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Table 8 The range analysis on initial and long-term compressive strength.

From: Investigating Various Factors Affecting the Long-Term Compressive Strength of Heat-Cured Fly Ash Geopolymer Concrete and the Use of Orthogonal Experimental Design Method

Factors

7-day compressive strength

28-day compressive strength

480-day compressive strength

A (L/FA)

B (SHC)

C (SS/SH)

A (L/FA)

B (SHC)

C (SS/SH)

A (L/FA)

B (SHC)

C (SS/SH)

K1

199.3

134.7

227.1

211.5

142.8

238.4

260.5

178.7

284.6

K2

218.0

184.7

218.3

224.8

197.1

230.0

265.3

240.6

280.4

K3

207.6

228.7

192.9

221.7

243.3

210.1

272.4

297.1

255.6

K4

183.8

260.6

159.9

193.8

268.6

173.6

245.8

327.6

223.4

K

808.7

808.7

808.7

851.8

851.8

851.8

1044.0

1044.0

1044.0

R

34.2

125.8

71.7

31.1

125.8

64.8

26.6

149.0

61.2