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頁籤選單縮合
題名 | 高溫對飛灰水泥漿性質之影響=Effect of the Elevated Temperature on the Properties of Fly Ash Paste |
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作 者 | 王和源; 黃兆龍; | 書刊名 | 材料科學 |
卷期 | 29:3 1997.09[民86.09] |
頁次 | 頁167-176 |
分類號 | 440.325 |
關鍵詞 | 高溫; 飛灰水泥漿; 燒失量; Elevated temperature; Cement paste with the addition of fly ash; Loss on ignition; |
語文 | 中文(Chinese) |
中文摘要 | 本研究探討飛灰添加於水泥漿中,在不同工作度下,以符合高、中、低強度之 三種水膠比調配成水泥漿,養護於室溫及五階段高溫條件下,探討高溫對飛灰水泥漿工程性 質之影響。研究結果顯示隨著水膠比的增大,溫度愈高,則燒失量越大,抗壓強度越低。養 護溫度在 440 ℃以上,則飛灰含量越高,其抗壓強度、彈性模數越大。顯示高溫對飛灰添 加之水泥漿劣化影響較一般水泥漿小。研究結果有助於飛灰資源化及高溫下飛灰混凝土特性 之瞭解。 |
英文摘要 | This research is to study the influence of the elevated temperature on the cement paste with the addition of fly ash. Under different workabilies, the cement paste was prepared with three designed strengthes (low, medium and high strength) and cured at several elevated temperatures. The research result shows that while the W/B increases, the higher the temperature is, the more the loss on ignition and the lower the compression strength will be. At temperature up to 440 ℃, the more the fly ash cont nt is, the better the compressive strength and the elastic modulus will be. It indicates the deteriorating effect of the elevated temperature to the cement paste with the addition of fly ash is less significant than the normal cement paste. And hence, fly ash is helpful to concrete under high temperature. |
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