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LABORATORY INVESTIGATIONS ON STABILIZED RECLAIMED ASPHALT PAVEMENT (RAP) MATERIAL
| 题名： | LABORATORY INVESTIGATIONS ON STABILIZED RECLAIMED ASPHALT PAVEMENT (RAP) MATERIAL |
| 其他题名： | 1.Anouksak Thammavong and Prof.Dr.Direk Lavansiri."Cement Stabilization of Reclaimed Asphalt Pavement Aggregate for Base Layer",Technology and Innovation for Sustainable Development Conference,Thailand,January 2006. |
| 正文语种： | 英文 |
| 作者： | Ayyanna Habal |
| 关键词： | material；exploitation；ecological；characteristics；environmental；velocity；claim；evaluation；diameter；structure |
| 摘要： | Every year Hot Mix Asphalt (HMA) roadways are rehabilitated by milling the existing roadway and replacing the milled portion with new HMA. As a result, a tremendous amount of Reclaimed Asphalt Pavement (RAP) is created and also large amount of good quality aggregates are required to construct new pavement by conventional method. This leads to the exploitation of mother earth causing ecological imbalance, scarcity of new materials, natural resource depletion and many environmental issues. The RAP material can be reused by stabilization with cementing material is a good option to obtain a stiff pavement base course structure with better load dispersing characteristics. The utilization of RAP material in road bases and sub-bases has been limited because there is lack of laboratory and field performance data. Hence in the present study an attempt is made to characterize the RAP material stabilized with cementitious stabilizer for road bases by conducting various laboratory investigations. This paper consist laboratory evaluation of stabilized reclaimed asphalt pavement material. Cylindrical specimens of 100 mm diameter and 200 mm height are prepared by RAP material blended with virgin aggregate and 4, 5, and 6％ stabilizer dosages cured for 3, 7, 14, 28, 56 and 90 days curing period and Unconfined Compressive Strength (UCS), Durability, and Ultrasonic Pulse Velocity (UPV) tests are conducted. From the laboratory studies it was observed that the stabilization of RAP with RBI Grade-81 increases the strength and durability with increase in dosage of stabilizer and curing period. |
| 出版年： | 2015 |
| 论文唯一标识： | I-75Y2015V43N07002 |
| 英文栏目名称： | Technical Papers |
| 期刊名称： | Indian Highways |
| 拼音刊名(出版物代码)： | I-75 |
| 卷： | 43 |
| 期： | 07 |
| 页码： | 5-10 |
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