臺灣博碩士論文加值系統

摘要
本研究主要探討使用滲透塗封劑(penetrating sealer, PS)對混凝土表層孔隙結構，力學性質及耐久性的影響。不同水灰比（w/c=0.35，0.45， 0.55）的混凝土試體，分別用PS以不同噴塗齡期及不同劑量進行表面處理。利用抗壓強度試驗及彈性模數試驗評估PS對混凝土力學性質的影響及利用氯離子快速滲透試驗及四極式電阻試驗探討PS對混凝土耐久性的影響。
試驗結果顯示噴塗PS對水泥基混凝土的力學性質及耐久性皆有正面的影響。利用SEM微觀觀測及EDS分析PS的滲透深度可達2cm，本研究試驗探討的滲透性塗封劑可分類為深層滲透塗封劑（Deep penetrating sealer， DPS）。
關鍵詞：滲透塗封劑，DPS，混凝土，氯離子

Abstract
The effect of penetrating sealer (PS) on the structure of surface pore, mechanical properties, and durability of concrete was studied. Concrete specimens with various water/cement ratios (w/c=0.35, 0.45, 0.55) were cast and treated surfaced with various amounts of PS at different ages, The effect of PS on the mechanical properties of concrete was assessed by compressive strength and elastic modulus. And, the rapid chloride permeability and concrete resistivity were also explored to test concrete durability.
Test results indicate that the application of PS significantly improves concrete compressive strength and durability. By using SEM observation and EDS analysis, the penetrating depth of PS can be determined and is about 2 cm. The PS in this study may be categorized as deep penetrating sealer.
Keywords: penetrating sealer, DPS, concrete, chloride ions

目錄
中文摘要 Ⅰ
英文摘要 Ⅱ
目錄 Ⅲ
圖目錄 Ⅴ
表目錄 Ⅸ
第一章 緒論…………………………………………………………1
1-1 前言………………………………………………………… 1
1-2 研究目的與方法…………………………………………...2
第二章文獻回顧…………………………………………………….4
2-1混凝土孔隙結構……………………………………………. 4
2-2影響混凝土耐久性因子…………………………………… 5
2-3 混凝土表面保護材料之反應機理………………………..8
2-4 氯離子快速滲透試驗……………………………………16
2-5混凝土電阻……………………………………………….18
第三章 試驗計畫…………………….…………………………… 20
3-1 試驗變數………………………………………………… 20
3-2 試驗材料及配比設計…………………………………… 21
3-3 試驗設計………………………………………………… 25
3-4 試驗方法………………………………………………… 31
第四章 結果與討論…………………………..……………………42
4-1 PS成份分析及晶相………………………………………42
4-2 PS滲透深度………………………………………………46
4-3 XRD化合物分析…………………………………………56
4-4 DPS對混凝土抗壓強度之影響………………………….58
4-5 DPS對混凝土彈性模數之影響…………………………... 67
4-6 DPS對混凝土RCPT試驗累積電量之影響…………….76
4-7電阻率(kΩ-㎝)…………………………………………….92
第五章 結論與建議…………………….………………………….96
5-1結論………………………………………………………..96
5-2建議………………………………………………………..98
參考文獻………………………………………………….…………99
誌謝……………………………………………………….……….104

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