JP4373844B2 - 貫通孔を有する構造部材の補強構造及び補強材 - Google Patents
貫通孔を有する構造部材の補強構造及び補強材 Download PDFInfo
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- JP4373844B2 JP4373844B2 JP2004137110A JP2004137110A JP4373844B2 JP 4373844 B2 JP4373844 B2 JP 4373844B2 JP 2004137110 A JP2004137110 A JP 2004137110A JP 2004137110 A JP2004137110 A JP 2004137110A JP 4373844 B2 JP4373844 B2 JP 4373844B2
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- Prior art keywords
- opening
- hole
- reinforcing
- reinforcing bar
- structural member
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing Effects 0.000 title claims description 61
- 239000000463 material Substances 0.000 title claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 11
- 239000011433 polymer cement mortar Substances 0.000 claims description 10
- 230000001070 adhesive Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 2
- 239000004567 concrete Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Description
2,14 有孔梁(構造部材)
3,13 貫通孔
4,15 ポリマーセメントモルタル(接着性モルタル)
11,12 分割片
16 配管
20 開口付プレキャスト板
22 開口(プレキャスト板の)
Claims (7)
- 鉄筋コンクリート建築物の構造部材に対する後施工による補強構造であって、
貫通孔を有した構造部材におけるその貫通孔の開口端周囲に、前記構造部材中に埋め込まれている既設補強筋と同材料の開口補強筋を囲繞し、
前記貫通孔を塞がないように接着性モルタルで塗り込めたことを特徴とする補強構造。 - 前記接着性モルタルがポリマーセメントモルタル又はレジンモルタルである請求項1記載の補強構造。
- 前記接着性モルタルの塗り厚が10mm〜50mmである請求項2記載の補強構造。
- 前記開口補強筋が2以上の分割片からなる請求項1〜3のいずれか1項に記載の補強構造。
- 請求項4記載の補強構造に使用する開口補強筋であって、
一片が「く」字状の複数の分割片からなることを特徴とする開口補強筋。 - 鉄筋コンクリート建築物の構造部材に対する後施工による補強構造であって、
貫通孔を有した構造部材におけるその貫通孔の開口端周囲に、
前記貫通孔と連通させる開口を有するとともに、前記構造部材中に埋め込まれている既設補強筋と同材料の開口補強筋が前記開口を囲繞するように埋め込まれた開口付プレキャスト板を、
その開口が前記貫通孔と連通するようにして接着性モルタルで貼り付けたことを特徴とする補強構造。 - 請求項6記載の補強構造に使用するプレキャスト板であって、
補強対象の構造部材における貫通孔径に相応する径の開口をもち、
該開口を囲繞するようにして内部に開口補強筋を埋め込んであることを特徴とする開口付プレキャスト板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004137110A JP4373844B2 (ja) | 2004-05-06 | 2004-05-06 | 貫通孔を有する構造部材の補強構造及び補強材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004137110A JP4373844B2 (ja) | 2004-05-06 | 2004-05-06 | 貫通孔を有する構造部材の補強構造及び補強材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005320687A JP2005320687A (ja) | 2005-11-17 |
JP4373844B2 true JP4373844B2 (ja) | 2009-11-25 |
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JP2004137110A Active JP4373844B2 (ja) | 2004-05-06 | 2004-05-06 | 貫通孔を有する構造部材の補強構造及び補強材 |
Country Status (1)
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JP (1) | JP4373844B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5356010B2 (ja) * | 2008-12-24 | 2013-12-04 | ジェイ建築システム株式会社 | 基礎補強構造 |
JP5463181B2 (ja) * | 2010-03-29 | 2014-04-09 | 株式会社熊谷組 | 既存の建物の梁に貫通穴を設ける前に梁を補強する方法 |
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2004
- 2004-05-06 JP JP2004137110A patent/JP4373844B2/ja active Active
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JP2005320687A (ja) | 2005-11-17 |
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