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. 2019 Feb 4;9:1135. doi: 10.1038/s41598-018-38361-1

Table 1.

UCS results and carbonate content in the specimens treated with three different EICP solutions.

EICP Solution Test No. Peak Strength* (kPa) Mean Strength (kPa) ± STDV. CaCO3 (%) Mean CaCO3 (%) ± STDV.
Solution 1 (Baseline EICP) 1 133 138 ± 18 1.63 1.20 ± 0.37
2 158 0.98
3 124 0.99
Solution 2 (Modified EICP) 1 1817 1745 ± 83 0.82 0.93 ± 0.21
2 1654 0.79
3 1763 1.17
Solution 3 (Modified EICP) 1 1000 1112 ± 247 0.57 0.59 ± 0.20
2 1396 0.71
3 941 0.49

*Peak strength is the maximum axial compressive stress that each specimen can withstand during a UCS test.