3
CROSS LAMINATED TIMBER
Introduction
Traditional timber structures are utilized as lightweight framework systems with linear
solid-wood elements. Concrete and steel have become more readily available in 20th century.
Therefore, timber was replaced by steel and concrete as it has been cost effective. Later on, the
focus on timber get increased in mid 1960s by the introduction of novel wood based product
known as engineered wood product (EWP). Products including glued laminated timber (GLT)
helps in enabling construction of more complex structures. This report focuses on the cross
laminated timber (CLT) utilization in construction industry.
Concept of CLT
CLT constitute of a plate-like engineered timber product that can be optimized for
bearing loads in and out of plane. CLT include an uneven number of layers, each of side-by-side
placed that are arranged crosswise to each other at an angle 90 degree. Timber coming into the
plant is normally furnace dried to a standard dampness substance of 12% +/ - 3% (Brandner et al.
2016). The wood as a rule touches base at the factory having just been dried to this particular.
The equivalent is the situation for evaluating. In Austria, it isn't exceptional for the feedstock to
have just been arranged by size or potentially grade upon entry. This is because of the utilization
of visual evaluating for auxiliary and quality appropriateness of the wood at the sawmill
(Muszyński et al. 2019)). In spite of the fact that, evaluating for appearance reasons for existing
is regularly performed dependent on an organization's standard at the CLT fabricating plant.
In Europe, the visual evaluating necessities are that parallel layers must be at any rate
grade 2, yet opposite layers can be grade 3 (Flatscher and Schickhofer 2015). Stress evaluating is
the auxiliary choice of reviewing this timber and is done as per measures created by the

Cross Laminated Timber (CLT)

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