Search results
Results From The WOW.Com Content Network
Seismic base isolation, also known as base isolation, [3] or base isolation system, [4] is one of the most popular means of protecting a structure against earthquake forces. [5] It is a collection of structural elements which should substantially decouple a superstructure from its substructure that is in turn resting on the shaking ground, thus ...
A retaining wall is designed to hold in place a mass of earth or the like, such as the edge of a terrace or excavation. The structure is constructed to resist the lateral pressure of soil when there is a desired change in ground elevation that exceeds the angle of repose of the soil. [1] A basement wall is thus one kind of retaining wall; however, the term usually refers to a cantilever ...
The National Science Foundation (NSF) is the main United States government agency that supports fundamental research and education in all fields of earthquake engineering. In particular, it focuses on experimental, analytical and computational research on design and performance enhancement of structural systems.
Schwarzenegger, United States District Court Judge Vaughn Walker overturned Proposition 8 on August 4, 2010, ruling that it violated both the Due Process and Equal Protection clauses of the U.S. Constitution. [20] Walker issued a stay against enforcing Proposition 8 and a stay to determine suspension of his ruling pending appeal.
Interference of the footings. The Interference of the footings is a phenomenon that is observed when two footings are closely spaced. The buildings when are to be constructed nearby to each other, the architectural requirements or the less availability of space for the construction forces the engineers to place the foundation footings close to ...
Michigan v. Environmental Protection Agency, 576 U.S. 743 (2015), is a landmark [1] United States Supreme Court case in which the Court analyzed whether the Environmental Protection Agency must consider costs when deciding to regulate, rather than later in the process of issuing the regulation. [2] Writing for a 5–4 majority, Justice Antonin Scalia held that the EPA must consider costs and ...
Strap footing. A strap footing is a component of a building's foundation. It is a type of combined footing, [1] consisting of two or more column footings connected by a concrete beam. This type of beam is called a strap beam. It is used to help distribute the weight of either heavily or eccentrically loaded column footings to adjacent footings.
Migratory bird rule The migratory bird rule, adopted by the United States Army Corps of Engineers and the Environmental Protection Agency (EPA) asserted that the Clean Water Act (CWA) covers regulation of isolated waters "which are or would be used as habitat by... migratory birds that cross state lines." The rule was overturned by the Supreme Court in 2001.