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A lean-to shelter is a simplified free-standing version of a wilderness hut with three solid walls and a single- or, in the case of an Adirondack lean-to, offset-pitched gable roof. The open side is commonly oriented away from the prevailing weather. Often it is made of rough logs or unfinished wood and used for camping.
A portaledge is a deployable hanging tent system designed for rock climbers who need to spend multiple days and nights on a climbing route suspended from a sheer rock face while big wall climbing. A fully assembled portaledge is a fabric-covered platform surrounded by a metal frame that hangs from a single anchor point via carabiners and has ...
The zip-line trolley ("zipliner") is the frame or assembly together with the pulley inside that run along the cable. [28] Zip-lines also have some kind of device to allow the cargo or rider to attach to the pulley system.
indicates a structure that is no longer standing. For all structures the pinnacle height is given, so the height of skyscrapers may be different from the values at List of tallest buildings in the world. Structures under construction are included in the main list if their current height is over 350 metres (1,148 ft). #
A tent is a shelter consisting of sheets of fabric or other material draped over or attached to a frame of poles or a supporting rope. While smaller tents may be free-standing or attached to the ground, large tents are usually anchored using guy ropes tied to stakes or tent pegs.
Suspended tent platform Portable tent platform. A tent platform is a floor for the purpose of pitching one or more tents upon. Typically, it is a wooden deck near a hiking trail that provides the hikers a clean and even place to sleep. It may also prevent the campers from trampling down the surrounding vegetation. Many campsites have tent ...
Often, each soldier carries one shelter-half and half the poles, etc., and they pair off to erect a two-man tent. The size and shape of each half shelter piece may vary from army to army, but are typically rectangular, triangular or lozenge shaped. When time and space allow, some forms of half-shelters can be combined into a larger, more ...
Tensile structures have long been used in tents, where the guy ropes and tent poles provide pre-tension to the fabric and allow it to withstand loads. Russian engineer Vladimir Shukhov was one of the first to develop practical calculations of stresses and deformations of tensile structures, shells and membranes.