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2025IABSE Congress Reports

Proposal and experimental study of the Hybrid Post-Tensioned Timber Beams System (HPTTB)

Kenma Okumura; Takeshi Asakawa; Kyouzou Fukazawa; Hiro Kawahara; Kinari Hoshikawa

BeamsConnectionsFloors & platesSustainabilityMaterial propertiesDesign methodsExperimental
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01 / From the publisher

Abstract

<p>We are designing the Hybrid Post-Tensioned Timber Beams System (HPTTB). HPTTB is a rahmen frame system with high-stiffness, high-strength timber beams, which not only has excellent carbon storage and sustainability, but also is lighter than RC and S structures. As a first step, this study describes the behavior of moment-resisting joints that use a combination of post-tensioned timber beams and steel-plate-penetration screws, based on experimental results. loading post-tensioned increased initial rotational stiffness by approximately 211% and improved the yield strength by approximately 16%.</p>

02 / Cite this paper

Reference

Kenma Okumura; Takeshi Asakawa; Kyouzou Fukazawa; Hiro Kawahara; Kinari Hoshikawa. (2025). Proposal and experimental study of the Hybrid Post-Tensioned Timber Beams System (HPTTB). IABSE Congress Reports. https://doi.org/10.2749/ghent.2025.0736

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