$2\mathrm{.}11$different soil types affect the stability of building foundations, and what methods can be employed to mitigate potential risks? Discuss the key factors influencing soil mechanics and their implications for civil engineering projects. Explain the concept of load$-$bearing capacity in structures and how it relates to soil composition. Explore common techniques used in soil stabilization and their effectiveness in ensuring structural integrity. Analyze the role of soil testing in construction planning and the importance of accurate site assessments."