subject The schematic diagram shown below represents a rock core with total length of core bitand the length of each sound piece of rock. Calculate the rock quality designation (RQD).No recoverydrilling processMechanical break caused by0=7L = 43 cmL = 20 cmEXIVElonger than 10 cmAs no centering piecesCore run total length 200 cm0=7L = 17 cm1L=38 cm

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The schematic diagram shown below represents a rock core with total length of core bit and the length of each sound piece of rock. Calculate the rock quality designation (RQD). drilling process Mechanical break caused by No recovery L=0 L = 43 cm L = 20 cm EXIVE longer than 10 cm As no centering pieces L=0 Core run total length 200 cm L = 17 cm 1 L 38 cm

The schematic diagram shown below represents a rock core with total length of core bit and the length of each sound piece of rock. Calculate the rock quality designation (RQD). drilling process Mechanical break caused by No recovery L=0 L = 43 cm L = 20 cm EXIVE longer than 10 cm As no centering pieces L=0 Core run total length 200 cm L = 17 cm 1 L 38 cm

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter17: Subsoil Exploration

Section: Chapter Questions

Problem 17.15P

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