Istijono , Bambang Istijono and Hakam, Abdul
(2015)
New Method for Liquefaction Assessment Based on Soil Gradation and Relative Density.
International Journal of Advance Research in Science and Engineering, 4
((01)).
pp. 87-93.
ISSN 2319-8354
Abstract
The liquefaction potential assessment in a soil deposit is an important aspect of earthquake engineering practice since its contribution to the safety of construction. The physical properties of sand soil that include grain size and density had known give effects to the liquefaction resistance. Those physical properties of sand soil associated to liquefaction resistance have been studied in laboratory. The new method as a results of that study is demonstrated here to assess the liquefaction potential. The example case is a real construction design of reclamation shore in order to develop a new port in Medan, Indonesia. Since the limitation of reclamation source material, it founds that the gradation of the ready use materials are suspect to liquefaction. Then, using the new methods, the solution to treat those material as part of the construction requirement. The treatment to be accomplished is compaction efforts to reach a certain relative density in order to avoid the possibility of liquefaction on site.
Keywords: Liquefaction, Earthquake, Grain size, Relative density, Reclamation
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