Research and technology - earthquake protection

Development of an optimized earthquake protection for buildings in the region Adapazari/Turkey

As ground shock as a consequence of earthquakes, traffic or railways are broad-banded excitations, the vibration amplitudes of an elastically installed vibratory system (a machine or a building) are reinforced with the natural insulation frequency. The reinforcements of the vibrations with the installation frequency are inevitable. However, they can be limited with relatively high damping.

In the framework of the research project a spatially acting earthquake protection for the region Adapazari (largest industrial area in Turkey) shall be developped considering the regional characteristics of the earthquakes by using the basic materials of ISOLOC and by combining with special bearings as earthquakes show regionally different frequency characteristics. The vibration movements and dynamic loads of a building to be protected shall be calculated by using the FE-method. The efficiency of the earthquake protection to be developped shall be verified experimentally at a laboratory model.

Aim of the research

Development of an optimized earthquake protection for a building in the region Adapazari/Turkey. The earthquake protection has to be spatially efficient. Furthermore, an insulation element with dynamic characteristics depending on the frequency has to be developped for this earthquake protection. By developping new insulation elements with characteristics depending on the frequency it has to be achieved that the reinforcements of the natural insulation frequency remains as low as possible whereas the insulation grade is like in the undamped case.

With help of the earthquake protection to be developped both the vibration movements and the dynamic loads of the building in the region Adapazari/Turkey - and also other regions in the world that bear the risk of earthquakes - have to be reduced so that the maximum strength in the building structure is not exceeded by a typical earthquake in the region Adapazari.