CN111997303B - Cast-in-place inorganic artificial terrazzo terrace and construction method thereof - Google Patents
Cast-in-place inorganic artificial terrazzo terrace and construction method thereof Download PDFInfo
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- CN111997303B CN111997303B CN202010710587.0A CN202010710587A CN111997303B CN 111997303 B CN111997303 B CN 111997303B CN 202010710587 A CN202010710587 A CN 202010710587A CN 111997303 B CN111997303 B CN 111997303B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/126—Terrazzo floors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/14—Construction of joints, e.g. dividing strips
- E04F15/142—Dividing strips or boundary strips
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Abstract
The invention relates to a cast-in-place inorganic artificial terrazzo terrace and a construction method thereof, comprising a plurality of concrete base layers assembled on the ground of a building; the building ground is also provided with a cutting mechanism for cutting a plurality of layers of concrete base layers; mesh-shaped reinforcing mesh sheets are laid in the plurality of concrete base layers; the cutting mechanism comprises a plurality of wooden wedges, positioning clamping strips are assembled on the wooden wedges, and copper strips are distributed on the positioning clamping strips; the terrazzo terrace has a simple structure and is convenient to use, and after the concrete base layer is cast on site, the terrazzo terrace is ground by a special machine, so that a terrace surface layer with uniform texture, brightness, freshness and durability can be obtained. The inorganic artificial terrazzo floor can meet the requirements of different use units on different functions and purposes for the functionality, the attractiveness and the environmental protection of the inorganic artificial terrazzo floor.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a cast-in-place inorganic artificial terrazzo terrace and a construction method thereof.
Background
With the continuous development of modern construction technology, the requirements of building energy conservation and environmental protection are improved, and higher requirements are provided for dust, noise and sewage discharge in building construction. Along with the development of building materials and construction, the terrace is concerned by construction and users, and particularly, the durability and the environmental protection performance of the terrace are concerned widely. Traditional terrazzo terrace is abandoned by the job site gradually because receiving the restriction of sewage discharge, noise, nevertheless along with novel inorganic artificial terrazzo and construction process's change, and cast-in-place inorganic artificial terrazzo terrace becomes a novel terrace, has satisfied the basic requirement of building product development, high durability, energy-concerving and environment-protective, easily construction, color and variety are abundant.
The following shortcoming exists in current cast-in-place terrazzo terrace: firstly, the method comprises the following steps: the traditional cast-in-place terrazzo terrace adopts wet operation, and generates more wastewater discharge; secondly, the method comprises the following steps: the traditional cast-in-situ terrazzo terrace has low strength and poor wear resistance, and the ground is easy to get grey; thirdly, the method comprises the following steps: the terrace color of the traditional cast-in-situ terrazzo is single, and the requirements of various colors and textures can not be met.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a cast-in-place inorganic artificial terrazzo terrace which is ingenious in design, simple in structure, non-toxic, environment-friendly, durable, seamless in whole, easy to clean and durable and a construction method thereof.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a cast-in-situ inorganic artificial terrazzo terrace comprises a plurality of concrete base layers assembled on the ground of a building; the building ground is also provided with a cutting mechanism for cutting a plurality of layers of concrete base layers; mesh-shaped reinforcing mesh sheets are laid in the plurality of concrete base layers; the cutting mechanism comprises a plurality of wooden wedges, positioning clamping strips are assembled on the wooden wedges, and copper strips are arranged on the positioning clamping strips.
As a preferred mode of the invention, a plurality of wooden wedges are equidistantly distributed on the ground of a building, and the wooden wedges are fastened with the ground of the building through screws.
As a preferred mode of the invention, the reinforcing mesh comprises a plurality of first supporting ribs and second supporting ribs which are arranged at equal intervals, and the second supporting ribs are perpendicular to the first supporting ribs; the first supporting rib and the second supporting rib are both screw-thread steel, and the second supporting rib is welded on the first supporting rib.
As a preferable mode of the present invention, the positioning clip strip is an "L" shaped body, and includes a connecting portion and a supporting portion; the connecting part is fixedly connected with the supporting part and is integrally formed.
In a preferred embodiment of the present invention, the supporting portion is formed with a guide groove, and correspondingly, a guide block adapted to the guide groove is fixedly disposed at the bottom of the copper bar, and the guide block is engaged in the guide groove and fastened by a screw.
A construction method of a cast-in-situ inorganic artificial terrazzo terrace comprises the following steps:
step one, construction preparation; cleaning and drying the building ground; a three-phase five-wire system is adopted to erect a construction electric line, and a night construction lighting lamp is arranged. Connecting a water pipe according to the demand of the water consumption on site, ensuring that the concrete is stirred, poured and maintained, and wetting water is used after impurities on a ground base layer are cleaned;
step two, cleaning a base layer; cleaning dust on the ground of an original building, then roughening and leveling a base layer by using a milling machine, wherein the base layer is cleaned by using a BMP-265E milling machine, the cast-in-place concrete of an inorganic artificial terrazzo floor is stirred and stirred by 350, and the floor is ground and polished by using PG820 and a matched dust collector DC-5500;
step three, measuring the terrace; elevation control, the maximum size of a single plate of the electrodeless artificial terrazzo terrace is within 6m multiplied by 6m, the specific division size is reasonably arranged and distributed according to the building structure, and appropriate material separation strips are arranged at the joints of the connection parts of the single plate and other materials; according to the design and the whole scheme of the cast-in-place inorganic artificial terrazzo terrace, the terrace is divided into blocks, and the elastic lines are measured on site. Then selecting mortar in the same proportion as the base concrete as ash cakes, controlling the thickness and the elevation of the terrace, and retesting the control points of the whole area by using a level gauge according to the elevation control points of the terrace;
step four, placing the separating strips; according to the ground spring line position of the terrace separation distance, holes are drilled on the ground at the interval of 1m and the depth of the holes is 2-3 cm through concrete electric drilling, then wood wedges subjected to anti-corrosion treatment are nailed, the elevation of the top surfaces of the wood wedges is well controlled, and the accurate elevation position of the separation strips is guaranteed. After the wood wedge is installed, placing the aluminum alloy clamping groove on the wood wedge, fixing the wood wedge by using a screw, rechecking the position elevation of the aluminum alloy clamping groove, and finally fixing a 5mm copper bar on the aluminum alloy clamping groove, wherein the position of the copper bar is 2mm higher than the elevation of the terrace;
step five, coating the terrace interface agent; on the basis of the step (four), after a building ground base layer is cleaned up, wetting the base layer, brushing by adopting an SJ-601 cement modifier, and adding an interfacial agent: 1, cement: 1-1.5 proportion of mixing interface agent; firstly, mixing the interface agent into thick slurry, diluting, uniformly stirring the interface agent, and uniformly coating the interface agent on a wet base layer;
step six, concrete pouring of the floor base layer; the base layer concrete is paved in two layers, the concrete on the lower layer is paved by about 2cm, the paving thickness of the concrete is controlled through ash cakes, then anti-crack reinforcing steel bar meshes are paved, the diameter of each reinforcing steel bar mesh is equal to 6 mm, the distance between the reinforcing steel bar meshes is 150mm, and finally the concrete on the upper layer is paved by 3 cm. After the base layer concrete is paved, slowly putting in and taking out the base layer concrete by using a vibrator, and vibrating the base layer concrete tightly until the slurry gradually floats out of the surface layer; the concrete of the floor base layer is poured to the designed elevation at one time according to the bin division and the sequence, and is leveled by a flat leveling machine and an artificial aluminum alloy scraper;
step seven, the surface layer receives light; mastering the initial setting time of the base layer concrete, scattering 2-3 cm granite stones with the design and color of the surface layer when the base layer concrete is in initial setting, carrying out slurry lifting by using a polishing machine with a disc, leveling by using an aluminum alloy scraper, scraping off the high parts, and filling the low parts with a mixture; adopting primary pulp to perform light collection, polishing for several times, then removing the disc, rechecking the flatness by using a scraping ruler, continuing to perform leveling, and then performing light collection by using a light collector;
step (eight), maintaining; the concrete surface layer of the base layer is generally glazed for 6 hours at normal temperature, then concrete curing is carried out, water is generally sprayed or curing liquid is generally coated during curing, curing time is delayed when the temperature is low in winter, and film covering curing is adopted;
step (nine), coarse grinding of the surface layer; the polishing of the terrace is carried out by adopting PG820 and a matched dust collector DC-5500 for 3-5 times of coarse grinding, and surface layer mortar on the ground is removed to expose harder concrete body;
step (ten), finely grinding the surface layer; after coarse grinding is finished, coating a repairing agent, immersing the repairing agent into concrete pores for drying, and then, carrying out fine grinding, wherein a diamond magic head of 100 meshes is used for fine grinding for 2-3 times;
step eleven, fine grinding of the surface layer; after fine grinding is finished, coating a curing agent on the surface, filling pores, enhancing the hardness, drying the curing agent for 6-12 hours at normal temperature, and then finely grinding for 1-2 times by using a 800-mesh diamond magic head to achieve the required smoothness and attractive effect of the inorganic artificial terrazzo floor;
step twelve, coating the floor protective agent; after the inorganic artificial terrazzo terrace is formed, the surface of the terrace is coated with the protective agent, so that the ground can achieve the effects of water resistance, oil resistance and pollution prevention.
As a preferred mode of the invention, the concrete base layer (4) comprises cement, water, sand and stones; wherein, the weight ratio of cement, water, sand and stones is 1: 0.37: 1.3: 3.4, pressing in stones at the initial setting according to the ratio of 5kg/m2。
As a preferable mode of the invention, the cement is ordinary silicate 42.5 white cement, the sand is medium sand of natural river sand, the mud content is not more than 3%, and the stones are granite with 1.5-3 cm grade.
In a preferred embodiment of the present invention, the gravel pressed into the concrete base layer during initial setting is granite having a depth of 2 to 3 cm.
In a preferred embodiment of the present invention, the floor repair agent is GM3000TM(ii) a The terrace curing agent is HiperhardTM(ii) a The floor protective agent is HiperguardTM(ii) a Wherein the terrace healant is 0.2L/m2Curing agent at 4L/m2The protective agent is 0.05L/m2The amount of (c) is configured.
In a preferred embodiment of the present invention, the floor repairing agent GM3000 is a compound represented by formula iTMThe repairing agent is a concrete repairing agent, and is deeply arranged in cracks and pores of a concrete base layer to fill the cracks and pores in the concrete and on the surface of the concrete.
In a preferred embodiment of the present invention, the curing agent HiperhardTMThe concrete floor is a strength enhancer for a concrete surface layer, and after the surface of a concrete base layer is coated, the concrete permeates into the floor by 1-3 mm.
As a preferred mode of the invention, the floor protective agent HiperguardTMIs a kind of groundAnd the surface interface sealing treatment agent of the plateau surface extends into the base layer by 2-3 mm.
The invention has the beneficial effects that:
the terrazzo terrace has a simple structure and is convenient to use, and after the concrete base layer is cast on site, the terrazzo terrace is ground by a special machine, so that a terrace surface layer with uniform texture, brightness, freshness and durability can be obtained. The requirements of different functions and purposes of different use units can be met for the functionality, the aesthetic property and the environmental protection of the inorganic artificial terrazzo terrace;
drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial enlarged view of embodiment A of the present invention;
FIG. 3 is a partial enlarged view of embodiment B of the present invention;
reference numbers in the figures: copper bar 1, locator card strip 2, wooden wedge 3, concrete basic unit 4, reinforcing bar net piece 5, interface agent 6, building ground 7, guide block 11, connecting portion 20, supporting part 21, guide way 23, granite stone 40, first brace 51, second brace 52.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-3; the embodiment provides a cast-in-place inorganic artificial terrazzo terrace, which comprises a plurality of layers of concrete base layers 4 assembled on the ground 7 of a building; a partition mechanism for partitioning a plurality of concrete base layers 4 is also arranged on the building ground 7; a latticed reinforcing mesh 5 is laid in the plurality of concrete base layers 4; the cutting mechanism comprises a plurality of wooden wedges 3, positioning clamp strips 2 are assembled on the wooden wedges 3, and copper strips 1 are distributed on the positioning clamp strips 2; the wood wedges 3 are equidistantly distributed on the building ground 7, and the wood wedges 3 are fastened with the building ground 7 through screws; the terrazzo terrace has a simple structure and is convenient to use, a concrete base layer is cast on the terrazzo terrace in situ and then ground by a special machine, a terrace surface layer with uniform texture, brightness, freshness and durability can be obtained, and the requirements of different functions and purposes of different use units can be met for the functionality, the attractiveness and the environmental protection of the inorganic artificial terrazzo terrace.
The reinforcing mesh 5 comprises a plurality of first supporting ribs 51 and second supporting ribs 52 which are arranged at equal intervals, and the second supporting ribs 52 are perpendicular to the first supporting ribs 51; the first support rib 51 and the second support rib 52 are both deformed steel bars; by adopting the technical scheme, the construction process is more accurate, and the construction efficiency is improved; the second support rib 52 is welded to the first support rib 51; the reinforcing mesh 5 can not move due to factors such as vibration or treading in the pouring process, and the construction precision is not influenced. In addition, the reinforcing mesh 5 is simple in structure and convenient to manufacture, excess materials, waste materials, leftovers and the like in a construction site can be used for manufacturing, and construction cost is reduced.
The positioning clamping strip 2 is in an L shape and comprises a connecting part 20 and a supporting part 21; the connecting part 20 and the supporting part 21 are fixedly connected and integrally formed; the structural strength and the integral firmness of the positioning clamp strip 2 are improved, the use safety is further guaranteed, and particularly, the positioning clamp strip 2 is made of an aluminum alloy material.
1/2, the length of the connecting part 20 is equal to that of the supporting part 21; the contact area between the connecting part 20 and the wooden wedge 3 is increased, and the stability of the connection and the placement of the positioning clamp strip 2 is ensured.
A guide groove 23 is formed on the supporting part 21, correspondingly, a guide block 11 matched with the guide groove 23 is fixedly arranged at the bottom of the copper bar 1, and the guide block 11 is clamped in the guide groove 23 and is fastened through a screw; by adopting the technical scheme, the artistic ornamental performance and the practicability of the terrazzo terrace are perfectly combined.
The method comprises the following specific construction steps:
cleaning and chiseling a building floor base layer → arranging a separation strip, arranging a prefabricated model → painting an interface agent → pouring a 50 mm-thick inorganic artificial stone floor concrete base layer → maintaining → coarse grinding → fine grinding → painting a floor protective agent.
A construction method of a cast-in-situ inorganic artificial terrazzo terrace comprises the following steps:
step one, construction preparation; cleaning and drying the building ground; a three-phase five-wire system is adopted to erect a construction electric line, and a night construction lighting lamp is arranged. Connecting a water pipe according to the demand of the water consumption on site, ensuring that the concrete is stirred, poured and maintained, and wetting water is used after impurities on a ground base layer are cleaned;
step two, cleaning a base layer; cleaning dust on the ground of an original building, then roughening and leveling a base layer by using a milling machine, wherein the base layer is cleaned by using a BMP-265E milling machine, the cast-in-place concrete of an inorganic artificial terrazzo floor is stirred and stirred by 350, and the floor is ground and polished by using PG820 and a matched dust collector DC-5500;
step three, measuring the terrace; elevation control, the maximum size of a single plate of the electrodeless artificial terrazzo terrace is within 6m multiplied by 6m, the specific division size is reasonably arranged and distributed according to the building structure, and appropriate material separation strips are arranged at the joints of the connection parts of the single plate and other materials; according to the design and the whole scheme of the cast-in-place inorganic artificial terrazzo terrace, the terrace is divided into blocks, and the elastic lines are measured on site. Then selecting mortar in the same proportion as the base concrete as ash cakes, controlling the thickness and the elevation of the terrace, and retesting the control points of the whole area by using a level gauge according to the elevation control points of the terrace;
step four, placing the separating strips; according to the ground spring line position of the terrace separation distance, holes are drilled on the ground at the interval of 1m and the depth of the holes is 2-3 cm through concrete electric drilling, then wood wedges subjected to anti-corrosion treatment are nailed, the elevation of the top surfaces of the wood wedges is well controlled, and the accurate elevation position of the separation strips is guaranteed. After the wood wedge is installed, placing the aluminum alloy clamping groove on the wood wedge, fixing the wood wedge by using a screw, rechecking the position elevation of the aluminum alloy clamping groove, and finally fixing a 5mm copper bar on the aluminum alloy clamping groove, wherein the position of the copper bar is 2mm higher than the elevation of the terrace;
step five, coating the terrace interface agent; on the basis of the step (four), after a building ground base layer is cleaned up, wetting the base layer, brushing by adopting an SJ-601 cement modifier, and adding an interfacial agent: 1, cement: 1-1.5 proportion of mixing interface agent; firstly, mixing the interface agent into thick slurry, diluting, uniformly stirring the interface agent, and uniformly coating the interface agent on a wet base layer;
step six, concrete pouring of the floor base layer; the base layer concrete is paved in two layers, the concrete on the lower layer is paved by about 2cm, the paving thickness of the concrete is controlled through ash cakes, then anti-crack reinforcing steel bar meshes are paved, the diameter of each reinforcing steel bar mesh is equal to 6 mm, the distance between the reinforcing steel bar meshes is 150mm, and finally the concrete on the upper layer is paved by 3 cm. After the base layer concrete is paved, slowly putting in and taking out the base layer concrete by using a vibrator, and vibrating the base layer concrete tightly until the slurry gradually floats out of the surface layer; the concrete of the floor base layer is poured to the designed elevation at one time according to the bin division and the sequence, and is leveled by a flat leveling machine and an artificial aluminum alloy scraper;
step seven, the surface layer receives light; mastering the initial setting time of the base layer concrete, scattering 2-3 cm granite stones with the design and color of the surface layer when the base layer concrete is in initial setting, carrying out slurry lifting by using a polishing machine with a disc, leveling by using an aluminum alloy scraper, scraping off the high parts, and filling the low parts with a mixture; adopting primary pulp to perform light collection, polishing for several times, then removing the disc, rechecking the flatness by using a scraping ruler, continuing to perform leveling, and then performing light collection by using a light collector;
step (eight), maintaining; the concrete surface layer of the base layer is generally glazed for 6 hours at normal temperature, then concrete curing is carried out, water is generally sprayed or curing liquid is generally coated during curing, curing time is delayed when the temperature is low in winter, and film covering curing is adopted;
step (nine), coarse grinding of the surface layer; the polishing of the terrace is carried out by adopting PG820 and a matched dust collector DC-5500 for 3-5 times of coarse grinding, and surface layer mortar on the ground is removed to expose harder concrete body;
step (ten), finely grinding the surface layer; after coarse grinding is finished, coating a repairing agent, immersing the repairing agent into concrete pores for drying, and then, carrying out fine grinding, wherein a diamond magic head of 100 meshes is used for fine grinding for 2-3 times;
step eleven, fine grinding of the surface layer; after fine grinding is finished, coating a curing agent on the surface, filling pores, enhancing the hardness, drying the curing agent for 6-12 hours at normal temperature, and then finely grinding for 1-2 times by using a 800-mesh diamond magic head to achieve the required smoothness and attractive effect of the inorganic artificial terrazzo floor;
step twelve, coating the floor protective agent; after the inorganic artificial terrazzo terrace is formed, the surface of the terrace is coated with the protective agent, so that the ground can achieve the effects of water resistance, oil resistance and pollution prevention.
Wherein the concrete base layer 4 comprises cement, water, sand and stones; wherein, the weight ratio of cement, water, sand and stones is 1: 0.37: 1.3: 3.4, pressing in stones at the initial setting according to the ratio of 5kg/m2。
The cement is ordinary silicate 42.5 white cement, the sand is medium sand of natural river sand, the mud content is not more than 3%, and the pebbles are granite with 1.5-3 cm grade; and the stones pressed into the concrete base layer during initial setting are granite with the length of 2-3 cm.
The cast-in-place inorganic artificial terrazzo terrace is formed by processing and mixing a cast-in-place concrete base layer, additional stones, an auxiliary repairing agent, a curing agent and a protective agent in a certain proportion on a construction site, and grinding and molding the base layer concrete on the site by using a special machine after the base layer concrete is cured to reach strength.
The cast-in-situ inorganic artificial terrazzo has no VOC in the production and use processes, and is a low-carbon, environment-friendly and energy-saving material. According to the invention, the mix proportion of the terrazzo concrete base layer is optimized and improved, the terrace base layer with stable quality is provided, granite stones are pressed in during initial setting, the reinforcing steel bar mesh sheets are added for reinforcement, the surface layers with different colors can be prepared by controlling the pressed-in amount of the stones, the colors and designs can be freely spliced and prepared, and different impression visual effects of people are met. The repairing agent, the curing agent and the protective agent added in the construction process are bonded with dust generated in the grinding process of the cast-in-situ inorganic artificial terrazzo terrace, and the dust permeates and cures cracks and gaps in the concrete base layer, so that the strength and the smoothness of the inorganic artificial terrazzo terrace are enhanced. The inorganic artificial terrazzo floor has the advantages that the high brightness reaches more than 70-90 degrees, the artificial terrazzo floor is dustproof and antiskid, the marble quality is achieved, the surface hardness can reach 6-8 levels, the formed floor is not cracked, is not afraid of heavy vehicle rolling, heavy object dragging and shrinkage deformation, is not dusty, has high cleanliness, can meet the requirements of high-cleanness environments such as medicines and precision instruments, has the characteristics of being noncombustible, nonflammable, ageing-resistant, stain-resistant and corrosion-resistant, and is bright and clean in surface color.
Floor repairing agent GM3000TMIs a special concrete repairing agent, can penetrate into cracks and pores of a concrete base layer, and fills the cracks and pores in the concrete and on the surface of the concrete to reduceThe moisture and the gas at the bottom of the base layer of the little terrace rise to the ground through the gaps. Curing agent HiperhardTMThe concrete is a strength enhancer for a concrete surface layer, after the surface of a concrete base layer is coated, the concrete permeates into the terrace concrete by 1-3 mm, and the concrete is solidified to form a harder compact body, so that the wear resistance, durability and impermeability of the terrace surface layer are improved. Terrace protectant HiperguardTMThe sealing treatment agent for the surface interface of the terrace surface extends into a base layer by 2-3 mm to form a tough high-light-intensity film, so that the surface strength is enhanced, the dust and the sand are prevented, and the water and oil proofing effect of the terrace surface can be achieved.
The formula of the invention has scientific and reasonable component proportion, can meet the construction requirement of the cast-in-place inorganic artificial terrazzo terrace, and ensures the construction engineering quality. After the concrete base layer is cast on the terrazzo terrace in situ, the terrazzo terrace is ground by a special machine, and a terrace surface layer with uniform texture, brightness, delicious taste and durability can be obtained. The inorganic artificial terrazzo floor can meet the requirements of different use units on different functions and purposes for the functionality, the attractiveness and the environmental protection of the inorganic artificial terrazzo floor.
7 clean up in former building ground clearance, then carry out the partition of cast-in-place inorganic artificial terrazzo terrace, separate with 5mm copper bar 1, 5mm copper bar 1 supports on aluminum alloy card strip 2, 5mm copper bar 1 chucking is fixed with the draw-in groove for aluminum alloy card strip 2, aluminum alloy card strip 2 passes through the screw connection, it is fixed to shelve on wood wedge 3, wood wedge 3 is nailed in after punching on former building ground 7 through the electric drill, fixed connection aluminum alloy draw-in groove 2 and 5mm copper bar 1.
After the completion of the fixation of the 5mm copper bar 1 for separating the cast-in-place inorganic artificial terrazzo terrace, the base layer cleaned by the ground 7 of the original building is watered and moistened, then the interfacial agent 6 is coated with a brush, the anti-cracking reinforcing steel mesh 5 is laid, the inorganic artificial terrazzo terrace concrete base layer 4 is poured in a layering and partitioning mode, the anti-cracking reinforcing steel mesh 5 is placed after the concrete of the base layer is laid, the upper concrete is laid and the concrete base layer 4 is vibrated compactly, granite stones of 2-3 cm are scattered on the surface layer when the concrete base layer is initially set, the concrete surface layer which is initially set is pressed into the stone by using a disc grinder, and the leveling and light-collecting surface layer is arranged. The cast-in-place concrete for maintaining the artificial terrazzo terrace is ready to reachAfter the strength, the surface layer is roughly ground, and then the repairing agent GM3000 is brushed on the roughly ground surface layerTMAfter the agent to be repaired is soaked in concrete crack and dried, fine grinding is carried out, and terrace curing agent Hiperhard is sprayedTMAnd finely grinding the dried curing agent for 6-12 h, and coating the terrace protective agent Hiperguard after finishing finely grindingTMAnd finishing the inorganic artificial terrazzo terrace after the protective agent is dried.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the concrete foundation layer is formed by using terms such as copper bars 1, positioning clamping bars 2, wood wedges 3, a concrete foundation layer 4, a reinforcing mesh 5, an interface agent 6, a building ground 7, a guide block 11, a connecting part 20, a supporting part 21, a guide groove 23, granite stones 40, first supporting ribs 51, second supporting ribs 52 and the like, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (4)
1. A cast-in-situ inorganic artificial terrazzo terrace is characterized in that; comprises a plurality of layers of concrete base layers (4) assembled on the ground (7) of a building; a partition mechanism for partitioning a plurality of concrete base layers (4) is also arranged on the building ground (7); a latticed reinforcing mesh (5) is laid in the plurality of concrete base layers (4); the cutting mechanism comprises a plurality of wooden wedges (3), positioning clamp strips (2) are assembled on the wooden wedges (3), and copper strips (1) are distributed on the positioning clamp strips (2); the wooden wedges (3) are equidistantly arranged on the building ground (7), and the wooden wedges (3) are fastened with the building ground (7) through screws; the positioning clamping strip (2) is in an L-shaped body and comprises a connecting part (20) and a supporting part (21); a guide groove (23) is formed in the supporting part (21), correspondingly, a guide block (11) matched with the guide groove (23) is fixedly arranged at the bottom of the copper bar (1), and the guide block (11) is clamped in the guide groove (23) and fastened through a screw; a construction method of a cast-in-situ inorganic artificial terrazzo terrace comprises the following steps:
step one, construction preparation; cleaning and drying the building ground; erecting a construction electric line by adopting a three-phase five-wire system, and arranging a night construction lighting lamp; connecting a water pipe according to the demand of the water consumption on site, ensuring that the concrete is stirred, poured and maintained, and wetting water is used after impurities on a ground base layer are cleaned;
step two, cleaning a base layer; cleaning dust on the ground of an original building, then roughening and leveling a base layer by using a milling machine, wherein the base layer is cleaned by using a BMP-265E milling machine, the cast-in-place concrete of an inorganic artificial terrazzo floor is stirred and stirred by 350, and the floor is ground and polished by using PG820 and a matched dust collector DC-5500;
step three, measuring the terrace; elevation control, the maximum size of a single plate of the electrodeless artificial terrazzo terrace is within 6m multiplied by 6m, the specific division size is reasonably arranged and distributed according to the building structure, and appropriate material separation strips are arranged at the joints of the connection parts of the single plate and other materials; according to the design and the whole scheme of the cast-in-place inorganic artificial terrazzo terrace, the terrace is divided into blocks, and elastic lines are measured on site; then selecting mortar in the same proportion as the base concrete as ash cakes, controlling the thickness and the elevation of the terrace, and retesting the control points of the whole area by using a level gauge according to the elevation control points of the terrace;
step four, placing the separating strips; according to the ground spring line position of the terrace separation distance, holes are drilled on the ground at intervals of 1m and the depth of the holes is 2-3 cm through concrete electric drilling, then wood wedges subjected to anti-corrosion treatment are nailed, the elevation of the top surfaces of the wood wedges is controlled, and the accurate elevation position of the separation strips is ensured; after the wood wedge is installed, placing the aluminum alloy clamping groove on the wood wedge, fixing the wood wedge by using a screw, rechecking the position elevation of the aluminum alloy clamping groove, and finally fixing a 5mm copper bar on the aluminum alloy clamping groove, wherein the position of the copper bar is 2mm higher than the elevation of the terrace;
step five, coating the terrace interface agent; on the basis of the step (four), after a building ground base layer is cleaned up, wetting the base layer, brushing by adopting an SJ-601 cement modifier, and adding an interfacial agent: cement = 1: 1-1.5 proportion of mixing interface agent; firstly, mixing the interface agent into thick slurry, diluting, uniformly stirring the interface agent, and uniformly coating the interface agent on a wet base layer;
step six, concrete pouring of the floor base layer; paving base layer concrete in two layers, paving the lower layer concrete for 2cm, controlling the paving thickness of the concrete through ash cakes, paving anti-crack reinforcing steel bar meshes with the diameter of 6 mm and the distance of 150mm, and paving the upper layer concrete for 3 cm; after the base layer concrete is paved, slowly putting in and taking out the base layer concrete by using a vibrator, and vibrating the base layer concrete tightly until the slurry gradually floats out of the surface layer; the concrete of the floor base layer is poured to the designed elevation at one time according to the bin division and the sequence, and is leveled by a flat leveling machine and an artificial aluminum alloy scraper;
step seven, the surface layer receives light; mastering the initial setting time of the base layer concrete, scattering 2-3 cm granite stones with the design and color of the surface layer when the base layer concrete is in initial setting, carrying out slurry lifting by using a polishing machine with a disc, leveling by using an aluminum alloy scraper, scraping off the high parts, and filling the low parts with a mixture; adopting primary pulp to perform light collection, polishing for several times, then removing the disc, rechecking the flatness by using a scraping ruler, continuing to perform leveling, and then performing light collection by using a light collector;
step (eight), maintaining; after the base concrete surface layer is subjected to light receiving for 6 hours at normal temperature, concrete curing is carried out, water is sprayed or curing liquid is coated for curing, curing time is delayed when the temperature is low in winter, and film covering curing is adopted;
step (nine), coarse grinding of the surface layer; the polishing of the terrace is carried out by adopting PG820 and a matched dust collector DC-5500 for 3-5 times of coarse grinding, and surface layer mortar on the ground is removed to expose harder concrete body;
step (ten), finely grinding the surface layer; after coarse grinding is finished, coating a repairing agent, immersing the repairing agent into concrete pores for drying, and then, carrying out fine grinding, wherein a diamond magic head of 100 meshes is used for fine grinding for 2-3 times;
step eleven, fine grinding of the surface layer; coating a curing agent on the surface after fine grinding is finished, filling pores, enhancing the hardness, drying the curing agent for 6-12 hours at normal temperature, and finely grinding for 1-2 times by using a 800-mesh diamond magic head to achieve the required smoothness and attractive effect of the inorganic artificial terrazzo floor;
step twelve, coating the floor protective agent; after the inorganic artificial terrazzo terrace is formed, the surface of the terrace is coated with the protective agent, so that the ground can achieve the effects of water resistance, oil resistance and pollution prevention.
2. The cast-in-place inorganic artificial terrazzo terrace according to claim 1, characterized in that: the concrete base layer (4) comprises cement, water, sand and stones; wherein, the weight ratio of cement, water, sand and stones is 1: 0.37: 1.3: 3.4, pressing in stones at the initial setting according to the ratio of 5kg/m2。
3. The cast-in-place inorganic artificial terrazzo terrace according to claim 2, characterized in that: the cement is ordinary silicate 42.5 white cement, the sand is medium sand of natural river sand, the mud content is not more than 3%, and the pebbles are granite with 1.5-3 cm gradation.
4. The cast-in-place inorganic artificial terrazzo terrace according to claim 2, characterized in that: and the stones pressed into the concrete base layer during initial setting are granite with the length of 2-3 cm.
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