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Dry flattening the paper of a print can sometimes remove signs of cockling, creasing, or wrinkling, In this process, the print is laid flat on a surface, and the weight of another object is used to add even pressure across the print. Sometimes flattening can be unnecessary, such as when storing items in a folder may be suitable instead. [8 ...
Flattening is a measure of the compression of a circle or sphere along a diameter to form an ellipse or an ellipsoid of revolution respectively. Other terms used are ellipticity , or oblateness . The usual notation for flattening is f {\displaystyle f} and its definition in terms of the semi-axes a {\displaystyle a} and b {\displaystyle b} of ...
This is the simplest arrangement of masonry units. If the wall is two wythes thick, one header is used to bind the two wythes together. [3] Header course: This is a course made up of a row of headers. [1] Bond course: This is a course of headers that bond the facing masonry to the backing masonry. [1] Plinth: The bottom course of a wall.
When correctly placed, blocking also provides grounds (also backing or back blocking) for supporting the cut ends of wall claddings and linings or for attaching items such as cabinets, shelving, handrails, vanity tops and backsplashes, towel bars, decorative mouldings, etc. Properly placed grounds make the second fixings easier once the walls ...
A slurry wall is a civil engineering technique used to build reinforced concrete walls in areas of soft earth close to open water, or with a high groundwater table. [1] This technique is typically used to build diaphragm (water-blocking) walls surrounding tunnels and open cuts, and to lay foundations .
A load-bearing wall or bearing wall is a wall that is an active structural element of a building — that is, it bears the weight of the elements above said wall, resting upon it by conducting its weight to a foundation structure. [1] The materials most often used to construct load-bearing walls in large buildings are concrete, block, or brick.
The outer wall is made of brick and faces the outside of the building structure. [6] The inner wall may be constructed of masonry units such as concrete block, structural clay, brick or reinforced concrete. [6] These two walls are fastened together with metal ties or bonding blocks. [7] The ties strengthen the cavity wall.
World War I: British diagram for the construction of revetted trenches - the revetment here is the part forward of the standing soldier. According to the U.S. National Park Service, and referring mostly to their employment in the American Civil War, a revetment is defined as a "retaining wall constructed to support the interior slope of a parapet.