CN113550487A - Construction method of prefabricated air conditioner casing pipe - Google Patents
Construction method of prefabricated air conditioner casing pipe Download PDFInfo
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- CN113550487A CN113550487A CN202110681382.9A CN202110681382A CN113550487A CN 113550487 A CN113550487 A CN 113550487A CN 202110681382 A CN202110681382 A CN 202110681382A CN 113550487 A CN113550487 A CN 113550487A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
- E04C1/392—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra for ventilating, heating or cooling
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- 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
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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Abstract
The invention relates to the technical field of buildings, and discloses a construction method of a prefabricated air conditioner sleeve, which comprises the following steps: deriving a model and a processing diagram of the prefabricated air conditioner casing according to a BIM technology; manufacturing a pouring mold according to the size of the prefabricated air conditioner sleeve; manufacturing the sleeve main body; accurately placing the sleeve main body into the mold and fixing; pouring concrete into the mold; and (5) removing the die. According to the prefabricated air conditioner casing pipe provided by the invention, the casing pipe main body is embedded in the middle of the prefabricated building block to form a consistent prefabricated part, and a constructor can complete the installation of the whole casing pipe only by performing masonry construction at the corresponding position of the air conditioner casing pipe, so that the construction efficiency is improved, drilling materials are not wasted, and the construction materials are saved. In addition, not only can effective waterproof between sleeve pipe main part and the prefabricated brickwork, simultaneously, set up the central line of sleeve pipe main part for the horizontal plane slope also can avoid the rainwater to flow backward into indoorly from the sleeve pipe main part.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a construction method of a prefabricated air conditioner sleeve.
Background
In the building construction process, the situations that refrigerant and drain pipes of the split air conditioner penetrate through the wall are quite many, if a traditional method is adopted, the wall is built firstly, and then the air conditioner sleeve is installed on the wall by drilling, so that the construction period is long, more construction materials are wasted, and the phenomenon that the air conditioner sleeve is inaccurate in positioning and is inclined against the installation sleeve easily occurs. Meanwhile, secondary repair is needed outside the sleeve, so that not only is the efficiency low, but also the waterproof and impression quality is difficult to guarantee.
Disclosure of Invention
In order to solve the technical problems, the invention provides a construction method of a prefabricated air conditioner sleeve, which improves the construction efficiency, saves the construction materials, avoids the reverse slope of the sleeve and avoids the reverse flow of rainwater.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a construction method of a prefabricated air conditioner sleeve comprises a prefabricated building block and a sleeve main body, wherein the sleeve main body is embedded in the middle of the prefabricated building block, the center line of the sleeve main body is obliquely arranged relative to the horizontal plane, and the construction method comprises the following steps:
deriving a model and a processing diagram of the prefabricated air conditioner casing according to a BIM technology;
manufacturing a pouring mold according to the size of the prefabricated air conditioner sleeve;
manufacturing the sleeve main body;
accurately placing the sleeve main body into the mold and fixing;
pouring concrete into the mold;
and (5) removing the die.
Preferably, the inlet end of the casing main body is higher than the outlet end of the casing main body, and an included angle a between the center line of the casing main body and the horizontal plane is 3-10 degrees.
Preferably, both side surfaces of the prefabricated building block are vertical to the horizontal plane, and the end surfaces of both ends of the sleeve main body are parallel to the side surfaces of the prefabricated building block;
the inlet end of the sleeve main body protrudes the inner side of the prefabricated building block by 15-25 mm, and the outlet end of the sleeve main body protrudes the outer side of the prefabricated building block by 15-35 mm.
Preferably, the prefabricated building block is a cube or a cuboid, the width of the prefabricated building block is 100-300 mm, and the height of the prefabricated building block is 200-300 mm.
Preferably, when the model and the processing diagram of the prefabricated air-conditioning casing are exported, the size and the position of the casing main body required by the wall penetrating position of the indoor air-conditioning casing are determined according to the family-type master drawings, and the models of the structure, the building wall and the prefabricated building block pipeline are respectively created through Revit software.
Preferably, the mold comprises a mold body, a plurality of mold units for pouring the prefabricated air conditioner casing are uniformly distributed on the mold body, fixed steel molds are arranged at the upper end and the lower end of the mold body, and fixing holes for fixing the casing main bodies are formed in the fixed steel molds corresponding to the casing main bodies.
Preferably, the die body is assembled by wood templates, the surface flatness of the wood templates is less than 1mm, and the abutted seams between adjacent wood templates are less than 1 mm.
Preferably, the sleeve main body is manufactured, a PVC short pipe with a corresponding length is cut according to the vertical height of the mold, and two ends of the PVC short pipe are processed into inclined notches, so that the indoor end of the PVC short pipe is 3-10 mm higher than the outdoor end of the PVC short pipe.
Preferably, the concrete for pouring is prepared by mixing the residual masonry and plastering mortar of the civil engineering unit and the poured concrete by using a concrete mixer truck to obtain the composite concrete, and controlling the slump of the concrete at 120 mm.
Preferably, when concrete is poured into the mould, the concrete in each mould unit is vibrated by using an insertion type vibrator after the concrete is poured into the mould, the movement time interval of the insertion type vibrator is less than 1.5 times of the action radius of the vibrator, and the action radius is measured actually to determine the insertion distance.
Compared with the prior art, the construction method of the prefabricated air conditioner casing pipe has the beneficial effects that: according to the prefabricated air conditioner casing pipe manufactured by the invention, the casing pipe main body is embedded in the middle of the prefabricated building block to form a consistent prefabricated part, so that a constructor can complete the installation of the whole casing pipe only by performing masonry construction at the corresponding position of the air conditioner casing pipe, the air conditioner casing pipe does not need to be positioned, the phenomenon of reverse slope is avoided, the air conditioner casing pipe does not need to be installed on a built wall body by drilling, secondary repair is not needed outside the air conditioner casing pipe, the construction efficiency is improved, the drilling material is not wasted, and the construction material is saved. In addition, not only can effective waterproof between sleeve pipe main part and the prefabricated brickwork, simultaneously, set up the central line of sleeve pipe main part for the horizontal plane slope also can avoid the rainwater to flow backward into indoorly from the sleeve pipe main part. The invention has simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is a schematic structural view of a prefabricated air conditioner casing according to the present invention.
Fig. 2 is a construction flow chart of the prefabricated air conditioner casing according to the present invention.
Fig. 3 is a schematic structural view of the mold of the present invention.
FIG. 4 is a schematic view of PVC pipe fixation.
Wherein: 1-precast block, 2-casing main body, 21-inlet end, 22-outlet end, 3-mould, 31-mould unit, 32-fixed steel mould, 33-mould body.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, a prefabricated air conditioning casing construction method according to a preferred embodiment of the present invention includes a prefabricated block 1 and a casing main body 2, where the prefabricated block 1 is a lightweight concrete block, the casing main body 2 is a PVC pipe, and the diameter of the casing main body 2 is 50-70 mm, preferably 65 mm PVC pipe. The sleeve main body 2 is embedded in the middle of the prefabricated building block 1, two ends of the sleeve main body 2 extend to the outside of the prefabricated building block 1, the center line of the sleeve main body 2 is arranged in an inclined mode relative to the horizontal plane, and an included angle a between the center line of the sleeve main body 2 and the horizontal plane is 3-10 degrees.
In this embodiment, the inlet end 21 of the casing main body 2 is higher than the outlet end 22 of the casing main body 2, and the inlet end 21 of the casing main body 2 is the indoor side of the prefabricated building block 1 after being laid, so that the indoor end of the casing main body 2 is higher than the outdoor end thereof after being installed, and rainwater on the surface can flow backwards.
In this embodiment, both side surfaces of the precast block 1 are perpendicular to a horizontal plane, both side surfaces of the precast block 1, i.e., the indoor side and the outdoor side thereof, are parallel to the side surfaces of the precast block 1, and end surfaces of both ends of the sleeve main body 2 are parallel to each other, thereby ensuring the beauty after installation. Meanwhile, because the casing main body 2 is obliquely arranged, two ends of the casing main body 2 need to be cut into oblique angles the same as that of the casing main body 2 during manufacturing. However, in the concrete manufacturing process, the inclination angle is determined according to the thickness of the precast block 1, and it is ensured that the inlet end 21 of the sleeve body 2 protrudes 15-25 mm (b in fig. 1) of the precast block 1, the outlet end 22 of the sleeve body 2 protrudes 15-35 mm (c in fig. 1) of the precast block 1, and the included angle between the center line of the sleeve body 2 and the horizontal plane is 3-10 degrees, and finally, the inlet end of the sleeve body 2 is 3-10 mm higher than the outlet end thereof. The inlet end 21 and the outlet end 22 of the sleeve main body 2 protrude out of the prefabricated building block 1, so that the construction is convenient for decoration construction after construction of a building cavity, and the attractiveness is guaranteed.
In this embodiment, except that both side surfaces of the prefabricated block 1 are perpendicular to a horizontal plane, the remaining surfaces of the prefabricated block 1 may not be perpendicular or horizontal, but for convenience of construction, the prefabricated block 1 is preferably a cube or a cuboid, the width of the prefabricated block 1 is 100-300 mm, and the height of the prefabricated block 1 is 200-300 mm.
Referring to fig. 2, the construction method of the prefabricated air conditioner casing according to the present invention includes the following steps:
the model and the processing drawing of the prefabricated air-conditioning casing are derived according to the BIM technology, the size and the position of the casing main body 2 required by the wall penetrating position of the indoor air-conditioning casing are determined according to various indoor type large pattern drawings during specific construction, the models of a structure, a building wall and a prefabricated building block pipeline are respectively established through Revit software, and the models need to meet the requirements according to a structure drawing, a building decoration drawing and an electromechanical pipeline drawing. And generating a reserved hole map of the prefabricated air-conditioning casing pipes according to the arrangement of the comprehensive pipeline diagrams, determining the positions and the sizes of the prefabricated air-conditioning casing pipes, and coding the prefabricated casing pipes with different specifications to be detailed in the following diagram. And finally, checking whether the prefabricated building block pipelines and the structure and the building have conflicts or not by using a software collision function, and generating a collision report.
In addition, construction preparation is needed to be carried out before a model is exported in the actual construction process, all technical personnel participating in construction are organized, all contents of the prefabricated air conditioner casing pipe manufacturing and installation are carefully studied, the characteristics and technical requirements of prefabricated block manufacturing and installation are familiar and mastered, construction drawings and field actual measurement sizes are checked in detail, and drawing review and technical background operation are carried out in advance;
and manufacturing a pouring mold 3 according to the size of the prefabricated air conditioner sleeve. Referring to fig. 3, the mold 3 includes a mold body 33, a plurality of mold units 31 for casting the prefabricated air conditioning casings are uniformly distributed on the mold body 33, and each of the mold units 31 casts one of the prefabricated air conditioning casings. The upper end and the lower extreme of mould body 33 are equipped with fixed steel mould 32, correspond every on the fixed steel mould 32 the sleeve pipe main part 2 is equipped with the fixed orifices that is used for fixing sleeve pipe main part 2. The die body 33 is assembled by wood formworks, and the specific construction process comprises the steps of snapping lines, cutting the formworks, assembling and fixing the battens. The number and the size of the block molds 3 are confirmed according to drawings, and a plurality of square wood molds which are transversely arranged are prefabricated by a processing field and assembled on site. The cutting template and the battens use a high-speed disc table saw to ensure the flatness of the cut planks. The surface flatness of the wood template is controlled within 1mm, the abutted seam is smaller than lmm, the template has enough rigidity, strength and stability, polishing and rust-proof treatment are carried out, and the firmness and the processing size of the panel are mainly checked.
After the template and the battens enter the site, the template is assembled in advance by using a 'step-by-step' template fixture, when the clamp is used, one end of the clamping rod with a hook can hook the battens on one side of the template, and then the lower part of the movable clamp head is knocked towards the end with the hook of the clamping rod by using a hammer until the templates on the two sides are clamped. The gap between the hole of the movable chuck and the clamping rod is very small, so that the self-locking capacity is realized, and the self-locking capacity can resist the expansion force generated after the template is stressed. After the die is assembled, the flatness, the size, the abutted seams and the like of the die plate are corrected;
the sleeve body 2 is manufactured. During manufacturing, the PVC short pipe with the corresponding length is cut according to the vertical height of the die 3, the two ends of the PVC short pipe are processed into oblique notches, and the indoor opening of the sleeve is 3-10 mm higher than the outdoor opening of the sleeve, so that a certain gradient is formed, and rainwater is prevented from entering the indoor along the hole and leaking due to the fact that the outer wall of the sleeve is not tightly sealed with a secondary structure. And (4) exporting a model of the prefabricated air conditioner sleeve according to the BIM, and determining the position of the PVC pipe in the block mold. Cutting a proper wood pattern to be used as a bottom plate of the prefabricated sleeve;
the sleeve body 2 is accurately placed in the mold 3 and fixed. Since the PVC pipe is easily affected by external force to be offset-positioned in the process of pouring concrete, a fixed steel mold must be manufactured according to the specification and size of the PVC pipe and the positioning of the PVC pipe in the block mold, and the fixed steel mold 32 and the wood formwork are fixed using the step-by-step tightening fixture. A positioning line of the PVC pipe is drawn on a steel die bottom plate (the fixed steel die 32 located at the lower end of the die body 33) and a top plate (the fixed steel die 32 located at the upper end of the die body 33) and holes corresponding to the size of the PVC pipe are cut, and the PVC pipe is accurately positioned and placed in the fixing hole of the fixed steel die to be fixed (see fig. 4). In order to prevent concrete from being poured, concrete slurry permeates into the PVC pipe, and the fixing position of the PVC pipe and the two ends of the sleeve are tightly sealed by using solid adhesive tapes. In order to ensure that the sleeve component is not reversely installed inside and outside during building, according to the installation principle of the height inside and outside the PVC pipe, a surface A is marked on a steel mould top plate, and the surface A is marked on the corresponding finished prefabricated building block after mould removal, wherein the surface A is the outdoor surface; marking the steel die bottom plate as a B surface correspondingly, wherein the bottom surface of the finished prefabricated building block is the B surface which is an indoor surface;
concrete is poured into the mould 3. Mixing and stirring the residual masonry and plastering mortar and the pouring concrete of the civil engineering unit by using a concrete mixer truck to obtain composite concrete, and controlling the slump of the composite concrete to be 120mm within 100 plus materials by reducing the need of a test person at a project department to check the slump of the composite concrete in order to ensure the appearance quality of the concrete; pouring concrete into the mould 3; after the concrete is fed into the mould, the concrete in each mould is vibrated by using an inserted vibrator until the concrete coarse aggregate does not obviously sink and begins to spread, so that under-vibration or over-vibration is prevented; the plug-in vibrator moves, the distance is not larger than 1.5 times of the action radius of the vibrator, the action radius is measured actually, the plug-in distance is determined, and the PVC sleeve is prevented from being collided; according to actual conditions, the wall bodies with different thicknesses are required to use prefabricated building blocks with different specifications, after the thickness of the wall body is determined, concrete with corresponding height is poured in a prefabricated sleeve mould, and then the prefabricated building blocks with different specifications can be obtained;
and (5) removing the die. After pouring, maintenance is required to be performed, and the maintenance generally comprises the following steps: natural curing (common use): direct watering maintenance or film maintenance; covering, watering and maintaining: covering the concrete with a straw curtain, a flannelette blanket and the like within 3-12 hours after the concrete pouring is finished, and watering to keep the concrete moist; the concrete water curing time is that the concrete mixed by Portland cement, ordinary Portland cement or slag Portland cement is not less than 7 days; the watering frequency is required to keep the concrete in a wet state, and generally, when the temperature is more than 150 ℃, the concrete is watered for at least once every 3h in the daytime and twice at night in the first 3d after the concrete is poured, and then the concrete is watered for about three times every day and night. The watering times should be increased appropriately in high temperature or dry climates. Watering is not required when the average daily temperature is lower than 5 ℃; the concrete is covered and maintained by plastic cloth, the whole exposed surface of the concrete is tightly covered, and condensed water in the plastic cloth is kept; and (3) measuring the concrete strength in time after the maintenance is finished, and detaching the formwork when the concrete strength reaches the concrete strength inspection and evaluation standard (GBJ 50107-2010). And after the mold is removed, the prefabricated air conditioner sleeve is transported to a specified place to be orderly stacked.
In addition, when the prefabricated air conditioner casing pipe is constructed, electromechanical constructors assign the prefabricated casing pipe to a corresponding floor type, and when the masonry constructors build the casing pipe according to the position of the bim deepening model and the drawing when the wall body is built, the whole casing pipe construction process is completed. Before the prefabricated casing building blocks are built, a block arrangement diagram is drawn according to a plan view and a vertical view of a building so as to guide hoisting construction. The prefabricated sleeve is built by a 'three-in-one' brick building method. The "three-in-one" brick laying method is a brick laying method which comprises one brick, one ash shovel, one kneading and pressing and scraping the extruded mortar at hand (the brick is replaced by a prefabricated sleeve building block). The advantages of this building method are that the mortar joint is easy to be full, the cohesiveness is good and the wall surface is clean. The total quality requirement of the prefabricated air conditioner casing is that the strength of concrete blocks and mortar must meet the design requirement, and the masonry process comprises the following steps: horizontal and vertical, full mortar, staggered joint up and down, and internal and external lap joint. When plastering inside and outside, according to the thickness of layer of plastering and heat preservation, add and establish the sleeve pipe, length should not be less than 20mm, guarantees sleeve pipe end and wall plastering face parallel and level.
According to the prefabricated air conditioner sleeve manufactured by the invention, the sleeve main body 2 is embedded in the middle of the prefabricated building block 1 to form a uniform prefabricated part, and a constructor only needs to perform masonry construction at a position corresponding to the air conditioner sleeve to complete the installation of the whole sleeve, so that the air conditioner sleeve does not need to be positioned, the phenomenon of reverse slope is avoided, the air conditioner sleeve does not need to be installed on a built wall body by drilling, secondary repair is not needed outside the air conditioner sleeve, the construction efficiency is improved, the drilling material is not wasted, and the construction material is saved. In addition, not only can effective waterproof between sleeve pipe main part and the prefabricated brickwork, simultaneously, set up the central line of sleeve pipe main part for the horizontal plane slope also can avoid the rainwater to flow backward into indoorly from the sleeve pipe main part. The invention has simple structure, good use effect and easy popularization and use.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A construction method of a prefabricated air conditioner sleeve is characterized by comprising the following steps: the prefabricated air conditioner sleeve comprises a prefabricated building block and a sleeve main body, wherein the sleeve main body is embedded in the middle of the prefabricated building block, the center line of the sleeve main body is obliquely arranged relative to the horizontal plane, and the construction method comprises the following steps:
deriving a model and a processing diagram of the prefabricated air conditioner casing according to a BIM technology;
manufacturing a pouring mold according to the size of the prefabricated air conditioner sleeve;
manufacturing the sleeve main body;
accurately placing the sleeve main body into the mold and fixing;
pouring concrete into the mold;
and (5) removing the die.
2. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: the inlet end of the casing main body is higher than the outlet end of the casing main body, and an included angle a between the central line of the casing main body and the horizontal plane is 3-10 degrees.
3. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: the two side surfaces of the prefabricated building block are vertical to the horizontal plane, and the end surfaces of the two ends of the sleeve main body are parallel to the side surfaces of the prefabricated building block;
the inlet end of the sleeve main body protrudes the inner side of the prefabricated building block by 15-25 mm, and the outlet end of the sleeve main body protrudes the outer side of the prefabricated building block by 15-35 mm.
4. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: the prefabricated building block is a cube or a cuboid, the width of the prefabricated building block is 100-300 mm, and the height of the prefabricated building block is 200-300 mm.
5. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: and when the model and the processing diagram of the prefabricated air-conditioning casing are exported, the size and the position of the casing main body required by the wall penetrating position of the indoor air-conditioning casing are determined according to the family type master drawings, and the models of the structure, the building wall and the prefabricated building block pipeline are respectively established through Revit software.
6. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: the mould comprises a mould body, wherein a plurality of mould units for pouring the prefabricated air conditioner casing are uniformly distributed on the mould body, fixed steel moulds are arranged at the upper end and the lower end of the mould body, and fixing holes for fixing the casing main body are formed in the fixed steel moulds corresponding to the casing main body.
7. The construction method of the prefabricated air conditioner casing as claimed in claim 6, wherein: the mould body is assembled by the plank sheathing, and the surface smoothness of plank sheathing is less than 1 millimeter, and the piece seam between the adjacent plank sheathing is less than 1 millimeter.
8. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: and manufacturing the sleeve main body, cutting out a PVC short pipe with corresponding length according to the vertical height of the mould, and processing two ends of the PVC short pipe into oblique notches to enable the indoor end of the PVC short pipe to be 3-10 mm higher than the outdoor end of the PVC short pipe.
9. The construction method of the prefabricated air conditioner casing as claimed in claim 1, wherein: and (3) stirring and mixing the residual masonry and plastering mortar of the civil engineering unit and the poured concrete by using a concrete stirring truck to obtain the composite concrete, and controlling the slump of the concrete to be 100-120 mm.
10. The construction method of the prefabricated air conditioner casing as claimed in claim 6, wherein: when concrete is poured in the mould, the concrete in each mould unit is vibrated by using an inserted vibrator after the concrete is poured into the mould, the moving time distance of the inserted vibrator is less than 1.5 times of the action radius of the vibrator, the action radius is measured actually, and the insertion distance is determined.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114892819A (en) * | 2022-06-08 | 2022-08-12 | 中建五局第三建设(深圳)有限公司 | Pre-closing construction method for wall body of pipeline dense area |
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| CN202767335U (en) * | 2012-09-28 | 2013-03-06 | 湖南东方红建设集团有限公司 | Prefabricated concrete block facilitating air conditioner installation |
| CN204040300U (en) * | 2014-08-26 | 2014-12-24 | 中国建筑第四工程局有限公司 | A kind of prefabricated wall feed-through pipeline structure of masonry wall |
| CN107186865A (en) * | 2017-07-28 | 2017-09-22 | 陕西建工第十建设集团有限公司 | A kind of mould and forming method of wall bushing prefabricated section |
| CN207177063U (en) * | 2017-08-30 | 2018-04-03 | 中建新疆建工（集团）有限公司 | A kind of blockwork of pre-buried air conditioner condensate water drain bushing |
| CN108748609A (en) * | 2018-04-13 | 2018-11-06 | 五冶集团上海有限公司 | A kind of pvc pipe based on concrete prefabricated member makees the construction method in provided pipe hole |
| CN109797899A (en) * | 2019-03-21 | 2019-05-24 | 广西建工集团建筑工程总承包有限公司 | Blockwork and its construction with air-conditioning hole |
| CN111136763A (en) * | 2020-01-09 | 2020-05-12 | 五冶集团上海有限公司 | Manufacturing method of air conditioner hole and exhaust hole concrete precast block |
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| CN114892819A (en) * | 2022-06-08 | 2022-08-12 | 中建五局第三建设(深圳)有限公司 | Pre-closing construction method for wall body of pipeline dense area |
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