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Guide to Design and Construction of Externally Bonded Fabric-Reinforced Cementitious Matrix and Steel-Reinforced Grout Systems for Repair and Strengthening of Concrete Structures 混凝土结构维修和加固用外粘织物增强水泥基和钢骨水泥浆系统的设计和施工指南
发布日期: 2020-04-01
用于修复和加固混凝土结构的织物增强水泥基(FRCM)和钢骨水泥浆(SRG)系统可替代传统技术,如纤维增强聚合物(FRP)、钢板粘结、截面扩大和外部后张拉。FRCM/SRG是一种复合材料,由一层或多层无机基体组成,以开放式网格或织物的形式用干纤维增强。无机基质通常为水泥基、石灰基或地质聚合物。当粘附在混凝土结构构件上时,它们形成FRCM/SRG系统,作为补充的外部粘结钢筋。本指南介绍了FRCM和SRG系统修复和加固的历史和使用、其独特的材料特性,以及对其设计、施工和检查的建议。指导方针基于实验研究、分析工作和现场应用。
Fabric-reinforced cementitious matrix (FRCM) and steel-reinforced grout (SRG) systems for rehabilitation and strengthening concrete structures is an alternative to traditional techniques such as fiber-reinforced polymers (FRPs), steel plate bonding, section enlargement, and external post-tensioning. An FRCM/SRG is a composite material consisting of one or more layers of inorganic matrix reinforced with dry fibers in the form of open mesh or fabric. The inorganic matrixes are typically cement-based, lime-based, or geopolymer. When adhered to concrete structural members, they form an FRCM/SRG system that acts as supplemental, externally bonded reinforcement. This guide addresses the history and use of FRCM and SRG systems rehabilitation and strengthening, their unique material properties, and recommendations on their design, construction, and inspection. Guidelines are based on experimental research, analytical work, and field applications.
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发布单位或类别: 美国-美国混凝土学会
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