Studies on Treated Recycled Sand Derived from Construction and Demolition Wastes Towards Sustainable Road Construction DOI
Zainul Abedin Khan,

Umashankar Balunaini,

Susanga Costa

et al.

Lecture notes in civil engineering, Journal Year: 2024, Volume and Issue: unknown, P. 77 - 85

Published: Oct. 22, 2024

Language: Английский

A review on sustainable use of recycled construction and demolition waste aggregates in pavement base and subbase layers DOI Creative Commons
Zainul Abedin Khan,

Umashankar Balunaini,

Susanga Costa

et al.

Cleaner Materials, Journal Year: 2024, Volume and Issue: 13, P. 100266 - 100266

Published: Aug. 7, 2024

In recent times, the continuous growth of construction and demolition (C&D) activities have resulted in increases utilization natural resources as well global C&D waste production. A major part produced is dumped landfills worldwide although some countries adopted good recycling reuse facilities to generated waste. Based on an extensive critical review published literature topic including statistics composition wastes, this paper identifies key physical, mechanical, geotechnical characteristics recycled aggregates specific use pavement base or subbase materials. Recycled typically sufficient CBR, abrasion resistance, compressive strength resilient modulus accordance with various road standard specifications, which enable their applications for layer construction. higher water absorption lower gravity values than virgin aggregates. Furthermore, study evaluates feasibility effectiveness layers based detailed laboratory investigations. Additionally, case studies involving large-volume field-scale are presented facilitating broader adoption materials sustainable pavements. These document crucial insights into its real field performance terms strength, durability longevity. Finally, authors discussed potential challenges, research gaps future The still has barriers challenges such availability bulk quantity especially at scale absence standards application, require further practical developments promote these future.

Language: Английский

Citations

13

The role of agricultural ashes (rice husk ash, coffee husk ash, sugarcane bagasse ash, palm oil fuel ash) in cement production for sustainable development in Africa DOI Creative Commons
Susan Kerubo Onsongo, John Olukuru, Onesmus Mulwa Munyao

et al.

Discover Sustainability, Journal Year: 2025, Volume and Issue: 6(1)

Published: Jan. 29, 2025

Abstract Ordinary Portland cement (OPC) is produced through energy-intensive processes and contributes to approximately 8% of global carbon dioxide emissions. As one the most consumed materials after water, cement's environmental impact substantial. Decarbonizing emissions in intensive production requires a sustainable supply low-carbon resources. The purpose this study explore potential agricultural waste ashes as supplementary cementitious (SCMs) reduce footprint OPC. In Africa, where abundant, these residues could offer solution for manufacturing. This employed multi-criteria decision analysis methodology identify select relevant literature analysis. review reveals that incorporating agricultural-based SCMs, such rice husk ash, coffee sugarcane bagasse palm oil fuel into can significantly clinker requirements, thereby lowering while maintaining performance standards found locally sourced by up 40%. Transitioning from clinker-dependent sector bio-based presents several opportunities well challenges African industry, but it critical reducing improving sustainability. approach not only decreases also supports construction, aligning with climate goals development (SDGs) 12 (responsible consumption production) 13 (climate action). Adopting green revolutionize promoting resource efficiency across continent.

Language: Английский

Citations

1

Classification and predictive leaching risk assessment of construction and demolition waste using multivariate statistical and machine learning analyses DOI Creative Commons
Andrea Bisciotti, Valentina Brombin, Yu Song

et al.

Waste Management, Journal Year: 2025, Volume and Issue: 196, P. 60 - 70

Published: Feb. 19, 2025

Managing construction and demolition waste (CDW) poses serious concerns regarding landfilling recycling because of the potential release hazardous elements after leaching. Ceramic materials such as bricks, tiles, porcelain account for more than 70% CDW. Fourteen samples different CDW products from Ferrara (Northeast Italy) were subjected to geochemical analyses, including leaching tests, in accordance with UNI EN 12457-2. The interaction between ceramics concrete was examined, highlighting influence mixed environments on behavior. Results compared an extensive database 150 collected literature types worldwide. Multivariate statistical analysis machine learning used classify compositions based bulk chemical data. Various metrics-contaminant factors (Cf Cd) quotients (HQ HQm)-were introduced quantify key environmental hazards leachates. results this study underscore proposed approaches automating classification predicting Cf HQ using only starting composition. findings enhance management practices support sustainability efforts industry.

Language: Английский

Citations

1

FE-YOLO: A Lightweight Model for Construction Waste Detection Based on Improved YOLOv8 Model DOI Creative Commons

Yizhong Yang,

Yexue Li,

Maohu Tao

et al.

Buildings, Journal Year: 2024, Volume and Issue: 14(9), P. 2672 - 2672

Published: Aug. 27, 2024

Construction waste detection under complex scenarios poses significant challenges due to low accuracy, high computational complexity, and large parameter volume in existing models. These are critical as accurate efficient is essential for effective management the construction industry, which increasingly focused on sustainability resource optimization. This paper aims address accuracy of detection, models scenarios. For this purpose, an improved YOLOv8-based algorithm called FE-YOLO proposed paper. replaces C2f module backbone with Faster_C2f integrates ECA attention mechanism into bottleneck layer. Also, a custom multi-class dataset created evaluation. achieves mAP@50 92.7% dataset, up by 3% compared YOLOv8n. Meanwhile, count floating-point operations scaled down 12% 13%, respectively. Finally, test conducted publicly available dataset. The results demonstrate excellent performance generalization robustness.

Language: Английский

Citations

5

Factors affecting the MICP stabilization of washed recycled sands derived from demolition wastes DOI Creative Commons

Amir Sina Fouladi,

Arul Arulrajah, Jian Chu

et al.

Acta Geotechnica, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 4, 2024

Language: Английский

Citations

4

Analysis of industrial solid waste and the possibility of recycling and utilization DOI Creative Commons
Bohan Chen,

Mengxuan Liu,

Qiong Wang

et al.

Green Chemistry Letters and Reviews, Journal Year: 2025, Volume and Issue: 18(1)

Published: April 22, 2025

Language: Английский

Citations

0

Mechanical properties, life-cycle assessment, and costs of alternative sustainable binders to stabilise recycled aggregates DOI Creative Commons
Luca Tefa, Bartolomeo Coppola, Paola Palmero

et al.

Cleaner Materials, Journal Year: 2025, Volume and Issue: unknown, P. 100302 - 100302

Published: Feb. 1, 2025

Language: Английский

Citations

0

Construction waste management key drivers: Insights from on-site construction and rebuilding DOI Open Access

Snezana Svetozarevic,

Aleksandar Simić,

Vladana Rajakovic Ognjanovic

et al.

IOP Conference Series Earth and Environmental Science, Journal Year: 2025, Volume and Issue: 1453(1), P. 012018 - 012018

Published: Feb. 1, 2025

Abstract With progressive urbanisation, construction waste management (CWM) has emerged as a prominent environmental challenge, with extensive documentation of its environmental, societal, and economic consequences. Recent studies highlight the human factor crucial to efficiency CWM strategies. However, integrating this into research presents methodological challenges due diverse personality factors involved, complicating comparison generalisation results. This views behaviour product social influences shaping beliefs values, alongside systemic freedoms or restrictions in an individual’s environment. Focusing on Serbian student population, study identifies key drivers among future psychologists, hydraulic engineers, engineers. Three critical emerged: Organization, Social Support, Network Implementation. Civil engineering students experienced most favourable organisational conditions for CWM, reinforced by strong networks role models. Both civil were part supportive networks, reflecting professional culture that strongly endorses efforts. underscores importance contexts effective practices professionals.

Language: Английский

Citations

0

Greenhouse gas emission of recycled concrete production for pavement construction considering carbon uptake DOI Creative Commons

Xianjia Huang,

Yi Ouyang, Dawei Zhang

et al.

Developments in the Built Environment, Journal Year: 2025, Volume and Issue: unknown, P. 100646 - 100646

Published: March 1, 2025

Language: Английский

Citations

0

Implications of Local Materials Enhanced with Reclaimed Asphalt Pavement for Road Construction DOI
Hamou Azaiez, Abdellah Cherif Taiba,

Youcef Mahmoudi

et al.

Transportation Infrastructure Geotechnology, Journal Year: 2025, Volume and Issue: 12(4)

Published: March 28, 2025

Language: Английский

Citations

0