a. All geotextile pieces and seams must be checked. Defective geotextile pieces and stitches must be clearly marked on the geotextile and repaired.
b. The worn geotextile must be repaired by laying and thermally connecting small pieces of geotextile. The small pieces of geotextile must be at least 200mm longer than the edge of the defect in all directions. The thermal connection must be strictly controlled to ensure that the geotextile patch and the geotextile are tightly combined, and there is no damage to the geotextile.
c. Before the end of every day, make a visual inspection on the surface of all the geotextiles laid that day to make sure that all damaged places have been marked and repaired immediately, and make sure that there is no foreign matter that may cause damage to the laying surface, such as fine needles and small iron. Nails and so on.
d. The following technical requirements should be met when repairing geotextile damage:
e. The patch material used to fill holes or cracks should be the same as the geotextile.
f. The patch should extend at least 30 cm beyond the damaged geotextile.
g. At the bottom of the landfill, if the crack in the geotextile exceeds 10% of the coil width, cut off the damaged part, and then connect the two geotextiles; if the crack exceeds 10% of the coil width on the slope, you must Remove the roll of geotextile and replace it with a new roll.
h. The work shoes and construction equipment worn by the construction personnel should not damage the geotextile, and the construction personnel must not do things that may damage the geotextile on the laid geotextile, such as smoking or poking the geotextile with a sharp tool.
i. For the safety of geotextile materials, the packaging film should be opened before laying the geotextile, that is, one roll and one roll should be laid. And inspect the appearance quality.
j. It is specially pointed out that the geotextile shall be inspected and approved in time after it arrives at the site.