Permanent Load

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Permanent Load


in structural mechanics. In calculating a structure, a permanent load is a load that is assumed to remain unchanged in magnitude, line of action, and point of application. Examples are the dead weight of the structure and the earth pressure.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

permanent load

The load which is permanently supported by a structure, such as the dead load or any fixed loads.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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To illustrate the behaviour of the system, which combines pre-tensioning and self-tensioning (pre + self-tensioning), a structural floor with a span (L) of 12 metres, subjected to permanent loads with a value [G.sub.k] = 2.0 kN/[m.sup.2] (which includes the self-weight and permanent load) and variable loads with a value [Q.sub.k] = 5.0 kN/[m.sup.2], is analysed.
Engineer Saeed G Al Romaithi, CEO of Emirates Steel, said: "To meet the requirements of our customers and to further expand our product range, we are developing a wide portfolio of sheet piles, a range that possesses significant and highly cost-effective structural and pile driving properties." Steel sheet piles are technical products that can perform a wide variety of functions: in particular their application is in constructing both temporary and permanent load bearing retaining walls.
The backfill passive pressure (abutment moves far from backfill) resists bridge against applied load while active pressure (abutment moves toward backfill) is a permanent load on the abutments.
where: [q.sub.Q] is the variable load; [q.sub.G] is the permanent load; and [q.sub.QP] is the quasi-permanent load.
First, the permanent load at motor/machine standstill is reduced; second, the consumption depending on the process is dynamically adjusted considering the target completion times/dates (partial load operation); and third, energy is saved during processing by switching off components that are not required at a particular time or point in the process (partial machine operation).
The bending moments of beams [M.sub.G], [M.sub.Q] and [M.sub.S] are caused by permanent load G of steel roof structures and hanging crane crabs, variable loads Q and S of scrap metals and snow depth.
Reducing energy as a means to cut operating costs is better for the environment and can serve as a catalyst for permanent load shedding.
To that end, we adopted a resolution in 2005 to purchase and install permanent load shifting technology from Ice Energy on all applicable city buildings."

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