{"id":9696,"date":"2023-12-21T16:18:08","date_gmt":"2023-12-21T16:18:08","guid":{"rendered":"https:\/\/mjarc.com\/?p=9696"},"modified":"2023-12-21T17:05:14","modified_gmt":"2023-12-21T17:05:14","slug":"clt-panels-sustainability-in-wood-construction","status":"publish","type":"post","link":"https:\/\/mjarc.com\/en\/clt-panels-sustainability-in-wood-construction\/","title":{"rendered":"CLT Panels – Sustainability in wood construction"},"content":{"rendered":"

Man has used wood as a building material since prehistoric times.\u00a0However, with the emergence of reinforced concrete, its relevance has progressively declined.\u00a0This change has caused a sharp reduction in the use of wood in construction.\u00a0In this sense, society began to associate wooden structures with fragility, temporary nature and limited durability.<\/p>\n

Current environmental policies are primarily focused on urgently reducing carbon dioxide emissions.\u00a0In this context, the use of wood as a construction material acquires a new perspective of viability.\u00a0Wood<\/strong>, being a\u00a0renewable natural resource, easy to recycle and with the capacity to retain carbon dioxide<\/strong>, emitting it only during combustion or decomposition, stands out as an environmentally sustainable option and in line with current environmental preservation requirements.<\/p>\n

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CLT panels in construction<\/h3>\n

Currently, new construction methods have emerged that use wood as a structural material, introducing an innovative product intended to revolutionize the Construction of High-Rise Buildings.\u00a0This new wood derivative, called\u00a0CLT\u00a0<\/b>(Cross Laminated Timber<\/b>), has a remarkable load capacity combined with a reduced weight, allowing the creation of highly slender elements, even in large spans dimensions. Compared to other structural systems commonly used in construction, this method presents new possibilities for distributing loads.<\/p>\n

CLT, as a relatively recent wood derivative (developed around 1990), highlights the advantages and minimizes the disadvantages of using wood, becoming an increasingly popular construction solution in the construction industry.\u00a0Still lacking specific and uniform standards, as it is not included in\u00a0Eurocode 5<\/a>\u00a0(Eurocode used for the design of wooden structures), this material is being subject to continuous studies and research, aiming at its comprehensive regulation, something expected in a near future.\u00a0Part of its positive reputation is associated with a growing global concern for environmental sustainability.\u00a0Essentially, as it is a renewable material, CLT presents itself as a deeply sustainable solution.<\/p>\n

CLT is a material derived from improved wood, combining favorable characteristics and mitigating disadvantages, thus becoming a material of great relevance in the construction industry. However, it is important to highlight that this material has inherent advantages and disadvantages.<\/p>\n

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Wood House – project with prefabricated wooden structure.<\/span><\/a><\/p>\n

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Advantages of CLT<\/b><\/h3>\n

With regard to the positive aspects of CLT panels in construction as a structural element, their resistance, durability, ability to provide thermal and acoustic comfort, hygroscopic regulation capacity, as well as their performance in fire situations and in the face of seismic action.\u00a0The\u00a0resistance<\/strong> that a CLT panel offers in conventional \u201creduced\u201d buildings is equivalent, at least, to the structural compression resistance of reinforced concrete. This last one, being flexible, needs to undergo considerable deformation before collapsing.<\/p>\n

In addition to presenting at least the same support capacity as reinforced concrete for this type of construction, CLT stands out for the reduction in density per m\u00b3, compared to concrete and steel, representing approximately 20% of the density of reinforced concrete. The\u00a0durability<\/strong>\u00a0of CLT panels varies according to the tree species and the biological degradation process, as they come from a natural and biological material, wood.<\/p>\n

A\u00a0Passive House<\/em>\u00a0is a type of building that ensures thermal comfort and air quality without depending on mechanical ventilation systems, based on the concept of\u00a0low energy consumption<\/a>, following five principles:<\/p>\n