Table 1: Results of late-age properties of concrete cured at high temperature.

Ref. numberCementitious systemCuring regimesLate-age properties
Precuring timeMaximum temperatureDuration at the maximum temperature

[7]Type I, V cement,
FA
24 h10, 23, 35, 50°CCT: until testing agesLower late-age strength and elastic modulus of the concrete cured at 50°C.

[20]Type I, V cement24 h10, 23, 50°CCT: until testing agesLower 28-day strength of the concrete cured at 50°C

[21]PC24 h5, 20, 30, 40°CCT: until testing agesLower strength and coarser porosity of the samples cured at 40°C.

[22]PC24 h4, 22, 40, 85°CCT: until testing agesLower strength and coarser porosity of the samples cured at 40°C and 85°C

[23]PC,
GGBS
24 h25, 35, 45, 55, 100°CCT: until testing agesLower strength of plain cement concrete cured at 45 up to 100°C, while higher strength of samples containing GGBS cured at elevated temperature

[24]PC
GGBS
LP
24 h20, 30, 40, 50°CCT: until testing agesLower 28-day strength of all samples cured at 40 and 50°C

[25]PC0, 1, 2, 6 d40°CVT: 1 d;
CT: until testing ages
Almost no negative effects on late-age strength of samples cured at 40°C with precuring time.

[26]PC,
NP
0 h40, 60°CVT: 1, 3, 7 d;
CT: until testing ages
Lower strength of the plain cement concrete and higher strength of the concrete containing natural pozzolan cured at 40°C and 60°C (CT) at 28 and 90 days
Lower strength of the concrete containing natural pozzolan cured at 40°C and 60°C (VT) at 28 and 90 days

[27]PC,
LP, NP,
GGBS
24 h20, 30, 40, 50°CCT: until testing ages;
VT: 1, 3, 7, 28 d
Decreasing strength of all samples with temperature rise, and lower decreasing ratio of the samples containing mineral admixtures

[28]PC,
FA
1 d27, 34, 42, 50°CVT: 7 dLower late-age strength of OPC concrete cured at 42 and 50°C, while higher for OPC-FA concrete

[29]PC4, 7 h42, 46, 85°CVT: 4, 12, 14 hSimilar microstructure of samples cured at 46 and 42°C with that at 20°C, while coarser microstructure of samples cured at 85°C

[30]PC,
PFA,
SF
24 h20, 60°CVT: 3 dHigher strength of the mixes containing pulverized fuel ash and silica fume cured at 60°C, while lower strength of Portland cement mixes cured at 60°C than those under normal curing

[31]PC,
FA,
GGBS
3.5 h70°CVT: 4 hHigher 28-day strength of the concrete containing mineral admixtures cured at 70°C

Note. PC: Portland cement; FA: Fly ash; PFA: pulverized fuel ash; NP: natural pozzolan; SF: silica fume; GGBS: ground granulate blast furnace slag; LP: limestone powder. CT: constant temperature; VT: variable temperature.