EFFECTS OF GEOMECHANICAL PROPERTIES ON MATERIALS ADHESIVITY

Material properties is one of the most significant variables in terms efficiency. The sediment layer a coal pit mine has possibility sticking to equipment bucket and reducing its productivity, especially disposal area. Consequently, stickiness close definition adhesivity level; thus it may be associated with geomechanical properties. Various soil classification area was investigated identify relationship between such as water content, density, cohesion, internal friction angles. Multivariate regression analysis statistical test (F-test t-test) were used investigate related on each Primary data taken from standard modified laboratory testing. results showed that materials high-plasticity different grain-sizes. dominant grain size 1, 2, 3 clay, sand, respectively. Based analysis, increased along content until optimum value. Using significance level 95% (P-value 0.04), cohesion angle affected 1 by 99% (adjusted R2 0.99). Adhesivity 2 only density 63% 0.63). Meanwhile, 3, 33% 0.50) define parameters affecting 0.33).