GX & Decarbonization Research

Arthur J. Sterling, Marcus P. Thorne, Julian T. Harrow

This paper integrates Lifecycle Assessment with a Multi-Objective Optimization model using a genetic algorithm to select sustainable construction materials. Applied to a mid-rise commercial building, it simultaneously minimizes lifecycle co…

Mohammad S. M. Almulhim, Ahmed Essa Al Muhanna, Noman Ashraf

This study evaluates how optimizing reinforced concrete beam dimensions affects the environmental impact of building construction. Using structural analysis and life cycle assessment on a multistory building, the authors compare embodied ca…

Deelaram Nangir, M. Gkantou, Ana Bras +5

Using primary data from a UK modular social housing development, this study quantifies the whole-life carbon footprint as 91.3 tCO2e over 50 years, with embodied carbon intensity (A1–A5) at 366 kgCO2e/m2, comparable to high-performing cross…

F. Khalid, S. H. Saaidin, C. Quan +4

This study proposes a novel method for making sand cement bricks with partial substitution of cement and sand by coal fly ash (CFA) and magnesium oxide (MgO) to enhance CO2 sequestration. Using a 2k full factorial design, the effects of tem…

Dongfang Li, Zengyang Huang, Lichun Zhou +9

This study explores CO2 mineralization in silicate cement paste to enhance carbon sequestration and mechanical performance. A novel mixing method using gaseous and solid CO2 achieved a final carbon sequestration rate of 8.1 wt% at a water-c…

Muzan Williams Ijeoma, Sovanroth Ou, Amin Nabati +7

This paper evaluates the life-cycle carbon benefits of a novel mass timber floor system, focusing on end-of-life strategies such as deconstruction, recovery, and cascading use. It quantifies carbon reduction compared to conventional concret…

D. Thoradeniya, C. Jayasinghe, I. E. Ariyaratne

This study compares waste-based masonry materials (AAC and EPS blocks) with conventional cement-sand blocks in terms of embodied energy (via process-based analysis with on-site work studies) and operational energy (via thermal simulations f…

G. Chobe, Ishaan Davariya, Dheeraj Waghmare +4

This pilot study investigates incorporating lithium-ion battery waste into concrete, evaluating compressive strength and embodied carbon. Black mass incorporation reduced 28-day strength by 35%, while mixed metals reduced by 55%, but embodi…

Z. Akbulut, I. Merta, S. Guler +1

This review examines structural lightweight concrete (SLWC) innovations, showing that combining lightweight aggregates with SCMs (MK, GGBFS, LC3) reduces CO2 by 15-40% and seismic base shear by 20-30% compared to conventional concrete.

D. Sau, T. Hazra, Amit Shiuly +1

This study evaluates the environmental and economic performance of recycled plastic waste aggregate (RPWA) as partial replacement for natural aggregates in concrete using LCA (with and without mass allocation) and LCCA. Results show that ma…

Bhushan S. Madavi

This study compares cost estimation between conventional and smart construction materials (AAC blocks, EPS panels, gypsum plaster) for a G+1 residential building in India. Results show smart materials reduce total construction cost by 18.44…

Miljan Vlahović, Anja Terzić, Željko Arsić +1

This study investigates the use of beechwood biochar as a partial replacement for sand in mortar. Results show that up to 10 wt.% biochar yields acceptable mechanical performance for non-structural applications, offering lower density and v…

Marine Eliard, Aurora Bertini, M. Al-Obaidy +1

This paper analyzes the life cycle and energy performance of a circular office building in a temperate climate, comparing it to conventional buildings and applying circular economy principles.

M. Al-Jamal, Ayooub Alsarhan, Wafa' Q. Al-Jamal +4

This study presents a digital-twin-ready decision-support framework integrating BIM and AI-enhanced LCA. Machine learning surrogate models (Random Forest, Gradient Boosting, ANN) predict mechanical performance and lifecycle indicators (CO2,…

Radhika Sridhar, Yanfei Che, Patraphorn Phornthepkasemsant +3

This study develops a low-carbon self-compacting glass fiber-reinforced concrete using calcium sulpho-aluminate cement and recycled concrete fine aggregate, aiming to reduce CO2 emissions in construction. It evaluates material properties an…

Lei Wang, Weizhe Ge, Gang Huang +4

This paper presents a green, solvent-free flash Joule heating method to synthesize high-quality graphene from carbon black for reinforcing cement composites. The synthesized graphene (0.20 wt%) increased compressive strength by 161% and imp…

A. Nasution, Rudi Suwondoh, Mufti Ali Nasution

This study evaluates the structural feasibility and sustainability of bamboo and sandstone in Indonesian construction. Results show bamboo has high mechanical strength and sandstone offers superior insulation, achieving a 49.4% reduction in…

Beyza Bertan, D. Akdemir, Mehmet Akça

This paper examines the role of forestry and wood-based materials in green building practices within sustainable development goals. It highlights wood's potential to reduce carbon footprint through low production energy and Life Cycle Asses…

Mohammad S. M. Almulhim

The construction industry is a major carbon emitter, with structural systems being embodied carbon-intensive. This paper proposes a Dual-Layer Sustainable Optimization Framework (DLSOF) integrating system-level substitution and span optimiz…

Y. Yardımcı, Yasemin Erbil

This review analyzes AI-integrated LCA research in construction. ML and ANN are used to predict energy and carbon, but integration is fragmented due to unstructured data and lack of standards. Focus is on operational energy, neglecting embo…