dynamic load
91Seismic 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 …
92Cone penetration test — A CPT truck operated by the USGS. The cone penetration test (CPT) is an in situ testing method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the… …
93Parasoft — Infobox Company company name = Parasoft Corporation company logo = company type = Private foundation = California 1987 location = Monrovia, CA key people = Adam Kolawa, CEO Brian Hunt, COO num employees = industry = Computer software products =… …
94Mass wasting — at Palo Duro Canyon, West Texas (2002) …
95Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …
96Spar (aviation) — In an aircraft, the spar is the main structural member of the wing, running widthways across the span of the wing, at right angles (or thereabouts) to the fuselage. The spar carries all of the forces of both lift, and the weight of the wings on… …
97Crosshole sonic logging — (CSL) is a method to verify the structural integrity of drilled shafts and other concrete piles. The CSL method is considered to be more accurate than sonic echo testing in the determination of structural soundness of concrete within the drilled… …
98Mechanically stabilized earth — A diagram of a mechanically stabilized earth wall as it would be modeled in a finite element analysis. Mechanically stabilized earth or MSE is soil constructed with artificial reinforcing. It can be used for retaining walls, bridge abutments,… …
99Cohesion (geology) — 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 one of three things: Electrostatic forces in stiff overconsolidated clays (which may be lost through …
100Tieback (geotechnical) — For other uses, see Tieback (disambiguation). A tieback is a horizontal wire or rod, or a helical anchor used to reinforce retaining walls for stability. With one end of the tieback secured to the wall, the other end is anchored to a stable… …
