Geomembrane anti-seepage construction technology is favored

It is well known that artificial lakes, streams, ponds and other water bodies add a lot of agility to the beautiful landscape. In recent years, geomembranes with good anti-seepage function have been increasingly used in the construction of water bodies to meet Waterscape construction requirements for different site environments, natural conditions, and water system modeling.
Experts pointed out that the geomembrane is made of plastic film as the anti-seepage substrate, and the geotechnical anti-seepage material combined with the non-woven fabric, its anti-seepage performance mainly depends on the anti-seepage performance of the plastic film. In order to make the material exert a greater anti-seepage effect, in addition to the geomembrane processed by high-quality plastic film, it is necessary to strictly "lay the door" and do every detail.

First of all, the contact surface of the geomembrane and the supporting material should be flat, so as to prevent the film from being punctured and losing its anti-seepage effect. In the uneven place, a fine grain cushion may be laid in advance to protect the film from damage.

Second, the geomembrane itself is tightly connected. Geomembrane joining methods include bonding, welding, and vulcanization. In the greening project of Urumqi, considering the need to ensure a single molding, sturdy and durable, but also to take into account the goal of not polluting the environment, the construction personnel use the welding method to connect a piece of geomembrane. After the connection is completed, the impermeability of the joint gap is checked one by one to prevent leakage due to poor joint connection.

Third, the geomembrane must be closely integrated with the surrounding boundary. If the foundation is a shallow sand gravel permeable layer, the gravel should be excavated until the bedrock, and then the concrete base is poured to fix the geomembrane in the concrete; some foundations are impervious clay layers, which can be excavated to a depth of 2 meters. Anchorage tank with a width of about 4 meters, the geomembrane is placed in the tank, and then the clay is densely backfilled; the local foundation is a deep sand gravel permeable layer, which is covered by geomembrane, and its length is determined according to calculation. .
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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