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Methods of attaching and securing the plaque stone on the facade

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Due to the lack of complete adhesion of the stone and the slurry behind it due to the smooth surface behind the plaque stones, it is possible that after several times after the implementation of the stone with rainwater penetration and ambient moisture from the existing pores of the stone surface and the joints between them and with The freezing of the water in those rocks is so-called loose in place and after a while they fall out of place.

Stone is one of the materials and elements that constitute the main components of building materials. The stone is used in different ways in the building. To execute the stone in the facade of the building, mainly the stone is cut to the desired thickness from 1.5 to 2.5 cm and sometimes more than 2.5 or less than 1.5 cm depending on the use used in stone cutting factories. And the surface of the facade is polished in most cases and is cut in dimensions and widths, usually 20 to 40 cm, which enters the workshop for use as plaque stone.

How to make plaque on the wall:

The method of execution is that first the stone in the desired size by a hook from the rebar, usually grade 6, which is bent in a semicircle, is placed in its place in a vertical position and then the distance between the stone and the wall should be at least 2 cm and at most 3 cm. It is filled with 400 kg / m3 cement by means of sand and cement slurry. With the drying of the slurry and the adhesion between the stone and the slurry and the wall, the stone is placed in its fixed place, and in the same way, the stones of the plaque are placed on top of each other.

However, due to the lack of complete adhesion of the stone and the slurry behind it due to the smooth surface behind the plaque stones, it is possible that after several times after the stone is exposed to rainwater and ambient moisture from the existing pores of the stone surface and the joints between them and ice The water in those stones is so-called loose in place and after a while they fall out of place, which may cause financial and human losses due to the falling of the stone from the height. Therefore, in order to prevent this Complications are considered in stone masonry, which are as follows.

Stone restraint scope with galvanized wire:

In this method, before applying the stone, a groove is made in the two edges of the stone (opposite each other) by a milling machine, and then the galvanized wire with a diameter of 1 mm is usually crossed and tightly passed through the grooves so that the wire is not loose. And tie the two ends together. In order to prevent the wire from sticking to the back of the stone during grouting, a small piece of stone with a thickness of 1 to 2 cm is placed under the wire and the gap created causes the wire to be placed inside the grout, thus creating a complete bond between the plate stone and grout. .

It should be noted that the wire used must be made of stainless steel so that it does not rot over time and is not destroyed.

Rock fork restraint:

Here we use a small hook that is made of stainless steel, which is called a scoop rake.

This method is to create a groove in the upper and lower edges of the plaque stone and after placing the stone in its desired location during grouting, place the scope rake in the rock groove as shown in detail 2 and grout In the next vein, place the nail bent towards the top of the rake in the groove at the bottom of the stone, and thus the entrapment of the plaque stone is completed in its place.

Securing the plate stone with screws and dowels:

This method is done after masonry and is done in such a way that a hole plate is created in it at several points by the drill machine. It should also be noted that the screws and washers used should be made of stainless steel to prevent decay over time.

Stone is one of the materials and elements that constitute the main components of building materials. Stone is used in different ways in the building. To implement stone in the facade of the building, mainly stone with the desired thickness from 1.5 to 2.5 cm and sometimes more than 2.5 or less. It is cut from 1.5 cm according to the use in stone cutting factories and its facade surface is polished in most cases and it is usually cut in dimensions and widths of 20 to 40 cm, which enters the workshop for use as plaque stone.

Restraining the stone by sticking a piece of stone to the back of the plaque stone:

This method, which is very easy and inexpensive, is used in rare cases, but if you do not have access to a wire scoop or rake, this method can cause stone entrapment in an acceptable way.

In this method, by gluing a few pieces of stone to the back of the plaque stone by gluing the stone, a trap is created between the plaque stone and the slurry. Pieces of stone can be about 4 cm in size and the thickness of the slab stone itself (you can use the fragments of the slab stone itself).

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