Fiber-reinforced geopolymer composites: A review

N Ranjbar, M Zhang - Cement and Concrete Composites, 2020 - Elsevier
There is a burgeoning interest in the development of geopolymers as sustainable
construction materials and incombustible inorganic polymers. However, geopolymers show …

Impact of fiber reinforcements on properties of geopolymer composites: A review

KZ Farhan, MAM Johari, R Demirboğa - Journal of Building Engineering, 2021 - Elsevier
Conventional Portland cement-based composites are inherently weak under tensile
stresses, due to its high brittleness quotient, and the problem gets further aggravated in …

Fiber orientation effects on ultra-high performance concrete formed by 3D printing

AR Arunothayan, B Nematollahi, R Ranade… - Cement and Concrete …, 2021 - Elsevier
Despite the growing interest in 3D concrete printing, its current progress is limited by
reinforcing methods. Inclusion of steel fibers is a potential reinforcing solution; however, the …

Mechanical properties and prediction of fracture parameters of geopolymer/alkali-activated mortar modified with PVA fiber and nano-SiO2

P Zhang, K Wang, J Wang, J Guo, S Hu, Y Ling - Ceramics International, 2020 - Elsevier
Abstract Properties of fly ash (FA) and metakaolin (MK) based geopolymer/alkali-activated
mortar modified with polyvinyl alcohol (PVA) fiber and nano-SiO 2, including workability …

[HTML][HTML] Hardening evolution of geopolymers from setting to equilibrium: A review

N Ranjbar, C Kuenzel, J Spangenberg… - Cement and Concrete …, 2020 - Elsevier
In recent years, environmentally sustainable geopolymers have been widely investigated to
obtain comparable mechanical properties with Portland cement, and they are now close to …

Metakaolin as cementitious material: History, scours, production and composition–A comprehensive overview

AM Rashad - Construction and building materials, 2013 - Elsevier
Kaolin can satisfy the world demand for filler, paper and ceramic industries. Kaolin converts
to a pozzolan material named metakaolin (MK) after suitable thermal treatment. MK can be …

Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution

V Trincal, S Multon, V Benavent, H Lahalle… - Cement and Concrete …, 2022 - Elsevier
Geopolymers seem to be a good alternative to ordinary Portland cement to reduce the
carbon footprint of the construction industry. However, their durability over time is still a …

Graphene nanoplatelet-fly ash based geopolymer composites

N Ranjbar, M Mehrali, M Mehrali, UJ Alengaram… - Cement and Concrete …, 2015 - Elsevier
Geopolymers show high quasi-brittle behavior because of their ceramic-like characteristics.
Recent findings have indicated that graphene can be used as an additive to improve the …

A comprehensive overview about the influence of different admixtures and additives on the properties of alkali-activated fly ash

AM Rashad - Materials & Design, 2014 - Elsevier
The development of new binders, as an alternative to Portland cement (PC), by alkaline
activation, is a current researchers interest. Alkali-activated fly ash (AAFA) binder is obtained …

High-temperature behavior and mechanical characteristics of boron waste additive metakaolin based geopolymer composites reinforced with synthetic fibers

A Celik, K Yilmaz, O Canpolat… - … and Building Materials, 2018 - Elsevier
This paper aims to examine high-temperature behavior and some mechanical and
microstructural characteristics of boron waste additive metakaolin based geopolymer mortar …