Alkali-activated materials and geopolymer: a review of common precursors and activators addressing circular economy

M Nodehi, VM Taghvaee - Circular Economy and Sustainability, 2022‏ - Springer
Introduction The vast increase in CO2 and waste generation in recent decades has been a
major obstacle to sustainable development and sustainability. In construction industry, the …

A review on treatment techniques to improve the durability of recycled aggregate concrete: Enhancement mechanisms, performance and cost analysis

AA Bahraq, J Jose, M Shameem… - Journal of Building …, 2022‏ - Elsevier
It is well-recognized that recycled aggregate (RA), obtained from dismantled structures, is
more porous and less dense, than natural aggregate (NA) due to the presence of adhering …

Combined effects of supplementary cementitious materials (silica fume, GGBS, fly ash and rice husk ash) and steel fiber on the hardened properties of recycled …

LA Qureshi, B Ali, A Ali - Construction and Building Materials, 2020‏ - Elsevier
Recycled aggregate concrete (RAC) is now getting much more attention than ever as a likely
substitute for natural aggregate concrete, credited to the growing interest of many countries …

Effect of silicate modulus and alkali content on the microstructure and macroscopic properties of alkali-activated recycled powder mortar

M Liu, D Yang, L Chen, G Chen, Z Ma - Construction and Building Materials, 2023‏ - Elsevier
The use of recycled powder (RP) as a green raw material to prepare alkali-activated
materials provides a promising approach for the sustainable utilization of construction waste …

Effects of using rice straw and cotton stalk ashes on the properties of lightweight self-compacting concrete

IS Agwa, OM Omar, BA Tayeh… - Construction and Building …, 2020‏ - Elsevier
This paper presents the mechanical properties and microstructure of lightweight self-
compacting concrete (LWSCC) incorporating rice straw ash (RSA) and cotton stalk ash …

Self-compacting concrete with recycled coarse aggregates from concrete construction and demolition waste–Current state-of-the art and perspectives

S Malazdrewicz, KA Ostrowski, Ł Sadowski - Construction and Building …, 2023‏ - Elsevier
The demolition of old concrete structures is an increasing trend, mainly due to their technical
state, end of service-life and plans of modernization. The disadvantage of the process is …

[HTML][HTML] Investigating the mechanical and microstructure properties of fibre-reinforced lightweight concrete under elevated temperatures

M Amin, BA Tayeh - Case Studies in Construction Materials, 2020‏ - Elsevier
This study investigated the mechanical properties and elevated temperatures of lightweight
concrete (LWC) incorporating polypropylene fibre (PPF) and glass fibre (GF). The …

Chloride transport and induced steel corrosion in recycled aggregate concrete: A review

C Liang, Z Cai, H Wu, J **ao, Y Zhang, Z Ma - Construction and Building …, 2021‏ - Elsevier
Chloride ingress and resulting steel corrosion are the main reasons leading to durability
degradation. A body of literature on chloride transport and steel corrosion in recycled …

[HTML][HTML] Improving the performance of recycled aggregate concrete using nylon waste fibers

B Ali, M Fahad, AS Mohammed, H Ahmed… - Case Studies in …, 2022‏ - Elsevier
The use of coarse recycled aggregates (CRA) as the replacement for natural aggregates is
an eco-friendly solution to alleviate the extraction of natural resources and the harmful …

Mechanical behaviour of structural concrete with ground recycled concrete cement and mixed recycled aggregate

B Cantero, M Bravo, J De Brito, IFS Del Bosque… - Journal of Cleaner …, 2020‏ - Elsevier
This article analyses the combined effect of valorising ground recycled concrete (GRC) as
10% or 25% cement replacement and 0% or 50% mixed recycled construction and …