STUDY ON THE EFFECT OF VIBRATION DUE TO PILE DRIVING BY EMPERICAL FORMULAS AND CONTINUOUS MONITORING
Research Team : Dr. Stefanus Diaz Alfi, Ricky Setiawan ST., MT., Andy Sugianto, ST., MT., Prof. Dr. Ir. Paulus P. Rahardjo, MSCE.
Year : 2018
Abstract : Pile driving using hydraulic hammer will induce large vibration so that the effects of pile driving needs to be analyzed to avoid building damage and malfunction of the sensitive device. This paper discusses a case study in South Sumatera, Indonesia regarding the effect of pile driving on a sensitive gas plant instrument and building surrounding the project area. The effect of vibration due to pile driving is calculated using empirical formulas (Attewel & Farmer, 1973 and J.M. Ko et al, 1990). However, there is correction factor of the empirical formulas that are dependent to soil types. Continuous monitoring has been carried out in the project area by using geophone sensors to measure vibrations and PDA (Pile Driving Analyzer) to measure actual energy of driving. Peak particle velocity (PPV) from empirical formulas are approaching PPV value from monitoring test at the same energy of pile driving. The results will be used to back analyse to modify the correction factor of the empirical formulas.
