Trail bricks are generally used in public places, and we can see them everywhere. The earliest trail bricks were made of sand and cement, and they were also hand-made, so it not only had poor water-permeability, but was also particularly prone to breakage. However, the trail bricks now made are often better than the traditional ones in every aspect. So what is a trail brick ? What should we pay attention to when constructing trail bricks? Let's take a look with the editor.
1. What is a trail brick
1. The trail brick is an artificial board made of concrete, fly ash, etc. At the same time, its shape is larger than that of the brick, and the construction is faster. Trail bricks are also divided into small, medium and large bricks, and medium and small bricks are generally used.
2. Trail bricks are divided into porous grass-planting bricks in appearance, and are divided into single-row square holes and multi-row flat-hole lamps. The porous ones can be better for plants, followed by main bricks and auxiliary bricks according to function. In addition, the walking brick with high water absorption rate can not be soaked with water frequently, which will shorten its service life.
Second, what should be paid attention to when laying trail bricks
1. First, clean the debris on the surface of the base layer, rinse with water at the same time, and then lay out according to the design drawing. Determine the position when laying, and then wet the brick with water first, and then use it when there is no water on the surface of the brick.
2. Sprinkle water on the surface layer of the construction ground, and then evenly apply cement mortar, the area should not be too large when brushing, how much is paving. Second, the thickness of the brush should be controlled at 10 mm to 25 mm, and the height of the paving should be 3 mm to 4 mm higher than the surface layer. After the paving is finished, use a ruler to smooth it, and then use a tool to smooth it.
3. The dry and hard mortar should be used while mixing. It can be held in a lump by hand, and it is best to sprinkle it on the ground. In addition, after laying two or three lines, check the verticality of the seam. If there are irregularities, they should be trimmed in time, and they must be firm with a hammer.
4. After all the paving is completed, the seam sweeping process should be carried out, and the seam sweep can be performed with 1: 1 cement and sand. Secondly, after 24 hours of paving, water should be used for curing for at least one week. Only the strength of the newly paved walkway bricks can be used when it is hard. At the same time, the cement mortar cannot be placed on the paved walkway bricks to avoid pasting on it and affecting the appearance.
Editor's summary: What is the trail brick and what should I pay attention to when laying the trail brick is introduced here. In addition, when using the walkway brick, you can't use a sharp tool to scrape its surface, which will not only reduce the appearance, but also shorten its service life.
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