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Problem
Rice University was preparing for extensive construction and landscaping projects in its Academic Quadrangle. Geotechnical assessments revealed that the existing soil was unstable and lacked the necessary load-bearing capacity to support these projects. The soil exhibited high plasticity and was prone to erosion and settlement, posing significant risks to the stability and integrity of future structures. Without proper stabilization, the potential for soil failure was high, which could result in structural damage and increased maintenance costs. To ensure the long-term stability and durability of the site, Rice University required an effective soil stabilization solution to enhance the soil's strength and resilience.
Solution
- Preparation: Cleared debris and vegetation from the site. Leveled the soil surface for even slurry application
- Application of Lime Slurry: Prepared a mixture of lime and water to form the slurry. Evenly spread 19 tons of lime slurry across the designated area
- Mixing: Thoroughly mixed the lime slurry with the soil using manual tools and mechanical equipment
- Moisture Control: Carefully controlled and adjusted moisture content to support the necessary chemical reactions
- Compaction: Compacted the mixed soil using heavy machinery to increase density and load-bearing capacity
- Curing: Allowed the soil to cure, facilitating the chemical reactions between the lime and soil
Results
The lime slurry soil stabilization process successfully transformed the unstable soil in the Academic Quadrangle at Rice University into a stable, durable foundation. The project achieved the following outcomes:
- Increased Load-Bearing Capacity: The soil's ability to support heavy construction equipment and structures was significantly enhanced.
- Reduced Plasticity: The soil became less prone to swelling and shrinking with moisture changes, ensuring greater stability.
- Improved Workability: The treated soil was easier to work with, facilitating smoother construction and landscaping activities.
- Enhanced Durability: The stabilized soil exhibited greater resistance to environmental stresses, ensuring long-term stability and durability.
Conclusion
Terratek Services Group's lime slurry soil stabilization method provided Rice University with a reliable and effective solution for stabilizing the soil in their quad. This project demonstrated the importance of thorough site preparation, precise application, and diligent monitoring in achieving successful soil stabilization. The results highlight Terratek’s expertise in delivering customized solutions for complex soil stabilization challenges.
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