| 研究生: |
馬琛馳 Ma, Sam-Chi |
|---|---|
| 論文名稱: |
再生劑添加於回收料之瀝青混凝土工程性質 Engineering Properties of Recycled Asphalt Concrete Mixed with Rejuvenators |
| 指導教授: |
陳建旭
Chen, Jian-Shiuh |
| 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: | 2014 |
| 畢業學年度: | 102 |
| 語文別: | 中文 |
| 論文頁數: | 107 |
| 中文關鍵詞: | 回收瀝青混凝土 、再生劑 、過多瀝青現象 |
| 外文關鍵詞: | Recycled Asphalt Pavement(RAP), Negative Asphalt Content |
| 相關次數: | 點閱:95 下載:3 |
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回收瀝青混凝土(RAP)具有經濟價值和減少資源浪費之意義,本研究採用拌和場之回收瀝青混凝土作為研究材料,為RAP10 (回收瀝青60℃黏度約為100,000 poise),再生劑為一種RA5和四種RA75分別為RA75H、RA75AH、RA75B和RA75C,並選擇添加PEN60/70(60℃黏度約為2,000 poise)新鮮瀝青之密級配瀝青混凝土作為對照組。以RAP添加含量40%之回收料添加再生劑,將目標黏度設定為2000±400 poise,再將瀝青混凝土回收料添加入PEN60/70基底瀝青與新鮮粒料中拌和,形成再生瀝青混凝土(RAC)。評估添加不同種類的再生劑對RAC之影響,進行穩定值、流度值、間接張力、回彈模數試驗、殘餘強度試驗、車轍輪跡試驗,最後將萃取RAC之瀝青進行黏度試驗,探討黏結料之物理性質。
在配合設計流程上因再生劑用量視為瀝青含油量之一部分,在RAP添加比例或老化瀝青回收量較高時,使用再生劑會出現過多瀝青現象,可能形成冒油。另外,由再生劑和新鮮瀝青混拌的低黏瀝青黏度是需要注意的,可能會影響低黏瀝青與老化瀝青的相容性。
Reclaimed Asphalt Pavement (RAP) has economic value and reduce waste of resources. In this study, using recycled asphalt concrete mixing field as a research material, as RAP10 (recycled asphalt viscosity is about 100,000 poise of 60℃), Rejuvenators as a RA5 and four kinds of RA75 were RA75H, RA75AH, RA75B and RA75C, and select add PEN60/70 (60℃ viscosity is about 2,000 poise) fresh asphalt dense graded asphalt concrete as a control group. Add rejuvenators at RAP content 40% recycled material, The target viscosity is set to 2000 ± 400 poise, then add PEN60/70 asphalt and fresh aggregate mixing to recycled asphalt concrete, formed recycled asphalt concrete (RAC). Assessing the impact of different types of rejuvenators added to the RAC, carry on stable value, flow value, indirect tension, resilient modulus test, residual strength test, wheel tracking test. Finally, extraction the bitumen of RAC carry on viscosity test, explore the physical properties of the binder.
Content of rejuvenators considered as a part of the oil content of the asphalt at the mixture design, when the addition ratio of RAP or aging asphalt recovery amount were high, use of rejuvenators will appear negative asphalt content, may form bleeding. In addition, the low viscosity which mixing rejuvenators and fresh asphalt is important to note, May affect low viscosity asphalt and the aging bitumen compatibility.
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校內:2019-07-22公開