Key Soil Factors in HDD Success
Soil performance in Horizontal Directional Drilling (HDD) is influenced by factors such as soil grain properties and particle size distribution. These elements are critical in determining whether a stable borehole can be maintained and whether cuttings can be effectively removed. Proper interpretation of subsurface data from boring logs is essential for HDD, particularly when evaluating the soil's ability to support an open hole or fluid condition. The Unified Soil Classification System (USCS) is used to categorize soils, not rocks, into two main groups, providing a foundation for analyzing soil behavior during the HDD process.