نتایج جستجو برای: seismic soil
تعداد نتایج: 215959 فیلتر نتایج به سال:
During the 2002 seismic sequence in Molise (Italy), the town of Bonefro suffered moderate damage (IMCS VII) except for two reinforced concrete (RC) buildings. These buildings are located on soft sediments, close to each other and very similar in design and construction. The main difference is the height: the most damaged one (European Macroseismic Scale damage 4) has four stories, whereas the l...
Biot equations that consider fluid and soil interaction at the same time are the most applicable relationships in the soil dynamic analysis. However, in dynamic analysis, due to the sudden increase in the excess pore pressure caused by seismic excitation and the occurrence of high hydraulic gradients, the assumption of the Darcy flow used in these equations is questionable. In the present study...
A simple approach to slope stability analysis of naturally occurring, mild nonlinear slopes is proposed through extension of shear band propagation (SBP) theory. An initial weak zone appears in the steepest part of the slope where the combined action of gravity and seismic loads overcomes the degraded peak shear resistance of the soil. If the length of this steepest part is larger than the crit...
Location of floating piles is one of the main factors influencing on their optimal performance with respect to slope stability improvement. Many studies have been devoted to this concern using different analytical methods. Due to the importance of this issue in seismic conditions, still more studies are necessary and therefore, the location of floating piles has been investigated in this resear...
Iran is an active seismic region. Earthquake damage is commonly controlled by three interacting factors including source and path characteristics, local geological and geotechnical conditions and type of the structures. Obviously, all of this would require analysis and presentation of a large amount of geological, seismological and geotechnical data. In this paper, nonlinear geotechnical seismi...
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