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研究生： 楊喬宇
Chiao-Yu Yang
論文名稱： 探討哈耳電壓與水磁化變數之關係及其對水泥砂漿抗壓強度之影響
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： 92
語文別： 中文
論文頁數： 129
中文關鍵詞： 砂漿抗壓強度 、哈耳電壓 、磁化水
外文關鍵詞： Hall voltage, magnetic water, compressive strength of mortar
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    • 本研究主要區分為四個階段：第一階段探討水磁化變數對水泥砂漿抗壓強度之影響，第二階段探討哈耳電壓與水磁化變數的關係，第三階段為監測哈耳電壓，並探討水磁化變數對水泥砂漿抗壓強度之影響，第四階段為控制哈耳電壓，並探討哈耳電壓對水泥砂漿抗壓強度之影響。
    研究發現磁化水在0.8T之磁場強度中有較佳之成效，可提升水泥砂漿抗壓強度約10% ~ 20 %，0.8T以下磁場強度成效不佳，甚至有可能降低水泥砂漿抗壓強度。添加0.001N 濃度之電解質溶液在0.65T之磁場強度之下磁化就能具有提昇抗壓強度之效果，尤其有以氯化鈉和氫氧化鈣效果最佳。哈耳電壓能充分反應出磁化水磁化變數的改變，且趨勢與理論公式相符，哈耳電壓在30mV以上皆有良好成效。水質特性的量測上，表面張力低於58 dyne/cm 以下之磁化自來水，皆有良好之抗壓強度成效，高於58 dyne/cm以下之磁化自來水則無。

    There are four stages in this research: (1) We study the effect of magnetic water on compressive strength of mortar. (2) To observe the relationship between the Hall voltage and the magnetic water variables. (3) We study the effect of magnetic water variables on Hall voltage and compressive strength of mortar. (4) We study the effect of the compressive strength of mortar mixed with magnetic water at the same Hall voltage value.
    The compressive strength of mortar mixed with magnetic water of 0.8 T, which could increase 10 ~ 20% more than those mixed with tap water samples. However, when the magnetic strength was less than 0.8T, it could reduce the compressive strength of mortar. Therefor, we magnetize 0.001N sodium chloride solution and 0.001N calcium hydroxide solution, which could increase the compressive strength of mortar. The trend of Hall voltage on this experiment corresponded with Hall effect theory. When Hall voltage was above 30mV, the magnetic water increased the compressive strength of mortar. If the surface tension of magnetic water was below 58 dyne/cm, it could increase compressive strength of mortar. On the other hand, when the surface tension of magnetic water was above 58 dyne/cm, it was ineffective.

    目錄 中文摘要 英文摘要 第一章 緒論........1 1.1 研究源起與動機.....1 1.2 研究內容.............2 1.3 研究目的.............2 第二章 文獻回顧.....3 2.1 水的架構與性質...........3 2.1.1 純水的架構......................3 2.1.2 氫鍵......................4 2.1.3 水分子團簇的尺寸.............5 2.2 磁化水的原理.......................7 2.3 磁化水之磁性作用.............8 2.4 磁化水之電性作用..................9 2.4.1 勞倫茲力...........10 2.4.2 勞倫茲力與磁化水的關係.................................11 2.4.3 哈耳效應 ........................................13 2.4.4 哈耳效應與磁化水的關係......................................14 2.5 磁化設備.............................................16 2.5.1 管線材質的影響...............................................16 2.5.2 電極材質的影響..............................................18 2.5.3 磁化裝置的種類................................................19 2.5.3.1 磁鐵位置............................................19 2.5.3.2 水流與磁場夾角..............................................20 2.5.4.3 電磁鐵與永久磁鐵的差異...............................21 2.6 磁化水之成效...............................................22 2.6.1 抑制水垢........................................22 2.6.1.1 抑制水垢之成效........................................22 2.6.1.2 抑制水垢之機理........................................23 2.6.2 水質變化.....................................................25 2.6.3 磁化水對水泥混凝土之影響..................................27 2.6.3.1 台灣之研究現況..........................................27 2.6.3.2 大陸之使用現況........................................29 第三章 實驗規劃......................................31 3.1 實驗材料.................................................31 3.2 實驗設備...................................................34 3.3 實驗流程與方法....................................45 3.3.1 實驗流程...............................................45 3.3.1.1 第一階段....................................46 3.3.1.2 第二階段...................................49 3.3.1.3 第三階段...................................50 3.3.1.4 第四階段...........................................51 3.3.2實驗方法..........................................52 第四章 結果與分析...........................................54 4.1 第一階段..................................................54 4.1.1磁場強度與流量變化對砂漿抗壓強度之影響................54 4.1.2 磁場強度與長度變化對砂漿抗壓強度之影響................59 4.1.3 管線材質與水質對砂漿抗壓強度之影響........................64 4.2 第二階段................................................67 4.2.1 哈耳電壓與磁場強度之關係...................................67 4.2.2 哈耳電壓與流量之關係.........................................68 4.2.3 哈耳電壓與磁鐵組數之關係..................................69 4.2.4 哈耳電壓與水質之關係......................................70 4.2.5 哈耳電壓與磁場配置之關係....................................71 4.3 第三階段..................................................72 4.3.1 不同磁場強度與流量之哈耳電壓與抗壓強度的關係....72 4.3.1.1 磁場強度與流量對抗壓強度之影響.........................72 4.3.1.2 哈耳電壓與流量及抗壓強度之關係...................74 4.3.1.3 水質變化與哈耳電壓及抗壓強度之關係.................76 4.3.2 不同溶液之哈耳電壓與抗壓強度之關係....................84 4.3.2.1 使用0.01 N之電解質溶液................................. 84 4.3.2.2 使用0.001 N之電解質溶液..............................92 4.4 第四階段.............................................96 4.4.1 不同磁場強度和長度，控制相同哈耳電壓....................96 4.4.2 相吸磁組和相斥磁組之差異.................................103 4.5 綜合分析....106 第五章 結論與建議..............................................108 5.1 結論.....................................................108 5.2 建議..............................................110 參考文獻..……………………………………………………………..111 附錄……………………………………………………………………116

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