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The quality of the geomembrane itself is very important to the safety protection of the river embankment. When transporting geomembrane, it should not damage or pollute the environment, and long-term contact should be avoided.

In the design of roof waterproof structure, due to the consideration of structural deformation, temperature deformation, shrinkage deformation, vibration and other influencing factors, it is necessary to take the key to deformable parts such as deformation joints, partition joints, roof ridges, cornices, gutters, water downs, entrances and exits. An additional reinforcement layer is provided on the site.

Geotextiles are widely used, but in order to meet the needs of various projects, the specifications of geotextiles are also increasing.

Sew knit polyester cloth before application and waterproof layer, should check the current status of the roof at the grass-roots level to ensure that the roof with no moisture, no freezing, smooth and clean, no loose grain protrusion, even other blocking some impurities, waterproof system of the cohesive force for don't need the waterproof work must carry on the protection of areas, use brush, broom to clean up the surface dust, Or other loose attachment, for the corner, gap joints, water outlet, out of the pipeline need to apply waterproof system, the need for separate treatment work in advance, the use of a layer of basic coating to add appropriate size of stitched polyester cloth to add a layer of basic coating, Next, I will talk to you about the construction process of sewing polyester cloth to help you have a deeper understanding of sewing polyester cloth.

Before laying the composite geomembrane, the excavation and inspection of the exhaust trough, the cleaning and leveling of the bottom of the warehouse and the inclined surface must be completed.

There are two ways to lay composite geomembrane on the upstream dam surface of the earth dam. The other is laying perpendicular to the dam axis (horizontal laying). There are 7 anti-slip tooth grooves on the upstream slope, and the tooth groove spacing is 5-10m. The bottom of the tooth groove is 1m wide and 0.8m deep. This project adopts the horizontal laying method, and the composite geomembrane must be folded 50cm and stretched at the upper end of the grazing.