| 研究生: |
賴俊仰 Lai, Jiun-Yang |
|---|---|
| 論文名稱: |
多孔隙瀝青混凝土應用於高速公路的績效評估 Evaluation of Porous Asphalt Concrete Used in Highway Performance |
| 指導教授: |
蕭志銘
Shiau, Jih-Min |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2009 |
| 畢業學年度: | 97 |
| 語文別: | 中文 |
| 論文頁數: | 88 |
| 中文關鍵詞: | 排水性鋪面 、多孔隙瀝青混凝土 、IRI 、BPN |
| 外文關鍵詞: | Porous Asphalt Concrete (PAC), International Roughness Index (IRI), British Pendulum Number (BPN), Drainage paving |
| 相關次數: | 點閱:78 下載:4 |
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台灣地區屬於季風氣候,每年降雨的天數超過一百天,使用傳統密集配的道路於下雨天時行車容易產生水膜或水霧的現象,為了避免這種現象的產生,發展了排水性鋪面,本研究針對此類型路面進行現地試驗的績效評估。
本研究分為九個路段,現地試驗項目有五個,分別是現地透水試驗、現地車轍試驗、平坦度試驗、路面抗滑試驗以及環境噪音試驗,而試驗室所做的試驗只有輪跡試驗。利用這些試驗所收集的資料進行探討比較主要是針對通車前後路面的變化,使用不同瀝青材料於路面的差異,鋪築在橋面版或路堤段的差異性、試驗室輪跡試驗與現地車轍試驗的比較以及環境噪音於不同類型路面的差異。
由研究顯示,各個路段在材料使用方面只有在瀝青材料有差異,級配、瀝青含量以及孔隙率皆在規範值內差異不大。而橋面版與路堤段的比較,研究顯示沒有明顯的差異,所以針對鋪築不同瀝青材料進行各項的試驗結果顯示,於現地透水試驗的結果以及車轍試驗的結果顯示,使用高黏瀝青的路段透水能力比使用傳統瀝青AR-80好,車轍深度使用AR-80的路段比較高,高黏瀝青的路面抗車轍能力較佳。而平坦度以及路面抗滑的試驗結果顯示,平坦度皆符合要求,新工的路面以及通車一年後的IRI皆在範圍內,而抗滑能力BPN值也都在50以上,抗滑能力佳。環境噪音的數據方面,在傳統密集配道路以及剛性路面所收集的資料顯示,比多孔隙瀝青路面高達8dB之多,顯示多孔隙瀝青混凝土路面有減少噪音的效果。
Taiwan is a monsoon-climate country with annual rainfall of 100 days. This phenomenon makes the road which is made by traditional dense asphalt easily covered with water film or mists. In order to prevent this situation, a drainage pavement is developed.
There were nine pavement test sections with five major tests in this research. The five tests consist of field permeameter, rutting, roughness, skid resistance, and noise tests. Of the five tests, the wheel tracking test was conducted in the laboratory. These experiments aimed to collect data on the following issues: the road conditions before and after open to the traffic; the different paving on the bridge deck or road embankment; comparison between the in-lab wheel tracking and field rutting test; the noise level in different road types.
The research concluded that using various sections from various materials with different asphalts, gradations, asphalt contents and porosity values. In comparison between the bridge deck and the road embankment sections, the results showed no significant difference. For asphalt paving materials, the field permeameter test and rutting test results revealed that using of high-viscosity asphalt had better performance on permeability. High-viscosity asphalt had better rutting resistance than using AR-80. After one-year traffic, the International Roughness Index (IRI) of the road surface was still within the required standard, and the skid resistance ability was also in good condition of which above 50 BPN. The results of environmental noise in dense asphalt pavement and rigid pavement were more than porous asphalt pavement by as much as up to 8 dB, showing porous asphalt concrete pavement was effective to reduce noise.
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