Geotechnical parameters required for estimating the utmost allowable annular stress (Pmax) in horizontal directional drilling (HDD) in many cases are empirically determined dependant on the outcome within the normal penetration exam (SPT). Despite the advantages of SPT, its use in exercise may very well be complicated as the geotechnical parameters https://innovativedesign56654.blogsidea.com/38015342/the-best-side-of-soil-investigation-solutions-bangladesh