Field SPT collections are The main part of the wash-uninteresting soil sampling system. In this method, we penetrate the uninteresting factors up to the specified depth and rely the SPT values at each five feet depth approximately preferred SPT value. To collect the SPT value we connect a soil sampler, https://magical-healer78877.59bloggers.com/39992233/the-best-side-of-site-soil-investigation-bd