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題 名 | 應用判別分析區分水質對灌溉與排水渠道腐蝕之影響=Application of Discriminate Analysis to Classify Effect of Corrosion on Irrigation and Drainage Channel Caused by Water Quality |
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作 者 | 張文亮; | 書刊名 | 農業工程學報 |
卷 期 | 43:4 1997.12[民86.12] |
頁 次 | 頁47-54 |
分類號 | 434.2571 |
關鍵詞 | 判別分析; 腐蝕; 水質; Discriminate analysis; Corrosion; Water quality; |
語 文 | 中文(Chinese) |
中文摘要 | 根據兩年的田間實驗,九處埋放在彰化伸港地區灌排圳路內的鋼筋拉力,與混凝 土柱之衝擊力的負荷,發現有海水影響的地區,鋼筋與混凝土的腐蝕速率比起對照組,最 大可增加 2.2 倍與 3.97 倍。 在有豬糞尿影響區域, 鋼筋與混凝土的腐蝕速率則最大可增 加 2.90 倍與 4.3 倍。 經過判別分析可知海水的影響最顯著因子為氯鹽,豬糞尿污染的因 子為硫化氫。 這兩個化學因子對於鋼筋與混凝土的腐蝕都有加速的影響 o 判別分析的結果 用在高雄後勁與鳳山溪內面工的強度,發現內面工的強度與水質的關係不大,主要是受內面 工級配、維護及建造年代不同所影響。 |
英文摘要 | Based on concrete impact loading and steel wire tension experiment in field at Sin -Kaunirrigation and drainage channel, tide may produce corrosion and reduce steel and concrete strength about 2.2 and 3.97 times after two years. Irrigation water polluted by swine caused corrosive rate increasing by 2.9and 4.3 times on steel and concrete. After statistical analysis by discriminate method, we found that the most significant factor cause corrosion by times and animal waste (effect) is chloride and hydrogen sulfide. After applying discriminate function to concrete lining strength at How-Shin and Fan-Sang stream in Kauo-Shong area, we found that lining strength was not correlated with water quality, but was mainly effected by engineering construction and maintenance. |
本系統中英文摘要資訊取自各篇刊載內容。