| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for preventing cracks in a balcony, which is available in a reinforced concrete structure, in which at least a part of a beam-column frame is arranged outside an indoor space via the balcony. SOLUTION: In the reinforced concrete structure, in which at least a part of the beam-column frame is arranged outside an indoor space 11 via the balcony 15, external surfaces 13a, 14a of columns 13 and a beam 14 have a heat- shielding material or a heat-insulating material arranged thereon. Thus, by suppressing expansion of difference in temperature between the columns and beam, and the balcony, cracks in the balcony are prevented.
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