| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of an internal angle part with excellent watertightness and design and easy to construct. SOLUTION: The structure 1 of the internal angle part has a joint treatment member 3 disposed at a joint part 17 between exterior wall panels 2 of the internal angle part. The exterior wall panels 2 are fastened to a structural frame 15 via a bed 14. The joint treatment member 3 comprises a base member 31 and a fitting member 32. The base member 31 has an abutting plate part 311, a center plate part 312, wall tongue parts 313, and elastic members 314. The base member has a fitting groove part 315 between the pair of wall tongue parts 313. The fitting member 32 has a surface joint forming part 321 and a tongue part 322. The back sides 22 of the exterior wall panels 2 are brought into intimate contact with the elastic members 314 and the tongue part 322 of the fitting member 32 is fitted into the fitting groove part 315. The surface joint forming part 321 of the fitting member is brought into intimate contact with the side end faces 23 of the exterior wall panels 2. The base member 31, the fitting member 32 and the exterior wall panels 2 together form a water channel 13.
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