For Holz100, even with CLT prefab homes, you can achieve a very visual appeal and natural look for your home. Australians appear to be innately drawn towards wood. When Planet Ark presented survey participants with images of two rooms, most voted for the wooden space.
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Shortening hospital stays through reduced recovery times will also reduce costs to the medical system, whilst improved first impressions of organisations will attract business to the Australian market.
This is because studies have shown that social interactions that lead to opportunities for self-expression in old people reduces the risk of dementia, a disease that currently costs Australia over $5 billion every year and affects 44 million people worldwide.
Offices with wooden interiors also conveyed feelings of innovation, energy and comfort, whilst offices without wood conveyed feelings of being impersonal and uncomfortable.
The presence of wood products within a corporate environment drastically influenced first impressions, with study subjects significantly more likely to want to work for organisations that featured wooden furnishings.
Five of the interiors featured wood significantly, whilst the other five featured no wood at all. Participants were asked to ‘identify the organisation you would most like to work for and least like to work for’, followed by selecting three adjectives from a list of 24 to indicate their first impressions of each organisation.
The study found that exposure to wooden panels significantly decreased the blood pressure of subjects, whilst exposure to steel panels significantly increased it.
The pulse and heart rate of each subject was measured every second for 20 seconds whilst facing the paneled wall covered by a curtain, followed by 90 seconds with the curtain removed and the wooden or steel panel visible.
Although wood has ancient roots and has been used in every culture in the world from before the Stone Age it is experiencing a revival in use. In part this is because of the newly discovered health and wellbeing benefits of exposure to wood, which produce similar effects to those created by spending time in nature.
Wooden furniture and funereal items have been found in the pyramids of Egypt and some structures built centuries ago are still standing today. These include the Horyuji temple in Japan built in 700 CE, Greensted Church in England built in 1053 CE and Westminster Hall in London built in 1399 CE.
Figure 1. (a) Murray River Cypress-pine (b) Bunya pine (c) Alpine ash (d) Australian blackwood /// Horyuji Temple, Japan
Although wood has ancient roots it is experiencing a revival in use. Wood is one of the oldest materials used by humans, including its use as a building material. ... including species, geographic area where the tree grew, growth conditions, size of the tree at harvest, sawing and other manufacturing processes.
Make it Wood
Wood comes from trees and is a natural, renewable resource, with no two pieces being the same. Its uniqueness is due to the final appearance of wood being dependent on a number of variables, ... Attitudinal research was managed by Bernard Visperas from Pollinate with graphic design by Slade Smith. Photos were provided by Planet Ark, the Timber Design Awards, David Russell, Tye Farrow, Farrow Partnerships Architects, and the Snap Some Wood photo competition run by Planet Ark.
In order to fulfill the requirements for the structural engineering of five-storey residential buildings, solid wood supports were integrated into the load-bearing outer walls, in contrast to the existing regulations.
Such efforts are also being made with regard to the KfW, in order to ensure that stronger support frameworks will be provided on a holistic basis over the whole life cycle of the building, in particular with regard to embodied (grey) energy and the carbon balance.
Overall, the Wohnungsbaukreditanstalt (building society) deemed the project to pass the "hot box test process“ and established the dynamic U-value. This is an important step towards ensuring that comparable timber structures will be available for everyone.
In addition, the system was optimised on the basis of comprehensive studies in order to ensure that the building would comply with ongoing regulations for classifying buildings according to the KfW-40 standard. In order to meet the higher requirements envisaged for the “WOODCUBE”, an additional 4 cm thick soft wood insulation fibreboard was incorporated into the construction.
They differ from standard elements by containing an inlaid soft wood fibreboard (providing insulation), and milled grooves in the individual board layers (integrated structural insulation). They provide macroscopic air cushions without circulation within the wall and reduce the wall’s thermal conductivity, thus considerably improving the thermal insulation effect.
There is no other gluing, bonding or nails, resulting in a solid timber wall (up to 3 × 8 m in size, with a thickness of up to 40 cm), containing only wood.
The DeepGreen/Holz100 walls used during the construction process were developed specifically for the “WOODCUBE”. Like the standard Thoma Holz100 timber walls, these consist of board layers 20-80 mm thick. In the factory the exterior walls are fitted with a layer of wind paper, positioned between two board layers. The mechanically compressed and bone-dry hardwood dowels are hydraulically injected, and thus dampened, and take in additional moisture from their surroundings, swelling up inseparably within the wood around them.
All of the joins within the DeepGreen/Holz100 elements are glueless and purely mechanical. The connections are all non-toxic and meet the requirements for increased noise protection and smoke control.
The elements developed by DeepGreen consist of board layers ranging from 20 mm to 60 mm thick, laid crosswise (horizontally, vertically, and diagonally) on the inside and outside, with a vertical core, and top and bottom cords of 40 and 80 mm connected using beech wood dowels (approx. 20 mm thick) placed in the middle of the grid. Façade
The exterior wood panelling is 26 mm thick, slotted, ventilated board cladding made of untreated larch wood. The formation of the lathing is innovative, with closed 60 cm × 60 cm coffers that act as “small fire compartments”. The interior walls, including the dividing walls within the apartments, are dry, mortarless constructions that are not load-bearing or stiffening. The timber used is 95 per cent fir wood and 5 per cent spruce, while the load-bearing solid timber core is grading class S 10 (strength class C 24), in accordance with DIN 4074-1. The average bulk density of the Holz100 element, as a solid timber composite cross-section, is 435 kg/m3. The composite dowels consist of predried beech wood.
The results in a 32 cm thick solid timber element dowelled in crosswise and diagonal layers. The solid wood element consists of an 80 mm thick static core layer and room-side board layers ranging in thickness from 29 mm to 26 mm, applied crosswise and diagonally as fire protective sacrificial layers.
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