Backfilling is a crucial aspect of construction projects, as it involves the process of refilling an excavated area with suitable material to provide support and stability. However, traditional backfill systems often involve the use of non-environmentally friendly materials such as sand, gravel, or concrete, which can have a negative impact on the environment.In recent years, there has been a growing emphasis on sustainable construction practices that prioritize environmental conservation and reduce carbon footprints. As a result, eco-friendly backfill systems have become increasingly popular in construction projects around the world. These systems aim to minimize the use of harmful materials and...