Do you know the role of drainage nets in landfills?
RELEASE TIME :
2022-04-12 17:00
With the gradual improvement of modern life, a large number of high-standard landfills are being built, so do you know the role of this drainage network in landfills? Let me give you a brief introduction. I hope it can bring good help to the relevant people.
Drainage net is also a very common product in our life, and it is also a new type of geosynthetic material. The simple point of the drainage network is that it is composed of three-dimensional plastic mesh double-sided adhesive permeable geotextiles, which can replace the traditional sand and gravel layers, so it is usually used in landfills, roadbeds and Drainage material on the inner wall of the tunnel. Of course, its composition structure is a three-dimensional geonet, with geotextiles glued on both sides. The three-dimensional geonet core includes a thick vertical rib, because it also has a pore maintenance system, so that it can completely block capillary water under high load when it is used. At the same time, it can also play a role in isolating the landfill and strengthening the foundation. The drainage net should be laid between the foundation and the sub-base to drain the water accumulated between the foundation and the sub-base, block capillary water and effectively integrate into the edge drainage system. In addition, if this product is laid with a drainage net on the sub-base, it can prevent the sub-base fines from entering the sub-base (that is, play an isolation role). So its effect is relatively large.
In short, the drainage network can be laid between the foundation and the sub-base to drain the water accumulated between the foundation and the sub-base, so that it can well block the capillary water from combining into the edge drainage system. If you see it in your life in the future, you will know its functions. Moreover, its structure automatically shortens the drainage path of the foundation, greatly shortens the drainage time, and at the same time can prolong the service life of the road. In addition, the drainage network is also laid with a three-dimensional composite drainage network on the sub-base, which can prevent the fine materials of the sub-base from entering the sub-base, that is, play an isolation role. In addition, when the drainage network is used, everyone needs to know that in the northern climate, the laying of the drainage network can help reduce the impact of frost heave. If the freezing depth is very deep at the time, then at this time, the geonet can be laid in a shallower position in the foundation as a capillary block. In addition, it can extend down to freezing depths if it still often needs to be replaced with a granular subbase that is not prone to frost heave. In this case, the system can be connected to a drainage outlet so that the groundwater table is at or below this depth.
The content of the above article is about the role of drainage nets in landfills introduced by the editor. If you don’t know much about these, please read them quickly. The next issue will bring more information about it, remember to watch it if you have time.
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