Construction method of terrazzo floor

2022-07-22
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Terrazzo floor is a kind of composite floor material with cement as the main raw material. Its low cost and good performance are widely used in super large public buildings. Maybe many people don't know the construction method of terrazzo floor. Let's briefly introduce the construction method of terrazzo floor

terrazzo floor is a kind of composite floor material with cement as the main raw material. Its low cost and good performance are widely used in super large public buildings. Maybe many people don't know the construction method of terrazzo floor. Let's briefly introduce the construction method of terrazzo floor

· Terrazzo process flow:

base treatment → Find the elevation → Snap the horizontal line → Paving and plastering screed mortar → Curing → Snap the grid line → Inlaid dividing strip → Mixing terrazzo mixture → Brush the cement slurry bonding layer → Paving terrazzo mixture → Rolling and troweling → Trial grinding → Rough grinding → Fine grinding → Polishing → Oxalic acid cleaning → Waxing and polishing

· Terrazzo ground operation process

1. Make leveling course

⑴ make ash cake and screeding: the method is the same as that of floor cement mortar plastering

⑵ brush plain cement mortar bonding layer: the method is the same as that of floor cement mortar plastering

⑶ pave the cement mortar leveling layer: the leveling layer uses 1:3 dry hard cement mortar, first pave the mortar, then use a pressure gauge to scrape it according to the screeding, and then use a wood trowel to grind and compact it. The surface is required to be flat, dense and rough. After the leveling layer is plastered, it should be watered and cured for at least one day the next day

2. Grid strip inlay

⑴ after the leveling layer is cured for one day, snap vertical and horizontal ink lines or patterns on the leveling layer according to the design requirements, and then cut the grid strip according to the ink lines

⑵ use pure cement slurry to plaster the lower part of the dividing strip into splayed corners, and the full-length seat is embedded firmly (about 30 degrees with the leveling layer). The iron wire through the copper strip should be buried well. The application height of pure cement slurry is 3 ~ 5mm lower than that of the grid strip. The grid strip should be embedded firmly, the joint should be tight, the top surface is on the same plane, and the flatness and straightness should be checked through the line

⑶ after the grid strips are embedded, watering and curing shall be started every 12 hours, and the curing shall be carried out for at least two days

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