Granite floor construction process

Preparation→Bouncing line→Stone protection treatment→Selection→Paving→Rubbing seam→Stone waxing

2. Construction technical requirements:

(1)Grass-roots level treatment: Ground residual mortar, dust cleaned up the surface is flat, no loose particles.

(2) line: according to the size of the drawings and arrangement of the requirements of the baseline and control grid.

(3) stone protection treatment: the use of high-quality stone protection agent on the six sides of the stone protection, corners after cutting the parts to be re-painted. Through the protection process, can effectively prevent the return of alkali discoloration.

(4) Selection of materials: according to the pop-up line on the ground pre-arranged, will be similar in color and shade put together to avoid excessive color difference. The overall effect is considered the best when the board is numbered and drawn plan layout, so that the construction of the right number.

(5) paving: first lay a number of lines as a benchmark, to play the role of the disk. Stone paving will be cleaned up before the back, the first test paving, in the grass-roots level evenly brushed a plain cement slurry, brush with paving, with 1:3 dry cement mortar as a bonding layer, slabs placed, with a rubber mallet, until level, mortar bonding layer is dense, pick up the slabs to increase or decrease the mortar, pouring a layer of cement mortar and then put down the stone, four corners of the rubber mallet gently knocked flat, corrected.

(6) rub the joints: white cement with color powder modulation and stone color similar to the special caulking inlay.

(7) stone waxing: our company uses imported new equipment and new special hard wax for waxing construction, waxing uniformity, do not show the bottom color, color consistency, clean surface.

3 quality requirements:

Stone technical grade, gloss, appearance quality should be in line with the provisions of the current national industry standards.

Sheets with cracks, falling corners, warping and surface defects should be removed; before laying should be based on the stone color, pattern, pattern, texture and so on according to the design requirements, the trial spelling number.

Before laying the stone, the plate should be soaked and dried; combined layer and plate should be laid in sections at the same time.

(1) main control items:

Stone varieties, quality should meet the design requirements.

Inspection method: observation and inspection and check the material qualification records.

The surface layer and the next layer should be combined firmly, no hollow drum. Inspection method: check with a small hammer.

(2) general items:

Stone surface should be clean, smooth, no abrasion marks, and should be clear pattern, color and luster, uniform joints, perimeter straight, set correctly, no cracks, corners, corners, flutes and other defects. Inspection method: observation and inspection.

The skirting surface should be clean, consistent height, combined with a solid, consistent thickness out of the wall. Inspection method: observation and light impact with a small hammer and steel ruler check.

The slope of the surface should be in accordance with the design requirements, no inverted flooding, no accumulation of water; and floor drains, pipelines should be combined with a tight and solid, no leakage. Detection methods: observation, splashing water or slope ruler and water storage check.

The permissible deviation of marble and granite surface layer should be in accordance with the provisions of Table 6.1.8 of the Code for Acceptance of Construction Quality of Building Ground Engineering. Testing method: it should be tested according to the testing method in Table 6.1.8 of the specification.

4. should pay attention to the problem

(1) slab and grass-roots level drumming: concrete pad cleaning is not clean or not enough watering and wetting, brushing cement mortar is not uniform or brushed too long has been air-drying, leveling layer with a plain cement mortar bonding layer into the isolation layer, stone is not immersed in water and wetting and other factors are prone to cause drumming. Therefore, must strictly comply with the requirements of the operation process, grass-roots level must be cleaned up, leveling layer mortar with dry hard, with paving and brush a layer of vegetal mortar, stone slabs must be soaked and moistened before laying.

(2) stone activities at the doorway: paving is not in time to pave the doorway stone with the adjacent ground. In the process arrangement, the stone ground outside the room floor should be completed first. The doorway stone and the ground continuous paving.

(3) skirting board out of the wall thickness is not consistent, and should be through the construction of the floor of the building construction layer.

(4) stone deformation joints requirements:

1) large area of the ground stone deformation joints should be set according to the design requirements, deformation joints should be consistent with the corresponding structural joints location, and should be through the building floor of the construction layer.

2)Settlement joints and seismic joints width should be in accordance with the design requirements, clean up the joints, with flexible sealing material filling with a plate cover, and should be flush with the surface layer.