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Estimation of damping ratio of rock mass for numerical simulation of blast induced vibration propagation
- Authors
- Ahn, Jae-Kwang; Park, Duhee; Yoo, Jin-Kwon
- Issue Date
- Jan-2016
- Publisher
- Asian Regional Conference on Soil Mechanics and Geotechnical Engineering
- Keywords
- Attenuation relationship; Blast load; Numerical modeling; Peak particle velocity
- Citation
- 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015: New Innovations and Sustainability, v.2, no.45, pp.1589 - 1592
- Indexed
- SCOPUS
- Journal Title
- 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015: New Innovations and Sustainability
- Volume
- 2
- Number
- 45
- Start Page
- 1589
- End Page
- 1592
- Abstract
- Numerical evaluation of the effect of blast induced vibration on adjacent structures requires determination of the damping ratio. Selection of the dampring ratio for the rock mass is very difficult because it is heavily influenced by the joint layout. We propose a simple yet robust method to estimate the damping ratio of rock mass that fits the target attenuation curve. The damping ratio can be selected as functions of the shear wave velocity of the rock mass and the attenuation parameter of the target attenuation relationship.
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Related Researcher
- Park, Duhee
- COLLEGE OF ENGINEERING (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)