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Construction process:

According to the normal construction process, it mainly describes the principles of stone paving layout, finished product protection during secondary handling, stone cleaning and six-sided protection, construction samples, specific processes during stone paving construction, seam width control, combination of true and false seams, finished product protection, specific grouting process, surface manhole cover production, stone cleaning and surface moisturizing.

Lessons learned:

Mainly from the grassroots slope, the on-site management personnel did not give full technical instructions, did not understand the specific construction process, did not urge the construction unit to submit a comprehensive stone paving layout drawing, were not familiar with the original design drawing, the protective agent effect was not ideal, the planting hole depth positioning error and the shrub growth and pruning space were not reserved.

Layout adjustment principle

In order to ensure that all stone paving seams can be aligned, many board specifications appeared on site, and the processing and construction were very difficult.

Unified large panel specifications, only different specifications of boards appeared in a small local area.

Left: 45° jointing

Right: A small amount of different specifications of boards are allowed in the corners

stone pavingeffects of different layouts

Left: Original layout Right: Although 1/4-inch or irregular boards appear, the overall stone paving effect is guaranteed	Left: The actual effect of 45° jointing at the corners during stone paving layout Right: According to the actual situation on site, the size of the board is changed in the more hidden parts to achieve the uniformity of the material specifications of the large surface.	Left: The stone in this part is widened according to the site Right: The stone in this part is lengthened according to the site

“When stone paving layout, according to the actual situation on site, the center line of the main entrance is used as the reference to expand to both sides, allowing 45° jointing or large and small boards to appear in the more hidden parts, such as corners. The specifications of the large-surface stone paving boards should be as uniform as possible to reduce the difficulty of board processing and construction.”

	Finished product protection during secondary material handling		The third step, when the stone arrives on site, is six-sided bottom protection
	The first step when the stone arrives on site is a thorough cleaning		Place after brushing protection: small stones are placed on the four ends of each piece
	Dry after cleaning; the surface of the stone faces up when drying		Stacking on site after brushing protection: the surface faces down
	Dry after cleaning; the stone surface should face up when drying		Stacking on site after brushing protection: different placement methods for different boards

Stone protection

• In order to achieve the best effect of stone protection, the measures taken on site when the stone enters the site are:
• Use a tap and a brush to flush and brush to ensure the cleanliness of each board.
• After cleaning, due to limited construction site, different boards are placed in different ways to increase the wind-exposed area and speed up drying. Due to weather factors, even use a small sun for drying.
• After completely drying, fixed personnel will perform six-sided protection, and special porters will be assigned to place the finished protective stones one by one to the designated location, and the blocks will be separated by small stones to speed up the drying speed. Generally, the surface layer of the stones after protection is placed downward so that the stone pavingworkers can directly apply the adhesive layer on the back.

 Implement the construction sample first system

In order to do a good job of pre-control, before the large surface stone paving, samples of different combinations of materials in each area will be made first, and the construction process of the large surface stone paving will be required according to the sample effect.

When making the sample, the following should be achieved:

1. All stone pavingmaterial combinations in different areas should be included.
2. The joint width between each material should be consistent with the large surface, and joints should be grouted with grout. The color and effect of the joints should also be consistent with the actual construction.
3. All materials should be protected on the six sides, and the surface layer should be moisturized after stone paving. The final effect of the construction sample should reflect the actual effect of the large surface stone paving.

Before stone paving in special requirements, the ground should be marked	Before the construction of the bonding layer, slurry should be applied	Construction process of stone paving seam width positioning

All stone paving seam width positioning on the outside of the property management building is accurately positioned by combining a cross locator and a pull line. The specific steps are as follows (taking the 500*500 golden hemp in the illustrated area as an example):

1. After the stone pavingof the imperial concubine red is completed, a standard 500*500 golden hemp is used for trial stone paving. The golden hemp and the imperial concubine red are accurately positioned at both ends with a 5MM cross locator to control the seam width. Then, the pull line is fixed according to the other edge line of the golden hemp.
2. After the pull line position is determined, the next board is officially laid with the line as the standard, the edge line is aligned with the pull line, and the other end is checked with a cross locator to control the seam width.
3. In actual construction, if there is a deviation and the board needs to be cut, the cutting part must be re-brushed with protection after the cutting is completed, and the board is used after it is dried.

We use fake seams mainly because of the following considerations:

1. The 10CM*10CM Guifei Red is smaller in size. If it is directly laid, the flatness effect is not as good as fake seams, and the project progress is slow.
2. The 4MM*6MM fake seam is only 1MM different from the seam width of the large-surface hard stone pavingwith seams. The difference is not obvious to the naked eye, and the seam width between each fake seam is consistent, which is more three-dimensional than the normal joint.

stone paving construction process:

During hard stone paving construction, we take the following measures:

1. In parts with high requirements for local borders (such as the 8-meter platform on site), due to the combination of various specifications of plates and the large internal surface being paved at 45° for accurate size, the stone pavinglayout diagram is accurately placed on the construction ground;
2. In order to increase adhesion, slurry is first applied to the base layer.
3. After the construction is completed, the finished product is protected in time, and it is covered while stone paving.

“According to the seam width requirements (the basic seam width is 5 mm), stainless steel is used for on-site grinding until the width meets the seam width requirements. In actual construction, the seams are first swept with special grout and then pressed with special tools. Each seam must be pressed back and forth twice to ensure that the seam end position is a right angle instead of an arc.”