Abstract
The waste generated by brick industries in many countries around the world is increasing significantly with the continuous expansion of urbanization and industrialization, and as a result, more environmental and financial problems are brought about. The waste material out of bricks production could be used as a stabilizing material for high-plasticity silt (MH) that has caused damage to different roads and buildings. This study aimed to investigate the effect of waste brick powder (WBP) on stabilizing high-plasticity silt and reduce the influence of WBP on the environment. An experimental study was performed to evaluate the effects of WBP on the geotechnical properties of MH soil. Atterberg limits, compaction characteristics, specific gravity, free swelling, unconfined compressive strength (UCS), California bearing ratio (CBR), and permeability were performed for natural and stabilized soil at different ratios (6%, 12%, 18%, 24%, and 30% by dry weight of the soil sample) of WBP. The test results showed that liquid limit, plastic limit, plasticity index, linear shrinkage, free swelling, and the coefficient of permeability are decreased by adding WBP, whereas specific gravity, maximum dry density, UCS, and CBR are increased by adding WBP.
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