Color matching cast-in-place epoxy millstone construction method

Abstract

The invention discloses a color matching cast-in-place epoxy millstone construction method, which belongs to the technical field of building ground decoration, and comprises the following steps: S1, detecting a base layer; s2, repairing a base layer and treating lattice joints; s3, base layer polishing and detail treatment; s4, coating a bottom layer; s5, laying a millstone layer; s6, grouting, grout supplementing and curing are conducted; s7, rough grinding of the surface layer; s8, surface layer medium grinding; s9, fine grinding, polishing and slurry supplementing; s10, sealing layer construction treatment; s11, surface layer polishing and cover surface treatment; and S12, gap sealing and filling treatment. The coating has the effects of being high in wear resistance, high in impermeability and incapable of generating cracks.

Description

Technical Field

[0001] The invention relates to the technical field of building floor decoration, in particular to a construction method of a color-matching cast-in-situ epoxy grindstone. Background Art

[0002] As a traditional decorative material, cast-in-place terrazzo has always occupied an important position in the field of architectural decoration due to its wear resistance, beauty and customizability. In recent years, as people's requirements for decorative effects continue to increase, color-matching terrazzo has gradually become a new favorite in the market.

[0003] However, the traditional color matching grinding stone construction method has problems such as low wear resistance of the ring air grinding stone, poor anti-permeability, and easy cracking.

[0004] In view of the above-mentioned related technologies, it is urgent to design and develop a color-matching cast-in-place epoxy terrazzo construction method to improve the wear resistance and impermeability of the epoxy terrazzo and reduce the possibility of cracks in the epoxy terrazzo. Summary of the Invention

[0005] In order to improve the wear resistance and impermeability of the air-conditioning terrazzo and reduce the possibility of cracks in the air-conditioning terrazzo, the present application provides a construction method for a color-matching cast-in-situ epoxy terrazzo.

[0006] A construction method for cast-in-place epoxy terrazzo with mixed colors comprises the following steps: S1. Base layer inspection: inspect the moisture content of the concrete base layer, the flatness of the concrete, the concrete shell phenomenon and the oil stain pollution on the concrete surface; S2. Base repair and crack treatment: Repair the base according to the problems found in the base inspection, determine whether the cracks that appear during the construction process are dynamic cracks or static cracks, and treat them accordingly; S3. Base grinding and detail processing: Remove all the floating slurry and loose layer on the surface of the concrete base through base grinding, and use an angle grinder to grind the details such as the corners of the wall; S4: Base coating: Before laying the grindstone layer, mix the grindstone primer group 1 and grindstone primer group 2 evenly, then pour the materials on the ground and apply them evenly with a roller brush to control the coating thickness; S5: Laying the grindstone layer: Mix the materials of the first and second grindstone layers according to the specified ratio, use a mortar mixer to mix them thoroughly, spread the mixed grindstone materials on the ground, use an infrared level to lay them horizontally, adjust the thickness, and use a trowel to compact and smooth them; S6: Grouting, grouting and curing: Grouting and scraping are carried out after the grinding stone layer is sealed and cured for 8 hours. After the grouting construction is completed, the grinding stone layer is sealed and cured for 48 hours. S7: Surface rough grinding: Use a grinding machine equipped with a diamond grinding head for trial grinding, and make sure that the dust produced does not adhere to the grinding head and does not turn black (at this point, it means that the curing period has expired and rough grinding can be carried out); S8: Surface grinding: Use a grinding machine equipped with a 50-mesh resin grinding disc for medium grinding, and use a small portable grinder to trim small areas such as wall edges and column edges; S9: Fine grinding, polishing and grouting: Use a grinding machine equipped with a 150-mesh resin grinding disc for fine grinding and polishing. After the 150-mesh grinding is completed, use a 300-mesh resin grinding disc for grinding and polishing. After each fine grinding, the surface should be cleaned and grouted according to the surface condition; S10: Sealing layer construction: After the fine film polishing is completed, the floor is thoroughly cleaned with a vacuum cleaner. Then, the grinding stone sealing material is prepared according to the construction ratio. After sufficient mixing, it is poured on the ground and evenly scraped with a scraper. After the sealing layer is applied and sealed and cured for 8 to 12 hours, it is repeated once more. S11: Surface polishing and finishing treatment: Use 300 mesh resin dry grinding disc and water for the first polishing, this time use linear swing uniform speed polishing and horizontal and vertical cross polishing two polishing methods alternately polishing until the sealing layer resin is polished clean, then use 500 mesh resin dry grinding disc and water for polishing, this time use horizontal and vertical cross polishing polishing method, finally use 1000 mesh water grinding disc and water for the fourth and fifth polishing, this time use horizontal and vertical cross polishing polishing method, after the process is completed, use a polishing pad with a small amount of polishing liquid for fine polishing.

[0007] S12: Gap sealing treatment: Use two-component high-performance star grinding stone elastic sealant to seal the gap, prepare grinding stone elastic glue with a similar color to the floor, and use a professional filling gun to fill the glue.

[0008] By adopting the above technical solution, in the process of producing color-matching cast-in-situ air-generated terrazzo, through S1, base layer inspection; S2, base layer repair and grid joint treatment; S3, base layer grinding and detail treatment; S4: base layer coating; S5: laying the terrazzo layer; S6: grouting, grouting and maintenance; S7: surface layer coarse grinding; S8: surface layer medium grinding; S9: fine grinding, polishing and grouting; S10: sealing layer construction treatment; S11: surface layer polishing and covering treatment; S12: gap filling treatment, the wear resistance and anti-permeability of the air-generated terrazzo can be improved, and the possibility of cracks in the air-generated terrazzo can be reduced.

[0009] Preferably, in step S1, a concrete moisture electronic detector is used to conduct a comprehensive inspection of the concrete base, and a 3m long ruler and a feeler gauge are used to conduct a comprehensive crisscross measurement of the concrete base. A ground surface that is higher than 6mm or lower than 6mm is considered unqualified.

[0010] By adopting the above technical solution and using a concrete moisture electronic detector to conduct a comprehensive test on the concrete base, it can be determined whether the moisture content of the concrete base meets the installation requirements. After the test is completed, a diamond grinder is used to grind the unqualified areas flat, or a milling machine is used to process the high parts of the ground, and the low parts are repaired and leveled with grinding stone repair mortar.

[0011] Preferably, in step S1, an iron rod or a small hammer is used to knock along the ground in a tic-tac-toe pattern, and hollows are marked where found, and wood and other objects contained in the concrete floor are found and removed.

[0012] By adopting the above technical solution, the blank and partially weak parts are marked, and then the empty bags and partially weak parts are repaired with polymer mortar. After the repair, they are cured and solidified to ensure that the newly repaired concrete and the original base layer can be bonded and no cracks will occur.

[0013] Preferably, in step S1, the oil stain pollution is removed by polishing and cleaning the fibers with a degreasing agent, and the cleaned base layer is dried with a hair dryer so that the moisture content reaches the construction requirement standard.

[0014] By adopting the above technical solution, the oil stains are cleaned by grinding the fibers with a degreasing agent, and the cleaned base layer is dried with a hair dryer so that the moisture content meets the construction requirements, which can effectively remove the oil stains.

[0015] Preferably, in step S2, a 45-degree V-shaped notch is opened in the seam and repaired with star grinding stone mortar, with a reserved width of 1 cm and a depth of 20 cm in the gap.

[0016] By adopting the above technical solution, a 45-degree V-shaped groove is opened in the gap and repaired with star grinding stone mortar. The reserved width of the gap is 1 cm and the depth is 20 cm, which is convenient for repairing the gap.

[0017] Preferably, in step S4, the scraping amount used is 0.3 kg / m2, and when the roller is applied, the direction is consistent, the weight is appropriate, the brushing pattern is uniform, and there is no omission.

[0018] By adopting the above technical solution, the scraping amount used is 0.3kg / square meter. When brushing with a roller, the direction is consistent, the weight is appropriate, the brush pattern is uniform, and there is no omission, so as to avoid omissions and incompleteness, thereby avoiding sand twisting and hollowing in the trowel.

[0019] Preferably, in step S5, the paving thickness is 10-12 mm after compaction. During paving, an infrared level is used to perform horizontal paving with a horizontal error of 1-2 mm. A 3-meter rod is then used for detection to ensure that the horizontal error is within 1-2 mm.

[0020] By adopting the above technical solution, the paving thickness is 10-12mm after compaction. During paving, it is horizontally laid with the help of an infrared level and then tested with a 3-meter rod to control the horizontal error within 1-2mm, which can ensure the horizontality of the paving.

[0021] Preferably, in step S5, the trowel machine operates in a clockwise direction for the first pass of compaction and in a counterclockwise direction for the second pass of compaction. The grinding stone layer after troweling and compaction has a thickness of 10-12 mm and a flatness of 1-2 mm.

[0022] By adopting the above technical solution, the trowel machine performs the first compaction in a clockwise direction and the second compaction in a counterclockwise direction. The thickness of the grindstone layer after troweling and compaction is 10-12mm, and the flatness is 1-2mm. The operating speed of the trowel machine and the change of the trowel plate angle should be adjusted according to the conditions of the ground. The operation should be carried out in a clockwise direction for the first compaction and the second compaction in a counterclockwise direction. In the process of sanding, whenever there is a door, it should be done in the door to ensure that the surface of the sanding is dense and flat.

[0023] Preferably, in step S10, after vacuuming, the ground is cleaned with a high-pressure water gun, the ground is sprayed with a high-pressure water gun, and then cleaned from one direction with a dust pusher. Then a water suction machine is used to absorb water, and the ground is cleaned twice. The amount of grinding stone sealing material used is 0.05kg / m2.

[0024] By adopting the above technical solution, after vacuuming, use a high-pressure water gun to clean the ground, spray the ground with a high-pressure water gun, and then use a dust pusher to clean it from one direction. Then use a water suction machine to absorb water and clean it twice, paying attention to the corners. Prepare the grinding stone sealing material according to the construction ratio, stir it thoroughly, pour it on the ground, and scrape it evenly with a professional scraper. The amount is 0.05kg / m2, which can show the real and natural beauty of the grinding stone sand aggregate, and has the effect of decorating and protecting the ground. After the sealing layer is scraped and cured for 8 to 12 hours, it is repeated to improve the decorative effect.

[0025] Preferably, in step S12, a comprehensive inspection is carried out before the gap is processed, and dust and other debris in the gap are removed and brushed loose. After being cleaned with a vacuum cleaner, lines are drawn on both sides of the partition seam and paper tape is pasted. The seam width is 5 to 6 mm and the depth is 10 to 15 mm.

[0026] By adopting the above technical solution, a comprehensive inspection is carried out before the expansion joint is processed. Dust and other debris in the partition joints are removed and brushed loose. After being vacuumed, lines are drawn on both sides of the partition joints and paper tape is pasted. A grindstone elastic glue with a color similar to the floor is prepared and filled with glue using a professional glue gun. When filling the glue, pay attention to the dragging speed to ensure the density and surface flatness of the glue. The glue must not adhere to the floor outside the paper glue to ensure the beauty of the partition joints.

[0027] In summary, this application includes at least one of the following beneficial technical effects: 1. During the production of color-matched cast-in-situ air-dried terrazzo, the following steps are performed: S1: base inspection; S2: base repair and seam treatment; S3: base grinding and detail treatment; S4: base coating; S5: laying the terrazzo layer; S6: grouting, grouting and curing; S7: surface rough grinding; S8: surface medium grinding; S9: fine grinding, polishing and grouting; S10: sealing layer construction; S11: surface polishing and coating treatment; S12: gap filling treatment, which can improve the wear resistance and anti-permeability of the air-dried terrazzo and reduce the possibility of cracks in the terrazzo. 2. After vacuuming, use a high-pressure water gun to clean the ground. Spray the ground with a high-pressure water gun and then use a dust pusher to clean it from one direction. Then use a water suction machine to absorb water and clean it twice. Pay attention to the corners. Prepare the grinding stone sealing material according to the construction ratio. After sufficient stirring, pour it on the ground and evenly scrape it with a professional scraper. The dosage is 0.05kg / m2. It can show the real and natural beauty of the grinding stone sand aggregate and has the effect of decorating and protecting the ground. After the sealing layer is applied and sealed for 8 to 12 hours, repeat the scraping once to improve the decorative effect. 3. Conduct a comprehensive inspection before processing the expansion joints, remove and brush away dust and other debris in the partition joints, vacuum them up, then draw lines on both sides of the partition joints and stick paper tape; prepare a grindstone elastic glue that is similar in color to the floor, and use a professional filling gun to inject glue. When injecting glue, pay attention to the dragging speed to ensure the density and surface flatness of the glue, and do not allow it to adhere to the floor outside the paper glue to ensure the beauty of the partition joints. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a process flow chart of a color-matching cast-in-place epoxy terrazzo construction method in an embodiment of the present application.

[0029] Figure 2 It is a cross-sectional view of the color-matched cast-in-place water-ground surface in an embodiment of the present application.

[0030] Description of reference numerals: 1. Aluminum alloy dividing strip; 2. Base coating; 3. Thick epoxy terrazzo 1; 4. Thick epoxy terrazzo 2; 5. Expansion screws; 6. Fine stone concrete cushion layer; 7. Concrete floor slab. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings.

[0032] The present application discloses a method for constructing a color-matching cast-in-place epoxy terrazzo, comprising the following steps: S1. Base layer inspection: inspect the moisture content of the concrete base layer, the flatness of the concrete, the concrete shell phenomenon and the oil stain pollution on the concrete surface; S2. Base repair and crack treatment: Repair the base according to the problems found in the base inspection, determine whether the cracks that appear during the construction process are dynamic cracks or static cracks, and treat them accordingly; S3. Base grinding and detail processing: Remove all the floating slurry and loose layer on the surface of the concrete base through base grinding, and use an angle grinder to grind the details such as the corners of the wall; S4: Base coating: Before laying the grindstone layer, mix the grindstone primer group 1 and grindstone primer group 2 evenly, then pour the materials on the ground and apply them evenly with a roller brush to control the coating thickness; S5: Laying the grindstone layer: Mix the materials of the first and second grindstone layers according to the specified ratio, use a mortar mixer to mix them thoroughly, spread the mixed grindstone materials on the ground, use an infrared level to lay them horizontally, adjust the thickness, and use a trowel to compact and smooth them; S6: Grouting, grouting and curing: Grouting and scraping are carried out after the grinding stone layer is sealed and cured for 8 hours. After the grouting construction is completed, the grinding stone layer is sealed and cured for 48 hours. S7: Surface rough grinding: Use a grinding machine equipped with a diamond grinding head for trial grinding, and make sure that the dust produced does not adhere to the grinding head and does not turn black (at this point, it means that the curing period has expired and rough grinding can be carried out); S8: Surface grinding: Use a grinding machine equipped with a 50-mesh resin grinding disc for medium grinding, and use a small portable grinder to trim small areas such as wall edges and column edges; S9: Fine grinding, polishing and grouting: Use a grinding machine equipped with a 150-mesh resin grinding disc for fine grinding and polishing. After the 150-mesh grinding is completed, use a 300-mesh resin grinding disc for grinding and polishing. After each fine grinding, the surface should be cleaned and grouted according to the surface condition; S10: Sealing layer construction: After the fine film polishing is completed, the floor is thoroughly cleaned with a vacuum cleaner. Then, the grinding stone sealing material is prepared according to the construction ratio. After sufficient mixing, it is poured on the ground and evenly scraped with a scraper. After the sealing layer is applied and sealed and cured for 8 to 12 hours, it is repeated once more. S11: Surface polishing and finishing treatment: Use 300 mesh resin dry grinding disc and water for the first polishing, this time use linear swing uniform speed polishing and horizontal and vertical cross polishing two polishing methods alternately polishing until the sealing layer resin is polished clean, then use 500 mesh resin dry grinding disc and water for polishing, this time use horizontal and vertical cross polishing polishing method, finally use 1000 mesh water grinding disc and water for the fourth and fifth polishing, this time use horizontal and vertical cross polishing polishing method, after the process is completed, use a polishing pad with a small amount of polishing liquid for fine polishing.

[0033] S12: Gap sealing treatment: Use two-component high-performance star grinding stone elastic sealant to seal the gap, prepare grinding stone elastic glue with a similar color to the floor, and use a professional filling gun to fill the glue.

[0034] In the process of producing color-matching cast-in-situ air-conditioned terrazzo, through S1, base inspection; S2, base repair and grid joint treatment; S3, base grinding and detail treatment; S4: base coating; S5: laying the terrazzo layer; S6: grouting, grouting and maintenance; S7: surface rough grinding; S8: surface medium grinding; S9: fine grinding, polishing and grouting; S10: sealing layer construction treatment; S11: surface polishing and cover treatment; S12: gap filling treatment, the wear resistance and anti-permeability of the air-conditioned terrazzo can be improved, and the possibility of cracks in the air-conditioned terrazzo can be reduced.

[0035] In step S1, a concrete moisture electronic detector is used to conduct a comprehensive inspection of the concrete base, and a 3m long ruler and a feeler gauge are used to conduct a comprehensive crisscross measurement of the concrete base. The ground surface that is higher than 6mm or lower than 6mm is considered unqualified.

[0036] Use a concrete moisture electronic detector to conduct a comprehensive test on the concrete base to determine whether the moisture content of the concrete base meets the installation requirements. After the test is completed, use a diamond grinder to grind the unqualified areas flat, or use a milling machine to process the high parts of the ground, and use grinding stone repair mortar to repair and level the low parts.

[0037] In step S1, use an iron rod or a small hammer to knock along the ground in a tic-tac-toe pattern, mark any hollows found, and find and remove wood and other objects in the concrete floor.

[0038] After marking the blank and partially weak parts, use polymer mortar to repair the empty bags and partially weak parts. After repair, they are cured and solidified to ensure that the newly repaired concrete and the original base layer can be bonded and no cracks will occur.

[0039] In step S1, the oil stain pollution is removed by polishing and cleaning the fibers with a degreasing agent, and a hair dryer is used to dry the cleaned base layer so that the moisture content meets the construction requirements.

[0040] Oil stains are effectively removed by using a degreasing agent to polish and clean the fibers, and using a hair dryer to dry the cleaned base layer so that the moisture content meets the construction requirements.

[0041] In step S2, a 45-degree V-shaped notch is opened in the seam and repaired with star grinding stone mortar. The reserved width of the gap is 1 cm and the depth is 20 cm.

[0042] Make a 45-degree V-shaped groove in the seam and repair it with star-grinded stone mortar. The reserved width of the gap is 1cm and the depth is 20cm to facilitate repairing the gap.

[0043] Before laying sand, place the paving width control line according to the dimensions shown in the diagram. The control line is generally enlarged by 2 to 3 cm according to the width of the dimension line of the first slab. When the floor grouting is solidified and the next slab is laid, the line is accurately laid out according to the dimensions shown in the diagram. Use a floor cutting machine to cut straight at the marked line position, and then chisel off 2 to 3 cm of edge strips to facilitate the handover construction of the next slab.

[0044] When cutting the floor joints, the linear error should be ≯2mm, and the cutting depth should be 7-10mm. The surface should be cleaned after cutting, and there should be no broken edges and no pollution. Construction should be carried out according to the pattern, and then the defense line should be carried out. After determining the position, the pattern should be pasted on the ground, and the mold of the color that needs to be sanded first should be taken out. The edge of the mold fixed on the ground should be pasted with transparent tape. When pasting, it should be straight and without wrinkles. Check carefully whether there are any missed pasting parts.

[0045] After the base layer is leveled, the entire construction area is vacuumed clean and then the lines are laid out according to the dimensions on the drawing. Dividing strips are laid at the line-laying positions and the lines are pulled straight and flat, and fixed with star-grinded stone putty.

[0046] After the base of the entire construction area is treated and the expansion joints are treated, vacuuming is carried out, and materials and construction tools for the next construction process are prepared, including stacking materials in place, normal use of the trowel, normal use of the sand mixer, gasoline preparation, trowel board preparation, and small tools preparation.

[0047] In step S4, the scraper is used to evenly scrape the surface with a dosage of 0.3 kg / m2. When the roller is applied, the direction must be consistent, the weight must be appropriate, the brushing pattern must be uniform, and there must be no omissions.

[0048] The amount of scraping used is 0.3kg / square meter. When applying with a roller, the direction should be consistent, the weight should be appropriate, the brush strokes should be even, and there should be no omissions or incompleteness, thereby avoiding sand twisting and hollowing in the trowel.

[0049] In step S5, the paving thickness is 10-12 mm after compaction. During paving, an infrared level is used to perform horizontal paving with a horizontal error of 1-2 mm. A 3-meter rod is then used for testing to ensure that the horizontal error is within 1-2 mm.

[0050] The paving thickness is 10-12mm after compaction. During paving, it is laid horizontally with the help of an infrared level and then checked with a 3-meter rod to control the horizontal error within 1-2mm to ensure the horizontality of the paving.

[0051] In step S5, the trowel machine performs the first compaction in a clockwise direction and the second compaction in a counterclockwise direction. The thickness of the grinding stone layer after troweling and compaction is 10-12 mm, and the flatness is 1-2 mm.

[0052] The trowel operation should be carried out in a clockwise direction for the first compaction and in a counterclockwise direction for the second compaction. The thickness of the grindstone layer after troweling and compaction is 10-12mm, and the flatness is 1-2mm. The operating speed of the trowel machine and the angle of the trowel board should be adjusted according to the conditions of the ground. The operation should be carried out in a clockwise direction for the first compaction and in a counterclockwise direction for the second compaction. In the process of sanding, whenever there is a door, it should be placed in the door to ensure that the surface of the sanding is dense and flat.

[0053] In step S10, after vacuuming, the ground is cleaned with a high-pressure water gun. The ground is sprayed with a high-pressure water gun and then cleaned from one direction with a dust pusher. Then a water suction machine is used to absorb water. The ground is cleaned twice. The amount of grinding stone sealing material used is 0.05kg / m2.

[0054] After vacuuming, use a high-pressure water gun to clean the floor, spray the floor with a high-pressure water gun, and then use a dust pusher to clean it from one direction. Then use a water suction machine to absorb water, clean it twice, pay attention to the corners, and prepare the millstone sealing material according to the construction ratio. After sufficient stirring, pour it on the ground and scrape it evenly with a professional scraper. The dosage is 0.05kg / m2, which can show the real and natural beauty of the millstone sand aggregate, and has the effect of decorating and protecting the floor. After the sealing layer is applied, it is sealed and maintained for 8 to 12 hours and then repeated scraping can improve the decorative effect.

[0055] After the sealing layer is cured, the smooth coating is carried out. This process mainly aims to achieve the bright finish of the grindstone layer, reduce glare pollution, and prevent acid and alkali corrosion, as well as corrosion resistance to chemicals such as motor oil and nicotine.

[0056] Prepare the fabric according to the construction ratio, stir it thoroughly, pour it on the ground and apply it evenly with a plain roller at 0.05kg / m2; after the smooth coating is applied, it will not affect the true and natural beauty of the aggregate and will effectively decorate and protect the ground.

[0057] In step S11, the surface layer is polished as a cover: a 300-mesh resin dry grinding disc is added with water for the first polishing to completely polish the sealing layer resin and expose the surface of the grinding stone aggregate. This time, linear swing uniform speed polishing and horizontal and vertical cross polishing are used alternately until the sealing layer resin is polished clean.

[0058] The polishing machine must not stop at will, and the machine must move forward at a constant speed. After completion, clean the floor and carefully check whether there is any residual resin on the floor. The floor should feel delicate and have a certain glossiness to complete the polishing.

[0059] Then use 500 mesh resin dry grinding disc and water for polishing, this time adopt horizontal and vertical cross polishing method, finally use 1000 mesh water grinding disc and water for the fourth and fifth polishing, this time adopt horizontal and vertical cross polishing method, after the process is completed, use polishing pad and a small amount of polishing liquid for fine polishing.

[0060] The polishing method in S11 needs to be waterproof polishing to avoid high temperature generated by polishing which may cause the water polishing pad to fade and cause discoloration of the floor.

[0061] In step S12, a comprehensive inspection is performed before the gap is processed. Dust and other debris in the gap are removed and brushed loose. After being cleaned with a vacuum cleaner, lines are drawn on both sides of the partition seam and paper tape is pasted. The seam width is 5-6 mm and the depth is 10-15 mm.

[0062] Before processing the expansion joints, conduct a comprehensive inspection, remove and brush away dust and other debris in the partition joints, vacuum them up, then draw lines on both sides of the partition joints and stick paper tape; prepare grindstone elastic glue that is similar in color to the floor, and use a professional filling gun to inject glue. When injecting glue, pay attention to the dragging speed to ensure the density and surface flatness of the glue, and do not allow it to adhere to the floor outside the paper glue to ensure the beauty of the partition joints.

[0063] A construction method for cast-in-place epoxy terrazzo with mixed colors comprises the following steps: S1. Base layer inspection: inspect the moisture content of the concrete base layer, the flatness of the concrete, the concrete shell phenomenon and the oil stain pollution on the concrete surface; S2. Base repair and crack treatment: Repair the base according to the problems found in the base inspection, determine whether the cracks that appear during the construction process are dynamic cracks or static cracks, and treat them accordingly; S3. Base grinding and detail processing: Remove all the floating slurry and loose layer on the surface of the concrete base through base grinding, and use an angle grinder to grind the details such as the corners of the wall; S4: Base coating: Before laying the grindstone layer, mix the grindstone primer group 1 and grindstone primer group 2 evenly, then pour the materials on the ground and apply them evenly with a roller brush to control the coating thickness; S5: Laying the grindstone layer: Mix the materials of the first and second grindstone layers according to the specified ratio, use a mortar mixer to mix them thoroughly, spread the mixed grindstone materials on the ground, use an infrared level to lay them horizontally, adjust the thickness, and use a trowel to compact and smooth them; S6: Grouting, grouting and curing: Grouting and scraping are carried out after the grinding stone layer is sealed and cured for 8 hours. After the grouting construction is completed, the grinding stone layer is sealed and cured for 48 hours. S7: Surface rough grinding: Use a grinding machine equipped with a diamond grinding head for trial grinding, and make sure that the dust produced does not adhere to the grinding head and does not turn black (at this point, it means that the curing period has expired and rough grinding can be carried out); S8: Surface grinding: Use a grinding machine equipped with a 50-mesh resin grinding disc for medium grinding, and use a small portable grinder to trim small areas such as wall edges and column edges; S9: Fine grinding, polishing and grouting: Use a grinding machine equipped with a 150-mesh resin grinding disc for fine grinding and polishing. After the 150-mesh grinding is completed, use a 300-mesh resin grinding disc for grinding and polishing. After each fine grinding, the surface should be cleaned and grouted according to the surface condition; S10: Sealing layer construction: After the fine film polishing is completed, the floor is thoroughly cleaned with a vacuum cleaner. Then, the grinding stone sealing material is prepared according to the construction ratio. After sufficient mixing, it is poured on the ground and evenly scraped with a scraper. After the sealing layer is applied and sealed and cured for 8 to 12 hours, it is repeated once more. S11: Surface polishing and finishing treatment: Use 300 mesh resin dry grinding disc and water for the first polishing, this time use linear swing uniform speed polishing and horizontal and vertical cross polishing two polishing methods alternately polishing until the sealing layer resin is polished clean, then use 500 mesh resin dry grinding disc and water for polishing, this time use horizontal and vertical cross polishing polishing method, finally use 1000 mesh water grinding disc and water for the fourth and fifth polishing, this time use horizontal and vertical cross polishing polishing method, after the process is completed, use a polishing pad with a small amount of polishing liquid for fine polishing.

[0064] S12: Gap sealing treatment: Use two-component high-performance star grinding stone elastic sealant to seal the gap, prepare grinding stone elastic glue with a similar color to the floor, and use a professional filling gun to fill the glue.

[0065] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A construction method for cast-in-situ epoxy grindstone with mixed colors, characterized by: The steps include: S1. Base layer inspection: inspect the moisture content of the concrete base layer, the flatness of the concrete, the concrete shell phenomenon and the oil stain pollution on the concrete surface; S2. Base repair and crack treatment: Repair the base according to the problems found in the base inspection, determine whether the cracks that appear during the construction process are dynamic cracks or static cracks, and treat them accordingly; S3. Base grinding and detail processing: Remove all the floating slurry and loose layer on the surface of the concrete base through base grinding, and use an angle grinder to grind the details such as the corners of the wall; S4: Base coating: Before laying the grindstone layer, mix the grindstone primer group 1 and grindstone primer group 2 evenly, then pour the materials on the ground and apply them evenly with a roller brush to control the coating thickness; S5: Laying the grindstone layer: Mix the materials of the first and second grindstone layers according to the specified ratio, use a mortar mixer to mix them thoroughly, spread the mixed grindstone materials on the ground, use an infrared level to lay them horizontally, adjust the thickness, and use a trowel to compact and smooth them; S6: Grouting, grouting and curing: Grouting and scraping are carried out after the grinding stone layer is sealed and cured for 8 hours. After the grouting construction is completed, the grinding stone layer is sealed and cured for 48 hours. S7: Surface rough grinding: Use a grinding machine equipped with a diamond grinding head for trial grinding, and make sure that the dust produced does not adhere to the grinding head and does not turn black (at this point, it means that the curing period has expired and rough grinding can be carried out); S8: Surface grinding: Use a grinding machine equipped with a 50-mesh resin grinding disc for medium grinding, and use a small portable grinder to trim small areas such as wall edges and column edges; S9: Fine grinding, polishing and grouting: Use a grinding machine equipped with a 150-mesh resin grinding disc for fine grinding and polishing. After the 150-mesh grinding is completed, use a 300-mesh resin grinding disc for grinding and polishing. After each fine grinding, the surface should be cleaned and grouted according to the surface condition; S10: Sealing layer construction: After the fine film polishing is completed, the floor is thoroughly cleaned with a vacuum cleaner. Then, the grinding stone sealing material is prepared according to the construction ratio. After sufficient mixing, it is poured on the ground and evenly scraped with a scraper. After the sealing layer is applied and sealed and cured for 8 to 12 hours, it is repeated once more. S11: Surface polishing and finishing: Use 300 mesh resin dry grinding disc and water for the first polishing, and use linear swing uniform speed polishing and horizontal and vertical cross polishing alternately until the sealing layer resin is polished clean, then use 500 mesh resin dry grinding disc and water for polishing, and use horizontal and vertical cross polishing, and finally use 1000 mesh water grinding disc and water for the fourth and fifth polishing, and use horizontal and vertical cross polishing. After the process is completed, use a polishing pad with a small amount of polishing liquid for fine polishing; S12: Gap sealing treatment: Use two-component high-performance star grinding stone elastic sealant to seal the gap, prepare grinding stone elastic glue with a similar color to the floor, and use a professional filling gun to fill the glue.

2. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S1, a concrete moisture electronic detector is used to conduct a comprehensive inspection of the concrete base, and a 3m long ruler and a feeler gauge are used to conduct a comprehensive crisscross measurement of the concrete base. The ground surface that is higher than 6mm or lower than 6mm is considered unqualified.

3. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S1, use an iron rod or a small hammer to knock along the ground in a tic-tac-toe pattern, mark any hollows found, and find and remove wood and other objects in the concrete floor.

4. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S1, the oil stain pollution is removed by polishing and cleaning the fibers with a degreasing agent, and a hair dryer is used to dry the cleaned base layer so that the moisture content meets the construction requirements.

5. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S2, a 45-degree V-shaped notch is opened in the seam and repaired with star grinding stone mortar. The reserved width of the gap is 1 cm and the depth is 20 cm.

6. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S4, the scraper is used to evenly scrape the surface with a dosage of 0.3 kg / m2. When the roller is applied, the direction must be consistent, the weight must be appropriate, the brushing pattern must be uniform, and there must be no omissions.

7. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S5, the paving thickness is 10-12 mm after compaction. During paving, an infrared level is used to perform horizontal paving with a horizontal error of 1-2 mm. A 3-meter rod is then used for testing to ensure that the horizontal error is within 1-2 mm.

8. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S5, the trowel machine performs the first compaction in a clockwise direction and the second compaction in a counterclockwise direction. The thickness of the grinding stone layer after troweling and compaction is 10-12 mm, and the flatness is 1-2 mm.

9. The method for constructing a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S10, after vacuuming, the ground is cleaned with a high-pressure water gun. The ground is sprayed with a high-pressure water gun and then cleaned from one direction with a dust pusher. Then a water suction machine is used to absorb water. The ground is cleaned twice. The amount of grinding stone sealing material used is 0.05kg / m2.

10. The construction method of a color-matching cast-in-situ epoxy grindstone according to claim 1, characterized in that: In step S12, a comprehensive inspection is performed before the gap is processed. Dust and other debris in the gap are removed and brushed loose. After being cleaned with a vacuum cleaner, lines are drawn on both sides of the partition seam and paper tape is pasted. The seam width is 5-6 mm and the depth is 10-15 mm.

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