近年來因廢棄物汙染地球環境問題嚴重，且隨著環保意識抬頭，世界各國正積極面對廢棄物之處理方法，若能將廢棄物適當的加工回收再利用，並可符合資源永續循環之目標，不僅可有效減少廢棄物生成，更能避免廢棄物拋棄問題造成嚴重環境汙染，通過將廢棄物添加至水泥砂漿內，更能有效達到廢棄物再利用之經濟目標。本研究採用不同額外添加(AM)廢棄纖維材料0%、1%、2%、3%、4%，選用不同水灰比(W/C) 0.4、0.5、0.6，製成水泥砂漿並探討水泥砂漿性質之影響因素，評估添加廢棄PE材料添加於水泥砂漿之可行性。
研究結果顯示，添加廢棄PE纖維材料於水泥砂漿中，會使砂漿流度與坍度有下降之趨勢，使工作性降低；力學性質隨廢棄PE纖維材料添加量增加與水膠比增加而有降低之趨勢。而在齡期56及91天時，水灰比0.4超音波波速皆達到4500m/s以上與電阻值皆大於20 kΩ-cm，顯示添加廢棄PE纖維材料於水泥砂漿中能使試體有良好的緻密程度，試體有較佳耐久性，證明適當添加廢棄PE纖維材料於水泥砂漿中，能有效達到綠色資源再利用，及達到節能減碳之目標。

In recent years, waste has been polluting the earth's environment, and with the rise of environmental protection awareness, countries around the world are actively dealing with waste treatment methods. If waste can be properly processed and recycled in line with the goal of sustainable recycling of resources, not only can waste generation be effectively reduced, but serious environmental pollution caused by waste disposal can also be avoided. By adding waste into cement mortar, the economic goal of waste reuse can be achieved more effectively. In this study, the feasibility of adding waste PE materials to cement mortar was evaluated by using different additions (AM) of 0%, 1%, 2%, 3%, and 4% of waste fibre materials and different water/cement ratios (W/C) of 0.4, 0.5, and 0.6 to make cement mortar and investigating the factors affecting the properties of the cement mortar.
The results of the study showed that the addition of waste PE fibre material to the cement mortar tended to decrease the flow and slump of the mortar and reduce the workability; the mechanical properties tended to decrease with the increase in the amount of waste PE fibre material added and the increase in the water-to-mastic ratio. At the ages of 56 and 91 days, the ultrasonic wave speed for the cement mortar with a water-cement ratio of 0.4 reached more than 4500 m/s, and the electrical resistance value was greater than 20 kΩ-cm, which showed that the addition of waste PE fibre material in cement mortar could make the test body have a good degree of compactness and better durability, proving that the appropriate addition of waste PE fibre material in cement mortar could effectively achieve the reuse of green resources and the goal of energy savings and carbon reduction. This proves that adding appropriate PE fibre material to cement mortar can effectively achieve the goal of green resource reuse and carbon reduction.

摘要 i
ABSTRACT ii
誌 謝 iv
目錄 v
表目錄 viii
圖目錄 x
符號說明 xii
第一章 緒論 1
1-1 研究動機 1
1-2 研究目的 1
1-3 研究內容 2
1-4 研究流程 2
第二章 文獻回顧 4
2-1 纖維混凝土 4
2-1-1 纖維應用於混凝土 4
2-1-2 纖維混凝土之特性 4
2-1-3 影響纖維混凝土之因素 6
2-1-4 纖維之各項參數 7
2-2 波特蘭水泥 10
2-3-1 水泥製程與基本性質 10
2-3-2 水泥水化反應 11
第三章 試驗計畫 20
3-1 試驗材料 20
3-2 試驗變數 21
3-3 試驗項目及設備 22
3-3-1新拌性質 22
3-3-2硬固性質 22
3-3-3耐久性質 25
3-3-4微觀分析 26
第四章 結果與分析 32
4-1 新拌性質 32
4-1-1 坍度 32
4-1-2 流度 33
4-2 硬固性質 34
4-2-1 抗壓強度 35
4-2-2 抗彎強度 38
4-2-3 抗拉強度 40
4-2-4 超音波波速 43
4-2-5吸水率試驗 45
4-3 耐久性質 46
4-3-1四極式電阻 47
4-3-2 耐硫酸鹽侵蝕 48
4-4 微觀分析 50
4-4-1 SEM分析 50
4-4-2 EDS分析 51
4-4-3 FTIR分析 51
第五章 結論與建議 74
5-1 結論 74
5-2 建議 75
參考文獻 76
個人簡歷 79

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