Advances in Materials Science and Engineering / 2013 / Article / Tab 1

Research Article

Effects of Clay and Moisture Content on Direct Shear Tests for Clay-Sand Mixtures

Table 1

Physical properties of Al-Qatif clay.


Material passing sieve no. 200>90%
Liquid limit130–150
Plastic limit60–70
Plasticity index70–80
Maximum dry density1.150–1.200 gm/cm3
Optimum moisture content 32–40%.
Swell per cent (ASTM D4546) 16–18%
Swelling pressure (ASTM D4546)5.000–8.000 kg/cm2 (γ = 1.200 gm/cm3)

After Dafalla et al. [4].

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