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工程竹在建筑结构中的应用研究进展*
冷予冰,许清风,陈玲珠
摘 要

(上海市建筑科学研究院 上海市工程结构安全重点实验室, 上海 200032)

[摘要]竹材是一种低碳可再生的生物质材料,资源丰富、材性优良。将圆竹经切削、蒸煮、炭化、干燥、胶合、重组等工艺制成工程竹,尺寸规格、性能稳定,突破了圆竹在截面尺寸、形状、连接等方面受到的限制,能满足低多层建筑结构的应用需求。对工程竹的材料物理力学性能、构件受力性能、连接性能与构造、防火和耐久性能等领域的国内外研究现状进行对比分析,总结了工程竹结构的示范应用现状和技术标准编制情况,指出了工程竹结构推广应用和标准编制亟待解决的关键技术问题。

[关键词]工程竹; 物理力学性能; 耐久性能; 研究进展

中图分类号:TU366-3文献标识码:A文章编号:1002-848X(2018)10-0089-09

 

Research progress of application of engineered bamboo in building structures

Leng Yubing, Xu Qingfeng, Chen Lingzhu

(Shanghai Key Laboratory of Engineering Structure Safety, Shanghai Research Institute of Building Sciences, Shanghai 200032, China)

Abstract:Bamboo is a renewable and biodegradable material with low carbon emission and excellent material quality. Bamboo resources are abundant and material properties are well. Engineered bamboo, produced through the technique of cutting round bamboo, boiling, carbonization, drying, gluing and reconstituting, has normalized dimensions and stable properties. Engineered bamboo can break through the limitations of round bamboo in section size, shape and joint connections, and can meet the construction demand of low rise and multi-story buildings. The research status of engineered bamboo for structural use, including material physical and mechanical properties, mechanical performance of members and connections, fire resistance and durability, was discussed. The current status of typical demonstration projects and technical standard compilation was summarized. The key technical problems to be solved during development of relevant standards and popularization of engineered bamboo structures were proposed.

Keywords:engineered bamboo; physical and mechanical performance; durability; research progress

 

* “十三五”国家重点研发计划课题(2017YFC0703503)。

 

通讯作者:许清风,博士,教授级高级工程师,Email: xuqingfeng73@163.com。

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