Influence of Curing Humidity on the Compressive Strength of Gypsum-Cemented Similar Materials

Table 4

The relationship between the strength increase rate and curing humidity (uniaxial compressive strength variation rate, kPa/d).

Time periods	Humidity
	10%–15%	40%	60%	80%
1 d-2 d				9.50
2 d-3 d				14.30
3 d-4 d				1.60
4 d-5 d				46.30
5 d–7 d	−1.06
7 d–10 d		−0.90
10 d-11 d
11 d-12 d
12 d-13 d
13 d-14 d
14 d-15 d			−1.09
15 d-16 d
16 d-17 d
17 d-18 d				−1.27
18 d-19 d
19 d-20 d