安全荷重域に関する研究2
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概要
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In this paper, the author is intended to report results of a study on the characteristics of the Safe-Domain of the rigid framed structure subjected to uniformly distributed load, continued from his paper, "A study on Safe-Domain, 1." which was published on studies on the behavior of Safe-Domain of the rigid framed structure under concentrated load and its design method. The method for making up Safe-Domain of the structures under uniformly distributed load is fundamentally equal to that of the structures under concentrated load. The only difference is that-virtual work equation for collapse mechanism in which there are plastic hinges on the members directly subjected to uniformly distributed load represents a group of straight lines which included parameters ξ and η etc. denoting the positions of plastic hinges. The boundary line of Safe-Domain can get from group of straight lines, if ξ and η are so decided that they fulfil the condition of "Statically Admissible". A way to fulfil the above condition is as follows: After partially differentiating virtual work equation with respect to ξ and η, respectively, then we can get the values of ξ and η, and put these values into the original virtual work equation for collapse mechanism. And it is needed check other members. The demonstration of this method are given in this paper as a theoaem. And other theorems indicating the behavior of the Safe-Domain of the fa-emed structure subjected to uniformly distributed load are demonstrated also. These theorem are adaptable for any type of distributed load also.
- 琉球大学農家政学部の論文