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In a horizontal or vertical cable rail, the cables, once tensioned must be rigid enough to prevent a 4-inch sphere passing through it. Factors influencing this rigidity are: the tension of the cable, intermediate posts (or cable spacers) spacing, the diameter of the cable, top rail cap material and the cable to cable spacing. [7]
A popular alternative to wood railing is composite lumber and PVC railing. [3] [4] [5] Cable railings typically use stainless steel cables strung horizontally. Stainless-steel cable and fasteners are strong and don’t obscure the view. Contemporary frame systems use plastic-coated steel cables. [6]
A cable barrier separating lanes on a 2+1 road in Sweden. A cable barrier, sometimes referred to as guard cable or wire rope safety barrier (WRSB), is a type of roadside or median safety traffic barrier/guard rail. It consists of steel wire ropes mounted on weak posts.
These include simple rail adhesion, rack railways and cable inclines (including rail mounted water tanks to carry barges). To help with braking on the descent, a non-load-bearing "brake rail" located between the running rails can be used, similar to the rail used in the Fell system, e.g. by the Snaefell Mountain Railway on the Isle of Man.
Such systems are narrower and require less rail to construct than four-rail systems; however, they still require separate station platforms for each vehicle. [2] In a two-rail layout, both cars share the entire track except at the passing loop in the middle. This layout is the narrowest of all and needs only a single platform at each station ...
A surge of thefts of valuable copper wiring has caused disruptions for the Metro rail system, which serves more than 5 million riders a month. Copper wire thefts on the rise, causing delays for ...
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