This study investigated the compaction characteristics of laterite soil stabilized with waste chip tires and lime for sustainable road construction in Thailand. Laterite soil, which is commonly used in road construction, has a low bearing capacity and requires stabilization. Chip tires obtained from the mechanical breakdown of waste tires were incorporated into laterite soil along with lime as a traditional binder. The experimental setup involved mixing varying proportions of chip tires (5–20%) and lime (6%) with laterite soil. Standard compaction tests were conducted to determine the optimal moisture content (OMC) and maximum dry unit weight (MDUW) of stabilized soil mixtures. The results showed that increasing the amounts of chip tires and lime led to higher OMC and lower MDUW values. The utilization of waste chip tires in laterite soil stabilization not only improves the soil’s engineering properties, but also addresses the environmental challenges associated with tire disposal. Furthermore, this approach reduces reliance on conventional road construction materials such as crushed rock, which is becoming scarce in Thailand. This study presents an innovative solution that combines pavement engineering with waste management to promote sustainable development of Thailand’s road infrastructure. The findings of this study provide valuable insights into the preparation of samples in subsequent stages of research on laterite soil stabilization using waste chip tires and lime.

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Moisture-Density Relationship of Laterite Soil Stabilized with Waste Chip Tires

  • Yousong Lim,
  • Amin Eisazadeh

摘要

This study investigated the compaction characteristics of laterite soil stabilized with waste chip tires and lime for sustainable road construction in Thailand. Laterite soil, which is commonly used in road construction, has a low bearing capacity and requires stabilization. Chip tires obtained from the mechanical breakdown of waste tires were incorporated into laterite soil along with lime as a traditional binder. The experimental setup involved mixing varying proportions of chip tires (5–20%) and lime (6%) with laterite soil. Standard compaction tests were conducted to determine the optimal moisture content (OMC) and maximum dry unit weight (MDUW) of stabilized soil mixtures. The results showed that increasing the amounts of chip tires and lime led to higher OMC and lower MDUW values. The utilization of waste chip tires in laterite soil stabilization not only improves the soil’s engineering properties, but also addresses the environmental challenges associated with tire disposal. Furthermore, this approach reduces reliance on conventional road construction materials such as crushed rock, which is becoming scarce in Thailand. This study presents an innovative solution that combines pavement engineering with waste management to promote sustainable development of Thailand’s road infrastructure. The findings of this study provide valuable insights into the preparation of samples in subsequent stages of research on laterite soil stabilization using waste chip tires and lime.