Glued joints in Radiata Pine CLT
Friday 25 Nov 2022
Younes is one of two PhD students at the University of Auckland Faculty of Engineering to have received a grant from the WIDE Trust to pursue his research studies this year. The WIDE Trust is a charitable trust that supports development and education in New Zealand’s forestry and wood industry sectors through the provision of grants and scholarships.
In 2015, Younes graduated with a Bachelor’s Degree in Wood Industries Engineering from the Technical and Vocational University of Iran. His excellence in academics led him to achieve the first rank in the national master’s entrance exam for Wood Industries Engineering, and he completed his Master’s Diploma at the University of Tehran in 2018.
Younes was awarded the prestigious University of Auckland Doctoral Scholarship in 2019. This scholarship is awarded to high-achieving doctoral candidates applying for admission to an approved doctoral programme at the University of Auckland. Through this scholarship, Younes pursued his doctoral studies on "Glued Joints in Radiata Pine Cross Laminated Timber."
Younes says, “Glued-in rods are efficient and high-capacity connections to achieve high-strength joints in new timber structures and reinforce existing timber buildings. With the emergence of cross-laminated timber (CLT) and the construction of high-rise buildings, there is the potential for glued-in rods to be adopted in CLT construction.”
In Younes’ research an experimental assessment of glued-in rods in cross-laminated timber (CLT) is under investigation. For the purposes of this study, 60 pull-out full-scale tests are in progress, where the specimens varied in terms of anchorage length and the location of the bars relative to the arrangement of the layers. Monotonic tension and cyclic tension-zero tests will be performed on all of the rods to grain configurations.
Moreover, numerical simulations and parametric studies of glued-in rods in CLT are being studied. The simulations are based on 3D finite element analysis, using a cohesive surface model for the bond lines between the laminations and the bond line along the rod. The parametric studies are investigating the influence of the glued-in length, the rod diameter, and the rod-to-grain angle on the load-bearing capacity and stiffness of the connection.
Businesses, students and others involved in studies and work to enhance the forestry and wood industry sectors in New Zealand are invited to apply to the WIDE Trust for a grant to support their efforts. Apply Online - www.widetrust.org.nz
Source: WIDE Trust
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