CN115075494A - Wall terrazzo integrated pouring construction method - Google Patents

Wall terrazzo integrated pouring construction method Download PDF

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Publication number
CN115075494A
CN115075494A CN202210866082.2A CN202210866082A CN115075494A CN 115075494 A CN115075494 A CN 115075494A CN 202210866082 A CN202210866082 A CN 202210866082A CN 115075494 A CN115075494 A CN 115075494A
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layer
pouring
wall
construction
template
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江卫强
杜海
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Beijing Dagu Construction Technology Development Co ltd
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Beijing Dagu Construction Technology Development Co ltd
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Priority to CN202210866082.2A priority Critical patent/CN115075494A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/045—Means for fastening plaster-bases to a supporting structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/088—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements fixed directly to the wall by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the covering element
    • E04F13/0882—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements fixed directly to the wall by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the covering element by hook and loop-type fasteners
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/141—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/04—Patterns or templates; Jointing rulers
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • 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
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • 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
    • 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
    • E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
    • 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
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0505—Pegs or pins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Retaining Walls (AREA)

Abstract

The invention relates to a wall terrazzo integrated pouring construction method, which belongs to the technical field of wall construction and comprises the following steps: the construction method comprises the following steps of constructing a bottom sealing interface layer, a construction template mould layer, a construction keel supporting protective layer, a construction internal reinforcing layer, a construction water retention protective layer, a construction pouring material layer, a construction grinding layer and a construction cover protective layer. The construction method can be used for integrally pouring on the wall surface of the on-site structure, has no splicing seam, no height limitation, no length limitation, high product strength and good integrity, can be used for construction on the surfaces of a concrete structure body, a steel structure body and a mixed masonry wall body by adopting the technology for pouring, has wide application range, can be randomly customized and prepared for the color and the size of the aggregate of the integral pouring technology for on-site construction, and can ensure the uniformity of the color and the texture; the requirement intention of architects and owners is fully realized, and the building effect has better originality and specificity.

Description

Wall terrazzo integrated pouring construction method
Technical Field
The invention relates to the technical field of wall surface construction, in particular to a wall surface terrazzo integral pouring construction method.
Background
The inorganic terrazzo material product is similar to a concrete material due to the material performance and the manufacturing process, and the traditional technology is mainly implemented by the way of on-site pouring and prefabricating when being constructed on the ground.
The wall position wants to do the terrazzo, can only adopt prefabricated mode at present, pour on the ground promptly, polish to the finished product, then cut into required specification and dimension, bond on the wall. Because the secondary bonding is performed by prefabricating and processing, the old defects of seam splicing, unsmooth operation, hollowing, falling and the like exist, and the whole decorative effect cannot reach high precision and high grade.
Disclosure of Invention
The invention aims to provide an integrated pouring construction method for a wall terrazzo, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a wall terrazzo integral pouring construction method comprises the following steps:
constructing a bottom sealing interface layer: coating a sealing interface material on the surface of the substrate wall;
constructing a template mold layer: arranging a template on the wall surface of the substrate;
constructing a keel supporting layer: supporting a template mould layer by adopting steel keel combined installation;
constructing an internal reinforcement layer: in the casting thickness space, an integral reinforcing steel bar built-in net made by welding reinforcing steel bars and net pieces is adopted,
constructing a water-retaining protective layer: a sealing layer which is closed, isolated and anti-seepage is arranged on the surface of the template mould layer by adopting a flexible isolation material;
constructing a pouring material layer: proportioning and stirring materials required by the grindstone, pouring the materials into a pouring thickness space, and vibrating the materials to be dense;
constructing a grinding layer: grinding the surface of the poured material until the required aggregate section is exposed;
constructing a top protection layer: and a protective agent layer is coated on the outer surface of the ground grindstone.
As a further technical scheme of the invention, when the bottom sealing interface layer is constructed, the closed section material is used for enabling the base layer to have the effects of mould prevention and alkali prevention, avoiding influencing the reverse osmosis effect of the surface layer material and having the firm bonding and adhesion effect with the surface of the wall body base layer.
As a further technical scheme of the invention, when the template mould layer is constructed, a customized template is processed according to the site conditions of the wall body of the construction part, and a wood template with the thickness of 15mm is adopted for a common vertical plane and a single-arc wall surface with small radian, and is processed and cut into battens with the width of 100 and 150 mm; for a particularly complex shape or a wall surface with a small radian, a customized metal template is adopted, and a finished product metal template with a required radian is customized; the template is used for pouring support, and needs to be dismantled after pouring is completed.
As a further technical scheme, when the keel supporting layer is constructed, a steel keel support is adopted, a template is supported and fixed to bear the side supporting force generated during pouring, the template is rooted from the wall surface during installation, the outer transverse and vertical keels are connected and fixed in a pulling mode through screw rods, the transverse and vertical keels are crossed to form the self-pulling stress principle of the # -shaped supporting frame, the outer side of the supporting system does not need to be additionally provided with a throwing support, and the construction space is saved.
As a further technical scheme of the invention, when an internal reinforcement layer is constructed, a metal expansion bolt is firstly installed and fixed on a base wall, and if the steel keel wall is a steel keel wall, the metal expansion bolt is welded on a main keel; the distribution spacing is 400 multiplied by 400mm, then reinforcing mesh sheets with the diameter of 3mm and the aperture spacing of 50 multiplied by 50mm are adopted to cover the whole working surface, and 6mm deformed steel bars are used as the pressing ribs for pressure welding and fixing to form the reinforcing mesh attached to the base layer wall.
As a further technical scheme of the invention, when the water-retaining protective layer is constructed, a sealing layer with sealing, isolating and anti-seepage functions is arranged between the pouring material layer and the template mould layer by adopting a flexible isolating material, so that the pouring material is still sealed at the position of the splicing seam of the template, the moisture of slurry cannot be lost and leaked from the splicing seam, the uniform saturation of the color of the pouring material ratio on the vertical surface is ensured, and the color is free of layering and chromatic aberration; the isolation film material is a transparent film with good toughness and moderate thickness.
As a further technical scheme, when the grinding layer is constructed, the formwork and the keel are dismantled after the wall surface is poured, the surface isolating film is removed after the formwork and the keel are dismantled for 5 days under the condition of normal temperature, the pouring surface is in contact with air, water retention maintenance is carried out in time, and grinding can be started when the strength reaches 75% of the design standard; the grinding operation is divided into four stages of primary grinding, slurry supplementing, fine grinding and polishing
As a further technical scheme of the invention, when the finish protection layer is constructed, after the polished surface of the grindstone is polished to check flatness, color and particles to meet the requirements, the surface is fully dried, and then the finish protection agent is sprayed on the surface to form a sealing film with the functions of protecting the grindstone layer from fouling, scrubbing and cleaning
Compared with the prior art, the invention has the beneficial effects that:
1. the wall surface of the on-site structure can be integrally poured, no splicing seam exists, no height limitation exists, no length limitation exists, the product strength is high, and the integrity is good;
2. the concrete can be constructed on the surfaces of concrete structures, steel structures and mixed masonry walls by adopting the pouring technology, and the application range is wide;
3. in the integral casting technology of on-site construction, the color and the size of the material can be randomly customized and prepared, and the color and the texture can be ensured to be uniform; the requirement intention of architects and owners is fully realized, and the building effect has better originality and specificity;
4. the required casting construction thickness is only about 20-30mm, the space is saved, the dead weight is light, and the building excess material can be recycled;
5. the technology is standardized, the implementation controllability is strong, the construction is convenient, and technicians of general decoration companies can master and apply the method skillfully.
Drawings
FIG. 1 is a schematic diagram of a wall terrazzo integral casting construction method.
In the figure: 1-a bottom sealing interface layer, 2-an internal reinforcing layer, 3-a pouring material layer, 4-a water-retaining protective layer, 5-a template mould layer, 6-a keel supporting layer, 7-a grinding layer and 8-a cover protective layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A wall terrazzo integral pouring construction method comprises the following steps: .
Constructing a bottom sealing interface layer 1: coating a sealing interface material on the substrate wall surface;
construction of the template mold layer 5: arranging a template on the wall surface of the substrate;
construction of a keel supporting layer 6: supporting a template mould layer by adopting steel keel combined installation;
constructing an internal reinforcement layer 2: in the casting thickness space, an integral reinforcing steel bar built-in net made by welding reinforcing steel bars and net pieces is adopted,
construction of a water-retaining protective layer 4: a sealing layer which is closed, isolated and anti-seepage is arranged on the surface of the template mould layer by adopting a flexible isolation material;
constructing a pouring material layer 3: mixing materials required by the grindstone, pouring the mixture into a pouring thickness space, and vibrating the mixture to be dense;
constructing a grinding layer 7: grinding the surface of the poured material until the required aggregate section is exposed;
constructing a cover surface protective layer 8: and a protective agent layer is coated on the outer surface of the ground grindstone.
Specifically, when the bottom sealing interface layer 1 is constructed, the bottom sealing interface layer is formed by coating a sealing interface material on a base wall surface, so that the base layer has the effects of mould prevention and alkali prevention, the reverse osmosis effect of the surface layer material is avoided being influenced, and the firm bonding and adhesion effect with the base layer surface of the wall body is realized; firstly, determining a part to be cast, wherein the substrate of the part is a firm and stable wall body, such as a reinforced concrete structure surface, a steel plate surface of a steel structure and a mortar plastering surface of mixed masonry, namely, the attachment of a casting layer and the wall body can be realized in a surface bonding and metal expansion bolt drilling fixing mode, so that the casting layer and the wall surface form a stable whole; then, checking that the flatness and the verticality of the substrate meet the acceptance requirements, and generally controlling the error of the base layer within 10 mm; if the flatness deviation is large, the pouring thickness is not uniform, the uniformity of a pouring surface layer is influenced, and the final display effect is influenced. And (3) adopting an interface agent material to integrally brush, penetrate and seal the bottom, and performing roll coating and napping on the base layer to form a closed rough napped bonding surface. The process belongs to wet operation, has requirements on environment and temperature conditions, and the temperature can not be lower than 5 ℃; before and after construction in hot and dry weather, the surface is sprayed with water for wet maintenance in time, so that dehydration and dry cracking are avoided.
When the template mold layer 5 is constructed, the template mold layer is obtained by using a mold and a template for supporting pouring materials; according to the field conditions of the wall body at the construction part, a customized template is processed, a general vertical plane and a single-arc wall surface with small radian are processed, a wood template with the thickness of 15mm is mainly adopted, and a batten with the width of 100 plus 150mm is processed and cut, if a particularly complex shape exists, or the radian is small, the wood template can not actually be finely curved, the shape of the wood template needs to be finely controlled, a customized metal template can be adopted, and a finished metal template with the required radian is customized; the template is only used during pouring support, and needs to be removed after pouring is completed, so that when the template is manufactured, plate materials and the processing quantity need to be comprehensively considered, a method for flow construction of a working face needs to be selected preferentially, the template is recycled along with the flow of the working face, and resource waste and excessive building waste are avoided.
When the keel supporting layer 6 is constructed, the keel supporting layer is assembled by adopting steel keels and is used for supporting a steel keel frame adopted by a template mould layer; supporting and fixing the template by using a steel keel for supporting and fixing the template so as to bear the side supporting force generated during pouring; the self-pulling stress principle that transverse and vertical keels are connected and fixed in a pulling mode by adopting a mode that roots are taken from the wall surface and screws are installed, the transverse and vertical keels on the outer side are crossed to form a # -shaped supporting frame is adopted, and the outer side of the supporting system does not need to be additionally provided with a throwing support, so that the construction space is saved; the steel frame keel support is also an auxiliary pouring process, and a flow operation construction method is preferably selected, so that resources are saved.
When the internal reinforcement layer 2 is constructed, the internal reinforcement layer is an integral reinforcement reinforcing net welded by steel bars and net sheets in a casting thickness space, so that the grindstone material can generate better strength and tensile property after casting is finished; firstly, a metal expansion bolt is installed and fixed on a base wall body, and if the metal expansion bolt is a steel keel wall body, the metal expansion bolt is welded on a main keel. The distribution spacing is 400 x 400mm, then reinforcing bar net piece with the diameter of 3mm and the aperture spacing of 50 x 50mm is adopted to cover the whole working surface, and 6mm screw-thread steel is used as a pressure bar to carry out pressure welding and fixing to form the reinforcing bar net attached to the base layer wall body, so that the tensile strength and the compressive strength of the pouring surface layer can be enhanced, and the reinforcing bar net and the structural body are firmly attached and fixed.
When the water-retaining protective layer 4 is constructed, the saturated color isolation layer has the functions of sealing, isolating and preventing leakage by adopting a flexible isolation material between the pouring material layer and the template mold layer, so that the pouring material can still keep sealing at the position of a seam of the template, and the moisture of slurry cannot be lost and leaked from the seam, thereby ensuring that the colors matched with the pouring material are uniformly saturated on the vertical surface, and realizing no layering and no color difference; when the isolating film material is selected, a transparent film with good toughness and moderate thickness is selected, the transparent film with good toughness can prevent the transparent film from being broken and broken during tensioning, and the transparent film with moderate thickness can ensure that the plastic film is soft and smooth without warping during operation; when the material is poured, the isolating membrane is stretched upwards and towards two sides in time to expand the membrane cloth, so that the isolating membrane is prevented from being folded.
When the pouring material layer 3 is constructed, the pouring material layer is obtained by mixing and stirring materials required by the grindstone in proportion, pouring the mixture into a pouring thickness space and vibrating and compacting the mixture, and the aggregate and color effects finally presented are determined; the pouring material is prepared and mixed with the cement according to the selected effect, the aggregates with different colors and different particle sizes, necessary anti-cracking additive components are added when the proportioning dosage is used, and the water cement ratio is controlled. The consistency and uniform color of the grindstone material during pouring are ensured, the pouring process is not interrupted midway, otherwise, obvious cold seams are formed at the interrupted part, color difference occurs, and the finishing effect and quality are influenced.
When the grinding layer 7 is constructed, the grinding layer is a thickness layer which is needed to be ground off until the required aggregate section effect is exposed on the surface of the finished pouring material from outside to inside; and (3) removing the template and the keel under the normal air temperature condition for 5 days after the wall surface is poured, removing the surface isolation film, enabling the poured surface to be in contact with air, and timely carrying out water retention maintenance. When the strength reaches 75% of the design standard, polishing can be started. The grinding operation is mainly divided into four stages of primary grinding, slurry supplementing, fine grinding and polishing: the primary grinding adopts a gold steel grinding head, the surface can be rapidly cut until the required cross section size of the aggregate is achieved, the flatness is checked by using a guiding rule in time during grinding, the grinding force is uniform, the grinding surface is smooth, more dust is generated during primary grinding, dust prevention and dust fall and personal labor protection work of staff are required to be done, and dust collection equipment is required to be used; the slurry is used for filling pits and air holes with different degrees on the surface, the surface is washed clean by a high-pressure water gun, dust slurry of the air holes and the air holes is removed, the holes are clean and the dust can be firmly adhered to the slurry, and the same gradation material as that in pouring is adopted during slurry filling, so that the texture and the color of the slurry filling are ensured to be consistent; the fine grinding is to further finely grind and treat the surface of the pulp after finishing the pulp supplementing, the fine grinding mainly adopts a resin grinding sheet, the rotating speed of a grinding machine is not too fast during the fine grinding, and the surface is prevented from being burnt at high speed and high temperature; polishing is the last operation in the grinding stage, and finally the surface effect is smooth, even and flat.
When the cover protective layer 8 is constructed, the cover protective layer is a protective agent layer which is coated on the outer surface of the ground grinding stone and has the functions of preventing dirt and protecting the grinding stone material with durability; the surface polishing inspection is all qualified, and after the flatness, the color and the particles meet the requirements, the spraying of the top protection layer can be started; the surface is fully dried before construction, and then a special cover surface protective agent for the abrasive material is sprayed to form a closed film on the surface, so that the abrasive layer is protected, and the protective film has the functions of preventing fouling, resisting scrubbing and being easy to clean.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The wall surface terrazzo integrated pouring construction method is characterized by comprising the following steps of:
constructing a bottom sealing interface layer: coating a sealing interface material on the substrate wall surface;
constructing a template mold layer: arranging a template on the wall surface of the substrate;
constructing a keel supporting layer: supporting a template mould layer by adopting steel keel combined installation;
constructing an internal reinforcement layer: in the casting thickness space, an integral reinforcing steel bar built-in net made by welding reinforcing steel bars and net pieces is adopted,
constructing a water-retaining protective layer: a sealing layer which is closed, isolated and anti-seepage is arranged on the surface of the template mould layer by adopting a flexible isolation material;
constructing a pouring material layer: mixing materials required by the grindstone, pouring the mixture into a pouring thickness space, and vibrating the mixture to be dense;
constructing a grinding layer: grinding the surface of the poured material until the required aggregate section is exposed;
constructing a cover surface protective layer: and a protective agent layer is coated on the outer surface of the ground grindstone.
2. The wall terrazzo integral casting construction method according to claim 1, characterized in that the closed section material is used for making the base layer have the functions of mould and alkali resistance, avoiding affecting the reverse osmosis of the surface layer material, and having a firm adhesion function with the wall base layer surface when constructing the bottom-sealed interface layer.
3. The wall terrazzo integral casting construction method according to claim 1, characterized in that when the formwork mold layer is constructed, customized formworks are processed according to the site conditions of the wall body at the construction part, and for a common vertical plane and a single-arc wall surface with small radian, wood formworks with the thickness of 15mm are processed and cut into laths with the width of 100-150 mm; for a particularly complex shape or a wall surface with a small radian, a customized metal template is adopted, and a finished product metal template with a required radian is customized; the template is used for pouring support, and needs to be dismantled after pouring is completed.
4. The wall terrazzo integral pouring construction method according to claim 1, characterized in that during the construction of the keel supporting layer, a steel keel is adopted for supporting and fixing the template for bearing the side supporting force generated during pouring, during the installation, the template is rooted from the wall surface, the outer horizontal and vertical keels are fixed in a pulling way by adopting a screw rod, the horizontal and vertical keels are crossed to form the self-pulling force principle of a # -shaped supporting frame, the outer side of the supporting system does not need to be additionally provided with a throwing support, and the construction space is saved.
5. The wall terrazzo integral casting construction method according to claim 1, characterized in that when the internal reinforcement layer is constructed, a metal expansion bolt is installed and fixed on the base wall, and if the steel keel wall is welded on the main keel; the distribution spacing is 400 x 400mm, then the whole working surface is covered by a reinforcing mesh sheet with the diameter of 3mm and the aperture spacing of 50 x 50mm, and the reinforcing mesh sheet is fixed by pressure welding by taking 6mm deformed steel as a pressure bar to form the reinforcing mesh attached to the base layer wall.
6. The wall terrazzo integral pouring construction method according to claim 1, characterized in that when the water-retaining protective layer is constructed, a sealing layer with sealing, isolating and anti-seepage functions is arranged between the pouring material layer and the template mold layer by adopting a flexible isolating material, so that the pouring material is kept sealed at the position of the template joint, and the slurry water cannot run off and leak from the joint, thereby ensuring that the color of the pouring material is uniformly saturated on the vertical surface, and realizing no layering and no color difference; the isolation film material is a transparent film with good toughness and moderate thickness.
7. The wall surface terrazzo integral pouring construction method according to claim 1, characterized in that when the grinding layer is constructed, the wall surface is poured, the template and the keel are removed under the normal temperature condition for 5 days, the surface isolation film is removed, the pouring surface is contacted with the air, the water retention maintenance is carried out in time, and when the strength reaches 75% of the design standard, the wall surface can be polished; the grinding operation is divided into four stages of primary grinding, slurry supplementing, fine grinding and polishing.
8. The wall surface terrazzo integral pouring construction method according to claim 1, characterized in that when the finish protection layer is constructed, after the ground terrazzo surface is polished to check flatness, color and particles to meet requirements, the surface is fully dried, and then the finish protection agent is sprayed on the surface to form a closed film with the functions of protecting the terrazzo layer from fouling, scrubbing and cleaning.
CN202210866082.2A 2022-07-22 2022-07-22 Wall terrazzo integrated pouring construction method Pending CN115075494A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185192A (en) * 1989-05-01 1993-02-09 The Granitech Corporation Ornamental pre-cast terrazzo panels with integral inlay design
US20160083954A1 (en) * 2014-09-18 2016-03-24 Dongguan Vanke Building Technique Research Co., Ltd Composite cast-in-situ outer wall and construction method thereof
CN110230242A (en) * 2019-03-12 2019-09-13 中交一公局桥隧工程有限公司 A kind of road surface base layer construction method thereof
CN110725532A (en) * 2019-10-29 2020-01-24 江卫强 Supporting system for small formwork of bare concrete decorative wall and construction process
CN113062557A (en) * 2021-03-26 2021-07-02 贵州建工安顺建筑工程有限公司 Mirror terrazzo construction process with metallic luster and color
CN113738081A (en) * 2021-09-28 2021-12-03 安徽典月新型建筑材料有限公司 Epoxy terrazzo dry-paving process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185192A (en) * 1989-05-01 1993-02-09 The Granitech Corporation Ornamental pre-cast terrazzo panels with integral inlay design
US20160083954A1 (en) * 2014-09-18 2016-03-24 Dongguan Vanke Building Technique Research Co., Ltd Composite cast-in-situ outer wall and construction method thereof
CN110230242A (en) * 2019-03-12 2019-09-13 中交一公局桥隧工程有限公司 A kind of road surface base layer construction method thereof
CN110725532A (en) * 2019-10-29 2020-01-24 江卫强 Supporting system for small formwork of bare concrete decorative wall and construction process
CN113062557A (en) * 2021-03-26 2021-07-02 贵州建工安顺建筑工程有限公司 Mirror terrazzo construction process with metallic luster and color
CN113738081A (en) * 2021-09-28 2021-12-03 安徽典月新型建筑材料有限公司 Epoxy terrazzo dry-paving process

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