The Sakha (Yakutia) Republic (p=rʲɪsˈpublʲɪkə sɐˈxa jɪˈkutʲɪjə; Саха Өрөспүүбүлүкэтэ, Sakha Öröspǖbülükete) is a federal subject of Russia (a republic). It has a population of 958,528 (2010 Census), consisting mainly of ethnic Yakuts and Russians.
Barricade, from the French barrique (barrel), is any object or structure that creates a barrier or obstacle to control, block passage or force the flow of traffic in the desired direction. Adopted as a military term, a barricade denotes any improvised field fortification, most notably on the city streets during urban warfare.
Arthur Casagrande (August 28, 1902 – September 6, 1981) was an Austrian-born American civil engineer who made important contributions to the fields of engineering geology and geotechnical engineering during its infancy. Renowned for his ingenious designs of soil testing apparatus and fundamental research on and soil liquefaction, he is also credited for developing the soil mechanics teaching programme at Harvard University during the early 1930s that has since been modelled in many universities around th..