ABSTRACT
This chapter presents the geotechnical and geomorphological details along with the associated geological process of the Gujarat state. Gujarat comprises soils that are weathered from granite, gneissic and basaltic rocks. In general, the significant land of Gujarat has clayey soils with some coarser sand in the central part, loamy soils in the northern part and high plasticity clayey soils in the southern part. The sandy clay to clay exits as a major part in Kutch and Saurashtra regions. The alluvial deposit of silty sand is found in the riverside of Narmada. Based on the collected geotechnical data, the soil profile of several regions is illustrated with fence diagrams. The details of various geomaterials used to improve the foundation soils and the frequently used techniques like gabion wall, retaining wall with nailing to support the excavated soil for the construction of various geotechnical structures in difficult ground conditions, are also discussed. A few case studies, including the construction of the world’s tallest statue of Late Sardar Vallabhai Patel, the world’s largest lined irrigation Narmada canal and the Sardar Sarovar dam, are discussed in this chapter.
