Table 3 Chemical composition of soil and bio-augmented.

From: Assessing the biocementation of lateritic soil using hydraulic conductivity and bioinspired optimization approach

Oxides content (%)

0 (natural soil)

Bacteria suspension densities [×108cells/ml]

1.5

6

12

18

24

SiO2

57.63

54.318

53.411

54.362

52.753

52.704

Al2O3

19.25

18.105

17.106

18.635

17.507

16.912

Fe2O3

13.34

13.113

12.936

12.739

12.503

11.802

K2O

0.15

0.124

0.071

< 0.001

0.034

0.117

CaO

0.074

4.454

7.361

5.721

9.249

12.723

MgO

0.56

0.482

< 0.001

0.321

< 0.001

0.302

Na2O

< 0.001

0.004

0.043

< 0.001

0.001

0.001

TiO2

1.882

1.534

1.801

1.722

1.842

< 0.001

MnO

0.03

< 0.001

0.030

0.015

0.006

0.001

SO3

0.021

0.013

< 0.001

< 0.001

< 0.001

< 0.001

Cr2O3

0.022

0.012

< 0.001

0.011

0.004

< 0.001

V2O5

0.064

< 0.001

0.027

< 0.001

< 0.001

< 0.001

MnO

0.053

0.021

< 0.001

< 0.001

< 0.001

< 0.001

ZrO2

0.011

< 0.001

0.011

< 0.001

< 0.001

< 0.001

LOI

6.37

7.303

6.531

6.474

6.101

5.438

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