| 摘要 |
PROBLEM TO BE SOLVED: To provide a column base pin structure for actualizing ideal pin joint of the colum base of a SRC column to a foundation.SOLUTION: The lower end of a core steelwork 2 of a column 1 is fixed to a foundation 4 with anchor bolts 5, and the lower part of a covering concrete 3 of the column is connected to the foundation with joint elements 6 in the state of permitting the relative rotation in a vertical plane while constraining the relative displacement in the horizontal direction. The joint elements each consist of an upper part member 7 and a lower part member 8, and a bearing bolt 9 for connecting them. Through long holes 10 of both the upper part member and the lower part member, the bearing bolt is inserted to be fastened thereto, thus permitting the relative displacement in the vertical direction of the bearing bolt in the long holes to permit the relative rotation while constraining the relative displacement in the horizontal direction of the bearing bolt having shearing capacity. The upper part member and the lower part member are formed of a pair of CT shaped steels having the same cross-section shape and the same size. |
