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From: RETRACTED ARTICLE: Research on Construction Risks and Countermeasures of Concrete Dam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