soil liquefaction
21Hayward Fault Zone — The Hayward Fault Zone is a geologic fault zone capable of generating significantly destructive earthquakes. About 60 kilometers long, it lies mainly along the western base of the hills on the east side of San Francisco Bay. It runs through… …
22Clay — For other uses, see Clay (disambiguation). The Gay Head cliffs in Martha s Vineyard consist almost entirely of clay. Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic… …
23Seismic hazard — refers to the study of expected earthquake ground motions at the earth s surface, and its likely effects on existing natural conditions and man made structures for public safety considerations; the results of such studies are published as seismic …
24Newmark's sliding block — The Newmark s sliding block analysis method is an engineering method used to calculate the permanent displacements of soil slopes (also embankments and dams) during seismic loading. It is also simply called Newmark s analysis or Sliding block… …
25Mitigation of seismic motion — Main article: Earthquake engineering Mitigation of seismic motion is an important factor in earthquake engineering and construction in earthquake prone areas. The destabilizing action of an earthquake on constructions may be direct (seismic… …
26Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …
27Licuefacción del suelo — Se ha sugerido que este artículo o sección sea fusionado con Licuefacción (inestabilidad) (discusión). Una vez que hayas realizado la fusión de artículos, pide la fusión de historiales aquí …
28Porosity — or void fraction is a measure of the void (i.e., empty ) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including… …
29Natchez silt loam — In 1988, the Professional Soil Classifiers Association of Mississippi selected Natchez silt loam soil to represent the soil resources of the State. These soils exist on 171,559 acres (0.56% of state) of landscape in Mississippi. Contents 1… …
30Mass wasting — at Palo Duro Canyon, West Texas (2002) …
