Table 7 Five new test data-points with various nano-clay values to evaluate the effect of this parameter on the tensile strength and examine the performance of machine learning techniques.

From: Hybrid machine learning models for predicting the tensile strength of reinforced concrete incorporating nano-engineered and sustainable supplementary cementitious materials

Cement content (kg/m3)

w/c ratio

Fine aggregate (kg/m3)

Coarse aggregate (kg/m3)

Nano-clay (%)

Basalt fiber (%)

Carbon nanotubes (%)

Geopolymer binder (%)

Curing time (days)

Superplasticizer (%)

350

0.4

750

1000

1

1.5

0.5

15

14

1

350

0.4

750

1000

2

1.5

0.5

15

14

1

350

0.4

750

1000

3

1.5

0.5

15

14

1

350

0.4

750

1000

4

1.5

0.5

15

14

1

350

0.4

750

1000

5

1.5

0.5

15

14

1

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