earthquake load
51Foundation (engineering) — A foundation is a structure that transfers loads to the earth. Foundations are generally broken into two categories: shallow foundations and deep foundations.hallow foundationsShallow foundations are usually embedded a meter or so into soil. One… …
52Redwood National and State Parks — Infobox protected area | name = Redwood National and State Parks iucn category = II caption = locator x = 04 locator y = 60 location = Humboldt County Del Norte County, California, USA nearest city = Crescent City lat degrees = 41 lat minutes =… …
53Valdivia, Chile — Infobox City official name = Valdivia other name = native name = nickname = The City of Rivers motto = Muy Noble y Muy Leal (Very Noble and Very Loyal) imagesize =270px image caption =Typical postcard view of Valdivia from Pedro de Valdivia… …
54Operation Tomodachi — トモダチ作戦 Part of Response to 2011 Tōhoku earthquake and tsunami …
55Dam — This article is about structures for water impoundment. For other uses, see Dam (disambiguation). Hoover Dam, a concrete arch gravity dam in Black Canyon of the Colorado River. Lake Mead in the background is impounded by the dam …
56Bay Area Rapid Transit — Infobox Public transit name = Bay Area Rapid Transit imagesize = 100px locale = San Francisco Bay Area transit type = Rapid transit began operation = September 11, 1972 system length = convert|104|mi|km|abbr=on lines = 5 stations = 43 (1 under… …
57rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
58Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
59Seismic analysis — is a subset of structural analysis and is the calculation of the response of a building (or nonbuilding) structure to earthquakes. It is part of the process of structural design, earthquake engineering or structural assessment and retrofit (see… …
60Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
