One Function of composite geomembrane: anti-seepage strengthen. Protection.

1. Construction process principle of composite geomembrane: Composite geomembrane is a geosynthetic material with good anti-seepage effect. The composite geomembrane is laid on the bottom surface that needs anti-seepage treatment, with a sand cushion layer laid on top and a top concrete layer on the embankment to form a fully enclosed anti-seepage system.

2. Construction process of composite geomembrane: Before laying the composite geomembrane, the earthwork filling and bottom trimming of the warehouse are completed, and the flatness of the warehouse surface is achieved The composite geomembrane can only be laid after the compaction degree meets the design requirements and is accepted by the supervising engineer.

3. Construction preparation of composite geomembrane: (1) Cleaning of the bottom of the reservoir Level the site, remove all sharp corners and debris, backfill and compact any slopes Fupo slope cutting and leveling acceptance is qualified, providing a working surface for the laying of composite geomembrane. (2) For the convenience of construction and to ensure the quality of splicing, the composite geomembrane should be as wide as possible to reduce the amount of on-site splicing. Before construction, the width of the composite geomembrane should be considered The on-site length needs to be produced to a fixed length by the manufacturer, with reserved horizontal welding edges.

4. Technical requirements for laying composite geomembrane: The laying should be carried out in dry and warm weather. In order to facilitate splicing and prevent stress concentration, the laying of composite geomembrane adopts a wave shaped relaxation method. After spreading out, it should be flattened and pulled open in a timely manner. The composite geomembrane should match the slope surface smoothly without protruding wrinkles. Construction personnel should wear flat bottomed cloth shoes or soft rubber shoes, and nail shoes are strictly prohibited to avoid stepping on the geomembrane. If the geomembrane is damaged during construction, it should be repaired in a timely manner.

5. Anchoring of composite geomembrane: The upper part of the composite geomembrane is anchored by embedding a sufficient length of composite geomembrane at the top of the embankment, in the form of a concrete sealing plate.

6. Construction precautions: (1) Use landfill type, with a coverage of not less than 30 centimeters. (2) Application of the entire anti-seepage system: cushion layer Anti leakage layer Transition layer Composition of protective layer. (3) The soil should be solid, avoiding uneven settlement and cracks, and the grass within the anti-seepage range Tree roots should be removed and a protective layer of small sand or clay particles should be laid on the contact area with the membrane. (4) When laying, do not pull the geomembrane too tightly. It is better to have the parts buried in the soil at both ends in a corrugated shape, especially when anchoring with steel, leaving a certain amount of expansion and contraction. (5) During construction, stones should be avoided It is best to lay the geomembrane and cover it with a protective layer while constructing heavy objects directly on it.