Development of a joint system using a compressed wooden fastener II: evaluation of rotation performance for a column-beam joint |
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Authors: | Kiho Jung Akihisa Kitamori Kohei Komatsu |
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Institution: | (1) Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, 20 Symonds Street, Auckland, New Zealand |
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Abstract: | In the present study, a plate and a doweled fastener made of compressed wood (CW) were newly introduced into a moment resisting
column-beam joint system for a small portal frame structure. A mechanical model that contains not only an axial spring, but
also a rotational spring, considered resistant factors to verify how each element resists rotation. Theoretical performance
was compared with experimental data. Consequently, the mechanical model was shown to be suitable and the combination of resisting
factors was found to be very effective; i.e., the rotational spring provides more influence on the stiffness and moment compared
with the axial spring. Large moment and ductility can be achieved by virtue of the high embedding performance of the CW plate
in the rotational spring, accompanied with the high shearing performance of the CW dowel in the axial spring. |
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Keywords: | |
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