Enhancing Ground Support: Lime-Soil and Cement-Soil Columns

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In this chapter, the evolution and application of ground enhancements through lime-soil and cement-soil columns are explored, emphasizing their interaction with native soils, formation mechanisms, installation techniques, load behavior, and effectiveness in soft soil environments. It also presents an in-depth investigation into the chemical dynamics between soil particles and the binder's lime and cement, revealing how these interactions significantly improve soil strength, elasticity, and longevity. The chapter further dissects the processes of forming these soil columns, presenting a detailed guide on achieving a cohesive and robust load-bearing structure. Installation methodologies are critically analyzed, focusing on disseminating the importance of choosing appropriate methods to attain the desired outcomes in ground support. Additionally, the performance of lime-soil and cement-soil columns under varying loads is scrutinized to demonstrate their capacity to enhance load distribution and bearing capabilities. Special attention is given to their application in soft soil areas, highlighting their role in overcoming settlement challenges and boosting infrastructure stability. Key factors affecting the behavior and efficacy of these columns, such as binder concentration, soil typology, curing duration, and environmental conditions, are thoroughly discussed. This chapter contributes significant insights and empirical evidence to the civil engineering domain, advocating for the expanded use of lime-soil and cement-soil columns to tackle soft soil challenges and promote environmentally sustainable construction methodologies.