Using Ground Penetrating Radar (GPR) To Assess Concrete Pile Length – PART 2 by Dan Bigman | Nov 11, 2016 | Civil Engineering, Construction, Data Collection, Structural Engineering | 0 comments Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.