GX & Decarbonization Research

S. K. Singh, Jyoti Ahlawat

This paper explores the potential of a four-component blended composite cement to drive decarbonization and circular economy transition in the construction sector. It reduces CO₂ emissions compared to traditional cement and effectively util…

Noushadali V. C, V. S, Soundarya M. K

This study examines adding tire ash (TA) and silica fume cement (SFC) to construction tiles to improve structural integrity, wear resistance, and durability. With 15% TA, hardness increased 21.2% and corrosion rate decreased 94.4%, demonstr…

Seyedehniloufar Mousavi, Tristan Brown, Robert W. Malmsheimer +2

This study performs a life cycle assessment of bioplastics (PLA, PEF, PP) as carbon-storing building materials for New York State. Bioplastic assemblies reduce operational energy demand by 5-10% and net life cycle emissions by 110-210 kg CO…

Linda Cusumano, Mats Granath, N. Olsson +1

This study integrates set-based design with genetic algorithm (NSGA-II) optimization to simultaneously minimize cost and embodied carbon in early building design. Applied to a reference building, the genetic algorithm alone reduced carbon b…

Prakriti Verma, Bhojram Sahu, Ashok Kumar Singh

This paper investigates carbon footprint reduction of structural concrete by partially replacing cement with SCMs like fly ash, GGBS, silica fume, and metakaolin. Using experiments and LCA, it finds GGBS at 40-50% replacement reduces CO2 by…

Sanket Girmala Mali, Rajvardhan Dasharath Patil, Vivek Satappa Patil Swajeet Santosh Belgudri, Vikas Kumbhar, Mrs. V. R. Shah Department

Nano concrete technology integrates nanomaterials to improve concrete's mechanical, thermal, and durability properties, leading to longer service life and reduced carbon emissions. Challenges include cost, scalability, and long-term environ…

C. Ngandu, G. Mucsi

This study demonstrates that mechanical activation (MA) of construction and demolition waste (CDW) improves early-age compressive strength as a cement substitute. The optimal replacement of cement with MA CDW is 25%, achieving up to 67 MPa.…

Liulei Lu, Xiaoli Li#, Qi Luo +3

This study uses LCA to optimize a hybrid cement system combining sulfoaluminate cement with GGBFS and fly ash, achieving a 70% CO2 reduction compared to OPC. Adding 4% desulfurization gypsum improved compressive strength and pore structure.…

Yun Gao, Nwakaego C. Onyenokporo, Manas Murthy +1

This paper proposes integrated design to upcycle waste from modular building factories into a community garden pavilion. Whole-life carbon assessment of three scenarios shows up to 81% reduction compared to using new materials, demonstratin…

Se-Jin Choi, Jeong-Yeon Park, Chun‐Wei Chang +1

This study developed cement-free alkali-activated composites using industrial byproducts (fly ash and blast furnace slag). Adding 10% aluminosilicate material-based capsules (AMCs) improved compressive strength recovery to 112–118% and enha…

B. Pradeep, N. Lavanya, M. R. Archana +2

This study compares energy consumption and carbon emissions from conventional and alternative materials in pavement construction and maintenance. Using life cycle assessment, it highlights the importance of material selection for reducing e…

Nitish Kumar, Akshay Sharma, Arpit Goyal +2

This work explores the use of waste-derived carbon black nanoparticles (CBN) in cement mortar to enhance compressive strength and thermal resistance up to 800°C. Adding 2% CBN significantly improved properties, with denser microstructure ob…

Dr. R. Manju, Srinithi P, Dr. V. Selvan

This study integrates structural performance, durability, and carbon footprint assessment of reinforced concrete with supplementary cementitious materials (SCMs) like Metakaolin, Alccofine, and Biocement. Results show Alccofine improves str…

S. Almuaythir, A. Ahmed

This study investigates cement substitution with marble dust (5-30%) in concrete. Optimal 15% replacement improves compressive strength by 5.4% and reduces carbon emissions by 34% (285 vs 430 kg CO2-eq/m3) while cutting cement cost by 30%. …

C. Paknahad, M. Tohidi, A. Bahadori‐Jahromi

This study evaluates the impact of four beam configurations (Without Beam, Internal Beam, Perimeter Beam, Full Beam) on embodied carbon and construction cost of reinforced concrete two-way joist slabs. Using Eurocode-compliant design and no…

Davide De Vito, Irene Mazzei, Elisabetta Palumbo

This paper proposes a methodological framework to integrate worker safety and social risk indicators into Environmental Life Cycle Assessment (E-LCA) for construction materials. Starting from EU Ecolabel criteria, the authors couple E-LCA w…

Mochammad Sulton Sahara, A. Saggaff, Mahmood M. D. Tahir +1

Presents an LCA-based framework for quantifying carbon footprint of green buildings aligned with Indonesian building codes. Applied to an 8-story university building, total 50-year carbon is 15,302 tCO₂e (1,510 kgCO₂e/m²). Operational energ…

Xierong Gu, Ron Mahabir, Lei Fan

This paper evaluates both embodied and operational carbon performance of common floor slab systems in China. A comparative analysis suggests that the choice of slab system significantly impacts total lifecycle carbon emissions.

A. Hzami, A. Abu-Rayash

This systematic review of 100 articles (1985-2024) on expanded perlite as a building material finds that it reduces thermal conductivity to as low as 0.034 W/m·K and improves compressive strength by up to 50% at 35% replacement. However, hi…

Rui Zhao, Hoong-Pin Lee, Jianglin Wang

This paper presents a case study of a Chinese library achieving three-star green building certification through life-cycle carbon assessment. By replacing materials, local procurement, prefabrication, and renewable energy integration, total…