Table 1 Chemical compositions of the pond ashes and fly ash considered in the study.

From: Machine learning prediction of the unconfined compressive strength of controlled low strength material using fly ash and pond ash

Composition

PA1

PA2

FA

CaO

1.6

2.11

1.21

Al2O3

23.9

22.62

26.72

SiO2

60.78

63.33

63.78

SO3

1.71

0.68

0.47

K2O

1.5

1.13

1.21

TiO2

2.9

2.8

2.21

MnO2

0.08

-

0.04

Fe2O3

7.54

6.33

4.29

P2O5

–

0.99

–

Cr2O3

–

–

0.04

Na2O

–

–

–

MgO

–

–

–

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