CN213741820U - Cast-in-place concrete floor of template is exempted from to tear open in heat preservation sound insulation decoration - Google Patents
Cast-in-place concrete floor of template is exempted from to tear open in heat preservation sound insulation decoration Download PDFInfo
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- CN213741820U CN213741820U CN202022279393.8U CN202022279393U CN213741820U CN 213741820 U CN213741820 U CN 213741820U CN 202022279393 U CN202022279393 U CN 202022279393U CN 213741820 U CN213741820 U CN 213741820U
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Abstract
The utility model discloses a cast-in-place concrete floor of a heat preservation sound insulation decoration non-dismantling template, which comprises a non-dismantling template and a reinforcing mesh arranged on the non-dismantling template, wherein a plurality of connecting holes are arranged on the non-dismantling template, a connecting piece with one end extending out of the non-dismantling template is placed in each connecting hole, polymer high-strength mortar is poured in each connecting hole to form a connecting bolt, concrete is poured above the non-dismantling template to form a cast-in-place concrete layer integrated with the non-dismantling template, and a building leveling layer is arranged above the cast-in-place concrete layer; the disassembly-free formwork comprises a heat preservation and sound insulation layer made of heat preservation and sound insulation mortar, protective layers made of anti-crack mortar are arranged at the top and the bottom of the heat preservation and sound insulation layer respectively, and a layer of glass fiber mesh cloth is laid in each protective layer. The utility model provides a cast-in-place concrete floor of formwork exempts from to tear open is decorated in heat preservation sound insulation is saving construction process, when shortening construction cycle, has still effectively promoted cast-in-place floor's intensity and performance.
Description
Technical Field
The utility model belongs to the technical field of the construction technology and specifically relates to a cast in situ concrete floor of template is exempted from to tear open is decorated in heat preservation sound insulation.
Background
With the continuous improvement of the quality of life of people, the parties and the countries put forward higher requirements on the building industry, hope to build high-quality and high-quality century houses/green buildings, and put forward the requirements on heat preservation and sound insulation for floor slabs.
At present, the commonly used heat-insulating and sound-insulating floor slabs mainly comprise cast-in-place concrete floating floor slabs and non-dismantling heat-insulating and sound-insulating template cast-in-place concrete floor slabs. The existing heat-insulation and sound-insulation floor slab adopts a floating floor slab structure, a heat-insulation and sound-insulation system needs to be manufactured on the surface of the floor slab after the floor slab is installed, the floor slab belongs to on-site wet operation, fine stone concrete with the thickness of 40mm needs to be manufactured on a heat-insulation and sound-insulation layer, a reinforcing steel bar net is arranged in the floor slab, the thickness of the floor slab is increased, the practical space is reduced, the construction process is complex, the construction period is long, and the production cost is increased. Although the thickness of the existing non-dismantling heat-insulation sound-insulation template cast-in-place concrete floor is thinner than that of a laminated floor, the non-dismantling heat-insulation sound-insulation template needs four slurry and three nets for compounding during processing, the operation is very complicated, and meanwhile, even if the non-dismantling heat-insulation sound-insulation template is 5 centimeters thick, the weight of the non-dismantling heat-insulation sound-insulation template reaches 40Kg/m2Above, such weight has also brought great difficulty for the installation, receives the influence of weight simultaneously, also makes the specification of exempting from to tear open heat preservation sound insulation template less, and the biggest specification also only is 2400mm x 600mm x thickness for the board seam that exists after the exempting from to tear open heat preservation sound insulation template installation is extremely many.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a heat preservation sound insulation is decorated and is exempted from cast in situ concrete floor of tearing open template, this floor construction convenience need not to plaster and decorate, has effectively shortened construction cycle, can promote joint strength simultaneously, has improved cast in situ floor's security performance.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a cast-in-place concrete floor with a heat preservation and sound insulation decoration non-dismantling template comprises the non-dismantling template and a reinforcing mesh arranged on the non-dismantling template, wherein a plurality of connecting holes are formed in the non-dismantling template, connecting pieces with one ends extending out of the non-dismantling template are placed in the connecting holes, polymer high-strength mortar is poured in the connecting holes to form connecting bolts, concrete is poured above the non-dismantling template to form a cast-in-place concrete layer combined with the non-dismantling template into a whole, the reinforcing mesh is positioned in the cast-in-place concrete layer, and a building leveling layer is arranged above the cast-in-place concrete layer; the disassembly-free formwork comprises a heat preservation and sound insulation layer made of heat preservation and sound insulation mortar, protective layers made of one layer of anti-crack mortar are arranged at the top and the bottom of the heat preservation and sound insulation layer respectively, one layer of glass fiber mesh cloth is laid in the protective layers, the heat preservation and sound insulation layer and the protective layers are poured into a whole, and the connecting holes penetrate through the protective layers, close to one side of the reinforcing mesh, of the heat preservation and sound insulation layer and extend into the heat preservation and sound insulation layer.
Furthermore, the heat-preservation and sound-insulation layer is a magnesium oxysulfate polyphenyl particle heat-preservation and sound-insulation mortar layer or a magnesium oxychloride polyphenyl particle heat-preservation and sound-insulation mortar layer, and the protective layer is a magnesium oxysulfate anti-cracking mortar protective layer.
Furthermore, the thickness of the heat-preservation and sound-insulation layer is 30-50mm, the thickness of the protective layer on one side, close to the reinforcing mesh, of the heat-preservation and sound-insulation layer is 1-2mm, and the thickness of the protective layer on the other side of the heat-preservation and sound-insulation layer is 3-4 mm.
Furthermore, the number of the connecting holes is 6-8/m2。
Further, the depth of the connecting hole is 4/5 of the thickness of the non-stripping template.
Further, the connection hole is circular, square or tapered.
Further, the connecting hole is tapered with a large lower part and a small upper part.
Still further, the connecting member is a bolt or a U-shaped member.
Furthermore, the connecting piece is a galvanized washer tied with an iron wire, the galvanized washer is positioned in the connecting hole, and the end part of the iron wire is bound on the reinforcing mesh.
Furthermore, the thickness of the galvanized washer is more than or equal to 2mm, and the diameter of the galvanized washer is 20-40 mm.
The utility model has the advantages as follows:
1. when the floor slab is installed, plastic anchor bolts are not needed, and the bottom surface of the non-dismantling template is not provided with the circular discs protruding by the plastic anchor bolts, so that plastering is not needed, plastering materials and plastering procedures are omitted, the floor slab cost is reduced, the construction period is shortened, and the environmental pollution caused by field plastering is reduced;
2. the invisible connecting piece and the connecting bolt are used, the tensile strength reaches more than 3000N, and compared with 600N of a common plastic anchor, the safety performance of the floor slab is greatly improved;
3. the whole disassembly-free template only uses twice grid cloth, and the heat preservation and sound insulation layer is integrally cast, so that the integrity of the disassembly-free template is strong, the processing procedure of the disassembly-free template can be simplified, the weight of the disassembly-free template is reduced, and the weight of the disassembly-free template with the thickness of 5 centimeters is smaller than 30Kg/m2The installation is more convenient, and simultaneously, along with the reduction of the weight, the specification of a single non-dismantling template can be expanded, and the plate seam for installing the non-dismantling template is reduced;
4. the sound insulation layer and the protective layer of the non-dismantling template are formed in a one-step composite mode in a slurry mode and are combined into a whole, so that the heat insulation sound insulation layer and the protective layer are directly and closely combined, hollowing can be effectively avoided, and the integral bonding strength and the integral use performance of the floor slab can be improved;
5. after pouring is finished, decoration is not needed again, the template is not needed to be disassembled, the construction period is further shortened, the arrangement and transportation cost after the template is disassembled is saved, and the construction cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a first embodiment of a cast-in-place floor slab;
FIG. 2 is a schematic structural view of a second embodiment of a cast-in-place floor slab;
FIG. 3 is a schematic view of a disassembly-free form;
reference numerals: the construction method comprises the following steps of 1-dismantling-free formwork, 2-reinforcing mesh, 3-cast-in-place concrete layer, 4-building leveling layer, 5-connecting bolt, 6-connecting piece, 7-galvanized washer, 8-iron wire, 9-protective layer, 10-grid cloth and 11-heat preservation and sound insulation layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are conventionally placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "in communication" are to be interpreted broadly, e.g., as either fixed or removable communication, or integrally connected; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1-3, the present embodiment provides a cast-in-place concrete floor with a thermal insulation and sound insulation decoration non-dismantling formwork, which includes a non-dismantling formwork 1 and a reinforcing mesh 2 disposed on the non-dismantling formwork 1, the non-dismantling formwork 1 is provided with a plurality of connecting holes, the connecting holes are provided with connecting pieces 6, one ends of the connecting pieces extend out of the non-dismantling formwork 1, polymer high-strength mortar is poured into the connecting holes to form connecting bolts 5, wherein the polymer high-strength mortar is selected, the tensile strength of an invisible connecting system formed by the connecting bolt 5 and the connecting piece 6 is preferably 3000N, concrete is poured above the non-dismantling formwork 1 to form a cast-in-place concrete layer 3 which is combined with the non-dismantling formwork 1 into a whole, the reinforcing mesh 2 is positioned in a cast-in-place concrete layer 3, a building leveling layer 4 is arranged above the cast-in-place concrete layer 3, and the building leveling layer 4 is formed by pouring building light sound insulation mortar.
Of course, as the non-dismantling formwork 1 used therein, an existing non-dismantling formwork 1, such as the four-mortar three-net non-dismantling formwork 1 mentioned in the background art, may be used. In order to simplify the processing procedure of the non-dismantling formwork 1 and reduce the production period of the non-dismantling formwork 1, the non-dismantling formwork 1 is re-developed in the example, the non-dismantling formwork 1 comprises a heat preservation and sound insulation layer 11 made of heat preservation and sound insulation mortar, protective layers 9 made of one layer of anti-crack mortar are respectively arranged at the top and the bottom of the heat preservation and sound insulation layer 11, a layer of glass fiber mesh cloth 10 is laid in the protective layers 9, the heat preservation and sound insulation layer 11 and the protective layers 9 are poured into a whole, and the connecting holes penetrate through the protective layers 9, close to one side of the reinforcing mesh 2, of the heat preservation and sound insulation layer 11 and extend into the heat preservation and sound insulation layer 11.
In order to improve the binding capacity between layers of the non-dismantling formwork 1 and the use performance of the non-dismantling formwork 1, the heat preservation and sound insulation layer 11 is a magnesium oxysulfate polyphenyl particle heat preservation and sound insulation layer 11 or a magnesium oxychloride polyphenyl particle heat preservation and sound insulation layer 11, and the protective layer 9 is a magnesium oxysulfate anti-cracking mortar protective layer 9, wherein the protective layer 9 is made of magnesium oxysulfate anti-cracking mortar, the surface of the protective layer is smooth and flat, the protective layer has good decoration performance, different colors can be configured in the mortar, the decoration performance of the protective layer 9 is further improved, when the cast-in-place floor is made, plastering at the bottom of the non-dismantling formwork 1 is not needed, and the construction process is saved; in addition, the manufactured non-dismantling template 1 is light, the weight of the non-dismantling template 1 with the thickness of 5 centimeters is not more than 30Kg/m2, the specification of the non-dismantling template 1 can be 2400mm multiplied by 1200mm multiplied by the thickness, and compared with the existing non-dismantling template 1, the non-dismantling template is more convenient to install and can reduce plate gaps after installation.
In order to reduce the thickness of the non-dismantling formwork 1 and ensure that the non-dismantling formwork 1 has good use performance, the thickness of the heat preservation and sound insulation layer 11 can be 30-50mm, the thickness of the protective layer 9, close to one side of the reinforcing mesh 2, of the heat preservation and sound insulation layer 11 is 1-2mm, and the thickness of the protective layer 9, close to the other side of the reinforcing mesh 2, of the heat preservation and sound insulation layer is 3-4 mm.
The construction method of the non-dismantling formwork 1 comprises the following steps:
1. firstly, preparing magnesium oxysulfate anti-cracking mortar into a required color, laying a layer of magnesium oxysulfate anti-cracking mortar, and laying a grid cloth 10 in the mortar;
2. laying a layer of magnesium oxysulfate polyphenyl particle thermal insulation mortar on the magnesium oxysulfate anti-cracking mortar layer, and compacting and extracting the mortar;
3. laying a layer of magnesium oxysulfate anti-cracking mortar on the magnesium oxysulfate polyphenyl particle heat-insulating mortar layer, and laying a grid cloth 10 in the layer of magnesium oxysulfate anti-cracking mortar, wherein the protective layer 9 and the heat-insulating sound-insulating layer 11 are both in a slurry form and are formed by one-step compounding, the combination is very tight, and no hollowing exists;
4. and curing, demolding and cutting to obtain the disassembly-free template 1.
The compression strength of the prepared non-dismantling template 1 reaches 0.96MPa, the tensile strength reaches 0.33MPa, the heat conductivity coefficient is as low as 0.09[ W/(m.K) ], the softening coefficient is 0.82, and the anti-halogen back performance also meets the standard requirement.
Wherein exempt from to tear open preparation of template 1 can accomplish in the mill, then transport the job site with the finished product for make cast-in-place floor, when the construction:
1. arranging a connecting hole on the non-dismantling formwork 1, and laying the non-dismantling formwork 1;
2. installing reinforcing steel bars on the non-dismantling formwork 1 to form a reinforcing steel bar mesh 2;
3. filling polymer high-strength mortar into the connecting hole, and placing a connecting piece 6 in the mortar, so that one end of the connecting piece 6 extends out of the non-dismantling formwork 1;
4. concrete is poured immediately, and the non-dismantling formwork 1 and the concrete are poured and combined together;
5. and pouring light sound insulation mortar to form a building leveling layer 4 after the curing period is finished.
The construction process is very simple, need not to dismantle the template, also need not to plaster in the exempting from to dismantle 1 bottom of template and decorate, has effectively shortened construction cycle, and the stealthy connection system of connecting bolt 5 and connecting piece 6 constitution simultaneously, tensile strength is not less than 3000N, has effectively improved the security performance of system.
The connecting holes are mainly formed to strengthen the connecting strength between the non-dismantling formwork 1 and the concrete, and the number of the connecting holes is set to be 6-8/m through multiple tests in the embodiment2Meanwhile, the depth of the connecting hole is 4/5 the thickness of the non-dismantling formwork 1, so that the non-dismantling formwork 1 can be well connected with concrete.
Of course, the connecting hole can be in any geometric shape, such as round, square or conical, so as to increase the connecting strength or facilitate processing. In this embodiment, the connecting holes are tapered to have a larger bottom and a smaller top, i.e. the end close to the mesh reinforcement 2 is smaller, and the end far from the mesh reinforcement 2 is larger, so as to effectively increase the tensile strength of the connecting bolt 5. Meanwhile, the connecting piece 6 is in a common form such as a bolt or a U-shaped piece, the connecting piece 6 is selected to be a galvanized washer 7 with a tied iron wire 8, the galvanized washer 7 is located in the connecting hole, the thickness of the galvanized washer 7 is larger than or equal to 2mm, the diameter of the galvanized washer 7 is 20-40mm, the end portion of the iron wire 8 is tied on the reinforcing mesh 2, the iron wire 8 can be galvanized, the connecting piece 6 and the connecting bolt 5 are matched to connect the non-dismantling formwork 1 with concrete, and the connecting strength between the non-dismantling formwork and the concrete is effectively improved.
In general, the utility model discloses improve the structure of exempting from to tear open template 1, make heat preservation sound insulation layer 11 and protective layer 9 once compound alright form an organic whole naturally, and use connecting bolt 5 and connecting piece 6 to be connected exempting from to tear open template 1 and concrete, cooperate building screed-coat 4 to form cast-in-place floor, replaced traditional plastics anchor nail, when strengthening the joint strength between concrete and exempting from to tear open template 1, can also keep the level and smooth of exempting from to tear open template 1 bottom, saved the process of plastering and decorating; in addition, the reinforcing mesh 2 is laid in the concrete, the structural strength of the cast-in-place floor is improved, the manufacturing of the non-dismantling formwork 1 can be completed in advance in a factory, and the construction period of the cast-in-place floor can be effectively shortened.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cast-in-place concrete floor with a heat preservation and sound insulation decoration non-dismantling template is characterized by comprising a non-dismantling template (1) and a reinforcing mesh (2) arranged on the non-dismantling template (1), wherein a plurality of connecting holes are formed in the non-dismantling template (1), connecting pieces (6) with one ends extending out of the non-dismantling template (1) are placed in the connecting holes, polymer high-strength mortar is poured into the connecting holes to form connecting bolts (5), concrete is poured above the non-dismantling template (1) to form a cast-in-place concrete layer (3) integrated with the non-dismantling template (1), the reinforcing mesh (2) is positioned in the cast-in-place concrete layer (3), and a building leveling layer (4) is arranged above the cast-in-place concrete layer (3); exempt from to tear open template (1) including heat preservation sound insulation layer (11) of making by heat preservation sound insulation mortar, heat preservation sound insulation layer (11) top and bottom respectively are provided with protective layer (9) that the one deck crack resistant mortar made, one deck glass fiber net check cloth (10) have been laid in protective layer (9), heat preservation sound insulation layer (11) are built as a whole with protective layer (9), the connecting hole runs through heat preservation sound insulation layer (11) and is close to protective layer (9) of reinforcing bar net (2) one side and extends to in heat preservation sound insulation layer (11).
2. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative non-dismantling formwork as claimed in claim 1, wherein the heat-preservation sound-insulation layer (11) is a magnesium oxysulfate polyphenyl particle heat-preservation mortar heat-insulation sound-insulation layer (11) or a magnesium oxychloride polyphenyl particle heat-preservation mortar heat-insulation sound-insulation layer (11), and the protective layer (9) is a magnesium oxysulfate anti-cracking mortar protective layer (9).
3. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative non-dismantling formwork as claimed in claim 2, wherein the thickness of the heat-preservation sound-insulation layer (11) is 30-50mm, the thickness of the protective layer (9) on one side of the heat-preservation sound-insulation layer (11) close to the reinforcing mesh (2) is 1-2mm, and the thickness of the protective layer (9) on the other side is 3-4 mm.
4. The cast-in-place concrete floor of heat-insulating sound-insulating decorative disassembly-free formwork of claim 3, wherein the number of the connecting holes is 6-8/m2。
5. The cast-in-place concrete floor of the heat-insulation sound-insulation decorative non-dismantling formwork as claimed in claim 4, wherein the depth of the connecting hole is 4/5 times the thickness of the non-dismantling formwork (1).
6. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative disassembly-free formwork as claimed in claim 5, wherein the connecting holes are circular, square or conical.
7. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative disassembly-free formwork as claimed in claim 6, wherein the connecting hole is in a conical shape with a large lower part and a small upper part.
8. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative non-dismantling formwork as claimed in claim 7, wherein the connecting pieces (6) are bolts or U-shaped pieces.
9. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative non-dismantling formwork as claimed in claim 7, wherein the connecting piece (6) is a galvanized washer (7) tied with a wire (8), the galvanized washer (7) is positioned in the connecting hole, and the end part of the wire (8) is bound on the reinforcing mesh (2).
10. The cast-in-place concrete floor of the heat-preservation sound-insulation decorative non-dismantling formwork as claimed in claim 9, wherein the thickness of the galvanized washer (7) is more than or equal to 2mm, and the diameter is 20-40 mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771202A (en) * | 2021-09-16 | 2021-12-10 | 成都城投远大建筑科技有限公司 | Production method of heat-preservation sound-insulation composite floor slab |
| CN114753535A (en) * | 2022-04-11 | 2022-07-15 | 安徽睿晟诺建筑材料科技有限公司 | Bottom die detachment-free steel bar truss floor support plate and manufacturing method thereof |
-
2020
- 2020-10-13 CN CN202022279393.8U patent/CN213741820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771202A (en) * | 2021-09-16 | 2021-12-10 | 成都城投远大建筑科技有限公司 | Production method of heat-preservation sound-insulation composite floor slab |
| CN114753535A (en) * | 2022-04-11 | 2022-07-15 | 安徽睿晟诺建筑材料科技有限公司 | Bottom die detachment-free steel bar truss floor support plate and manufacturing method thereof |
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