JP4895830B2 - 軽量気泡コンクリート水平部材の劣化診断方法 - Google Patents
軽量気泡コンクリート水平部材の劣化診断方法 Download PDFInfo
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- 軽量気泡コンクリート水平部材のコア抜きサンプリングを行うことにより、サンプルを得るステップと、該サンプルの化学分析により、全カルシウム含有量(質量%)および三酸化硫黄含有量(質量%)を測定して、全カルシウム含有量(質量%)−三酸化硫黄含有量(質量%)×56/80の式で得られる反応カルシウム含有量(質量%)を算出するステップと、該サンプルの熱分析による600〜850℃における質量減少量である炭酸ガス含有量(質量%)を測定して、(炭酸ガス含有量(質量%)−1)/(反応カルシウム含有量(質量%)×44/56−1)×100の式で得られる炭酸化度(%)を算出するステップとを含み、
前記炭酸化度(%)が20%以下の場合には、劣化レベルが「健全」であると診断し、前記炭酸化度(%)が20%を超え35%以下の場合には、劣化レベルが「要注意」であると診断し、前記炭酸化度(%)が35%を超え50%以下の場合には、劣化レベルが「補修必要」であると診断し、前記炭酸化度(%)が50%を超える場合には、劣化レベルが「補強必要もしくは交換必要」であると診断することを特徴とする軽量気泡コンクリート水平部材の劣化診断方法。
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JP2007008430A JP4895830B2 (ja) | 2007-01-17 | 2007-01-17 | 軽量気泡コンクリート水平部材の劣化診断方法 |
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JP2007008430A JP4895830B2 (ja) | 2007-01-17 | 2007-01-17 | 軽量気泡コンクリート水平部材の劣化診断方法 |
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JP4895830B2 true JP4895830B2 (ja) | 2012-03-14 |
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JP5333775B2 (ja) * | 2009-12-24 | 2013-11-06 | 住友金属鉱山シポレックス株式会社 | 軽量気泡コンクリート水平部材の劣化診断方法 |
JP6150659B2 (ja) * | 2013-08-08 | 2017-06-21 | 大和ハウス工業株式会社 | 屋根の劣化判定方法 |
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JP3451616B2 (ja) * | 1998-12-14 | 2003-09-29 | 住友金属鉱山株式会社 | 軽量気泡コンクリートの耐久性診断方法 |
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