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From: RETRACTED ARTICLE: Research on Construction Risks and Countermeasures of Concrete Dam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