Geotechnical parameters necessary for estimating the utmost allowable annular tension (Pmax) in horizontal directional drilling (HDD) will often be empirically determined depending on the final results within the standard penetration exam (SPT). Despite some great benefits of SPT, its use in exercise may be complicated given that the geotechnical parameters https://the-roov07390.blogrelation.com/37800397/not-known-details-about-soil-investigation-report-bangladesh