[HTML][HTML] Properties of geopolymers sourced from construction and demolition waste: A review

M Alhawat, A Ashour, G Yildirim, A Aldemir… - Journal of Building …, 2022 - Elsevier
Geopolymers have been recognised as a viable replacement to ordinary Portland cement
(OPC), providing a cleaner solution since it can significantly reduce greenhouse gas …

Geopolymers made of recycled brick and concrete powder–A critical review

T Ye, J **ao, Z Duan, S Li - Construction and Building Materials, 2022 - Elsevier
Geopolymers made of recycled brick powder (RBP) and recycled concrete powder (RCP)
have attracted huge attention. However, their properties have not been intensively …

Rheological property and extrudability performance assessment of construction and demolition waste-based geopolymer mortars with varied testing protocols

H Ilcan, O Sahin, A Kul, E Ozcelikci… - Cement and Concrete …, 2023 - Elsevier
This study investigated fresh properties of 100% construction and demolition waste (CDW)-
based geopolymer mortars providing innovative solutions for waste upcycling in favor of …

Drying shrinkage of geopolymeric recycled aggregate concrete

W Xu, Z Tang, Y Song, Y **e, B Lei, H Yu… - … and Building Materials, 2023 - Elsevier
In this work, the drying shrinkage behavior of geopolymeric recycled aggregate concrete
(GRAC) was studied with attention devoted to the mass loss, drying shrinkage strain, and …

Prediction of compressive strength of alkali-activated construction demolition waste geopolymers using ensemble machine learning

J Shen, Y Li, H Lin, H Li, J Lv, S Feng, J Ci - Construction and Building …, 2022 - Elsevier
This paper mainly employed the random forest (RF), gradient boosting (GB) and extreme
gradient boosting (XGB) to predict the compressive strength of alkali-activated construction …

Low-alkaline activated construction and demolition waste-based geopolymers

H İlcan, AO Demirbaş, H Ulugöl, M Şahmaran - Construction and Building …, 2024 - Elsevier
This paper focuses on the development of environmentally friendly, easy to use and cost-
effective construction and demolition waste (CDW)-based geopolymer mortars activated …

Shear behaviour of reinforced construction and demolition waste-based geopolymer concrete beams

A Aldemir, S Akduman, O Kocaer, R Aktepe… - Journal of Building …, 2022 - Elsevier
Geopolymer concrete (GPC) is a promising candidate to replace conventional concrete (CC)
as geopolymer concrete depends on alkali-activated binders instead of Portland cement …

Opportunities and challenges in constructing a demountable precast building using C&D waste-based geopolymer concrete: A case study in Türkiye

S Akduman, R Aktepe, A Aldemir, E Ozcelikci… - Journal of Cleaner …, 2024 - Elsevier
As countries worldwide, including Türkiye, grapple with critical challenges in the
preservation of natural resources, it is imperative to take urgent and proactive measures that …

Factors affecting the structural performance of geopolymer concrete beam composites

S Dwibedy, SK Panigrahi - Construction and Building Materials, 2023 - Elsevier
Geopolymer concrete (GPC) is a potentially sustainable building material having acceptable
fresh, mechanical, and durable characteristics still, it has not attained global acceptance due …

Fully demountable column base connections for reinforced CDW-based geopolymer concrete members

R Aktepe, S Akduman, A Aldemir, E Ozcelikci… - Engineering …, 2023 - Elsevier
CDW-based concrete requires alkali-activators to generate geopolymerization process.
These alkali-activators are difficult to be handled at the construction site and one of the …