研究生: |
李慧娟 Hui-Chuan Lee |
---|---|
論文名稱: |
黃氏富勒緻密配比設計法應用於聚丙烯纖維混凝土性能研究 The Performance of Polypropylene Fiber Reinforced Concrete by Using Hwang-Fuller’s Densified Mixture Design Algorithm |
指導教授: |
黃兆龍
Chao-Lung Hwang |
口試委員: |
李隆盛
none 楊錦懷 none |
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: | 2007 |
畢業學年度: | 95 |
語文別: | 中文 |
論文頁數: | 238 |
中文關鍵詞: | 黃氏富勒緻密配比設計法 、聚丙烯纖維 、漿量厚度 、衝擊 、高強度 、高流動性 、耐久性 |
外文關鍵詞: | Hwang Fuller’s Densified Mixture Design Algorit, Polypropylene Fiber, coating thickness, impact resistance, high strength, high flowability, durability |
相關次數: | 點閱:568 下載:5 |
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本研究以「黃氏富勒緻密配比設計法」進行聚丙烯纖維混凝土配比設計及其性能研究。配比設計採不同水膠比(W/B=0.20、0.25、0.30和0.35)、漿量厚度(t=5、15和25μm)、PP纖維含量(0、0.5、1和1.5%)以及纖維種類(未添加纖維、添加PP纖維、添加PP纖維與鋼纖維混合和添加鋼纖維),觀察纖維混凝土新拌、硬固、耐久性質及微觀結構之表現。研究結果顯示,黃氏富勒緻密配比設計之纖維混凝土,各項性質之結果均較ACI配比設計為佳;硬固性質方面,添加聚丙烯纖維之配比組與未添加纖維之配比組相較下,結果顯示抗壓強度略為降低3~5%,但劈裂強度提升11~16%,乾縮量減少10~30%,混凝土之抗衝擊性、韌性提升效果佳。在耐久性質方面,PP纖維之添加可使表面電阻增加32%,對耐久性質有正面助益。
This research mainly focuses on the study of the performance of polypropylene (PP) fiber reinforced concrete by using Hwang-Fuller’s Densified Mixture Design Algorithm (HFDMDA). The research parameters including water-to-binder ratio (W/B = 0.20, 0.25, 0.30, 0.35), coating thickness (t = 5, 15, 25 μm), PP fiber content (0%, 0.5%, 1%, 1.5%) and types of fiber (no adding the fiber, PP fiber, steel fiber, and the hybrid of PP fiber and steel fiber), and then the effects of all these parameters on the fresh and hardened properties, durability, and microstructure performances are evaluated. The results show that by using HFDMDA the property, whatever fresh or hardened, of such concrete is better than that by using ACI mix design. The addition of PP fiber tends to reduce the compressive strength by 3~5%, increase the splitting tensile strength by 11~16%, decrease the drying shrinkage by 10~30%, improve impact resistance and toughness as compared with the specimen without addition PP fiber as well as increase the electrical resistivity by 32%.
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