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In engineering, span is the distance between two adjacent structural supports (e.g., two piers) of a structural member (e.g., a beam). Span is measured in the horizontal direction either between the faces of the supports (clear span) or between the centers of the bearing surfaces (effective span): [1] A span can be closed by a solid beam or by ...
The strong bond of the flange (horizontal section) and the two webs (vertical members, also known as stems) creates a structure that is capable of withstanding high loads while having a long span. The typical sizes of double tees are up to 15 feet (4.6 m) for flange width, up to 5 feet (1.5 m) for web depth, and up to 80 feet (24 m) or more for ...
In solid mechanics and structural engineering, section modulus is a geometric property of a given cross-section used in the design of beams or flexural members.Other geometric properties used in design include: area for tension and shear, radius of gyration for compression, and second moment of area and polar second moment of area for stiffness.
This is because it is more difficult to build a 100-metre (330 ft) horizontal span than a 100 m span that is tilted perhaps 45 degrees, as if it was the support for an escalator. The stress in the material is higher for the horizontal span, creating higher engineering difficulty, so only the length of the span perpendicular to the force of ...
The Bessel points are located 0.5594 of the length of the rod apart, slightly closer than the Airy points. [2] [3] [7] Because line standards invariably extend beyond the lines marked on them, the optimal support points depend on both the overall length and the length to be measured.
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Wall framing in house construction includes the vertical and horizontal members of exterior walls and interior partitions, both of bearing walls and non-bearing walls. . These stick members, referred to as studs, wall plates and lintels (sometimes called headers), serve as a nailing base for all covering material and support the upper floor platforms, which provide the lateral strength along a