伊利土與高嶺土電動化學灌漿比較之研究｜國立臺灣科技大學博碩士論文系統

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研究生：	羅貫中 Kuan-Jhong Luo
論文名稱：	伊利土與高嶺土電動化學灌漿比較之研究 A Study of the comparison of Electrokinetic chemical treatment of Kaolinite and Illite
指導教授：	歐章煜 Chang-Yu Ou
口試委員:	簡紹琦 Shao-Chi Chien 鄧福宸 Fu-chen Teng 歐章煜 Chang-Yu Ou
學位類別：	碩士 Master
系所名稱：	工程學院 - 營建工程系 Department of Civil and Construction Engineering
論文出版年：	2018
畢業學年度：	106
語文別：	中文
論文頁數：	120
中文關鍵詞：	電動化學灌漿、伊利土、高嶺土
外文關鍵詞：	Electrokinetic chemical treatment, Illite, Kaolinite
相關次數：	點閱：130 下載：5
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電滲透化學灌漿試驗運用在高嶺土已能得到一良好之圓錐灌入改良強度，但其應用於台北黏土方面成效仍有限。本研究乃先從台北黏土中含量最多的伊利土進行研究，並藉由伊利土與高嶺土在電滲透化學灌漿下之行為互相比較，探討伊利土之電滲透化學灌漿行為。實驗共分為四種面向 (1) 基礎伊利土電滲透化學灌漿行為之探討； (2) 不同灌漿順序之比較；(3) 適宜之灌漿時間及濃度； (4)無灌入膠結材之基本電滲強度。研究發現，伊利土由於陽離子交換能力較高嶺土為大，故電滲透過程中十分難以使得漿液順利灌入，縱然最後使用提高初始pH值及改變灌入順序，並搭配長時數之灌漿流程，最終只能使得正極處 (NA)、遠離正極處 (FA) 擁有高CPT強度，但是位於土體其餘部分卻仍然無法提高其改良強度。欲提高伊利土之改良效率可從各種化學溶液對於伊利土之行為作基礎研究，亦可從此次試驗之灌漿順序為基礎做後續最佳灌漿量之研究。

Recent researches indicate that electroosmotic treatment can effectively improve the cone penetration strength of kaolinite soil, but not Taipei silty clay. Taipei silty clay was consist of high content of illite soil. The objective of this study is thus to investigate the efficacy of electroosmotic chemical injection between illite soil and kaolinite. Four phases in electroosmotic test were investigated: (1). Basic electroosmotic chemical treatment for Illite soil, (2). Different sequences for injecting chemical solutions, (3). Determined a suitable treatment time and concentration of chemical solutions, (4). Injected without chemical solutions. Results show that the electroosmotic treatment could not efficiently improve the cone penetration strength of illite soil compared to kaolinite soil. The reason for this phenomenon was due to high cation exchange capability (C.E.C.) value. Increasing the pH value of initial soil condition also could not increase the performance of the electroosmotic treatment. A limit improvement area could be observed in the areas near anode (NA) and far away from anode (FA) when sodium silicate was injected before CaCl2. Furthermore, to enhance the efficacy of electroomosis on illte soil the basic mechanism of each chemical solution needs to be studied. Investigate various injection sequences that can increase the efficacy of injection of chemical solutions.

目錄
中文摘要    II
Abstract    III
致謝    IV
目錄    V
圖目錄    VIII
表目錄    XII
第一章    緒論    13
1.1    研究動機與目的    13
1.2    研究方法    14
1.3    論文內容    14
第二章    文獻回顧    15
2.1    前言    15
2.2    電動原理 (Electrokinetic theory)    15
2.2.1    電滲透現象 (Electroosmosis)    15
2.2.2    電子遷移現象 (Electromigration)    16
2.3    電化學灌漿效應 (Electrochemical Effects)    16
2.3.1    電解效應 (Electrolysis Effect)    16
2.3.2    陽離子交換反應 (Cation Exchange Reaction)    17
2.4    利用鈣離子進行土壤改良    18
2.5    利用水玻璃溶液進行土壤改良    21
2.6    使用不同化學漿液搭配進行ECT試驗    23
2.6.1    灌入水玻璃前先行灌入氯化鈣    23
2.6.2    灌入水玻璃前先行灌入氫氧化鉀溶液    28
2.7    電滲透係數 (Electro-osmosis permeability)    32
2.8    綜合討論    42
第三章    試驗設備、規畫與流程    43
3.1    實驗計畫說明    43
3.2    電滲透化學灌漿試驗    49
3.2.1    灌漿模主體設備    49
3.2.2    加壓設備    51
3.2.3    電源供應器    52
3.2.4    即時監測計讀系統    52
3.2.5    室內圓錐貫入儀 (CPT)    54
3.2.6    電子式pH測量計    57
3.2.7    灌漿瓶設備    57
3.2.8    白金電極鈑    58
3.2.9    去離子水    59
3.2.10    試驗材料    59
3.2.11    灌入之化學溶液    60
3.2.12    試驗流程    62
3.3    檢測項目及說明    65
3.3.1    室內圓錐貫入試驗    65
3.3.2    含水量試驗    66
3.3.3    pH值量測    66
3.3.4    感應耦合電漿原子放射光譜儀 (ICP-AES)    67
第四章、試驗結果與討論    69
4.1    前言    69
4.2    烘乾台北黏土電滲化學灌漿試驗結果    69
4.3    伊利土之基本電滲透性質試驗    73
4.4    先行灌入氫氧化鉀試驗結果    77
4.4.1    不同濃度之氫氧化鉀試驗    77
4.4.2    不同灌入順序之比較    82
4.4.3    最佳氫氧化鉀灌入時間試驗    84
4.5    先灌入氯化鈣後續灌入水玻璃之試驗結果    90
4.6    先灌入水玻璃後續灌入氯化鈣之試驗結果    94
4.7    無使用膠結材灌漿之強度    102
第五章    結論與建議    111
5.1    結論    111
5.2    建議    113
參考文獻    114
附錄A    117
各組試驗pH值數據表    117
附錄B    118
各組試驗含水量數據表(%)    118
附錄C    119
ICP試驗資料(%)    119
附錄D    120
試驗灌入漿液量(mL)    120


                                

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