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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![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).
No recovery
drilling process
Mechanical break caused by
0=7
L = 43 cm
L = 20 cm
EXIVE
longer than 10 cm
As no centering pieces
Core run total length 200 cm
0=7
L = 17 cm
1
L=38 cm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc08b7850-d05c-40b6-8569-53d3d836d745%2F57eeefbb-e5f7-42c8-9341-8a76a91d1d0a%2Fajh3mpn_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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).
No recovery
drilling process
Mechanical break caused by
0=7
L = 43 cm
L = 20 cm
EXIVE
longer than 10 cm
As no centering pieces
Core run total length 200 cm
0=7
L = 17 cm
1
L=38 cm
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