CN112012475A - Non-dismantling formwork for building and manufacturing method - Google Patents
Non-dismantling formwork for building and manufacturing method Download PDFInfo
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- CN112012475A CN112012475A CN202010759414.8A CN202010759414A CN112012475A CN 112012475 A CN112012475 A CN 112012475A CN 202010759414 A CN202010759414 A CN 202010759414A CN 112012475 A CN112012475 A CN 112012475A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000009415 formwork Methods 0.000 title claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 239000012792 core layer Substances 0.000 claims abstract description 90
- 239000004568 cement Substances 0.000 claims abstract description 70
- 238000009413 insulation Methods 0.000 claims abstract description 66
- 239000010410 layer Substances 0.000 claims abstract description 59
- 238000004873 anchoring Methods 0.000 claims abstract description 31
- 238000004321 preservation Methods 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000004570 mortar (masonry) Substances 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 19
- 239000003365 glass fiber Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 210000002268 wool Anatomy 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000009877 rendering Methods 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- 238000005187 foaming Methods 0.000 description 16
- 229920000742 Cotton Polymers 0.000 description 8
- 239000003513 alkali Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- -1 then Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Building Environments (AREA)
Abstract
The invention provides a disassembly-free template for a building and a manufacturing method thereof, belonging to the technical field of building materials and comprising an inner steel wire mesh, an outer steel wire mesh, a heat-insulating core layer, a cement column, an outer plastering layer and an anchoring piece; the heat preservation core layer is positioned between the inner steel wire mesh and the outer steel wire mesh; a pouring hole is arranged in the heat insulation core layer, the pouring hole is arranged in the vertical direction and penetrates through the heat insulation core layer, and the cement column is positioned in the pouring hole; the outer rendering coat is positioned on the outer side of the outer steel wire mesh; the anchoring parts penetrate through the heat preservation core layer and are respectively fixed on the inner steel wire mesh and the outer steel wire mesh. The disassembly-free template for the building can bear the weight through the cement columns in the heat-insulation core layer, so that the bearing capacity of the disassembly-free template for the building is improved, the self rigidity of the heat-insulation core layer is improved through the cement columns, and the heat-insulation core layer is effectively prevented from being distorted and deformed.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a disassembly-free template for a building and a manufacturing method thereof.
Background
Traditional external wall insulation system requires all to erect the template in wall body both sides, demolishs the template of both sides again after the concrete sets, complex operation, and the construction progress is seriously worried up, so there are shortcomings such as construction cycle length, fire behavior is poor, life is short, construction process is complicated, construction cost height. In order to improve the construction efficiency and shorten the construction period, at present, a non-dismantling formwork is mostly adopted, the non-dismantling formwork has a heat preservation function and forms an integral structure with concrete, and the non-dismantling formwork does not need to be dismantled after pouring is finished. However, the existing disassembly-free template has the problems of low structural strength, incapability of bearing load and easiness in damaging the heat-insulating layer.
Disclosure of Invention
The invention aims to provide a disassembly-free template for a building, and aims to solve the problems that the existing disassembly-free template is low in structural strength, cannot bear load and is easy to damage an insulating layer.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a disassembly-free form for construction, including: the heat-insulation concrete column comprises an inner steel wire mesh layer, an outer steel wire mesh layer, a heat-insulation core layer, a cement column, an outer plastering layer and an anchoring piece; the heat-insulation core layer is positioned between the inner steel wire mesh and the outer steel wire mesh; a pouring hole is arranged in the heat-insulation core layer, the pouring hole is arranged in the vertical direction and penetrates through the heat-insulation core layer, and the cement column is positioned in the pouring hole; the outer side plastering layer is positioned on the outer side of the outer layer steel wire mesh; the anchoring piece penetrates through the heat preservation core layer and is fixed on the inner steel wire mesh and the outer steel wire mesh respectively.
As another embodiment of the present application, the cement column is foamed cement.
As another embodiment of the present application, an overflow groove is disposed on a side surface of the gate hole, and the overflow groove is configured to increase an area of flow through the gate hole.
As another embodiment of the present application, the overflow groove is disposed along an axial direction of the pouring hole, and a cross-sectional dimension of the overflow groove in a horizontal direction gradually increases from top to bottom.
As another embodiment of the present application, the thermal insulation core layer includes a first thermal insulation board and a second thermal insulation board; and a first step table is arranged on the end surface of the inner side of the first heat-insulating plate, and a second step table which is in splicing fit with the first step table is arranged on the end surface of the outer side of the second heat-insulating plate.
The disassembly-free template for the building has the beneficial effects that: compared with the prior art, the non-dismantling formwork for the building, disclosed by the invention, has the advantages that the heat-insulation core layer is fixed between the inner-layer steel wire mesh and the outer-layer steel wire mesh by utilizing the anchoring part, the plastering layer is arranged on the outer side of the outer-layer steel wire mesh, the integral structural strength is improved by the inner-layer steel wire mesh and the outer-layer steel wire mesh, meanwhile, the plastering layer plays a protection role on the heat-insulation core layer, and the heat-insulation core layer is prevented from being damaged. The disassembly-free template for the building can bear through the cement column in the heat preservation core layer, so that the bearing capacity of the disassembly-free template for the building is improved, the self rigidity of the heat preservation core layer is improved through the cement column, and the heat preservation core layer is effectively prevented from being distorted.
The invention also provides a manufacturing method of the disassembly-free template for the building, which comprises the following steps:
welding transverse and longitudinal steel wire rows into a square hole net shape to obtain an inner steel wire net and an outer steel wire net, and then arranging the inner steel wire net and the outer steel wire net in parallel at intervals to obtain a steel wire framework;
cutting the ceramic wool board into a preset size to obtain a heat-preservation core board; processing a pouring hole in the vertical direction in the heat-insulation core plate, then injecting cement into the pouring hole, obtaining a cement column after the cement is solidified, and forming a heat-insulation core layer by using the cement column and the heat-insulation core plate as an integrated structure;
placing the heat-insulation core layer in the steel wire framework, enabling an anchoring part to penetrate through the heat-insulation core layer, and respectively welding and fixing the inner-layer steel wire mesh and the outer-layer steel wire mesh with the anchoring part to obtain a heat-insulation structural assembly;
paving glass fiber gridding cloth on the outer side of the heat-insulation structure component, and then uniformly coating mortar on the glass fiber gridding cloth; standing for 24-48 h under natural conditions to obtain an outer side finishing layer.
As another embodiment of the present application, the diameter of the steel wire is phi 5-20 mm, and the size of the square hole is 400-2500 mm2And the distance between the inner layer of steel wire mesh and the outer layer of steel wire mesh is 20-100 mm.
As another embodiment of the application, the thickness of the heat-preservation core layer is 20-100 mm.
As another embodiment of the present application, the mortar comprises the following components: 70-100 parts of cement, 80-120 parts of silica sand and 98-150 parts of water.
As another embodiment of the application, the thickness of the mortar is 5-20 mm.
The manufacturing method of the non-dismantling formwork for the building, provided by the invention, has the beneficial effects that: compared with the prior art, the method for manufacturing the non-dismantling formwork for the building has the advantages that the cement is poured into the heat-insulating core plate, the cement columns are formed, the structural strength of the heat-insulating core layer is improved, the heat-insulating core layer has certain bearing capacity, meanwhile, the outer plastering layer formed by the glass fiber gridding cloth and the mortar plays a role in protecting the heat-insulating core layer, and the heat-insulating core layer is prevented from being damaged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic top view of a non-dismantling formwork for a building according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a thermal insulating core layer used in the second embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a thermal insulating core layer used in the third embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a partial cross-sectional view of a non-dismantling formwork for buildings according to a third embodiment of the present invention;
FIG. 6 is a schematic view of a connection structure of a rubber sleeve and a thermal insulation core layer according to a fourth embodiment of the present invention;
FIG. 7 is a radial cross-sectional view of a rubber boot used in a fourth embodiment of the present invention;
fig. 8 is a flowchart of a method for manufacturing a non-dismantling formwork for buildings according to an embodiment of the present invention.
In the figure: 1. an inner steel wire mesh; 2. an outer steel wire mesh; 3. a heat preservation core layer; 301. a pouring hole; 302. an overflow trough; 303. a metal sleeve; 304. a knock pin; 305. a first limiting flange; 306. a second limiting flange; 307. a first accommodating chamber; 308. a second accommodating chamber; 309. a wedge-shaped surface; 310. a first heat-insulating plate; 311. a second insulation board; 312. a first step table; 313. a second step; 314. a rubber sleeve; 315. a water-swelling sealing strip when meeting water; 4. a cement column; 5. coating a surface layer on the outer side; 6. an anchoring member; 7. a flexible connector.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a non-dismantling formwork for building according to the present invention will be described. A disassembly-free template for buildings comprises an inner steel wire mesh 1, an outer steel wire mesh 2, a heat-insulating core layer 3, a cement column 4, an outer plastering layer 5 and an anchoring piece 6; the heat preservation core layer 3 is positioned between the inner steel wire mesh 1 and the outer steel wire mesh 2; a pouring hole 301 is formed in the heat insulation core layer 3, the pouring hole 301 is arranged in the vertical direction and penetrates through the heat insulation core layer 3, and the cement column 4 is located in the pouring hole 301; the outer rendering coat 5 is positioned on the outer side of the outer steel wire mesh 2; the anchoring piece 6 penetrates through the heat preservation core layer 3 and is fixed on the inner steel wire mesh 1 and the outer steel wire mesh 2 respectively.
Compared with the prior art, the non-dismantling formwork for the building, provided by the invention, has the advantages that the heat-insulating core layer 3 is fixed between the inner-layer steel wire mesh 1 and the outer-layer steel wire mesh 2 by the anchoring piece 6, the plastering layer is arranged on the outer side of the outer-layer steel wire mesh 2, the integral structural strength of the inner-layer steel wire mesh 1 and the outer-layer steel wire mesh 2 is improved, meanwhile, the plastering layer plays a role in protecting the heat-insulating core layer 3, and the heat-insulating core layer 3 is prevented from being damaged. The disassembly-free template for the building can bear the weight of the cement column 4 in the heat-insulating core layer 3, so that the bearing capacity of the heat-insulating core layer 3 is improved, the self rigidity of the heat-insulating core layer 3 is improved by the cement column 4, and the heat-insulating core layer 3 is effectively prevented from being distorted.
As a specific embodiment of the non-dismantling formwork for buildings provided by the invention, the cement column 4 is foamed cement. In this embodiment, the foamed cement is a novel lightweight thermal insulation material containing a large number of closed pores, which is formed by mechanically fully foaming a foaming agent through a foaming system of a foaming machine, uniformly mixing the foam with cement slurry, performing cast-in-place construction or mold forming through a pumping system of the foaming machine, and performing natural curing. The thermal resistance of the foaming cement is about 10-20 times of that of common concrete, and the foaming cement can play a good role in heat preservation and heat insulation while improving the structural strength of the heat preservation core layer 3.
Referring to fig. 2, an overflow groove 302 is disposed on a side surface of a pouring hole 301, and the overflow groove 302 is used to increase an area of the pouring hole 301. In this embodiment, the number of the pouring holes 301 is plural, and the pouring holes are uniformly arranged along the length direction of the thermal insulation core layer 3. The pouring hole 301 is cylindrical and convenient to process. Foaming cement pours into to the pouring hole 301 in from the top of heat preservation sandwich layer 3, because there is difference in height in pouring hole 301, foaming cement is more downflow, along with foaming cement's temperature reduces gradually, and its flow resistance is big more, leads to foaming cement can't fill whole pouring hole 301 for there is the defect in the bottom structure of cement column 4, thereby influences the structural strength of cement column 4. The overflow groove 302 is a through groove structure, the surface temperature of the foaming cement is low, and the foaming cement can enter the overflow groove 302, so that the foaming cement with high temperature can flow in the pouring hole 301, the whole pouring hole 301 is filled with the foaming cement, the defect at the bottom of the cement column 4 is avoided, and the bearing capacity of the heat preservation core layer 3 is ensured.
Referring to fig. 2, an overflow groove 302 is disposed along an axial direction of a pouring hole 301, and a cross-sectional dimension of the overflow groove 302 along a horizontal direction gradually increases from top to bottom. In this embodiment, the number of the overflow grooves 302 is multiple, and the overflow grooves are uniformly arranged along the circumferential direction of the pouring hole 301, so that the foaming cement can more uniformly flow into the overflow grooves 302; and the cross-sectional dimension of the overflow groove 302 along the horizontal direction is gradually increased from top to bottom, so that the flowing speed of the foaming cement in the pouring hole 301 is increased, and the pouring efficiency is improved.
Referring to fig. 3 and 4, a metal sleeve 303 is installed in the heat-insulating core layer 3, and an inner cavity of the metal sleeve 303 is a casting cavity; the knock pins 304 are slidably mounted on the side wall of the metal sleeve 303, the knock pins 304 are uniformly arranged on the outer side surface of the metal sleeve 303 in the radial direction of the metal sleeve 303, and the knock pins 304 have a degree of freedom of movement in the radial direction of the metal sleeve 303. The knock pin 304 penetrates the side wall of the metal sleeve 303, and the length of the knock pin 304 is larger than the wall thickness of the metal sleeve 303. The knock pin 304 is provided with a first limiting flange 305 and a second limiting flange 306, the first limiting flange 305 and the second limiting flange 306 are respectively located at the inner side and the outer side of the metal sleeve 303, and the metal sleeve 303 is correspondingly provided with a first accommodating cavity 307 and a second accommodating cavity 308 for accommodating the first limiting flange 305 and the second limiting flange 306. The first and second retaining flanges 305, 306 serve to retain the knock pin 304 on the metal sleeve 303. A wedge surface 309 is provided on the top surface of the first stop flange 305. Since the metal sleeve 303 itself has a certain rigidity, the metal sleeve 303 improves the load-bearing capacity of the thermal insulation core layer 3. The radial section of the knock pin 304 is triangular, square or regular polygon, which prevents the knock pin 304 from rotating on the metal sleeve 303 and ensures that all wedge faces 309 on the knock pin 304 on the metal sleeve 303 are upward. The end of the top pin 304 positioned outside the metal sleeve 303 is conical, so that the top pin 304 can penetrate into the heat preservation core layer 3 conveniently. A through hole for installing the metal sleeve 303 is prefabricated in the heat insulation core layer 3, when the metal sleeve 303 is installed, the ejector pin 304 is firstly moved into the metal sleeve 303, so that the metal sleeve 303 can smoothly enter the through hole, then slides downwards from top to bottom in a pouring cavity by means of an auxiliary tool (for example, a bar or a pipe matched with the pouring cavity), and is in contact with the wedge surface 309 so as to drive the ejector pin 304 to move outwards along the radial direction of the metal sleeve 303, and finally the ejector pin 304 is inserted into the heat insulation core layer 3, so that the connection strength of the metal sleeve 303 and the heat insulation core layer 3 is enhanced.
As a specific embodiment of the non-dismantling formwork for a building provided by the present invention, please refer to fig. 5, the thermal insulation core layer 3 includes a first thermal insulation plate 310 and a second thermal insulation plate 311; the inner side end face of the first heat insulation plate 310 is provided with a first step 312, and the outer side end face of the second heat insulation plate 311 is provided with a second step 313 which is in plug fit with the first step 312. In this embodiment, the first insulation board 310 and the second insulation board 311 are arranged along the length direction of the insulation core layer 3; first insulation board 310 is in the same place with second insulation board 311 with the help of the grafting cooperation of first step 312 and second step 313, and the lateral surface of first step 312 is less than the medial surface, and the lateral surface of second step 313 is less than the medial surface, and difference in height between them is the same to guarantee that first insulation board 310 keeps the parallel and level with the surface of second insulation board 311.
Referring to fig. 6 and 7, a rubber sleeve 314 is preset in the thermal insulation core layer 3, and the anchoring member 6 penetrates through the rubber sleeve 314, so that the thermal insulation core layer 3 is protected and the anchoring member 6 is prevented from abrading the thermal insulation core layer 3. The inside and outside of rubber sleeve 314 all twine has the water-swelling sealing rod 315, offers the mounting groove that is used for holding water-swelling sealing rod 315 on the interior lateral wall of rubber tube. After the anchoring member 6 is installed, water is sprayed to a local area of the rubber sleeve 314, and the water-swelling water stop strip 315 swells after absorbing water, so that the connection structure among the heat-insulating core layer 3, the rubber sleeve 314 and the anchoring member 6 is reinforced. Simultaneously, after the construction is completed, the water-swelling water stop strip 315 can absorb the moisture in the heat-insulating core layer 3 and the outer side rendering coat 5, so that the service lives of the heat-insulating core layer 3 and the outer side rendering coat 5 are prolonged.
In this embodiment, please refer to fig. 5, in an actual construction process, the non-dismantling formworks for buildings need to be assembled and surrounded together, and since the outline size of the heat insulation core layer 3 is larger than the outline sizes of the inner steel wire mesh 1 and the outer steel wire mesh 2, a gap exists between the inner steel wire mesh 1 and the outer steel wire mesh 2 on the two adjacent non-dismantling formworks for buildings. Taking the inner steel wire mesh 1 as an example: increase flexible connectors 7 between two adjacent inlayer wire net 1, correspond on the heat preservation sandwich layer 3 and be equipped with the mounting groove that is used for installing flexible connectors 7. The mounting groove is a dovetail groove, and the length direction of the dovetail groove is in the vertical direction. One end of the flexible connecting piece 7 close to the inner steel wire mesh 1 is heated, and the flexible connecting piece 7 and the inner steel wire mesh 1 are fixedly butted when the flexible connecting piece is heated to a softening state. The outer layer steel wire mesh 2 and the inner layer steel wire mesh 1 are arranged in the same way.
The invention also provides a method for manufacturing the non-dismantling formwork for buildings, and please refer to fig. 8, which comprises the following steps:
welding transverse and longitudinal steel wire rows into a square hole net shape to obtain an inner steel wire net 1 and an outer steel wire net 2, and then arranging the inner steel wire net 1 and the outer steel wire net 2 in parallel at intervals to obtain a steel wire framework;
cutting the ceramic wool board into a preset size to obtain a heat-preservation core board; processing a pouring hole 301 in the vertical direction in the heat-insulating core plate, then injecting cement into the pouring hole 301, obtaining a cement column 4 after the cement is solidified, and forming a heat-insulating core layer 3 by using the cement column 4 and the heat-insulating core plate as an integrated structure;
placing the heat preservation core layer 3 in a steel wire framework, enabling the anchoring piece 6 to penetrate through the heat preservation core layer 3, and respectively welding and fixing the inner steel wire mesh 1 and the outer steel wire mesh 2 with the anchoring piece 6 to obtain a heat preservation structure assembly;
laying glass fiber gridding cloth on the outer side of the heat insulation structure component, and then uniformly coating mortar on the glass fiber gridding cloth; standing for 24-48 h under natural conditions to obtain the outer side plastering layer 5.
The manufacturing method of the non-dismantling formwork for the building, provided by the invention, has the beneficial effects that: compared with the prior art, the method for manufacturing the non-dismantling formwork for the building has the advantages that the cement is poured into the heat-insulating core plate, the cement columns 4 are formed, the structural strength of the heat-insulating core layer 3 is improved, the heat-insulating core layer 3 has certain bearing capacity, meanwhile, the outer side plastering layer 5 formed by the glass fiber gridding cloth and the mortar plays a role in protecting the heat-insulating core layer 3, and the heat-insulating core layer 3 is prevented from being damaged.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, the diameter of the steel wire is phi 5-20 mm, and the size of the square hole is 400-2500 mm2And the distance between the inner layer steel wire mesh 1 and the outer layer steel wire mesh 2 is 20-100 mm.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, the thickness of the heat-insulating core layer 3 is 20-100 mm.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, provided by the invention, the diameter of the anchoring bolt is 5-15 mm.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, provided by the invention, the mortar comprises the following components: 70-100 parts of cement, 80-120 parts of silica sand and 98-150 parts of water. The above parts are parts by mass, i.e. 1 part of cement, 1 part of silica sand and 1 part of water are the same in mass.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, the thickness of the mortar is 5-20 mm.
As a specific implementation mode of the manufacturing method of the non-dismantling formwork for the building, the alkali-resistant tensile breaking strength of the glass fiber gridding cloth is more than or equal to 750N/50mm (warp direction and weft direction).
Example one
In this embodiment, the overall size of the inner steel wire mesh 1 and the outer steel wire mesh 2 is 0.1m2The external dimension is 0.33m x 0.33m, the diameter of the steel wire is 2mm, and the size of the square hole is 400mm2(ii) a The distance between the inner layer steel wire mesh 1 and the outer layer steel wire mesh 2 is 20 mm.
In the embodiment, the heat-insulating core layer 3 is made of a ceramic wool board, the ceramic wool board is a plate made of aluminum silicate ceramic fibers, the heat conductivity coefficient of the plate is 0.03W/(m.k), and the combustion performance level of the plate is A1 level (GB 8624-2012). The thickness of the ceramic wool board is 20mm, the overall size cutting is 0.35m by 0.35m, and the width of the interface (the size of the heat preservation core layer 3 protruding out of the inner and outer steel wire mesh layers) is 0.02 m. The cement column 4 is positioned in the center of the heat-insulating core layer 3, and the diameter of the cement column is 10 mm.
In this embodiment, the diameter of the anchoring studs is 5 mm. And the anchoring bolt is inserted into and penetrates through the heat-insulating core layer 3 at an angle of 45 degrees, and the inner and outer layers of the steel wire meshes 2 are welded with the anchoring bolt to obtain the heat-insulating structural component.
In this example, the cement is portland cement, and the reference number is 42.5. The grain size of the silica sand is 40 meshes. The alkali-resistant tensile breaking strength of the glass fiber mesh cloth is 750N/50mm (warp direction and weft direction). Firstly, 70 parts of cement, 80 parts of silica sand and 98 parts of water are mixed into mortar, then, glass fiber grids are arranged on the outer side of the heat insulation structure component, and the mixed mortar is uniformly coated on the glass fiber grid cloth, wherein the thickness of the mortar is 5 mm. Standing for 48 hours under natural conditions to obtain the non-dismantling template for the building. The disassembly-free template for the building, which is prepared by the method for manufacturing the disassembly-free template for the building, has excellent performance, and various parameters and performance indexes are shown in table 1:
TABLE 1 Performance index of non-dismantling formwork system for construction
Example two
In this embodiment, the overall size of the inner steel wire mesh 1 and the outer steel wire mesh 2 is 1m2The external dimension is 1m x 1m, the diameter of the steel wire is 3mm, and the dimension of the square hole is 900mm2(ii) a The distance between the inner layer steel wire mesh 1 and the outer layer steel wire mesh 2 is 50 mm.
In this embodiment, the thermal insulation core layer 3 is formed by bonding a ceramic cotton plate and a polystyrene board, the ceramic cotton plate is a plate made of aluminum silicate ceramic fibers, the thermal conductivity of the ceramic cotton plate is 0.03W/(m · k), the combustion performance level of the ceramic cotton plate is a level a1 (GB 8624-. The thickness of the ceramic cotton plate is 30mm, the thickness of the polyphenyl plate is 20mm, the overall size cutting is 1.03m by 1.03m, and the interface width (the size of the heat preservation core layer 3 protruding out of the inner and outer steel wire mesh layers) is 0.03 m. The cement column 4 is positioned at the splicing position of the ceramic cotton plate and the polystyrene board, and the diameter of the cement column is 20 mm.
In this embodiment, the diameter of the anchoring studs is 10 mm. And the anchoring bolt is inserted into and penetrates through the heat-insulating core layer 3 at an angle of 90 degrees, and the inner and outer layers of the steel wire meshes 2 are welded with the anchoring bolt to obtain the heat-insulating structural component.
In this example, the cement is portland cement, and the reference number is 42.5. The grain size of the silica sand is 60 meshes. The alkali-resistant tensile breaking strength of the glass fiber mesh fabric is 850N/50mm (warp direction and weft direction). Firstly, mixing 85 parts of cement, 100 parts of silica sand and 106 parts of water into mortar, then arranging a glass fiber grid outside a heat insulation structure component, and then uniformly coating the mixed mortar on the glass fiber grid cloth, wherein the thickness of the mortar is 5 mm. Standing for 48 hours under natural conditions to obtain the non-dismantling template for the building. The disassembly-free template for the building, which is prepared by the method for manufacturing the disassembly-free template for the building, has excellent performance, and various parameters and performance indexes are shown in a table 2:
TABLE 2 Performance index of non-dismantling formwork system for construction
EXAMPLE III
In this embodiment, the overall size of the inner steel wire mesh 1 and the outer steel wire mesh 2 is 5m2The external dimension is 2.24 m/2.24 m, the diameter of the steel wire is 5mm, and the size of the square hole is 2500mm2(ii) a The distance between the inner layer steel wire mesh 1 and the outer layer steel wire mesh 2 is 100 mm.
In this embodiment, the thermal insulation core layer 3 is formed by bonding a ceramic cotton plate and an extruded sheet, the ceramic cotton plate is a plate made of aluminum silicate ceramic fibers, and the thermal conductivity coefficient thereof is as follows: 0.03W/(m.k), and the combustion performance grade is A1 grade (GB 8624-. The thickness of the ceramic wool board is 50mm, the thickness of the extrusion molding board is 50mm, the overall size cutting is 2.29m by 2.29m, and the interface width (the size of the heat preservation core layer 3 protruding the inner and outer steel wire mesh layers) is 0.05 m. The cement column 4 is positioned at the splicing part of the ceramic wool board and the extruded board, and the diameter of the cement column is 50 mm.
In this embodiment, the diameter of the anchoring studs is 15 mm. And the anchoring bolt is inserted into and penetrates through the heat-insulating core layer 3 at an angle of 90 degrees, and the inner and outer layers of the steel wire meshes 2 are welded with the anchoring bolt to obtain the heat-insulating structural component.
In this example, the cement is portland cement, and the reference number is 42.5. The grain size of the silica sand is 80 meshes. The alkali-resistant tensile breaking strength of the glass fiber mesh cloth is 900N/50mm (warp direction and weft direction). Firstly mixing 100 parts of cement, 120 parts of silica sand and 150 parts of water into mortar, then arranging a glass fiber grid outside a heat insulation structure component, and then uniformly coating the mixed mortar on the glass fiber grid cloth, wherein the thickness of the mortar is 20 mm. Standing for 48 hours under natural conditions to obtain the non-dismantling template for the building. The disassembly-free template for the building, which is prepared by the method for manufacturing the disassembly-free template for the building, has excellent performance, and various parameters and performance indexes are shown in a table 3:
TABLE 3 Performance index of non-dismantling formwork system for construction
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A disassembly-free template for buildings is characterized by comprising an inner steel wire mesh layer, an outer steel wire mesh layer, a heat preservation core layer, a cement column, an outer plastering layer and an anchoring piece; the heat-insulation core layer is positioned between the inner steel wire mesh and the outer steel wire mesh; a pouring hole is arranged in the heat-insulation core layer, the pouring hole is arranged in the vertical direction and penetrates through the heat-insulation core layer, and the cement column is positioned in the pouring hole; the outer side plastering layer is positioned on the outer side of the outer layer steel wire mesh; the anchoring piece penetrates through the heat preservation core layer and is fixed on the inner steel wire mesh and the outer steel wire mesh respectively.
2. The non-dismantling formwork for building use as claimed in claim 1, wherein said cement column is foamed cement.
3. The non-dismantling formwork for buildings as claimed in claim 1, wherein the side of the pouring hole is provided with an overflow groove for increasing the flow area of the pouring hole.
4. The non-dismantling formwork for construction as claimed in claim 3, wherein said overflow groove is provided along an axial direction of said pouring port, and a cross-sectional dimension of said overflow groove in a horizontal direction is gradually increased from top to bottom.
5. The disassembly-free formwork for buildings according to claim 4, wherein the heat-insulating core layer comprises a first heat-insulating plate and a second heat-insulating plate; and a first step table is arranged on the end surface of the inner side of the first heat-insulating plate, and a second step table which is in splicing fit with the first step table is arranged on the end surface of the outer side of the second heat-insulating plate.
6. The manufacturing method of the non-dismantling formwork for the building is characterized by comprising the following steps of:
welding transverse and longitudinal steel wire rows into a square hole net shape to obtain an inner steel wire net and an outer steel wire net, and then arranging the inner steel wire net and the outer steel wire net in parallel at intervals to obtain a steel wire framework;
cutting the ceramic wool board into a preset size to obtain a heat-preservation core board; processing a pouring hole in the vertical direction in the heat-insulation core plate, then injecting cement into the pouring hole, obtaining a cement column after the cement is solidified, and forming a heat-insulation core layer by using the cement column and the heat-insulation core plate as an integrated structure;
placing the heat-insulation core layer in the steel wire framework, enabling an anchoring part to penetrate through the heat-insulation core layer, and respectively welding and fixing the inner-layer steel wire mesh and the outer-layer steel wire mesh with the anchoring part to obtain a heat-insulation structural assembly;
paving glass fiber gridding cloth on the outer side of the heat-insulation structure component, and then uniformly coating mortar on the glass fiber gridding cloth; standing for 24-48 h under natural conditions to obtain an outer side finishing layer.
7. The method for manufacturing the non-dismantling formwork for buildings according to claim 6, wherein the diameter of the steel wire is phi 5 to 20mm, and the size of the square hole is 400 to 2500mm2And the distance between the inner layer of steel wire mesh and the outer layer of steel wire mesh is 20-100 mm.
8. The manufacturing method of the disassembly-free template for buildings as claimed in claim 6, wherein the thickness of the heat-insulating core layer is 20-100 mm.
9. The method for manufacturing the non-dismantling formwork for buildings according to claim 6, wherein the mortar comprises the following components: 70-100 parts of cement, 80-120 parts of silica sand and 98-150 parts of water.
10. The method for manufacturing the non-dismantling formwork for buildings according to claim 6, wherein the mortar has a thickness of 5 to 20 mm.
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Effective date of registration: 20230329 Address after: 063000 Chengxi Park, LUANNAN Economic Development Zone, LUANNAN COUNTY, Tangshan City, Hebei Province (south side of Luocheng street and west side of Jinxiu Road) Patentee after: Tangshan Huaxian Technology Co.,Ltd. Address before: 063500 Chengxi Park, LUANNAN Economic Development Zone, LUANNAN COUNTY, Tangshan City, Hebei Province Patentee before: Tangshan Huaxian inorganic fiber Research Institute Co.,Ltd. |