JP5179970B2 - 木材強度評価方法及び構造物の改修診断方法 - Google Patents
木材強度評価方法及び構造物の改修診断方法 Download PDFInfo
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- JP5179970B2 JP5179970B2 JP2008168618A JP2008168618A JP5179970B2 JP 5179970 B2 JP5179970 B2 JP 5179970B2 JP 2008168618 A JP2008168618 A JP 2008168618A JP 2008168618 A JP2008168618 A JP 2008168618A JP 5179970 B2 JP5179970 B2 JP 5179970B2
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- wood
- compressive strength
- drill
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Description
22 ドリル(ドリル)
42 第1試験片(第1試験片)
44 第2試験片(第2試験片)
T 評価対象木材(評価対象木材)
Claims (2)
- ドリルを評価対象木材の互いに直交する2方向から交差しないように貫入させ、得られた2つの抵抗値を平均した平均抵抗値と、
予め得られている木材へのドリル貫入時の平均抵抗値と木材の圧縮強度値との関係式とに基づいて、評価対象木材の圧縮強度値を求める木材強度評価方法。 - 請求項1に記載の木材強度評価方法で得られた評価対象木材の圧縮強度値と、木材の基準圧縮強度値とを比較して、前記評価対象木材を備えた構造物の改修の要否を診断する構造物の改修診断方法。
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JP2008168618A JP5179970B2 (ja) | 2008-06-27 | 2008-06-27 | 木材強度評価方法及び構造物の改修診断方法 |
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JP2008168618A JP5179970B2 (ja) | 2008-06-27 | 2008-06-27 | 木材強度評価方法及び構造物の改修診断方法 |
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JP2010008258A JP2010008258A (ja) | 2010-01-14 |
JP5179970B2 true JP5179970B2 (ja) | 2013-04-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2739928C1 (ru) * | 2020-04-30 | 2020-12-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Способ экспресс-диагностики резонансных свойств древесины после долгого выдерживания в потолочной конструкции старых сооружений |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6165128B2 (ja) * | 2014-12-24 | 2017-07-19 | 住友林業株式会社 | 木材及び木質材料の硬さ試験器 |
JP2017078690A (ja) * | 2015-10-22 | 2017-04-27 | 株式会社竹中工務店 | 木造部材の密度算出方法、及び木造部材のヤング率算出方法 |
JP6851614B2 (ja) * | 2016-09-28 | 2021-03-31 | 株式会社コシイプレザービング | 被検木材の腐朽診断装置と該装置を用いた腐朽診断方法、及び木材設備の補修方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5399986A (en) * | 1977-02-10 | 1978-08-31 | Hitachi Koki Kk | Measuring apparatus for hardness of woods |
JPS6336274Y2 (ja) * | 1981-05-26 | 1988-09-27 | ||
JPS57197468A (en) * | 1981-05-29 | 1982-12-03 | Shimizu Constr Co Ltd | Wood strength measurer |
JPS5816542U (ja) * | 1981-07-24 | 1983-02-01 | 株式会社フジクラ | 硬度測定器 |
JPH074176A (ja) * | 1993-06-14 | 1995-01-10 | Hitachi Constr Mach Co Ltd | シールド工事における地山崩壊探査方法 |
JP3206482B2 (ja) * | 1997-03-27 | 2001-09-10 | 株式会社イナックス | 木材の診断方法及び木材の診断用接続材 |
JP3238682B2 (ja) * | 1999-03-15 | 2001-12-17 | 株式会社ナカジマ | 木材のプレカット方法および装置 |
JP3616814B2 (ja) * | 2000-07-19 | 2005-02-02 | 独立行政法人森林総合研究所 | 木質材料の内部強度推定方法とその装置 |
JP2002257700A (ja) * | 2001-02-27 | 2002-09-11 | Mitsubishi Heavy Ind Ltd | 木材劣化診断装置、及び、木材劣化診断方法 |
JP4170047B2 (ja) * | 2002-08-28 | 2008-10-22 | 前田建設工業株式会社 | 多種多様な土を盛土材として適用する時の事前評価方法及び改良方法 |
JP4076401B2 (ja) * | 2002-08-29 | 2008-04-16 | 前田建設工業株式会社 | 盛土の品質管理方法 |
JP3953435B2 (ja) * | 2003-03-20 | 2007-08-08 | 義久 藤井 | 木材腐朽評価方法および装置 |
JP2004294154A (ja) * | 2003-03-26 | 2004-10-21 | Taiheiyo Cement Corp | 湿式耐火被覆材層の健全度診断方法 |
JP3919015B2 (ja) * | 2004-08-11 | 2007-05-23 | 独立行政法人農業・食品産業技術総合研究機構 | 音響トモグラフィを用いた樹木内部の非破壊検査方法及び装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2739928C1 (ru) * | 2020-04-30 | 2020-12-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Способ экспресс-диагностики резонансных свойств древесины после долгого выдерживания в потолочной конструкции старых сооружений |
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