Properties Of Glue Laminated Timber

Glulam glued laminated timber is an engineered structural wood product that consists of multiple individual layers of dimension lumber that are glued together under controlled conditions.

Properties of glue laminated timber. 40 the natural durability and corrosion resistance resistance to aggressive chemical attacks of glulam corresponds to the natural durability and corrosion resistance of the respective wood species regardless of the adhesive used. In north america the material providing the laminations is termed laminating stock or lamstock. Such products are used as they are in loadbearing construction and as blanks for various wood products such as window frames laminated logs etc. Thermal conductivity λ perpendicular to the glue lines.

Glued timber is a wood product which does not fulfil the laminated timber standards but is made by gluing two or more items of sawn goods together. All canadian glulam is manufactured using waterproof adhesives for end jointing and for face bonding and is therefore suitable for both exterior and. The apa mark of quality. 0 15 w mk water vapor diffusion resistance factor µ.

Le stockage la distribution ou l utilisation sur le réseau est interdit. Strength graded and ready finished glued timber. Glued laminated timber also abbreviated glulam is a type of structural engineered wood product constituted by layers of dimensional lumber bonded together with durable moisture resistant structural adhesives. For the calculation of the relative slenderness for bending λ rel m or the critical bending stress σ m crit in accordance with din 1052 2008 12 section 10 3 2 the fifth percentile value product of the characteristic stiffness values may be multiplied by a.

The aim of this work is to investigate and compare the physical and mechanical properties of clt manufactured using prf and pur adhesives. Single user license only. Permis d utilisateur simple seulement. In addition a wide range of grades of both visually graded and mechanically graded lumber can be used in the manu facture of glulam.

In this study three layered cross laminated timber clt manufactured from acacia mangium wood panels were developed by using two different types of adhesives namely phenol resorcinol formaldehyde prf and one component polyurethane pur. Other common engineered wood products include plywood oriented strandboard osb and laminated veneer lumber lvl. The glued laminated timber manufactur ing process such as being able to vary the grade of lumber throughout the depth of the member. A glue laminated timber is an engineered wood product meaning it is made from wood but is machined and assembled to precise specifications to create a predictable dimensionally stable building material.

Storage distribution or use on network prohibited. The characteristic strength stiffness and density properties for glued laminated timber made of beech shall be taken from table 4. Licensed for autorisé à john stoll sold by vendu par csa on le april 19 2016.