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Geophysical Investigation of Solid Waste Dumpsite at Ballouneh in Lebanon
This paper presents a dynamic analysis of a dump located in Ballouneh, Lebanon, using geophysical investigation. The dump location on a steep slope is situated above groundwater reservoir known as the Jeita Grotto. This reservoir is one of the potable water sources for the city of Beirut. It feeds the Dbayeh treatment station. The dump is still active, and leachate is expected to infiltrate to the reservoir due to the karstic properties of rock. This investigation aims at characterizing the dynamic properties of waste, in an effort to use nondestructive testing (NDT) for measuring depth of waste. The resonance frequency and boundaries of waste are obtained with the horizontal to vertical spectral ratio technique (HVSR) applied to seismic ambient noise. Several tests are performed to find the frequencies at different positions of the dump and to try to locate the limit between waste material and bedrock. The volume of waste materials is then obtained. Spectral analysis of surface waves (SASW) tests are performed to estimate the average shear wave velocity of the site. Finally, results are validated using simulations based on finite element method.
Geophysical Investigation of Solid Waste Dumpsite at Ballouneh in Lebanon
This paper presents a dynamic analysis of a dump located in Ballouneh, Lebanon, using geophysical investigation. The dump location on a steep slope is situated above groundwater reservoir known as the Jeita Grotto. This reservoir is one of the potable water sources for the city of Beirut. It feeds the Dbayeh treatment station. The dump is still active, and leachate is expected to infiltrate to the reservoir due to the karstic properties of rock. This investigation aims at characterizing the dynamic properties of waste, in an effort to use nondestructive testing (NDT) for measuring depth of waste. The resonance frequency and boundaries of waste are obtained with the horizontal to vertical spectral ratio technique (HVSR) applied to seismic ambient noise. Several tests are performed to find the frequencies at different positions of the dump and to try to locate the limit between waste material and bedrock. The volume of waste materials is then obtained. Spectral analysis of surface waves (SASW) tests are performed to estimate the average shear wave velocity of the site. Finally, results are validated using simulations based on finite element method.
Geophysical Investigation of Solid Waste Dumpsite at Ballouneh in Lebanon
Abdel Massih, Dalia Youssef (author) / Harb, Jacques (author) / Cornou, Cecile (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 2062-2071
2014-02-24
Conference paper
Electronic Resource
English
Geophysical Investigation of Solid Waste Dump Site at Ballouneh in Lebanon
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