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Table 6 Concrete cracking parameters under short-time heavy rainfall.

From: RETRACTED ARTICLE: Research on Construction Risks and Countermeasures of Concrete Dam

Treatment measures Average cracking area of each crack (mm2/strip) Number of cracks per unit area (strip/m2) Total cracking area per unit area (mm2/m2) Average maximum crack width (mm)
Surface nontreatment 2.3 12.5 29 0.01
Covering insulation quilt 0.0 0.0 0.0 0.0
Add PVA fibers 0.0 0.0 0.0 0.0