Artificial turf, like a car, has a life span. After a long time of wear and use, a lot of such problems will arise, such as: hay fiber hair, ball, powder; turf fault between the lawn; grass shredding from the back of the rubber; filling particles loss and so on. In this way, the artificial lawn will lose the original sports performance, can not reach the standard site construction requirements, will directly or indirectly lead to the athletes in the process of various kinds of injury risk, so the customer will consider replacing the old lawn to replace the old lawn, so the replacement of artificial lawn needs to pay attention to the problem of what problems?
First: clean the lawn. The first step to replace the artificial lawn is to remove the old artificial turf. This work seems to be a very important part of the lawn. Everyone knows that the artificial lawn is laid together with the artificial lawn glue. In the process of dismantling, the lawn is cut off to the lawn level. Cleaning is not about shovelling the whole lawn together.
Second: keep the leveling of the field. There are cement, asphalt and gravel in the foundation of artificial lawn. It is unavoidable to use tools or machines to remove old artificial turf. In this way, the site will be crushed by a machine to cause ground deformation, and the base of cement and bitumen is relatively good. If it is the base of the gravel, the ground base will certainly be crushed by the force of the force. The flatness of the site foundation, the error of the 3 meters straightedge is less than 4mm, and has a certain slope, generally 3-5%, so as to facilitate drainage in rainy days. Keeping the field evenness is not only conducive to the laying of artificial lawn, but also to the drainage system of the site.
Third: waste material handling budget. In the whole process of dismantling, there must be a lot of waste materials to be treated, and all of them need to be removed. After many years of sun and rain use, the original performance has already lost its function and the safety performance is not available. If it is calculated according to the standard 11 - man football field of 50mm, the area is 7848 square, the artificial lawn is about one square 2.7-3kg, and the lawn of a single site is 21 tons -23 tons, and the loss and wear are about 20 tons, followed by the rubber particles and the stone sand, according to the FIFA standard per square meter lawn. 25kg quartz sand +6kg rubber particles, a site with 196 tons of quartz sand and 47 tons of rubber particles, subtracted loss and breakage, plus more than 200 tons of waste materials, according to the different transportation costs and labor in each area, this is a relatively large cost, so this pre calculation must be taken into consideration.
Fourth: cleaning the site. After being removed from the old lawn, the site will certainly leave a lot of garbage. Before making the new artificial lawn, it is necessary to clean up the ground base, clean up the left waste materials and garbage, and rinse the waste water with water and clean the ground dust on the ground so that the site can be better guaranteed. It is better to clean up and then further build artificial lawns.
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