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Stirrup sample. Stirrups form the outer part of a rebar cage. The function of stirrups (often referred to as 'reinforcing steel links' and 'shear links') is threefold: to give the main reinforcement bars structure, to maintain a correct level of concrete cover, and to maintain an equal transferance of force throughout the supporting elements. [30]
The ACI codebook puts an upward limit on the spacing between ties. ACI Code 7.10.5: Vertical spacing of ties shall not exceed 16 longitudinal bar diameters, 48 tie bar or wire diameters, or least dimension of the compression member. If the ties are spaced too far apart, the column will experience shearfailure and barrel in between the ties. [4]
A stirrup is a light frame or ring that holds the foot of a rider, [1] attached to the saddle by a strap, often called a stirrup leather. Stirrups are usually paired and are used to aid in mounting and as a support while using a riding animal (usually a horse or other equine , such as a mule ). [ 2 ]
Plastic spacers and bar supports do not bond well with concrete and are not compatible materials. [1] Plastic has mechanical properties (holds the bar in position) but no structural properties, and is a foreign element within the construction. When the concrete is poured into the form, a small gap is created between the concrete and the plastic.
Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles , master links and slings , and lifting bags in underwater lifting.
Hotel or dormitory buildings require many partitions, allowing insertions of shear walls. In these structures, traditional cellular construction (Figure 2) is preferred and a regular wall arrangement with transverse cross walls between rooms and longitudinal spine walls flanking a central corridor is used.
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The neck of western spurs is usually longer and the rowel wide in diameter, to accommodate the leg position of the western-style rider, where the stirrup is adjusted long, and the heavy leather used for the saddle's fenders and stirrups places the rider's leg a bit farther from the horse. English riding spur