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TEMPORARY SUPPORT STRUCTURE FOR AXIAL FORCE OF EXISTING COLUMN AND METHOD FOR BASE ISOLATION WORK
TEMPORARY SUPPORT STRUCTURE FOR AXIAL FORCE OF EXISTING COLUMN AND METHOD FOR BASE ISOLATION WORK
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机译:既有柱轴向力的临时支撑结构及基础隔离方法
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摘要
PROBLEM TO BE SOLVED: To provide a temporary support structure for an axial force of an existing column capable of reducing the size and weight compared with the case of making it with a section steel, and supporting a large axial force applied to the existing column at the time of base isolation work.;SOLUTION: A temporary support structure of an axial force of an existing column 11 existing above the portion into which a base isolation device 20 of an existing building 10 is inserted, comprises a pair of coupling brackets 40 connected in a state in which a tensile force is applied by a PC steel rod 51 and the existing column 11 is sandwiched from both sides and the PC steel rod 51 passing through the outside in a direction orthogonal to the sandwiching direction of the existing column 11 is passed through a projecting portion 41d located on both outer portions in the direction orthogonal to the sandwiching direction. Each of the coupling brackets 40 comprises a plurality of concrete blocks 41 vertically coupled to each other, and each block 41 has a cutout portion 41b recessed toward the existing column 11 in the direction orthogonal to the sandwiching direction of the projecting portion 41d.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT
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