Application of self-produced artificial sand in the production of green mortar
Email:
htphuoc@ctu.edu.vn
Từ khóa:
Artificial sand, green mortar, natural sand, alkali-activated method.
Tóm tắt
Due to the large disposal of locally industrial wastes and the shortage of natural resources, turning industrial by-products into green artificial materials has been attracting many researchers in the world. Following this trend, this study evaluated the potential application of self-produced artificial sand (AS) in the production of green mortar. The AS was produced by the alkali-activated method using a mixture of 36.4% fly ash, 36.4% slag, 3.5% 10M NaOH solution, 11% Na2SiO3 solution, and 12.7% water. The mortar mixtures were designed based on the densified mixture design algorithm with the incorporation of the AS as the substitution of natural sand (NS) by 0 – 100 wt.% (interval of 20%). The engineering properties of the mortar samples in both fresh and hardened states were evaluated through the tests of workability, compressive strength (CS), water absorption (WA), and shrinkage/ expansion. The experimental results showed that the mortar sample incorporating 20% of AS to replace NS performed superior engineering properties in comparison to other samples. Further increasing the AS content generally caused a negative impact on the mortar’s performance. Increasing AS content beyond 20% systematically decreased the CS while both WA and expansion were increased noticeably. However, the properties of the green mortar produced for this study satisfied all of the requirements of the official Vietnamese standards. Thus, the research results further confirmed a great potential in producing green mortar using AS to either partially or fully replacement of NS. In addition, the use of AS greatly contributes to not only saving natural resources but also limiting the negative effects on the environment due to the exploitation and use of naturally sourced materials.Tài liệu tham khảo
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[10]. TCVN 4314:2003, Mortar for masonry - Specifications, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[11]. TCVN 3121-3:2003, Mortar for masonry - Test methods. Part 3: Determination of consistence of fresh mortar (by flow table), Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[12]. TCVN 3121-11:2003, Mortar for masonry - Test methods. Part 11: Determination of flexural and compressive strength of hardened mortars, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[13]. TCVN 8824:2011, Cements - Test method for drying shrinkage of mortar, Ministry of Science and Technology, Vietnam, 2011. (In Vietnamese).
[14]. TCVN 3121-18:2003, Mortar for masonry - Test methods. Part 18: Determination of water absorption of hardened mortars, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[15]. L. Zeghichi, The effect of replacement of naturals aggregates by slag products on the strength of concrete, Asian Journal of Civil Engineering, 7 (2006) 27-35. https://www.sid.ir/en/Journal/ViewPaper.aspx?ID=48903
[16]. N. U. Kockal, T. Ozturan, Durability of lightweight concretes with lightweight fly ash aggregates, Construction and Building Materials, 25 (2011) 1430-1438. https://doi.org/10.1016/j.conbuildmat.2010.09.022
[17]. E. Guneyisi et al., Influence of the artificial lightweight aggregate on fresh properties and compressive strength of the self-compacting mortars, Construction and Building Materials, 116 (2016) 151-158. https://doi.org/10.1016/j.conbuildmat.2016.04.140
[18]. M. Gesoglu, T. Özturan, E. Guneyisi, Shrinkage cracking of lightweight concrete made with cold-bonded fly ash aggregate, Cement and Concrete Research, 34 (2004) 1121-1130. https://doi.org/10.1016/j.cemconres.2003.11.024
[19]. U. S. Agrawal, S. P. Wanjari, D. N. Naresh, Characteristic study of geopolymer fly ash sand as a replacement to natural river sand, Construction and Building Materials, 150 (2017) 681-688. https://doi.org/10.1016/j.conbuildmat.2017.06.029
[20]. O. H. Oren et al., Physical and mechanical properties of foam concretes containing granulated blast furnace slag as fine aggregate, Construction and Building Materials, 238 (2020) 117774. https://doi.org/10.1016/j.conbuildmat.2019.117774
[21]. I. Yuksel, T. Bilir, O. Ozkan, Durability of concrete incorporating non-ground blast furnace slag and bottom ash as fine aggregate, Building and Environment, 42 (2007) 2651-2659. https://doi.org/10.1016/j.buildenv.2006.07.003
[22]. S. Sakir et al., Utilization of by-products and wastes as supplementary cementitious materials in structural mortar for sustainable construction, Sustainability, 12 (2020) 3888. https://doi.org/10.3390/su12093888
[2]. S. Ipek, O. A. Ayodele, K. Mermerdaş, Influence of artificial aggregate on mechanical, properties, fracture parameters and bond strength of concretes, Construction and Building Materials, 238 (2020) 117756. https://doi.org/10.1016/j.conbuildmat.2019.117756
[3]. F. Iucolano et al., Recycled plastic aggregate in mortars composition: Effect on physical and mechanical properties, Materials and Design, 52 (2013) 916-922. https://doi.org/10.1016/j.matdes.2013.06.025
[4]. P. Shafigh et al., Oil palm shell as an agricultural solid waste in artificial lightweight aggregate concrete, European Journal of Environmental and Civil Engineering, 22 (2016) 165-180. https://doi.org/10.1080/19648189.2016.1182084
[5]. H. K. Kim, J. H. Jeon, H. K. Lee, Flow, water absorption, and mechanical characteristics of normal- and high-strength mortar incorporating fine bottom ash aggregates, Construction and Building Materials, 26 (2012) 249-256. https://doi.org/10.1016/j.conbuildmat.2011.06.019
[6]. V. A. Tran et al., Effect of fly ash on physical and mechanical properties of mortar, The University of Danang, Journal of Science and Technology, 17 (2019) 35-38. http://doi.org/10.31130/JST-UDE2018-292
[7]. C. L. Hwang, M. F. Hung, Durability design and performance of self-consolidating lightweight concrete, Construction and Building Material, 19 (2005) 619-626. https://doi.org/10.1016/j.conbuildmat.2005.01.003
[8]. C. L. Hwang, M. F. Hung, Y. Y. Chen, The Comparison of ACI mixture design algorithm to HPC densified mixture design algorithm in the anti-corrosion and durability design, Journal of Chinese Corrosion Engineering, 16 (2002) 281-296. https://www.researchgate.net/publication/293649133_The_Comparison_of_ACI_Mixture_Design_Algorithm_to_HPC_Densified_Mixture_Design_Algorithm_in_the_Anti-corrosion_and_Durability_Design
[9]. C. L. Hwang, T. P. Huynh, Investigation into the use of unground rice husk ash to produce eco-friendly construction bricks, Construction and Building Material, 93 (2005) 335-341. https://doi.org/10.1016/j.conbuildmat.2015.04.061
[10]. TCVN 4314:2003, Mortar for masonry - Specifications, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[11]. TCVN 3121-3:2003, Mortar for masonry - Test methods. Part 3: Determination of consistence of fresh mortar (by flow table), Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[12]. TCVN 3121-11:2003, Mortar for masonry - Test methods. Part 11: Determination of flexural and compressive strength of hardened mortars, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[13]. TCVN 8824:2011, Cements - Test method for drying shrinkage of mortar, Ministry of Science and Technology, Vietnam, 2011. (In Vietnamese).
[14]. TCVN 3121-18:2003, Mortar for masonry - Test methods. Part 18: Determination of water absorption of hardened mortars, Ministry of Science and Technology, Vietnam, 2003. (In Vietnamese).
[15]. L. Zeghichi, The effect of replacement of naturals aggregates by slag products on the strength of concrete, Asian Journal of Civil Engineering, 7 (2006) 27-35. https://www.sid.ir/en/Journal/ViewPaper.aspx?ID=48903
[16]. N. U. Kockal, T. Ozturan, Durability of lightweight concretes with lightweight fly ash aggregates, Construction and Building Materials, 25 (2011) 1430-1438. https://doi.org/10.1016/j.conbuildmat.2010.09.022
[17]. E. Guneyisi et al., Influence of the artificial lightweight aggregate on fresh properties and compressive strength of the self-compacting mortars, Construction and Building Materials, 116 (2016) 151-158. https://doi.org/10.1016/j.conbuildmat.2016.04.140
[18]. M. Gesoglu, T. Özturan, E. Guneyisi, Shrinkage cracking of lightweight concrete made with cold-bonded fly ash aggregate, Cement and Concrete Research, 34 (2004) 1121-1130. https://doi.org/10.1016/j.cemconres.2003.11.024
[19]. U. S. Agrawal, S. P. Wanjari, D. N. Naresh, Characteristic study of geopolymer fly ash sand as a replacement to natural river sand, Construction and Building Materials, 150 (2017) 681-688. https://doi.org/10.1016/j.conbuildmat.2017.06.029
[20]. O. H. Oren et al., Physical and mechanical properties of foam concretes containing granulated blast furnace slag as fine aggregate, Construction and Building Materials, 238 (2020) 117774. https://doi.org/10.1016/j.conbuildmat.2019.117774
[21]. I. Yuksel, T. Bilir, O. Ozkan, Durability of concrete incorporating non-ground blast furnace slag and bottom ash as fine aggregate, Building and Environment, 42 (2007) 2651-2659. https://doi.org/10.1016/j.buildenv.2006.07.003
[22]. S. Sakir et al., Utilization of by-products and wastes as supplementary cementitious materials in structural mortar for sustainable construction, Sustainability, 12 (2020) 3888. https://doi.org/10.3390/su12093888
Tải xuống
Chưa có dữ liệu thống kê
Nhận bài
05/10/2020
Nhận bài sửa
17/05/2021
Chấp nhận đăng
19/05/2021
Xuất bản
27/05/2021
Chuyên mục
Công trình khoa học
Kiểu trích dẫn
Huynh Trong, P., Lam Tri, K., Pham Trong, B., & Phan Huy, P. (1622048400). Application of self-produced artificial sand in the production of green mortar. Tạp Chí Khoa Học Giao Thông Vận Tải, 72(4), 468-476. https://doi.org/10.47869/tcsj.72.4.6
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