对于预制混凝土隧道段，纤维钢筋已成为传统钢筋和焊接钢丝网钢筋的替代品。由于显著改善了后开裂行为和裂缝控制特性，纤维增强混凝土（FRC）段比传统钢筋混凝土段具有优势，例如节约成本和缩短生产时间，同时开发出更坚固的产品，具有更好的处理和长期耐久性。这项新兴技术需要对纤维增强预制混凝土隧道管片的设计提供具体指导。本文件提供了世界各地隧道工程FRC预制节段历史的一般信息； 基于控制荷载工况的结构分析和设计程序；以及完成设计所需的材料参数、测试和分析说明。拟议指南基于从实验研究、分析工作中获得的知识以及在众多FRC预制隧道项目中获得的经验。

Fiber reinforcement has emerged as an alternative to traditional reinforcing bars and welded wire mesh reinforcement for precast concrete tunnel segments. Due to significantly improved post-cracking behavior and crack control characteristics, fiber-reinforced concrete (FRC) segments offer advantages over traditionally reinforced concrete segments such as saving cost and reducing production time while developing a more robust product with improved handling and long-term durability. Specific guidance on the design of fiber-reinforced precast concrete tunnel segments is needed for this emerging technology. This document offers general information on the history of FRC precast segments from tunneling projects throughout the world; a procedure for structural analysis and design based on governing load cases; and a description of the material parameters, tests, and analyses required to complete the design. The proposed guidelines are based on the knowledge gained from experimental research, analytical work, and the experience gained on numerous FRC precast tunnel projects.