This document stipulates the general provisions for welding tightness testing of tunnel waterproofing panels, weld tightness testing, weld scar tightness testing, reports and records, etc. This document is suitable for welding tightness testing of tunnel waterproofing panels, and can be used as a reference for other engineering waterproofing sheet welding tightness testing.
DB61/T 1772-2023 history
2023DB61/T 1772-2023 Testing procedures for welding tightness of tunnel waterproofing panels