The book "Study of Nuclear Density Gauge for Compaction Measure" offers a comprehensive analysis of the application of the Nuclear Density Gauge tool for measuring compaction. It compares this modern method with traditional techniques such as the sand cone method, the core cutter, and the LWD (Light Weight Deflectometer), highlighting the advantages of nuclear measurement. This work is particularly significant for professionals in the fields of geotechnics and road construction, as it provides useful information for both students and engineers. The use of the Nuclear Density Gauge allows for a quick and precise determination of in-situ densities and moisture content, significantly enhancing efficiency in quality control (QA/QC). The book is a valuable resource for anyone involved in compaction measurements and looking to understand the benefits of modern technologies in practice.