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首页> 外文期刊>Journal of Composites for Construction >Nonlaminated FRP Strap Elements for Reinforced Concrete, Timber, and Masonry Applications
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Nonlaminated FRP Strap Elements for Reinforced Concrete, Timber, and Masonry Applications

机译：用于钢筋混凝土，木材和砖石应用的非层压FRP捆扎带元件

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摘要

Advances in material technology allow for the exploration of new structural forms and systems. In recent years, fiber-reinforced polymers (FRPs) have emerged as candidate materials for civil engineering applications, and the use of FRPs in construction has been an area of growing interest. Unidirectional high-strength FRPs are well-suited for use as tensioning elements, but anchorage details present a challenge. An alternative is to self-anchor the FRP tensioning element by winding thin layers of material around supports and then laminating all the layers together (a laminated strap) or by securing only the outermost layer to form a closed outer loop while the inner layers remain nonlaminated (a nonlaminated strap). Nonlaminated FRP straps have been found to have higher efficiencies than equivalent laminated straps, which is advantageous in high-tension applications. The suitability of nonlaminated FRP straps for use as unbonded tension elements provides scope for use in new construction and for the strengthening of existing structures. A review of nonlaminated carbon FRP strap system properties and applications in the context of reinforced concrete, timber, and masonry structures is presented.
机译：材料技术的进步允许探索新的结构形式和系统。近年来，纤维增强聚合物（FRP）已经成为土木工程应用的候选材料，并且在建筑中使用FRP引起了人们越来越多的兴趣。单向高强度玻璃钢非常适合用作张紧元件，但锚固细节提出了挑战。另一种方法是通过将薄薄的材料层缠绕在支撑件上，然后将所有层层压在一起（层压带），或者仅固定最外层以形成闭合的外环而使内层保持未层压，从而自固定FRP张紧元件（非层压表带）。已发现非层压FRP皮带比等效的层压皮带具有更高的效率，这在高压应用中是有利的。未层压的FRP皮带适合用作未粘合的张紧元件，为新结构的使用和现有结构的加固提供了空间。本文介绍了非层压碳纤维增强塑料带系统的性能及其在钢筋混凝土，木材和砖石结构中的应用。

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