Geomembrane welding specification

Welding channel lap width: 80~100mm; natural folds of plane and vertical surfaces respectively: 5%~8%; reserved expansion: 3%~5%; edge residual: 2%~5%.

Geomembrane laying requirements

Before laying geomembrane, the corresponding qualified acceptance documents of civil engineering should be provided.

How to damage and repair geotextiles

Where seams are joined, they shall be re-sewn and repaired, ensuring that the end of the skipped stitch is re-sewn.

Geotextile installation construction precautions

geotextile can only be cut with a geotextile knife (hook knife), such as cutting on the site, other materials must take special protective measures to prevent unnecessary damage to the geotextile due to cutting;

Self-inspection and repair of geotextiles

All geotextile pieces and seams must be inspected. Defective geotextile pieces and seams must be clearly marked on the geotextile and repaired.

Bentonite waterproofing blanket construction method

1, bentonite waterproofing blanket material weight is large, it is appropriate to use the shovel with waterproofing blanket lifting tool handling, laying. 2, bentonite waterproofing blanket material connection using lap.