Download or read book Succulent Flora of Southern Africa written by Doreen Court and published by CRC Press. This book was released on 2000-06-01 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide describes the stage by stage development of a new method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, Qtbm.The book also looks at logging methods and tunnel support design.