GX & Decarbonization Research

Siva Shankari Subbaraj Velmurugan, D. S. S.

Geopolymers are eco-friendly alternatives to ordinary Portland cement. This study evaluates the stability of alkali activator solutions with silica modulus 0.8, 1.2, and 1.4 over one year. Solutions with modulus 0.8 and 1.4 showed long-term…

M. Khubaib, Z. Asghar

This systematic review examines how Structural Health Monitoring (SHM) integrates with sustainability indicators for resilient and green infrastructure. It traces the evolution of SHM technologies and identifies links to energy performance,…

Israt Jahan Reana, J. Oti, B. Adeleke

This study investigates partial replacement of coarse aggregates with recycled plastic waste in concrete. Up to 15% replacement maintains strength, while higher levels reduce it. Workability improves, and low replacement reduces water absor…

Norzahrin Abd Majid, Muhammad Rizwan Md Rasid, M. Arshad +3

This study examines the effects of carbonic acid as a water replacement in lightweight foamed concrete blocks, focusing on density and thermal conductivity. Moderate concentrations of carbonic acid promote carbonate crystal growth, reducing…

A. Nuryawan, R. Karolina, Muhammad Andhika Ramadhan

This study proposes hybrid paving blocks by adding plastic and wood waste to traditional cement-sand mixtures. The approach recycles resistant plastics, stores carbon in wood particles, and contributes to long-term climate mitigation. Physi…

Maaz Nasir, Ali S. A. Saleem, Salman Malik +5

This study developed eco-friendly concrete blocks by partially replacing cement with waste marble powder (WMP) and rice husk ash (RHA) at 15% and 30%. Results showed that 15% WMP mix increased compressive strength by 25% and tensile strengt…

Xuejing Zhang, Mingyuan Zhou, Yuan Mei +1

This study investigates a ternary solid waste system (coal gangue, steel slag, gasification slag) for alkali-activated cementitious materials, achieving 7.653 MPa compressive strength. It offers a low-carbon alternative to conventional ceme…

N. Parveen

This review examines high-performance concrete incorporating Ground Granulated Blast Furnace Slag and Fly Ash. Results show enhanced strength, reduced heat of hydration, improved resistance to sulfates and chlorides, and lower carbon emissi…

Hongrui Chen, L. Präger, J. Woytowicz +1

This study proposes an integrated method combining Urban Mining Index (UMI) and Life Cycle Assessment (LCA) to simultaneously evaluate building recyclability and Global Warming Potential (GWP). Using the NAWAREUM museum in Germany as a case…

G. Kalpana, Chappidi Hanumantha Rao, M. Adamu +2

This paper applies a multi-criteria decision-making approach with uncertainty quantification to optimize the composition of geopolymer composites based on calcium carbide residue, a waste material. It contributes to low-carbon construction …

S. Bigiotti, Carlo Costantino, Alvaro Marucci

This paper proposes substituting steel prefabricated systems with timber for livestock buildings, using a poultry house case study in Italy. Life Cycle Assessment and cost analysis show timber reduces Global Warming Potential by 29% (up to …

I. Pundienė, J. Pranckevičienė, A. Mažeikienė +4

This pilot study synthesizes lightweight geopolymers from wood biomass ash for phosphorus removal from wastewater. Porous aggregates (PA) and air-entraining additives (AEA) produce geopolymers with densities 985-1400 kg/m3, compressive stre…

Z. Akbulut, S. Guler, M. Arvas +4

This review evaluates the environmental sustainability of recycled polymer fibers (RPFs) in concrete. LCA studies show 40-85% energy reduction and 25-75% global warming potential reduction compared to virgin fibers. Challenges include proce…

P. Baral

This review comprehensively analyzes sustainable materials and technologies for road pavement. It examines Recycled Asphalt Pavement (RAP), Reclaimed Concrete Aggregate (RCA), industrial by-products like fly ash and slag, and geopolymers as…

M. Mohibullah, Saniure Rahman Sheam

This paper evaluates the long-term performance of recycled plastic fibers (RPF) in concrete through experiments and life-cycle assessment. Optimal dosage (about 1% of cement mass) improves flexural and compressive strength and reduces shrin…

C. Ruiz-Díaz, Paula Triviño-Tarradas, G. Guerrero-Vacas +3

This study proposes an OpenBIM-based digital-twin methodology to compare conventional RC structures with those using waste wool fibres in cementitious materials. Using an IFC model of a high-rise building, it automates extraction of structu…

Dudhwala Rinkal, Siksha Swaroopa Kar, Rajesh Gujar

This paper reviews advances in hot recycling of asphalt pavements, covering real-time performance, material characterization, and future innovations.

C. Uzoma, B. J. Olawuyi, O. O. Joshua +1

This study investigates cocoa pod husk ash (CPHA) as a partial cement substitute in mortar, evaluating compressive strength and pozzolanic activity. The strength activity index for all CPHA replacements exceeded the ASTM minimum of 75%, con…

S. Mohan, P. Ponkarthikeyan, D. Velumani +1

This study optimizes the use of granite dust (GD) and marble powder (MP) in cement mortar tiles to enhance performance and reduce environmental impact. Optimal mix (15% GD, 10% MP) achieved highest density and modulus of rupture (14.37 MPa)…

Ruizeng Cao, Guohao Zhang, Tingting Yang +4

This study applies dynamic material flow analysis to quantify material stocks of residential and non-residential buildings in Xi'an and Chengdu from 1950-2050. It finds stocks will peak around 2040, and an 80% material recovery rate can lar…