The main goal of the work is to experimentally verify the effect externally fastened steel angles on flexural performance of LVL beams. The objective is to increase its modulus of elasticity of a convetional LVL beam, while not disturbing any of the desired properties such as: low density, low thermal conductivity, and ease of connectivity to other LVL beams with common fasteners. The aim is to keep the cost of the modifications at minimum while investigating various alternatives of the proposed modifications.
Several types of beam’s modifications were designed and applied on unmodified LVL beams. Both groups of modified and unmodified beams were tested in flexure and compared. Conclusions proposing application of the developed modifications were drawn from the results.
Design of layered composite beams always fascinated me as the careful balance between tension and compression plays a crucial role. Therefore, when I heard about the Hybrid City Challenge, I was very excited. By accepting this challenge, I was able to put in test not only the specimens but also my earlier speculations regarding this subject matter.
LVL reinforcement. Modulus of elasticity increase. LVL use increase.
Kerto-S LVL 63mmx130mmx6000mm. Structural steel (S235) angles 25x25mm. Ring nails 4/40.
Thanks to Modulus of elasticity increase the reinforced LVL can replace steel and concrete structural elements.
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