This study investigated a partial replacement of clay by additives for bricks. The purified clay mixed with different volume percentage of additives (Asphalt and Straw from agricultural waste) as separate and both to cast as bricks with the standard dimensions of 18.5 × 8.5 × 6.5 cm3. Cylindrical pellets casted with the dimensions of average diameter of 40 mm and thicknesses about 2.5 ± 0.2mm. The casted bricks and pellets are air dried in open atmosphere for 8-10 days. These bricks and pellets are fired for three days, at the end of three days kiln is allowed to cool to reach room temperature. The sample bricks are tested for compressive strength and water absorption; pellets are tested for thermal conductivity and electrical conductivity. From the obtained results, it has concluded that the compressive strength slightly increased against density of the bricks. A moderate decrement observed in the water absorption against density of the samples and compressive strength weakens with the increment of water absorption of the samples. Improved electrical conductivities of the samples with additives appears change in electrical properties from insulating to semiconducting. Thermal conductivity values of the samples with additives are climb against the 100% clay sample. The result shows that the greatest thermal conductivity of 0.905 Wm-1K was obtained for 85% Clay / 5% Straw / 10% Asphalt sample. The additives enhance porosity and heat contact through the samples. The values obtained and with reference to the graphs plotted, can be concluded that the 90% Clay / 5% Straw / 5% Asphalt sample is superior among the samples.
| Published in | Composite Materials (Volume 2, Issue 1) |
| DOI | 10.11648/j.cm.20180201.14 |
| Page(s) | 26-31 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Clay, Asphalt, Straw, Compressive Strength, Water Absorption, Electrical Conductivity, Thermal Conductivity
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APA Style
Sitpalan Ahilan, Dharani Sandunika Abeysinghe, Kolitha Fernando, Thilini Priyadarshi Herath. (2019). High Performance Bricks from Straw and Asphalt. Composite Materials, 2(1), 26-31. https://doi.org/10.11648/j.cm.20180201.14
ACS Style
Sitpalan Ahilan; Dharani Sandunika Abeysinghe; Kolitha Fernando; Thilini Priyadarshi Herath. High Performance Bricks from Straw and Asphalt. Compos. Mater. 2019, 2(1), 26-31. doi: 10.11648/j.cm.20180201.14
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Download@article{10.11648/j.cm.20180201.14,
author = {Sitpalan Ahilan and Dharani Sandunika Abeysinghe and Kolitha Fernando and Thilini Priyadarshi Herath},
title = {High Performance Bricks from Straw and Asphalt},
journal = {Composite Materials},
volume = {2},
number = {1},
pages = {26-31},
doi = {10.11648/j.cm.20180201.14},
url = {https://doi.org/10.11648/j.cm.20180201.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cm.20180201.14},
abstract = {This study investigated a partial replacement of clay by additives for bricks. The purified clay mixed with different volume percentage of additives (Asphalt and Straw from agricultural waste) as separate and both to cast as bricks with the standard dimensions of 18.5 × 8.5 × 6.5 cm3. Cylindrical pellets casted with the dimensions of average diameter of 40 mm and thicknesses about 2.5 ± 0.2mm. The casted bricks and pellets are air dried in open atmosphere for 8-10 days. These bricks and pellets are fired for three days, at the end of three days kiln is allowed to cool to reach room temperature. The sample bricks are tested for compressive strength and water absorption; pellets are tested for thermal conductivity and electrical conductivity. From the obtained results, it has concluded that the compressive strength slightly increased against density of the bricks. A moderate decrement observed in the water absorption against density of the samples and compressive strength weakens with the increment of water absorption of the samples. Improved electrical conductivities of the samples with additives appears change in electrical properties from insulating to semiconducting. Thermal conductivity values of the samples with additives are climb against the 100% clay sample. The result shows that the greatest thermal conductivity of 0.905 Wm-1K was obtained for 85% Clay / 5% Straw / 10% Asphalt sample. The additives enhance porosity and heat contact through the samples. The values obtained and with reference to the graphs plotted, can be concluded that the 90% Clay / 5% Straw / 5% Asphalt sample is superior among the samples.},
year = {2019}
}
TY - JOUR T1 - High Performance Bricks from Straw and Asphalt AU - Sitpalan Ahilan AU - Dharani Sandunika Abeysinghe AU - Kolitha Fernando AU - Thilini Priyadarshi Herath Y1 - 2019/01/22 PY - 2019 N1 - https://doi.org/10.11648/j.cm.20180201.14 DO - 10.11648/j.cm.20180201.14 T2 - Composite Materials JF - Composite Materials JO - Composite Materials SP - 26 EP - 31 PB - Science Publishing Group SN - 2994-7103 UR - https://doi.org/10.11648/j.cm.20180201.14 AB - This study investigated a partial replacement of clay by additives for bricks. The purified clay mixed with different volume percentage of additives (Asphalt and Straw from agricultural waste) as separate and both to cast as bricks with the standard dimensions of 18.5 × 8.5 × 6.5 cm3. Cylindrical pellets casted with the dimensions of average diameter of 40 mm and thicknesses about 2.5 ± 0.2mm. The casted bricks and pellets are air dried in open atmosphere for 8-10 days. These bricks and pellets are fired for three days, at the end of three days kiln is allowed to cool to reach room temperature. The sample bricks are tested for compressive strength and water absorption; pellets are tested for thermal conductivity and electrical conductivity. From the obtained results, it has concluded that the compressive strength slightly increased against density of the bricks. A moderate decrement observed in the water absorption against density of the samples and compressive strength weakens with the increment of water absorption of the samples. Improved electrical conductivities of the samples with additives appears change in electrical properties from insulating to semiconducting. Thermal conductivity values of the samples with additives are climb against the 100% clay sample. The result shows that the greatest thermal conductivity of 0.905 Wm-1K was obtained for 85% Clay / 5% Straw / 10% Asphalt sample. The additives enhance porosity and heat contact through the samples. The values obtained and with reference to the graphs plotted, can be concluded that the 90% Clay / 5% Straw / 5% Asphalt sample is superior among the samples. VL - 2 IS - 1 ER -
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