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a structure that crosses an obstacle such as a river, canal, or railway
two items of the same kind, often paired together
the total duration or extent of time something lasts
the distance, extent, or interval between two points
the position of sitting or standing with the legs spread apart
the area between two supports, as in a bridge or arch
What is the "span"?
In architecture, the span refers to the distance between two supports, such as columns or walls, that an arch, beam, or roof structure covers. This measurement is crucial in determining the strength and design of the structure, as it influences the materials used and the shape of the arch or beam. A larger span often requires stronger materials or additional support to ensure stability, while a smaller span can be achieved with lighter construction. The span plays a key role in the overall functionality and aesthetic of a building, affecting how space is utilized and experienced.
a unit of length based on the width of an outstretched human hand
