Sieve analysis is a method used to determine the particle size distribution of a granular material. This process involves passing the material through a series of sieves with different mesh sizes, allowing for the separation of particles based on their size. The results help in understanding the composition and characteristics of materials like soil, sand, and aggregates. The data obtained from sieve analysis is often presented in a particle size distribution curve, which illustrates the percentage of material retained on each sieve. This information is crucial in various fields, including civil engineering, geology, and construction, as it influences material selection and performance.