頁籤選單縮合
題 名 | 臺灣地區紅磚基本性質與白華現象之探討=The Research of the Relationship between Red Brick Characteristic and Efflorescence |
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作 者 | 金鵬; 許桂銘; 呂明儀; | 書刊名 | 高苑學報 |
卷 期 | 6:1 1997.02[民86.02] |
頁 次 | 頁225-233 |
分類號 | 441.411 |
關鍵詞 | 紅磚; 白華現象; 起始吸水速率; Red brick; Efflorescence; Initial rate of absorption; IRA; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係於臺灣各地區,隨機取樣紅磚樣本進行各種基本性質及白華試驗(包括 ASTM C67 法與模擬自然白華試驗法 ) 並探求其關連性。由其結果顯示紅磚縱波速度與抗壓 強度呈正相關;24 小時浸水吸水率、5 小時沸水吸水率及 IRA 皆與比重呈負相關。而白華 發生時間與紅磚之孔隙率,24 小時浸水吸水率、5 小時沸水吸水率、IRA 及 5 小時沸水重 量損失率亦呈負相關,但與抗壓強度、縱波速度及飽和係數關係不顯著。另外,藉著 60 天 模擬自然白華試驗與 ASTM C67 白華試驗法比較發現後者耗時過久 (八天 ),且誤判率高, 在臺灣地區適用上有其疑慮且不易推廣。本文建議利用五小時沸水損失率及一分鐘起始吸水 率 (IRA) 做為判定白華產生與否之快速檢驗參數,尤其二者同時使用誤判率極低, 可達到 由材料方面防制白華之目的。 |
英文摘要 | The research sampled the red bricks brick factory in Taiwan at random for characters and effloresscence test (including ASTM C67 method and Imitating natural efflorescence test) and the associated. The result revealed that the velocity of the red brick and the compression strength is positivs association; 24 hours absorption 5 hours boiling absorption and IRA is negative with gravity. Besides, the timing of development of efflorescence is negative associated with pority ratio, 24 hours absorption, 5 hours boiling absorption, IRA and Losity ratio of 5 hours boiling. But is not obviously related compression pluse wave velocity and saturation coefficient. Besides, in comparison to the Imitating natural efflorescence test for sixty days and ASTM C67 method, the latter need more time (eight days) and the mistake ratio is high in the latter. So, the application in Taiwan is apprehensive and is not easy to propagate. Therefore, we suggest losity ratio of 5 hours boiling and IRA for the rapid testing parameter in efflorescence production. Particularly, the mistake ratio is very low by using both method simultaneously, so it is thoroughly to prevent efflorescence of bricks on materials. |
本系統中英文摘要資訊取自各篇刊載內容。