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Column buckling in structural bamboo for bamboo scaffolding

机译:竹脚手架结构竹子柱弯曲

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摘要

Bamboo scaffolding is widely used in construction in the South East Asia, in particular, the Southern China and Hong Kong over many decades. However, bamboo scaffolding is generally erected by scaffolding practitioners without any scientifically based design, and column buckling is considered to be one of the critical modes of failure in bamboo scaffolding, leading to overall structural collapse. This paper presents a limit state design method against column buckling of structural bamboo, and a total of 72 column buckling tests for both Kao Jue and Mao Jue over a practical range of height-to-diameter ratios, diameter variations over member length, and also moisture content are executed to provide test data for calibration of the design method. Engineers are encouraged to take the advantage offered by bamboo to build light and strong structures to achieve enhanced economy and buildability. The effective use of structural bamboo as a substitute to structural timber will mitigate the pressures on the ever-shrinking natural forests in developing countries, and thus, facilitate the conservation of the global environment.
机译:竹脚手架广泛用于东南亚建设,特别是中国南部和香港多十年。然而,竹脚手架通常由脚手架从业者竖立,没有任何科学的设计,并且柱屈曲被认为是竹脚手架中的临界失败模式之一,导致整体结构崩溃。本文介绍了结构竹子柱屈曲的极限状态设计方法,在实际的高度直径比的实际范围内,总共72柱屈曲试验,对成员长度的直径变化,以及成员长度的直径变化,以及执行湿度含量以提供用于校准设计方法的测试数据。鼓励工程师采取竹子提供的优势,以建立光线和强大的结构,以实现增强的经济性和易用性。有效地利用结构竹子作为结构木材的替代物将减轻发展中国家萎缩的自然森林的压力,从而促进了全球环境的保护。

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