Abstract
The aim of the work is to acquire the answer for a question if, and to what extent the dynamic excitation forced by underground movement of metro carts or another vibration source impacts the condition of the existing building. To get that assessment, a corresponding numerical model of the tunnel and soil and the structure is created. As input, the acceleration response spectrum computed for the Gulf of Aquaba earthquake is used, as well as the quasi-static axle loading of typical metro carts. The output is shown as the time-history response of the ground-level nodes that will later be used to assess the influence of vibrations with the help of Ciesielski (SWD) scales.
Highlights
Construction of new metro lines, as well as the exploatation of existing ones may have undesirable effects on the condition of nearby buildings and infrastructure
Vibrations caused by the construction works and movement of metro carts lead to kinematic excitation of a structure
One instance of a building like that is a property located in Great Cairo, Egypt at Nazih Khalifa street of Heliopolis
Summary
Construction of new metro lines, as well as the exploatation of existing ones may have undesirable effects on the condition of nearby buildings and infrastructure. Vibrations caused by the construction works and movement of metro carts lead to kinematic excitation of a structure. Such movement of building components results in additional forces which existing building may not have been designed to bear. One instance of a building like that is a property located in Great Cairo, Egypt at Nazih Khalifa street of Heliopolis. It was erected around year 1920 and is at the time the office of Polish Centre of Mediterranean Archeology of the University of Warsaw. Due to problems with water leakages and corrosion of steel sections on which the slabs are supported, additional dynamic forces originating either from metro line or another earthquake may even lead to the destruction of the constructional elements of the house
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