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Table 4 Concrete cracking parameters under the coupled conditions of strong wind, dryness, and heat.

From: RETRACTED ARTICLE: Research on Construction Risks and Countermeasures of Concrete Dam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 26.4 10.4 275 0.14
Covering insulation quilt 10.0 4.2 42 0.18
Add PVA fibers 7.8 8.3 65 0.04