Determine the depth to bedrock for a dam site investigation. Determine the velocity of the overburden and the bedrock. Geophone 1 is 20m from the shot point and each geophone is 20m from the next. (A) Critical distance. .m? (B) Velocity of overburden..m/s? (C) Velocity of bedrock..m/s? (D) Depth to bedrock..m? Geophone 1st Arrival time (seconds) 1 0.015 2 0.031 0.046 4 0.062 0.077 0.089 7 0.094 8. 0.099 9. 0.105 10 0.110 11 0.115 12 0.121

Determine the depth to bedrock for a dam site investigation. Determine the velocity of the overburden and the bedrock. Geophone 1 is 20m from the shot point and each geophone is 20m from the next. (A) Critical distance. .m? (B) Velocity of overburden..m/s? (C) Velocity of bedrock..m/s? (D) Depth to bedrock..m? Geophone 1st Arrival time (seconds) 1 0.015 2 0.031 0.046 4 0.062 0.077 0.089 7 0.094 8. 0.099 9. 0.105 10 0.110 11 0.115 12 0.121

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter15: Slope Stability

Section: Chapter Questions

Problem 15.3P

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