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- Title
Numerical and Experimental Analysis of Vibration Mitigation Using a Series of Hollow Boreholes.
- Authors
Bisui, Mukul; Chatterjee, Shashwata; Sarkar, Abir; Ralli, Rohit
- Abstract
Purpose: In recent years, rapid infrastructural development has significantly increased ground vibrations, primarily stemming from heavy traffic, construction-related activities, blasting and train operations. These vibrations, predominantly manifesting as surface (Rayleigh) waves, necessitate effective vibration isolation strategies. This study focuses on investigating the efficacy of employing hollow boreholes configured in a semicircular pattern as wave barriers to mitigate ground vibrations. Methods: The research combines experimental and numerical methods to evaluate the screening performance of these hollow boreholes. Utilizing ABAQUS, a comprehensive three-dimensional finite element analysis is conducted, employing a concrete block as a source of vibrations. Results: The study quantifies the amplitude reduction factor (Arf) for open trenches with varying geometries, considering factors such as the pick-up point's distance from the vibration source, trench depth and barrier-to-source distance. Conclusion: It can be inferred from the results that the ground-borne vibrations are successfully attenuated through boreholes with a normalized borehole depth value of 1.4 providing optimal screening efficiency.
- Subjects
BOREHOLES; NUMERICAL analysis; SOIL vibration; VIBRATION isolation; CONCRETE blocks
- Publication
Journal of Vibration Engineering & Technologies, 2024, Vol 12, Issue 3, p5089
- ISSN
2523-3920
- Publication type
Article
- DOI
10.1007/s42417-023-01181-3