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Ibrahim, K., Khodary, S. (2014). EFFECT OF ADDING DOWNSTREAM BERMS ON SEISMIC MITIGATION OF EMBANKMENTS. JES. Journal of Engineering Sciences, 42(No 2), 317-324. doi: 10.21608/jesaun.2014.114732
Kamal Mohamed Hafez Ismail Ibrahim; Safia Mohamed Khodary. "EFFECT OF ADDING DOWNSTREAM BERMS ON SEISMIC MITIGATION OF EMBANKMENTS". JES. Journal of Engineering Sciences, 42, No 2, 2014, 317-324. doi: 10.21608/jesaun.2014.114732
Ibrahim, K., Khodary, S. (2014). 'EFFECT OF ADDING DOWNSTREAM BERMS ON SEISMIC MITIGATION OF EMBANKMENTS', JES. Journal of Engineering Sciences, 42(No 2), pp. 317-324. doi: 10.21608/jesaun.2014.114732
Ibrahim, K., Khodary, S. EFFECT OF ADDING DOWNSTREAM BERMS ON SEISMIC MITIGATION OF EMBANKMENTS. JES. Journal of Engineering Sciences, 2014; 42(No 2): 317-324. doi: 10.21608/jesaun.2014.114732

EFFECT OF ADDING DOWNSTREAM BERMS ON SEISMIC MITIGATION OF EMBANKMENTS

Article 3, Volume 42, No 2, March and April 2014, Page 317-324  XML PDF (202.08 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2014.114732
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Authors
Kamal Mohamed Hafez Ismail Ibrahim1; Safia Mohamed Khodary2
1Assoc. Prof., Civil Engineering Dep., Suez Canal University, Egypt
2Post Graduate Student, Aswan University, Egypt
Abstract
This paper investigates the performance of embankments subjected to seismic loading. Finite
element analysis using Plaxis dynamic software program was carried out to evaluate the crest
settlement of a dense sand embankment on rock foundation before and after adding downstream
berms. Undraind analysis is carried out using Mohr-Coulomb criteria. The numerical intensities are
close to previous studies and the results show that the best embankment performance is when the
berm is added in downstream at height equals to half of the embankment total height. The
downstream berm slope has no significant effect on crest settlement for slopes less than 1.5H: 1V. It
is also found that when adding two downstream berms, the best mitigation is obtained when the top < br />berm is at two third the embankment and the bottom berm is added at one third the total
embankment height.
Keywords
Seismic mitigation; Downstream Berms; Finite Element; Crest settlement
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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