CN113882559A - Manufacturing method of steel structure building filler wall - Google Patents
Manufacturing method of steel structure building filler wall Download PDFInfo
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- CN113882559A CN113882559A CN202010623093.9A CN202010623093A CN113882559A CN 113882559 A CN113882559 A CN 113882559A CN 202010623093 A CN202010623093 A CN 202010623093A CN 113882559 A CN113882559 A CN 113882559A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 239000000945 filler Substances 0.000 title abstract description 11
- 239000010440 gypsum Substances 0.000 claims abstract description 117
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 117
- 239000002002 slurry Substances 0.000 claims abstract description 94
- 238000005507 spraying Methods 0.000 claims abstract description 79
- 239000002131 composite material Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000037452 priming Effects 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 17
- 239000010451 perlite Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 68
- 230000006872 improvement Effects 0.000 description 11
- 238000009415 formwork Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 235000019362 perlite Nutrition 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011507 gypsum plaster Substances 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical group O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
-
- 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
-
- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
-
- 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
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
The invention relates to a method for manufacturing a steel structure building filler wall, which adopts a two-time spraying forming process, wherein gypsum slurry is sprayed on a supporting template and an inner keel frame for the first time, a priming slurry layer is formed after initial setting for a set time, and the supporting template is positioned on one side of the inner keel frame; directly spraying gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body; and finally leveling and removing the supporting template. The spraying can be carried out twice, the formed gypsum wall can be sprayed, gypsum blocks do not need to be transported on site, the occupation of the site construction environment is avoided, the site construction efficiency is high, and the construction is convenient.
Description
Technical Field
The invention relates to a method for manufacturing a steel structure building filler wall.
Background
In the existing steel structure building, as a filler wall without bearing capacity, the rigidity setting of the filler wall is different from that of a shear wall, and an ALC (autoclaved lightweight concrete) batten is usually adopted to manufacture the filler wall at present, but when the ALC batten is used for manufacturing a wall body, a construction period is long, wet operation, plastering hollowness, heavy self weight and the like are determined due to surface plastering. At present, also have the gypsum block infilled wall that discloses in the chinese utility model patent of adopting as the grant publication number CN204850146U, it mainly forms by laying the gypsum block in the filling frame, this kind of gypsum block can be directly at the construction of surperficial putty coating, it is light to have the dead weight, advantages such as construction is simple and convenient swift, but if in order to guarantee higher efficiency of construction, need prefabricate the gypsum block in the mill in advance, transport the gypsum block to the on-the-spot construction of piling up again, the gypsum block volume is great relatively, it is comparatively inconvenient to transport, the on-the-spot is piled up temporarily and also can occupation space, it is relatively poor to lead to the on-the-spot construction environment.
Disclosure of Invention
The invention aims to provide a method for manufacturing a steel structure building infilled wall, which aims to solve the technical problem that the transportation and storage of gypsum blocks are inconvenient when the infilled wall is formed by stacking the gypsum blocks in the prior art.
In order to achieve the purpose, the technical scheme of the method for manufacturing the steel structure building infilled wall provided by the invention is as follows: a steel structure building infilled wall manufacturing approach, first to formwork and inboard keel frame spraying gypsum slurry, form and make the slurry bed after setting for the beginning time, the said formwork is located one side of the inner keel frame; directly spraying gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body; and finally leveling and removing the supporting template.
The beneficial effects are that: according to the manufacturing method of the filler wall, provided by the invention, a two-time spraying forming process is adopted, the gypsum slurry is sprayed for the first time, a priming slurry layer is formed after initial setting, then the gypsum composite slurry is directly sprayed for the second time until the wall body is formed, and the formed gypsum wall body can be sprayed by two-time spraying, so that gypsum blocks do not need to be transported on site, the site construction efficiency is high, and the construction is convenient under the condition that the site construction environment is not occupied too much.
As a further improvement, when spraying the gypsum composite slurry, the spraying is piled up layer by layer from bottom to top, and each horizontal layer is kept flat when the spraying is finished.
The beneficial effects are that: when spraying the gypsum composite slurry, a layer-by-layer piling spraying mode is adopted, the next layer is sprayed firstly, when the design thickness of the wall body is met and the wall body is kept flat, the previous layer is piled and sprayed, and the layer-by-layer spraying and the piling are carried out until the slurry spraying is finished. Due to the fact that the layer-by-layer piling spraying mode is adopted, mutual combination extrusion effect exists between the upper layer and the lower layer, the combination force is stronger, the problem of long joints existing in the process of spraying layer by layer from inside to outside can be effectively solved, and the durability of the gypsum wall body formed by spraying can be effectively improved.
As a further improvement, the gypsum composite slurry is a gypsum perlite composite slurry.
The beneficial effects are that: the environment-friendly gypsum composite slurry is adopted, and has the advantages of fire resistance, heat insulation performance and wide application range.
As a further improvement, the thickness of the priming slurry layer is 8-12 mm.
As a further improvement, the thickness of the primer paste layer is 10 mm.
The technical scheme of the method for manufacturing the steel structure building infilled wall provided by the invention is as follows: a steel structure building infilled wall manufacturing approach, first spray gypsum slurry to wall component board and inboard keel frame, form and make the slurry bed after setting for the beginning of the time, the said wall component board locates at one side of the inboard keel frame; directly spraying gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body; and finally leveling.
The beneficial effects are that: according to the manufacturing method of the filler wall, provided by the invention, a two-time spraying forming process is adopted, the gypsum slurry is sprayed for the first time, a priming slurry layer is formed after initial setting, then the gypsum composite slurry is directly sprayed for the second time until the wall body is formed, and the formed gypsum wall body can be sprayed by two-time spraying, so that gypsum blocks do not need to be transported on site, the site construction efficiency is high, and the construction is convenient under the condition that the site construction environment is not occupied too much. And moreover, the wall member plate is used as a supporting template, so that the wall member plate does not need to be additionally detached, and the construction efficiency can be further improved.
As a further improvement, when spraying the gypsum composite slurry, the spraying is piled up layer by layer from bottom to top, and each horizontal layer is kept flat when the spraying is finished.
The beneficial effects are that: when spraying the gypsum composite slurry, a layer-by-layer piling spraying mode is adopted, the next layer is sprayed firstly, when the design thickness of the wall body is met and the wall body is kept flat, the previous layer is piled and sprayed, and the layer-by-layer spraying and the piling are carried out until the slurry spraying is finished. Due to the fact that the layer-by-layer piling spraying mode is adopted, mutual combination extrusion effect exists between the upper layer and the lower layer, the combination force is stronger, the problem of long joints existing in the process of spraying layer by layer from inside to outside can be effectively solved, and the durability of the gypsum wall body formed by spraying can be effectively improved.
As a further improvement, the gypsum composite slurry is a gypsum perlite composite slurry.
The beneficial effects are that: the environment-friendly gypsum composite slurry is adopted, and has the advantages of fire resistance, heat insulation performance and wide application range.
As a further improvement, the thickness of the priming slurry layer is 8-12 mm.
As a further improvement, the thickness of the primer paste layer is 10 mm.
As a further improvement, the wall component plate is an external wall insulation plate, and the manufacturing method of the steel structure building infilled wall is used for manufacturing an external wall.
As a further improvement, the wall body component is a gypsum veneer, and the manufacturing method of the steel structure building infill wall is used for manufacturing an inner wall.
Drawings
FIG. 1 is a schematic view of a steel structure building infilled wall formed by spraying according to embodiment 1 of the method for manufacturing the steel structure building infilled wall provided by the invention;
FIG. 2 is a schematic structural view of the inner keel frame in FIG. 1;
FIG. 3 is a schematic view of a steel structure building infilled wall formed by spraying according to embodiment 2 of the method for manufacturing the steel structure building infilled wall provided by the invention;
FIG. 4 is a schematic structural view of the inner keel frame of FIG. 3;
FIG. 5 is a schematic view of a steel structure building infilled wall manufactured by spray forming according to embodiment 3 of the method for manufacturing the steel structure building infilled wall provided by the invention;
fig. 6 is a spray route diagram for each horizontal layer when the spray gypsum composite slurry is piled up layer by layer from bottom to top (arrows indicate spray routes).
Description of reference numerals:
1-lower floor, 2-bottom fasteners, 3-veneer layer, 4-gypsum wall, 5-rock wool heat-insulating board, 6-top steel beam, 61-lower flange, 7-bottom U-shaped piece, 8-inner keel frame, 81-vertical steel member, 82-transverse steel member, 9-lower U-shaped piece, 10-upper U-shaped piece, 11-upper floor, 12-inner veneer layer, 13-outer heat-insulating board, 14-inner reinforced steel member, 15-outer reinforced steel member, 16-elastic buffer layer, 100-priming slurry layer, 200-gypsum composite slurry layer and 300-gypsum veneer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The concrete embodiment 1 of the method for manufacturing the steel structure building infilled wall provided by the invention is as follows:
the manufacturing method of the steel structure building filler wall in the embodiment is used for manufacturing the inner partition wall, and adopts a two-time forming process, namely:
spraying gypsum slurry on the supporting template and the inner keel frame for the first time, and forming a priming slurry layer after initial setting for a set time. The formwork and the inner keel frame are required to be pre-installed, the formwork is located on one side of the inner keel frame, and gypsum slurry is directly sprayed on the other side formwork and the inner keel frame of the inner keel frame by a spraying machine during spraying.
The thickness of the gypsum slurry sprayed for the first time is about 10 mm, and the thickness of the sprayed gypsum slurry can be determined to be 8-12 mm before, preferably 10 mm according to actual needs and process methods.
The gypsum slurry is mainly a mixture of gypsum and water, and is not mixed with other substances.
Then, directly spraying the gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body. The set thickness meets the requirement that the total thickness of the gypsum wall body obtained by two times of spraying reaches the thickness of the designed wall body.
It should be noted that, as shown in fig. 6, when the gypsum composite slurry is sprayed on the base slurry layer 100, the gypsum composite slurry layer 200 is formed by stacking and spraying from bottom to top, and each horizontal layer is kept flat when spraying is completed. When the gypsum composite slurry is sprayed in each horizontal layer, the gypsum composite slurry is firstly sprayed rightwards from the initial area at one end along the arrow path shown in figure 6, and is folded backwards and sprayed leftwards when reaching the revolving area at the other end, so that the single-layer spraying is completed. And after the single-layer spraying is finished, the coating is in a flat state, and then a layer is piled up and sprayed on the basis again. The left-right direction is defined as the length direction, the direction vertical to the priming slurry layer is defined as the thickness direction, and the thickness of each horizontal layer is equal to the design thickness of the gypsum wall.
The mode of spraying layer by layer is adopted, the upper layer and the lower layer are combined and extruded mutually, the binding force is stronger, the problem of long joints existing in the process of spraying layer by layer from inside to outside can be effectively avoided, and the durability of the gypsum wall formed by spraying can be effectively improved.
The gypsum composite slurry sprayed for the second time is particularly gypsum-perlite composite slurry, and particularly comprises gypsum, perlite and the like, wherein the gypsum is phosphogypsum which is an inorganic material, is green and environment-friendly, and has good fireproof and heat-insulating properties.
And after the wall body is formed by spraying twice, finally leveling and removing the corresponding supporting template.
According to the actual requirement, a finishing coat can be manufactured on the surface of the wall body, for example, alkali-resistant seal primer, glass fiber mesh cloth and surface gypsum plaster are coated.
The wall structure manufactured by the manufacturing method is shown in fig. 1 and 2, the inner partition wall is positioned between an upper floor 11 and a lower floor 1, and a top steel beam 6 and a gypsum wall 4 formed by gypsum spraying are arranged between the upper floor and the lower floor.
In fact, the top steel beam 6 belongs to the steel structure frame of the steel structure building, the two ends of the top steel beam 6 are correspondingly and fixedly assembled with the steel structure upright posts, and the top steel beam 6 is also used for receiving the upper floor 11. The top steel beam 6 here extends in the length direction of the infill wall joint, and in fact the length direction of the top steel beam 6 coincides with the length direction of the gypsum wall 4.
In this embodiment, the top steel beam 6 is specifically an i-steel, the lower side of the lower flange 61 of the i-steel is welded with the upper U-shaped part 10, the upper U-shaped part 10 is sequentially distributed along the length direction of the top steel beam 6, and the openings of the upper U-shaped parts 10 are all arranged downwards so as to be used for inserting and assembling the lower U-shaped parts 9, thereby realizing the positioning of the integrated wall.
The gypsum wall body 4 is formed by spraying gypsum and solidifying, specifically, an inner keel frame 8 is fixedly installed on a steel structure frame, the inner keel frame 8 comprises a transverse steel component 82 and a vertical steel component 81 which are assembled in a staggered mode, both the transverse steel component 82 and the vertical steel component 81 can adopt bundled steel components with higher strength, and the bundled steel components can adopt reinforced G-shaped steel, and the concrete structure is a G-shaped steel structure disclosed in the Chinese utility model with the authorization publication number of CN206888350U, and comprises a bottom plate extending along the front and rear length directions, a left side plate and a right side plate are arranged on the left and right width sides of the bottom plate, a left wing plate is inwards turned on the top of the left side plate, a right wing plate is inwards turned on the top of the right side plate, opposite ends of the left wing plate and the right wing plate are respectively provided with reinforcing edges turned over towards the bottom plate so as to enable the left wing plate, the right wing plate forms the restraint limit, and its overall structure intensity is higher.
Set up a plurality of elliptical holes respectively on horizontal steel member 82 and vertical steel member 81 for the gypsum material of spraying gets into in the elliptical hole, and, horizontal steel member corresponds the clearance cartridge in order to form crisscross node in the corresponding elliptical hole of vertical steel member, horizontal steel member and vertical steel member in crisscross node fixed connection in order to form whole inboard keel frame.
In practice, in the specific installation, the bottom U-shaped element 7 is first fixed to the lower foundation (e.g. on the lower floor level), the bottom U-shaped element 7 being open upwards, the bottom U-shaped element 7 being fixable to the lower foundation by means of a nail, and the bottom of the top steel beam 6 is welded and connected with a plurality of upper U-shaped parts 10, the upper U-shaped parts 10 are sequentially distributed at intervals along the extension direction of the upper steel beam, the openings of the upper U-shaped parts are all arranged downwards, then the vertical steel members 81 are sequentially fixed inside the bottom U-shaped member 7 from left to right and can be fixedly connected by adopting the modes of keel clamps, shooting nails, self-tapping nails and the like, the lower U-shaped member 9 is then placed between the vertical steel members 81 and the upper U-shaped member 10, the lower U-shaped member 9 being open downwards, and through the fossil fragments pincers, penetrate modes such as nail, tapping screw and vertical fossil fragments top fixed connection, lower U-shaped 9 is inserted with last U-shaped 10 clearance and is joined in marriage, and packs the rock wool heated board as elastic buffer material between the two. Then, the transverse steel members 82 are cut off and correspondingly penetrate into elliptical holes in the vertical steel members 81, and then the butt joints of the transverse steel members 82 at all sections are fixedly connected in such a way as keel clamps, self-tapping screws, shooting screws and the like.
For convenient grafting assembly, during the design, can make and go up the U-shaped spare and leave 2 millimeters assembly gaps between the U-shaped spare down in top girder steel width direction, not only convenient assembly, when also making things convenient for the top girder steel to warp down and warp, avoid causing the influence to inboard keel frame.
The upper U-shaped members 10 are spaced apart from each other along the length of the top steel beam 6, and the lower U-shaped members 9 extend along the length of the top steel beam 6, and are of an integral structure, so as to be integrally connected to the gypsum wall, thereby improving the overall strength of the integrated wall.
When the gypsum wall is formed by spraying, the inner keel frame can be built firstly, then the branch formwork is added on one side, gypsum slurry is sprayed firstly to form a priming slurry layer, then gypsum composite slurry is directly sprayed for the second time for forming, and finally the corresponding branch formwork is leveled and removed.
When the gypsum composite slurry is sprayed, a mode of combining manual spraying with robot spraying can be adopted, the manual spraying is mainly aimed at spraying the keel frame locally in a small area, the robot spraying is mainly aimed at spraying and building a large-area wall, the efficiency is high, and the manpower can be effectively saved.
In addition, after the gypsum wall is formed by spraying, in order to improve the aesthetic effect, the surface of the wall can be added with a finish coat 3, and specifically, alkali-resistant sealing primer, glass fiber mesh cloth and finish gypsum plastering can be applied to achieve the corresponding aesthetic and protective effects.
The concrete embodiment 2 of the method for manufacturing the steel structure building infilled wall provided by the invention is as follows:
the manufacturing method of the steel structure building infilled wall in the embodiment is used for manufacturing infilled external walls, and the two-time forming process is also adopted, namely:
spraying gypsum slurry to the outer insulation board and the inner keel frame for the first time, and forming a priming slurry layer after initial setting for a set time. The outer heat-insulation board and the inner keel frame need to be installed in advance, the outer heat-insulation board is located on the outer side of the inner keel frame, and gypsum slurry is sprayed on the inner outer heat-insulation board and the inner keel frame by directly utilizing a spraying machine during spraying.
The thickness of the gypsum slurry sprayed for the first time is about 10 mm, and the thickness of the sprayed gypsum slurry can be determined to be 8-12 mm before, preferably 10 mm according to actual needs and process methods.
The gypsum slurry is mainly a mixture of gypsum and water, and is not mixed with other substances.
Then, directly spraying the gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body. The set thickness meets the requirement that the total thickness of the gypsum wall body obtained by two times of spraying reaches the thickness of the designed wall body.
Similarly, as shown in fig. 6, when the gypsum composite slurry is sprayed on the base of the primer slurry layer 100, the gypsum composite slurry layer 200 is formed by stacking and spraying from bottom to top, and each horizontal layer is kept flat when spraying is completed. When the gypsum composite slurry is sprayed in each horizontal layer, the gypsum composite slurry is firstly sprayed rightwards from the initial area at one end along the arrow path shown in figure 6, and is folded backwards and sprayed leftwards when reaching the revolving area at the other end, so that the single-layer spraying is completed. And after the single-layer spraying is finished, the coating is in a flat state, and then a layer is piled up and sprayed on the basis again. The left-right direction is defined as the length direction, the direction vertical to the priming slurry layer is defined as the thickness direction, and the thickness of each horizontal layer is equal to the design thickness of the gypsum wall.
The gypsum composite slurry sprayed for the second time is particularly gypsum-perlite composite slurry, and particularly comprises gypsum, perlite and the like, wherein the gypsum is phosphogypsum which is an inorganic material, is green and environment-friendly, and has good fireproof and heat-insulating properties.
And after the wall is formed by spraying twice, finally leveling.
According to the actual requirement, a finishing coat can be manufactured on the surface of the wall body, for example, alkali-resistant seal primer, glass fiber mesh cloth and surface gypsum plaster are coated.
The external heat-insulation board is a wall component board forming a wall body, is used as a supporting template in the spraying and forming process of a gypsum wall body, and does not need to be dismantled after the wall body is formed.
The structure of the outer infill wall manufactured by the above manufacturing method is shown in fig. 3 and 4:
the filler wall joint in the embodiment also comprises an upper floor 11 and a lower floor 1 which correspond to each other, an inner keel frame 8 is correspondingly arranged between the upper floor and the lower floor, gypsum composite slurry is sprayed on the inner keel frame 8, and a gypsum wall body is formed after the gypsum composite slurry is solidified.
The structure of the inner keel frame 8 in this embodiment is the same as that of the inner keel frame in fig. 2, and also comprises transverse steel members and vertical steel members, and is also fixedly assembled with the bottom U-shaped member 7 and the lower U-shaped member 9, the bottom U-shaped member 7 is also fixed on the lower floor 1 through a bottom fastener, the lower U-shaped member 9 is assembled with the upper U-shaped member 10 in an inserting manner, the upper U-shaped member 10 is welded and connected with the lower flange 61 at the bottom of the top steel beam 6, and the upper U-shaped member 10 is of a through structure and is equal to the length of the lower U-shaped member 9. Similarly, an elastic buffer layer 16 is filled between the upper U-shaped element 10 and the lower U-shaped element 9, wherein the elastic buffer layer 16 can be selected from one of rock wool insulation boards, XPS insulation boards or polyurethane insulation boards.
For the self intensity that improves the top girder steel, can set up the reinforcement respectively in the inside and outside both sides of the web of top girder steel 6, correspondingly, including inboard reinforcing steel member 14 and outside reinforcing steel member 15, the inside and outside both sides reinforcing steel member of here all adopts strenghthened type G shaped steel, concrete structure is the G shaped steel structure disclosed in the chinese utility model patent that the publication number is CN206888350U as authorizing, include the bottom plate that extends along front and back length direction, the left and right sides width both sides of bottom plate are provided with left side board and right side board, the top enstrophe of left side board has left wing board, the top of right side board has right wing board towards left wing board enstrophe, left wing board, right wing board's looks remote site is provided with respectively and turns over the enhancement limit of rolling over towards the bottom plate so that left wing board, right wing board forms the restraint limit, its overall structure intensity is higher.
When the manufacturing method provided by the embodiment is used for manufacturing the external wall, the inner keel frame 8 is firstly built, then the outer insulation board 13 is fixedly connected to the inner keel frame 8, the outer insulation board at the position serves as a supporting template, then the gypsum composite slurry is sprayed to the inner keel frame and the outer insulation board twice to solidify and form a gypsum wall body, and then the leveling is carried out.
After the integrated gypsum wall body is formed by spraying, the inner side of the gypsum wall body is provided with the inner decorative surface layer 12, and the inner decorative surface layer 12 can be specifically formed by brushing alkali-resistant sealing primer, glass fiber mesh cloth and surface layer gypsum plaster so as to achieve corresponding attractive appearance and protection effects.
The concrete embodiment 3 of the method for manufacturing the steel structure building infilled wall provided by the invention is as follows:
the present embodiment is different from embodiment 1 mainly in that: example 1 is used for forming an internal partition wall, and after forming is completed, a pre-installed formwork needs to be removed. In this embodiment, as shown in fig. 5, the gypsum veneer 300 is also used for forming an internal partition wall, and is used as a wall component board to be fixedly assembled with an inner keel frame, a layer of gypsum slurry is sprayed to form a primer slurry layer 100, and then the gypsum composite slurry is sprayed to form a gypsum composite slurry layer 200 by stacking layer by layer from bottom to top, after the wall is formed by spraying gypsum and setting twice, the gypsum veneer 300 does not need to be removed, and the gypsum veneer 300 can play an internal decoration role.
It should be noted here that, in the above three embodiments, gypsum slurry is used for priming, the process has unique advantages, the gypsum slurry has strong cohesive force, can effectively prevent perlite in the gypsum-perlite composite slurry from colliding and bouncing with the supporting template or the insulation board or the gypsum veneer, has good affinity with the gypsum-perlite composite slurry, and can effectively avoid the phenomena of peeling, uneven cavity and compactness and the like between the sprayed gypsum-perlite composite slurry and the supporting template or the inner insulation board or the gypsum veneer.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A manufacturing method of a steel structure building infilled wall is characterized in that:
spraying gypsum slurry on a supporting template and an inner keel frame for the first time, and forming a priming slurry layer after initial setting for a set time, wherein the supporting template is positioned on one side of the inner keel frame;
directly spraying gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body;
and finally leveling and removing the supporting template.
2. The method for manufacturing the steel structure building infilled wall according to claim 1, characterized in that: when spraying the gypsum composite slurry, the gypsum composite slurry is piled up layer by layer from bottom to top for spraying, and each horizontal layer keeps flat after spraying.
3. The method for manufacturing the steel structure building infill wall according to claim 1 or 2, wherein: the gypsum composite slurry is gypsum-perlite composite slurry.
4. The method for manufacturing the steel structure building infill wall according to claim 1 or 2, wherein: the thickness of the priming slurry layer is 8-12 mm.
5. A manufacturing method of a steel structure building infilled wall is characterized in that:
spraying gypsum slurry on the wall member plate and the inner keel frame for the first time, and forming a priming slurry layer after initial setting for a set time, wherein the wall member plate is positioned on one side of the inner keel frame;
directly spraying gypsum composite slurry to a set thickness for the second time, and then solidifying and forming the wall body;
and finally leveling.
6. The method for manufacturing the steel structure building infilled wall according to claim 5, characterized in that: when spraying the gypsum composite slurry, the gypsum composite slurry is piled up layer by layer from bottom to top for spraying, and each horizontal layer keeps flat after spraying.
7. The method for manufacturing the steel structure building infilled wall according to claim 5, characterized in that: the gypsum composite slurry is gypsum-perlite composite slurry.
8. The method for manufacturing the steel structure building infilled wall according to claim 5, characterized in that: the thickness of the priming slurry layer is 8-12 mm.
9. The method for manufacturing the steel structure building infill wall according to any one of claims 5 to 8, wherein: the wall component plate is an outer wall insulation plate, and the manufacturing method of the steel structure building infilled wall is used for manufacturing an outer wall.
10. The method for manufacturing the steel structure building infill wall according to any one of claims 5 to 8, wherein: the wall body component is a gypsum veneer, and the manufacturing method of the steel structure building infilled wall is used for manufacturing an inner wall.
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