The terrazzo surface is suitable for construction sites where there are certain moisture-proof (waterproof) requirements and high dust-proof, clean and other construction ground projects, such as general assembly workshops and constant temperature and humidity workshops in industrial buildings. In civilian buildings and public buildings, they are used more widely, such as airport terminals, hotel foyers and hospitals, dormitory walkways, bathrooms, dining rooms, conference rooms, offices, and so on. Here we come together to understand the terrazzo floor construction process .
1. Process Flow: Inlaying sub-cell strips → cleaning, wetting the base layer → brushing bonding layer → paving stone slurry → rolling compaction → iron wipe flattening → rough grinding → polishing slurry → fine grinding → fine grinding → pickling Wax.
2. Inlay sub-bars: According to the design grid and pattern requirements, use the color line to wrap the clear lines on the grassroots level, and then use a thick cement to stick the bar to a fixed position; side. The copper bar is applied with 60mm long wire passing through the molding hole and buried in the cement paste. The paste paste height should be 3~4mm higher than the top surface of the molding. After the molding is fixed for 24h, it should be watered for 2~3d. .
3, clean up the wet base: The base laitance, floating mud, oil, sand, glass, etc. carefully clean, if necessary, can be properly cut hair or brush clean with a wire, stone pulp slurry the day before, should be sprayed to make grass-roots It is fully wet, but there must be no clear water when brushing the stone layer.
4. Brush the bonding layer: Brush the surface of a layer with a cement-slurry binder layer with the same water-cement ratio as the surface layer cement of 0.4 to 0.5.
5. Spread the stone pulp: spread the stone pulp in accordance with the mix ratio on the bonding layer. The volume ratio of cement and stone pillars in the stone pulp is generally 1:1.5~2. The thickness is not limited to special requirements, but is generally 10 ~ 15mm, the consistency shall not be greater than 60mm, the stone paving sequence is paved first dark, after the solidification is supplemented with light-colored, stone pulp is poured into the dividing bar, use an iron trowel to tile to the four sides to the ruler Scrape, flatten and compact, and pay special attention to leveling and compacting on both sides and corners of the grid. Partitions on both sides and at the intersection should pay special attention to leveling and compacting. It is advisable to spread the thickness to make the stripe 1~2mm higher than the actual level after pressing. After the stone's over-balance, it can be properly sprinkled on the surface. Layer stones, some stones are removed from the dense area, and then rolled with rollers.
6, iron wipe flattening: After the stone pulp slightly received water, with iron trowel will be rolling corrugated compaction, if found stone over-balance, still embedded, 24 h after watering conservation.
7. Grinding stone: Before the grinding, the grinding should be tested so that the stone does not fall off. Coarse grinding is 60-80# grinding wheel, to the surface grinding, grinding uniform, all revealing moldings and stone particles only, clean, wipe the first time the pulp, polishing slurry for a certain period of time (1 ~ 2d), with 80 ~ 120 # wheel fine grinding, grinding smooth and clean, rub the pulp. After polishing for a certain period of time (1~2d), polish it with 180~200# grinding wheel until the surface is smooth and smooth. The stone is exposed uniformly. No fine grinding marks, corners, etc. are worn by the grinding machine. Use artificial hands. mill.
8, pickled and waxed, with oxalic acid solution in the wipe on the surface layer evenly coated, each coated with a stone, rubbing out the cement and stone grain nature with oilstone, and then rinse, dry with a soft cotton cloth, then use a thin cloth Polishing wax, thin layer of coating, after the dry with a wooden block on a thin canvas or wool felt instead of grinding stone, mounted on the grinding machine grinding, grinding until smooth and bright.
The above knowledge about the terrazzo floor construction process is introduced here, and I hope to be helpful to everyone. Want to know more relevant knowledge, please continue to pay attention to Qi family information.
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