soil liquefaction
81Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
82Fragipan — A fragipan is a diagnostic horizon in USDA soil taxonomy. They are altered subsurface soil layers that restrict water flow and root penetration. Fragipans are similar to a duripan in how they affect land use limitations. In soil descriptions,… …
83Decomposition — For other uses, see Decomposition (disambiguation). A mummified rat. Stages of death Pallor mortis Algor mortis …
84Rankine Lecture — Die Rankine Lecture ist eine Ehrung für Leistungen in der Geotechnik der British Geotechnical Association und gilt in diesem Bereich als eine der höchsten Ehrungen. Sie werden seit 1961 gehalten und in der Zeitschrift Géotechnique veröffentlicht …
85Vibro stone column — Vibro replacement stone columns are a ground improvement technique to improve the load bearing capacity of the soil. On many occasions, it is noted that the local soil is by nature, unable to bear the proposed structure. Hence the use of ground… …
86Seismic microzonation — map of Greater Bangkok prepared based on predominant period of site obtained from microtremor observations [1] Main article: Earthquake engineering Seismic microzonation is defined as the process …
87Islamic Golden Age — The Islamic Golden Age, also sometimes known as the Islamic Renaissance, [Joel L. Kraemer (1992), Humanism in the Renaissance of Islam , p. 1 148, Brill Publishers, ISBN 9004072594.] was traditionally dated from the 8th century to the 13th… …
88Superheated water — is liquid water under pressure at temperatures between the usual boiling point (100°C) and the critical temperature (374°C). It is also known as subcritical water and pressurised hot water. Superheated water referred to in this article is stable… …
89Dynamic compaction — is a method that is used to increase the density of the soil when certain subsurface constraints make other methods inappropriate. It is a method that is used to increase the density of soil deposits. The process involves of dropping a heavy… …
90permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
