Full-scale construction and testing of stress-laminated columns made with low-grade wood
Full-scale construction and testing of stress-laminated columns made with low-grade wood
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DOI：
10.1016/j.conbuildmat.2019.116952
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发表时间：
2020-01
影响因子：
7.4
通讯作者：
Patrick H. Fleming;M. Ramage
中科院分区：
文献类型：
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作者：
Patrick H. Fleming;M. Ramage
应力分层是一种简单的施工技术，广泛应用于木结构桥面板。本研究提出一种新的应用应力层压制作木柱。使用预应力棒和摩擦力代替胶水，大量的连接和25个全尺寸的柱用低级木材建造，并进行结构测试。结果表明，应力层压柱显示可比的屈曲性能，实心木材和胶合板列。六个月的测试期与新的连接细节进一步证实了如何可靠地控制预应力损失。这项工作突出了应力层压在现代木材工程和建筑设计中更广泛的潜力和性能。
Stress lamination is a simple construction technique widely used in timber bridge decks. This study presents a new application of stress lamination for making timber columns. Using prestressing rods and friction forces instead of glue, numerous connections and twenty-five full-scale columns were built with low-grade wood and structurally tested. The results show how stress-laminated columns display comparable buckling performance to solid timber and glulam columns. A six-month testing period with novel connection details further confirms how prestress losses can be reliably controlled. This work highlights the broader potential and performance of stress lamination in modern timber engineering and building design.