COLUMN BASE STRUCTURE
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Sep 25, 2013
filing date -
Sep 25, 2013
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Abstract
In a column base structure provided with a column base portion in which a joint metal fitting arranged above a base concrete is fixed to an anchor bolt protruding upward from the base concrete, and a column member which is joined its lower end portion to an upper surface of the joint metal fitting, a design basis strength F1′ of the joint metal fitting is smaller than a design basis strength F2 of the column member, a bending bearing force of the column base portion is smaller than an index bending bearing force of the column member which is calculated by multiplying a bending bearing force of the column member by a value obtained by dividing the design basis strength F1′ by the design basis strength F2, and the column base portion yields before the column member according to an increase of the load applied to the column base structure.
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