Journal
CEMENT & CONCRETE COMPOSITES
Volume 107, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cemconcomp.2019.103498
Keywords
Geopolymer; Fiber; Engineering properties; Strain hardening; Thermal properties; Durability
Funding
- Engineering and Physical Sciences Research Council, United Kingdom [EP/R041504/1, EP/N509577/1]
- Royal Society [1E150587]
- European Union [713683]
- EPSRC [EP/R041504/1] Funding Source: UKRI
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There is a burgeoning interest in the development of geopolymers as sustainable construction materials and incombustible inorganic polymers. However, geopolymers show quasi-brittle behavior. To overcome this weakness, hundreds of research have been focused on development, characterization, and implementation of fiber-reinforced geopolymers for a wide range of applications. This paper discusses the rapidly developing state-of-the-art of fiber-reinforced geopolymer composites, focusing on material and geometrical properties of construction fibers, and underlying mechanisms on fiber-binder interaction at fresh and hardened states, mechanical properties, toughening mechanisms, thermal characteristics, and environmental durability. It is intended to build a strong conceptual and technical background for what is currently understood on fiber-reinforced geopolymers by tying the subject together with knowns for other similar cementitious composites rather than a historical report of literature.
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