While smaller tents may be free-standing or attached to the ground, large tents are usually anchored using guy ropes tied to In the tent or tent pegs. First used as portable homes by nomadstents are now more In the tent used for recreational camping and as temporary shelters.
They were also used by Native American and Canadian aboriginal tribes of the Plains Indianscalled a teepee or tipinoted for its cone shape and peak smoke-holesince ancient times, variously estimated from 10, years BCE  to 4, BCE. Tents range in size from " bivouac " structures, just big enough for one person to sleep in, up to huge circus tents capable of seating thousands of people.
The bulk of this article is concerned with tents used for recreational camping which have sleeping space for one to ten people.
Larger tents are discussed in a separate section below. Tents for recreational camping fall into two categories.
Tents intended to be carried by backpackers are the smallest and lightest type. Small tents may be sufficiently light that they can be carried for long distances on a touring bicyclea boator when backpacking.
The second type are larger, heavier tents which are usually carried in a car or other vehicle. Depending on tent size and the experience of the person or people involved, such tents can usually be assembled pitched in between 5 and 25 minutes; disassembly striking takes a similar length of In the tent.
Some very specialised tents have spring-loaded poles and can be 'pitched' in seconds, but take somewhat In the tent to 'strike' take down and pack. Tents were used at least as far back as the early Iron Age. The Roman Army used leather tents, copies of which have been used successfully by modern re-enactors. Most military tents throughout history were of a simple ridge design. The primary use of tents was still to provide portable shelter for a small number of men in the field.
By World War I larger designs were being deployed in rear areas to provide shelter for support activities and supplies. Tents are used as habitation by nomads, recreational campers, soldiers, and disaster victims. Tents are also typically used as overhead shelter for festivals, weddings, In the tent parties, major corporate events, excavation construction covers, and industrial shelters.
Tents have traditionally been used by nomadic people all over the world, such as Native AmericansMongolian, Turkic and Tibetan Nomads, and the Bedouin. Armies all over the world have long used tents as part of their working life.
Tents are preferred by the military for their relatively quick setup and take down times, compared to more traditional shelters. One of the world's largest users of tents is the U. Department of Defense has strict rules on tent quality and tent specifications.
The most In the tent tent uses for the military are temporary barracks sleeping quartersDFAC buildings dining facilitiesfield headquarters, Morale, Welfare, and Recreation MWR facilities, and security checkpoints. One of the most popular military designs currently fielded by the U. It is a collapsible tent with provisions for air conditioning and heating. Camping is a popular form of recreation which often involves the use of tents.
A tent is economical and practical because of its portability and low environmental impact.
These qualities are necessary when used in the wilderness or backcountry. Tents are often used in humanitarian emergencies, such as warearthquakes and fire.
The primary choice of tents in humanitarian emergencies are canvas tents, [ citation needed ] because a cotton canvas tent allows functional In the tent while serving the purpose of temporary shelter. Tents distributed by organisations such as UNHCR are made by various manufacturers, depending on the region where the tents are deployed, as well as depending on the purpose.
In the tent times, however, these temporary shelters become a permanent or semi-permanent home, especially for displaced people living in refugee camps or shanty towns who can't return to their former home and for whom no replacement homes are made available.
Tents are also often used as sites and symbols of protest over time.
In the s and s anti-nuclear peace camps spread In the tent Europe and North America, with the largest women's-only camp to date set up at the Greenham Common United States RAF base in Newbury, England to protest cruise missiles during the Cold War. The In the tent saw environmental protest camps as part of the campaign for the Clayoquot Sound in Canada and the roads protests in the UK. The first No Border Network camp was held in Strasbourg inbecoming the first in a series of international camps that continue to be organised today.
Other international camps of the s include summit counter-mobilisations like Horizone at the Gleneagles G8 gathering in and the start of Camp for Climate Action in Occupy protesters use tents to create camps in public places wherein In the tent can form communities of open discussion and democratic action.
Tent In the tent may be made of many materials including cotton canvasnylonfelt and polyester. Cotton absorbs water, so it can become very heavy when wet, but the associated swelling tends to block any minute holes so that wet cotton is more waterproof than dry cotton.
Cotton tents were often treated with paraffin to enhance water resistance. Nylon and polyester are much lighter than cotton and do not absorb much water; with suitable coatings they can be very waterproof, but they tend to In the tent over time due to a slow chemical breakdown caused by ultraviolet light.
The most common treatments to make fabric waterproof are silicone impregnation or polyurethane coating. Since stitching makes tiny holes in a fabric seams are often sealed or taped to block these holes and maintain waterproofness, though in practice a carefully sewn seam can be waterproof.
Rain resistance is measured and expressed as hydrostatic head in millimetres mm.
Heavy or wind-driven rain has a higher pressure than light rain. Standing on a groundsheet increases the pressure on any water underneath. Many tent manufacturers indicate capacity by such phrases as "3 berth" or "2 person". These numbers indicate how many people the manufacturer thinks can use the tent, though these numbers do not always allow for any personal belongings, such as luggage, inflatable mattresses, camp beds, cots, etc.
Experience indicates that camping may be more comfortable if the actual number of occupants is one or even two less than the manufacturer's suggestion, though different manufacturers have different standards for space requirement and there is no accepted standard. Tent used in areas with In the tent insects In the tent have their vent and door openings covered with fine-mesh netting. Only one waterproof layer of fabric is used, comprising at least roof and walls.
Single skin with flysheet: A waterproof flysheet or rain fly is suspended over and clear of the roof of the In the tent it often overlaps the tent roof slightly, but does not extend down the sides or ends of the tent. The outer tent is a waterproof layer which extends down to the ground all round.
One or more 'inner tents' provide sleeping areas. In the tent outer tent may be just a little larger than the inner tent, or it may be a lot larger and provide a covered living area separate from the sleeping area s. An inner tent is not waterproof, but allows water vapour to pass through so that condensation occurs only on the exterior side.
The double layer may also provide some thermal insulation. Either In the tent outer skin or the In the tent skin may be the structural component, carrying the poles; the structural skin is always pitched first, though some tents are built with the outer and inner linked so that they are both pitched at the same time. Shelters are not normally used for sleeping.
Instead they may act as a store or provide shelter from sun, rain, or dew. With modern materials, tent manufacturers have great freedom to vary In the tent and styles and shapes of tents.
Many tents which use rigid steel poles are free-standing and do not require guy ropes, though they may require pegs around the bottom edge of the fabric.
Flexible poles used for tents in this section are typically between 3 and 6 metres 9. For ease of assembly, the sections for each pole are often connected by an internal elastic cord running the entire length of the pole.
Inflatable pole supports, also known as airbeams, serve as rigid structural supports when inflated but are soft and pliable when deflated.
Tents using such technology are neither commonly used nor widely accepted and are available from a very limited number of suppliers. Much like a bicycle tube and tire, airbeams are often composed of a highly dimensionally stable i.
However, other airbeam constructions consist of coated fabrics that are cut and manufactured to its intended shape by a method such as thermal welding. Airbeams have the unique quality of bending, rather than breaking, when overloaded.
Tents that use inflatable airbeams are structured almost identically to those that use flexible poles. Most of these tent styles are no longer generally available. Most of these are single-skin designs, with optional fly sheets for the ridge tents. In the tent the tents listed here had a canvas fabric and most used a substantial number of guy ropes 8 to The guys In the tent to be positioned and tensioned fairly precisely in order to pitch the tent correctly, so some training and experience were needed.
Pup tents might use wooden or metal poles, but all the other styles mentioned here used wooden poles. Tent design has influenced many large modern buildings. These buildings have in In the tent influenced the next generation of tent design. Tent-style tensile structures are used to cover large public areas such as entertainment venuesarenas and retail areas example: The O 2 or sports stadiums example: Munich Olympic Stadium and airports example: The Sami Parliament of Norway is inspired by the lavvu, a tent traditionally used by the Sami people.
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