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碩士論文公告區 |
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| 年度： | 96 | |
| 姓名： | 李坤龍(Kun-Long Lee) | |
| 論文題目(中)： | 活性粉混凝土製作水溝蓋之研究(2) | |
| 論文題目(英)： | Study of Making the Ditch Cover with Reactive Powder Concrete (2) | |
| 摘要(中)： | ||
| 本研究針對一般水溝蓋之缺點(包括重量、單價及載重方面)作進一步的改善，以鋼纖維含量(2.5%、3%、3.5%)與不同規格的鋼纖維(直徑0.20mm與直徑0.25mm)為變數，主要探討活性粉混凝土水溝蓋在最經濟與高承載重、凍融循環耐久、自由墜落與利用有限元素分析軟體– ANSYS，進行水溝蓋受載重承壓的模擬，並探討水溝蓋受載重後之破壞情況。 藉由實驗的過程尋找足夠承受車輛重量之水溝蓋，若以車輛載重平均分配至各輪胎為載重標準，本研究所預期的水溝蓋載重為10噸，並與市面上的FRP玻璃纖維水溝蓋做比較，經過試驗結果顯示活性粉混凝土水溝蓋鋼纖維含量2.5%已有達到預期，且經自由墜落之試體正面完好如初，背面有數條裂縫，後再經載重試驗其載重可高達10噸以上與經凍融循環後試體之抵抗載重有明顯的增加，因此試驗結果已找出適當配比之活性粉混凝土，適合運用製作水溝蓋的材料。希望藉由本研究之各項試驗結果，在未來能提供RPC水溝蓋之參考。 |
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| 摘要(英)： | ||
| To improve the common shortcoming of the ditch cover, including weight, unit price, and loading capacity, we try to change the steel fiber volume content (2.5% , 3%, and 3.5%), with the different specification of steel fiber (0.20mm and 0.25mm in diameter). The study mainly discusses the reactive powder concrete (RPC) in economical viewpoint, high loading capacity, freeze-thaw cycles tolerance, and free-falling test, and simulates the destruction of the steel fiber with high loading by ANSYS analysis. By numerous experiments we find the ditch cover with capable of bearing vehicle weight. It assumes that the loading capacity of a ditch cover is 10 tons if the vehicle weight is distributed equally among all tires. Compared with the ditch cover with FRP glass fiber sold in the market, the experimental result shows the RPC ditch cover containing 2.5% steel fiber content is reached the predetermined effect, and remains good condition on the front view after the free-falling test. After freeze-thaw cycles the loading capacity of the RPC ditch cover has evidently enhancement, besides bearing at least 10 tons after the loading capacity test. As a result, an appropriate ratio of RPC applied in the material of ditch cover has been obtained, the above study would provide a reference manufacturing for the RPC ditch covers. |
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| 檔案： | 沒有相關檔案 | |
| 相關連結： | http://ethesys.lib.cyut.edu.tw/ETD-db/ETD-search-c/view_etd?URN=etd-0821108-110548 | |