Abstract
We consider the optimum distribution of the yield shearing force coefficient, in the based on the distribution of the ductility factor in this paper. That is, we shows the relation between the yield shearing force coefficient ratio in the upper story to lower story and the corresponding ductility factor ratio for the four kind of multistories buildings (25, 15, 8, 5-stories building) and the spring constant ratio in plastic range (k_p) to elastic range (k_e)n_r=(1-k_p/k_e)=1.0, n_r=0.75. From this study, we are deduced as follows : 1) We consider the distribution of the yield shearing force conefficient in concerned with the distribution of ductility factor, and we find that the yield shearing force coefficient ratio between the top and the first story is almost φ=2 times for the three type of the distribution of the ductility factor (see the equation (7)), and the distribution of the yield shearing force coefficient is the expenential type. 2) When the ductility factor ratio in the top to the first increases, the corresponding yield shearing force ratio decreases in concering with the spring constant ratio in plastic range to elastic range (n_r). 3) We confirm that the preceding conjecture is the correct fact by means of the some examples in the case that the ductility factor of case story to be equal.
