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題 名 | 以同步輻射解析高性能混凝土漿體水化性質之研究=A Study on the Hydration Properties of High Performance Concrete Analyzed by Synchrotron Radiation |
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作 者 | 張炳坤; 黃兆龍; 蔡宗勳; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 11:2 1999.06[民88.06] |
頁 次 | 頁411-417 |
分類號 | 441.555 |
關鍵詞 | 同步輻射; 高性能混凝土; 水膠比; 水化性質; Synchrotron radiation; High performance concrete; Water to binder ratio; Hydration properties; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究採用同步輻射(SRA)解析高性能混凝土漿體水化性質。SRA最大優點即所測 定試體毋需經過試片抽真空、乾燥及鍍金處理等麻煩手續,亦即試體完全在自然狀態下,對 其實施全程水化監測與化學成份鑑定。依據研究結果顯示,水膠比減少,則CH、AFm形成比 率將同時減少,若增加飛灰用量,將消耗CH的量,且隨齡期的增加,這種趨勢愈明顯,因此 鑑定上並不困難,不但可以定性,更能定量分析出鈣釩石(AFt),單硫型鋁酸鈣(AFm)及氫氧 化鈣(CH)等晶體結構。 |
英文摘要 | The synchrotron radiation accelerator (SRA) was applied to analyzing the hydration properties of high performance concrete in this study. The main advantage of employing the SRA is that such complicated procedures as making vacuum, drying and sputter coating are unnecessary for preparing the test specimens. Namely, the specimens prepared under normal conditions were used to monitor their hydration process and to analyze their chemical ingredients. The results show that as the water to binder ratio decreases, the formation rates of CH and Monosulfoaluminate (AFm) will also decrease. Also, if the content of fly ash is higher, then the formation rate of CH will become lower, especially when the age increases. In short, it is not difficult to apply the SRA to analyzing both qualitatively and quantitatively the structures of Ettringite (AFt), AFm, and CH. |
本系統中英文摘要資訊取自各篇刊載內容。