State-of-the-Art. Fault Rupture Propagation to the Ground Surface and Soil-Structure Interaction

Beschreibung

It is a fact that the permanent relative displacement of the ground is not considered in any seismic code all over the world, except for very long linear structures such as pipelines. This problem is currently considered to be beyond the capability of seismic design concept for structures in the earthquake engineering, although it must be dealt with somewhat. After earthquakes, some scientists from various disciplines say that “it was told before not to build the structures in this area since a fault or faults passed through it”. This statement is always encountered by the engineering community all over the world. If this advice is just followed any structure should not be built in seismically very active countries such as Turkey, Japan, Iran, Taiwan and the Western part of USA while the societies of these countries demand better living environments. Therefore, the engineering community must find the ways to be able to deal with the designing and building structures in active fault zones. It is well known that the earth’s crust is ruptured and contains numerous faults and various kinds of discontinuities, and it is almost impossible to find a piece of land without faults. During the construction of structures in seismically active countries such as tunnels, dams, roadways, railways, power transmission lines, bridges, elevated expressways etc, in most cases, it is almost impossible not to cross a fault or faults. Therefore, one of the most important goals of our work is how to identify which fault segments observed on ground surface will move or rupture during an earthquake, and to represent more understanding of the fault rupture propagation through the soil deposits and the interaction mechanisms with the structure (soil-structure-fault-interaction). Stavros A. Savidis

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Sameh Abu El Soud

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Bodenmechanik Earthquakes Erdbebeningenieurwesen Grundbau

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