查詢結果分析
來源資料
頁籤選單縮合
題 名 | 聚丙烯纖維混凝土應用在水中結構物之研究=Study on the Polypropylene Fiber Concrete for Submerged Structures |
---|---|
作 者 | 詹榮鑑; 楊紹洋; 陳獻; | 書刊名 | 農業工程學報 |
卷 期 | 54:4 2008.12[民97.12] |
頁 次 | 頁44-57 |
分類號 | 440.327 |
關鍵詞 | 生態混凝土; 聚丙烯棄邊絲; 爐石粉; 耐磨耗; Ecological concrete; Polypropylene fiber; PP fiber; Slag powder; Abrasion; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究針對廢棄物資材化再利用為題,將聚丙烯棄邊絲添加於混凝土中,探討混凝土組成材料耐磨的基本行為,以及應用在水中結構物之可行性。考慮試驗變數包括聚丙烯棄邊絲添加量、水灰比及材齡等,依據ACI 211.1規範設計混凝土配比,測試混凝土之力學性質和耐磨耗等。研究結果顯示,0.5~1%聚丙烯棄邊絲添加量可提高混凝土之抗壓、抗彎及劈裂等強度,且混凝土耐磨耗、抗衝擊及水中磨耗等性質隨聚丙烯棄邊絲添加量增加而增強。藉由微觀分析得知,掃描式電子顯微鏡(SEM)分析顯示,添加聚丙烯棄邊絲和爐石粉混凝土界面處的早齡期水化物以Ca(OH)₂較多,晚齡期則以C-S-H和C-A-H等較多。X光能譜儀分析(EDXA)顯示,混凝土主要元素為Ca和Si,次要元素為K和Fe。綜合以上試驗結果得知,混凝土中添加適量聚丙烯棄邊絲和爐石粉等,可提升混凝土之力學性質和耐磨性質,有利於應用在農田水利之水中結構物。 |
英文摘要 | The study is focusing on the reuse and resource cycling of the discarding garbage, and investigating the basic behaviors of the ecological concrete. The feasibility of the polypropylene fiber concrete applied on the submerged structures is also investigated. The factors fo the polypropylene (PP) fiber, water-to-cement ratio, and time period are considered as following test design. This study is based on the rule of material composition, and follows the specification of ACI211.1, then establishes the mixture design algorithm of the ecological concrete and can be referred to the engineering design. The cylinder made of ecological concrete is tested to obtain the properties of the engineering and abrasion. The research results indicate that the concrete added 0.5~1% PP fiber can be enhanced the engineering properties. In addition, the properties of the abrasion, pound, and attrition in water for the ecological concrete increase with PP fiber. The SEM analysis indicates that the hydrate of ecological concrete transition zone contains Ca(OH)₂ mainly at early period, however the hydrate contains C-S-H and C-A-H mainly at later period. The EDXA indicates that the main aggregate elements are Si and Ca and the minor aggregate elements are K and Fe. Concluding the test results of each item, the properties of ecological concrete added the slag powder and PP fiber behaves better that using cement as bonding material only. This ecological concrete can be utilized for the submerged structures on the irrigation and drainage engineering. |
本系統中英文摘要資訊取自各篇刊載內容。