STRUCTURAL CONCEPT AND CLASSIFICATION OF CABLE SUPPORTED STRUCTURES
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摘要: 弦支结构明确定义了结构的各组成部分和特点:弦指结构下部犹如弓弦的拉索;支指结构中部起到支撑作用的压杆;结构是指弦支结构上部的具体结构形式。在介绍结构概念的基础上,将弦支结构分为平面型弦支结构、可分解的空间型弦支结构和不可分解的空间型弦支结构;提出弦支网架、弦支混凝土楼盖、弦支筒壳和弦支拱壳结构;结合相关研究成果,给出3种命名分类方案;建议将此类结构体系统一称为弦支结构体系,并按照结构概念明确和体系系统完整的原则对此类结构形式进行分类。Abstract: Cable supported structureis a clear definition for both structural members and features. Cable means the arched tension cables and supporteddenotes the effect of compression struts, while structure represents the upper layer in the whole structure. Based on introduction of structural concept, cable supported structures are defined as cable supported plane structure, separate cable supported spatial structure and inseparate cable supported spatial structure. Four new types of cable supported structures which are cable supported space trusses structure, cable supported concrete roof structure, cable supported barrel vault structure and cable supported arch-dome structure are presented in this paper. According to research work in this field of cable supported structure, three kinds of classifications which can be compatible to all research outcomes are proposed. The definition of cable supported structure is also recommended in this paper. Using this classification, cable supported structure can be defined as a clear integrity and can be applied in study, development and practice conveniently.
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Key words:
- cable supported structure /
- structural concept /
- system classification
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