粒経加積曲線を用いた液状化危険度の定量化

概要

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The studies of liquefaction have been developing rapidly since The Niigata Earthquake and The Alaska Earthquake which brought about great damage to foundations and structures. Some estimate methods of liquefaction have already been proposed. In the present report, paying attention to the fact that liquefaction is closely connected not only to the states of sand but also to its properties, we determined quantitatively the liquefaction potential using the grain size accumulation curve. Therefore, we sampled the sand of drainage systems of the Kiso, the Nagara and the Ibi river, and then tested the Physical properties of these samples, especially the grain size analysis, and considered the grain size distribution. As a result, it has been proved that the danger of liquefaction depends greatly on the slope of river bed, the confluence and so on of the three rivers through the Nobi plains, which are the Kiso, the Nagara and the Ibi river.
岐阜工業高等専門学校の論文
1993-03-01