INFLUENCE OF THE RANDOM ASPECT OF THE EXCITATION ON REINFORCED CONCRETE STRUCTURES

摘要

Our paper aims at understanding which parameter in the signal influences the response of the structure. The probabilistic calculations have been made with a non linear model of reinforced concrete.At first, we have study signals defined as series of sine functions with random phases. As the results didn't seems general because of the alternated character of the excitation, we choose another case radically different from the first one and we develop a method to generate signals with random pulses.The prediction of the response maximum from the acceleration one needs different analysis from one type of signals to the other.So, to generalize our results we have established abacus which make corresponding a response maximum to an acceleration one by changing a lot of parameters like the excitation level or the pulse duration.