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Open Access

REVIEW

Hybrid Fiber Engineered Cementitious Composites (HFECC): A Review

Qi Feng1,2, Dan Wang3,*, Weijie Hu1, Wenhao Zhao2
1 Guangxi Transportation Science and Technology Group Co., Ltd., Nanning, 530007, China
2 College of Engineering, Ocean University of China, Qingdao, 266400, China
3 School of Materials Science and Engineering, Hainan University, Haikou, 570228, China
* Corresponding Author: Dan Wang. Email: email
(This article belongs to the Special Issue: Innovative and Sustainable Materials for Reinforced Concrete Structures)

Structural Durability & Health Monitoring https://doi.org/10.32604/sdhm.2025.072968

Received 08 September 2025; Accepted 29 October 2025; Published online 05 December 2025

Abstract

Engineered Cementitious Composites (ECC) represent an advanced class of fiber-reinforced cement-based materials developed over the past three decades, characterized by remarkable tensile strain-hardening and multiple-cracking behavior. By incorporating hybrid fibers, Hybrid Fiber engineered cementitious composites (HFECC) can be tailored to meet specific engineering demands in terms of strength, deformation, dynamic mechanical performance, and cost-effectiveness. This paper provides a comprehensive review of the critical fiber volume theory, experimental investigations into quasi-static and dynamic mechanical properties, and the structural performance of HFECC. Furthermore, current research gaps and future directions for the development and application of HFECC are discussed, aiming to facilitate its broader engineering adoption. In addition, this review emphasizes the micromechanical design principles governing fiber–matrix interactions, highlighting how hybridization strategies optimize the synergy between different fiber types to balance ductility and strength. The practical implications of HFECC in seismic-resistant, impact-resistant, and repair applications are also analyzed. Through an integrated discussion of theoretical and experimental findings, this study seeks to provide a systematic understanding of HFECC behavior and promote its advancement toward sustainable and high-performance infrastructure applications.

Keywords

Hybrid fiber; strain hardening cementitious composites; critical fiber volume; quasi-static properties; dynamic mechanical properties; durability

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