![]() However, they are used less often due to the natural limits of the system. These systems are particularly useful to control movements caused by wind or tree growth. ![]() Stay rods are used for relieving weights on a higher elevation. Stilts are considered the easiest method of supporting larger tree houses and can also increase structural support and safety. Stilts are typically anchored into the ground with concrete, although new designs such as the "Diamond Pier" speeds installation and are less invasive for the root system. Struts and stilts are used for relieving weights on a lower elevation or straight to the ground tree houses supported by stilts weigh much less on the tree and help to prevent stress, potential strain, and injury caused by puncture holes. Strutted treehouse utilizing tree attachment bolts in a public park in Burlington, Vermont In case there are not enough suitable supports, the methods to support the platform are: The construction of modern tree houses usually starts with the creation of a rigid platform, on which the house will be placed the platform will lean (possibly on the corners) on the branches. There are numerous techniques to fasten the structure to the tree which seek to minimize tree damage. Support methods and technology A stairway and roundwalk Tree houses may be considered as an option for building eco-friendly houses in forested areas, because unlike more typical forms of housing, they do not require the clearing of trees. The use of tree houses in this manner is part of a movement towards the practice of "living architecture". In this case, the main part of the structure is built with more typical construction materials. Modern tree houses are usually built as play areas for children or for leisure purposes, but may also be used as accommodation in hotels or residential applications. Chêne chapelle is an example of this practice. Trees have historically been integrated into the construction of buildings, for example the walls of a chapel, to provide support to a structure built around them. However, the Korowai people still build tree houses, not elevated but fastened to the trunks of tall trees, to protect occupants and store food away from scavenging animals. The BBC revealed in 2018 that the Korowai had constructed some very high tree houses "for the benefit of overseas programme makers" and did not actually live in them. It has been claimed that the majority of the Korowai clans, a Papuan tribe in the southeast of Irian Jaya, live in tree houses on their isolated territory as protection against a tribe of neighbouring head-hunters, the Citak. According to the savannah hypothesis, this evolution happened as an effect of early humans adapting to life on the ground in savannah environements, partly for more energy-efficient locomotion.Įven today, tree houses are built by some indigenous people in order to escape the danger and adversity on the ground in some parts of the tropics. Early terrestrial bipedalism is supported by evidence such as fossilized bones and footprints (like the Laetoli footprints). The skeletal changes due to the evolution of human bipedalism started at least four million years ago, but early bipedal hominins may still have spent some time in trees and retained some tree-climbing abilities. This has led to a speculative hypothesis that archaic humans may have lived in trees until about 40,000 years ago. However, evidence for cave accommodation, terrestrial human-made rock shelters, and bonfires should be possible to find if they had existed, but are scarce from earlier than 40,000 years ago. It is true that evidence of prehistoric human-made tree houses have never been found by paleoanthropologists, but remains of wooden tree houses would not remain. Building tree platforms or nests as a shelter from dangers on the ground is a habit of all the great apes, and may have been inherited by humans.
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