| 研究生: |
巫柏蕙 Po-huei Wu |
|---|---|
| 論文名稱: |
港灣混凝土構造物鹼質與粒料反應檢測方法評估研究 |
| 指導教授: |
李釗
Chau Lee |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 畢業學年度: | 89 |
| 語文別: | 中文 |
| 論文頁數: | 103 |
| 中文關鍵詞: | 鹼質與粒料反應 、檢測方法 、醋酸鈾螢光法 、雙染色法 |
| 外文關鍵詞: | alkali-aggregate reaction, detecting measurement |
| 相關次數: | 點閱:10 下載:0 |
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研究結果顯示,高雄港區混凝土構造物之鹼質與粒料反應現象及潛勢相較於花東沿海地區為低。在相似溫濕環境及水泥含鹼量的情形下,其未有鹼質與粒料反應之原因應在於粒料反應活性較小及活性粒料含量較少。研究中所使用的各種檢測方法在一定範圍中皆有其適用性,惟基於鹼質與粒料反應的影響因素甚多,故混凝土構造物鹼質與粒料反應潛勢應視需要以多種方法加以檢測評估,無法僅以單一檢測方法判定。此外,以醋酸鈾螢光法搭配雙染色法,可檢測混凝土中是否有鹼質與粒料反應之反應產物存在,不僅迅速而且效果良好,實務上應可採用。
The test results show that the alkali-aggregate reaction and its potential of concrete structures in Kaohsiung Harbor District are lower than those of the coastal areas in Hualien and Taitung. The alkali-aggregate reaction depends on the reactivity and quantity of reactive aggregates for concrete structures on the similar environmental condition and alkali content of cement. All test measurements have somewhat their limits. Some measurements can only be applied within some definite ranges. The alkali—aggregate reaction was affected by many factors. So it is hard to tell the alkali-aggregate reaction of concrete structures using single measurement. In addition, Uranyl acetate fluorescence method and Dual staining method to investigate the reactive products of alkali-aggregate reaction are more beneficial than others and will be recommended to apply in practice.
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