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Table 3 Test environmental parameters and corresponding treatment measures.

From: RETRACTED ARTICLE: Research on Construction Risks and Countermeasures of Concrete Dam

Properties Environmental conditions Environmental parameters Treatment measures Number
Temperature/°C Relative humidity/% Wind speed/(m/s)
Interlayer properties High temperature 40 30 0 Surface nontreatment A1
Covering insulation quilt A2
Artificial grooves A3
Strong wind 27 60 13 Surface nontreatment B1
Covering insulation quilt B2
Artificial grooves B3
Steep descent of temperature 20–12
(Drop by 8 °C)
20–5
(Drop by 15 °C)
20–5
(Drop by 15 °C)
30 0 Surface nontreatment C1
Surface nontreatment C2
Covering insulation quilt C3
Short-time heavy rainfall 20 30 0 Covering insulation quilt D1
Drain off water D2
Surface nontreatment D3
Early age crack resistance Coupling condition of strong winds and dry-heat 40 30 13 Surface nontreatment
Covering insulation quilt
Add PVA fibers
Strong wind and cold wave 20–5
(Drop by 15 °C)
30–85 13 Surface nontreatment
Covering insulation quilt
Add PVA fibers
Short-time heavy rainfall 20 30 0 Surface nontreatment
Covering insulation quilt
Add PVA fibers