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In modern fences, the length of the rails is about 10 feet (3.0 m). Except at the end of the fence, each A-frame is used by two horizontal sections, one to the right, and one to the left. For the enclosure of livestock such as cows and sheep, a four-foot (1.2 m) high fence using four rails is sufficient.
The hammerbeam roof was the culmination of the development of the arch-braced truss, allowing greater spaces to be spanned. The hammerbeam roof of Westminster Hall in London, designed by Hugh Herland and installed between 1395 and 1399, was the largest timber-roofed space in medieval Europe, spanning a distance of just over 20 metres (66 ft). [14]
The principle of wire fences is that they are supported mainly by tension, being stretched between heavy strutted or guy-wired posts at ends, corners, and ideally at intervals in longer stretches (every 50 to 300 metres, 150 to 1000 feet). Between these braced posts are additional smaller wooden or metal posts which keep the wires spaced and ...
Typical agricultural barbed wire fencing Sioux Mems Pro2 Split-rail fencing common in timber-rich areas A chain-link wire fence surrounding a field Portable metal fences around a construction site A snow-covered vaccary fence near Ramsbottom in Greater Manchester, UK Between fence and hedge: Acanthocereus tetragonus, laid out as a "living fence", rural area, Cuba
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
A single, central post in a roof truss in tension between the rafters and a tie beam (bottom chord), or 2) (U.S.) A short of the tie beam only supporting the rafters via struts. 3) (U.K.) A king post specifically carries a ridge beam otherwise is called a king strut. "King post" was formerly used to describe a crown post in the U. K., but no ...