Research on Design of Turbine Generator Foundation in Nuclear Power Plants
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Abstract
Both the Code for design of dynamic machine foundation (GB 50040—1996) and Machine foundation DIN 4024 Part1 says, if unbalanced force has been provided by the machine manufacturer, they may be used to establish displacements and forces using the model formed to determine natural frequencies. In the absence of such information, the forces may be calculated in accordance with the relevant codes. However, during the process of a real dynamic foundation design, the unbalanced force determined by the method above may lead to a over vibrating foundation, with the foundation shape also provided by the manufacturer. This paper introduced a real design case, provide the right method the designer should make when he comes into such a problem.
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