JP4416639B2 - 既存外装壁の耐震改修構造 - Google Patents
既存外装壁の耐震改修構造 Download PDFInfo
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- JP4416639B2 JP4416639B2 JP2004371720A JP2004371720A JP4416639B2 JP 4416639 B2 JP4416639 B2 JP 4416639B2 JP 2004371720 A JP2004371720 A JP 2004371720A JP 2004371720 A JP2004371720 A JP 2004371720A JP 4416639 B2 JP4416639 B2 JP 4416639B2
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Description
図1、図2は本発明に係る既存外装壁の耐震改修構造の一例を示す断面図であり、図3(a)、(b)に示すように既存木造住宅Aの隅角部αの部分の断面図である。すなわち、本発明に係る既存外装壁の耐震改修構造は既存木造住宅Aの4隅の隅角部αに新たに下地を形成し、新規外壁を全面に形成することにより耐震性を強化することができる改修構造である。図1、図2において、既存木造住宅Aは主柱1、間柱2、図示しないが梁、土台、筋かい、胴差し、ぬき、断熱材(例えば、グラスウール等)等よりなり、内装側に内装壁3、外装側に既存外装材4を形成した軸組構造のものである。なお、図1は既存外装材4を胴縁5を介して固設した通気構造の既存木造住宅Aで、図2は主柱1、間柱2上に直接既存外装材4を固設した既存住宅Aである。
図9、図10は本発明に係る既存外装壁の耐震改修構造の実施例2を示す説明図であり、実施例1とは新規外壁Bの構造が異なるものである。すなわち既存木造住宅Aの隅角部αの既存外装材4を除去し、補強間柱11、隅金物13、構造用面材14を固定具12にて配設する構造は実施例1と同じである。
B 新規外壁
α 隅角部
1 主柱
1a 隅柱
2 間柱
3 内装壁
4 既存外装材
5 胴縁
6 土台
7 梁
8 軒天
11 補強間柱
12 固定具
13 隅金物
14 構造用面材
15 合板
21 胴縁
22 新規外装材
23 防虫網
24 断熱材
25 繊維系断熱材
Claims (1)
- 軸組工法で建築された既存木造住宅の4隅の隅角部からそれぞれの特定の間柱間において、既存外装材の端部が主柱又は間柱上で固定された部分を残した位置で既存外装材が除去され、隅角部の隅柱と、間柱の隅角部側に固定された補強間柱の各々の上下端に角金物が固定されていると共に、前記既存外装材が除去された隅柱と補強間柱と土台と桁とからなる面に新規の構造用面材が固定され、さらに、4隅の隅角部の構造用面材とその間の既存外装材上に形成された新規外壁からなることを特徴とする既存外装壁の耐震改修構造。
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JP2004371720A JP4416639B2 (ja) | 2004-12-22 | 2004-12-22 | 既存外装壁の耐震改修構造 |
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JP2004371720A JP4416639B2 (ja) | 2004-12-22 | 2004-12-22 | 既存外装壁の耐震改修構造 |
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JP2006177058A JP2006177058A (ja) | 2006-07-06 |
JP4416639B2 true JP4416639B2 (ja) | 2010-02-17 |
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JP2004371720A Active JP4416639B2 (ja) | 2004-12-22 | 2004-12-22 | 既存外装壁の耐震改修構造 |
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Families Citing this family (1)
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JP5603530B2 (ja) * | 2006-08-01 | 2014-10-08 | 日鉄住金鋼板株式会社 | 既存外壁の改修構造 |
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