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Loads imposed on structures are supported by means of forces transmitted through structural elements. These forces can manifest themselves as tension (axial force), compression (axial force), shear , and bending , or flexure (a bending moment is a force multiplied by a distance, or lever arm, hence producing a turning effect or torque ).
Auxiliary (or ancillary) sciences of history are scholarly disciplines which help evaluate and use historical sources and are seen as auxiliary for historical research. [1] [page needed] Many of these areas of study, classification and analysis were originally developed between the 16th and 19th centuries by antiquaries, and would then have been regarded as falling under the broad heading of ...
Conversely, given i.i.d. normal variables with known mean 1 and unknown variance σ 2, the sample mean ¯ is not an ancillary statistic of the variance, as the sampling distribution of the sample mean is N(1, σ 2 /n), which does depend on σ 2 – this measure of location (specifically, its standard error) depends on dispersion.
Typically, rows of bricks—called courses— [21] [22] are laid on top of one another to build up a structure such as a brick wall. Bridge – is a structure built to span a physical obstacle, such as a body of water, valley, or road, without closing the way underneath. It is constructed for the purpose of providing passage over the obstacle ...
Commonly used structures can be classified into five major categories, depending on the type of primary stress that may arise in the members of the structures under major design loads. However any two or more of the basic structural types described in the following may be combined in a single structure, such as a building or a bridge in order ...
Image source: The Motley Fool. Plug Power (NASDAQ: PLUG) Q4 2024 Earnings Call Mar 04, 2025, 8:30 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...
The duality of structures means that structures enter "simultaneously into the constitution of the agent and social practices, and 'exists' in the generating moments of this constitution." [ 5 ] : 5 "Structures exist paradigmatically, as an absent set of differences, temporally "present" only in their instantiation, in the constituting moments ...
The Earthquake Engineering Research Institute (EERI) is a leader in dissemination of earthquake engineering research related information both in the U.S. and globally. A definitive list of earthquake engineering research related shaking tables around the world may be found in Experimental Facilities for Earthquake Engineering Simulation ...