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High early strength concrete incorporating waste derived nanomaterials for sustainable construction.

作者信息

Hamed Nehal, Serag M I, El-Attar M M, El-Feky M S

机构信息

Department of Structural Engineering, Faculty of Engineering, Cairo University, Giza, Egypt.

Department of Civil Engineering, The Higher Institute of Engineering and Technology Fifth Settlement, New Cairo, Egypt.

出版信息

Sci Rep. 2024 Dec 23;14(1):30602. doi: 10.1038/s41598-024-81178-4.

DOI:10.1038/s41598-024-81178-4
PMID:39715813
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11666605/
Abstract

This paper contributes to the expanding knowledge base on nanomaterial-enhanced cementitious composites, offering valuable insights for developing high-performance, sustainable concrete solutions. The study assessed the effects of three different types of nanomaterials-nano clay (NC), nano silica (NS), and nano cellulose (NCel)-on the compressive strength of high-early-strength concrete (HESC) through both experimental studies and a 2 factorial design. Incorporating nanomaterials into the HESC matrix led to a decrease in workability, with NCel demonstrating the least impact on this property across all studied replacement percentages. All HESC mixes containing nanomaterials exhibited higher compressive strength than the control mix (M mix) across all ages. The optimal percentages for compressive strength enhancement were 4.5% NC (33.43% increase at 3 days, 22.29% at 7 days, and 12.15% at 28 days), 4.5% NS (20.12%, 11.14%, and 4.89% respectively), and 0.0375% NCel (34.91%, 25.76%, and 13.46% respectively). The highest compressive strength was observed in the hybrid mix containing 4.5% NC and 0.0375% NCel, yielding strength enhancements of 35.7%, 26%, and 12.75% compared to the M mix. Statistical analysis indicated that nano cellulose had the most significant contribution to enhancing compressive strength, followed by nano clay. The mathematical models derived from the statistical analyses provide a reliable means of predicting the compressive strength of HESC at 3, 7, and 28 days based on nanomaterial content. Contour plots illustrated the optimization of compressive strength across different nanomaterial contents at each age. In summary, the findings underscore the potential of waste-derived nanomaterials to enhance the performance of HESC, paving the way for innovative waste utilization strategies in construction. The study emphasizes the importance of reducing curing times, improving structural durability, and minimizing the environmental impact associated with concrete production.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/67e90b989565/41598_2024_81178_Fig19_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/5401f0c4a4a6/41598_2024_81178_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/dee84840d27f/41598_2024_81178_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/333c3acdf876/41598_2024_81178_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/b743127fd3ed/41598_2024_81178_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/4edb10f12196/41598_2024_81178_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/53030a94dd31/41598_2024_81178_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/fd33952a0342/41598_2024_81178_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/e5fe53582a79/41598_2024_81178_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/e3e464132465/41598_2024_81178_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/8c0321ac0d27/41598_2024_81178_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/a2d8095f0edb/41598_2024_81178_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/49531d40c9d9/41598_2024_81178_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/1c118c827a71/41598_2024_81178_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/9855c141b96d/41598_2024_81178_Fig14_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/b01fc745e992/41598_2024_81178_Fig15_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/fb0e2bd3ea8d/41598_2024_81178_Fig16_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/d0e5caa99ddc/41598_2024_81178_Fig17_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/69e34207e317/41598_2024_81178_Fig18_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/67e90b989565/41598_2024_81178_Fig19_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/5401f0c4a4a6/41598_2024_81178_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/dee84840d27f/41598_2024_81178_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/333c3acdf876/41598_2024_81178_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/b743127fd3ed/41598_2024_81178_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/4edb10f12196/41598_2024_81178_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/53030a94dd31/41598_2024_81178_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/fd33952a0342/41598_2024_81178_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/e5fe53582a79/41598_2024_81178_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/e3e464132465/41598_2024_81178_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/8c0321ac0d27/41598_2024_81178_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/a2d8095f0edb/41598_2024_81178_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/49531d40c9d9/41598_2024_81178_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/1c118c827a71/41598_2024_81178_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/9855c141b96d/41598_2024_81178_Fig14_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/b01fc745e992/41598_2024_81178_Fig15_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/fb0e2bd3ea8d/41598_2024_81178_Fig16_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/d0e5caa99ddc/41598_2024_81178_Fig17_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/69e34207e317/41598_2024_81178_Fig18_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3208/11666605/67e90b989565/41598_2024_81178_Fig19_HTML.jpg

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本文引用的文献

1
Utilizing industrial byproducts for the manufacture of clay-cellulose nanocomposite cements with enhanced sustainability.利用工业副产品制造具有更高可持续性的粘土-纤维素纳米复合水泥。
Sci Rep. 2024 Jan 7;14(1):751. doi: 10.1038/s41598-023-51130-z.
2
Wood sawdust waste-derived nano-cellulose as a versatile reinforcing agent for nano silica cement composites: a systematic study on its characterization and performance.木屑废料衍生的纳米纤维素作为纳米二氧化硅水泥复合材料的多功能增强剂：对其表征和性能的系统研究
Sci Rep. 2023 Aug 7;13(1):12811. doi: 10.1038/s41598-023-39788-x.
3
Multiscale Characterization at Early Ages of Ultra-High Performance Geopolymer Concrete.
超高性能地质聚合物混凝土早期的多尺度表征
Polymers (Basel). 2022 Dec 15;14(24):5504. doi: 10.3390/polym14245504.