Umbilical and Inguinal Hernia Symptoms and Treatment. A hernia occurs when an organ inside the body (usually the intestine or bladder) pushes through an opening in the abdominal wall. Learn how to spot the signs of two common hernias and when to seek treatment. Facebook.
Cohesion is the component of shear strength of a rock or soil that is independent of interparticle friction. In soils, true cohesion is caused by following: 1  Electrostatic forces in stiff overconsolidated clays (which may be lost through weathering)  Cementing by Fe2O3, CaCO3, NaCl, etc.
Soil Types. Soil is a mixture of sand, gravel, silts, clay, water, and air. The amounts of these ingredients which determine its cohesiveness, or how well a soil will hold together. Cohesive soil does not crumble. It can be molded easily when wet, and is hard to break up when dry. Clay is a very fine grained soil, and is very cohesive.