Schleusener, Richard A., authorCivil Engineering Section, Colorado State University, publisher2019-09-172019-09-171962-11https://hdl.handle.net/10217/197962CER62RAS67.1 November 1962.Includes bibliographical references (page 8).Research conducted under National Science Foundation grant.technical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.HailText