The large-area unit-type strip-shaped granite construction technology utilizes the processing method of zeroing and zeroing. The floor and roof of the building with irregular shape and many nodes are firstly divided into units, and the small-sized strip-shaped granite is firstly composed of units, and then applied. The unit is assembled and laid to achieve an aesthetic and practical economic effect.
The basic steps of the whole operation process are: dividing unit → trialing → elastic line → trial row → base layer treatment → laying mortar → paving granite → filling, wiping seam → node treatment → curing → waxing. First of all, in the process of processing must be familiar with the drawings, for a better understanding of the details, the material needs to be tested after the material enters the field, respectively, the specification, thickness, variety, etc., and requires the stone manufacturer to carry out before leaving the factory. Fan base treatment, and then the technical team to the technical team, and then operate. 365 stone nets summarize the operation process of this process, as follows:
1) Division unit: According to the computer layout and site conditions, the granite paving part is divided into several units. When dividing the unit, it should be adapted to local conditions and reasonably arranged to achieve overall beauty.
2) Trying out: Before the formal laying, the granite plates of each block are tried and matched according to the color and variety. After the trial, they are numbered in two directions, and then placed in accordance with the numbering.
3) Elastic line: In the 2 blocks, the block ink line is used to check and control the block position of the granite plate. The block line is projected on the base layer and led to the junction of another block or other junction. Pull the horizontal control line according to the slope and the direction of the slope.
4) Test row: Two dry sands are laid in two mutually perpendicular directions in the test block, the width of which is larger than the plate, and the thickness is not less than 3 cm. According to the trial slate number and the construction large sample, combined with the actual size of the block, the granite plates are arranged to check the gap between the plates.
5) Base treatment: remove the floating pulp, floor ash, etc. stuck on the base layer with a tweezers or wire brush, and then clean the floating soil with a broom.
6) Laying mortar: Wet the substrate before laying, and brush a cement slurry or interface agent on the substrate, and dry and evenly dry the cement mortar with the brush.
7) Laying granite: Place the granite on the dry mix and level with a rubber mallet, then pick up the granite and pour a proper amount of cement slurry on the dry mix. Apply a cement paste of about 1 mm thick on the back of the granite, place the granite on the flat dry mix, and use a rubber hammer to level the granite against the elevation control line and the square control line.
8) Grouting and wiping: Grouting and grouting should be carried out 1 to 2 days and nights after paving. According to the color of the granite, choose the same color mineral pigment and cement to mix evenly, adjust to 1:1 thin cement slurry, and slowly fill the gap between the granite plates with the pulp pot. The filling is carried out several times, and the flowing cement slurry is scraped into the gap with a long scraper, and the excess slurry is designed and wiped off.
9) Node processing: The two types of stone in this project are laid out in irregular mosaic according to design requirements, and the intersection of different materials is divided into 20mm wide stainless steel strips. Four kinds of node processing schemes can be adopted, and the model open circuit is adopted, and the formal construction plan after large-area deployment is selected according to the appearance and quality of the actual sample construction.
10) Maintenance: After the surface layer is finished, place the enclosure on the side, send someone to look after it, and sprinkle water for no less than 7d.
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