· individual layer performing essentially just one function”

Topic: DesignArchitecture
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Last updated: September 15, 2019

·        Reducedconstruction time means less exposure to risk·        Lowcapacity of waste on site needing removal·        Reductionof waste through efficient and controlled manufacturing.·        Energyefficient when constructed to the current standards·        Spanlife of design can exceed over 60 years·        Recyclable·        Moderatetime to weather the structure ·        Fastheating due to low thermal mass·        Quickerection time·        Theprocess can be undertaken instantaneously with work such as wall liningstarting earlier off in the construction process.Thebenefits of timber construction are:Timberframe construction is a method of modern construction using “standardised,prefabricated timber wall panels and floors” (Anon, 2018) which frequently appear in developed countries thatpromote wood as a highly valued resource.

 3.4 Advantages of timber frame construction  Pinesquared timber is used for platform frame construction with frame square edgeswhich support the load along with the inner sheathing providing rigidity andthe outer sheathing closing of the frame. This is where the insulation isrooted, preserving the sandwich layers together. Another layer on the outsidewhich is on battens creates a cavity for the circulation of air preserving thesandwich layer from the surrounding. A factor which is inevitable and can be ahindrance is the weather. The inside being similar allows the visible wallsurface to be finished with the desired quality, veiling the void for anyinstallation services.

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“The layer type construction of such a façade element inplatform frame construction is thus complementary i.e. built up in such a waythat the layers supplement each other, with each individual layer performing essentiallyjust one function” (Deplazes,2013). Quality and composition of the materials in a platform frame system arefundamentally defined by the systems supplier. Slab like wood such as pineproduces board and beams in various sizes and dimensions which is veryuseful  for stockpiling and planning aspine is a very accessible type of wood.

3.3 Building materials Pinewhich is one of the main woods used in the construction of the buildingcontains high resin content resulting in an increase in resistance to decaymaking it a suitable material for the structural framework. “The strength of the wood isfundamentally affected by the direction in which it is loaded in relation tothe grain. In the direction of the grain, the bending strength is directlyproportional to the density of the wood “(Wood Products, 2018). Alongside pine,plywood is also used in the framework for the Multi-generational residencybuilding.

Plywood structural strength from its original wood combined with itslaminated design provides the structural framework with exceptionally highstrength. “Thegrains of each veneer are laid at 90-degree angles to each other. This makesthe whole sheet resistant to splitting, especially when nailed at the edges. Italso gives the whole sheet uniform strength for increased stability.Furthermore, plywood has a higher strength to weight ratio as compared to cutlumber. This makes it ideal for flooring, webbed beams, and shear walls”(Understand Building Construction, 2018).3.2 The strength and durability oftimber Currenttimber construction involves characterised semi-finished products by adescending sequence.

The first step involves saw timber, of high and mediumproperty such as squared sections and board that are constructed fortraditional methods of working. Glue laminated timber such as ash which is usedin the construction of the Multi-generational residency because of itsdurability and is one of the most important semi-finished products. The secondprocess produces strips, battens and laminations which are created to formmulti-plyboards, solid timber panels etc. This process is used in theMulti-generational building which includes batten plasterboard.

The waste fromthe procedures is cut down further into finer wood such as sliced and peeledveneers. This utilizes the raw materials to its maximum worth, along with regulatingthe irregular and unwanted properties of the wood. Since wood is natural itresults in variabilities such as knots and interlocked grains which reduces thestrength of the wood. Due to these minor setbacks neighbouring particles are neutralizedand the structure of the wood based properties display little scatter resultingin a 5% fractile to establish the permissible stresses.3.1 Timber3. Timber Frame construction  Thehouse is structured in keeping with the “tsubo “grid: it is eight units inlength and four units in width (Inspiration.

detail.de, 2016). The traditional unit of area equalto approximately 3.3 sq. Metres. In regard to the grid, the architects mountedlow partition walls and deep downstand beams to subdivide the upper level to becolumn-free. Consequently, creating an open space which is compartmentalized toserve as an area of retreat and resting.

The supplementary level which isavailable via a ladder amounts to four tsubos and is pendent between twodownstand beams. 2.2Structure of the building Theupper level of the building along with one third of the lower level arereserved for the young family with children. The remaining levels are reservedfor the older generation, where the living room adjoins and can be seen fromthe shared, open hallway. The two spaces are only segregated with two steps,with the younger family passing through the same hallway to reach their part.This route is defined by floor to ceiling built in furniture and a mainstairwell. The functions situated on ground floor are planned according to thebuildings longitudinal axis, emphasising the sliding windows positionedcentrally on the north and south sides serving as the ground floors main sourceof light.

The narrow vertical windows situated in the east facade near the twovoids allow additional air. Thesliding doors on the north face of the building are there to allow traffic flowand the view, whilst allowing room for a wider entrance so that the residentscan appreciate their surroundings from the interior of the house. and light topass through.

The south terrace which is connected with the living and diningarea can be separated or linked by the sliding wall partitions which can bemade into a large living room when necessary.2.1 Building layout2. Structure TheMulti-Generational Residence in Okazaki is situated in Japan. The “two-storeywood-stud construction is intended to foster the family life of multiplegenerations and at the same time offer the option to withdraw and spend timealone” (Inspiration.

detail.de,2016) . The house plan concentrates on the correlation between “The house andthe surrounding area”, “Two family households” and “Public and Private in theresidential space” (ArchDaily,2014). This allows the building to fulfil more than one function permittingsocial interaction within the residency along with it being a place ofseclusion and tranquillity.

The house plan takes in consideration of thesurrounding area linking the individual residency with the public area and inthis case the park,” adjacent to the north border of the site” (ArchDaily,2014) was wellthought out by the architects Katsutoshi Sasaki + Associates as they wanted toput “emphasis on the relationship between the house and the park and aneveryday playground for children as well as a borrowing landscape for the house”(ArchDaily, 2014).

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