PROBLEM TO BE SOLVED: To precisely obtain a load share quantity to a beam even in a variety of floor shape. ;SOLUTION: In the method for analyzing the load share quantity the share quantity of a load q acting on a floor 2 at each beam 1 is obtained, making the floor 2 of a polygonal shape supported by a plurality of beams 1 as an object. A plain figure of the floor 2 is considered as a basic figure F. In the state assuming a first basic line L1 at each beam 1 position in the basic figure F, the load share quantity w of each beam 1 is obtained by calculating a load share range A for each beam 1 in the basic figure F by performing a prescribed share process, and by distributing the load q corresponding to the load share range A.;COPYRIGHT: (C)2003,JPO
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