of the steel mesh are of a trapezoid structure.
Further, the lengths of the first card and the second card are smaller than the width of the light steel keel.
Further, the width of the light steel keel is 89mm.
Further, a plurality of air-defense holes are formed in the reinforcing ribs of the steel mesh.
The cast-in-situ foam concrete wall has the beneficial effects that:
1. the steel mesh is hung on the connecting clamping piece in a hung mode, is not in direct contact with the light steel keels, avoids cold and hot bridges formed between metal components, and has good heat preservation, sound insulation, shock resistance and impermeability effects.
2. The steel mesh is fixed on the light steel keels without using gun nails, and the steel mesh can be fixed by only clamping the reinforcing ribs of the steel mesh through the steel mesh bayonet on the connecting clamping piece, thereby being convenient and quick.
3. The reinforcing ribs of the steel mesh are provided with the anti-void holes, so that the problem that the reinforcing ribs are in an outwards-protruding V-shaped structure to cause a non-tight chamber is solved when the concrete mortar is smeared or sprayed on the steel mesh, and the anti-void holes can enable the concrete mortar to be filled into the reinforcing ribs.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a front view of a connector clip according to an embodiment of the present invention;
FIG. 3 is a perspective view of a connector clip according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is an enlarged view of a structural portion of a steel mesh according to an embodiment of the present invention.
In the figure, 1, a light steel keel, 11, a keel backboard, 12, a keel side plate, 13, a side plate flanging, 2, a steel net, 21, a reinforcing rib, 22, an anti-empty hole, 3, a connecting clamping piece, 31, a clamping piece main plate, 32, a first clamping piece, 321, a keel notch, 33, a second clamping piece, 34, a steel net bayonet, 35, an anti-unhooking hook, 36, a keel bayonet, 4, a reinforcing keel, 5 and a cast-in-situ foam concrete layer.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The concrete embodiment of the cast-in-situ foam concrete wall body of the invention shown in fig. 1-5 comprises a bearing steel structure frame, light steel keels 1 fixed on the bearing steel structure frame, steel nets 2 arranged on two sides of the light steel keels 1 and connecting clamping pieces 3 used for fixing the steel nets 2. Referring to fig. 1 and 4, the cross section of the light steel keel 1 is of a U-shaped structure and comprises a keel side plate 12 and a keel back plate 11, and an inward side plate flanging 13 is arranged at the end part, far away from the keel back plate 11, of the keel side plate 12. Referring to fig. 4 and 5, the steel mesh 2 has reinforcing ribs 21 thereon. Referring to fig. 2 and 3, the connection clip 3 includes: the V-shaped clamping piece main board 31, a first clamping piece 32, a second clamping piece 33 and steel mesh bayonets 34, wherein the first clamping piece 32 and the second clamping piece 33 are respectively arranged at the two transverse ends of the clamping piece main board 31, the steel mesh bayonets 34 are arranged at the two longitudinally extending ends of the clamping piece main board 31, the length of the connecting clamping piece 3 is larger than the width of the light steel joist 1, and the end parts of the steel mesh bayonets 34 are provided with inward turnover anti-unhooking hooks 35; the clamping piece main board 31 near the end parts of the first clamping piece 32 and the second clamping piece 33 is provided with a keel bayonet 36 for clamping the light steel keel 1; the first card 32 and the second card 33 are tightly attached to the inner side of the side plate flanging 13, so that the connecting clamping piece 3 is fixed on the light steel joist 1, the steel mesh bayonet 34 is clamped outside the reinforcing rib 21, and meanwhile, the anti-falling hook 35 penetrates through the grid of the steel mesh 2, so that the steel mesh 2 is hung at the end part of the connecting clamping piece 3 and is not contacted with the light steel joist 1.
The steel mesh 2 is generally v-shaped with the reinforcing ribs 21, so the steel mesh bayonet 34 is also provided as a v-shaped notch.
The reinforcing ribs 21 on the steel mesh 2 can also be arranged into a trapezoid structure, so the steel mesh bayonet 34 can be arranged into trapezoid notches with wide outside and narrow inside.
The lengths of the first card 32 and the second card 33 are smaller than the width of the light steel keel 1, so that the ends of the first card 32 and the second card 33 can penetrate into the side plate flanging 13.
The keel back plates 11 of the light steel keels 1 are arranged in parallel, and because the clamping piece main plates 31 are of V-shaped structures, after the first clamping pieces 32 and the second clamping pieces 33 are clamped inside the side plate flanging 13, the two ends of the clamping piece main plates 31 still extend out of the side plate flanging 13, the steel mesh bayonets 34 are matched with the reinforcing ribs 21 of the steel mesh 2, the steel mesh 2 is fixed through the unhook 35 and hung at the end parts of the connecting clamping pieces 3, so that the steel mesh 2 on the two sides of the light steel keels 1 are not in direct contact with the steel mesh 2, a cold-hot bridge is not formed between metal components, and the heat preservation effect is good.
In the construction process of the wall body, concrete mortar can be coated on the steel mesh 2 firstly, a steel mesh mortar layer is formed after hardening, and then a cast-in-situ foam concrete layer 5 is arranged in a cavity formed by two opposite steel mesh mortar layers; meanwhile, the foam concrete contains a large number of bubbles and micropores, so that the wall has good heat insulation property, and in addition, the wall has good sound insulation, shock resistance and impermeability effects.
Referring to fig. 1 and 4, in order to secure the strength of the foam concrete wall, the cast-in-situ foam concrete layer 5 has a plurality of reinforcing keels 4 perpendicular to the extending direction of the light steel keels 1 inside; the reinforcing keel 4 passes through the light steel keel 1, and the back plate of the light steel keel 1 is provided with a long hole and the like which can be used for the reinforcing keel 4 to pass through.
Referring to fig. 3 and 4, the first card 32 has a keel notch 321 thereon, and the end of the reinforcing keel 4 is engaged in the keel notch 321.
This embodiment is generally applicable to 89 walls, i.e. the width of the light gauge steel 1 is 89mm.
Because the reinforcing ribs 21 are of a V-shaped structure protruding outwards, when concrete mortar or can paddles are smeared on the steel mesh 2, the mortar is not easy to enter the inner wall of the reinforcing ribs 21 to cause the problem of a non-tight chamber, as shown in fig. 5, in order to solve the problem, a plurality of air-defense holes 22 are arranged on the reinforcing ribs 21, and the air-defense holes 22 can enable the concrete mortar to be filled into the reinforcing ribs 21; the air defense holes 22 may have various forms such as a circular shape, a rectangular shape, etc.
It should be understood that the above-described specific embodiments are only for explaining the present invention and are not intended to limit the present invention. Obvious variations or modifications which extend from the spirit of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a cast-in-place foam concrete wall body, includes bearing steel structure frame, its characterized in that: the light steel joist comprises a bearing steel structural frame, light steel joists (1), steel nets (2) arranged on two sides of the light steel joists (1) and connecting clamping pieces (3) used for fixing the steel nets (2), wherein the cross section of each light steel joist (1) is of a U-shaped structure and comprises a joist side plate (12) and a joist back plate (11), and the end part, far away from the joist back plate (11), of each joist side plate (12) is provided with an inward side plate flanging (13); the steel mesh (2) is provided with reinforcing ribs (21); the connection clip (3) comprises: the V-shaped clamping piece main board (31), a first clamping piece (32) and a second clamping piece (33) which are respectively arranged at the two transverse ends of the clamping piece main board (31), and steel mesh bayonets (34) which are arranged at the two longitudinally extending ends of the clamping piece main board (31), wherein the length of the connecting clamping piece (3) is larger than the width of the light steel keel (1), and the end parts of the steel mesh bayonets (34) are provided with inward turnover anti-unhooking hooks (35); the clamping piece main board (31) close to the ends of the first clamping piece (32) and the second clamping piece (33) is provided with a keel bayonet (36) for clamping the light steel keel (1); the ends of the first clamping piece (32) and the second clamping piece (33) are tightly attached to the inner side of the side plate flanging (13), so that the connecting clamping piece (3) is fixed on the light steel keel (1), the steel mesh bayonet (34) is clamped on the outer part of the reinforcing rib (21), and meanwhile, the anti-unhooking hook (35) penetrates through the grid of the steel mesh (2), so that the steel mesh (2) is hung on the end of the connecting clamping piece (3) and is not contacted with the light steel keel (1); the steel mesh (2) on the two sides of the light steel keel (1) is not in direct contact with the light steel keel, and a cold-hot bridge is not formed between metal components.
2. A cast in place foam concrete wall according to claim 1, wherein: the steel mesh (2) is coated with concrete mortar to form a steel mesh mortar layer, and a cast-in-situ foam concrete layer (5) is arranged in a cavity formed by the two oppositely arranged steel mesh mortar layers.
3. A cast in place foam concrete wall according to claim 2, wherein: the inside of the cast-in-situ foam concrete layer (5) is provided with a plurality of reinforcing keels (4) which are perpendicular to the extending direction of the light steel keels (1); the reinforcing keel (4) passes through the light steel keel (1).
4. A cast in place foam concrete wall according to claim 3, wherein: the first clamping piece (32) is provided with a keel notch (321), and the end part of the reinforcing keel (4) is clamped in the keel notch (321).
5. The cast-in-place foam concrete wall according to claim 1, wherein: the steel mesh bayonet (34) is a v-shaped notch, and the reinforcing ribs (21) of the steel mesh (2) are v-shaped.
6. The cast-in-place foam concrete wall according to claim 1, wherein: the steel mesh bayonet (34) is a trapezoid notch with wide outside and narrow inside, and the reinforcing ribs (21) of the steel mesh (2) are of a trapezoid structure.
7. The cast-in-place foam concrete wall according to claim 1, wherein: the length of the first card (32) and the second card (33) is smaller than the width of the light steel keel (1).
8. A cast in place foam concrete wall according to claim 1, wherein: the width of the light steel keel (1) is 89mm.
9. A cast in place foam concrete wall according to any one of claims 1 to 8, wherein: the reinforcing ribs (21) of the steel mesh (2) are provided with a plurality of air-defense holes (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001093.2A CN109577524B (en) | 2019-01-02 | 2019-01-02 | Cast-in-situ foam concrete wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001093.2A CN109577524B (en) | 2019-01-02 | 2019-01-02 | Cast-in-situ foam concrete wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577524A CN109577524A (en) | 2019-04-05 |
| CN109577524B true CN109577524B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910001093.2A Active CN109577524B (en) | 2019-01-02 | 2019-01-02 | Cast-in-situ foam concrete wall |
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| CN (1) | CN109577524B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150795A (en) * | 2021-12-14 | 2022-03-08 | 秦长城新型建材(天津)有限公司 | Light cast-in-place high-strength formwork disassembly-free wall and construction method thereof |
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