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Development of energy-efficient precast concrete panels: Enhancing thermal insulation for sustainable construction | ||
| International Journal of Nonlinear Analysis and Applications | ||
| مقالات آماده انتشار، اصلاح شده برای چاپ، انتشار آنلاین از تاریخ 09 دی 1404 اصل مقاله (2.24 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22075/ijnaa.2024.34853.5209 | ||
| نویسندگان | ||
| Alireza Mohtadi1؛ Mohammad Ghomeishi* 2؛ Ali Dehghanbanadaki3، 4 | ||
| 1Department of Architecture, Gheshm Branch, Islamic Azad University, Gheshm, Iran | ||
| 2Department of Architecture, Damavand Branch, Islamic Azad University, Tehran, Iran | ||
| 3Department of Civil Engineering, Damavand Branch, Islamic Azad University, Damavand, Iran | ||
| 4Research Center of Concrete and Soil, Damavand Branch, Islamic Azad University, Damavand, Iran | ||
| تاریخ دریافت: 05 خرداد 1403، تاریخ بازنگری: 24 مرداد 1403، تاریخ پذیرش: 30 مرداد 1403 | ||
| چکیده | ||
| Conventional concrete structures are often associated with low energy efficiency and considerable heat loss, contributing to significant environmental challenges. To improve thermal insulation performance and mitigate heat loss, the implementation of precast insulated walls is recommended. This study presents the development of a novel energy-efficient precast concrete panel (PCP). We investigated various combinations of selected materials, including air bubbles, nano microsilica compound (NMC), nano microsilica powder (NMP), and latex, to identify the optimal formulation. A total of 99 tests were conducted to evaluate the compressive strength of the samples. From these, 28 tests that demonstrated satisfactory compressive strength results were selected for thermal conductivity assessments at temperatures of 300 °C and 400 °C. The findings revealed that the optimal combination of 4% air bubbles and 13% NMC yielded the lowest thermal conductivities of 1.31 W/m·K and 1.20 W/m·K at 300 °C and 400 °C, respectively. These configurations exhibited improvement ratios of 7% and 15.5% compared to baseline tests. Moreover, the tests incorporating latex did not meet the thermal conductivity requirements. The optimal combinations identified in this study can be effectively applied in PCPs, leading to significant energy savings. It is anticipated that stakeholders in the green building industry will view these proposed PCPs as a viable energy-efficient solution for promoting sustainable and environmentally friendly construction practices. | ||
| کلیدواژهها | ||
| precast concrete panels؛ thermal insulation؛ energy efficiency | ||
| مراجع | ||
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