Preparation, properties and applications of fly ash-based porous geopolymers: A review

X Li, C Bai, Y Qiao, X Wang, K Yang… - Journal of cleaner …, 2022 - Elsevier
A very large amount of fly ash is generated from coal combustion, and the high value-added
and efficient utilization conversion of this solid waste into a resource remains an issue to be …

Recent advances in sustainable lightweight foamed concrete incorporating recycled waste and byproducts: A review

S Yang, X Wang, Z Hu, J Li, X Yao, C Zhang… - … and Building Materials, 2023 - Elsevier
Globally, various solid wastes are produced and stockpiled in large quantities, causing
serious environmental, social, and economic problems. Foamed concrete has attracted …

A review on material mix proportion and strength influence parameters of geopolymer concrete: Application of ANN model for GPC strength prediction

S Paruthi, A Husain, P Alam, AH Khan… - … and Building Materials, 2022 - Elsevier
Concrete is a combination of cement, sand, aggregate, and water. Cement manufacturing
causes the generation of various gases, mainly greenhouse gases like CO 2 in the …

Correlations between unconfined compressive strength, sorptivity and pore structures for geopolymer based on SEM and MIP measurements

Z Zhu, W Huo, H Sun, B Ma, L Yang - Journal of Building Engineering, 2023 - Elsevier
The objective for this research was to investigated the unconfined compressive strength,
sorptivity, pore structures and their correlations of recycled concrete fine powder (RCFP) …

Formulating eco-friendly geopolymer foam concrete by alkali-activation of ground brick waste

K Pasupathy, S Ramakrishnan, J Sanjayan - Journal of Cleaner Production, 2021 - Elsevier
This study investigates ground brick waste powder as a primary precursor to develop eco-
friendly geopolymer foam concrete (BGFCs) using a chemical foaming method. The effect of …

[HTML][HTML] Performance evaluation of sodium silicate waste as a replacement for conventional sand in geopolymer concrete

B Kanagaraj, N Anand, E Lubloy - Journal of Cleaner Production, 2022 - Elsevier
Excessive exploitation and increased demand for conventional sand made an unbalanced
ecosystem; a suitable and sustainable alternative has to be adopted to preserve the …

Enhancing the properties of foam concrete 3D printing using porous aggregates

K Pasupathy, S Ramakrishnan, J Sanjayan - Cement and Concrete …, 2022 - Elsevier
The lightweight concrete (density< 1000 kg/m 3) is generally attained by introducing a large
amount of air voids into fresh concrete for making so-called foam concrete. Such foam …

Hybrid effect of carbon nanotubes and basalt fibers on mechanical, durability, and microstructure properties of lightweight geopolymer concretes

MB Asil, MM Ranjbar - Construction and Building Materials, 2022 - Elsevier
In this research, a combination of basalt fibers (BFs) and carbon nanotubes (CNTs) were
used to improve the engineering attributes of lightweight geopolymer concrete (LWGC). A …

Concrete 3D printing of lightweight elements using hollow-core extrusion of filaments

S Ramakrishnan, S Muthukrishnan, J Sanjayan… - Cement and Concrete …, 2021 - Elsevier
This paper investigates an approach of 3D printing lightweight concrete elements using
extrusion of hollow-core filaments. Two different filament shapes of rectangular hollow …

Influence of alkaline activator and precursor on the foam characterization and alkali-activated foamed concrete properties

J Dang, X Tang, J **ao, A Han - Cement and Concrete Composites, 2024 - Elsevier
This study proposes a solution by adding recycled brick powder in the alkali-activated
foamed concrete to improve the fresh stability and thermal insulation. The roles of activator …