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.
Compaction is most likely to occur with heavier soils like clay and loam, but when heavy equipment is used, sandy soils can become compacted. These are soil particles that are packed closely together. The problem may be compounded by events that have happened to the soil over the course of years.