Aggregate Source

Specific Gravity

Fineness Modulus

Water Absorption

Silt and Clay Content

Surface Texture

Particle Shape

Tiwi Sand (TS)

2.83

3.014

7.825%

5

Smooth and Coarse

Rounded

Nairobi (QB)

2.80

3.540

2.050%

2.94

Rough, angular with finer particles

Irregular

Naivasha (QV)

2.31

2.587

1.32.%

6.25

Smooth and fine

Rounded